Merge pull request #734 from chef/lcg/chefstyle

chefstyle catchup for ohai

264 files changed, 3353 insertions, 3429 deletions

diff --git a/Gemfile b/Gemfile
index d2b8c2a8..43d513e7 100644
--- a/Gemfile
+++ b/Gemfile
@@ -6,7 +6,7 @@ group :development do
   gem "chef", github: "chef/chef", branch: "master"
 
   gem "sigar", :platform => "ruby"
-  gem 'plist'
+  gem "plist"
 
   gem "chefstyle", "= 0.1.0"
   # gem 'pry-byebug'
diff --git a/Rakefile b/Rakefile
index 6be0c8eb..980e3135 100644
--- a/Rakefile
+++ b/Rakefile
@@ -1,12 +1,12 @@
 require "bundler/gem_tasks"
-require 'date'
-require 'ohai/version'
+require "date"
+require "ohai/version"
 
 begin
-  require 'rspec/core/rake_task'
+  require "rspec/core/rake_task"
 
   RSpec::Core::RakeTask.new do |t|
-    t.pattern = 'spec/**/*_spec.rb'
+    t.pattern = "spec/**/*_spec.rb"
   end
 rescue LoadError
   desc "rspec is not installed, this task is disabled"
diff --git a/bin/ohai b/bin/ohai
index d6ec07da..4bc6b066 100755
--- a/bin/ohai
+++ b/bin/ohai
@@ -19,9 +19,8 @@
 # limitations under the License.
 #
 
-
 begin
-  require 'rubygems'
+  require "rubygems"
 rescue LoadError
   # must be debian! ;)
   missing_rubygems = true
@@ -29,8 +28,8 @@ end
 begin
   # if we're in a source code checkout, we want to run the code from that.
   # have to do this *after* rubygems is loaded.
-  $:.unshift File.expand_path('../../lib', __FILE__)
-  require 'ohai/application'
+  $:.unshift File.expand_path("../../lib", __FILE__)
+  require "ohai/application"
 rescue LoadError
   if missing_rubygems
     STDERR.puts "rubygems previously failed to load - is it installed?"
diff --git a/lib/ohai.rb b/lib/ohai.rb
index bf31dcc6..83724d97 100644
--- a/lib/ohai.rb
+++ b/lib/ohai.rb
@@ -16,7 +16,7 @@
 # limitations under the License.
 #
 
-require 'ohai/version'
-require 'ohai/config'
-require 'ohai/system'
-require 'ohai/exception'
+require "ohai/version"
+require "ohai/config"
+require "ohai/system"
+require "ohai/exception"
diff --git a/lib/ohai/application.rb b/lib/ohai/application.rb
index 7ecc22de..690ecae3 100644
--- a/lib/ohai/application.rb
+++ b/lib/ohai/application.rb
@@ -15,11 +15,11 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-require 'chef-config/path_helper'
-require 'chef-config/workstation_config_loader'
-require 'ohai'
-require 'ohai/log'
-require 'mixlib/cli'
+require "chef-config/path_helper"
+require "chef-config/workstation_config_loader"
+require "ohai"
+require "ohai/log"
+require "mixlib/cli"
 
 class Ohai::Application
   include Mixlib::CLI
@@ -62,7 +62,7 @@ class Ohai::Application
     :long         => "--version",
     :description  => "Show Ohai version",
     :boolean      => true,
-    :proc         => lambda {|v| puts "Ohai: #{::Ohai::VERSION}"},
+    :proc         => lambda { |v| puts "Ohai: #{::Ohai::VERSION}" },
     :exit         => 0
 
   def initialize
@@ -113,6 +113,7 @@ class Ohai::Application
   end
 
   private
+
   def load_workstation_config
     config_loader = ChefConfig::WorkstationConfigLoader.new(
       config[:config_file], Ohai::Log
diff --git a/lib/ohai/common/dmi.rb b/lib/ohai/common/dmi.rb
index 4bdce5cb..6a483d3d 100644
--- a/lib/ohai/common/dmi.rb
+++ b/lib/ohai/common/dmi.rb
@@ -6,9 +6,9 @@
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at
-# 
+#
 #     http://www.apache.org/licenses/LICENSE-2.0
-# 
+#
 # Unless required by applicable law or agreed to in writing, software
 # distributed under the License is distributed on an "AS IS" BASIS,
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
@@ -25,48 +25,48 @@ module Ohai
       # 128-255 are 'oem_data_[id]'
       # Everything else is 'unknown'
       IdToDescription = {
-        0 =>   'bios',
-        1 =>   'system',
-        2 =>   'base_board',
-        3 =>   'chassis',
-        4 =>   'processor',
-        5 =>   'memory_controller',
-        6 =>   'memory_module',
-        7 =>   'cache',
-        8 =>   'port_connector',
-        9 =>   'system_slots',
-        10 =>  'on_board_devices',
-        11 =>  'oem_strings',
-        12 =>  'system_configuration_options',
-        13 =>  'bios_language',
-        14 =>  'group_associations',
-        15 =>  'system_event_log',
-        16 =>  'physical_memory_array',
-        17 =>  'memory_device',
-        18 =>  '32_bit_memory_error',
-        19 =>  'memory_array_mapped_address',
-        20 =>  'memory_device_mapped_address',
-        21 =>  'built_in_pointing_device',
-        22 =>  'portable_battery',
-        23 =>  'system_reset',
-        24 =>  'hardware_security',
-        25 =>  'system_power_controls',
-        26 =>  'voltage_probe',
-        27 =>  'cooling_device',
-        28 =>  'temperature_probe',
-        29 =>  'electrical_current_probe',
-        30 =>  'out_of_band_remote_access',
-        31 =>  'boot_integrity_services',
-        32 =>  'system_boot',
-        33 =>  '64_bit_memory_error',
-        34 =>  'management_device',
-        35 =>  'management_device_component',
-        36 =>  'management_device_threshold_data',
-        37 =>  'memory_channel',
-        38 =>  'ipmi_device',
-        39 =>  'power_supply',
-        126 => 'disabled_entries',
-        127 => 'end_of_table_marker',
+        0 =>   "bios",
+        1 =>   "system",
+        2 =>   "base_board",
+        3 =>   "chassis",
+        4 =>   "processor",
+        5 =>   "memory_controller",
+        6 =>   "memory_module",
+        7 =>   "cache",
+        8 =>   "port_connector",
+        9 =>   "system_slots",
+        10 =>  "on_board_devices",
+        11 =>  "oem_strings",
+        12 =>  "system_configuration_options",
+        13 =>  "bios_language",
+        14 =>  "group_associations",
+        15 =>  "system_event_log",
+        16 =>  "physical_memory_array",
+        17 =>  "memory_device",
+        18 =>  "32_bit_memory_error",
+        19 =>  "memory_array_mapped_address",
+        20 =>  "memory_device_mapped_address",
+        21 =>  "built_in_pointing_device",
+        22 =>  "portable_battery",
+        23 =>  "system_reset",
+        24 =>  "hardware_security",
+        25 =>  "system_power_controls",
+        26 =>  "voltage_probe",
+        27 =>  "cooling_device",
+        28 =>  "temperature_probe",
+        29 =>  "electrical_current_probe",
+        30 =>  "out_of_band_remote_access",
+        31 =>  "boot_integrity_services",
+        32 =>  "system_boot",
+        33 =>  "64_bit_memory_error",
+        34 =>  "management_device",
+        35 =>  "management_device_component",
+        36 =>  "management_device_threshold_data",
+        37 =>  "memory_channel",
+        38 =>  "ipmi_device",
+        39 =>  "power_supply",
+        126 => "disabled_entries",
+        127 => "end_of_table_marker",
       }
 
       # list of IDs to collect, otherwise we generate pages of hashes about cache chip size and whatnot
@@ -83,7 +83,7 @@ module Ohai
             id = DMI::IdToDescription[id]
           else
             Ohai::Log.debug("unrecognized header id; falling back to 'unknown'")
-            id = 'unknown'
+            id = "unknown"
           end
         rescue
           Ohai::Log.debug("failed to look up id #{id}, returning unchanged")
@@ -95,17 +95,17 @@ module Ohai
       # for single occurrences of one type, copy to top level all fields and values
       # for multiple occurrences of same type, copy to top level all fields and values that are common to all records
       def convenience_keys(dmi)
-        dmi.each{ |type, records|
+        dmi.each { |type, records|
           in_common = Mash.new
-          next unless records.class.to_s == 'Mash'
-          next unless records.has_key?('all_records')
-          records[:all_records].each{ |record| 
-            record.each{ |field, value| 
-              next if value.class.to_s == 'Mash'
-              next if field.to_s == 'application_identifier'
-              next if field.to_s == 'size'
-              next if field.to_s == 'record_id'
-              translated = field.downcase.gsub(/[^a-z0-9]/, '_')
+          next unless records.class.to_s == "Mash"
+          next unless records.has_key?("all_records")
+          records[:all_records].each { |record|
+            record.each { |field, value|
+              next if value.class.to_s == "Mash"
+              next if field.to_s == "application_identifier"
+              next if field.to_s == "size"
+              next if field.to_s == "record_id"
+              translated = field.downcase.gsub(/[^a-z0-9]/, "_")
               value      = value.strip
               if in_common.has_key?(translated)
                 in_common[translated] = nil unless in_common[translated] == value
@@ -114,7 +114,7 @@ module Ohai
               end
             }
           }
-          in_common.each{ |field, value|
+          in_common.each { |field, value|
             next if value == nil
             dmi[type][field] = value.strip
           }
diff --git a/lib/ohai/config.rb b/lib/ohai/config.rb
index c6996695..1ce5723f 100644
--- a/lib/ohai/config.rb
+++ b/lib/ohai/config.rb
@@ -17,10 +17,10 @@
 # limitations under the License.
 #
 
-require 'chef-config/config'
-require 'ohai/exception'
-require 'ohai/log'
-require 'ohai/plugin_config'
+require "chef-config/config"
+require "ohai/exception"
+require "ohai/log"
+require "ohai/plugin_config"
 
 module Ohai
   Config = ChefConfig::Config
@@ -30,16 +30,19 @@ module Ohai
   class Config
     # These methods need to be defined before they are used as config defaults,
     # otherwise they will get method_missing'd to nil.
+
     private
+
     def self.default_hints_path
-      [ ChefConfig::Config.platform_specific_path('/etc/chef/ohai/hints') ]
+      [ ChefConfig::Config.platform_specific_path("/etc/chef/ohai/hints") ]
     end
 
     def self.default_plugin_path
-      [ File.expand_path(File.join(File.dirname(__FILE__), 'plugins')) ]
+      [ File.expand_path(File.join(File.dirname(__FILE__), "plugins")) ]
     end
 
     public
+
     # Copy deprecated configuration options into the ohai config context.
     def self.merge_deprecated_config
       [ :hints_path, :plugin_path ].each do |option|
@@ -68,7 +71,7 @@ module Ohai
       :disabled_plugins,
       :log_level,
       :log_location,
-      :version
+      :version,
     ].each do |option|
       # https://docs.chef.io/config_rb_client.html#ohai-settings
       # hints_path and plugin_path are intentionally excluded here; warnings for
@@ -100,6 +103,7 @@ module Ohai
     end
 
     private
+
     def self.option_deprecated(option)
       <<-EOM.chomp!.gsub("\n", " ")
 Ohai::Config[:#{option}] is set. Ohai::Config[:#{option}] is deprecated and will
@@ -119,6 +123,6 @@ EOM
 
   # Shortcut for Ohai::Config.ohai
   def self.config
-    Config::ohai
+    Config.ohai
   end
 end
diff --git a/lib/ohai/dsl.rb b/lib/ohai/dsl.rb
index e33d96b5..025f6be5 100644
--- a/lib/ohai/dsl.rb
+++ b/lib/ohai/dsl.rb
@@ -17,6 +17,6 @@
 # limitations under the License.
 #
 
-require 'ohai/dsl/plugin'
-require 'ohai/dsl/plugin/versionvi'
-require 'ohai/dsl/plugin/versionvii'
+require "ohai/dsl/plugin"
+require "ohai/dsl/plugin/versionvi"
+require "ohai/dsl/plugin/versionvii"
diff --git a/lib/ohai/dsl/plugin.rb b/lib/ohai/dsl/plugin.rb
index e2a0e5b8..53b5211e 100644
--- a/lib/ohai/dsl/plugin.rb
+++ b/lib/ohai/dsl/plugin.rb
@@ -18,10 +18,10 @@
 # limitations under the License.
 #
 
-require 'ohai/mixin/os'
-require 'ohai/mixin/command'
-require 'ohai/mixin/seconds_to_human'
-require 'ohai/hints'
+require "ohai/mixin/os"
+require "ohai/mixin/command"
+require "ohai/mixin/seconds_to_human"
+require "ohai/hints"
 
 module Ohai
 
@@ -171,7 +171,7 @@ module Ohai
           raise e
         rescue => e
           Ohai::Log.debug("Plugin #{self.name} threw #{e.inspect}")
-          e.backtrace.each { |line| Ohai::Log.debug( line )}
+          e.backtrace.each { |line| Ohai::Log.debug( line ) }
         end
       end
 
diff --git a/lib/ohai/dsl/plugin/versionvi.rb b/lib/ohai/dsl/plugin/versionvi.rb
index 11d9fdae..704581de 100644
--- a/lib/ohai/dsl/plugin/versionvi.rb
+++ b/lib/ohai/dsl/plugin/versionvi.rb
@@ -59,4 +59,3 @@ module Ohai
     end
   end
 end
-
diff --git a/lib/ohai/dsl/plugin/versionvii.rb b/lib/ohai/dsl/plugin/versionvii.rb
index 741c6823..f129f828 100644
--- a/lib/ohai/dsl/plugin/versionvii.rb
+++ b/lib/ohai/dsl/plugin/versionvii.rb
@@ -112,6 +112,7 @@ module Ohai
         end
 
         private
+
         def plugin_config
           @plugin_config ||= fetch_plugin_config
         end
diff --git a/lib/ohai/hints.rb b/lib/ohai/hints.rb
index 0ed9ae5c..20420856 100644
--- a/lib/ohai/hints.rb
+++ b/lib/ohai/hints.rb
@@ -17,7 +17,7 @@
 # limitations under the License.
 #
 
-require 'ffi_yajl'
+require "ffi_yajl"
 
 module Ohai
   module Hints
diff --git a/lib/ohai/loader.rb b/lib/ohai/loader.rb
index 2381d06f..6680be90 100644
--- a/lib/ohai/loader.rb
+++ b/lib/ohai/loader.rb
@@ -16,11 +16,11 @@
 # limitations under the License.
 #
 
-require 'chef-config/path_helper'
-require 'ohai/log'
-require 'ohai/mash'
-require 'ohai/dsl'
-require 'pathname'
+require "chef-config/path_helper"
+require "ohai/log"
+require "ohai/mash"
+require "ohai/dsl"
+require "pathname"
 
 module Ohai
 
@@ -95,7 +95,7 @@ module Ohai
     # If `plugin_dir_path` is given, and the file at `plugin_path` is a v6
     # plugin, the 'relative path' of the plugin (used by `require_plugin()`) is
     # computed by finding the relative path from `plugin_dir_path` to `plugin_path`
-    def load_plugin_class(plugin_path, plugin_dir_path=nil)
+    def load_plugin_class(plugin_path, plugin_dir_path = nil)
       # Read the contents of the plugin to understand if it's a V6 or V7 plugin.
       contents = ""
       begin
diff --git a/lib/ohai/log.rb b/lib/ohai/log.rb
index 22dd39dd..c63f7abe 100644
--- a/lib/ohai/log.rb
+++ b/lib/ohai/log.rb
@@ -16,7 +16,7 @@
 # limitations under the License.
 #
 
-require 'mixlib/log'
+require "mixlib/log"
 
 module Ohai
   class Log
diff --git a/lib/ohai/mash.rb b/lib/ohai/mash.rb
index 368d806b..8dcf4b25 100644
--- a/lib/ohai/mash.rb
+++ b/lib/ohai/mash.rb
@@ -128,7 +128,7 @@ class Mash < Hash
   #
   # @return [Array] The values at each of the provided keys
   def values_at(*indices)
-    indices.collect {|key| self[convert_key(key)]}
+    indices.collect { |key| self[convert_key(key)] }
   end
 
   # @param hash<Hash> The hash to merge with the mash.
@@ -152,7 +152,7 @@ class Mash < Hash
   #   { :one => 1, :two => 2, :three => 3 }.except(:one)
   #     #=> { "two" => 2, "three" => 3 }
   def except(*keys)
-    super(*keys.map {|k| convert_key(k)})
+    super(*keys.map { |k| convert_key(k) })
   end
 
   # Used to provide the same interface as Hash.
@@ -181,6 +181,7 @@ class Mash < Hash
   end
 
   protected
+
   # @param key<Object> The key to convert.
   #
   # @param [Object]
diff --git a/lib/ohai/mixin/command.rb b/lib/ohai/mixin/command.rb
index d8e3252d..ded7c5f4 100644
--- a/lib/ohai/mixin/command.rb
+++ b/lib/ohai/mixin/command.rb
@@ -16,14 +16,14 @@
 # limitations under the License.
 #
 
-require 'ohai/exception'
-require 'ohai/config'
-require 'ohai/log'
-require 'stringio'
-require 'tmpdir'
-require 'fcntl'
-require 'etc'
-require 'mixlib/shellout'
+require "ohai/exception"
+require "ohai/config"
+require "ohai/log"
+require "stringio"
+require "tmpdir"
+require "fcntl"
+require "etc"
+require "mixlib/shellout"
 
 module Ohai
   module Mixin
@@ -36,7 +36,7 @@ module Ohai
 
       module_function :shell_out
 
-      def run_command(args={})
+      def run_command(args = {})
         if args.has_key?(:creates)
           if File.exists?(args[:creates])
             Ohai::Log.debug("Skipping #{args[:command]} - creates #{args[:creates]} exists.")
@@ -123,19 +123,18 @@ module Ohai
       # The original appears in external/open4.rb in its unmodified form.
       #
       # Thanks Ara!
-      def popen4(cmd, args={}, &b)
-
-	## Disable garbage collection to work around possible bug in MRI
+      def popen4(cmd, args = {}, &b)
+  ## Disable garbage collection to work around possible bug in MRI
   # Ruby 1.8 suffers from intermittent segfaults believed to be due to GC while IO.select
   # See OHAI-330 / CHEF-2916 / CHEF-1305
-	GC.disable
-
-        # Waitlast - this is magic.
-        #
-        # Do we wait for the child process to die before we yield
-        # to the block, or after?  That is the magic of waitlast.
-        #
-        # By default, we are waiting before we yield the block.
+        GC.disable
+
+              # Waitlast - this is magic.
+              #
+              # Do we wait for the child process to die before we yield
+              # to the block, or after?  That is the magic of waitlast.
+              #
+              # By default, we are waiting before we yield the block.
         args[:waitlast] ||= false
 
         args[:user] ||= nil
@@ -148,9 +147,9 @@ module Ohai
         end
         args[:environment] ||= {}
 
-        # Default on C locale so parsing commands output can be done
-        # independently of the node's default locale.
-        # "LC_ALL" could be set to nil, in which case we also must ignore it.
+              # Default on C locale so parsing commands output can be done
+              # independently of the node's default locale.
+              # "LC_ALL" could be set to nil, in which case we also must ignore it.
         unless args[:environment].has_key?("LC_ALL")
           args[:environment]["LC_ALL"] = "C"
         end
@@ -189,7 +188,7 @@ module Ohai
               Process.uid = args[:user]
             end
 
-            args[:environment].each do |key,value|
+            args[:environment].each do |key, value|
               ENV[key] = value
             end
 
@@ -204,19 +203,19 @@ module Ohai
               else
                 exec(cmd)
               end
-              raise 'forty-two'
+              raise "forty-two"
             rescue Exception => e
               Marshal.dump(e, ps.last)
               ps.last.flush
             end
-            ps.last.close unless (ps.last.closed?)
+            ps.last.close unless ps.last.closed?
             exit!
           }
         ensure
           $VERBOSE = verbose
         end
 
-        [pw.first, pr.last, pe.last, ps.last].each{|fd| fd.close}
+        [pw.first, pr.last, pe.last, ps.last].each { |fd| fd.close }
 
         begin
           e = Marshal.load ps.first
@@ -325,15 +324,15 @@ module Ohai
               # have encoding methods.
               if "".respond_to?(:force_encoding) && defined?(Encoding)
                 o.string.force_encoding(Encoding.default_external)
-                o.string.encode!('UTF-8', :invalid => :replace, :undef => :replace, :replace => '?')
+                o.string.encode!("UTF-8", :invalid => :replace, :undef => :replace, :replace => "?")
                 e.string.force_encoding(Encoding.default_external)
-                e.string.encode!('UTF-8', :invalid => :replace, :undef => :replace, :replace => '?')
+                e.string.encode!("UTF-8", :invalid => :replace, :undef => :replace, :replace => "?")
               end
               b[cid, pi[0], o, e]
               results.last
             end
           ensure
-            pi.each{|fd| fd.close unless fd.closed?}
+            pi.each { |fd| fd.close unless fd.closed? }
           end
         else
           [cid, pw.last, pr.first, pe.first]
@@ -341,8 +340,8 @@ module Ohai
       rescue Errno::ENOENT
         raise Ohai::Exceptions::Exec, "command #{cmd} doesn't exist or is not in the PATH"
       ensure
-	# we disabled GC entering
-	GC.enable
+        # we disabled GC entering
+        GC.enable
       end
 
       module_function :popen4
diff --git a/lib/ohai/mixin/dmi_decode.rb b/lib/ohai/mixin/dmi_decode.rb
index 1b3ba625..c8c4c5ac 100644
--- a/lib/ohai/mixin/dmi_decode.rb
+++ b/lib/ohai/mixin/dmi_decode.rb
@@ -23,23 +23,23 @@ module ::Ohai::Mixin::DmiDecode
       when /Manufacturer: Microsoft/
         if dmi_data =~ /Product Name: Virtual Machine/
           if dmi_data =~ /Version: (7.0|Hyper-V)/
-            return 'hyperv'
+            return "hyperv"
           elsif dmi_data =~ /Version: (VS2005R2|6.0)/
-            return 'virtualpc'
+            return "virtualpc"
           elsif dmi_data =~ /Version: 5.0/
-            return 'virtualserver'
+            return "virtualserver"
           end
         end
       when /Manufacturer: VMware/
-        return 'vmware'
+        return "vmware"
       when /Manufacturer: Xen/
-        return 'xen'
+        return "xen"
       when /Product Name: VirtualBox/
-        return 'vbox'
+        return "vbox"
       when /Product Name: OpenStack/
-        return 'openstack'
+        return "openstack"
       when /Manufacturer: QEMU|Product Name: (KVM|RHEV)/
-        return 'kvm'
+        return "kvm"
       end
     end
     return nil
diff --git a/lib/ohai/mixin/ec2_metadata.rb b/lib/ohai/mixin/ec2_metadata.rb
index 4a100161..14a122d3 100644
--- a/lib/ohai/mixin/ec2_metadata.rb
+++ b/lib/ohai/mixin/ec2_metadata.rb
@@ -17,8 +17,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-require 'net/http'
-require 'socket'
+require "net/http"
+require "socket"
 
 module Ohai
   module Mixin
@@ -41,15 +41,15 @@ module Ohai
     module Ec2Metadata
 
       EC2_METADATA_ADDR = "169.254.169.254" unless defined?(EC2_METADATA_ADDR)
-      EC2_SUPPORTED_VERSIONS = %w( 1.0 2007-01-19 2007-03-01 2007-08-29 2007-10-10 2007-12-15
+      EC2_SUPPORTED_VERSIONS = %w{ 1.0 2007-01-19 2007-03-01 2007-08-29 2007-10-10 2007-12-15
                                    2008-02-01 2008-09-01 2009-04-04 2011-01-01 2011-05-01 2012-01-12
-                                   2014-11-05 2014-02-25 )
+                                   2014-11-05 2014-02-25 }
 
-      EC2_ARRAY_VALUES = %w(security-groups)
-      EC2_ARRAY_DIR    = %w(network/interfaces/macs)
-      EC2_JSON_DIR     = %w(iam)
+      EC2_ARRAY_VALUES = %w{security-groups}
+      EC2_ARRAY_DIR    = %w{network/interfaces/macs}
+      EC2_JSON_DIR     = %w{iam}
 
-      def can_metadata_connect?(addr, port, timeout=2)
+      def can_metadata_connect?(addr, port, timeout = 2)
         t = Socket.new(Socket::Constants::AF_INET, Socket::Constants::SOCK_STREAM, 0)
         saddr = Socket.pack_sockaddr_in(port, addr)
         connected = false
@@ -57,7 +57,7 @@ module Ohai
         begin
           t.connect_nonblock(saddr)
         rescue Errno::EINPROGRESS
-          r,w,e = IO::select(nil,[t],nil,timeout)
+          r, w, e = IO.select(nil, [t], nil, timeout)
           if !w.nil?
             connected = true
           else
@@ -77,19 +77,19 @@ module Ohai
 
       def best_api_version
         response = http_client.get("/")
-        if response.code == '404'
+        if response.code == "404"
           Ohai::Log.debug("ec2 metadata mixin: Received HTTP 404 from metadata server while determining API version, assuming 'latest'")
           return "latest"
-        elsif response.code != '200'
+        elsif response.code != "200"
           raise "Unable to determine EC2 metadata version (returned #{response.code} response)"
         end
         # Note: Sorting the list of versions may have unintended consequences in
         # non-EC2 environments. It appears to be safe in EC2 as of 2013-04-12.
         versions = response.body.split("\n")
         versions = response.body.split("\n").sort
-        until (versions.empty? || EC2_SUPPORTED_VERSIONS.include?(versions.last)) do
+        until versions.empty? || EC2_SUPPORTED_VERSIONS.include?(versions.last)
           pv = versions.pop
-          Ohai::Log.debug("ec2 metadata mixin: EC2 shows unsupported metadata version: #{pv}") unless pv == 'latest'
+          Ohai::Log.debug("ec2 metadata mixin: EC2 shows unsupported metadata version: #{pv}") unless pv == "latest"
         end
         Ohai::Log.debug("ec2 metadata mixin: EC2 metadata version: #{versions.last}")
         if versions.empty?
@@ -99,7 +99,7 @@ module Ohai
       end
 
       def http_client
-        Net::HTTP.start(EC2_METADATA_ADDR).tap {|h| h.read_timeout = 600}
+        Net::HTTP.start(EC2_METADATA_ADDR).tap { |h| h.read_timeout = 600 }
       end
 
       # Get metadata for a given path and API version
@@ -113,9 +113,9 @@ module Ohai
         path = "/#{api_version}/meta-data/#{id}"
         response = http_client.get(path)
         case response.code
-        when '200'
+        when "200"
           response.body
-        when '404'
+        when "404"
           Ohai::Log.debug("ec2 metadata mixin: Encountered 404 response retreiving EC2 metadata path: #{path} ; continuing.")
           nil
         else
@@ -123,7 +123,7 @@ module Ohai
         end
       end
 
-      def fetch_metadata(id='', api_version=nil)
+      def fetch_metadata(id = "", api_version = nil)
         api_version ||= best_api_version
         return {} if api_version.nil?
 
@@ -132,7 +132,7 @@ module Ohai
         if retrieved_metadata
           retrieved_metadata.split("\n").each do |o|
             key = expand_path("#{id}#{o}")
-            if key[-1..-1] != '/'
+            if key[-1..-1] != "/"
               metadata[metadata_key(key)] =
                 if EC2_ARRAY_VALUES.include? key
                   retr_meta = metadata_get(key, api_version)
@@ -140,7 +140,7 @@ module Ohai
                 else
                   metadata_get(key, api_version)
                 end
-            elsif not key.eql?(id) and not key.eql?('/')
+            elsif not key.eql?(id) and not key.eql?("/")
               name = key[0..-2]
               sym = metadata_key(name)
               if EC2_ARRAY_DIR.include?(name)
@@ -148,7 +148,7 @@ module Ohai
               elsif EC2_JSON_DIR.include?(name)
                 metadata[sym] = fetch_json_dir_metadata(key, api_version)
               else
-                fetch_metadata(key, api_version).each{|k,v| metadata[k] = v}
+                fetch_metadata(key, api_version).each { |k, v| metadata[k] = v }
               end
             end
           end
@@ -162,10 +162,10 @@ module Ohai
         if retrieved_metadata
           retrieved_metadata.split("\n").each do |o|
             key = expand_path(o)
-            if key[-1..-1] != '/'
+            if key[-1..-1] != "/"
               retr_meta = metadata_get("#{id}#{key}", api_version)
-              metadata[metadata_key(key)] = retr_meta ? retr_meta : ''
-            elsif not key.eql?('/')
+              metadata[metadata_key(key)] = retr_meta ? retr_meta : ""
+            elsif not key.eql?("/")
               metadata[key[0..-2]] = fetch_dir_metadata("#{id}#{key}", api_version)
             end
           end
@@ -179,13 +179,13 @@ module Ohai
         if retrieved_metadata
           retrieved_metadata.split("\n").each do |o|
             key = expand_path(o)
-            if key[-1..-1] != '/'
+            if key[-1..-1] != "/"
               retr_meta = metadata_get("#{id}#{key}", api_version)
-              data = retr_meta ? retr_meta : ''
+              data = retr_meta ? retr_meta : ""
               json = StringIO.new(data)
               parser = FFI_Yajl::Parser.new
               metadata[metadata_key(key)] = parser.parse(json)
-            elsif not key.eql?('/')
+            elsif not key.eql?("/")
               metadata[key[0..-2]] = fetch_json_dir_metadata("#{id}#{key}", api_version)
             end
           end
@@ -203,15 +203,15 @@ module Ohai
       private
 
       def expand_path(file_name)
-        path = file_name.gsub(/\=.*$/, '/')
+        path = file_name.gsub(/\=.*$/, "/")
         # ignore "./" and "../"
-        path.gsub(%r{/\.\.?(?:/|$)}, '/').
-          sub(%r{^\.\.?(?:/|$)}, '').
-          sub(%r{^$}, '/')
+        path.gsub(%r{/\.\.?(?:/|$)}, "/").
+          sub(%r{^\.\.?(?:/|$)}, "").
+          sub(%r{^$}, "/")
       end
 
       def metadata_key(key)
-        key.gsub(/\-|\//, '_')
+        key.gsub(/\-|\//, "_")
       end
 
     end
diff --git a/lib/ohai/mixin/gce_metadata.rb b/lib/ohai/mixin/gce_metadata.rb
index accbb9a7..05127a5e 100644
--- a/lib/ohai/mixin/gce_metadata.rb
+++ b/lib/ohai/mixin/gce_metadata.rb
@@ -14,8 +14,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-require 'net/http'
-require 'socket'
+require "net/http"
+require "socket"
 
 module Ohai
   module Mixin
@@ -25,7 +25,7 @@ module Ohai
       GCE_METADATA_ADDR = "metadata.google.internal." unless defined?(GCE_METADATA_ADDR)
       GCE_METADATA_URL = "/computeMetadata/v1beta1/?recursive=true" unless defined?(GCE_METADATA_URL)
 
-      def can_metadata_connect?(addr, port, timeout=2)
+      def can_metadata_connect?(addr, port, timeout = 2)
         t = Socket.new(Socket::Constants::AF_INET, Socket::Constants::SOCK_STREAM, 0)
         saddr = Socket.pack_sockaddr_in(port, addr)
         connected = false
@@ -33,7 +33,7 @@ module Ohai
         begin
           t.connect_nonblock(saddr)
         rescue Errno::EINPROGRESS
-          r,w,e = IO::select(nil,[t],nil,timeout)
+          r, w, e = IO.select(nil, [t], nil, timeout)
           if !w.nil?
             connected = true
           else
@@ -52,10 +52,10 @@ module Ohai
       end
 
       def http_client
-        Net::HTTP.start(GCE_METADATA_ADDR).tap {|h| h.read_timeout = 6}
+        Net::HTTP.start(GCE_METADATA_ADDR).tap { |h| h.read_timeout = 6 }
       end
 
-      def fetch_metadata(id='')
+      def fetch_metadata(id = "")
         uri = "#{GCE_METADATA_URL}/#{id}"
         response = http_client.get(uri)
         return nil unless response.code == "200"
@@ -64,8 +64,8 @@ module Ohai
           data = StringIO.new(response.body)
           parser = FFI_Yajl::Parser.new
           parser.parse(data)
-        elsif  has_trailing_slash?(id) or (id == '')
-          temp={}
+        elsif has_trailing_slash?(id) or (id == "")
+          temp = {}
           response.body.split("\n").each do |sub_attr|
             temp[sanitize_key(sub_attr)] = fetch_metadata("#{id}#{sub_attr}")
           end
@@ -95,7 +95,7 @@ module Ohai
       end
 
       def sanitize_key(key)
-        key.gsub(/\-|\//, '_')
+        key.gsub(/\-|\//, "_")
       end
     end
   end
diff --git a/lib/ohai/mixin/network_constants.rb b/lib/ohai/mixin/network_constants.rb
index 6a529a14..ed53bb8b 100644
--- a/lib/ohai/mixin/network_constants.rb
+++ b/lib/ohai/mixin/network_constants.rb
@@ -22,7 +22,7 @@ module Ohai
     module NetworkConstants
       FAMILIES = {
         "inet" => "default",
-        "inet6" => "default_inet6"
+        "inet6" => "default_inet6",
       }
 
       # From sigar: include/sigar.h sigar_net_route_t
diff --git a/lib/ohai/mixin/os.rb b/lib/ohai/mixin/os.rb
index 8aa8f77c..83cdc34e 100644
--- a/lib/ohai/mixin/os.rb
+++ b/lib/ohai/mixin/os.rb
@@ -17,14 +17,14 @@
 # limitations under the License.
 #
 
-require 'rbconfig'
+require "rbconfig"
 
 module Ohai
   module Mixin
     module OS
 
       def collect_os
-        case ::RbConfig::CONFIG['host_os']
+        case ::RbConfig::CONFIG["host_os"]
         when /aix(.+)$/
           return "aix"
         when /darwin(.+)$/
@@ -51,7 +51,7 @@ module Ohai
           # subsystems.
           return "windows"
         else
-          return ::RbConfig::CONFIG['host_os']
+          return ::RbConfig::CONFIG["host_os"]
         end
       end
 
diff --git a/lib/ohai/mixin/seconds_to_human.rb b/lib/ohai/mixin/seconds_to_human.rb
index caeb4d8a..6d888970 100644
--- a/lib/ohai/mixin/seconds_to_human.rb
+++ b/lib/ohai/mixin/seconds_to_human.rb
@@ -44,5 +44,3 @@ module Ohai
     end
   end
 end
-
-
diff --git a/lib/ohai/mixin/softlayer_metadata.rb b/lib/ohai/mixin/softlayer_metadata.rb
index a7ee8511..f8568110 100644
--- a/lib/ohai/mixin/softlayer_metadata.rb
+++ b/lib/ohai/mixin/softlayer_metadata.rb
@@ -17,20 +17,20 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-require 'net/https'
-require 'uri'
+require "net/https"
+require "uri"
 
 # http://sldn.softlayer.com/reference/services/SoftLayer_Resource_Metadata
 module ::Ohai::Mixin::SoftlayerMetadata
-  SOFTLAYER_API_QUERY_URL = 'https://api.service.softlayer.com/rest/v3.1/SoftLayer_Resource_Metadata' unless defined?(SOFTLAYER_API_QUERY_URL)
+  SOFTLAYER_API_QUERY_URL = "https://api.service.softlayer.com/rest/v3.1/SoftLayer_Resource_Metadata" unless defined?(SOFTLAYER_API_QUERY_URL)
 
   def fetch_metadata
-    metadata  = {
-      'public_fqdn'   => fetch_metadata_item("getFullyQualifiedDomainName.txt"),
-      'local_ipv4'    => fetch_metadata_item("getPrimaryBackendIpAddress.txt"),
-      'public_ipv4'   => fetch_metadata_item("getPrimaryIpAddress.txt"),
-      'region'        => fetch_metadata_item("getDatacenter.txt"),
-      'instance_id'   => fetch_metadata_item("getId.txt")
+    metadata = {
+      "public_fqdn"   => fetch_metadata_item("getFullyQualifiedDomainName.txt"),
+      "local_ipv4"    => fetch_metadata_item("getPrimaryBackendIpAddress.txt"),
+      "public_ipv4"   => fetch_metadata_item("getPrimaryIpAddress.txt"),
+      "region"        => fetch_metadata_item("getDatacenter.txt"),
+      "instance_id"   => fetch_metadata_item("getId.txt"),
     }
   end
 
@@ -51,7 +51,7 @@ module ::Ohai::Mixin::SoftlayerMetadata
     net.use_ssl = true
     net.ca_file = ca_file_location
     res = net.get(u.request_uri)
-    if res.code.to_i.between?(200,299)
+    if res.code.to_i.between?(200, 299)
       res.body
     else
       ::Ohai::Log.error("Unable to fetch item #{full_url}: status (#{res.code}) body (#{res.body})")
diff --git a/lib/ohai/mixin/string.rb b/lib/ohai/mixin/string.rb
index 6f1e4da9..48830a36 100644
--- a/lib/ohai/mixin/string.rb
+++ b/lib/ohai/mixin/string.rb
@@ -23,7 +23,7 @@ class String
   # This should implement the same functionality as underscore method in
   # ActiveSupport::CoreExtensions::String::Inflections
   def wmi_underscore
-     self.gsub(/::/, '/').gsub(/([A-Z]+)([A-Z][a-z])/,'\1_\2').
-     gsub(/([a-z\d])([A-Z])/,'\1_\2').tr("-", "_").downcase
+    self.gsub(/::/, "/").gsub(/([A-Z]+)([A-Z][a-z])/, '\1_\2').
+      gsub(/([a-z\d])([A-Z])/, '\1_\2').tr("-", "_").downcase
   end
 end
diff --git a/lib/ohai/plugin_config.rb b/lib/ohai/plugin_config.rb
index fe38c02c..b757af21 100644
--- a/lib/ohai/plugin_config.rb
+++ b/lib/ohai/plugin_config.rb
@@ -15,7 +15,7 @@
 # limitations under the License.
 #
 
-require 'ohai/exception'
+require "ohai/exception"
 
 module Ohai
   class PluginConfig < Hash
diff --git a/lib/ohai/plugins/aix/cpu.rb b/lib/ohai/plugins/aix/cpu.rb
index 26e047d2..f1e548b1 100644
--- a/lib/ohai/plugins/aix/cpu.rb
+++ b/lib/ohai/plugins/aix/cpu.rb
@@ -27,7 +27,7 @@ Ohai.plugin(:CPU) do
     cpu[:total] = shell_out("pmcycles -m").stdout.lines.length
 
     # The below is only relevent on an LPAR
-    if shell_out('uname -W').stdout.strip == "0"
+    if shell_out("uname -W").stdout.strip == "0"
 
       # At least one CPU will be available, but we'll wait to increment this later.
       cpu[:available] = 0
@@ -36,7 +36,7 @@ Ohai.plugin(:CPU) do
       #from http://www-01.ibm.com/software/passportadvantage/pvu_terminology_for_customers.html
       #on AIX number of cores and processors are considered same
       cpu[:real] = cpu[:cores] = cpudevs.length
-      cpudevs.each.with_index do |c,i|
+      cpudevs.each.with_index do |c, i|
         name, status, location = c.split
         index = i.to_s
         cpu[index] = Mash.new
diff --git a/lib/ohai/plugins/aix/filesystem.rb b/lib/ohai/plugins/aix/filesystem.rb
index 3569adcc..8f90921c 100644
--- a/lib/ohai/plugins/aix/filesystem.rb
+++ b/lib/ohai/plugins/aix/filesystem.rb
@@ -54,14 +54,14 @@ Ohai.plugin(:Filesystem) do
         oldie[key] ||= Mash.new
         oldie[key][:mount] = fields[1]
         oldie[key][:fs_type] = fields[2]
-        oldie[key][:mount_options] = fields[6].split(',')
+        oldie[key][:mount_options] = fields[6].split(",")
       # entries occupying the 'Node' column parsed here
       else
         key = fields[0] + ":" + fields[1]
         oldie[key] ||= Mash.new
         oldie[key][:mount] = fields[1]
         oldie[key][:fs_type] = fields[3]
-        oldie[key][:mount_options] = fields[7].split(',')
+        oldie[key][:mount_options] = fields[7].split(",")
       end
     end
     oldie
diff --git a/lib/ohai/plugins/aix/memory.rb b/lib/ohai/plugins/aix/memory.rb
index 50b33408..40630110 100644
--- a/lib/ohai/plugins/aix/memory.rb
+++ b/lib/ohai/plugins/aix/memory.rb
@@ -30,7 +30,7 @@ Ohai.plugin(:Memory) do
     memory[:free] = "#{free_in_mb.to_i * 1024}kB"
 
     swapinfo = shell_out("swap -s").stdout.split #returns swap info in 4K blocks
-    memory[:swap]['total'] = "#{(swapinfo[2].to_i) * 4}kB"
-    memory[:swap]['free'] = "#{(swapinfo[10].to_i) * 4}kB"
+    memory[:swap]["total"] = "#{(swapinfo[2].to_i) * 4}kB"
+    memory[:swap]["free"] = "#{(swapinfo[10].to_i) * 4}kB"
   end
 end
diff --git a/lib/ohai/plugins/aix/network.rb b/lib/ohai/plugins/aix/network.rb
index f576e1fe..292b45c6 100644
--- a/lib/ohai/plugins/aix/network.rb
+++ b/lib/ohai/plugins/aix/network.rb
@@ -19,7 +19,7 @@
 #
 
 Ohai.plugin(:Network) do
-  require 'ipaddr'
+  require "ipaddr"
 
   provides "network", "counters/network", "macaddress"
 
@@ -27,7 +27,7 @@ Ohai.plugin(:Network) do
   def hex_to_dec_netmask(netmask)
     # example '0xffff0000' -> '255.255.0.0'
     dec = netmask[2..3].to_i(16).to_s(10)
-    [4,6,8].each { |n| dec = dec + "." + netmask[n..n+1].to_i(16).to_s(10) }
+    [4, 6, 8].each { |n| dec = dec + "." + netmask[n..n + 1].to_i(16).to_s(10) }
     dec
   end
 
@@ -53,7 +53,7 @@ Ohai.plugin(:Network) do
       # :default_interface, :default_gateway - route -n get 0
       so = shell_out("netstat -rn |grep default")
       so.stdout.lines.each do |line|
-        items = line.split(' ')
+        items = line.split(" ")
         if items[0] == "default"
           network[:default_gateway] = items[1]
           network[:default_interface] = items[5]
@@ -68,12 +68,12 @@ Ohai.plugin(:Network) do
       interface = splat[0]
       line = splat[1..-1][0]
       iface[interface] = Mash.new
-      iface[interface][:state] = (line.include?("<UP,") ? 'up' : 'down')
+      iface[interface][:state] = (line.include?("<UP,") ? "up" : "down")
 
       intraface.lines.each do |lin|
         case lin
         when /flags=\S+<(\S+)>/
-          iface[interface][:flags] = $1.split(',')
+          iface[interface][:flags] = $1.split(",")
           iface[interface][:metric] = $1 if lin =~ /metric\s(\S+)/
         else
           # We have key value pairs.
@@ -103,9 +103,9 @@ Ohai.plugin(:Network) do
           else
             # load all key-values, example "tcp_sendspace 131072 tcp_recvspace 131072 rfc1323 1"
             properties = lin.split
-            n = properties.length/2 - 1
+            n = properties.length / 2 - 1
             (0..n).each do |i|
-              iface[interface][properties[i*2]] = properties[(i*2+1)]
+              iface[interface][properties[i * 2]] = properties[(i * 2 + 1)]
             end
           end
         end
@@ -120,7 +120,7 @@ Ohai.plugin(:Network) do
           macaddress $1.upcase unless shell_out("uname -W").stdout.to_i > 0
         end
       end
-    end  #ifconfig stdout
+    end #ifconfig stdout
 
     # Query routes information
     %w{inet inet6}.each do |family|
@@ -130,7 +130,7 @@ Ohai.plugin(:Network) do
           interface = $6
           iface[interface][:routes] = Array.new unless iface[interface][:routes]
           iface[interface][:routes] << Mash.new( :destination => $1, :family => family,
-           :via => $2, :flags => $3)
+                                                 :via => $2, :flags => $3)
         end
       end
     end
@@ -151,4 +151,3 @@ Ohai.plugin(:Network) do
     network["interfaces"] = iface
   end
 end
-
diff --git a/lib/ohai/plugins/aix/os.rb b/lib/ohai/plugins/aix/os.rb
index cdf1a0aa..ebbe760d 100644
--- a/lib/ohai/plugins/aix/os.rb
+++ b/lib/ohai/plugins/aix/os.rb
@@ -17,11 +17,11 @@
 # limitations under the License.
 #
 
-require 'ohai/mixin/os'
+require "ohai/mixin/os"
 
 Ohai.plugin(:OS) do
   provides "os", "os_version"
-  depends 'kernel'
+  depends "kernel"
 
   collect_data(:aix) do
     os collect_os
diff --git a/lib/ohai/plugins/aix/uptime.rb b/lib/ohai/plugins/aix/uptime.rb
index d0bf5d56..ce463753 100644
--- a/lib/ohai/plugins/aix/uptime.rb
+++ b/lib/ohai/plugins/aix/uptime.rb
@@ -21,14 +21,14 @@ Ohai.plugin(:Uptime) do
   provides "uptime", "uptime_seconds"
 
   collect_data(:aix) do
-    require 'date'
+    require "date"
     # Example output:
     # $ who -b
     #   .       system boot  Jul  9 17:51
-    so = shell_out('who -b')
+    so = shell_out("who -b")
     so.stdout.lines.each do |line|
       if line =~ /.* boot (.+)/
-        uptime_seconds Time.now.to_i - DateTime.parse($1 + " #{Time.now.zone}").strftime('%s').to_i
+        uptime_seconds Time.now.to_i - DateTime.parse($1 + " #{Time.now.zone}").strftime("%s").to_i
         uptime seconds_to_human(uptime_seconds)
         break
       end
diff --git a/lib/ohai/plugins/aix/virtualization.rb b/lib/ohai/plugins/aix/virtualization.rb
index 0ffdb435..fdce73ef 100644
--- a/lib/ohai/plugins/aix/virtualization.rb
+++ b/lib/ohai/plugins/aix/virtualization.rb
@@ -56,63 +56,63 @@ Ohai.plugin(:Virtualization) do
 
           sections.each do |line|
             case title
-            when 'network'
+            when "network"
               next if line =~ /^Interface|^---/
               splat = line.strip.split
               key   = splat[0].downcase
               value = {
-                        'address'   => splat[1],
-                        'netmask'   => splat[2],
-                        'broadcast' => splat[3],
+                        "address"   => splat[1],
+                        "netmask"   => splat[2],
+                        "broadcast" => splat[3],
                       }
               wpars[wpar_name][title][key] = value
-            when 'user-specified routes'
+            when "user-specified routes"
               next if line =~ /^Type|^---/
               splat = line.strip.split
               key   = splat[2].downcase
               value = {
-                        'destination' => splat[0],
-                        'gateway'     => splat[1],
+                        "destination" => splat[0],
+                        "gateway"     => splat[1],
                       }
               wpars[wpar_name][title][key] = value
-            when 'file systems'
+            when "file systems"
               next if line =~ /^MountPoint|^---/
               splat = line.strip.split
               key = splat[1].downcase
               value = {
-                        'mountpoint' => splat[0],
-                        'device'     => splat[1],
-                        'vfs'     => splat[2],
-                        'options'     => splat[3].split(','),
+                        "mountpoint" => splat[0],
+                        "device"     => splat[1],
+                        "vfs"     => splat[2],
+                        "options"     => splat[3].split(","),
                       }
               wpars[wpar_name][title][key] = value
-            when 'security settings'
-              privileges ||= ''
-              wpars[wpar_name][title]['Privileges'] ||= []
+            when "security settings"
+              privileges ||= ""
+              wpars[wpar_name][title]["Privileges"] ||= []
 
               if line =~ /^Privileges/
-                privileges << line.split(':')[1].strip
+                privileges << line.split(":")[1].strip
               else
                 privileges << line.strip
               end
 
-              wpars[wpar_name][title]['Privileges'] += privileges.split(',')
-            when 'device exports'
+              wpars[wpar_name][title]["Privileges"] += privileges.split(",")
+            when "device exports"
               next if line =~ /^Name|^---/
               splat = line.strip.split
               key = splat[0].downcase
               value = {
-                        'type' => splat[1],
-                        'status'     => splat[2],
+                        "type" => splat[1],
+                        "status"     => splat[2],
                       }
               wpars[wpar_name][title][key] = value
             else
               # key-value pairs are handled here
               # such as GENERAL and RESOURCE-
               # CONTROL
-              splat = line.strip.split(':')
+              splat = line.strip.split(":")
               key   = splat[0].downcase
-              value = splat[1..-1].join(', ').strip
+              value = splat[1..-1].join(", ").strip
               value = value.empty? ? nil : value
               case value
               when "yes"
@@ -136,7 +136,7 @@ Ohai.plugin(:Virtualization) do
 
         top_level.each do |attribute|
           evalstr = "wpars['#{wpar_name}']"
-          breadcrumb = attribute.split('.')
+          breadcrumb = attribute.split(".")
           breadcrumb.each do |node|
             evalstr << "[\'#{node}\']"
           end
diff --git a/lib/ohai/plugins/azure.rb b/lib/ohai/plugins/azure.rb
index 852bcd94..52fe1d9a 100644
--- a/lib/ohai/plugins/azure.rb
+++ b/lib/ohai/plugins/azure.rb
@@ -22,11 +22,11 @@ Ohai.plugin(:Azure) do
     # The project is located at https://github.com/chef/knife-azure
     # Please see the lib/chef/knife/azure_server_create.rb file in that
     # project for details
-    azure_metadata_from_hints = hint?('azure')
+    azure_metadata_from_hints = hint?("azure")
     if azure_metadata_from_hints
       Ohai::Log.debug("azure plugin: azure_metadata_from_hints is present.")
       azure Mash.new
-      azure_metadata_from_hints.each {|k, v| azure[k] = v }
+      azure_metadata_from_hints.each { |k, v| azure[k] = v }
     elsif looks_like_azure?
       Ohai::Log.debug("azure plugin: No hints present, but system appears to be on azure.")
       azure Mash.new
@@ -39,10 +39,10 @@ Ohai.plugin(:Azure) do
   # check for either the waagent or the unknown-245 DHCP option that Azure uses
   # http://blog.mszcool.com/index.php/2015/04/detecting-if-a-virtual-machine-runs-in-microsoft-azure-linux-windows-to-protect-your-software-when-distributed-via-the-azure-marketplace/
   def looks_like_azure?
-    if File.exist?('/usr/sbin/waagent') || Dir.exist?('C:\WindowsAzure')
+    if File.exist?("/usr/sbin/waagent") || Dir.exist?('C:\WindowsAzure')
       Ohai::Log.debug("azure plugin: Found waagent used by MS Azure.")
       return true
-    elsif File.exist?('/var/lib/dhcp/dhclient.eth0.leases')
+    elsif File.exist?("/var/lib/dhcp/dhclient.eth0.leases")
       File.open("/var/lib/dhcp/dhclient.eth0.leases").each do |line|
         if line =~ /unknown-245/
           Ohai::Log.debug("azure plugin: Found unknown-245 DHCP option used by MS Azure.")
diff --git a/lib/ohai/plugins/bsd/virtualization.rb b/lib/ohai/plugins/bsd/virtualization.rb
index 518d664d..c8bfe359 100644
--- a/lib/ohai/plugins/bsd/virtualization.rb
+++ b/lib/ohai/plugins/bsd/virtualization.rb
@@ -16,12 +16,12 @@
 # limitations under the License.
 #
 
-require 'ohai/mixin/dmi_decode'
+require "ohai/mixin/dmi_decode"
 
 include Ohai::Mixin::DmiDecode
 
 Ohai.plugin(:Virtualization) do
-  provides 'virtualization'
+  provides "virtualization"
 
   collect_data(:freebsd, :openbsd, :netbsd, :dragonflybsd) do
 
@@ -33,14 +33,14 @@ Ohai.plugin(:Virtualization) do
     if so.stdout.split($/)[0].to_i == 1
       virtualization[:system] = "jail"
       virtualization[:role] = "guest"
-      virtualization[:systems][:jail] = 'guest'
+      virtualization[:systems][:jail] = "guest"
     end
 
-    so = shell_out('jls -n')
-    if (so.stdout || '').lines.count >= 1
-      virtualization[:system] = 'jail'
-      virtualization[:role] = 'host'
-      virtualization[:systems][:jail] = 'host'
+    so = shell_out("jls -n")
+    if (so.stdout || "").lines.count >= 1
+      virtualization[:system] = "jail"
+      virtualization[:role] = "host"
+      virtualization[:systems][:jail] = "host"
     end
 
     # detect from modules
@@ -48,32 +48,32 @@ Ohai.plugin(:Virtualization) do
     so.stdout.lines do |line|
       case line
       when /vboxdrv/
-        virtualization[:system] = 'vbox'
-        virtualization[:role] = 'host'
-        virtualization[:systems][:vbox] = 'host'
+        virtualization[:system] = "vbox"
+        virtualization[:role] = "host"
+        virtualization[:systems][:vbox] = "host"
       when /vboxguest/
-        virtualization[:system] = 'vbox'
-        virtualization[:role] = 'guest'
-        virtualization[:systems][:vbox] = 'guest'
+        virtualization[:system] = "vbox"
+        virtualization[:role] = "guest"
+        virtualization[:systems][:vbox] = "guest"
       end
     end
 
     # Detect KVM/QEMU from cpu, report as KVM
     # hw.model: QEMU Virtual CPU version 0.9.1
-    so = shell_out('sysctl -n hw.model')
+    so = shell_out("sysctl -n hw.model")
     if so.stdout.split($/)[0] =~ /QEMU Virtual CPU|Common KVM processor|Common 32-bit KVM processor/
-      virtualization[:system] = 'kvm'
-      virtualization[:role] = 'guest'
-      virtualization[:systems][:kvm] = 'guest'
+      virtualization[:system] = "kvm"
+      virtualization[:role] = "guest"
+      virtualization[:systems][:kvm] = "guest"
     end
 
     # parse dmidecode to discover various virtualization guests
-    if File.exist?('/usr/local/sbin/dmidecode') || File.exist?('/usr/pkg/sbin/dmidecode')
-      guest = guest_from_dmi(shell_out('dmidecode').stdout)
+    if File.exist?("/usr/local/sbin/dmidecode") || File.exist?("/usr/pkg/sbin/dmidecode")
+      guest = guest_from_dmi(shell_out("dmidecode").stdout)
       if guest
         virtualization[:system] = guest
-        virtualization[:role] = 'guest'
-        virtualization[:systems][guest.to_sym] = 'guest'
+        virtualization[:role] = "guest"
+        virtualization[:systems][guest.to_sym] = "guest"
       end
     end
   end
diff --git a/lib/ohai/plugins/c.rb b/lib/ohai/plugins/c.rb
index fdf798d0..8cea4d0c 100644
--- a/lib/ohai/plugins/c.rb
+++ b/lib/ohai/plugins/c.rb
@@ -6,9 +6,9 @@
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at
-# 
+#
 #     http://www.apache.org/licenses/LICENSE-2.0
-# 
+#
 # Unless required by applicable law or agreed to in writing, software
 # distributed under the License is distributed on an "AS IS" BASIS,
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
@@ -16,7 +16,7 @@
 # limitations under the License.
 #
 
-require 'rbconfig'
+require "rbconfig"
 
 Ohai.plugin(:C) do
   provides "languages/c"
diff --git a/lib/ohai/plugins/chef.rb b/lib/ohai/plugins/chef.rb
index 49052a5f..211a320e 100644
--- a/lib/ohai/plugins/chef.rb
+++ b/lib/ohai/plugins/chef.rb
@@ -21,7 +21,7 @@ Ohai.plugin(:Chef) do
 
   collect_data do
     begin
-      require 'chef/version'
+      require "chef/version"
     rescue Gem::LoadError
       # this catches when you've done a major version bump of ohai, but
       # your chef gem is incompatible, so we can't load it in the same VM
diff --git a/lib/ohai/plugins/cloud.rb b/lib/ohai/plugins/cloud.rb
index 301193c9..23084631 100644
--- a/lib/ohai/plugins/cloud.rb
+++ b/lib/ohai/plugins/cloud.rb
@@ -52,22 +52,22 @@ Ohai.plugin(:Cloud) do
     cloud[:public_ipv4] = []
     cloud[:local_ipv4] = []
 
-    public_ips = gce['instance']["networkInterfaces"].collect do |interface|
-      if interface.has_key?('accessConfigs')
-        interface['accessConfigs'].collect{|ac| ac['externalIp']}
+    public_ips = gce["instance"]["networkInterfaces"].collect do |interface|
+      if interface.has_key?("accessConfigs")
+        interface["accessConfigs"].collect { |ac| ac["externalIp"] }
       end
     end.flatten.compact
 
-    private_ips = gce['instance']["networkInterfaces"].collect do |interface|
-      interface['ip']
+    private_ips = gce["instance"]["networkInterfaces"].collect do |interface|
+      interface["ip"]
     end.compact
 
     cloud[:public_ips] += public_ips
     cloud[:private_ips] += private_ips
-    cloud[:public_ipv4] +=  public_ips
+    cloud[:public_ipv4] += public_ips
     cloud[:public_hostname] = nil
     cloud[:local_ipv4] += private_ips
-    cloud[:local_hostname] = gce['instance']['hostname']
+    cloud[:local_hostname] = gce["instance"]["hostname"]
     cloud[:provider] = "gce"
   end
 
@@ -86,12 +86,12 @@ Ohai.plugin(:Cloud) do
 
   # Fill cloud hash with ec2 values
   def get_ec2_values
-    cloud[:public_ips] << ec2['public_ipv4']
-    cloud[:private_ips] << ec2['local_ipv4']
-    cloud[:public_ipv4] = ec2['public_ipv4']
-    cloud[:public_hostname] = ec2['public_hostname']
-    cloud[:local_ipv4] = ec2['local_ipv4']
-    cloud[:local_hostname] = ec2['local_hostname']
+    cloud[:public_ips] << ec2["public_ipv4"]
+    cloud[:private_ips] << ec2["local_ipv4"]
+    cloud[:public_ipv4] = ec2["public_ipv4"]
+    cloud[:public_hostname] = ec2["public_hostname"]
+    cloud[:local_ipv4] = ec2["local_ipv4"]
+    cloud[:local_hostname] = ec2["local_hostname"]
     cloud[:provider] = "ec2"
   end
 
@@ -110,14 +110,14 @@ Ohai.plugin(:Cloud) do
 
   # Fill cloud hash with rackspace values
   def get_rackspace_values
-    cloud[:public_ips] << rackspace['public_ipv4'] if rackspace['public_ipv4']
-    cloud[:private_ips] << rackspace['local_ipv4'] if rackspace['local_ipv4']
-    cloud[:public_ipv4] = rackspace['public_ipv4']
-    cloud[:public_ipv6] = rackspace['public_ipv6']
-    cloud[:public_hostname] = rackspace['public_hostname']
-    cloud[:local_ipv4] = rackspace['local_ipv4']
-    cloud[:local_ipv6] = rackspace['local_ipv6']
-    cloud[:local_hostname] = rackspace['local_hostname']
+    cloud[:public_ips] << rackspace["public_ipv4"] if rackspace["public_ipv4"]
+    cloud[:private_ips] << rackspace["local_ipv4"] if rackspace["local_ipv4"]
+    cloud[:public_ipv4] = rackspace["public_ipv4"]
+    cloud[:public_ipv6] = rackspace["public_ipv6"]
+    cloud[:public_hostname] = rackspace["public_hostname"]
+    cloud[:local_ipv4] = rackspace["local_ipv4"]
+    cloud[:local_ipv6] = rackspace["local_ipv6"]
+    cloud[:local_hostname] = rackspace["local_hostname"]
     cloud[:provider] = "rackspace"
   end
 
@@ -136,12 +136,12 @@ Ohai.plugin(:Cloud) do
 
   # Fill cloud hash with linode values
   def get_linode_values
-    cloud[:public_ips] << linode['public_ip']
-    cloud[:private_ips] << linode['private_ip']
-    cloud[:public_ipv4] = linode['public_ipv4']
-    cloud[:public_hostname] = linode['public_hostname']
-    cloud[:local_ipv4] = linode['local_ipv4']
-    cloud[:local_hostname] = linode['local_hostname']
+    cloud[:public_ips] << linode["public_ip"]
+    cloud[:private_ips] << linode["private_ip"]
+    cloud[:public_ipv4] = linode["public_ipv4"]
+    cloud[:public_hostname] = linode["public_hostname"]
+    cloud[:local_ipv4] = linode["local_ipv4"]
+    cloud[:local_hostname] = linode["local_hostname"]
     cloud[:provider] = "linode"
   end
 
@@ -159,12 +159,12 @@ Ohai.plugin(:Cloud) do
   end
 
   def get_eucalyptus_values
-    cloud[:public_ips] << eucalyptus['public_ipv4']
-    cloud[:private_ips] << eucalyptus['local_ipv4']
-    cloud[:public_ipv4] = eucalyptus['public_ipv4']
-    cloud[:public_hostname] = eucalyptus['public_hostname']
-    cloud[:local_ipv4] = eucalyptus['local_ipv4']
-    cloud[:local_hostname] = eucalyptus['local_hostname']
+    cloud[:public_ips] << eucalyptus["public_ipv4"]
+    cloud[:private_ips] << eucalyptus["local_ipv4"]
+    cloud[:public_ipv4] = eucalyptus["public_ipv4"]
+    cloud[:public_hostname] = eucalyptus["public_hostname"]
+    cloud[:local_ipv4] = eucalyptus["local_ipv4"]
+    cloud[:local_hostname] = eucalyptus["local_hostname"]
     cloud[:provider] = "eucalyptus"
   end
 
@@ -183,13 +183,13 @@ Ohai.plugin(:Cloud) do
 
   # Fill cloud hash with openstack values
   def get_openstack_values
-    cloud[:public_ips] << openstack['public_ipv4']
-    cloud[:private_ips] << openstack['local_ipv4']
-    cloud[:public_ipv4] = openstack['public_ipv4']
-    cloud[:public_hostname] = openstack['public_hostname']
-    cloud[:local_ipv4] = openstack['local_ipv4']
-    cloud[:local_hostname] = openstack['local_hostname']
-    cloud[:provider] = openstack['provider']
+    cloud[:public_ips] << openstack["public_ipv4"]
+    cloud[:private_ips] << openstack["local_ipv4"]
+    cloud[:public_ipv4] = openstack["public_ipv4"]
+    cloud[:public_hostname] = openstack["public_hostname"]
+    cloud[:local_ipv4] = openstack["local_ipv4"]
+    cloud[:local_hostname] = openstack["local_hostname"]
+    cloud[:provider] = openstack["provider"]
   end
 
   # ----------------------------------------
@@ -208,12 +208,12 @@ Ohai.plugin(:Cloud) do
   # Fill cloud hash with azure values
   def get_azure_values
     cloud[:vm_name] = azure["vm_name"]
-    cloud[:public_ips] << azure['public_ip']
-    cloud[:public_ipv4] = azure['public_ip']
-    cloud[:public_fqdn] = azure['public_fqdn']
-    cloud[:public_hostname] = azure['public_fqdn']
-    cloud[:public_ssh_port] = azure['public_ssh_port'] if azure['public_ssh_port']
-    cloud[:public_winrm_port] = azure['public_winrm_port'] if azure['public_winrm_port']
+    cloud[:public_ips] << azure["public_ip"]
+    cloud[:public_ipv4] = azure["public_ip"]
+    cloud[:public_fqdn] = azure["public_fqdn"]
+    cloud[:public_hostname] = azure["public_fqdn"]
+    cloud[:public_ssh_port] = azure["public_ssh_port"] if azure["public_ssh_port"]
+    cloud[:public_winrm_port] = azure["public_winrm_port"] if azure["public_winrm_port"]
     cloud[:provider] = "azure"
   end
 
@@ -232,17 +232,17 @@ Ohai.plugin(:Cloud) do
 
   # Fill cloud hash with linode values
   def get_digital_ocean_values
-    public_ipv4 = digital_ocean['networks']['v4'].select {|address| address['type'] == 'public'}
-    private_ipv4 = digital_ocean['networks']['v4'].select {|address| address['type'] == 'private'}
-    public_ipv6 = digital_ocean['networks']['v6'].select {|address| address['type'] == 'public'}
-    private_ipv6 = digital_ocean['networks']['v6'].select {|address| address['type'] == 'private'}
-    cloud[:public_ips].concat public_ipv4+public_ipv6
-    cloud[:private_ips].concat private_ipv4+private_ipv6
+    public_ipv4 = digital_ocean["networks"]["v4"].select { |address| address["type"] == "public" }
+    private_ipv4 = digital_ocean["networks"]["v4"].select { |address| address["type"] == "private" }
+    public_ipv6 = digital_ocean["networks"]["v6"].select { |address| address["type"] == "public" }
+    private_ipv6 = digital_ocean["networks"]["v6"].select { |address| address["type"] == "private" }
+    cloud[:public_ips].concat public_ipv4 + public_ipv6
+    cloud[:private_ips].concat private_ipv4 + private_ipv6
     cloud[:public_ipv4] = public_ipv4.first
     cloud[:public_ipv6] = public_ipv6.first
     cloud[:local_ipv4] = private_ipv4.first
     cloud[:local_ipv6] = private_ipv6.first
-    cloud[:public_hostname] = digital_ocean['name']
+    cloud[:public_hostname] = digital_ocean["name"]
     cloud[:provider] = "digital_ocean"
   end
 
@@ -261,15 +261,14 @@ Ohai.plugin(:Cloud) do
 
   # Fill cloud hash with softlayer values
   def get_softlayer_values
-    cloud[:public_ipv4] = softlayer['public_ipv4']
-    cloud[:local_ipv4] = softlayer['local_ipv4']
-    cloud[:public_ips] << softlayer['public_ipv4'] if softlayer['public_ipv4']
-    cloud[:private_ips] << softlayer['local_ipv4'] if softlayer['local_ipv4']
-    cloud[:public_hostname] = softlayer['public_fqdn']
-    cloud[:provider] = 'softlayer'
+    cloud[:public_ipv4] = softlayer["public_ipv4"]
+    cloud[:local_ipv4] = softlayer["local_ipv4"]
+    cloud[:public_ips] << softlayer["public_ipv4"] if softlayer["public_ipv4"]
+    cloud[:private_ips] << softlayer["local_ipv4"] if softlayer["local_ipv4"]
+    cloud[:public_hostname] = softlayer["public_fqdn"]
+    cloud[:provider] = "softlayer"
   end
 
-
   collect_data do
     # setup gce cloud
     if on_gce?
diff --git a/lib/ohai/plugins/cloud_v2.rb b/lib/ohai/plugins/cloud_v2.rb
index ceee89a3..7c3f3b1a 100644
--- a/lib/ohai/plugins/cloud_v2.rb
+++ b/lib/ohai/plugins/cloud_v2.rb
@@ -113,7 +113,6 @@ Ohai.plugin(:CloudV2) do
     end
   end
 
-
   #---------------------------------------
   # Google Compute Engine (gce)
   #--------------------------------------
@@ -123,19 +122,19 @@ Ohai.plugin(:CloudV2) do
   end
 
   def get_gce_values
-    public_ips = gce['instance']['networkInterfaces'].collect do |interface|
-      if interface.has_key?('accessConfigs')
-        interface['accessConfigs'].collect{|ac| ac['externalIp'] unless ac['externalIp'] == ''}
+    public_ips = gce["instance"]["networkInterfaces"].collect do |interface|
+      if interface.has_key?("accessConfigs")
+        interface["accessConfigs"].collect { |ac| ac["externalIp"] unless ac["externalIp"] == "" }
       end
     end.flatten.compact
 
-    private_ips = gce['instance']['networkInterfaces'].collect do |interface|
-      interface['ip']
+    private_ips = gce["instance"]["networkInterfaces"].collect do |interface|
+      interface["ip"]
     end.compact
 
-    public_ips.each { |ipaddr|  @cloud_attr_obj.add_ipv4_addr(ipaddr, :public) }
-    private_ips.each { |ipaddr|  @cloud_attr_obj.add_ipv4_addr(ipaddr, :private) }
-    @cloud_attr_obj.local_hostname = gce['instance']['hostname']
+    public_ips.each { |ipaddr| @cloud_attr_obj.add_ipv4_addr(ipaddr, :public) }
+    private_ips.each { |ipaddr| @cloud_attr_obj.add_ipv4_addr(ipaddr, :private) }
+    @cloud_attr_obj.local_hostname = gce["instance"]["hostname"]
     @cloud_attr_obj.provider = "gce"
   end
 
@@ -154,10 +153,10 @@ Ohai.plugin(:CloudV2) do
 
   # Fill cloud hash with ec2 values
   def get_ec2_values
-    @cloud_attr_obj.add_ipv4_addr(ec2['public_ipv4'], :public)
-    @cloud_attr_obj.add_ipv4_addr(ec2['local_ipv4'], :private)
-    @cloud_attr_obj.public_hostname = ec2['public_hostname']
-    @cloud_attr_obj.local_hostname = ec2['local_hostname']
+    @cloud_attr_obj.add_ipv4_addr(ec2["public_ipv4"], :public)
+    @cloud_attr_obj.add_ipv4_addr(ec2["local_ipv4"], :private)
+    @cloud_attr_obj.public_hostname = ec2["public_hostname"]
+    @cloud_attr_obj.local_hostname = ec2["local_hostname"]
     @cloud_attr_obj.provider = "ec2"
   end
 
@@ -176,12 +175,12 @@ Ohai.plugin(:CloudV2) do
 
   # Fill cloud hash with rackspace values
   def get_rackspace_values
-    @cloud_attr_obj.add_ipv4_addr(rackspace['public_ipv4'], :public)
-    @cloud_attr_obj.add_ipv4_addr(rackspace['local_ipv4'], :private)
-    @cloud_attr_obj.add_ipv6_addr(rackspace['public_ipv6'], :public)
-    @cloud_attr_obj.add_ipv6_addr(rackspace['local_ipv6'], :private)
-    @cloud_attr_obj.public_hostname = rackspace['public_hostname']
-    @cloud_attr_obj.local_hostname = rackspace['local_hostname']
+    @cloud_attr_obj.add_ipv4_addr(rackspace["public_ipv4"], :public)
+    @cloud_attr_obj.add_ipv4_addr(rackspace["local_ipv4"], :private)
+    @cloud_attr_obj.add_ipv6_addr(rackspace["public_ipv6"], :public)
+    @cloud_attr_obj.add_ipv6_addr(rackspace["local_ipv6"], :private)
+    @cloud_attr_obj.public_hostname = rackspace["public_hostname"]
+    @cloud_attr_obj.local_hostname = rackspace["local_hostname"]
     @cloud_attr_obj.provider = "rackspace"
   end
 
@@ -200,10 +199,10 @@ Ohai.plugin(:CloudV2) do
 
   # Fill cloud hash with linode values
   def get_linode_values
-    @cloud_attr_obj.add_ipv4_addr(linode['public_ip'], :public)
-    @cloud_attr_obj.add_ipv4_addr(linode['private_ip'], :private)
-    @cloud_attr_obj.public_hostname = linode['public_hostname']
-    @cloud_attr_obj.local_hostname = linode['local_hostname']
+    @cloud_attr_obj.add_ipv4_addr(linode["public_ip"], :public)
+    @cloud_attr_obj.add_ipv4_addr(linode["private_ip"], :private)
+    @cloud_attr_obj.public_hostname = linode["public_hostname"]
+    @cloud_attr_obj.local_hostname = linode["local_hostname"]
     @cloud_attr_obj.provider = "linode"
   end
 
@@ -221,10 +220,10 @@ Ohai.plugin(:CloudV2) do
   end
 
   def get_eucalyptus_values
-    @cloud_attr_obj.add_ipv4_addr(eucalyptus['public_ipv4'], :public)
-    @cloud_attr_obj.add_ipv4_addr(eucalyptus['local_ipv4'], :private)
-    @cloud_attr_obj.public_hostname = eucalyptus['public_hostname']
-    @cloud_attr_obj.local_hostname = eucalyptus['local_hostname']
+    @cloud_attr_obj.add_ipv4_addr(eucalyptus["public_ipv4"], :public)
+    @cloud_attr_obj.add_ipv4_addr(eucalyptus["local_ipv4"], :private)
+    @cloud_attr_obj.public_hostname = eucalyptus["public_hostname"]
+    @cloud_attr_obj.local_hostname = eucalyptus["local_hostname"]
     @cloud_attr_obj.provider = "eucalyptus"
   end
 
@@ -243,10 +242,10 @@ Ohai.plugin(:CloudV2) do
 
   # Fill cloud hash with openstack values
   def get_openstack_values
-    @cloud_attr_obj.add_ipv4_addr(openstack['public_ipv4'], :public)
-    @cloud_attr_obj.add_ipv4_addr(openstack['local_ipv4'], :private)
-    @cloud_attr_obj.public_hostname = openstack['public_hostname']
-    @cloud_attr_obj.local_hostname = openstack['local_hostname']
+    @cloud_attr_obj.add_ipv4_addr(openstack["public_ipv4"], :public)
+    @cloud_attr_obj.add_ipv4_addr(openstack["local_ipv4"], :private)
+    @cloud_attr_obj.public_hostname = openstack["public_hostname"]
+    @cloud_attr_obj.local_hostname = openstack["local_hostname"]
     @cloud_attr_obj.provider = "openstack"
   end
 
@@ -265,13 +264,12 @@ Ohai.plugin(:CloudV2) do
 
   # Fill cloud hash with azure values
   def get_azure_values
-    @cloud_attr_obj.add_ipv4_addr(azure['public_ip'], :public)
-    @cloud_attr_obj.add_ipv4_addr(azure['private_ip'], :private)
-    @cloud_attr_obj.public_hostname = azure['public_fqdn']
+    @cloud_attr_obj.add_ipv4_addr(azure["public_ip"], :public)
+    @cloud_attr_obj.add_ipv4_addr(azure["private_ip"], :private)
+    @cloud_attr_obj.public_hostname = azure["public_fqdn"]
     @cloud_attr_obj.provider = "azure"
   end
 
-
   # ----------------------------------------
   # digital_ocean
   # ----------------------------------------
@@ -287,13 +285,13 @@ Ohai.plugin(:CloudV2) do
 
   # Fill cloud hash with digital_ocean values
   def get_digital_ocean_values
-    digital_ocean['networks'].each do |network, addresses|
-      type = network == 'v4' ? 'ipv4' : 'ipv6'
+    digital_ocean["networks"].each do |network, addresses|
+      type = network == "v4" ? "ipv4" : "ipv6"
       addresses.each do |address|
-        @cloud_attr_obj.send("add_#{type}_addr", address['ip_address'], address['type'].to_sym)
+        @cloud_attr_obj.send("add_#{type}_addr", address["ip_address"], address["type"].to_sym)
       end
     end
-    @cloud_attr_obj.public_hostname = digital_ocean['name']
+    @cloud_attr_obj.public_hostname = digital_ocean["name"]
     @cloud_attr_obj.provider = "digital_ocean"
   end
 
diff --git a/lib/ohai/plugins/darwin/cpu.rb b/lib/ohai/plugins/darwin/cpu.rb
index 4e218921..baa72836 100644
--- a/lib/ohai/plugins/darwin/cpu.rb
+++ b/lib/ohai/plugins/darwin/cpu.rb
@@ -41,6 +41,6 @@ Ohai.plugin(:CPU) do
     so = shell_out("sysctl -n machdep.cpu.stepping")
     cpu[:stepping] = so.stdout.to_i
     so = shell_out("sysctl -n machdep.cpu.features")
-    cpu[:flags] = so.stdout.downcase.split(' ')
+    cpu[:flags] = so.stdout.downcase.split(" ")
   end
 end
diff --git a/lib/ohai/plugins/darwin/filesystem2.rb b/lib/ohai/plugins/darwin/filesystem2.rb
index 25b9009a..45b41e18 100644
--- a/lib/ohai/plugins/darwin/filesystem2.rb
+++ b/lib/ohai/plugins/darwin/filesystem2.rb
@@ -26,7 +26,7 @@ Ohai.plugin(:Filesystem2) do
     fs.each_value do |entry|
       view[entry[:device]] = Mash.new unless view[entry[:device]]
       entry.each do |key, val|
-        next if ['device', 'mount'].include?(key)
+        next if %w{device mount}.include?(key)
         view[entry[:device]][key] = val
       end
       if entry[:mount]
@@ -43,7 +43,7 @@ Ohai.plugin(:Filesystem2) do
       next unless entry[:mount]
       view[entry[:mount]] = Mash.new unless view[entry[:mount]]
       entry.each do |key, val|
-        next if ['mount', 'device'].include?(key)
+        next if %w{mount device}.include?(key)
         view[entry[:mount]][key] = val
       end
       if entry[:device]
@@ -98,9 +98,9 @@ Ohai.plugin(:Filesystem2) do
     by_mountpoint = generate_mountpoint_view(fs)
 
     fs2 = Mash.new
-    fs2['by_device'] = by_device
-    fs2['by_mountpoint'] = by_mountpoint
-    fs2['by_pair'] = by_pair
+    fs2["by_device"] = by_device
+    fs2["by_mountpoint"] = by_mountpoint
+    fs2["by_pair"] = by_pair
 
     filesystem2 fs2
   end
diff --git a/lib/ohai/plugins/darwin/memory.rb b/lib/ohai/plugins/darwin/memory.rb
index 64494666..ec1bae95 100644
--- a/lib/ohai/plugins/darwin/memory.rb
+++ b/lib/ohai/plugins/darwin/memory.rb
@@ -17,7 +17,7 @@
 #
 
 Ohai.plugin(:Memory) do
-  provides 'memory'
+  provides "memory"
 
   collect_data(:darwin) do
     memory Mash.new
@@ -37,17 +37,17 @@ Ohai.plugin(:Memory) do
                 end
 
     vm_stat.split("\n").each do |line|
-      ['wired down', 'active', 'inactive'].each do |match|
+      ["wired down", "active", "inactive"].each do |match|
         unless line.index("Pages #{match}:").nil?
           pages = line.split.last.to_i
           megabyte_val = (pages * page_size) / 1024 / 1024.0
           total_consumed += megabyte_val
           case match
-          when 'wired down'
+          when "wired down"
             active += megabyte_val.to_i
-          when 'active'
+          when "active"
             active += megabyte_val.to_i
-          when 'inactive'
+          when "inactive"
             inactive += megabyte_val.to_i
           end
         end
@@ -61,4 +61,3 @@ Ohai.plugin(:Memory) do
     memory[:free] = "#{free_memory.to_i}MB" if total_consumed > 0
   end
 end
-
diff --git a/lib/ohai/plugins/darwin/network.rb b/lib/ohai/plugins/darwin/network.rb
index 91454014..52febfce 100644
--- a/lib/ohai/plugins/darwin/network.rb
+++ b/lib/ohai/plugins/darwin/network.rb
@@ -22,7 +22,7 @@ Ohai.plugin(:Network) do
 
   def parse_media(media_string)
     media = Hash.new
-    line_array = media_string.split(' ')
+    line_array = media_string.split(" ")
 
     0.upto(line_array.length - 1) do |i|
       unless line_array[i].eql?("none")
@@ -67,7 +67,7 @@ Ohai.plugin(:Network) do
   end
 
   def excluded_setting?(setting)
-    setting.match('_sw_cksum')
+    setting.match("_sw_cksum")
   end
 
   def locate_interface(ifaces, ifname, mac)
@@ -84,7 +84,7 @@ Ohai.plugin(:Network) do
   end
 
   collect_data(:darwin) do
-    require 'scanf'
+    require "scanf"
 
     network Mash.new unless network
     network[:interfaces] = Mash.new unless network[:interfaces]
@@ -112,7 +112,7 @@ Ohai.plugin(:Network) do
         iface[cint] = Mash.new unless iface[cint]; iface[cint][:addresses] = Mash.new unless iface[cint][:addresses]
         iface[cint][:mtu] = $2
         if line =~ /\sflags\=\d+\<((UP|BROADCAST|DEBUG|SMART|SIMPLEX|LOOPBACK|POINTOPOINT|NOTRAILERS|RUNNING|NOARP|PROMISC|ALLMULTI|SLAVE|MASTER|MULTICAST|DYNAMIC|,)+)\>\s/
-          flags = $1.split(',')
+          flags = $1.split(",")
         else
           flags = Array.new
         end
@@ -134,11 +134,11 @@ Ohai.plugin(:Network) do
       end
       if line =~ /\s+inet (\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}) netmask 0x(([0-9a-f]){1,8})\s*$/
         iface[cint][:addresses] = Mash.new unless iface[cint][:addresses]
-        iface[cint][:addresses][$1] = { "family" => "inet", "netmask" => $2.scanf('%2x'*4)*"."}
+        iface[cint][:addresses][$1] = { "family" => "inet", "netmask" => $2.scanf("%2x" * 4) * "." }
       end
       if line =~ /\s+inet (\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}) netmask 0x(([0-9a-f]){1,8}) broadcast (\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})/
         iface[cint][:addresses] = Mash.new unless iface[cint][:addresses]
-        iface[cint][:addresses][$1] = { "family" => "inet", "netmask" => $2.scanf('%2x'*4)*".", "broadcast" => $4 }
+        iface[cint][:addresses][$1] = { "family" => "inet", "netmask" => $2.scanf("%2x" * 4) * ".", "broadcast" => $4 }
       end
       if line =~ /\s+inet6 ([a-f0-9\:]+)(\s*|(\%[a-z0-9]+)\s*) prefixlen (\d+)\s*/
         iface[cint][:addresses] = Mash.new unless iface[cint][:addresses]
@@ -185,12 +185,12 @@ Ohai.plugin(:Network) do
     so = shell_out("netstat -i -d -l -b -n")
     so.stdout.lines do |line|
       if line =~ /^([a-zA-Z0-9\.\:\-\*]+)\s+\d+\s+\<[a-zA-Z0-9\#]+\>\s+([a-f0-9\:]+)\s+(\d+)\s+(\d+)\s+(\d+)\s+(\d+)\s+(\d+)\s+(\d+)\s+(\d+)/ ||
-          line =~ /^([a-zA-Z0-9\.\:\-\*]+)\s+\d+\s+\<[a-zA-Z0-9\#]+\>(\s+)(\d+)\s+(\d+)\s+(\d+)\s+(\d+)\s+(\d+)\s+(\d+)\s+(\d+)/
+         line =~ /^([a-zA-Z0-9\.\:\-\*]+)\s+\d+\s+\<[a-zA-Z0-9\#]+\>(\s+)(\d+)\s+(\d+)\s+(\d+)\s+(\d+)\s+(\d+)\s+(\d+)\s+(\d+)/
         ifname = locate_interface(iface, $1, $2)
         next if iface[ifname].nil? # this shouldn't happen, but just in case
         net_counters[ifname] = Mash.new unless net_counters[ifname]
         net_counters[ifname] = { :rx => { :bytes => $5, :packets => $3, :errors => $4, :drop => 0, :overrun => 0, :frame => 0, :compressed => 0, :multicast => 0 },
-          :tx => { :bytes => $8, :packets => $6, :errors => $7, :drop => 0, :overrun => 0, :collisions => $9, :carrier => 0, :compressed => 0 }
+                                 :tx => { :bytes => $8, :packets => $6, :errors => $7, :drop => 0, :overrun => 0, :collisions => $9, :carrier => 0, :compressed => 0 },
         }
       end
     end
diff --git a/lib/ohai/plugins/darwin/system_profiler.rb b/lib/ohai/plugins/darwin/system_profiler.rb
index 59f7e2ab..ad67320e 100644
--- a/lib/ohai/plugins/darwin/system_profiler.rb
+++ b/lib/ohai/plugins/darwin/system_profiler.rb
@@ -21,51 +21,50 @@ Ohai.plugin(:SystemProfile) do
 
   collect_data(:darwin) do
     begin
-      require 'plist'
+      require "plist"
 
       system_profile Array.new
-      items =  Array.new
+      items = Array.new
       detail_level = {
-        'mini' => [
-                   "SPParallelATAData",
-                   "SPAudioData",
-                   "SPBluetoothData",
-                   "SPCardReaderData",
-                   "SPDiagnosticsData",
-                   "SPDiscBurningData",
-                   "SPEthernetData",
-                   "SPFibreChannelData",
-                   "SPFireWireData",
-                   "SPDisplaysData",
-                   "SPHardwareRAIDData",
-                   "SPMemoryData",
-                   "SPModemData",
-                   "SPNetworkData",
-                   "SPPCIData",
-                   "SPParallelSCSIData",
-                   "SPPrintersSoftwareData",
-                   "SPPrintersData",
-                   "SPSASData",
-                   "SPSerialATAData",
-                   "SPSoftwareData",
-                   "SPThunderboltData",
-                   "SPUSBData",
-                   "SPWWANData",
-                   "SPAirPortData"
-                  ],
-        'full' => [
+        "mini" => %w{
+SPParallelATAData
+SPAudioData
+SPBluetoothData
+SPCardReaderData
+SPDiagnosticsData
+SPDiscBurningData
+SPEthernetData
+SPFibreChannelData
+SPFireWireData
+SPDisplaysData
+SPHardwareRAIDData
+SPMemoryData
+SPModemData
+SPNetworkData
+SPPCIData
+SPParallelSCSIData
+SPPrintersSoftwareData
+SPPrintersData
+SPSASData
+SPSerialATAData
+SPSoftwareData
+SPThunderboltData
+SPUSBData
+SPWWANData
+SPAirPortData},
+        "full" => [
                    "SPHardwareDataType"
-                  ]
+                  ],
       }
 
       detail_level.each do |level, data_types|
         so = shell_out("system_profiler -xml -detailLevel #{level} #{data_types.join(' ')}")
-        Plist::parse_xml(so.stdout).each do |e|
+        Plist.parse_xml(so.stdout).each do |e|
           items << e
         end
       end
 
-      system_profile items.sort_by { |h| h['_dataType'] }
+      system_profile items.sort_by { |h| h["_dataType"] }
     rescue LoadError => e
       Ohai::Log.debug("Can't load gem: #{e})")
     end
diff --git a/lib/ohai/plugins/darwin/virtualization.rb b/lib/ohai/plugins/darwin/virtualization.rb
index b586d47b..2bad7152 100644
--- a/lib/ohai/plugins/darwin/virtualization.rb
+++ b/lib/ohai/plugins/darwin/virtualization.rb
@@ -16,7 +16,7 @@
 # limitations under the License.
 #
 
-require 'ohai/util/file_helper'
+require "ohai/util/file_helper"
 
 include Ohai::Util::FileHelper
 
@@ -24,11 +24,11 @@ Ohai.plugin(:Virtualization) do
   provides "virtualization"
 
   def prlctl_exists?
-    which('prlctl')
+    which("prlctl")
   end
 
   def ioreg_exists?
-    which('ioreg')
+    which("ioreg")
   end
 
   collect_data(:darwin) do
@@ -36,18 +36,18 @@ Ohai.plugin(:Virtualization) do
     virtualization[:systems] = Mash.new unless virtualization[:systems]
 
     if prlctl_exists?
-      virtualization[:system] = 'parallels'
-      virtualization[:role] = 'host'
-      virtualization[:systems][:parallels] = 'host'
+      virtualization[:system] = "parallels"
+      virtualization[:role] = "host"
+      virtualization[:systems][:parallels] = "host"
     end
 
     # Detect Parallels virtual machine from pci devices
     if ioreg_exists?
       so = shell_out("ioreg -l")
       if so.stdout =~ /pci1ab8,4000/
-        virtualization[:system] = 'parallels'
-        virtualization[:role] = 'guest'
-        virtualization[:systems][:parallels] = 'guest'
+        virtualization[:system] = "parallels"
+        virtualization[:role] = "guest"
+        virtualization[:systems][:parallels] = "guest"
       end
     end
   end
diff --git a/lib/ohai/plugins/digital_ocean.rb b/lib/ohai/plugins/digital_ocean.rb
index abc5f853..a9414c41 100644
--- a/lib/ohai/plugins/digital_ocean.rb
+++ b/lib/ohai/plugins/digital_ocean.rb
@@ -14,21 +14,21 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-require 'ohai/util/ip_helper'
+require "ohai/util/ip_helper"
 
 Ohai.plugin(:DigitalOcean) do
   include Ohai::Util::IpHelper
 
-  DIGITALOCEAN_FILE = '/etc/digitalocean' unless defined?(DIGITALOCEAN_FILE)
+  DIGITALOCEAN_FILE = "/etc/digitalocean" unless defined?(DIGITALOCEAN_FILE)
 
   provides "digital_ocean"
   depends "network/interfaces"
 
   def extract_droplet_ip_addresses
-    addresses = Mash.new({'v4' => [], 'v6' => []})
+    addresses = Mash.new({ "v4" => [], "v6" => [] })
     network[:interfaces].each_value do |iface|
       iface[:addresses].each do |address, details|
-        next if loopback?(address) || details[:family] == 'lladdr'
+        next if loopback?(address) || details[:family] == "lladdr"
 
         ip = IPAddress(address)
         type = digital_ocean_address_type(ip)
@@ -41,32 +41,32 @@ Ohai.plugin(:DigitalOcean) do
 
   def build_address_hash(ip, details)
     address_hash = Mash.new({
-      'ip_address' => ip.address,
-      'type' => private_address?(ip.address) ? 'private' : 'public'
-    })
+      "ip_address" => ip.address,
+      "type" => private_address?(ip.address) ? "private" : "public",
+    },)
 
     if ip.ipv4?
-      address_hash['netmask'] = details[:netmask]
+      address_hash["netmask"] = details[:netmask]
     elsif ip.ipv6?
-      address_hash['cidr'] = ip.prefix
+      address_hash["cidr"] = ip.prefix
     end
     address_hash
   end
 
   def digital_ocean_address_type(ip)
-    ip.ipv4? ? 'v4' : 'v6'
+    ip.ipv4? ? "v4" : "v6"
   end
 
   def looks_like_digital_ocean?
-    hint?('digital_ocean') || File.exist?(DIGITALOCEAN_FILE)
+    hint?("digital_ocean") || File.exist?(DIGITALOCEAN_FILE)
   end
 
   collect_data do
     if looks_like_digital_ocean?
       Ohai::Log.debug("digitalocean plugin: looks_like_digital_ocean? == true")
       digital_ocean Mash.new
-      hint = hint?('digital_ocean') || {}
-      hint.each {|k, v| digital_ocean[k] = v unless k == 'ip_addresses'}
+      hint = hint?("digital_ocean") || {}
+      hint.each { |k, v| digital_ocean[k] = v unless k == "ip_addresses" }
 
       # Extract actual ip addresses
       # The networks sub-hash is structured similarly to how
diff --git a/lib/ohai/plugins/dmi.rb b/lib/ohai/plugins/dmi.rb
index e2349339..9fb019ef 100644
--- a/lib/ohai/plugins/dmi.rb
+++ b/lib/ohai/plugins/dmi.rb
@@ -6,9 +6,9 @@
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at
-# 
+#
 #     http://www.apache.org/licenses/LICENSE-2.0
-# 
+#
 # Unless required by applicable law or agreed to in writing, software
 # distributed under the License is distributed on an "AS IS" BASIS,
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
@@ -22,7 +22,7 @@ Ohai.plugin(:DMI) do
   # dmidecode does not return data without access to /dev/mem (or its equivalent)
 
   collect_data do
-    require 'ohai/common/dmi'
+    require "ohai/common/dmi"
     dmi Mash.new
 
     # all output lines should fall within one of these patterns
@@ -49,7 +49,7 @@ Ohai.plugin(:DMI) do
     #Handle 0x0000, DMI type 0, 24 bytes
     #BIOS Information
     #        Vendor: American Megatrends Inc.
-    #        Version: 080012 
+    #        Version: 080012
     # ... similar lines trimmed
     #        Characteristics:
     #                ISA is supported
@@ -80,7 +80,7 @@ Ohai.plugin(:DMI) do
           next
         end
 
-        dmi_record = {:type => Ohai::Common::DMI.id_lookup(handle[2])}
+        dmi_record = { :type => Ohai::Common::DMI.id_lookup(handle[2]) }
 
         dmi[dmi_record[:type]] = Mash.new unless dmi.has_key?(dmi_record[:type])
         dmi[dmi_record[:type]][:all_records] = [] unless dmi[dmi_record[:type]].has_key?(:all_records)
@@ -115,7 +115,7 @@ Ohai.plugin(:DMI) do
           next
         end
         # overwrite "raw" value with a new Mash
-        dmi[dmi_record[:type]][:all_records][dmi_record[:position]][field] = Mash.new unless dmi[dmi_record[:type]][:all_records][dmi_record[:position]][field].class.to_s == 'Mash'
+        dmi[dmi_record[:type]][:all_records][dmi_record[:position]][field] = Mash.new unless dmi[dmi_record[:type]][:all_records][dmi_record[:position]][field].class.to_s == "Mash"
         dmi[dmi_record[:type]][:all_records][dmi_record[:position]][field][extended_data[1]] = nil
 
       else
diff --git a/lib/ohai/plugins/dragonflybsd/cpu.rb b/lib/ohai/plugins/dragonflybsd/cpu.rb
index feccd249..c9f49a86 100644
--- a/lib/ohai/plugins/dragonflybsd/cpu.rb
+++ b/lib/ohai/plugins/dragonflybsd/cpu.rb
@@ -44,10 +44,10 @@ Ohai.plugin(:CPU) do
         cpuinfo["stepping"] = $3
         # These _should_ match /AMD Features2?/ lines as well
       when /Features=.+<(.+)>/
-        cpuinfo["flags"].concat($1.downcase.split(','))
+        cpuinfo["flags"].concat($1.downcase.split(","))
         # Features2=0x80000001<SSE3,<b31>>
       when /Features2=[a-f\dx]+<(.+)>/
-        cpuinfo["flags"].concat($1.downcase.split(','))
+        cpuinfo["flags"].concat($1.downcase.split(","))
       end
     end
 
diff --git a/lib/ohai/plugins/dragonflybsd/memory.rb b/lib/ohai/plugins/dragonflybsd/memory.rb
index 47618698..a4ff7165 100644
--- a/lib/ohai/plugins/dragonflybsd/memory.rb
+++ b/lib/ohai/plugins/dragonflybsd/memory.rb
@@ -57,4 +57,3 @@ Ohai.plugin(:Memory) do
     end
   end
 end
-
diff --git a/lib/ohai/plugins/dragonflybsd/network.rb b/lib/ohai/plugins/dragonflybsd/network.rb
index cc80903a..48d2ecdc 100644
--- a/lib/ohai/plugins/dragonflybsd/network.rb
+++ b/lib/ohai/plugins/dragonflybsd/network.rb
@@ -58,7 +58,7 @@ Ohai.plugin(:Network) do
       if line =~ /\s+inet ([\d.]+) netmask ([\da-fx]+)\s*\w*\s*([\d.]*)/
         iface[cint][:addresses] = Mash.new unless iface[cint][:addresses]
         # convert the netmask to decimal for consistency
-        netmask = "#{$2[2,2].hex}.#{$2[4,2].hex}.#{$2[6,2].hex}.#{$2[8,2].hex}"
+        netmask = "#{$2[2, 2].hex}.#{$2[4, 2].hex}.#{$2[6, 2].hex}.#{$2[8, 2].hex}"
         if $3.empty?
           iface[cint][:addresses][$1] = { "family" => "inet", "netmask" => netmask }
         else
@@ -76,7 +76,7 @@ Ohai.plugin(:Network) do
         end
       end
       if line =~ /flags=\d+<(.+)>/
-        flags = $1.split(',')
+        flags = $1.split(",")
         iface[cint][:flags] = flags if flags.length > 0
       end
       if line =~ /metric: (\d+) mtu: (\d+)/
@@ -100,11 +100,11 @@ Ohai.plugin(:Network) do
     # From netstat(1), not sure of the implications:
     # Show the state of all network interfaces or a single interface
     # which have been auto-configured (interfaces statically configured
-    # into a system, but not located at boot time are not shown). 
+    # into a system, but not located at boot time are not shown).
     so = shell_out("netstat -ibdn")
     so.stdout.lines do |line|
       # Name    Mtu Network       Address              Ipkts Ierrs     Ibytes    Opkts Oerrs     Obytes  Coll Drop
-      # ed0    1500 <Link#1>      54:52:00:68:92:85   333604    26  151905886   175472     0   24897542     0  905 
+      # ed0    1500 <Link#1>      54:52:00:68:92:85   333604    26  151905886   175472     0   24897542     0  905
       # $1                        $2                      $3    $4         $5       $6    $7         $8    $9  $10
       if line =~ /^([\w\.\*]+)\s+\d+\s+<Link#\d+>\s+([\w:]*)\s*(\d+)\s+(\d+)\s+(\d+)\s+(\d+)\s+(\d+)\s+(\d+)\s+(\d+)\s+(\d+)/
         net_counters[$1] = Mash.new unless net_counters[$1]
diff --git a/lib/ohai/plugins/dragonflybsd/os.rb b/lib/ohai/plugins/dragonflybsd/os.rb
index 94977e52..836ee25f 100644
--- a/lib/ohai/plugins/dragonflybsd/os.rb
+++ b/lib/ohai/plugins/dragonflybsd/os.rb
@@ -18,7 +18,7 @@
 # limitations under the License.
 #
 
-require 'ohai/mixin/os'
+require "ohai/mixin/os"
 
 Ohai.plugin(:OS) do
   provides "os", "os_version"
diff --git a/lib/ohai/plugins/ec2.rb b/lib/ohai/plugins/ec2.rb
index 77f35e5e..769ea9c2 100644
--- a/lib/ohai/plugins/ec2.rb
+++ b/lib/ohai/plugins/ec2.rb
@@ -17,8 +17,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-require 'ohai/mixin/ec2_metadata'
-require 'base64'
+require "ohai/mixin/ec2_metadata"
+require "base64"
 
 Ohai.plugin(:EC2) do
   include Ohai::Mixin::Ec2Metadata
@@ -30,7 +30,7 @@ Ohai.plugin(:EC2) do
 
   # look for ec2metadata which is included on paravirt / hvm AMIs
   def has_ec2metadata_bin?
-    if File.exist?('/usr/bin/ec2metadata')
+    if File.exist?("/usr/bin/ec2metadata")
       Ohai::Log.debug("ec2 plugin: has_ec2metadata_bin? == true")
       true
     else
@@ -75,11 +75,11 @@ EOM
   end
 
   def looks_like_ec2?
-    return true if hint?('ec2')
+    return true if hint?("ec2")
 
     # if has ec2 mac try non-blocking connect so we don't "block" if
     # the Xen environment is *not* EC2
-    return true if (has_ec2metadata_bin? || has_ec2_dmi?) || (has_xen_mac? && can_metadata_connect?(Ohai::Mixin::Ec2Metadata::EC2_METADATA_ADDR,80))
+    return true if (has_ec2metadata_bin? || has_ec2_dmi?) || (has_xen_mac? && can_metadata_connect?(Ohai::Mixin::Ec2Metadata::EC2_METADATA_ADDR, 80))
   end
 
   collect_data do
@@ -91,7 +91,7 @@ EOM
         # secret access key. We'd rather not have ohai send this information
         # to the server.
         # http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/AESDG-chapter-instancedata.html#instancedata-data-categories
-        next if k == 'iam' && !hint?('iam')
+        next if k == "iam" && !hint?("iam")
         ec2[k] = v
       end
       ec2[:userdata] = self.fetch_userdata
diff --git a/lib/ohai/plugins/elixir.rb b/lib/ohai/plugins/elixir.rb
index 1beca40b..2733b3c2 100644
--- a/lib/ohai/plugins/elixir.rb
+++ b/lib/ohai/plugins/elixir.rb
@@ -24,7 +24,7 @@ Ohai.plugin(:Elixir) do
     elixir = Mash.new
     so = shell_out("elixir -v")
     if so.exitstatus == 0
-      output =  so.stdout.split
+      output = so.stdout.split
       elixir[:version] = output[1]
       languages[:elixir] = elixir if elixir[:version]
     end
diff --git a/lib/ohai/plugins/erlang.rb b/lib/ohai/plugins/erlang.rb
index 26179fde..f9356fd3 100644
--- a/lib/ohai/plugins/erlang.rb
+++ b/lib/ohai/plugins/erlang.rb
@@ -30,10 +30,10 @@ Ohai.plugin(:Erlang) do
       output = so.stderr.split
       if output.length >= 6
         options = output[1]
-        options.gsub!(/(\(|\))/, '')
+        options.gsub!(/(\(|\))/, "")
         erlang[:version] = output[5]
-        erlang[:options] = options.split(',')
-        erlang[:emulator] = output[2].gsub!(/(\(|\))/, '')
+        erlang[:options] = options.split(",")
+        erlang[:emulator] = output[2].gsub!(/(\(|\))/, "")
         if erlang[:version] and erlang[:options] and erlang[:emulator]
           languages[:erlang] = erlang
         end
diff --git a/lib/ohai/plugins/eucalyptus.rb b/lib/ohai/plugins/eucalyptus.rb
index 0a0c0b4b..6fd427c5 100644
--- a/lib/ohai/plugins/eucalyptus.rb
+++ b/lib/ohai/plugins/eucalyptus.rb
@@ -18,7 +18,7 @@
 # limitations under the License.
 
 # eucalyptus metadata service is compatible with the ec2 service calls
-require 'ohai/mixin/ec2_metadata'
+require "ohai/mixin/ec2_metadata"
 
 Ohai.plugin(:Eucalyptus) do
   include Ohai::Mixin::Ec2Metadata
@@ -28,7 +28,7 @@ Ohai.plugin(:Eucalyptus) do
 
   # returns the mac address from the collection of all address types
   def get_mac_address(addresses)
-    detected_addresses = addresses.detect { |address, keypair| keypair == {"family"=>"lladdr"} }
+    detected_addresses = addresses.detect { |address, keypair| keypair == { "family" => "lladdr" } }
     if detected_addresses
       return detected_addresses.first
     else
@@ -53,7 +53,7 @@ Ohai.plugin(:Eucalyptus) do
   def looks_like_euca?
     # Try non-blocking connect so we don't "block" if
     # the metadata service doesn't respond
-    hint?('eucalyptus') || has_euca_mac? && can_metadata_connect?(Ohai::Mixin::Ec2Metadata::EC2_METADATA_ADDR,80)
+    hint?("eucalyptus") || has_euca_mac? && can_metadata_connect?(Ohai::Mixin::Ec2Metadata::EC2_METADATA_ADDR, 80)
   end
 
   collect_data do
@@ -68,7 +68,7 @@ Ohai.plugin(:Eucalyptus) do
         # secret access key. We'd rather not have ohai send this information
         # to the server.
         # http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/AESDG-chapter-instancedata.html#instancedata-data-categories
-        next if k == 'iam' && !hint?('iam')
+        next if k == "iam" && !hint?("iam")
         eucalyptus[k] = v
       end
       eucalyptus[:userdata] = self.fetch_userdata
diff --git a/lib/ohai/plugins/freebsd/cpu.rb b/lib/ohai/plugins/freebsd/cpu.rb
index 27a7dfa2..5d75308e 100644
--- a/lib/ohai/plugins/freebsd/cpu.rb
+++ b/lib/ohai/plugins/freebsd/cpu.rb
@@ -53,10 +53,10 @@ Ohai.plugin(:CPU) do
         cpuinfo["stepping"] = $4
         # These _should_ match /AMD Features2?/ lines as well
       when /Features=.+<(.+)>/
-        cpuinfo["flags"].concat($1.downcase.split(','))
+        cpuinfo["flags"].concat($1.downcase.split(","))
         # Features2=0x80000001<SSE3,<b31>>
       when /Features2=[a-f\dx]+<(.+)>/
-        cpuinfo["flags"].concat($1.downcase.split(','))
+        cpuinfo["flags"].concat($1.downcase.split(","))
       when /FreeBSD\/SMP: Multiprocessor System Detected: (\d*) CPUs/
         cpuinfo["total"] = $1.to_i
       when /FreeBSD\/SMP: (\d*) package\(s\) x (\d*) core\(s\)/
diff --git a/lib/ohai/plugins/freebsd/memory.rb b/lib/ohai/plugins/freebsd/memory.rb
index 842f9689..fdf32a30 100644
--- a/lib/ohai/plugins/freebsd/memory.rb
+++ b/lib/ohai/plugins/freebsd/memory.rb
@@ -57,4 +57,3 @@ Ohai.plugin(:Memory) do
     end
   end
 end
-
diff --git a/lib/ohai/plugins/freebsd/network.rb b/lib/ohai/plugins/freebsd/network.rb
index 6a31144a..efcaabb1 100644
--- a/lib/ohai/plugins/freebsd/network.rb
+++ b/lib/ohai/plugins/freebsd/network.rb
@@ -58,7 +58,7 @@ Ohai.plugin(:Network) do
       if line =~ /\s+inet ([\d.]+) netmask ([\da-fx]+)\s*\w*\s*([\d.]*)/
         iface[cint][:addresses] = Mash.new unless iface[cint][:addresses]
         # convert the netmask to decimal for consistency
-        netmask = "#{$2[2,2].hex}.#{$2[4,2].hex}.#{$2[6,2].hex}.#{$2[8,2].hex}"
+        netmask = "#{$2[2, 2].hex}.#{$2[4, 2].hex}.#{$2[6, 2].hex}.#{$2[8, 2].hex}"
         if $3.empty?
           iface[cint][:addresses][$1] = { "family" => "inet", "netmask" => netmask }
         else
@@ -76,7 +76,7 @@ Ohai.plugin(:Network) do
         end
       end
       if line =~ /flags=\d+<(.+)>/
-        flags = $1.split(',')
+        flags = $1.split(",")
         iface[cint][:flags] = flags if flags.length > 0
       end
       if line =~ /metric: (\d+) mtu: (\d+)/
@@ -100,11 +100,11 @@ Ohai.plugin(:Network) do
     # From netstat(1), not sure of the implications:
     # Show the state of all network interfaces or a single interface
     # which have been auto-configured (interfaces statically configured
-    # into a system, but not located at boot time are not shown). 
+    # into a system, but not located at boot time are not shown).
     so = shell_out("netstat -ibdn")
     so.stdout.lines do |line|
       # Name    Mtu Network       Address              Ipkts Ierrs     Ibytes    Opkts Oerrs     Obytes  Coll Drop
-      # ed0    1500 <Link#1>      54:52:00:68:92:85   333604    26  151905886   175472     0   24897542     0  905 
+      # ed0    1500 <Link#1>      54:52:00:68:92:85   333604    26  151905886   175472     0   24897542     0  905
       # $1                        $2                      $3    $4         $5       $6    $7         $8    $9  $10
       if line =~ /^([\w\.\*]+)\s+\d+\s+<Link#\d+>\s+([\w:]*)\s*(\d+)\s+(\d+)\s+(\d+)\s+(\d+)\s+(\d+)\s+(\d+)\s+(\d+)\s+(\d+)/
         net_counters[$1] = Mash.new unless net_counters[$1]
diff --git a/lib/ohai/plugins/freebsd/os.rb b/lib/ohai/plugins/freebsd/os.rb
index d2c8a326..ee1c9d0b 100644
--- a/lib/ohai/plugins/freebsd/os.rb
+++ b/lib/ohai/plugins/freebsd/os.rb
@@ -18,7 +18,7 @@
 # limitations under the License.
 #
 
-require 'ohai/mixin/os'
+require "ohai/mixin/os"
 
 Ohai.plugin(:OS) do
   provides "os", "os_version"
diff --git a/lib/ohai/plugins/gce.rb b/lib/ohai/plugins/gce.rb
index 82abaf08..275a9770 100644
--- a/lib/ohai/plugins/gce.rb
+++ b/lib/ohai/plugins/gce.rb
@@ -14,7 +14,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-require 'ohai/mixin/gce_metadata'
+require "ohai/mixin/gce_metadata"
 
 Ohai.plugin(:GCE) do
   include Ohai::Mixin::GCEMetadata
@@ -27,7 +27,7 @@ Ohai.plugin(:GCE) do
   # true:: If gce metadata server found
   # false:: Otherwise
   def has_gce_metadata?
-    can_metadata_connect?(Ohai::Mixin::GCEMetadata::GCE_METADATA_ADDR,80)
+    can_metadata_connect?(Ohai::Mixin::GCEMetadata::GCE_METADATA_ADDR, 80)
   end
 
   # Identifies gce
@@ -36,14 +36,14 @@ Ohai.plugin(:GCE) do
   # true:: If gce can be identified
   # false:: Otherwise
   def looks_like_gce?
-    hint?('gce') || has_gce_metadata?
+    hint?("gce") || has_gce_metadata?
   end
 
   collect_data do
     if looks_like_gce?
       Ohai::Log.debug("gce plugin: looks_like_gce? == true")
       gce Mash.new
-      fetch_metadata.each {|k, v| gce[k] = v }
+      fetch_metadata.each { |k, v| gce[k] = v }
     else
       Ohai::Log.debug("gce plugin: looks_like_gce? == false")
       false
diff --git a/lib/ohai/plugins/hostname.rb b/lib/ohai/plugins/hostname.rb
index f12b1940..fb97d971 100644
--- a/lib/ohai/plugins/hostname.rb
+++ b/lib/ohai/plugins/hostname.rb
@@ -25,8 +25,8 @@
 # limitations under the License.
 #
 
-require 'socket'
-require 'ipaddr'
+require "socket"
+require "ipaddr"
 
 Ohai.plugin(:Hostname) do
   provides "domain", "hostname", "fqdn", "machinename"
@@ -77,14 +77,14 @@ Ohai.plugin(:Hostname) do
   end
 
   def get_fqdn_from_sigar
-    require 'sigar'
+    require "sigar"
     sigar = Sigar.new
     sigar.fqdn
   end
 
   def sigar_is_available?
     begin
-      require 'sigar'
+      require "sigar"
       true
     rescue LoadError
       false
@@ -153,11 +153,11 @@ Ohai.plugin(:Hostname) do
   end
 
   collect_data(:windows) do
-    require 'wmi-lite/wmi'
-    require 'socket'
+    require "wmi-lite/wmi"
+    require "socket"
 
     wmi = WmiLite::Wmi.new
-    host = wmi.first_of('Win32_ComputerSystem')
+    host = wmi.first_of("Win32_ComputerSystem")
 
     hostname "#{host['dnshostname']}"
     machinename "#{host['name']}"
diff --git a/lib/ohai/plugins/init_package.rb b/lib/ohai/plugins/init_package.rb
index f648240b..1bf54ce1 100644
--- a/lib/ohai/plugins/init_package.rb
+++ b/lib/ohai/plugins/init_package.rb
@@ -20,6 +20,6 @@ Ohai.plugin(:InitPackage) do
   provides "init_package"
 
   collect_data(:linux) do
-    init_package File.exists?("/proc/1/comm") ? File.open("/proc/1/comm").gets.chomp : 'init'
+    init_package File.exists?("/proc/1/comm") ? File.open("/proc/1/comm").gets.chomp : "init"
   end
 end
diff --git a/lib/ohai/plugins/ip_scopes.rb b/lib/ohai/plugins/ip_scopes.rb
index 7cb7e50d..b74ab2f7 100644
--- a/lib/ohai/plugins/ip_scopes.rb
+++ b/lib/ohai/plugins/ip_scopes.rb
@@ -6,9 +6,9 @@
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at
-# 
+#
 #     http://www.apache.org/licenses/LICENSE-2.0
-# 
+#
 # Unless required by applicable law or agreed to in writing, software
 # distributed under the License is distributed on an "AS IS" BASIS,
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
@@ -22,15 +22,15 @@ Ohai.plugin(:IpScopes) do
 
   collect_data do
     begin
-      require 'ipaddr_extensions'
+      require "ipaddr_extensions"
 
-      network['interfaces'].keys.sort.each do |ifName|
-        next if network['interfaces'][ifName]['addresses'].nil?
+      network["interfaces"].keys.sort.each do |ifName|
+        next if network["interfaces"][ifName]["addresses"].nil?
 
-        interface = network['interfaces'][ifName]
-        interface['addresses'].each do |address,attrs|
+        interface = network["interfaces"][ifName]
+        interface["addresses"].each do |address, attrs|
           begin
-            attrs.merge! 'ip_scope' => address.to_ip.scope
+            attrs.merge! "ip_scope" => address.to_ip.scope
 
             if private_addr?(address) && !tunnel_iface?(interface)
               privateaddress(address)
@@ -52,6 +52,6 @@ Ohai.plugin(:IpScopes) do
   end
 
   def tunnel_iface?(interface)
-    interface['type'] == 'ppp'
+    interface["type"] == "ppp"
   end
 end
diff --git a/lib/ohai/plugins/joyent.rb b/lib/ohai/plugins/joyent.rb
index 0b91fdf1..c921d65d 100644
--- a/lib/ohai/plugins/joyent.rb
+++ b/lib/ohai/plugins/joyent.rb
@@ -20,9 +20,9 @@
 # Reference from: sm-summary command
 
 Ohai.plugin(:Joyent) do
-  provides 'joyent'
-  provides 'virtualization/guest_id'
-  depends 'os', 'platform', 'virtualization'
+  provides "joyent"
+  provides "virtualization/guest_id"
+  depends "os", "platform", "virtualization"
 
   def collect_product_file
     lines = []
@@ -37,7 +37,7 @@ Ohai.plugin(:Joyent) do
   end
 
   def collect_pkgsrc
-    if File.exist?('/opt/local/etc/pkg_install.conf')
+    if File.exist?("/opt/local/etc/pkg_install.conf")
       sm_pkgsrc = ::File.read("/opt/local/etc/pkg_install.conf").split("=")
       sm_pkgsrc[1].chomp
     else
@@ -46,7 +46,7 @@ Ohai.plugin(:Joyent) do
   end
 
   def is_smartos?
-    platform == 'smartos'
+    platform == "smartos"
   end
 
   collect_data do
@@ -58,14 +58,14 @@ Ohai.plugin(:Joyent) do
 
       # get zone id unless globalzone
       unless joyent[:sm_uuid] == "global"
-        joyent[:sm_id]            = virtualization[:guest_id]
+        joyent[:sm_id] = virtualization[:guest_id]
       end
 
       # retrieve image name and pkgsrc
       collect_product_file.each do |line|
         case line
         when /^Image/
-          sm_image = line.split(" ") 
+          sm_image = line.split(" ")
           joyent[:sm_image_id] = sm_image[1]
           joyent[:sm_image_ver] = sm_image[2]
         when /^Base Image/
diff --git a/lib/ohai/plugins/kernel.rb b/lib/ohai/plugins/kernel.rb
index bbbf5f62..59665bba 100644
--- a/lib/ohai/plugins/kernel.rb
+++ b/lib/ohai/plugins/kernel.rb
@@ -80,7 +80,7 @@ Ohai.plugin(:Kernel) do
 
     so = shell_out("sysctl -n hw.optional.x86_64")
     if so.stdout.split($/)[0].to_i == 1
-      kernel[:machine] = 'x86_64'
+      kernel[:machine] = "x86_64"
     end
 
     modules = Mash.new
@@ -157,10 +157,10 @@ Ohai.plugin(:Kernel) do
     # EXAMPLE:
     # Id Loadaddr   Size Info Rev Module Name
     #  6  1180000   4623   1   1  specfs (filesystem for specfs)
-    module_description =  /[\s]*([\d]+)[\s]+([a-f\d]+)[\s]+([a-f\d]+)[\s]+(?:[\-\d]+)[\s]+(?:[\d]+)[\s]+([\S]+)[\s]+\((.+)\)$/
+    module_description = /[\s]*([\d]+)[\s]+([a-f\d]+)[\s]+([a-f\d]+)[\s]+(?:[\-\d]+)[\s]+(?:[\d]+)[\s]+([\S]+)[\s]+\((.+)\)$/
     so.stdout.lines do |line|
       if mod = module_description.match(line)
-        modules[mod[4]] = { :id => mod[1].to_i, :loadaddr => mod[2], :size => mod[3].to_i(16), :description => mod[5]}
+        modules[mod[4]] = { :id => mod[1].to_i, :loadaddr => mod[2], :size => mod[3].to_i(16), :description => mod[5] }
       end
     end
 
@@ -168,8 +168,8 @@ Ohai.plugin(:Kernel) do
   end
 
   collect_data(:windows) do
-    require 'win32ole'
-    require 'wmi-lite/wmi'
+    require "win32ole"
+    require "wmi-lite/wmi"
 
     WIN32OLE.codepage = WIN32OLE::CP_UTF8
 
@@ -177,7 +177,7 @@ Ohai.plugin(:Kernel) do
 
     kernel Mash.new
 
-    host = wmi.first_of('Win32_OperatingSystem')
+    host = wmi.first_of("Win32_OperatingSystem")
     kernel[:os_info] = Mash.new
     host.wmi_ole_object.properties_.each do |p|
       kernel[:os_info][p.name.wmi_underscore.to_sym] = host[p.name.downcase]
@@ -188,10 +188,10 @@ Ohai.plugin(:Kernel) do
     kernel[:version] = "#{kernel[:os_info][:version]} #{kernel[:os_info][:csd_version]} Build #{kernel[:os_info][:build_number]}"
     kernel[:os] = os_lookup(kernel[:os_info][:os_type]) || languages[:ruby][:host_os]
 
-    host = wmi.first_of('Win32_ComputerSystem')
+    host = wmi.first_of("Win32_ComputerSystem")
     kernel[:cs_info] = Mash.new
     cs_info_blacklist = [
-      'oem_logo_bitmap'
+      "oem_logo_bitmap"
     ]
     host.wmi_ole_object.properties_.each do |p|
       if !cs_info_blacklist.include?(p.name.wmi_underscore)
diff --git a/lib/ohai/plugins/linode.rb b/lib/ohai/plugins/linode.rb
index a585783d..1d122cd9 100644
--- a/lib/ohai/plugins/linode.rb
+++ b/lib/ohai/plugins/linode.rb
@@ -25,7 +25,7 @@ Ohai.plugin(:Linode) do
   # Returns true or false
   def has_linode_kernel?
     if kernel_data = kernel
-      kernel_data[:release].split('-').last =~ /linode/
+      kernel_data[:release].split("-").last =~ /linode/
     end
   end
 
@@ -33,7 +33,7 @@ Ohai.plugin(:Linode) do
   #
   # Returns true or false
   def looks_like_linode?
-    hint?('linode') || has_linode_kernel?
+    hint?("linode") || has_linode_kernel?
   end
 
   # Names linode ip address
@@ -45,7 +45,7 @@ Ohai.plugin(:Linode) do
   def get_ip_address(name, eth)
     if eth_iface = network[:interfaces][eth]
       eth_iface[:addresses].each do |key, info|
-        linode[name] = key if info['family'] == 'inet'
+        linode[name] = key if info["family"] == "inet"
       end
     end
   end
@@ -57,7 +57,7 @@ Ohai.plugin(:Linode) do
       linode Mash.new
       get_ip_address(:public_ip, :eth0)
       get_ip_address(:private_ip, "eth0:1")
-      hint?('linode').each{|k,v| linode[k] = v } if hint?('linode').kind_of?(Hash)
+      hint?("linode").each { |k, v| linode[k] = v } if hint?("linode").kind_of?(Hash)
     else
       Ohai::Log.debug("linode plugin: looks_like_linode? == false")
     end
diff --git a/lib/ohai/plugins/linux/cpu.rb b/lib/ohai/plugins/linux/cpu.rb
index 174e9576..9b9e0b72 100644
--- a/lib/ohai/plugins/linux/cpu.rb
+++ b/lib/ohai/plugins/linux/cpu.rb
@@ -58,18 +58,18 @@ Ohai.plugin(:CPU) do
       when /cache size\s+:\s(.+)/
         cpuinfo[current_cpu]["cache_size"] = $1
       when /flags\s+:\s(.+)/
-        cpuinfo[current_cpu]["flags"] = $1.split(' ')
+        cpuinfo[current_cpu]["flags"] = $1.split(" ")
       when /bogomips per cpu:\s(.+)/
         cpuinfo["bogomips_per_cpu"] = $1
       when /features\s+:\s(.+)/
-        cpuinfo["features"] = $1.split(' ')
+        cpuinfo["features"] = $1.split(" ")
       when /processor\s(\d):\s(.+)/
         current_cpu = $1
         cpu_number += 1
         cpuinfo[current_cpu] = Mash.new
-        current_cpu_info = $2.split(',')
+        current_cpu_info = $2.split(",")
         for i in current_cpu_info
-          name_value = i.split('=')
+          name_value = i.split("=")
           name = name_value[0].strip
           value = name_value[1].strip
           cpuinfo[current_cpu][name] = value
diff --git a/lib/ohai/plugins/linux/filesystem.rb b/lib/ohai/plugins/linux/filesystem.rb
index 37b42c6f..35e7224a 100644
--- a/lib/ohai/plugins/linux/filesystem.rb
+++ b/lib/ohai/plugins/linux/filesystem.rb
@@ -21,7 +21,7 @@ Ohai.plugin(:Filesystem) do
 
   def get_blk_cmd(attr, have_lsblk)
     if have_lsblk
-      attr = 'FSTYPE' if attr == 'TYPE'
+      attr = "FSTYPE" if attr == "TYPE"
       "lsblk -P -n -o NAME,#{attr}"
     else
       "blkid -s #{attr}"
@@ -30,7 +30,7 @@ Ohai.plugin(:Filesystem) do
 
   def get_blk_regex(attr, have_lsblk)
     if have_lsblk
-      attr = 'FSTYPE' if attr == 'TYPE'
+      attr = "FSTYPE" if attr == "TYPE"
       /^NAME="(\S+).*?" #{attr}="(\S+)"/
     else
       /^(\S+): #{attr}="(\S+)"/
@@ -47,7 +47,7 @@ Ohai.plugin(:Filesystem) do
 
   collect_data(:linux) do
     fs = Mash.new
-    have_lsblk = File.executable?('/bin/lsblk')
+    have_lsblk = File.executable?("/bin/lsblk")
 
     # Grab filesystem data from df
     so = shell_out("df -P")
@@ -95,56 +95,56 @@ Ohai.plugin(:Filesystem) do
       end
     end
 
-    have_lsblk = File.exist?('/bin/lsblk')
+    have_lsblk = File.exist?("/bin/lsblk")
 
     # Gather more filesystem types via libuuid, even devices that's aren't mounted
-    cmd = get_blk_cmd('TYPE', have_lsblk)
-    regex = get_blk_regex('TYPE', have_lsblk)
+    cmd = get_blk_cmd("TYPE", have_lsblk)
+    regex = get_blk_regex("TYPE", have_lsblk)
     so = shell_out(cmd)
     so.stdout.lines do |line|
       if line =~ regex
         filesystem = $1
         type = $2
-        filesystem = find_device(filesystem) unless filesystem.start_with?('/')
+        filesystem = find_device(filesystem) unless filesystem.start_with?("/")
         fs[filesystem] = Mash.new unless fs.has_key?(filesystem)
         fs[filesystem][:fs_type] = type
       end
     end
 
     # Gather device UUIDs via libuuid
-    cmd = get_blk_cmd('UUID', have_lsblk)
-    regex = get_blk_regex('UUID', have_lsblk)
+    cmd = get_blk_cmd("UUID", have_lsblk)
+    regex = get_blk_regex("UUID", have_lsblk)
     so = shell_out(cmd)
     so.stdout.lines do |line|
       if line =~ regex
         filesystem = $1
         uuid = $2
-        filesystem = find_device(filesystem) unless filesystem.start_with?('/')
+        filesystem = find_device(filesystem) unless filesystem.start_with?("/")
         fs[filesystem] = Mash.new unless fs.has_key?(filesystem)
         fs[filesystem][:uuid] = uuid
       end
     end
 
     # Gather device labels via libuuid
-    cmd = get_blk_cmd('LABEL', have_lsblk)
-    regex = get_blk_regex('LABEL', have_lsblk)
+    cmd = get_blk_cmd("LABEL", have_lsblk)
+    regex = get_blk_regex("LABEL", have_lsblk)
     so = shell_out(cmd)
     so.stdout.lines do |line|
       if line =~ regex
         filesystem = $1
         label = $2
-        filesystem = find_device(filesystem) unless filesystem.start_with?('/')
+        filesystem = find_device(filesystem) unless filesystem.start_with?("/")
         fs[filesystem] = Mash.new unless fs.has_key?(filesystem)
         fs[filesystem][:label] = label
       end
     end
 
     # Grab any missing mount information from /proc/mounts
-    if File.exist?('/proc/mounts')
-      mounts = ''
+    if File.exist?("/proc/mounts")
+      mounts = ""
       # Due to https://tickets.opscode.com/browse/OHAI-196
       # we have to non-block read dev files. Ew.
-      f = File.open('/proc/mounts')
+      f = File.open("/proc/mounts")
       loop do
         begin
           data = f.read_nonblock(4096)
diff --git a/lib/ohai/plugins/linux/filesystem2.rb b/lib/ohai/plugins/linux/filesystem2.rb
index bb0b6464..1268ad63 100644
--- a/lib/ohai/plugins/linux/filesystem2.rb
+++ b/lib/ohai/plugins/linux/filesystem2.rb
@@ -34,16 +34,16 @@ Ohai.plugin(:Filesystem2) do
       regex = /NAME="(\S+).*?" UUID="(\S*)" LABEL="(\S*)" FSTYPE="(\S*)"/
       if line =~ regex
         dev = $1
-        dev = find_device(dev) unless dev.start_with?('/')
+        dev = find_device(dev) unless dev.start_with?("/")
         uuid = $2
         label = $3
         fs_type = $4
-        return {:dev => dev, :uuid => uuid, :label => label, :fs_type => fs_type}
+        return { :dev => dev, :uuid => uuid, :label => label, :fs_type => fs_type }
       end
     else
       bits = line.split
-      dev = bits.shift.split(':')[0]
-      f = {:dev => dev}
+      dev = bits.shift.split(":")[0]
+      f = { :dev => dev }
       bits.each do |keyval|
         if keyval =~ /(\S+)="(\S+)"/
           key = $1.downcase.to_sym
@@ -61,7 +61,7 @@ Ohai.plugin(:Filesystem2) do
     fs.each_value do |entry|
       view[entry[:device]] = Mash.new unless view[entry[:device]]
       entry.each do |key, val|
-        next if ['device', 'mount'].include?(key)
+        next if %w{device mount}.include?(key)
         view[entry[:device]][key] = val
       end
       view[entry[:device]][:mounts] ||= []
@@ -78,7 +78,7 @@ Ohai.plugin(:Filesystem2) do
       next unless entry[:mount]
       view[entry[:mount]] = Mash.new unless view[entry[:mount]]
       entry.each do |key, val|
-        next if ['mount', 'device'].include?(key)
+        next if %w{mount device}.include?(key)
         view[entry[:mount]][key] = val
       end
       view[entry[:mount]][:devices] ||= []
@@ -141,12 +141,12 @@ Ohai.plugin(:Filesystem2) do
       end
     end
 
-    have_lsblk = File.exist?('/bin/lsblk')
+    have_lsblk = File.exist?("/bin/lsblk")
     if have_lsblk
-      cmd = 'lsblk -n -P -o NAME,UUID,LABEL,FSTYPE'
+      cmd = "lsblk -n -P -o NAME,UUID,LABEL,FSTYPE"
     else
       # CentOS5 and other platforms don't have lsblk
-      cmd = 'blkid'
+      cmd = "blkid"
     end
 
     so = shell_out(cmd)
@@ -177,11 +177,11 @@ Ohai.plugin(:Filesystem2) do
     end
 
     # Grab any missing mount information from /proc/mounts
-    if File.exist?('/proc/mounts')
-      mounts = ''
+    if File.exist?("/proc/mounts")
+      mounts = ""
       # Due to https://tickets.opscode.com/browse/OHAI-196
       # we have to non-block read dev files. Ew.
-      f = File.open('/proc/mounts')
+      f = File.open("/proc/mounts")
       loop do
         begin
           data = f.read_nonblock(4096)
@@ -213,9 +213,9 @@ Ohai.plugin(:Filesystem2) do
     by_mountpoint = generate_mountpoint_view(fs)
 
     fs2 = Mash.new
-    fs2['by_device'] = by_device
-    fs2['by_mountpoint'] = by_mountpoint
-    fs2['by_pair'] = by_pair
+    fs2["by_device"] = by_device
+    fs2["by_mountpoint"] = by_mountpoint
+    fs2["by_pair"] = by_pair
 
     # Set the filesystem data
     filesystem2 fs2
diff --git a/lib/ohai/plugins/linux/mdadm.rb b/lib/ohai/plugins/linux/mdadm.rb
index fdc08ff5..0075750a 100644
--- a/lib/ohai/plugins/linux/mdadm.rb
+++ b/lib/ohai/plugins/linux/mdadm.rb
@@ -17,7 +17,7 @@
 #
 
 Ohai.plugin(:Mdadm) do
-  provides 'mdadm'
+  provides "mdadm"
 
   def create_raid_device_mash(stdout)
     device_mash = Mash.new
@@ -51,9 +51,9 @@ Ohai.plugin(:Mdadm) do
 
   collect_data(:linux) do
     # gather a list of all raid arrays
-    if File.exist?('/proc/mdstat')
+    if File.exist?("/proc/mdstat")
       devices = []
-      File.open('/proc/mdstat').each do |line|
+      File.open("/proc/mdstat").each do |line|
         devices << Regexp.last_match[1] if line =~ /(md[0-9]+)/
       end
 
diff --git a/lib/ohai/plugins/linux/network.rb b/lib/ohai/plugins/linux/network.rb
index e2a5c887..32b77650 100644
--- a/lib/ohai/plugins/linux/network.rb
+++ b/lib/ohai/plugins/linux/network.rb
@@ -46,11 +46,11 @@ Ohai.plugin(:Network) do
   end
 
   def is_openvz?
-    ::File.directory?('/proc/vz')
+    ::File.directory?("/proc/vz")
   end
 
   def is_openvz_host?
-    is_openvz? && ::File.directory?('/proc/bc')
+    is_openvz? && ::File.directory?("/proc/bc")
   end
 
   def extract_neighbors(family, iface, neigh_attr)
@@ -98,7 +98,7 @@ Ohai.plugin(:Network) do
           Ohai::Log.debug("Skipping route entry without a device: '#{line}'")
           next
         end
-        route_int = 'venet0:0' if is_openvz? && !is_openvz_host? && route_int == 'venet0' && iface['venet0:0']
+        route_int = "venet0:0" if is_openvz? && !is_openvz_host? && route_int == "venet0" && iface["venet0:0"]
 
         unless iface[route_int]
           Ohai::Log.debug("Skipping previously unseen interface from 'ip route show': #{route_int}")
@@ -107,7 +107,7 @@ Ohai.plugin(:Network) do
 
         route_entry = Mash.new(:destination => route_dest,
                                :family => family[:name])
-        %w[via scope metric proto src].each do |k|
+        %w{via scope metric proto src}.each do |k|
           route_entry[k] = $1 if route_ending =~ /\b#{k}\s+([^\s]+)\b/
         end
 
@@ -141,19 +141,19 @@ Ohai.plugin(:Network) do
   # determine layer 1 details for the interface using ethtool
   def ethernet_layer_one(iface)
     return iface unless ethtool_binary = find_ethtool_binary
-    keys = %w[ Speed Duplex Port Transceiver Auto-negotiation MDI-X ]
+    keys = %w{ Speed Duplex Port Transceiver Auto-negotiation MDI-X }
     iface.each_key do |tmp_int|
-      next unless iface[tmp_int][:encapsulation] == 'Ethernet'
+      next unless iface[tmp_int][:encapsulation] == "Ethernet"
       so = shell_out("#{ethtool_binary} #{tmp_int}")
       so.stdout.lines do |line|
         line.chomp!
         Ohai::Log.debug("Parsing ethtool output: #{line}")
         line.lstrip!
-        k, v = line.split(': ')
+        k, v = line.split(": ")
         next unless keys.include? k
-        k.downcase!.tr!('-', '_')
-        if k == 'speed'
-          k = 'link_speed'   # This is not necessarily the maximum speed the NIC supports
+        k.downcase!.tr!("-", "_")
+        if k == "speed"
+          k = "link_speed" # This is not necessarily the maximum speed the NIC supports
           v = v[/\d+/].to_i
         end
         iface[tmp_int][k] = v
@@ -181,7 +181,7 @@ Ohai.plugin(:Network) do
         net_counters[tmp_int][int][:packets] = $2
         net_counters[tmp_int][int][:errors] = $3
         net_counters[tmp_int][int][:drop] = $4
-        if (int == :rx)
+        if int == :rx
           net_counters[tmp_int][int][:overrun] = $5
         else
           net_counters[tmp_int][int][:carrier] = $5
@@ -214,7 +214,7 @@ Ohai.plugin(:Network) do
       end
 
       if line =~ /state (\w+)/
-        iface[tmp_int]['state'] = $1.downcase
+        iface[tmp_int]["state"] = $1.downcase
       end
     end
     iface
@@ -258,7 +258,7 @@ Ohai.plugin(:Network) do
       iface[cint][:encapsulation] = linux_encaps_lookup($1)
       unless $2 == "00:00:00:00:00:00"
         iface[cint][:addresses] = Mash.new unless iface[cint][:addresses]
-        iface[cint][:addresses][$2.upcase] = {"family" => "lladdr"}
+        iface[cint][:addresses][$2.upcase] = { "family" => "lladdr" }
       end
     end
   end
@@ -279,7 +279,7 @@ Ohai.plugin(:Network) do
 
       iface[cint] = Mash.new unless iface[cint] # Create the fake alias interface if needed
       iface[cint][:addresses] = Mash.new unless iface[cint][:addresses]
-      iface[cint][:addresses][tmp_addr] = {"family" => "inet", "prefixlen" => tmp_prefix}
+      iface[cint][:addresses][tmp_addr] = { "family" => "inet", "prefixlen" => tmp_prefix }
       iface[cint][:addresses][tmp_addr][:netmask] = IPAddr.new("255.255.255.255").mask(tmp_prefix.to_i).to_s
 
       if line =~ /peer (\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})/
@@ -304,20 +304,20 @@ Ohai.plugin(:Network) do
     if line =~ /inet6 ([a-f0-9\:]+)\/(\d+) scope (\w+)/
       iface[cint][:addresses] = Mash.new unless iface[cint][:addresses]
       tmp_addr = $1
-      iface[cint][:addresses][tmp_addr] = {"family" => "inet6", "prefixlen" => $2, "scope" => ($3.eql?("host") ? "Node" : $3.capitalize)}
+      iface[cint][:addresses][tmp_addr] = { "family" => "inet6", "prefixlen" => $2, "scope" => ($3.eql?("host") ? "Node" : $3.capitalize) }
     end
   end
 
   # returns the macaddress for interface from a hash of interfaces (iface elsewhere in this file)
   def get_mac_for_interface(interfaces, interface)
-    interfaces[interface][:addresses].select{|k,v| v["family"]=="lladdr"}.first.first unless interfaces[interface][:flags].include? "NOARP"
+    interfaces[interface][:addresses].select { |k, v| v["family"] == "lladdr" }.first.first unless interfaces[interface][:flags].include? "NOARP"
   end
 
   # returns the default route with the lowest metric (unspecified metric is 0)
   def choose_default_route(routes)
     default_route = routes.select do |r|
       r[:destination] == "default"
-    end.sort do |x,y|
+    end.sort do |x, y|
       (x[:metric].nil? ? 0 : x[:metric].to_i) <=> (y[:metric].nil? ? 0 : y[:metric].to_i)
     end.first
   end
@@ -365,7 +365,7 @@ Ohai.plugin(:Network) do
          IPAddress( r[:destination] == "default" ? family[:default_route] : r[:destination] ).prefix
        rescue
          0
-       end
+       end,
       ]
     end.first
   end
@@ -374,7 +374,7 @@ Ohai.plugin(:Network) do
   # If the 'ip' binary is available, this plugin may set {ip,mac,ip6}address. The network plugin should not overwrite these.
   # The older code section below that relies on the deprecated net-tools, e.g. netstat and ifconfig, provides less functionality.
   collect_data(:linux) do
-    require 'ipaddr'
+    require "ipaddr"
 
     iface = Mash.new
     net_counters = Mash.new
@@ -386,7 +386,7 @@ Ohai.plugin(:Network) do
 
     # ohai.plugin[:network][:default_route_table] = 'default'
     if configuration(:default_route_table).nil? || configuration(:default_route_table).empty?
-      default_route_table = 'main'
+      default_route_table = "main"
     else
       default_route_table = configuration(:default_route_table)
     end
@@ -403,14 +403,14 @@ Ohai.plugin(:Network) do
                     :name => "inet",
                     :default_route => "0.0.0.0/0",
                     :default_prefix => :default,
-                    :neighbour_attribute => :arp
+                    :neighbour_attribute => :arp,
                   }]
 
       families << {
                     :name => "inet6",
                     :default_route => "::/0",
                     :default_prefix => :default_inet6,
-                    :neighbour_attribute => :neighbour_inet6
+                    :neighbour_attribute => :neighbour_inet6,
                   } if ipv6_enabled?
 
       parse_ip_addr(iface)
@@ -476,7 +476,7 @@ Ohai.plugin(:Network) do
       begin
         so = shell_out("route -n")
         route_result = so.stdout.split($/).grep( /^0.0.0.0/ )[0].split( /[ \t]+/ )
-        network[:default_gateway], network[:default_interface] = route_result.values_at(1,7)
+        network[:default_gateway], network[:default_interface] = route_result.values_at(1, 7)
       rescue Ohai::Exceptions::Exec
         Ohai::Log.debug("Unable to determine default interface")
       end
diff --git a/lib/ohai/plugins/linux/platform.rb b/lib/ohai/plugins/linux/platform.rb
index 6a655b85..9455e788 100644
--- a/lib/ohai/plugins/linux/platform.rb
+++ b/lib/ohai/plugins/linux/platform.rb
@@ -38,8 +38,8 @@ Ohai.plugin(:Platform) do
   def read_os_release_info(file)
     return nil unless File.exist?(file)
     File.read(file).split.inject({}) do |map, line|
-      key, value = line.split('=')
-      map[key] = value.gsub(/\A"|"\Z/, '') if value
+      key, value = line.split("=")
+      map[key] = value.gsub(/\A"|"\Z/, "") if value
       map
     end
   end
@@ -54,8 +54,8 @@ Ohai.plugin(:Platform) do
   def os_release_info
     @os_release_info ||=
       begin
-        os_release_info = read_os_release_info('/etc/os-release')
-        cisco_release_info = os_release_info['CISCO_RELEASE_INFO'] if os_release_info
+        os_release_info = read_os_release_info("/etc/os-release")
+        cisco_release_info = os_release_info["CISCO_RELEASE_INFO"] if os_release_info
         if cisco_release_info && File.exist?(cisco_release_info)
           os_release_info.merge!(read_os_release_info(cisco_release_info))
         end
@@ -69,7 +69,7 @@ Ohai.plugin(:Platform) do
   # @returns [Boolean] if we are Cisco according to /etc/os-release
   #
   def os_release_file_is_cisco?
-    File.exist?('/etc/os-release') && os_release_info['CISCO_RELEASE_INFO']
+    File.exist?("/etc/os-release") && os_release_info["CISCO_RELEASE_INFO"]
   end
 
   collect_data(:linux) do
@@ -105,8 +105,8 @@ Ohai.plugin(:Platform) do
       platform_version contents.match(/(\d\.\d\.\d)/)[0]
     elsif File.exist?("/etc/redhat-release")
       if os_release_file_is_cisco? # Cisco guestshell
-        platform 'nexus_centos'
-        platform_version os_release_info['VERSION']
+        platform "nexus_centos"
+        platform_version os_release_info["VERSION"]
       else
         contents = File.read("/etc/redhat-release").chomp
         platform get_redhatish_platform(contents)
@@ -116,10 +116,10 @@ Ohai.plugin(:Platform) do
       contents = File.read("/etc/system-release").chomp
       platform get_redhatish_platform(contents)
       platform_version get_redhatish_version(contents)
-    elsif File.exist?('/etc/gentoo-release')
+    elsif File.exist?("/etc/gentoo-release")
       platform "gentoo"
-      platform_version File.read('/etc/gentoo-release').scan(/(\d+|\.+)/).join
-    elsif File.exist?('/etc/SuSE-release')
+      platform_version File.read("/etc/gentoo-release").scan(/(\d+|\.+)/).join
+    elsif File.exist?("/etc/SuSE-release")
       suse_release = File.read("/etc/SuSE-release")
       suse_version = suse_release.scan(/VERSION = (\d+)\nPATCHLEVEL = (\d+)/).flatten.join(".")
       suse_version = suse_release[/VERSION = ([\d\.]{2,})/, 1] if suse_version == ""
@@ -129,37 +129,37 @@ Ohai.plugin(:Platform) do
       else
         platform "suse"
       end
-    elsif File.exist?('/etc/slackware-version')
+    elsif File.exist?("/etc/slackware-version")
       platform "slackware"
       platform_version File.read("/etc/slackware-version").scan(/(\d+|\.+)/).join
-    elsif File.exist?('/etc/arch-release')
+    elsif File.exist?("/etc/arch-release")
       platform "arch"
       # no way to determine platform_version in a rolling release distribution
       # kernel release will be used - ex. 2.6.32-ARCH
       platform_version `uname -r`.strip
-    elsif File.exist?('/etc/exherbo-release')
+    elsif File.exist?("/etc/exherbo-release")
       platform "exherbo"
       # no way to determine platform_version in a rolling release distribution
       # kernel release will be used - ex. 3.13
       platform_version `uname -r`.strip
-    elsif File.exist?('/etc/alpine-release')
+    elsif File.exist?("/etc/alpine-release")
       platform "alpine"
       platform_version File.read("/etc/alpine-release").strip()
     elsif os_release_file_is_cisco?
-      raise 'unknown Cisco /etc/os-release or /etc/cisco-release ID_LIKE field' if
-        os_release_info['ID_LIKE'].nil? || ! os_release_info['ID_LIKE'].include?('wrlinux')
+      raise "unknown Cisco /etc/os-release or /etc/cisco-release ID_LIKE field" if
+        os_release_info["ID_LIKE"].nil? || ! os_release_info["ID_LIKE"].include?("wrlinux")
 
-      case os_release_info['ID']
-      when 'nexus'
-        platform 'nexus'
-      when 'ios_xr'
-        platform 'ios_xr'
+      case os_release_info["ID"]
+      when "nexus"
+        platform "nexus"
+      when "ios_xr"
+        platform "ios_xr"
       else
-        raise 'unknown Cisco /etc/os-release or /etc/cisco-release ID field'
+        raise "unknown Cisco /etc/os-release or /etc/cisco-release ID field"
       end
 
-      platform_family 'wrlinux'
-      platform_version os_release_info['VERSION']
+      platform_family "wrlinux"
+      platform_version os_release_info["VERSION"]
     elsif lsb[:id] =~ /RedHat/i
       platform "redhat"
       platform_version lsb[:release]
diff --git a/lib/ohai/plugins/linux/virtualization.rb b/lib/ohai/plugins/linux/virtualization.rb
index f3182974..d681bc5d 100644
--- a/lib/ohai/plugins/linux/virtualization.rb
+++ b/lib/ohai/plugins/linux/virtualization.rb
@@ -16,8 +16,8 @@
 # limitations under the License.
 #
 
-require 'ohai/util/file_helper'
-require 'ohai/mixin/dmi_decode'
+require "ohai/util/file_helper"
+require "ohai/mixin/dmi_decode"
 
 include Ohai::Util::FileHelper
 include Ohai::Mixin::DmiDecode
@@ -26,11 +26,11 @@ Ohai.plugin(:Virtualization) do
   provides "virtualization"
 
   def lxc_version_exists?
-    which('lxc-version')
+    which("lxc-version")
   end
 
   def docker_exists?
-    which('docker')
+    which("docker")
   end
 
   collect_data(:linux) do
@@ -118,11 +118,11 @@ Ohai.plugin(:Virtualization) do
 
     # parse dmidecode to discover various virtualization guests
     if File.exist?("/usr/sbin/dmidecode")
-      guest = guest_from_dmi(shell_out('dmidecode').stdout)
+      guest = guest_from_dmi(shell_out("dmidecode").stdout)
       if guest
         virtualization[:system] = guest
-        virtualization[:role] = 'guest'
-        virtualization[:systems][guest.to_sym] = 'guest'
+        virtualization[:role] = "guest"
+        virtualization[:systems][guest.to_sym] = "guest"
       end
     end
 
diff --git a/lib/ohai/plugins/mono.rb b/lib/ohai/plugins/mono.rb
index 8a458bf1..9254924b 100644
--- a/lib/ohai/plugins/mono.rb
+++ b/lib/ohai/plugins/mono.rb
@@ -33,7 +33,7 @@ Ohai.plugin(:Mono) do
         mono[:version] = output[4]
       end
       if output.length >= 11
-        mono[:builddate] = "%s %s %s %s" % [output[6],output[7],output[8],output[11].gsub!(/\)/,'')]
+        mono[:builddate] = "%s %s %s %s" % [output[6], output[7], output[8], output[11].gsub!(/\)/, "")]
       end
       languages[:mono] = mono if mono[:version]
     end
diff --git a/lib/ohai/plugins/netbsd/cpu.rb b/lib/ohai/plugins/netbsd/cpu.rb
index 1b0a2667..4a2f85a0 100644
--- a/lib/ohai/plugins/netbsd/cpu.rb
+++ b/lib/ohai/plugins/netbsd/cpu.rb
@@ -17,7 +17,7 @@
 #
 
 Ohai.plugin(:CPU) do
-  provides 'cpu'
+  provides "cpu"
 
   collect_data(:netbsd) do
     cpuinfo = Mash.new
diff --git a/lib/ohai/plugins/netbsd/network.rb b/lib/ohai/plugins/netbsd/network.rb
index 8f0cff56..f2b8f85f 100644
--- a/lib/ohai/plugins/netbsd/network.rb
+++ b/lib/ohai/plugins/netbsd/network.rb
@@ -58,7 +58,7 @@ Ohai.plugin(:Network) do
       if line =~ /\s+inet ([\d.]+) netmask ([\da-fx]+)\s*\w*\s*([\d.]*)/
         iface[cint][:addresses] = Mash.new unless iface[cint][:addresses]
         # convert the netmask to decimal for consistency
-        netmask = "#{$2[2,2].hex}.#{$2[4,2].hex}.#{$2[6,2].hex}.#{$2[8,2].hex}"
+        netmask = "#{$2[2, 2].hex}.#{$2[4, 2].hex}.#{$2[6, 2].hex}.#{$2[8, 2].hex}"
         if $3.empty?
           iface[cint][:addresses][$1] = { "family" => "inet", "netmask" => netmask }
         else
@@ -76,7 +76,7 @@ Ohai.plugin(:Network) do
         end
       end
       if line =~ /flags=\d+<(.+)>/
-        flags = $1.split(',')
+        flags = $1.split(",")
         iface[cint][:flags] = flags if flags.length > 0
       end
       if line =~ /metric: (\d+) mtu: (\d+)/
diff --git a/lib/ohai/plugins/network.rb b/lib/ohai/plugins/network.rb
index 4b6f8202..caa3e840 100644
--- a/lib/ohai/plugins/network.rb
+++ b/lib/ohai/plugins/network.rb
@@ -16,8 +16,8 @@
 # limitations under the License.
 #
 
-require 'ipaddress'
-require 'ohai/mixin/network_constants'
+require "ipaddress"
+require "ohai/mixin/network_constants"
 
 Ohai.plugin(:NetworkAddresses) do
   include Ohai::Mixin::NetworkConstants
@@ -29,21 +29,21 @@ Ohai.plugin(:NetworkAddresses) do
   # from interface data create array of hashes with ipaddress, scope, and iface
   # sorted by scope, prefixlen and then ipaddress where longest prefixes first
   def sorted_ips(family = "inet")
-    fail "bad family #{family}" unless %w(inet inet6).include? family
+    raise "bad family #{family}" unless %w{inet inet6}.include? family
 
     # priority of ipv6 link scopes to sort by later
     scope_prio = [ "global", "site", "link", "host", "node", nil ]
 
     # grab ipaddress, scope, and iface for sorting later
     ipaddresses = []
-    Mash[network['interfaces']].each do |iface, iface_v|
-      next if iface_v.nil? || !iface_v.has_key?('addresses')
-      iface_v['addresses'].each do |addr, addr_v|
-        next if addr_v.nil? or not addr_v.has_key? "family" or addr_v['family'] != family
+    Mash[network["interfaces"]].each do |iface, iface_v|
+      next if iface_v.nil? || !iface_v.has_key?("addresses")
+      iface_v["addresses"].each do |addr, addr_v|
+        next if addr_v.nil? or not addr_v.has_key? "family" or addr_v["family"] != family
         ipaddresses << {
           :ipaddress => addr_v["prefixlen"] ? IPAddress("#{addr}/#{addr_v["prefixlen"]}") : IPAddress("#{addr}/#{addr_v["netmask"]}"),
           :scope => addr_v["scope"].nil? ? nil : addr_v["scope"].downcase,
-          :iface => iface
+          :iface => iface,
         }
       end
     end
@@ -53,7 +53,7 @@ Ohai.plugin(:NetworkAddresses) do
     ipaddresses.sort_by do |v|
       [ ( scope_prio.index(v[:scope]) || 999999 ),
         128 - v[:ipaddress].prefix.to_i,
-        ( family == "inet" ? v[:ipaddress].to_u32 : v[:ipaddress].to_u128 )
+        ( family == "inet" ? v[:ipaddress].to_u32 : v[:ipaddress].to_u128 ),
       ]
     end
   end
@@ -68,7 +68,7 @@ Ohai.plugin(:NetworkAddresses) do
     return [ nil, nil ] if ips.empty?
 
     # shortcuts to access default #{family} interface and gateway
-    int_attr = Ohai::Mixin::NetworkConstants::FAMILIES[family] +"_interface"
+    int_attr = Ohai::Mixin::NetworkConstants::FAMILIES[family] + "_interface"
     gw_attr = Ohai::Mixin::NetworkConstants::FAMILIES[family] + "_gateway"
 
     if network[int_attr]
@@ -79,8 +79,8 @@ Ohai.plugin(:NetworkAddresses) do
       if gw_if_ips.empty?
         Ohai::Log.warn("[#{family}] no ip address on #{network[int_attr]}")
       elsif network[gw_attr] &&
-          network["interfaces"][network[int_attr]] &&
-          network["interfaces"][network[int_attr]]["addresses"]
+            network["interfaces"][network[int_attr]] &&
+            network["interfaces"][network[int_attr]]["addresses"]
         if [ "0.0.0.0", "::", /^fe80:/ ].any? { |pat| pat === network[gw_attr] }
           # link level default route
           Ohai::Log.debug("link level default #{family} route, picking ip from #{network[gw_attr]}")
@@ -113,7 +113,7 @@ Ohai.plugin(:NetworkAddresses) do
 
   # select mac address of first interface with family of lladdr
   def find_mac_from_iface(iface)
-    r = network["interfaces"][iface]["addresses"].select{|k,v| v["family"] == "lladdr"}
+    r = network["interfaces"][iface]["addresses"].select { |k, v| v["family"] == "lladdr" }
     r.nil? || r.first.nil? ? nil : r.first.first
   end
 
@@ -176,7 +176,7 @@ Ohai.plugin(:NetworkAddresses) do
     end
 
     if results["inet"]["iface"] && results["inet6"]["iface"] &&
-        (results["inet"]["iface"] != results["inet6"]["iface"])
+       (results["inet"]["iface"] != results["inet6"]["iface"])
       Ohai::Log.debug("ipaddress and ip6address are set from different interfaces (#{results["inet"]["iface"]} & #{results["inet6"]["iface"]})")
     end
   end
diff --git a/lib/ohai/plugins/network_listeners.rb b/lib/ohai/plugins/network_listeners.rb
index 3b6b9479..7ecfef72 100644
--- a/lib/ohai/plugins/network_listeners.rb
+++ b/lib/ohai/plugins/network_listeners.rb
@@ -22,8 +22,8 @@ Ohai.plugin(:NetworkListeners) do
   depends "network", "counters/network"
 
   collect_data do
-    require 'sigar'
-    flags = Sigar::NETCONN_TCP|Sigar::NETCONN_SERVER
+    require "sigar"
+    flags = Sigar::NETCONN_TCP | Sigar::NETCONN_SERVER
 
     network Mash.new unless network
     listeners = Mash.new
diff --git a/lib/ohai/plugins/ohai.rb b/lib/ohai/plugins/ohai.rb
index ca01e21e..9cadb480 100644
--- a/lib/ohai/plugins/ohai.rb
+++ b/lib/ohai/plugins/ohai.rb
@@ -6,9 +6,9 @@
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at
-# 
+#
 #     http://www.apache.org/licenses/LICENSE-2.0
-# 
+#
 # Unless required by applicable law or agreed to in writing, software
 # distributed under the License is distributed on an "AS IS" BASIS,
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
@@ -20,7 +20,7 @@ Ohai.plugin(:Ohai) do
   provides "chef_packages/ohai"
 
   collect_data do
-    require 'ohai'
+    require "ohai"
 
     chef_packages Mash.new unless chef_packages
     chef_packages[:ohai] = Mash.new
diff --git a/lib/ohai/plugins/openbsd/cpu.rb b/lib/ohai/plugins/openbsd/cpu.rb
index 91af3fe6..e106b540 100644
--- a/lib/ohai/plugins/openbsd/cpu.rb
+++ b/lib/ohai/plugins/openbsd/cpu.rb
@@ -17,19 +17,19 @@
 #
 
 Ohai.plugin(:CPU) do
-  provides 'cpu'
+  provides "cpu"
 
   collect_data(:openbsd) do
     cpuinfo = Mash.new
 
-    # OpenBSD provides most cpu information via sysctl, the only thing we need to 
-    # to scrape from dmesg.boot is the cpu feature list. 
+    # OpenBSD provides most cpu information via sysctl, the only thing we need to
+    # to scrape from dmesg.boot is the cpu feature list.
     # cpu0: FPU,V86,DE,PSE,TSC,MSR,MCE,CX8,SEP,MTRR,PGE,MCA,CMOV,PAT,CFLUSH,DS,ACPI,MMX,FXSR,SSE,SSE2,SS,TM,SBF,EST,TM2
 
     File.open("/var/run/dmesg.boot").each do |line|
       case line
       when /cpu\d+:\s+([A-Z]+$|[A-Z]+,.*$)/
-        cpuinfo["flags"] = $1.downcase.split(',')
+        cpuinfo["flags"] = $1.downcase.split(",")
       end
     end
 
diff --git a/lib/ohai/plugins/openbsd/memory.rb b/lib/ohai/plugins/openbsd/memory.rb
index 3ad60fbc..020a3881 100644
--- a/lib/ohai/plugins/openbsd/memory.rb
+++ b/lib/ohai/plugins/openbsd/memory.rb
@@ -71,13 +71,13 @@ Ohai.plugin(:Memory) do
         memory[:page_count] = $1
         memory[:total] = memory[:page_size].to_i * memory[:page_count].to_i
       when /(\d+) pages free/
-        memory[:free] = memory[:page_size].to_i * $1.to_i 
+        memory[:free] = memory[:page_size].to_i * $1.to_i
       when /(\d+) pages active/
-        memory[:active] = memory[:page_size].to_i * $1.to_i 
+        memory[:active] = memory[:page_size].to_i * $1.to_i
       when /(\d+) pages inactive/
-        memory[:inactive] = memory[:page_size].to_i * $1.to_i 
+        memory[:inactive] = memory[:page_size].to_i * $1.to_i
       when /(\d+) pages wired/
-        memory[:wired] = memory[:page_size].to_i * $1.to_i 
+        memory[:wired] = memory[:page_size].to_i * $1.to_i
       end
     end
 
diff --git a/lib/ohai/plugins/openbsd/network.rb b/lib/ohai/plugins/openbsd/network.rb
index a19c4f1e..4bcdc19d 100644
--- a/lib/ohai/plugins/openbsd/network.rb
+++ b/lib/ohai/plugins/openbsd/network.rb
@@ -58,7 +58,7 @@ Ohai.plugin(:Network) do
       if line =~ /\s+inet ([\d.]+) netmask ([\da-fx]+)\s*\w*\s*([\d.]*)/
         iface[cint][:addresses] = Mash.new unless iface[cint][:addresses]
         # convert the netmask to decimal for consistency
-        netmask = "#{$2[2,2].hex}.#{$2[4,2].hex}.#{$2[6,2].hex}.#{$2[8,2].hex}"
+        netmask = "#{$2[2, 2].hex}.#{$2[4, 2].hex}.#{$2[6, 2].hex}.#{$2[8, 2].hex}"
         if $3.empty?
           iface[cint][:addresses][$1] = { "family" => "inet", "netmask" => netmask }
         else
@@ -76,7 +76,7 @@ Ohai.plugin(:Network) do
         end
       end
       if line =~ /flags=\d+<(.+)>/
-        flags = $1.split(',')
+        flags = $1.split(",")
         iface[cint][:flags] = flags if flags.length > 0
       end
       if line =~ /metric: (\d+) mtu: (\d+)/
@@ -100,7 +100,7 @@ Ohai.plugin(:Network) do
     # From netstat(1), not sure of the implications:
     # Show the state of all network interfaces or a single interface
     # which have been auto-configured (interfaces statically configured
-    # into a system, but not located at boot time are not shown). 
+    # into a system, but not located at boot time are not shown).
     so = shell_out("netstat -idn")
     so.stdout.lines do |line|
       # Name    Mtu Network       Address              Ipkts Ierrs    Opkts Oerrs  Coll Drop
diff --git a/lib/ohai/plugins/openstack.rb b/lib/ohai/plugins/openstack.rb
index 305b7cb7..b7ac8973 100644
--- a/lib/ohai/plugins/openstack.rb
+++ b/lib/ohai/plugins/openstack.rb
@@ -15,22 +15,22 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-require 'ohai/mixin/ec2_metadata'
+require "ohai/mixin/ec2_metadata"
 
 Ohai.plugin(:Openstack) do
   provides "openstack"
 
   include Ohai::Mixin::Ec2Metadata
 
-  def collect_openstack_metadata(addr = Ohai::Mixin::Ec2Metadata::EC2_METADATA_ADDR, api_version = '2013-04-04')
+  def collect_openstack_metadata(addr = Ohai::Mixin::Ec2Metadata::EC2_METADATA_ADDR, api_version = "2013-04-04")
     path = "/openstack/#{api_version}/meta_data.json"
     uri = "http://#{addr}#{path}"
     begin
-      response = http_client.get_response(URI.parse(uri),nil,nil)
+      response = http_client.get_response(URI.parse(uri), nil, nil)
       case response.code
-      when '200'
+      when "200"
         FFI_Yajl::Parser.parse(response.body)
-      when '404'
+      when "404"
         Ohai::Log.debug("Encountered 404 response retreiving OpenStack specific metadata path: #{path} ; continuing.")
         nil
       else
@@ -44,20 +44,20 @@ Ohai.plugin(:Openstack) do
 
   collect_data do
     # Adds openstack Mash
-    if hint?('openstack') || hint?('hp')
+    if hint?("openstack") || hint?("hp")
       Ohai::Log.debug("ohai openstack")
 
-      if can_metadata_connect?(Ohai::Mixin::Ec2Metadata::EC2_METADATA_ADDR,80)
+      if can_metadata_connect?(Ohai::Mixin::Ec2Metadata::EC2_METADATA_ADDR, 80)
         openstack Mash.new
         Ohai::Log.debug("connecting to the OpenStack metadata service")
-        fetch_metadata.each {|k, v| openstack[k] = v }
+        fetch_metadata.each { |k, v| openstack[k] = v }
 
-        if hint?('hp')
-          openstack['provider'] = 'hp'
+        if hint?("hp")
+          openstack["provider"] = "hp"
         else
-          openstack['provider'] = 'openstack'
+          openstack["provider"] = "openstack"
           Ohai::Log.debug("connecting to the OpenStack specific metadata service")
-          openstack['metadata'] = collect_openstack_metadata
+          openstack["metadata"] = collect_openstack_metadata
         end
 
       else
diff --git a/lib/ohai/plugins/os.rb b/lib/ohai/plugins/os.rb
index 13493e37..2016ff68 100644
--- a/lib/ohai/plugins/os.rb
+++ b/lib/ohai/plugins/os.rb
@@ -16,11 +16,11 @@
 # limitations under the License.
 #
 
-require 'ohai/mixin/os'
+require "ohai/mixin/os"
 
 Ohai.plugin(:OS) do
   provides "os", "os_version"
-  depends 'kernel'
+  depends "kernel"
 
   collect_data do
     os collect_os
diff --git a/lib/ohai/plugins/packages.rb b/lib/ohai/plugins/packages.rb
index 95b6955f..b9d06451 100644
--- a/lib/ohai/plugins/packages.rb
+++ b/lib/ohai/plugins/packages.rb
@@ -19,30 +19,30 @@
 #
 #
 Ohai.plugin(:Packages) do
-  provides 'packages'
-  depends 'platform_family'
+  provides "packages"
+  depends "platform_family"
 
   collect_data(:linux) do
     if configuration(:enabled)
       packages Mash.new
-      if %w(debian).include? platform_family
-        so = shell_out('dpkg-query -W')
+      if %w{debian}.include? platform_family
+        so = shell_out("dpkg-query -W")
         pkgs = so.stdout.lines
 
         pkgs.each do |pkg|
           name, version = pkg.split
-          packages[name] = { 'version' => version }
+          packages[name] = { "version" => version }
         end
 
-      elsif %w(rhel fedora suse).include? platform_family
-        require 'shellwords'
+      elsif %w{rhel fedora suse}.include? platform_family
+        require "shellwords"
         format = Shellwords.escape '%{NAME}\t%{VERSION}\t%{RELEASE}\n'
         so = shell_out("rpm -qa --queryformat #{format}")
         pkgs = so.stdout.lines
 
         pkgs.each do |pkg|
           name, version, release = pkg.split
-          packages[name] = { 'version' => version, 'release' => release }
+          packages[name] = { "version" => version, "release" => release }
         end
       end
     end
@@ -51,15 +51,15 @@ Ohai.plugin(:Packages) do
   collect_data(:windows) do
     if configuration(:enabled)
       packages Mash.new
-      require 'wmi-lite'
+      require "wmi-lite"
 
       wmi = WmiLite::Wmi.new
-      w32_product = wmi.instances_of('Win32_Product')
+      w32_product = wmi.instances_of("Win32_Product")
 
       w32_product.find_all.each do |product|
-        name = product['name']
+        name = product["name"]
         package = packages[name] = Mash.new
-        %w(version vendor installdate).each do |attr|
+        %w{version vendor installdate}.each do |attr|
           package[attr] = product[attr]
         end
       end
@@ -69,21 +69,21 @@ Ohai.plugin(:Packages) do
   collect_data(:aix) do
     if configuration(:enabled)
       packages Mash.new
-      so = shell_out('lslpp -L -q -c')
+      so = shell_out("lslpp -L -q -c")
       pkgs = so.stdout.lines
 
       # Output format is
       # Package Name:Fileset:Level
       # On aix, filesets are packages and levels are versions
       pkgs.each do |pkg|
-        _, name, version = pkg.split(':')
-        packages[name] = { 'version' => version }
+        _, name, version = pkg.split(":")
+        packages[name] = { "version" => version }
       end
     end
   end
 
   def collect_ips_packages
-    so = shell_out('pkg list -H')
+    so = shell_out("pkg list -H")
     # Output format is
     # NAME (PUBLISHER)    VERSION    IFO
     so.stdout.lines.each do |pkg|
@@ -94,13 +94,13 @@ Ohai.plugin(:Packages) do
         name, publisher, version, = tokens
         publisher = publisher[1..-2]
       end
-      packages[name] = { 'version' => version }
-      packages[name]['publisher'] = publisher if publisher
+      packages[name] = { "version" => version }
+      packages[name]["publisher"] = publisher if publisher
     end
   end
 
   def collect_sysv_packages
-    so = shell_out('pkginfo -l')
+    so = shell_out("pkginfo -l")
     # Each package info is separated by a blank line
     chunked_lines = so.stdout.lines.map(&:strip).chunk do |line|
       !line.empty? || nil
@@ -108,12 +108,12 @@ Ohai.plugin(:Packages) do
     chunked_lines.each do |_, lines|
       package = {}
       lines.each do |line|
-        key, value = line.split(':', 2)
+        key, value = line.split(":", 2)
         package[key.strip.downcase] = value.strip unless value.nil?
       end
       # pkginst is the installed package name
-      packages[package['pkginst']] = package.tap do |p|
-        p.delete('pkginst')
+      packages[package["pkginst"]] = package.tap do |p|
+        p.delete("pkginst")
       end
     end
   end
diff --git a/lib/ohai/plugins/passwd.rb b/lib/ohai/plugins/passwd.rb
index 675a70b8..0775efe3 100644
--- a/lib/ohai/plugins/passwd.rb
+++ b/lib/ohai/plugins/passwd.rb
@@ -1,8 +1,8 @@
 
-require 'etc'
+require "etc"
 
 Ohai.plugin(:Passwd) do
-  provides 'etc', 'current_user'
+  provides "etc", "current_user"
 
   def fix_encoding(str)
     str.force_encoding(Encoding.default_external) if str.respond_to?(:force_encoding)
@@ -18,14 +18,14 @@ Ohai.plugin(:Passwd) do
 
       Etc.passwd do |entry|
         user_passwd_entry = Mash.new(:dir => entry.dir, :gid => entry.gid, :uid => entry.uid, :shell => entry.shell, :gecos => entry.gecos)
-        user_passwd_entry.each_value {|v| fix_encoding(v)}
+        user_passwd_entry.each_value { |v| fix_encoding(v) }
         entry_name = fix_encoding(entry.name)
         etc[:passwd][entry_name] = user_passwd_entry unless etc[:passwd].has_key?(entry_name)
       end
 
       Etc.group do |entry|
         group_entry = Mash.new(:gid => entry.gid,
-                               :members => entry.mem.map {|u| fix_encoding(u)})
+                               :members => entry.mem.map { |u| fix_encoding(u) })
 
         etc[:group][fix_encoding(entry.name)] = group_entry
       end
diff --git a/lib/ohai/plugins/powershell.rb b/lib/ohai/plugins/powershell.rb
index 79eadb82..bf315806 100644
--- a/lib/ohai/plugins/powershell.rb
+++ b/lib/ohai/plugins/powershell.rb
@@ -40,21 +40,21 @@ Ohai.plugin(:Powershell) do
         kv = line.strip.split(/\s+/, 2)
         version_info[kv[0]] = kv[1] if kv.length == 2
       end
-      powershell[:version] = version_info['PSVersion']
-      powershell[:ws_man_stack_version] = version_info['WSManStackVersion']
-      powershell[:serialization_version] = version_info['SerializationVersion']
-      powershell[:clr_version] = version_info['CLRVersion']
-      powershell[:build_version] = version_info['BuildVersion']
-      powershell[:compatible_versions] = parse_compatible_versions(version_info['PSCompatibleVersions'])
-      powershell[:remoting_protocol_version] = version_info['PSRemotingProtocolVersion']
+      powershell[:version] = version_info["PSVersion"]
+      powershell[:ws_man_stack_version] = version_info["WSManStackVersion"]
+      powershell[:serialization_version] = version_info["SerializationVersion"]
+      powershell[:clr_version] = version_info["CLRVersion"]
+      powershell[:build_version] = version_info["BuildVersion"]
+      powershell[:compatible_versions] = parse_compatible_versions(version_info["PSCompatibleVersions"])
+      powershell[:remoting_protocol_version] = version_info["PSRemotingProtocolVersion"]
       languages[:powershell] = powershell if powershell[:version]
     end
   end
 
   def parse_compatible_versions(versions_str)
     if versions_str
-      if versions_str.strip.start_with?('{') && versions_str.end_with?('}')
-        versions = versions_str.gsub(/[{}\s]+/,'').split(',')
+      if versions_str.strip.start_with?("{") && versions_str.end_with?("}")
+        versions = versions_str.gsub(/[{}\s]+/, "").split(",")
         versions if versions.length
       end
     end
diff --git a/lib/ohai/plugins/ps.rb b/lib/ohai/plugins/ps.rb
index 2232e781..5edd3bb8 100644
--- a/lib/ohai/plugins/ps.rb
+++ b/lib/ohai/plugins/ps.rb
@@ -24,11 +24,11 @@ Ohai.plugin(:PS) do
   depends "command"
 
   collect_data(:aix, :darwin, :hpux, :linux, :solaris2) do
-    command[:ps] = 'ps -ef'
+    command[:ps] = "ps -ef"
   end
 
   collect_data(:freebsd, :netbsd, :openbsd, :dragonflybsd) do
     # ps -e requires procfs
-    command[:ps] = 'ps -axww'
+    command[:ps] = "ps -axww"
   end
 end
diff --git a/lib/ohai/plugins/python.rb b/lib/ohai/plugins/python.rb
index bb93d0ea..e493421c 100644
--- a/lib/ohai/plugins/python.rb
+++ b/lib/ohai/plugins/python.rb
@@ -32,7 +32,7 @@ Ohai.plugin(:Python) do
       output = so.stdout.split
       python[:version] = output[0]
       if output.length >= 6
-        python[:builddate] = "%s %s %s %s" % [output[2],output[3],output[4],output[5].gsub!(/\)/,'')]
+        python[:builddate] = "%s %s %s %s" % [output[2], output[3], output[4], output[5].gsub!(/\)/, "")]
       end
 
       languages[:python] = python if python[:version] and python[:builddate]
diff --git a/lib/ohai/plugins/rackspace.rb b/lib/ohai/plugins/rackspace.rb
index 7aa02b2d..18a6216e 100644
--- a/lib/ohai/plugins/rackspace.rb
+++ b/lib/ohai/plugins/rackspace.rb
@@ -27,7 +27,7 @@ Ohai.plugin(:Rackspace) do
   # true:: If kernel name matches
   # false:: Otherwise
   def has_rackspace_kernel?
-    kernel[:release].split('-').last.eql?("rscloud")
+    kernel[:release].split("-").last.eql?("rscloud")
   end
 
   # Checks for rackspace provider attribute
@@ -38,7 +38,7 @@ Ohai.plugin(:Rackspace) do
   def has_rackspace_metadata?
     so = shell_out("xenstore-read vm-data/provider_data/provider")
     if so.exitstatus == 0
-      so.stdout.strip.downcase == 'rackspace'
+      so.stdout.strip.downcase == "rackspace"
     end
   rescue Errno::ENOENT
     false
@@ -50,7 +50,7 @@ Ohai.plugin(:Rackspace) do
   # true:: If the rackspace cloud can be identified
   # false:: Otherwise
   def looks_like_rackspace?
-    hint?('rackspace') || has_rackspace_metadata? || has_rackspace_kernel?
+    hint?("rackspace") || has_rackspace_metadata? || has_rackspace_kernel?
   end
 
   # Names rackspace ip address
@@ -60,7 +60,7 @@ Ohai.plugin(:Rackspace) do
   # eth<Symbol>:: Interface name of public or private ip
   def get_ip_address(name, eth)
     network[:interfaces][eth][:addresses].each do |key, info|
-      if info['family'] == 'inet'
+      if info["family"] == "inet"
         rackspace[name] = key
         break # break when we found an address
       end
@@ -75,7 +75,7 @@ Ohai.plugin(:Rackspace) do
   def get_global_ipv6_address(name, eth)
     network[:interfaces][eth][:addresses].each do |key, info|
       # check if we got an ipv6 address and if its in global scope
-      if info['family'] == 'inet6' && info['scope'] == 'Global'
+      if info["family"] == "inet6" && info["scope"] == "Global"
         rackspace[name] = key
         break # break when we found an address
       end
@@ -111,24 +111,24 @@ Ohai.plugin(:Rackspace) do
   # Get the rackspace private networks
   #
   def get_private_networks()
-    so = shell_out('xenstore-ls vm-data/networking')
+    so = shell_out("xenstore-ls vm-data/networking")
     if so.exitstatus == 0
       networks = []
-      so.stdout.split("\n").map{|l| l.split('=').first.strip }.map do |item|
+      so.stdout.split("\n").map { |l| l.split("=").first.strip }.map do |item|
         _so = shell_out("xenstore-read vm-data/networking/#{item}")
         if _so.exitstatus == 0
           networks.push(FFI_Yajl::Parser.new.parse(_so.stdout))
         else
-          Ohai::Log.debug('rackspace plugin: Unable to capture custom private networking information for Rackspace cloud')
+          Ohai::Log.debug("rackspace plugin: Unable to capture custom private networking information for Rackspace cloud")
           return false
         end
       end
       # these networks are already known to ohai, and are not 'private networks'
-      networks.delete_if { |hash| hash['label'] == 'private' }
-      networks.delete_if { |hash| hash['label'] == 'public' }
+      networks.delete_if { |hash| hash["label"] == "private" }
+      networks.delete_if { |hash| hash["label"] == "public" }
     end
   rescue Errno::ENOENT
-    Ohai::Log.debug('rackspace plugin: Unable to capture custom private networking information for Rackspace cloud')
+    Ohai::Log.debug("rackspace plugin: Unable to capture custom private networking information for Rackspace cloud")
     nil
   end
 
diff --git a/lib/ohai/plugins/root_group.rb b/lib/ohai/plugins/root_group.rb
index 51fb9a4b..c6f2605d 100644
--- a/lib/ohai/plugins/root_group.rb
+++ b/lib/ohai/plugins/root_group.rb
@@ -16,17 +16,17 @@
 # limitations under the License.
 
 Ohai.plugin(:RootGroup) do
-  provides 'root_group'
+  provides "root_group"
 
-  require 'ohai/util/win32/group_helper' if RUBY_PLATFORM =~ /mswin|mingw32|windows/
+  require "ohai/util/win32/group_helper" if RUBY_PLATFORM =~ /mswin|mingw32|windows/
 
   collect_data do
-    case ::RbConfig::CONFIG['host_os']
+    case ::RbConfig::CONFIG["host_os"]
     when /mswin|mingw32|windows/
       group = Ohai::Util::Win32::GroupHelper.windows_root_group_name
       root_group group
     else
-      root_group Etc.getgrgid(Etc.getpwnam('root').gid).name
+      root_group Etc.getgrgid(Etc.getpwnam("root").gid).name
     end
   end
 end
diff --git a/lib/ohai/plugins/ruby.rb b/lib/ohai/plugins/ruby.rb
index d3116da9..a378855c 100644
--- a/lib/ohai/plugins/ruby.rb
+++ b/lib/ohai/plugins/ruby.rb
@@ -43,7 +43,7 @@ Ohai.plugin(:Ruby) do
       :host_os => "RbConfig::CONFIG['host_os']",
       :host_vendor => "RbConfig::CONFIG['host_vendor']",
       :bin_dir => "RbConfig::CONFIG['bindir']",
-      :ruby_bin => "::File.join(RbConfig::CONFIG['bindir'], RbConfig::CONFIG['ruby_install_name'])"
+      :ruby_bin => "::File.join(RbConfig::CONFIG['bindir'], RbConfig::CONFIG['ruby_install_name'])",
     }
 
     # Create a query string from above hash
@@ -56,8 +56,8 @@ Ohai.plugin(:Ruby) do
     result = run_ruby "puts %Q(#{env_string})"
 
     # Parse results to plugin hash
-    result.split(',').each do |entry|
-      key, value = entry.split('=')
+    result.split(",").each do |entry|
+      key, value = entry.split("=")
       languages[:ruby][key.to_sym] = value || ""
     end
 
@@ -66,9 +66,9 @@ Ohai.plugin(:Ruby) do
     ruby_bin = languages[:ruby][:ruby_bin]
     gem_binaries = [
                     run_ruby("require 'rubygems'; puts ::Gem.default_exec_format % 'gem'"),
-                    "gem"
-                   ].map {|bin| ::File.join(bin_dir, bin)}
-    gem_binary = gem_binaries.find {|bin| ::File.exists? bin }
+                    "gem",
+                   ].map { |bin| ::File.join(bin_dir, bin) }
+    gem_binary = gem_binaries.find { |bin| ::File.exists? bin }
     if gem_binary
       languages[:ruby][:gems_dir] = run_ruby "puts %x{#{ruby_bin} #{gem_binary} env gemdir}.chomp!"
       languages[:ruby][:gem_bin] = gem_binary
diff --git a/lib/ohai/plugins/rust.rb b/lib/ohai/plugins/rust.rb
index 9e65a3fa..f268d9cb 100644
--- a/lib/ohai/plugins/rust.rb
+++ b/lib/ohai/plugins/rust.rb
@@ -24,7 +24,7 @@ Ohai.plugin(:Rust) do
     rust = Mash.new
     so = shell_out("rustc --version")
     if so.exitstatus == 0
-      output =  so.stdout.split
+      output = so.stdout.split
       rust[:version] = output[1]
       languages[:rust] = rust if rust[:version]
     end
diff --git a/lib/ohai/plugins/sigar/cpu.rb b/lib/ohai/plugins/sigar/cpu.rb
index a5bcc73f..54f8387c 100644
--- a/lib/ohai/plugins/sigar/cpu.rb
+++ b/lib/ohai/plugins/sigar/cpu.rb
@@ -20,7 +20,7 @@ Ohai.plugin(:CPU) do
   provides "cpu"
 
   collect_data(:hpux, :default) do
-    require 'sigar'
+    require "sigar"
 
     sigar = Sigar.new
 
diff --git a/lib/ohai/plugins/sigar/filesystem.rb b/lib/ohai/plugins/sigar/filesystem.rb
index a01c379e..234fc16f 100644
--- a/lib/ohai/plugins/sigar/filesystem.rb
+++ b/lib/ohai/plugins/sigar/filesystem.rb
@@ -36,7 +36,7 @@ Ohai.plugin(:Filesystem) do
         fs[filesystem][:kb_size] = (usage.total / 1024).to_s
         fs[filesystem][:kb_used] = ((usage.total - usage.free) / 1024).to_s
         fs[filesystem][:kb_available] = (usage.free / 1024).to_s
-        fs[filesystem][:percent_used] = (usage.use_percent * 100).to_s + '%'
+        fs[filesystem][:percent_used] = (usage.use_percent * 100).to_s + "%"
       rescue SystemExit => e
         raise
       rescue Exception => e
diff --git a/lib/ohai/plugins/sigar/network.rb b/lib/ohai/plugins/sigar/network.rb
index 36cf581b..d5bfa52d 100644
--- a/lib/ohai/plugins/sigar/network.rb
+++ b/lib/ohai/plugins/sigar/network.rb
@@ -16,7 +16,7 @@
 # limitations under the License.
 #
 
-require 'ohai/mixin/network_constants'
+require "ohai/mixin/network_constants"
 
 Ohai.plugin(:Network) do
   include Ohai::Mixin::NetworkConstants
@@ -57,8 +57,8 @@ Ohai.plugin(:Network) do
       if ifconfig.address != "0.0.0.0"
         iface[cint][:addresses][ifconfig.address] = { "family" => "inet" }
         # Backwards compat: no broadcast on tunnel or loopback dev
-        if (((ifconfig.flags & Sigar::IFF_POINTOPOINT) == 0) &&
-            ((ifconfig.flags & Sigar::IFF_LOOPBACK) == 0))
+        if ((ifconfig.flags & Sigar::IFF_POINTOPOINT) == 0) &&
+           ((ifconfig.flags & Sigar::IFF_LOOPBACK) == 0)
           iface[cint][:addresses][ifconfig.address]["broadcast"] = ifconfig.broadcast
         end
         iface[cint][:addresses][ifconfig.address]["netmask"] = ifconfig.netmask
@@ -70,20 +70,20 @@ Ohai.plugin(:Network) do
         iface[cint][:addresses][ifconfig.address6]["scope"] = Sigar.net_scope_to_s(ifconfig.scope6)
       end
 
-      iface[cint][:flags] = Sigar.net_interface_flags_to_s(ifconfig.flags).split(' ')
+      iface[cint][:flags] = Sigar.net_interface_flags_to_s(ifconfig.flags).split(" ")
       iface[cint][:mtu] = ifconfig.mtu.to_s
       iface[cint][:queuelen] = ifconfig.tx_queue_len.to_s
 
       net_counters[cint] = Mash.new unless net_counters[cint]
-      if (!cint.include?(":"))
+      if !cint.include?(":")
         ifstat = sigar.net_interface_stat(cint)
         net_counters[cint][:rx] = { "packets" => ifstat.rx_packets.to_s, "errors"     => ifstat.rx_errors.to_s,
-          "drop"    => ifstat.rx_dropped.to_s, "overrun"    => ifstat.rx_overruns.to_s,
-          "frame"   => ifstat.rx_frame.to_s,   "bytes"      => ifstat.rx_bytes.to_s }
+                                    "drop"    => ifstat.rx_dropped.to_s, "overrun"    => ifstat.rx_overruns.to_s,
+                                    "frame"   => ifstat.rx_frame.to_s,   "bytes"      => ifstat.rx_bytes.to_s }
         net_counters[cint][:tx] = { "packets" => ifstat.tx_packets.to_s, "errors"     => ifstat.tx_errors.to_s,
-          "drop"    => ifstat.tx_dropped.to_s, "overrun"    => ifstat.tx_overruns.to_s,
-          "carrier" => ifstat.tx_carrier.to_s, "collisions" => ifstat.tx_collisions.to_s,
-          "bytes"   => ifstat.tx_bytes.to_s }
+                                    "drop"    => ifstat.tx_dropped.to_s, "overrun"    => ifstat.tx_overruns.to_s,
+                                    "carrier" => ifstat.tx_carrier.to_s, "collisions" => ifstat.tx_collisions.to_s,
+                                    "bytes"   => ifstat.tx_bytes.to_s }
       end
     end
 
@@ -154,12 +154,12 @@ Ohai.plugin(:Network) do
       next unless network[:interfaces][route.ifname] # this
       # should never happen
       network[:interfaces][route.ifname][:route] = Mash.new unless network[:interfaces][route.ifname][:route]
-      route_data={}
+      route_data = {}
       Ohai::Mixin::NetworkConstants::SIGAR_ROUTE_METHODS.each do |m|
         if(m == :flags)
-          route_data[m]=flags(route.send(m))
+          route_data[m] = flags(route.send(m))
         else
-          route_data[m]=route.send(m)
+          route_data[m] = route.send(m)
         end
       end
       network[:interfaces][route.ifname][:route][route.destination] = route_data
diff --git a/lib/ohai/plugins/sigar/network_route.rb b/lib/ohai/plugins/sigar/network_route.rb
index 0275e5a5..eaed4052 100644
--- a/lib/ohai/plugins/sigar/network_route.rb
+++ b/lib/ohai/plugins/sigar/network_route.rb
@@ -16,7 +16,7 @@
 # limitations under the License.
 #
 
-require 'ohai/mixin/network_constants'
+require "ohai/mixin/network_constants"
 
 Ohai.plugin(:NetworkRoutes) do
   include Ohai::Mixin::NetworkConstants
@@ -45,12 +45,12 @@ Ohai.plugin(:NetworkRoutes) do
     sigar.net_route_list.each do |route|
       next unless network[:interfaces][route.ifname] # this should never happen
       network[:interfaces][route.ifname][:route] = Mash.new unless network[:interfaces][route.ifname][:route]
-      route_data={}
+      route_data = {}
       Ohai::Mixin::NetworkConstants::SIGAR_ROUTE_METHODS.each do |m|
         if(m == :flags)
-          route_data[m]=flags(route.send(m))
+          route_data[m] = flags(route.send(m))
         else
-          route_data[m]=route.send(m)
+          route_data[m] = route.send(m)
         end
       end
       network[:interfaces][route.ifname][:route][route.destination] = route_data
diff --git a/lib/ohai/plugins/softlayer.rb b/lib/ohai/plugins/softlayer.rb
index 4704e0a6..528d0785 100644
--- a/lib/ohai/plugins/softlayer.rb
+++ b/lib/ohai/plugins/softlayer.rb
@@ -18,12 +18,12 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-require 'ohai/mixin/softlayer_metadata'
+require "ohai/mixin/softlayer_metadata"
 
 Ohai.plugin(:Softlayer) do
   include ::Ohai::Mixin::SoftlayerMetadata
 
-  provides 'softlayer'
+  provides "softlayer"
 
   # Identifies the softlayer cloud
   #
@@ -31,7 +31,7 @@ Ohai.plugin(:Softlayer) do
   # true:: If the softlayer cloud can be identified
   # false:: Otherwise
   def looks_like_softlayer?
-    hint?('softlayer')
+    hint?("softlayer")
   end
 
   collect_data do
@@ -40,7 +40,7 @@ Ohai.plugin(:Softlayer) do
       Ohai::Log.debug("softlayer plugin: looks_like_softlayer? == true")
       metadata = fetch_metadata
       softlayer Mash.new
-      metadata.each { |k,v| softlayer[k] = v } if metadata
+      metadata.each { |k, v| softlayer[k] = v } if metadata
     else
       Ohai::Log.debug("softlayer plugin: looks_like_softlayer? == false")
     end
diff --git a/lib/ohai/plugins/solaris2/cpu.rb b/lib/ohai/plugins/solaris2/cpu.rb
index a403940e..4a60318e 100644
--- a/lib/ohai/plugins/solaris2/cpu.rb
+++ b/lib/ohai/plugins/solaris2/cpu.rb
@@ -16,13 +16,13 @@
 
 Ohai.plugin(:CPU) do
   provides "cpu"
-  
+
   collect_data(:solaris2) do
     cpu Mash.new
     # This does assume that /usr/bin/kstat is in the path
     processor_info = shell_out("kstat -p cpu_info").stdout.lines
-    cpu["total"] = 0 
-    cpu["sockets"] = 0 
+    cpu["total"] = 0
+    cpu["sockets"] = 0
     cpu["cores"] = 0
     cpu["corethreads"] = 0
     cpu["cpustates"] = Mash.new
@@ -31,35 +31,35 @@ Ohai.plugin(:CPU) do
     cpucores = Array.new
     cpusockets = Array.new
     processor_info.each_with_index do |processor, i|
-      desc,instance,record,keyvalue = processor.split(":")
+      desc, instance, record, keyvalue = processor.split(":")
       cpu[instance] ||= Mash.new
-      if (currentcpu !=  instance)
-         cpu["total"] += 1
-         currentcpu = instance
-      end 
+      if (currentcpu != instance)
+        cpu["total"] += 1
+        currentcpu = instance
+      end
       kv = keyvalue.split(/\s+/)
       key = kv.shift
       value = kv.join(" ").chomp
       case key
         when /chip_id/
-           cpu[instance]["socket"] = value
-           cpusockets.push(value) if cpusockets.index(value).nil?
+          cpu[instance]["socket"] = value
+          cpusockets.push(value) if cpusockets.index(value).nil?
         when /cpu_type/
-           cpu[instance]["arch"] = value
+          cpu[instance]["arch"] = value
         when /clock_MHz/
-           cpu[instance]["mhz"] = value
+          cpu[instance]["mhz"] = value
         when /brand/
-           cpu[instance]["model_name"] = value.sub(/\s+/," ")
+          cpu[instance]["model_name"] = value.sub(/\s+/, " ")
         when /^state$/
-           cpu[instance]["state"] = value
-           cpu["cpustates"][value] ||= 0 
-           cpu["cpustates"][value] += 1 
+          cpu[instance]["state"] = value
+          cpu["cpustates"][value] ||= 0
+          cpu["cpustates"][value] += 1
         when /core_id/
-           cpu[instance]["core_id"] = value
+          cpu[instance]["core_id"] = value
            # Detect hyperthreading/multithreading
-           cpucores.push(value) if cpucores.index(value).nil?
+          cpucores.push(value) if cpucores.index(value).nil?
         when /family|fpu_type|model|stepping|vendor_id/
-           cpu[instance][key] = value
+          cpu[instance][key] = value
       end
     end
     cpu["cores"] = cpucores.size
diff --git a/lib/ohai/plugins/solaris2/dmi.rb b/lib/ohai/plugins/solaris2/dmi.rb
index 71b3367f..f4d8cc3c 100644
--- a/lib/ohai/plugins/solaris2/dmi.rb
+++ b/lib/ohai/plugins/solaris2/dmi.rb
@@ -6,9 +6,9 @@
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at
-# 
+#
 #     http://www.apache.org/licenses/LICENSE-2.0
-# 
+#
 # Unless required by applicable law or agreed to in writing, software
 # distributed under the License is distributed on an "AS IS" BASIS,
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
@@ -20,72 +20,72 @@ Ohai.plugin(:DMI) do
   provides "dmi"
 
   collect_data(:solaris2) do
-    require 'ohai/common/dmi'
+    require "ohai/common/dmi"
 
     # if we already have a "dmi" with keys (presumably from dmidecode), don't try smbios
     # note that a single key just means dmidecode exited with its version
-    if (dmi.class.to_s == 'Mash') and (dmi.keys.length > 1) 
-      Ohai::Log.debug('skipping smbios output, since DMI information has already been provided')
+    if (dmi.class.to_s == "Mash") and (dmi.keys.length > 1)
+      Ohai::Log.debug("skipping smbios output, since DMI information has already been provided")
       return
     end
 
     dmi Mash.new
 
-    # bad Solaris shows strings defined by system instead of SMB IDs 
+    # bad Solaris shows strings defined by system instead of SMB IDs
     # this is what the *real* IDs are:
     # pulled from http://src.opensolaris.org/source/xref/nwam/nwam1/usr/src/uts/common/sys/smbios.h
     smb_to_id = {
-      'SMB_TYPE_BIOS' =>         0, # BIOS information (R)
-      'SMB_TYPE_SYSTEM' =>       1, # system information (R)
-      'SMB_TYPE_BASEBOARD' =>    2, # base board
-      'SMB_TYPE_CHASSIS' =>      3, # system enclosure or chassis (R)
-      'SMB_TYPE_PROCESSOR' =>    4, # processor (R)
-      'SMB_TYPE_MEMCTL' =>       5, # memory controller (O)
-      'SMB_TYPE_MEMMOD' =>       6, # memory module (O)
-      'SMB_TYPE_CACHE' =>        7, # processor cache (R)
-      'SMB_TYPE_PORT' =>         8, # port connector
-      'SMB_TYPE_SLOT' =>         9, # upgradeable system slot (R)
-      'SMB_TYPE_OBDEVS' =>       10, # on-board devices
-      'SMB_TYPE_OEMSTR' =>       11, # OEM string table
-      'SMB_TYPE_SYSCONFSTR' =>   12, # system configuration string table
-      'SMB_TYPE_LANG' =>         13, # BIOS language information
-      'SMB_TYPE_GROUP' =>        14, # group associations
-      'SMB_TYPE_EVENTLOG' =>     15, # system event log
-      'SMB_TYPE_MEMARRAY' =>     16, # physical memory array (R)
-      'SMB_TYPE_MEMDEVICE' =>    17, # memory device (R)
-      'SMB_TYPE_MEMERR32' =>     18, # 32-bit memory error information
-      'SMB_TYPE_MEMARRAYMAP' =>  19, # memory array mapped address (R)
-      'SMB_TYPE_MEMDEVICEMAP' => 20, # memory device mapped address (R)
-      'SMB_TYPE_POINTDEV' =>     21, # built-in pointing device
-      'SMB_TYPE_BATTERY' =>      22, # portable battery
-      'SMB_TYPE_RESET' =>        23, # system reset settings
-      'SMB_TYPE_SECURITY' =>     24, # hardware security settings
-      'SMB_TYPE_POWERCTL' =>     25, # system power controls
-      'SMB_TYPE_VPROBE' =>       26, # voltage probe
-      'SMB_TYPE_COOLDEV' =>      27, # cooling device
-      'SMB_TYPE_TPROBE' =>       28, # temperature probe
-      'SMB_TYPE_IPROBE' =>       29, # current probe
-      'SMB_TYPE_OOBRA' =>        30, # out-of-band remote access facility
-      'SMB_TYPE_BIS' =>          31, # boot integrity services
-      'SMB_TYPE_BOOT' =>         32, # system boot status (R)
-      'SMB_TYPE_MEMERR64' =>     33, # 64-bit memory error information
-      'SMB_TYPE_MGMTDEV' =>      34, # management device
-      'SMB_TYPE_MGMTDEVCP' =>    35, # management device component
-      'SMB_TYPE_MGMTDEVDATA' =>  36, # management device threshold data
-      'SMB_TYPE_MEMCHAN' =>      37, # memory channel
-      'SMB_TYPE_IPMIDEV' =>      38, # IPMI device information
-      'SMB_TYPE_POWERSUP' =>     39, # system power supply
-      'SMB_TYPE_ADDINFO' =>      40, # additional information
-      'SMB_TYPE_OBDEVEXT' =>     41, # on-board device extended info
-      'SMB_TYPE_MCHI' =>         42, # mgmt controller host interface
-      'SMB_TYPE_INACTIVE' =>     126, # inactive table entry
-      'SMB_TYPE_EOT' =>          127, # end of table
-      'SMB_TYPE_OEM_LO' =>       128, # start of OEM-specific type range
-      'SUN_OEM_EXT_PROCESSOR' => 132, # processor extended info
-      'SUN_OEM_PCIEXRC' =>       138, # PCIE RootComplex/RootPort info
-      'SUN_OEM_EXT_MEMARRAY' =>  144, # phys memory array extended info
-      'SUN_OEM_EXT_MEMDEVICE' => 145, # memory device extended info
-      'SMB_TYPE_OEM_HI' =>       256, # end of OEM-specific type range
+      "SMB_TYPE_BIOS" =>         0, # BIOS information (R)
+      "SMB_TYPE_SYSTEM" =>       1, # system information (R)
+      "SMB_TYPE_BASEBOARD" =>    2, # base board
+      "SMB_TYPE_CHASSIS" =>      3, # system enclosure or chassis (R)
+      "SMB_TYPE_PROCESSOR" =>    4, # processor (R)
+      "SMB_TYPE_MEMCTL" =>       5, # memory controller (O)
+      "SMB_TYPE_MEMMOD" =>       6, # memory module (O)
+      "SMB_TYPE_CACHE" =>        7, # processor cache (R)
+      "SMB_TYPE_PORT" =>         8, # port connector
+      "SMB_TYPE_SLOT" =>         9, # upgradeable system slot (R)
+      "SMB_TYPE_OBDEVS" =>       10, # on-board devices
+      "SMB_TYPE_OEMSTR" =>       11, # OEM string table
+      "SMB_TYPE_SYSCONFSTR" =>   12, # system configuration string table
+      "SMB_TYPE_LANG" =>         13, # BIOS language information
+      "SMB_TYPE_GROUP" =>        14, # group associations
+      "SMB_TYPE_EVENTLOG" =>     15, # system event log
+      "SMB_TYPE_MEMARRAY" =>     16, # physical memory array (R)
+      "SMB_TYPE_MEMDEVICE" =>    17, # memory device (R)
+      "SMB_TYPE_MEMERR32" =>     18, # 32-bit memory error information
+      "SMB_TYPE_MEMARRAYMAP" =>  19, # memory array mapped address (R)
+      "SMB_TYPE_MEMDEVICEMAP" => 20, # memory device mapped address (R)
+      "SMB_TYPE_POINTDEV" =>     21, # built-in pointing device
+      "SMB_TYPE_BATTERY" =>      22, # portable battery
+      "SMB_TYPE_RESET" =>        23, # system reset settings
+      "SMB_TYPE_SECURITY" =>     24, # hardware security settings
+      "SMB_TYPE_POWERCTL" =>     25, # system power controls
+      "SMB_TYPE_VPROBE" =>       26, # voltage probe
+      "SMB_TYPE_COOLDEV" =>      27, # cooling device
+      "SMB_TYPE_TPROBE" =>       28, # temperature probe
+      "SMB_TYPE_IPROBE" =>       29, # current probe
+      "SMB_TYPE_OOBRA" =>        30, # out-of-band remote access facility
+      "SMB_TYPE_BIS" =>          31, # boot integrity services
+      "SMB_TYPE_BOOT" =>         32, # system boot status (R)
+      "SMB_TYPE_MEMERR64" =>     33, # 64-bit memory error information
+      "SMB_TYPE_MGMTDEV" =>      34, # management device
+      "SMB_TYPE_MGMTDEVCP" =>    35, # management device component
+      "SMB_TYPE_MGMTDEVDATA" =>  36, # management device threshold data
+      "SMB_TYPE_MEMCHAN" =>      37, # memory channel
+      "SMB_TYPE_IPMIDEV" =>      38, # IPMI device information
+      "SMB_TYPE_POWERSUP" =>     39, # system power supply
+      "SMB_TYPE_ADDINFO" =>      40, # additional information
+      "SMB_TYPE_OBDEVEXT" =>     41, # on-board device extended info
+      "SMB_TYPE_MCHI" =>         42, # mgmt controller host interface
+      "SMB_TYPE_INACTIVE" =>     126, # inactive table entry
+      "SMB_TYPE_EOT" =>          127, # end of table
+      "SMB_TYPE_OEM_LO" =>       128, # start of OEM-specific type range
+      "SUN_OEM_EXT_PROCESSOR" => 132, # processor extended info
+      "SUN_OEM_PCIEXRC" =>       138, # PCIE RootComplex/RootPort info
+      "SUN_OEM_EXT_MEMARRAY" =>  144, # phys memory array extended info
+      "SUN_OEM_EXT_MEMDEVICE" => 145, # memory device extended info
+      "SMB_TYPE_OEM_HI" =>       256, # end of OEM-specific type range
     }
 
     # all output lines should fall within one of these patterns
@@ -103,9 +103,9 @@ Ohai.plugin(:DMI) do
     # ==== EXAMPLE: ====
     # ID    SIZE TYPE
     # 0     40   SMB_TYPE_BIOS (BIOS information)
-    # 
+    #
     #   Vendor: HP
-    #   Version String: 2.16  
+    #   Version String: 2.16
     # ... similar lines trimmed
     #   Characteristics: 0x7fc9da80
     #         SMB_BIOSFL_PCI (PCI is supported)
@@ -116,7 +116,7 @@ Ohai.plugin(:DMI) do
       next if blank_line.match(raw_line)
 
       # remove/replace any characters that don't fall inside permissible ASCII range, or whitespace
-      line = raw_line.gsub(/[^\x20-\x7E\n\t\r]/, '.')
+      line = raw_line.gsub(/[^\x20-\x7E\n\t\r]/, ".")
       if (line != raw_line)
         Ohai::Log.debug("converted characters from line:\n#{raw_line}")
       end
@@ -164,7 +164,7 @@ Ohai.plugin(:DMI) do
           Ohai::Log.debug("unexpected data line found before header; discarding:\n#{line}")
           next
         end
-        dmi[dmi_record[:type]][:all_records][dmi_record[:position]][data[1]] = ''
+        dmi[dmi_record[:type]][:all_records][dmi_record[:position]][data[1]] = ""
         field = data[1]
 
       elsif extended_data = extended_data_line.match(line)
@@ -177,7 +177,7 @@ Ohai.plugin(:DMI) do
           next
         end
         # overwrite "raw" value with a new Mash
-        dmi[dmi_record[:type]][:all_records][dmi_record[:position]][field] = Mash.new unless dmi[dmi_record[:type]][:all_records][dmi_record[:position]][field].class.to_s == 'Mash'
+        dmi[dmi_record[:type]][:all_records][dmi_record[:position]][field] = Mash.new unless dmi[dmi_record[:type]][:all_records][dmi_record[:position]][field].class.to_s == "Mash"
         dmi[dmi_record[:type]][:all_records][dmi_record[:position]][field][extended_data[1]] = extended_data[2]
 
       else
diff --git a/lib/ohai/plugins/solaris2/filesystem.rb b/lib/ohai/plugins/solaris2/filesystem.rb
index 3c029e7b..263ae037 100644
--- a/lib/ohai/plugins/solaris2/filesystem.rb
+++ b/lib/ohai/plugins/solaris2/filesystem.rb
@@ -42,10 +42,10 @@ Ohai.plugin(:Filesystem) do
     # Grab file system type from df (must be done separately)
     so = shell_out("df -na")
     so.stdout.lines do |line|
-      next unless (line =~ /^(.+?)\s*: (\S+)\s*$/)
+      next unless line =~ /^(.+?)\s*: (\S+)\s*$/
       mount = $1
-      fs.each { |filesystem,fs_attributes|
-        next unless (fs_attributes[:mount] == mount)
+      fs.each { |filesystem, fs_attributes|
+        next unless fs_attributes[:mount] == mount
         fs[filesystem][:fs_type] = $2
       }
     end
@@ -53,7 +53,7 @@ Ohai.plugin(:Filesystem) do
     # Grab mount information from /bin/mount
     so = shell_out("mount")
     so.stdout.lines do |line|
-      next unless (line =~ /^(.+?) on (.+?) (.+?) on (.+?)$/)
+      next unless line =~ /^(.+?) on (.+?) (.+?) on (.+?)$/
       filesystem = $2
       fs[filesystem] = Mash.new unless fs.has_key?(filesystem)
       fs[filesystem][:mount] = $1
@@ -69,30 +69,30 @@ Ohai.plugin(:Filesystem) do
     if configuration(:zfs_properties).nil? || configuration(:zfs_properties).empty?
       zfs_get << "all"
     else
-      zfs_get << [configuration(:zfs_properties)].join(',')
+      zfs_get << [configuration(:zfs_properties)].join(",")
     end
     so = shell_out(zfs_get)
     so.stdout.lines do |line|
-      next unless (line =~ /^([^\t]+)\t([^\t]+)\t([^\t]+)\t([^\t]+)$/)
+      next unless line =~ /^([^\t]+)\t([^\t]+)\t([^\t]+)\t([^\t]+)$/
       filesystem = $1
       zfs[filesystem] = Mash.new unless zfs.has_key?(filesystem)
-      zfs[filesystem][:values] = Mash.new unless zfs[filesystem].has_key?('values')
-      zfs[filesystem][:sources] = Mash.new unless zfs[filesystem].has_key?('sources')
+      zfs[filesystem][:values] = Mash.new unless zfs[filesystem].has_key?("values")
+      zfs[filesystem][:sources] = Mash.new unless zfs[filesystem].has_key?("sources")
       zfs[filesystem][:values][$2] = $3
       zfs[filesystem][:sources][$2] = $4.chomp
     end
 
     zfs.each { |filesystem, attributes|
       fs[filesystem] = Mash.new unless fs.has_key?(filesystem)
-      fs[filesystem][:fs_type] = 'zfs'
-      fs[filesystem][:mount] = attributes[:values][:mountpoint] if attributes[:values].has_key?('mountpoint')
+      fs[filesystem][:fs_type] = "zfs"
+      fs[filesystem][:mount] = attributes[:values][:mountpoint] if attributes[:values].has_key?("mountpoint")
       fs[filesystem][:zfs_values] = attributes[:values]
       fs[filesystem][:zfs_sources] = attributes[:sources]
       # find all zfs parents
-      parents = filesystem.split('/')
+      parents = filesystem.split("/")
       zfs_parents = []
-      (0 .. parents.length - 1).to_a.each { |parent_indexes|
-        next_parent = parents[0 .. parent_indexes].join('/')
+      (0..parents.length - 1).to_a.each { |parent_indexes|
+        next_parent = parents[0..parent_indexes].join("/")
         zfs_parents.push(next_parent)
       }
       zfs_parents.pop
diff --git a/lib/ohai/plugins/solaris2/memory.rb b/lib/ohai/plugins/solaris2/memory.rb
index c818698a..3b727f67 100644
--- a/lib/ohai/plugins/solaris2/memory.rb
+++ b/lib/ohai/plugins/solaris2/memory.rb
@@ -20,9 +20,9 @@ Ohai.plugin(:Memory) do
   collect_data(:solaris2) do
     memory Mash.new
     memory[:swap] = Mash.new
-    meminfo =  shell_out("prtconf | grep Memory").stdout
+    meminfo = shell_out("prtconf | grep Memory").stdout
     memory[:total] = "#{meminfo.split[2].to_i * 1024}kB"
-    
+
     tokens = shell_out("swap -s").stdout.strip.split
     used_swap = tokens[8][0..-1].to_i #strip k from end
     free_swap = tokens[10][0..-1].to_i #strip k from end
diff --git a/lib/ohai/plugins/solaris2/network.rb b/lib/ohai/plugins/solaris2/network.rb
index 2c78e60a..8bf56a6f 100644
--- a/lib/ohai/plugins/solaris2/network.rb
+++ b/lib/ohai/plugins/solaris2/network.rb
@@ -73,14 +73,14 @@ Ohai.plugin(:Network) do
 
   def arpname_to_ifname(iface, arpname)
     iface.keys.each do |ifn|
-      return ifn if ifn.split(':')[0].eql?(arpname)
+      return ifn if ifn.split(":")[0].eql?(arpname)
     end
 
     nil
   end
 
   collect_data(:solaris2) do
-    require 'scanf'
+    require "scanf"
 
     iface = Mash.new
     network Mash.new unless network
@@ -98,7 +98,7 @@ Ohai.plugin(:Network) do
         iface[cint][:mtu] = $2
         iface[cint][:index] = $3
         if line =~ / flags\=\d+\<((ADDRCONF|ANYCAST|BROADCAST|CoS|DEPRECATED|DHCP|DUPLICATE|FAILED|FIXEDMTU|INACTIVE|L3PROTECT|LOOPBACK|MIP|MULTI_BCAST|MULTICAST|NOARP|NOFAILOVER|NOLOCAL|NONUD|NORTEXCH|NOXMIT|OFFLINE|POINTOPOINT|PREFERRED|PRIVATE|ROUTER|RUNNING|STANDBY|TEMPORARY|UNNUMBERED|UP|VIRTUAL|XRESOLV|IPv4|IPv6|,)+)\>\s/
-          flags = $1.split(',')
+          flags = $1.split(",")
         else
           flags = Array.new
         end
@@ -111,11 +111,11 @@ Ohai.plugin(:Network) do
       end
       if line =~ /\s+inet (\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}) netmask (([0-9a-f]){1,8})\s*$/
         iface[cint][:addresses] = Mash.new unless iface[cint][:addresses]
-        iface[cint][:addresses][$1] = { "family" => "inet", "netmask" => $2.scanf('%2x'*4)*"."}
+        iface[cint][:addresses][$1] = { "family" => "inet", "netmask" => $2.scanf("%2x" * 4) * "." }
       end
       if line =~ /\s+inet (\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}) netmask (([0-9a-f]){1,8}) broadcast (\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})/
         iface[cint][:addresses] = Mash.new unless iface[cint][:addresses]
-        iface[cint][:addresses][$1] = { "family" => "inet", "netmask" => $2.scanf('%2x'*4)*".", "broadcast" => $4 }
+        iface[cint][:addresses][$1] = { "family" => "inet", "netmask" => $2.scanf("%2x" * 4) * ".", "broadcast" => $4 }
       end
       if line =~ /\s+inet6 ([a-f0-9\:]+)(\s*|(\%[a-z0-9]+)\s*)\/(\d+)\s*$/
         iface[cint][:addresses] = Mash.new unless iface[cint][:addresses]
diff --git a/lib/ohai/plugins/solaris2/virtualization.rb b/lib/ohai/plugins/solaris2/virtualization.rb
index 29abbe03..13ee7839 100644
--- a/lib/ohai/plugins/solaris2/virtualization.rb
+++ b/lib/ohai/plugins/solaris2/virtualization.rb
@@ -22,9 +22,9 @@ Ohai.plugin(:Virtualization) do
   provides "virtualization"
 
   def collect_solaris_guestid
-    command = '/usr/sbin/zoneadm list -p'
+    command = "/usr/sbin/zoneadm list -p"
     so = shell_out(command)
-    so.stdout.split(':').first
+    so.stdout.split(":").first
   end
 
   collect_data(:solaris2) do
@@ -41,7 +41,7 @@ Ohai.plugin(:Virtualization) do
     end
 
     # http://www.dmo.ca/blog/detecting-virtualization-on-linux
-    smbios_path= Ohai.abs_path( "/usr/sbin/smbios" )
+    smbios_path = Ohai.abs_path( "/usr/sbin/smbios" )
     if File.exists?(smbios_path)
       so = shell_out(smbios_path)
       case so.stdout
@@ -60,32 +60,32 @@ Ohai.plugin(:Virtualization) do
       end
     end
 
-    if File.executable?('/usr/sbin/zoneadm')
+    if File.executable?("/usr/sbin/zoneadm")
       zones = Mash.new
       so = shell_out("zoneadm list -pc")
       so.stdout.lines do |line|
         info = line.chomp.split(/:/)
         zones[info[1]] = {
-          'id' => info[0],
-          'state' => info[2],
-          'root' => info[3],
-          'uuid' => info[4],
-          'brand' => info[5],
-          'ip' => info[6],
+          "id" => info[0],
+          "state" => info[2],
+          "root" => info[3],
+          "uuid" => info[4],
+          "brand" => info[5],
+          "ip" => info[6],
         }
       end
 
-      if (zones.length == 1)
+      if zones.length == 1
         first_zone = zones.keys[0]
-        unless( first_zone == 'global')
-          virtualization[:system] = 'zone'
-          virtualization[:role] = 'guest'
-          virtualization[:guest_uuid] = zones[first_zone]['uuid']
+        unless( first_zone == "global")
+          virtualization[:system] = "zone"
+          virtualization[:role] = "guest"
+          virtualization[:guest_uuid] = zones[first_zone]["uuid"]
           virtualization[:guest_id] = collect_solaris_guestid
         end
-      elsif (zones.length > 1)
-        virtualization[:system] = 'zone'
-        virtualization[:role] = 'host'
+      elsif zones.length > 1
+        virtualization[:system] = "zone"
+        virtualization[:role] = "host"
         virtualization[:guests] = zones
       end
     end
diff --git a/lib/ohai/plugins/ssh_host_key.rb b/lib/ohai/plugins/ssh_host_key.rb
index 93fbff27..0491f855 100644
--- a/lib/ohai/plugins/ssh_host_key.rb
+++ b/lib/ohai/plugins/ssh_host_key.rb
@@ -28,8 +28,8 @@ Ohai.plugin(:SSHHostKey) do
       [ "rsa", nil ]
     when /^ecdsa/
       [ "ecdsa", content[0] ]
-    when 'ssh-ed25519'
-      [ 'ed25519', nil ]
+    when "ssh-ed25519"
+      [ "ed25519", nil ]
     else
       [ nil, nil ]
     end
diff --git a/lib/ohai/plugins/uptime.rb b/lib/ohai/plugins/uptime.rb
index f4bd5f4e..c1cc5be5 100644
--- a/lib/ohai/plugins/uptime.rb
+++ b/lib/ohai/plugins/uptime.rb
@@ -24,7 +24,7 @@
 # limitations under the License.
 #
 
-require 'ohai/mixin/seconds_to_human'
+require "ohai/mixin/seconds_to_human"
 
 Ohai.plugin(:Uptime) do
   provides "uptime", "uptime_seconds"
@@ -43,7 +43,7 @@ Ohai.plugin(:Uptime) do
   end
 
   collect_data(:hpux, :default) do
-    require 'sigar'
+    require "sigar"
 
     sigar = Sigar.new
     uptime = sigar.uptime.uptime
@@ -94,11 +94,10 @@ Ohai.plugin(:Uptime) do
   end
 
   collect_data(:windows) do
-    require 'wmi-lite/wmi'
+    require "wmi-lite/wmi"
     wmi = WmiLite::Wmi.new
-    uptime_seconds wmi.first_of('Win32_PerfFormattedData_PerfOS_System')['systemuptime'].to_i
+    uptime_seconds wmi.first_of("Win32_PerfFormattedData_PerfOS_System")["systemuptime"].to_i
     uptime seconds_to_human(uptime_seconds)
   end
 
 end
-
diff --git a/lib/ohai/plugins/virtualbox.rb b/lib/ohai/plugins/virtualbox.rb
index 77e25c28..435f649f 100644
--- a/lib/ohai/plugins/virtualbox.rb
+++ b/lib/ohai/plugins/virtualbox.rb
@@ -17,10 +17,10 @@
 #
 
 Ohai.plugin(:Virtualbox) do
-  provides 'virtualbox'
+  provides "virtualbox"
 
   collect_data do
-    so = shell_out('VBoxControl guestproperty enumerate')
+    so = shell_out("VBoxControl guestproperty enumerate")
     if so.exitstatus == 0
       virtualbox Mash.new
       virtualbox[:host] = Mash.new
diff --git a/lib/ohai/plugins/virtualization.rb b/lib/ohai/plugins/virtualization.rb
index fa126f32..a07f336e 100644
--- a/lib/ohai/plugins/virtualization.rb
+++ b/lib/ohai/plugins/virtualization.rb
@@ -24,31 +24,31 @@ Ohai.plugin(:VirtualizationInfo) do
   collect_data do
     unless virtualization.nil? || !(virtualization[:role].eql?("host"))
       begin
-        require 'libvirt'
-        require 'hpricot'
+        require "libvirt"
+        require "hpricot"
 
-        emu = (virtualization[:system].eql?('kvm') ? 'qemu' : virtualization[:system])
-        virtualization[:libvirt_version] = Libvirt::version(emu)[0].to_s
+        emu = (virtualization[:system].eql?("kvm") ? "qemu" : virtualization[:system])
+        virtualization[:libvirt_version] = Libvirt.version(emu)[0].to_s
 
-        virtconn = Libvirt::open_read_only("#{emu}:///system")
+        virtconn = Libvirt.open_read_only("#{emu}:///system")
 
         virtualization[:uri] = virtconn.uri
         virtualization[:capabilities] = Mash.new
-        virtualization[:capabilities][:xml_desc] = (virtconn.capabilities.split("\n").collect {|line| line.strip}).join
+        virtualization[:capabilities][:xml_desc] = (virtconn.capabilities.split("\n").collect { |line| line.strip }).join
         #xdoc = Hpricot virtualization[:capabilities][:xml_desc]
 
         virtualization[:nodeinfo] = Mash.new
         ni = virtconn.node_get_info
-        ['cores','cpus','memory','mhz','model','nodes','sockets','threads'].each {|a| virtualization[:nodeinfo][a] = ni.send(a)}
+        %w{cores cpus memory mhz model nodes sockets threads}.each { |a| virtualization[:nodeinfo][a] = ni.send(a) }
 
         virtualization[:domains] = Mash.new
         virtconn.list_domains.each do |d|
           dv = virtconn.lookup_domain_by_id d
           virtualization[:domains][dv.name] = Mash.new
           virtualization[:domains][dv.name][:id] = d
-          virtualization[:domains][dv.name][:xml_desc] = (dv.xml_desc.split("\n").collect {|line| line.strip}).join
-          ['os_type','uuid'].each {|a| virtualization[:domains][dv.name][a] = dv.send(a)}
-          ['cpu_time','max_mem','memory','nr_virt_cpu','state'].each {|a| virtualization[:domains][dv.name][a] = dv.info.send(a)}
+          virtualization[:domains][dv.name][:xml_desc] = (dv.xml_desc.split("\n").collect { |line| line.strip }).join
+          %w{os_type uuid}.each { |a| virtualization[:domains][dv.name][a] = dv.send(a) }
+          %w{cpu_time max_mem memory nr_virt_cpu state}.each { |a| virtualization[:domains][dv.name][a] = dv.info.send(a) }
           #xdoc = Hpricot virtualization[:domains][dv.name][:xml_desc]
 
         end
@@ -57,8 +57,8 @@ Ohai.plugin(:VirtualizationInfo) do
         virtconn.list_networks.each do |n|
           nv = virtconn.lookup_network_by_name n
           virtualization[:networks][n] = Mash.new
-          virtualization[:networks][n][:xml_desc] = (nv.xml_desc.split("\n").collect {|line| line.strip}).join
-          ['bridge_name','uuid'].each {|a| virtualization[:networks][n][a] = nv.send(a)}
+          virtualization[:networks][n][:xml_desc] = (nv.xml_desc.split("\n").collect { |line| line.strip }).join
+          %w{bridge_name uuid}.each { |a| virtualization[:networks][n][a] = nv.send(a) }
           #xdoc = Hpricot virtualization[:networks][n][:xml_desc]
 
         end
@@ -67,17 +67,17 @@ Ohai.plugin(:VirtualizationInfo) do
         virtconn.list_storage_pools.each do |pool|
           sp = virtconn.lookup_storage_pool_by_name pool
           virtualization[:storage][pool] = Mash.new
-          virtualization[:storage][pool][:xml_desc] = (sp.xml_desc.split("\n").collect {|line| line.strip}).join
-          ['autostart','uuid'].each {|a| virtualization[:storage][pool][a] = sp.send(a)}
-          ['allocation','available','capacity','state'].each {|a| virtualization[:storage][pool][a] = sp.info.send(a)}
+          virtualization[:storage][pool][:xml_desc] = (sp.xml_desc.split("\n").collect { |line| line.strip }).join
+          %w{autostart uuid}.each { |a| virtualization[:storage][pool][a] = sp.send(a) }
+          %w{allocation available capacity state}.each { |a| virtualization[:storage][pool][a] = sp.info.send(a) }
           #xdoc = Hpricot virtualization[:storage][pool][:xml_desc]
 
           virtualization[:storage][pool][:volumes] = Mash.new
           sp.list_volumes.each do |v|
             virtualization[:storage][pool][:volumes][v] = Mash.new
             sv = sp.lookup_volume_by_name v
-            ['key','name','path'].each {|a| virtualization[:storage][pool][:volumes][v][a] = sv.send(a)}
-            ['allocation','capacity','type'].each {|a| virtualization[:storage][pool][:volumes][v][a] = sv.info.send(a)}
+            %w{key name path}.each { |a| virtualization[:storage][pool][:volumes][v][a] = sv.send(a) }
+            %w{allocation capacity type}.each { |a| virtualization[:storage][pool][:volumes][v][a] = sv.info.send(a) }
           end
         end
 
diff --git a/lib/ohai/plugins/vmware.rb b/lib/ohai/plugins/vmware.rb
index 079f39e9..53327e41 100644
--- a/lib/ohai/plugins/vmware.rb
+++ b/lib/ohai/plugins/vmware.rb
@@ -49,7 +49,7 @@ Ohai.plugin(:VMware) do
         # vmware-toolbox-cmd stat <param> commands
         # Iterate through each parameter supported by the "vwware-toolbox-cmd stat" command, assign value
         # to attribute "vmware[:<parameter>]"
-        [ "hosttime", "speed", "sessionid", "balloon", "swap", "memlimit", "memres", "cpures", "cpulimit" ].each do |param|
+        %w{hosttime speed sessionid balloon swap memlimit memres cpures cpulimit}.each do |param|
           vmware[param] = from_cmd("#{vmtools_path} stat #{param}")
           if vmware[param] =~ /UpdateInfo failed/
             vmware[param] = nil
@@ -58,7 +58,7 @@ Ohai.plugin(:VMware) do
         # vmware-toolbox-cmd <param> status commands
         # Iterate through each parameter supported by the "vwware-toolbox-cmd status" command, assign value
         # to attribute "vmware[:<parameter>]"
-        [ "upgrade", "timesync" ].each do |param|
+        %w{upgrade timesync}.each do |param|
           vmware[param] = from_cmd("#{vmtools_path} #{param} status")
         end
       rescue
diff --git a/lib/ohai/plugins/windows/cpu.rb b/lib/ohai/plugins/windows/cpu.rb
index 50591780..7d07c5f0 100644
--- a/lib/ohai/plugins/windows/cpu.rb
+++ b/lib/ohai/plugins/windows/cpu.rb
@@ -20,14 +20,14 @@ Ohai.plugin(:CPU) do
   provides "cpu"
 
   collect_data(:windows) do
-    require 'wmi-lite/wmi'
+    require "wmi-lite/wmi"
 
     cpu Mash.new
     cores = 0
     logical_processors = 0
 
     wmi = WmiLite::Wmi.new
-    processors = wmi.instances_of('Win32_Processor')
+    processors = wmi.instances_of("Win32_Processor")
 
     processors.each_with_index do |processor, index|
       current_cpu = index.to_s
@@ -43,23 +43,23 @@ Ohai.plugin(:CPU) do
       #
 
       begin
-        cpu[current_cpu]["cores"] = processor['numberofcores']
-        cores += processor['numberofcores']
+        cpu[current_cpu]["cores"] = processor["numberofcores"]
+        cores += processor["numberofcores"]
       rescue NoMethodError => e
         Ohai::Log.info("Can not find numberofcores property on Win32_Processor. Consider applying this patch: http://support.microsoft.com/kb/932370")
         cpu[current_cpu]["cores"] = nil
       end
 
-      logical_processors += processor['numberoflogicalprocessors']
-      cpu[current_cpu]["vendor_id"] = processor['manufacturer']
-      cpu[current_cpu]["family"] = processor['family'].to_s
-      cpu[current_cpu]["model"] = processor['revision'].to_s
-      cpu[current_cpu]["stepping"] = processor['stepping'].nil? \
-                  ? processor['description'].match(/Stepping\s+(\d+)/)[1] \
-                  : processor['stepping']
-      cpu[current_cpu]["physical_id"] = processor['deviceid']
-      cpu[current_cpu]["model_name"] = processor['description']
-      cpu[current_cpu]["mhz"] = processor['maxclockspeed'].to_s
+      logical_processors += processor["numberoflogicalprocessors"]
+      cpu[current_cpu]["vendor_id"] = processor["manufacturer"]
+      cpu[current_cpu]["family"] = processor["family"].to_s
+      cpu[current_cpu]["model"] = processor["revision"].to_s
+      cpu[current_cpu]["stepping"] = processor["stepping"].nil? \
+                  ? processor["description"].match(/Stepping\s+(\d+)/)[1] \
+                  : processor["stepping"]
+      cpu[current_cpu]["physical_id"] = processor["deviceid"]
+      cpu[current_cpu]["model_name"] = processor["description"]
+      cpu[current_cpu]["mhz"] = processor["maxclockspeed"].to_s
       cpu[current_cpu]["cache_size"] = "#{processor['l2cachesize']} KB"
     end
 
diff --git a/lib/ohai/plugins/windows/drivers.rb b/lib/ohai/plugins/windows/drivers.rb
index 91c4c8dc..425d33dc 100644
--- a/lib/ohai/plugins/windows/drivers.rb
+++ b/lib/ohai/plugins/windows/drivers.rb
@@ -22,23 +22,23 @@ Ohai.plugin(:Drivers) do
   collect_data(:windows) do
     if configuration(:enabled)
 
-      require 'wmi-lite/wmi'
+      require "wmi-lite/wmi"
 
       kext = Mash.new
       pnp_drivers = Mash.new
 
       wmi = WmiLite::Wmi.new
 
-      drivers = wmi.instances_of('Win32_PnPSignedDriver')
+      drivers = wmi.instances_of("Win32_PnPSignedDriver")
       drivers.each do |driver|
-        pnp_drivers[driver['deviceid']] = Mash.new
+        pnp_drivers[driver["deviceid"]] = Mash.new
         driver.wmi_ole_object.properties_.each do |p|
-          pnp_drivers[driver['deviceid']][p.name.wmi_underscore.to_sym] = driver[p.name.downcase]
+          pnp_drivers[driver["deviceid"]][p.name.wmi_underscore.to_sym] = driver[p.name.downcase]
         end
-        if driver['devicename']
-          kext[driver['devicename']] = pnp_drivers[driver['deviceid']]
-          kext[driver['devicename']][:version] = pnp_drivers[driver['deviceid']][:driver_version]
-          kext[driver['devicename']][:date] = pnp_drivers[driver['deviceid']][:driver_date] ? pnp_drivers[driver['deviceid']][:driver_date].to_s[0..7] : nil
+        if driver["devicename"]
+          kext[driver["devicename"]] = pnp_drivers[driver["deviceid"]]
+          kext[driver["devicename"]][:version] = pnp_drivers[driver["deviceid"]][:driver_version]
+          kext[driver["devicename"]][:date] = pnp_drivers[driver["deviceid"]][:driver_date] ? pnp_drivers[driver["deviceid"]][:driver_date].to_s[0..7] : nil
         end
       end
 
diff --git a/lib/ohai/plugins/windows/filesystem.rb b/lib/ohai/plugins/windows/filesystem.rb
index 9d6efa58..7b226526 100644
--- a/lib/ohai/plugins/windows/filesystem.rb
+++ b/lib/ohai/plugins/windows/filesystem.rb
@@ -21,7 +21,7 @@ Ohai.plugin(:Filesystem) do
 
   collect_data(:windows) do
 
-    require 'wmi-lite/wmi'
+    require "wmi-lite/wmi"
 
     fs = Mash.new
     ld_info = Mash.new
@@ -30,10 +30,10 @@ Ohai.plugin(:Filesystem) do
 
     # Grab filesystem data from WMI
     # Note: we should really be parsing Win32_Volume and Win32_Mapped drive
-    disks = wmi.instances_of('Win32_LogicalDisk')
+    disks = wmi.instances_of("Win32_LogicalDisk")
 
     disks.each do |disk|
-      filesystem = disk['deviceid']
+      filesystem = disk["deviceid"]
       fs[filesystem] = Mash.new
       ld_info[filesystem] = Mash.new
       disk.wmi_ole_object.properties_.each do |p|
@@ -42,7 +42,7 @@ Ohai.plugin(:Filesystem) do
       fs[filesystem][:kb_size] = ld_info[filesystem][:size].to_i / 1000
       fs[filesystem][:kb_available] = ld_info[filesystem][:free_space].to_i / 1000
       fs[filesystem][:kb_used] = fs[filesystem][:kb_size].to_i - fs[filesystem][:kb_available].to_i
-      fs[filesystem][:percent_used]  = (fs[filesystem][:kb_size].to_i != 0 ? fs[filesystem][:kb_used].to_i * 100 / fs[filesystem][:kb_size].to_i : 0)
+      fs[filesystem][:percent_used] = (fs[filesystem][:kb_size].to_i != 0 ? fs[filesystem][:kb_used].to_i * 100 / fs[filesystem][:kb_size].to_i : 0)
       fs[filesystem][:mount] = ld_info[filesystem][:name]
       fs[filesystem][:fs_type] = ld_info[filesystem][:file_system].downcase unless ld_info[filesystem][:file_system] == nil
       fs[filesystem][:volume_name] = ld_info[filesystem][:volume_name]
diff --git a/lib/ohai/plugins/windows/memory.rb b/lib/ohai/plugins/windows/memory.rb
index f62d84db..e0bb46f0 100644
--- a/lib/ohai/plugins/windows/memory.rb
+++ b/lib/ohai/plugins/windows/memory.rb
@@ -35,4 +35,4 @@ Ohai.plugin(:Memory) do
     # SwapFree
     memory[:swap][:free] = os["FreeSpaceInPagingFiles"] + "kB"
   end
-end
\ No newline at end of file
+end
diff --git a/lib/ohai/plugins/windows/network.rb b/lib/ohai/plugins/windows/network.rb
index d9e250eb..65d76cd1 100644
--- a/lib/ohai/plugins/windows/network.rb
+++ b/lib/ohai/plugins/windows/network.rb
@@ -27,7 +27,7 @@ Ohai.plugin(:Network) do
 
   collect_data(:windows) do
 
-    require 'wmi-lite/wmi'
+    require "wmi-lite/wmi"
 
     iface = Mash.new
     iface_config = Mash.new
@@ -40,11 +40,11 @@ Ohai.plugin(:Network) do
     # http://msdn.microsoft.com/en-us/library/windows/desktop/aa394217%28v=vs.85%29.aspx
     wmi = WmiLite::Wmi.new
 
-    adapters = wmi.instances_of('Win32_NetworkAdapterConfiguration')
+    adapters = wmi.instances_of("Win32_NetworkAdapterConfiguration")
 
     adapters.each do |adapter|
 
-      i = adapter['index']
+      i = adapter["index"]
       iface_config[i] = Mash.new
       adapter.wmi_ole_object.properties_.each do |p|
         iface_config[i][p.name.wmi_underscore.to_sym] = adapter[p.name.downcase]
@@ -53,10 +53,10 @@ Ohai.plugin(:Network) do
 
     # http://msdn.microsoft.com/en-us/library/windows/desktop/aa394216(v=vs.85).aspx
 
-    adapters = wmi.instances_of('Win32_NetworkAdapter')
+    adapters = wmi.instances_of("Win32_NetworkAdapter")
 
     adapters.each do |adapter|
-      i = adapter['index']
+      i = adapter["index"]
       iface_instance[i] = Mash.new
       adapter.wmi_ole_object.properties_.each do |p|
         iface_instance[i][p.name.wmi_underscore.to_sym] = adapter[p.name.downcase]
@@ -76,7 +76,7 @@ Ohai.plugin(:Network) do
           ip = iface[cint][:configuration][:ip_address][i]
           _ip = IPAddress("#{ip}/#{iface[cint][:configuration][:ip_subnet][i]}")
           iface[cint][:addresses][ip] = Mash.new(
-                                                 :prefixlen => _ip.prefix
+                                                 :prefixlen => _ip.prefix,
                                                  )
           if _ip.ipv6?
             # inet6 address
@@ -84,7 +84,7 @@ Ohai.plugin(:Network) do
             iface[cint][:addresses][ip][:scope] = "Link" if ip =~ /^fe80/i
           else
             # should be an inet4 address
-            iface[cint][:addresses][ip][:netmask] =  _ip.netmask.to_s
+            iface[cint][:addresses][ip][:netmask] = _ip.netmask.to_s
             if iface[cint][:configuration][:ip_use_zero_broadcast]
               iface[cint][:addresses][ip][:broadcast] = _ip.network.to_s
             else
@@ -110,7 +110,7 @@ Ohai.plugin(:Network) do
       end
     end
 
-    cint=nil
+    cint = nil
     so = shell_out("arp -a")
     if so.exitstatus == 0
       so.stdout.lines do |line|
@@ -119,7 +119,7 @@ Ohai.plugin(:Network) do
         end
         next unless iface[cint]
         if line =~ /^\s+(\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})\s+([a-fA-F0-9\:-]+)/
-          iface[cint][:arp][$1] = $2.gsub("-",":").downcase
+          iface[cint][:arp][$1] = $2.gsub("-", ":").downcase
         end
       end
     end
diff --git a/lib/ohai/plugins/windows/platform.rb b/lib/ohai/plugins/windows/platform.rb
index ba772408..ecdcb777 100644
--- a/lib/ohai/plugins/windows/platform.rb
+++ b/lib/ohai/plugins/windows/platform.rb
@@ -27,8 +27,7 @@ Ohai.plugin(:Platform) do
 
   collect_data(:windows) do
     platform os
-    platform_version kernel['release']
+    platform_version kernel["release"]
     platform_family "windows"
   end
 end
-
diff --git a/lib/ohai/plugins/windows/virtualization.rb b/lib/ohai/plugins/windows/virtualization.rb
index a8b0d211..947e1697 100644
--- a/lib/ohai/plugins/windows/virtualization.rb
+++ b/lib/ohai/plugins/windows/virtualization.rb
@@ -19,38 +19,38 @@
 #
 
 Ohai.plugin(:Virtualization) do
-  provides 'virtualization'
+  provides "virtualization"
 
   collect_data(:windows) do
-    require 'wmi-lite/wmi'
+    require "wmi-lite/wmi"
 
     virtualization Mash.new unless virtualization
     virtualization[:systems] = Mash.new unless virtualization[:systems]
 
     # Grab BIOS data from WMI to determine vendor information
     wmi = WmiLite::Wmi.new
-    bios = wmi.instances_of('Win32_BIOS')
+    bios = wmi.instances_of("Win32_BIOS")
 
-    case bios[0]['manufacturer']
-    when 'innotek GmbH'
-      virtualization[:system] = 'vbox'
-      virtualization[:role] = 'guest'
-      virtualization[:systems][:vbox] = 'guest'
-    when 'Parallels Software International Inc.'
-      virtualization[:system] = 'parallels'
-      virtualization[:role] = 'guest'
-      virtualization[:systems][:parallels] = 'guest'
-    when 'Bochs'
+    case bios[0]["manufacturer"]
+    when "innotek GmbH"
+      virtualization[:system] = "vbox"
+      virtualization[:role] = "guest"
+      virtualization[:systems][:vbox] = "guest"
+    when "Parallels Software International Inc."
+      virtualization[:system] = "parallels"
+      virtualization[:role] = "guest"
+      virtualization[:systems][:parallels] = "guest"
+    when "Bochs"
       virtualization[:system] = "kvm"
       virtualization[:role] = "guest"
       virtualization[:systems][:kvm] = "guest"
     end
 
     # vmware fusion detection
-    if bios[0]['serialnumber'] =~ /VMware/
-      virtualization[:system] = 'vmware'
-      virtualization[:role] = 'guest'
-      virtualization[:systems][:vmware] = 'guest'
+    if bios[0]["serialnumber"] =~ /VMware/
+      virtualization[:system] = "vmware"
+      virtualization[:role] = "guest"
+      virtualization[:systems][:vmware] = "guest"
     end
   end
 end
diff --git a/lib/ohai/provides_map.rb b/lib/ohai/provides_map.rb
index 4001844e..da7d8be1 100644
--- a/lib/ohai/provides_map.rb
+++ b/lib/ohai/provides_map.rb
@@ -17,10 +17,10 @@
 # limitations under the License.
 #
 
-require 'ohai/mash'
-require 'ohai/exception'
-require 'ohai/mixin/os'
-require 'ohai/dsl'
+require "ohai/mash"
+require "ohai/exception"
+require "ohai/mixin/os"
+require "ohai/dsl"
 
 module Ohai
   class ProvidesMap
@@ -102,7 +102,7 @@ module Ohai
       plugins.uniq
     end
 
-    def all_plugins(attribute_filter=nil)
+    def all_plugins(attribute_filter = nil)
       if attribute_filter.nil?
         collected = []
         collect_plugins_in(map, collected).uniq
@@ -117,7 +117,7 @@ module Ohai
       raise Ohai::Exceptions::AttributeSyntaxError, "Attribute contains duplicate '/' characters: #{attribute}" if attribute.match(/\/\/+/)
       raise Ohai::Exceptions::AttributeSyntaxError, "Attribute contains a trailing '/': #{attribute}" if attribute.match(/\/$/)
 
-      parts = attribute.split('/')
+      parts = attribute.split("/")
       parts.shift if parts.length != 0 && parts[0].length == 0 # attribute begins with a '/'
       parts
     end
@@ -144,7 +144,7 @@ module Ohai
       # attribute under attr (if attribute = attr/sub1/sub2 then we
       # search provides_map[attr] for sub1/sub2)
       unless rest.empty?
-        subtree = select_closest_subtree(provides_map[attr], rest.join('/'))
+        subtree = select_closest_subtree(provides_map[attr], rest.join("/"))
       end
 
       if subtree.nil?
diff --git a/lib/ohai/runner.rb b/lib/ohai/runner.rb
index 03bf4968..967c96ea 100644
--- a/lib/ohai/runner.rb
+++ b/lib/ohai/runner.rb
@@ -17,7 +17,7 @@
 # limitations under the License
 #
 
-require 'ohai/dsl'
+require "ohai/dsl"
 
 module Ohai
   class Runner
@@ -50,7 +50,7 @@ module Ohai
         raise
       rescue SystemExit # abort or exit from plug-in should exit Ohai with failure code
         raise
-      rescue Exception,Errno::ENOENT => e
+      rescue Exception, Errno::ENOENT => e
         Ohai::Log.debug("Plugin #{plugin.name} threw exception #{e.inspect} #{e.backtrace.join("\n")}")
       end
     end
@@ -63,7 +63,7 @@ module Ohai
 
     def run_v7_plugin(plugin)
       visited = [ plugin ]
-      while !visited.empty?
+      until visited.empty?
         next_plugin = visited.pop
 
         next if next_plugin.has_run?
diff --git a/lib/ohai/system.rb b/lib/ohai/system.rb
index d44c9d7c..c36ac7f6 100644
--- a/lib/ohai/system.rb
+++ b/lib/ohai/system.rb
@@ -16,18 +16,18 @@
 # limitations under the License.
 #
 
-require 'ohai/loader'
-require 'ohai/log'
-require 'ohai/mash'
-require 'ohai/runner'
-require 'ohai/dsl'
-require 'ohai/mixin/command'
-require 'ohai/mixin/os'
-require 'ohai/mixin/string'
-require 'ohai/mixin/constant_helper'
-require 'ohai/provides_map'
-require 'ohai/hints'
-require 'mixlib/shellout'
+require "ohai/loader"
+require "ohai/log"
+require "ohai/mash"
+require "ohai/runner"
+require "ohai/dsl"
+require "ohai/mixin/command"
+require "ohai/mixin/os"
+require "ohai/mixin/string"
+require "ohai/mixin/constant_helper"
+require "ohai/provides_map"
+require "ohai/hints"
+require "mixlib/shellout"
 
 module Ohai
   class System
@@ -65,7 +65,7 @@ module Ohai
       @data[key]
     end
 
-    def all_plugins(attribute_filter=nil)
+    def all_plugins(attribute_filter = nil)
       # Reset the system when all_plugins is called since this function
       # can be run multiple times in order to pick up any changes in the
       # config or plugins with Chef.
@@ -88,7 +88,7 @@ module Ohai
       # Users who are migrating from ohai 6 may give one or more Ohai 6 plugin
       # names as the +attribute_filter+. In this case we return early because
       # the v7 plugin provides map will not have an entry for this plugin.
-      if attribute_filter and Array(attribute_filter).all? {|filter_item| have_v6_plugin?(filter_item) }
+      if attribute_filter and Array(attribute_filter).all? { |filter_item| have_v6_plugin?(filter_item) }
         return true
       end
 
@@ -104,7 +104,7 @@ module Ohai
     end
 
     def have_v6_plugin?(name)
-      @v6_dependency_solver.values.any? {|v6plugin| v6plugin.name == name }
+      @v6_dependency_solver.values.any? { |v6plugin| v6plugin.name == name }
     end
 
     def pathify_v6_plugin(plugin_name)
@@ -117,7 +117,7 @@ module Ohai
     # Make sure that you are not breaking backwards compatibility
     # if you are changing any of the APIs below.
     #
-    def require_plugin(plugin_ref, force=false)
+    def require_plugin(plugin_ref, force = false)
       plugins = [ ]
       # This method is only callable by version 6 plugins.
       # First we check if there exists a v6 plugin that fulfills the dependency.
@@ -147,7 +147,7 @@ module Ohai
           rescue Ohai::Exceptions::DependencyCycle, Ohai::Exceptions::AttributeNotFound => e
             Ohai::Log.error("Encountered error while running plugins: #{e.inspect}")
             raise
-          rescue Exception,Errno::ENOENT => e
+          rescue Exception, Errno::ENOENT => e
             Ohai::Log.debug("Plugin #{plugin.name} threw exception #{e.inspect} #{e.backtrace.join("\n")}")
           end
         end
@@ -163,7 +163,7 @@ module Ohai
     #
     # This method takes a naive approach to v6 plugins: it simply re-runs all
     # of them whenever called.
-    def refresh_plugins(attribute_filter=nil)
+    def refresh_plugins(attribute_filter = nil)
       Ohai::Hints.refresh_hints()
       @provides_map.all_plugins(attribute_filter).each do |plugin|
         plugin.reset!
@@ -181,7 +181,7 @@ module Ohai
     #
     # Pretty Print this object as JSON
     #
-    def json_pretty_print(item=nil)
+    def json_pretty_print(item = nil)
       FFI_Yajl::Encoder.new(pretty: true, validate_utf8: false).encode(item || @data)
     end
 
@@ -192,7 +192,7 @@ module Ohai
       end
       raise ArgumentError, "I cannot find an attribute named #{a}!" if data.nil?
       case data
-      when Hash,Mash,Array,Fixnum
+      when Hash, Mash, Array, Fixnum
         json_pretty_print(data)
       when String
         if data.respond_to?(:lines)
@@ -206,12 +206,13 @@ module Ohai
     end
 
     private
+
     def configure_ohai
       Ohai::Config.merge_deprecated_config
       Ohai.config.merge!(@config)
 
       if Ohai.config[:directory] &&
-          !Ohai.config[:plugin_path].include?(Ohai.config[:directory])
+         !Ohai.config[:plugin_path].include?(Ohai.config[:directory])
         Ohai.config[:plugin_path] << Ohai.config[:directory]
       end
     end
diff --git a/lib/ohai/util/file_helper.rb b/lib/ohai/util/file_helper.rb
index 2b1a83ef..1f78d5a6 100644
--- a/lib/ohai/util/file_helper.rb
+++ b/lib/ohai/util/file_helper.rb
@@ -22,7 +22,7 @@ module Ohai
   module Util
     module FileHelper
       def which(cmd)
-        paths = ENV['PATH'].split(File::PATH_SEPARATOR) + [ '/bin', '/usr/bin', '/sbin', '/usr/sbin' ]
+        paths = ENV["PATH"].split(File::PATH_SEPARATOR) + [ "/bin", "/usr/bin", "/sbin", "/usr/sbin" ]
         paths.each do |path|
           filename = File.join(path, cmd)
           return filename if File.executable?(filename)
@@ -32,4 +32,3 @@ module Ohai
     end
   end
 end
-
diff --git a/lib/ohai/util/ip_helper.rb b/lib/ohai/util/ip_helper.rb
index 5b848e94..f22c4fdd 100644
--- a/lib/ohai/util/ip_helper.rb
+++ b/lib/ohai/util/ip_helper.rb
@@ -14,14 +14,14 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-require 'ipaddress'
+require "ipaddress"
 
 module Ohai
   module Util
     module IpHelper
       # Corresponding to RFC 4192 + RFC 4193
-      IPV6_LINK_LOCAL_UNICAST_BLOCK = IPAddress('fe80::/10')
-      IPV6_PRIVATE_ADDRESS_BLOCK = IPAddress('fc00::/7')
+      IPV6_LINK_LOCAL_UNICAST_BLOCK = IPAddress("fe80::/10")
+      IPV6_PRIVATE_ADDRESS_BLOCK = IPAddress("fc00::/7")
 
       def private_address?(addr)
         ip = IPAddress(addr)
@@ -47,7 +47,7 @@ module Ohai
         if ip.respond_to? :loopback?
           ip.loopback?
         else
-          IPAddress('127.0.0.0/8').include? ip
+          IPAddress("127.0.0.0/8").include? ip
         end
       end
     end
diff --git a/lib/ohai/util/win32.rb b/lib/ohai/util/win32.rb
index 0fac63ac..5cf638d0 100644
--- a/lib/ohai/util/win32.rb
+++ b/lib/ohai/util/win32.rb
@@ -21,19 +21,19 @@ module Ohai
     module Win32
       if RUBY_PLATFORM =~ /mswin|mingw|windows/
 
-        require 'ffi'
+        require "ffi"
 
         extend FFI::Library
 
-        ffi_lib 'advapi32'
+        ffi_lib "advapi32"
 
         attach_function :lookup_account_sid,
-        :LookupAccountSidA,[ :pointer, :pointer, :pointer, :pointer, :pointer, :pointer, :pointer ], :long
+        :LookupAccountSidA, [ :pointer, :pointer, :pointer, :pointer, :pointer, :pointer, :pointer ], :long
 
         attach_function :convert_string_sid_to_sid,
-        :ConvertStringSidToSidA,[ :pointer, :pointer ], :long
+        :ConvertStringSidToSidA, [ :pointer, :pointer ], :long
 
-        ffi_lib 'kernel32'
+        ffi_lib "kernel32"
 
         attach_function :local_free,
         :LocalFree, [ :pointer ], :long
diff --git a/lib/ohai/util/win32/group_helper.rb b/lib/ohai/util/win32/group_helper.rb
index 6c4ed1dc..68134d4f 100644
--- a/lib/ohai/util/win32/group_helper.rb
+++ b/lib/ohai/util/win32/group_helper.rb
@@ -16,7 +16,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-require 'ohai/util/win32'
+require "ohai/util/win32"
 
 module Ohai
   module Util
@@ -26,7 +26,7 @@ module Ohai
       # internal name for the Administrators group, which lets us work
       # properly in environments with a renamed or localized name for the
       # Administrators group
-      BUILTIN_ADMINISTRATORS_SID = 'S-1-5-32-544'
+      BUILTIN_ADMINISTRATORS_SID = "S-1-5-32-544"
 
       def self.windows_root_group_name
         administrators_group_name_result = nil
@@ -40,8 +40,8 @@ module Ohai
         end
 
         administrators_group_name_buffer = 0.chr * 260
-        administrators_group_name_length = [administrators_group_name_buffer.length].pack('L')
-        domain_name_length_buffer = [260].pack('L')
+        administrators_group_name_length = [administrators_group_name_buffer.length].pack("L")
+        domain_name_length_buffer = [260].pack("L")
         sid_use_result = 0.chr * 4
 
         # Use LookupAccountSid rather than WMI's Win32_Group class because WMI will attempt
@@ -73,4 +73,3 @@ module Ohai
     end
   end
 end
-
diff --git a/lib/ohai/version.rb b/lib/ohai/version.rb
index ee92b648..4fc09570 100644
--- a/lib/ohai/version.rb
+++ b/lib/ohai/version.rb
@@ -18,5 +18,5 @@
 
 module Ohai
   OHAI_ROOT = File.expand_path(File.dirname(__FILE__))
-  VERSION = '8.10.0'
+  VERSION = "8.10.0"
 end
diff --git a/ohai.gemspec b/ohai.gemspec
index d7e8ada4..28824396 100644
--- a/ohai.gemspec
+++ b/ohai.gemspec
@@ -1,6 +1,6 @@
 
-$:.unshift File.expand_path('../lib', __FILE__)
-require 'ohai/version'
+$:.unshift File.expand_path("../lib", __FILE__)
+require "ohai/version"
 
 Gem::Specification.new do |s|
   s.name = "ohai"
@@ -42,8 +42,8 @@ Gem::Specification.new do |s|
   s.add_development_dependency "rspec_junit_formatter"
 
   s.bindir = "bin"
-  s.executables = %w(ohai)
+  s.executables = %w{ohai}
 
-  s.require_path = 'lib'
-  s.files = %w(LICENSE README.md Gemfile Rakefile) + Dir.glob("*.gemspec") + Dir.glob("{docs,lib,spec}/**/*")
+  s.require_path = "lib"
+  s.files = %w{LICENSE README.md Gemfile Rakefile} + Dir.glob("*.gemspec") + Dir.glob("{docs,lib,spec}/**/*")
 end
diff --git a/platform_simulation_specs/common/ohai_plugin_common.rb b/platform_simulation_specs/common/ohai_plugin_common.rb
index ee61609f..78dbc90f 100644
--- a/platform_simulation_specs/common/ohai_plugin_common.rb
+++ b/platform_simulation_specs/common/ohai_plugin_common.rb
@@ -16,16 +16,15 @@
 # limitations under the License.
 #
 
-require 'rubygems'
-require 'ffi_yajl'
-require 'ohai'
-require 'yaml'
+require "rubygems"
+require "ffi_yajl"
+require "ohai"
+require "yaml"
 
 module OhaiPluginCommon
   FAKE_SEP = "___"
 
   def fake_command(data, platform, arch, env)
-
     # If the platform or architecture aren't set, take the first one
     # platform = ENV['OHAI_TEST_PLATFORM']
     # arch = ENV['OHAI_TEST_ARCH']
@@ -33,33 +32,32 @@ module OhaiPluginCommon
 
     # env = JSON.load(env)
 
-    argv = ARGV.map { |arg| if /\ / =~ arg then "\"" + arg + "\"" else arg end }.join ' '
-    match = data[platform][arch].select{ |v| v[:params] == argv && v[:env] == env }
+    argv = ARGV.map { |arg| if /\ / =~ arg then "\"" + arg + "\"" else arg end }.join " "
+    match = data[platform][arch].select { |v| v[:params] == argv && v[:env] == env }
 
     raise "No canned output for these settings." if match.empty?
     raise "More than one set of data matches these parameters." if match.size > 1
     match = match[0]
 
-    $stdout.puts match[:stdout] if match[:stdout] != ''
-    $stderr.puts match[:stderr] if match[:stderr] != ''
+    $stdout.puts match[:stdout] if match[:stdout] != ""
+    $stderr.puts match[:stderr] if match[:stderr] != ""
     exit match[:exit_status]
   end
 
   def data_path
-    File.expand_path(File.dirname(__FILE__) + '../../../data/plugins')
+    File.expand_path(File.dirname(__FILE__) + "../../../data/plugins")
   end
 
-  def get_path(path = '')
+  def get_path(path = "")
     File.expand_path(File.dirname(__FILE__) + path)
   end
 
   def plugin_path
-    get_path '/../../../lib/ohai/plugins'
+    get_path "/../../../lib/ohai/plugins"
   end
 
   # read in the data file for fake executables
   def read_output( cmd, path = "#{data_path}" )
-
     #using an anonymous class to minimize scoping issues.
     @data = Class.new do
       @instances
@@ -74,7 +72,7 @@ module OhaiPluginCommon
         @instances << current
       end
       @methods = [:platform, :arch, :env, :params, :stdout, :stderr, :exit_status]
-      @methods.each { |m| self.send(:define_method, m.to_s) { |text| push m.to_sym, text }}
+      @methods.each { |m| self.send(:define_method, m.to_s) { |text| push m.to_sym, text } }
 
       #Format data into a form the rest of the app expects
       def process
@@ -85,7 +83,7 @@ module OhaiPluginCommon
         @instances.each do |i|
           data[i[:platform]] ||= {}
           data[i[:platform]][i[:arch]] ||= []
-          data[i[:platform]][i[:arch]] << i.reject { |k,v| k == :platform || k == :arch }
+          data[i[:platform]][i[:arch]] << i.reject { |k, v| k == :platform || k == :arch }
         end
         data
       end
@@ -112,8 +110,8 @@ eos
 
   # prep fake executable data for writing to a file
   def data_to_string(data)
-    a = data.map do |platform,v|
-      v.map do |arch,v|
+    a = data.map do |platform, v|
+      v.map do |arch, v|
         v.map do |e|
           to_fake_exe_format platform, arch, e[:env], e[:params], e[:stdout], e[:stderr], e[:exit_status]
         end
@@ -123,23 +121,22 @@ eos
   end
 
   def create_exe(cmd, path, platform, arch, env)
-
     # Create a list of directories needed to be created before the file is created.
     # Assume that the #{path} directory exists, but that any directories included in #{cmd} may or may not.
-    dir_list = cmd.split(/\//).inject( [] ) do | acc, ele |
+    dir_list = cmd.split(/\//).inject( [] ) do |acc, ele|
       if acc == []
         acc << ele
       else
         acc << File.join( acc.last, ele )
       end
-    end.reject { | e | e == "" }
-    dir_list = dir_list.map { |e| File.join( path, e )}
+    end.reject { |e| e == "" }
+    dir_list = dir_list.map { |e| File.join( path, e ) }
     cmd_path = dir_list.pop
     bat_path = cmd_path + ".bat"
 
     # Ensure the directories in #{cmd} get created - this is for absolute path support
     # This is a workaround: Dir.exists? doesn't exist in 1.8.7
-    dir_list.each do | e |
+    dir_list.each do |e|
       exists = false
       begin
         Dir.new e
@@ -174,8 +171,8 @@ eof
   # the specified regex
   def clean_path( path, regex )
     Dir.glob( File.join( path, "*" )).
-      reject { | e | e =~ regex }.
-      each { | e | Mixlib::ShellOut.new( "rm -rf #{ e }" ).run_command }
+      reject { |e| e =~ regex }.
+      each { |e| Mixlib::ShellOut.new( "rm -rf #{ e }" ).run_command }
   end
 
   module_function( :fake_command, :data_path, :get_path, :read_output, :clean_path,
@@ -186,7 +183,7 @@ end
 # nil values in test match against both nil and non-existance in source.
 def subsumes?(source, test, path = [], &block)
   if source.is_a?( Hash ) && test.is_a?( Hash )
-    test.all? { |k,v| subsumes?( source[k], v, path.clone << k, &block )}
+    test.all? { |k, v| subsumes?( source[k], v, path.clone << k, &block ) }
   else
     block.call( path, source, test ) if block
     source == test
@@ -204,7 +201,7 @@ def test_plugin(plugin_names, cmd_list)
   # clean the path directory, in case a previous test was interrupted
   OhaiPluginCommon.clean_path OhaiPluginCommon.get_path, /^.*\.rb$/
 
-  l = lambda do | *args |
+  l = lambda do |*args|
     platforms = args[0]
     archs = args[1]
     envs = args[2]
@@ -221,10 +218,10 @@ def test_plugin(plugin_names, cmd_list)
 
                 begin
                   # preserve the path
-                  old_path = ENV[ 'PATH' ]
+                  old_path = ENV[ "PATH" ]
 
                   # create fake executables
-                  cmd_list.each do | c |
+                  cmd_list.each do |c|
                     data = OhaiPluginCommon.read_output( c.gsub( /\//, OhaiPluginCommon::FAKE_SEP ))
 
                     data = data[platform][arch].select { |f| f[:env] == env }
@@ -236,7 +233,7 @@ def test_plugin(plugin_names, cmd_list)
                   end
 
                   # capture all executions in path dir
-                  ENV['PATH'] = path
+                  ENV["PATH"] = path
                   Ohai.instance_eval do
                     def self.abs_path( abs_path )
                       File.join( OhaiPluginCommon.get_path, abs_path )
@@ -244,7 +241,7 @@ def test_plugin(plugin_names, cmd_list)
                   end
 
                   @ohai = Ohai::System.new
-                  plugin_names.each do | plugin_name |
+                  plugin_names.each do |plugin_name|
                     @plugin = get_plugin(plugin_name, @ohai, OhaiPluginCommon.plugin_path)
                     raise "Can not find plugin #{plugin_name}" if @plugin.nil?
                     @plugin.safe_run
@@ -255,12 +252,12 @@ def test_plugin(plugin_names, cmd_list)
                       abs_path
                     end
                   end
-                  ENV['PATH'] = old_path
+                  ENV["PATH"] = old_path
                   OhaiPluginCommon.clean_path OhaiPluginCommon.get_path, /^.*\.rb$/
                 end
 
                 enc = FFI_Yajl::Encoder
-                subsumes?( @ohai.data, ohai ) do | path, source, test |
+                subsumes?( @ohai.data, ohai ) do |path, source, test|
                   path_txt = path.map { |p| "[#{enc.encode( p )}]" }.join
                   if test.nil?
                     txt = "should not set #{path_txt}"
diff --git a/platform_simulation_specs/common/ohai_plugin_common_spec.rb b/platform_simulation_specs/common/ohai_plugin_common_spec.rb
index 56ed74e6..fd83d986 100644
--- a/platform_simulation_specs/common/ohai_plugin_common_spec.rb
+++ b/platform_simulation_specs/common/ohai_plugin_common_spec.rb
@@ -20,7 +20,7 @@ require File.expand_path(File.dirname(__FILE__) + "/ohai_plugin_common.rb")
 
 describe OhaiPluginCommon, "subsumes?" do
   before(:each) do
-    @hash = { "languages" => { "python" => { "version" => "1.6.2", "type" => "interpreted" }}}
+    @hash = { "languages" => { "python" => { "version" => "1.6.2", "type" => "interpreted" } } }
   end
 
   it "returns true if given an exact duplicate" do
@@ -28,25 +28,25 @@ describe OhaiPluginCommon, "subsumes?" do
   end
 
   it "returns false if given an exact duplicate with extra info" do
-    subsumes?( @hash, { "languages" => { "python" => { "version" => "1.6.2", "os" => "darwin", "type" => "interpreted" }}} ).should be_false
-    subsumes?( @hash, { "languages" => { "python" => { "version" => "1.6.2", "os" => {}, "type" => "interpreted" }}} ).should be_false
-    subsumes?( @hash, { "languages" => { "python" => { "version" => "1.6.2", "os" => { "name" => "darwin" }, "type" => "interpreted" }}} ).should be_false
+    subsumes?( @hash, { "languages" => { "python" => { "version" => "1.6.2", "os" => "darwin", "type" => "interpreted" } } } ).should be_false
+    subsumes?( @hash, { "languages" => { "python" => { "version" => "1.6.2", "os" => {}, "type" => "interpreted" } } } ).should be_false
+    subsumes?( @hash, { "languages" => { "python" => { "version" => "1.6.2", "os" => { "name" => "darwin" }, "type" => "interpreted" } } } ).should be_false
   end
 
   it "returns true if all elements in the second hash are in the first hash" do
-    subsumes?( @hash, { "languages" => { "python" => { "version" => "1.6.2" }}} ).should be_true
-    subsumes?( @hash, { "languages" => { "python" => {}}} ).should be_true
-    subsumes?( @hash, { "languages" => {}} ).should be_true
+    subsumes?( @hash, { "languages" => { "python" => { "version" => "1.6.2" } } } ).should be_true
+    subsumes?( @hash, { "languages" => { "python" => {} } } ).should be_true
+    subsumes?( @hash, { "languages" => {} } ).should be_true
   end
 
   it "returns true if the second hash contains a key pointing to a nil where the first hash has nothing" do
-    subsumes?( @hash, { "languages" => { "lua" => nil }} ).should be_true
-    subsumes?( @hash, { "languages" => { "python" => { "version" => "1.6.2" }, "lua" => nil }} ).should be_true
+    subsumes?( @hash, { "languages" => { "lua" => nil } } ).should be_true
+    subsumes?( @hash, { "languages" => { "python" => { "version" => "1.6.2" }, "lua" => nil } } ).should be_true
   end
 
   it "returns false if the second hash has nil in the place of a real value" do
-    subsumes?( @hash, { "languages" => { "python" => { "version" => nil }}} ).should be_false
-    subsumes?( @hash, { "languages" => { "python" => nil }} ).should be_false
-    subsumes?( { "languages" => {}}, { "languages" => nil } ).should be_false
+    subsumes?( @hash, { "languages" => { "python" => { "version" => nil } } } ).should be_false
+    subsumes?( @hash, { "languages" => { "python" => nil } } ).should be_false
+    subsumes?( { "languages" => {} }, { "languages" => nil } ).should be_false
   end
 end
diff --git a/platform_simulation_specs/plugins/c_spec.rb b/platform_simulation_specs/plugins/c_spec.rb
index fea35c51..3cd58e81 100644
--- a/platform_simulation_specs/plugins/c_spec.rb
+++ b/platform_simulation_specs/plugins/c_spec.rb
@@ -16,41 +16,41 @@
 # limitations under the License.
 #
 
-require 'rbconfig'
+require "rbconfig"
 
-require File.expand_path(File.join(File.dirname(__FILE__), '..', '..', '/spec_helper.rb'))
-require File.expand_path( File.join( File.dirname( __FILE__ ), '..', 'common', 'ohai_plugin_common.rb' ))
+require File.expand_path(File.join(File.dirname(__FILE__), "..", "..", "/spec_helper.rb"))
+require File.expand_path( File.join( File.dirname( __FILE__ ), "..", "common", "ohai_plugin_common.rb" ))
 
 describe Ohai::System, "plugin c" do
-  test_plugin([ "languages", "c" ], [ "/lib/libc.so.6", "/lib64/libc.so.6", "gcc", "cl", "devenv.com", "xlc", "cc", "what" ]) do | p |
+  test_plugin(%w{languages c}, [ "/lib/libc.so.6", "/lib64/libc.so.6", "gcc", "cl", "devenv.com", "xlc", "cc", "what" ]) do |p|
     p.test([ "centos-5.5" ], [ "x64" ], [[]], { "languages" => { "c" => {
                  "gcc" => { "version" => "4.1.2", "description" => "gcc version 4.1.2 20080704 (Red Hat 4.1.2-48)" },
                  "glibc" => { "version" => "2.5" , "description" => "GNU C Library stable release version 2.5, by Roland McGrath et al." },
-                 "cl" => nil, "vs" => nil, "xlc" => nil, "sunpro" => nil, "hpcc" => nil }}})
-    p.test([ "centos-6.2" ], [ "x86", "x64" ], [[]], { "languages" => { "c" => {
+                 "cl" => nil, "vs" => nil, "xlc" => nil, "sunpro" => nil, "hpcc" => nil } } })
+    p.test([ "centos-6.2" ], %w{x86 x64}, [[]], { "languages" => { "c" => {
                  "gcc" => { "version" => "4.4.6", "description" => "gcc version 4.4.6 20110731 (Red Hat 4.4.6-3) (GCC) " },
                  "glibc" => { "version" => "2.12", "description" => "GNU C Library stable release version 2.12, by Roland McGrath et al." },
-                 "cl" => nil, "vs" => nil, "xlc" => nil, "sunpro" => nil, "hpcc" => nil }}})
-    p.test([ "ubuntu-10.04" ], [ "x86", "x64" ], [[]],
+                 "cl" => nil, "vs" => nil, "xlc" => nil, "sunpro" => nil, "hpcc" => nil } } })
+    p.test([ "ubuntu-10.04" ], %w{x86 x64}, [[]],
            { "languages" => { "c" => {
                  "glibc" => { "version" => "2.11.1", "description" => "GNU C Library (Ubuntu EGLIBC 2.11.1-0ubuntu7.12) stable release version 2.11.1, by Roland McGrath et al." },
-                 "gcc" => nil, "cl" => nil, "vs" => nil, "xlc" => nil, "sunpro" => nil, "hpcc" => nil }}})
-    p.test([ "ubuntu-12.04", "ubuntu-13.04" ], [ "x86", "x64" ], [[]], { "languages" => { "c" => nil }}, "OC-9993")
-    p.test([ "ubuntu-12.10" ], [ "x64" ], [[]], { "languages" => { "c" => nil }}, "OC-9993")
+                 "gcc" => nil, "cl" => nil, "vs" => nil, "xlc" => nil, "sunpro" => nil, "hpcc" => nil } } })
+    p.test([ "ubuntu-12.04", "ubuntu-13.04" ], %w{x86 x64}, [[]], { "languages" => { "c" => nil } }, "OC-9993")
+    p.test([ "ubuntu-12.10" ], [ "x64" ], [[]], { "languages" => { "c" => nil } }, "OC-9993")
     p.test([ "centos-5.5" ], [ "x64" ], [[ "gcc" ]], { "languages" => { "c" => {
                  "gcc" => { "version" => "4.1.2", "description" => "gcc version 4.1.2 20080704 (Red Hat 4.1.2-54)" },
                  "glibc" => { "version" => "2.5", "description" => "GNU C Library stable release version 2.5, by Roland McGrath et al." },
-                 "cl" => nil, "vs" => nil, "xlc" => nil, "sunpro" => nil, "hpcc" => nil }}})
-    p.test([ "centos-6.2" ], [ "x86", "x64" ], [[ "gcc" ]], { "languages" => { "c" => {
+                 "cl" => nil, "vs" => nil, "xlc" => nil, "sunpro" => nil, "hpcc" => nil } } })
+    p.test([ "centos-6.2" ], %w{x86 x64}, [[ "gcc" ]], { "languages" => { "c" => {
                  "gcc" => { "version" => "4.4.7", "description" => "gcc version 4.4.7 20120313 (Red Hat 4.4.7-3) (GCC) " },
                  "glibc" => { "version" => "2.12", "description" => "GNU C Library stable release version 2.12, by Roland McGrath et al." },
-                 "cl" => nil, "vs" => nil, "xlc" => nil, "sunpro" => nil, "hpcc" => nil }}})
-    p.test([ "ubuntu-10.04" ], [ "x86", "x64" ], [[ "gcc" ]], { "languages" => { "c" => {
+                 "cl" => nil, "vs" => nil, "xlc" => nil, "sunpro" => nil, "hpcc" => nil } } })
+    p.test([ "ubuntu-10.04" ], %w{x86 x64}, [[ "gcc" ]], { "languages" => { "c" => {
                  "gcc" => { "version" => "4.4.3", "description" => "gcc version 4.4.3 (Ubuntu 4.4.3-4ubuntu5.1) " },
                  "glibc" => { "version" => "2.11.1", "description" => "GNU C Library (Ubuntu EGLIBC 2.11.1-0ubuntu7.12) stable release version 2.11.1, by Roland McGrath et al." },
-                 "cl" => nil, "vs" => nil, "xlc" => nil, "sunpro" => nil, "hpcc" => nil }}})
-    p.test([ "ubuntu-12.04" ], [ "x86", "x64" ], [[ "gcc" ]], { "languages" => { "c" => {
+                 "cl" => nil, "vs" => nil, "xlc" => nil, "sunpro" => nil, "hpcc" => nil } } })
+    p.test([ "ubuntu-12.04" ], %w{x86 x64}, [[ "gcc" ]], { "languages" => { "c" => {
                  "gcc" => { "version" => "4.6.3", "description" => "gcc verison 4.6.3 (Ubuntu/Linaro 4.6.3-1ubuntu5) " },
-                 "glibc" => nil, "cl" => nil, "vs" => nil, "xlc" => nil, "sunpro" => nil, "hpcc" => nil }}}, "OC-9993" )
+                 "glibc" => nil, "cl" => nil, "vs" => nil, "xlc" => nil, "sunpro" => nil, "hpcc" => nil } } }, "OC-9993" )
   end
 end
diff --git a/platform_simulation_specs/plugins/erlang_spec.rb b/platform_simulation_specs/plugins/erlang_spec.rb
index 2c33bae8..2fc22ec5 100644
--- a/platform_simulation_specs/plugins/erlang_spec.rb
+++ b/platform_simulation_specs/plugins/erlang_spec.rb
@@ -17,22 +17,22 @@
 # limitations under the License.
 #
 
-require File.expand_path(File.dirname(__FILE__) + '/../../spec_helper.rb')
-require File.expand_path( File.join( File.dirname( __FILE__ ), '..', 'common', 'ohai_plugin_common.rb' ))
+require File.expand_path(File.dirname(__FILE__) + "/../../spec_helper.rb")
+require File.expand_path( File.join( File.dirname( __FILE__ ), "..", "common", "ohai_plugin_common.rb" ))
 
 describe Ohai::System, "plugin erlang" do
-  test_plugin([ "languages", "erlang" ], [ "erl" ]) do | p |
-    p.test([ "centos-5.9", "centos-6.4", "ubuntu-10.04", "ubuntu-12.04" ], [ "x86", "x64" ], [[]],
-           { "languages" => { "erlang" => nil }})
+  test_plugin(%w{languages erlang}, [ "erl" ]) do |p|
+    p.test([ "centos-5.9", "centos-6.4", "ubuntu-10.04", "ubuntu-12.04" ], %w{x86 x64}, [[]],
+           { "languages" => { "erlang" => nil } })
     p.test([ "ubuntu-13.04" ], [ "x64" ], [[]],
-           { "languages" => { "erlang" => nil }})
-    p.test([ "centos-5.9", "centos-6.4" ], [ "x86", "x64" ], [[ "erlang" ]],
-           { "languages" => { "erlang" => { "version" => "5.8.5", "options" => [ "ASYNC_THREADS" ], "emulator" => "BEAM" }}})
-    p.test([ "ubuntu-10.04" ], [ "x86", "x64" ], [[ "erlang" ]],
-           { "languages" => { "erlang" => { "version" => "5.7.4", "options" => [ "ASYNC_THREADS", "HIPE" ], "emulator" => "BEAM" }}})
-    p.test([ "ubuntu-12.04" ], [ "x86", "x64" ], [[ "erlang" ]],
-           { "languages" => { "erlang" => { "version" => "5.8.5", "options" => [ "ASYNC_THREADS" ], "emulator" => "BEAM" }}})
+           { "languages" => { "erlang" => nil } })
+    p.test([ "centos-5.9", "centos-6.4" ], %w{x86 x64}, [[ "erlang" ]],
+           { "languages" => { "erlang" => { "version" => "5.8.5", "options" => [ "ASYNC_THREADS" ], "emulator" => "BEAM" } } })
+    p.test([ "ubuntu-10.04" ], %w{x86 x64}, [[ "erlang" ]],
+           { "languages" => { "erlang" => { "version" => "5.7.4", "options" => %w{ASYNC_THREADS HIPE}, "emulator" => "BEAM" } } })
+    p.test([ "ubuntu-12.04" ], %w{x86 x64}, [[ "erlang" ]],
+           { "languages" => { "erlang" => { "version" => "5.8.5", "options" => [ "ASYNC_THREADS" ], "emulator" => "BEAM" } } })
     p.test([ "ubuntu-13.04" ], [ "x64" ], [[ "erlang" ]],
-           { "languages" => { "erlang" => { "version" => "5.9.1", "options" => [ "ASYNC_THREADS" ], "emulator" => "BEAM" }}})
+           { "languages" => { "erlang" => { "version" => "5.9.1", "options" => [ "ASYNC_THREADS" ], "emulator" => "BEAM" } } })
   end
 end
diff --git a/platform_simulation_specs/plugins/go_spec.rb b/platform_simulation_specs/plugins/go_spec.rb
index 239d0c4e..f76f8372 100644
--- a/platform_simulation_specs/plugins/go_spec.rb
+++ b/platform_simulation_specs/plugins/go_spec.rb
@@ -13,18 +13,18 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-require File.expand_path(File.join(File.dirname(__FILE__), '..', '..', '/spec_helper.rb'))
-require File.expand_path( File.join( File.dirname( __FILE__ ), '..', 'common', 'ohai_plugin_common.rb' ))
+require File.expand_path(File.join(File.dirname(__FILE__), "..", "..", "/spec_helper.rb"))
+require File.expand_path( File.join( File.dirname( __FILE__ ), "..", "common", "ohai_plugin_common.rb" ))
 
 describe Ohai::System, "plugin go" do
-  test_plugin([ "languages", "go" ], [ "go" ]) do | p |
-    p.test([ "centos-6.4", "ubuntu-10.04", "ubuntu-12.04" ], [ "x86", "x64" ], [[]],
-           { "languages" => { "go" => nil }})
+  test_plugin(%w{languages go}, [ "go" ]) do |p|
+    p.test([ "centos-6.4", "ubuntu-10.04", "ubuntu-12.04" ], %w{x86 x64}, [[]],
+           { "languages" => { "go" => nil } })
     p.test([ "ubuntu-13.04" ], [ "x64" ], [[]],
-           { "languages" => { "go" => nil }})
-    p.test([ "centos-6.4", "ubuntu-10.04", "ubuntu-12.04" ], [ "x86", "x64" ], [[ "go" ]],
-           { "languages" => { "go" => { "version" => "0.10.2" }}})
+           { "languages" => { "go" => nil } })
+    p.test([ "centos-6.4", "ubuntu-10.04", "ubuntu-12.04" ], %w{x86 x64}, [[ "go" ]],
+           { "languages" => { "go" => { "version" => "0.10.2" } } })
     p.test([ "ubuntu-13.04" ], [ "x64" ], [[ "go" ]],
-           { "languages" => { "go" => { "version" => "0.10.2" }}})
+           { "languages" => { "go" => { "version" => "0.10.2" } } })
   end
 end
diff --git a/platform_simulation_specs/plugins/groovy_spec.rb b/platform_simulation_specs/plugins/groovy_spec.rb
index 72697d04..cebbdda4 100644
--- a/platform_simulation_specs/plugins/groovy_spec.rb
+++ b/platform_simulation_specs/plugins/groovy_spec.rb
@@ -16,25 +16,24 @@
 # limitations under the License.
 #
 
-
-require File.expand_path(File.join(File.dirname(__FILE__), '..', '..', '/spec_helper.rb'))
-require File.expand_path( File.join( File.dirname( __FILE__ ), '..', 'common', 'ohai_plugin_common.rb' ))
+require File.expand_path(File.join(File.dirname(__FILE__), "..", "..", "/spec_helper.rb"))
+require File.expand_path( File.join( File.dirname( __FILE__ ), "..", "common", "ohai_plugin_common.rb" ))
 
 describe Ohai::System, "plugin groovy" do
-  test_plugin([ "languages", "groovy" ], [ "groovy" ]) do | p |
+  test_plugin(%w{languages groovy}, [ "groovy" ]) do |p|
     p.test([ "centos-5.5", "ubuntu-12.10" ], [ "x64" ], [[]],
-           { "languages" => { "groovy" => nil }})
-    p.test([ "centos-6.2", "ubuntu-12.04", "ubuntu-13.04" ], [ "x86", "x64" ], [[]],
-           { "languages" => { "groovy" => nil }})
-    p.test([ "centos-5.5" ], [ "x64" ], [[ "java", "groovy" ]],
-           { "languages" => { "groovy" => { "version" => "2.1.7" }}})
-    p.test([ "centos-6.2" ], [ "x86", "x64" ], [[ "java", "groovy" ]],
-           { "languages" => { "groovy" => { "version" => "2.1.7" }}})
-    p.test([ "ubuntu-10.04" ], [ "x86", "x64" ], [[ "java", "groovy" ]],
-           { "languages" => { "groovy" => { "version" => "1.6.4" }}})
-    p.test([ "ubuntu-12.04", "ubuntu-13.04" ], [ "x86", "x64" ], [[ "java", "groovy" ]],
-           { "languages" => { "groovy" => { "version" => "1.8.6" }}})
-    p.test([ "ubuntu-12.10" ], [ "x64" ], [[ "java", "groovy" ]],
-           { "languages" => { "groovy" => { "version" => "1.8.6" }}})
+           { "languages" => { "groovy" => nil } })
+    p.test([ "centos-6.2", "ubuntu-12.04", "ubuntu-13.04" ], %w{x86 x64}, [[]],
+           { "languages" => { "groovy" => nil } })
+    p.test([ "centos-5.5" ], [ "x64" ], [%w{java groovy}],
+           { "languages" => { "groovy" => { "version" => "2.1.7" } } })
+    p.test([ "centos-6.2" ], %w{x86 x64}, [%w{java groovy}],
+           { "languages" => { "groovy" => { "version" => "2.1.7" } } })
+    p.test([ "ubuntu-10.04" ], %w{x86 x64}, [%w{java groovy}],
+           { "languages" => { "groovy" => { "version" => "1.6.4" } } })
+    p.test([ "ubuntu-12.04", "ubuntu-13.04" ], %w{x86 x64}, [%w{java groovy}],
+           { "languages" => { "groovy" => { "version" => "1.8.6" } } })
+    p.test([ "ubuntu-12.10" ], [ "x64" ], [%w{java groovy}],
+           { "languages" => { "groovy" => { "version" => "1.8.6" } } })
   end
 end
diff --git a/platform_simulation_specs/plugins/java_spec.rb b/platform_simulation_specs/plugins/java_spec.rb
index 00049d9b..71e1df11 100644
--- a/platform_simulation_specs/plugins/java_spec.rb
+++ b/platform_simulation_specs/plugins/java_spec.rb
@@ -17,50 +17,50 @@
 # limitations under the License.
 #
 
-require File.expand_path(File.dirname(__FILE__) + '/../../spec_helper.rb')
-require File.expand_path( File.join( File.dirname( __FILE__ ), '..', 'common', 'ohai_plugin_common.rb' ))
+require File.expand_path(File.dirname(__FILE__) + "/../../spec_helper.rb")
+require File.expand_path( File.join( File.dirname( __FILE__ ), "..", "common", "ohai_plugin_common.rb" ))
 
 describe Ohai::System, "plugin java (Java5 Client VM)" do
-  test_plugin([ "languages", "java" ], [ "java" ]) do | p |
-    p.test([ "centos-5.9", "centos-6.4", "ubuntu-10.04", "ubuntu-12.04" ], [ "x86", "x64" ], [[]],
-           { "languages" => { "java" => nil }})
+  test_plugin(%w{languages java}, [ "java" ]) do |p|
+    p.test([ "centos-5.9", "centos-6.4", "ubuntu-10.04", "ubuntu-12.04" ], %w{x86 x64}, [[]],
+           { "languages" => { "java" => nil } })
     p.test([ "ubuntu-13.04" ], [ "x64" ], [[]],
-           { "languages" => { "java" => nil }})
+           { "languages" => { "java" => nil } })
     p.test([ "centos-5.9" ], [ "x86" ], [["java"]],
            { "languages" => { "java" => { "version" => "1.6.0_24",
-                 "runtime" => { "name" => "OpenJDK Runtime Environment (IcedTea6 1.11.11.90)", "build" => "rhel-1.41.1.11.11.90.el5_9-i386" },
-                 "hotspot" => { "name" => "OpenJDK Client VM", "build" => "20.0-b12, mixed mode" }}}})
+                                          "runtime" => { "name" => "OpenJDK Runtime Environment (IcedTea6 1.11.11.90)", "build" => "rhel-1.41.1.11.11.90.el5_9-i386" },
+                                          "hotspot" => { "name" => "OpenJDK Client VM", "build" => "20.0-b12, mixed mode" } } } })
     p.test([ "centos-5.9" ], [ "x64" ], [["java"]],
            { "languages" => { "java" => { "version" => "1.6.0_24",
-                 "runtime" => { "name" => "OpenJDK Runtime Environment (IcedTea6 1.11.11.90)", "build" => "rhel-1.41.1.11.11.90.el5_9-x86_64" },
-                 "hotspot" => { "name" => "OpenJDK 64-Bit Server VM", "build" => "20.0-b12, mixed mode" }}}})
+                                          "runtime" => { "name" => "OpenJDK Runtime Environment (IcedTea6 1.11.11.90)", "build" => "rhel-1.41.1.11.11.90.el5_9-x86_64" },
+                                          "hotspot" => { "name" => "OpenJDK 64-Bit Server VM", "build" => "20.0-b12, mixed mode" } } } })
     p.test([ "centos-6.4" ], [ "x86" ], [["java"]],
            { "languages" => { "java" => { "version" => "1.6.0_24",
-                 "runtime" => { "name" => "OpenJDK Runtime Environment (IcedTea6 1.11.11.90)", "build" => "rhel-1.62.1.11.11.90.el6_4-i386" },
-                 "hotspot" => { "name" => "OpenJDK Client VM", "build" => "20.0-b12, mixed mode" }}}})
+                                          "runtime" => { "name" => "OpenJDK Runtime Environment (IcedTea6 1.11.11.90)", "build" => "rhel-1.62.1.11.11.90.el6_4-i386" },
+                                          "hotspot" => { "name" => "OpenJDK Client VM", "build" => "20.0-b12, mixed mode" } } } })
     p.test([ "centos-6.4" ], [ "x64" ], [["java"]],
            { "languages" => { "java" => { "version" => "1.6.0_24",
-                 "runtime" => { "name" => "OpenJDK Runtime Environment (IcedTea6 1.11.11.90)", "build" => "rhel-1.62.1.11.11.90.el6_4-x86_64" },
-                 "hotspot" => { "name" => "OpenJDK 64-Bit Server VM", "build" => "20.0-b12, mixed mode" }}}})
+                                          "runtime" => { "name" => "OpenJDK Runtime Environment (IcedTea6 1.11.11.90)", "build" => "rhel-1.62.1.11.11.90.el6_4-x86_64" },
+                                          "hotspot" => { "name" => "OpenJDK 64-Bit Server VM", "build" => "20.0-b12, mixed mode" } } } })
     p.test([ "ubuntu-10.04" ], [ "x86" ], [["java"]],
            { "languages" => { "java" => { "version" => "1.6.0_27",
-                 "runtime" => { "name" => "OpenJDK Runtime Environment (IcedTea6 1.12.5)", "build" => "6b27-1.12.5-0ubuntu0.10.04.1" },
-                 "hotspot" => { "name" => "OpenJDK Client VM", "build" => "20.0-b12, mixed mode, sharing" }}}})
+                                          "runtime" => { "name" => "OpenJDK Runtime Environment (IcedTea6 1.12.5)", "build" => "6b27-1.12.5-0ubuntu0.10.04.1" },
+                                          "hotspot" => { "name" => "OpenJDK Client VM", "build" => "20.0-b12, mixed mode, sharing" } } } })
     p.test([ "ubuntu-10.04" ], [ "x64" ], [["java"]],
            { "languages" => { "java" => { "version" => "1.6.0_27",
-                 "runtime" => { "name" => "OpenJDK Runtime Environment (IcedTea6 1.12.5)", "build" => "6b27-1.12.5-0ubuntu0.10.04.1" },
-                 "hotspot" => { "name" => "OpenJDK 64-Bit Server VM", "build" => "20.0-b12, mixed mode" }}}})
+                                          "runtime" => { "name" => "OpenJDK Runtime Environment (IcedTea6 1.12.5)", "build" => "6b27-1.12.5-0ubuntu0.10.04.1" },
+                                          "hotspot" => { "name" => "OpenJDK 64-Bit Server VM", "build" => "20.0-b12, mixed mode" } } } })
     p.test([ "ubuntu-12.04" ], [ "x86" ], [["java"]],
            { "languages" => { "java" => { "version" => "1.6.0_27",
-                 "runtime" => { "name" => "OpenJDK Runtime Environment (IcedTea6 1.12.5)", "build" => "6b27-1.12.5-0ubuntu0.12.04.1" },
-                 "hotspot" => { "name" => "OpenJDK Client VM", "build" => "20.0-b12, mixed mode, sharing" }}}})
+                                          "runtime" => { "name" => "OpenJDK Runtime Environment (IcedTea6 1.12.5)", "build" => "6b27-1.12.5-0ubuntu0.12.04.1" },
+                                          "hotspot" => { "name" => "OpenJDK Client VM", "build" => "20.0-b12, mixed mode, sharing" } } } })
     p.test([ "ubuntu-12.04" ], [ "x64" ], [["java"]],
            { "languages" => { "java" => { "version" => "1.6.0_27",
-                 "runtime" => { "name" => "OpenJDK Runtime Environment (IcedTea6 1.12.5)", "build" => "6b27-1.12.5-0ubuntu0.12.04.1" },
-                 "hotspot" => { "name" => "OpenJDK 64-Bit Server VM", "build" => "20.0-b12, mixed mode" }}}})
+                                          "runtime" => { "name" => "OpenJDK Runtime Environment (IcedTea6 1.12.5)", "build" => "6b27-1.12.5-0ubuntu0.12.04.1" },
+                                          "hotspot" => { "name" => "OpenJDK 64-Bit Server VM", "build" => "20.0-b12, mixed mode" } } } })
     p.test([ "ubuntu-13.04" ], [ "x64" ], [["java"]],
            { "languages" => { "java" => { "version" => "1.6.0_27",
-                 "runtime" => { "name" => "OpenJDK Runtime Environment (IcedTea6 1.12.5)", "build" => "6b27-1.12.5-1ubuntu1" },
-                 "hotspot" => { "name" => "OpenJDK 64-Bit Server VM", "build" => "20.0-b12, mixed mode" }}}})
+                                          "runtime" => { "name" => "OpenJDK Runtime Environment (IcedTea6 1.12.5)", "build" => "6b27-1.12.5-1ubuntu1" },
+                                          "hotspot" => { "name" => "OpenJDK 64-Bit Server VM", "build" => "20.0-b12, mixed mode" } } } })
   end
 end
diff --git a/platform_simulation_specs/plugins/kernel_spec.rb b/platform_simulation_specs/plugins/kernel_spec.rb
index d397673b..85a6e4bd 100644
--- a/platform_simulation_specs/plugins/kernel_spec.rb
+++ b/platform_simulation_specs/plugins/kernel_spec.rb
@@ -17,14 +17,14 @@
 # limitations under the License.
 #
 
-require File.expand_path(File.dirname(__FILE__) + '../../../spec_helper.rb')
-require File.expand_path( File.join( File.dirname( __FILE__ ), '..', 'common', 'ohai_plugin_common.rb' ))
+require File.expand_path(File.dirname(__FILE__) + "../../../spec_helper.rb")
+require File.expand_path( File.join( File.dirname( __FILE__ ), "..", "common", "ohai_plugin_common.rb" ))
 
 describe Ohai::System, "Linux kernel plugin" do
-  test_plugin([ "kernel" ], [ "uname", "env" ]) do | p |
-    p.test([ "centos-5.9", "centos-6.4", "ubuntu-10.04", "ubuntu-12.04" ], [ "x86", "x64" ], [[]],
-           { "kernel" => { "os" => "GNU/Linux" }})
+  test_plugin([ "kernel" ], %w{uname env}) do |p|
+    p.test([ "centos-5.9", "centos-6.4", "ubuntu-10.04", "ubuntu-12.04" ], %w{x86 x64}, [[]],
+           { "kernel" => { "os" => "GNU/Linux" } })
     p.test([ "ubuntu-13.04" ], [ "x64" ], [[]],
-           { "kernel" => { "os" => "GNU/Linux" }})
+           { "kernel" => { "os" => "GNU/Linux" } })
   end
 end
diff --git a/platform_simulation_specs/plugins/lua_spec.rb b/platform_simulation_specs/plugins/lua_spec.rb
index dd14dc5c..59f4d038 100644
--- a/platform_simulation_specs/plugins/lua_spec.rb
+++ b/platform_simulation_specs/plugins/lua_spec.rb
@@ -18,21 +18,20 @@
 # limitations under the License.
 #
 
-
-require File.expand_path(File.join(File.dirname(__FILE__), '..', '..', '/spec_helper.rb'))
-require File.expand_path( File.join( File.dirname( __FILE__ ), '..', 'common', 'ohai_plugin_common.rb' ))
+require File.expand_path(File.join(File.dirname(__FILE__), "..", "..", "/spec_helper.rb"))
+require File.expand_path( File.join( File.dirname( __FILE__ ), "..", "common", "ohai_plugin_common.rb" ))
 
 describe Ohai::System, "plugin lua" do
-  test_plugin([ "languages", "lua" ], [ "lua" ]) do | p |
-    p.test([ "centos-6.4" ], ["x86", "x64"], [[], ["lua"]],
-           { "languages" => { "lua" => { "version" => "5.1.4" }}})
-    p.test([ "ubuntu-10.04", "ubuntu-12.04" ], [ "x86", "x64" ], [[]],
-           { "languages" => { "lua" => nil }})
+  test_plugin(%w{languages lua}, [ "lua" ]) do |p|
+    p.test([ "centos-6.4" ], %w{x86 x64}, [[], ["lua"]],
+           { "languages" => { "lua" => { "version" => "5.1.4" } } })
+    p.test([ "ubuntu-10.04", "ubuntu-12.04" ], %w{x86 x64}, [[]],
+           { "languages" => { "lua" => nil } })
     p.test([ "ubuntu-13.04" ], [ "x64" ], [[]],
-           { "languages" => { "lua" => nil }})
-    p.test([ "ubuntu-10.04", "ubuntu-12.04" ], [ "x86", "x64" ], [[ "lua" ]],
-           { "languages" => { "lua" => { "version" => "5.1.4" }}})
+           { "languages" => { "lua" => nil } })
+    p.test([ "ubuntu-10.04", "ubuntu-12.04" ], %w{x86 x64}, [[ "lua" ]],
+           { "languages" => { "lua" => { "version" => "5.1.4" } } })
     p.test([ "ubuntu-13.04" ], [ "x64" ], [["lua"]],
-           { "languages" => { "lua" => { "version" => "5.1.5" }}})
+           { "languages" => { "lua" => { "version" => "5.1.5" } } })
   end
 end
diff --git a/platform_simulation_specs/plugins/nodejs_spec.rb b/platform_simulation_specs/plugins/nodejs_spec.rb
index 042ecadb..fda9d5ff 100644
--- a/platform_simulation_specs/plugins/nodejs_spec.rb
+++ b/platform_simulation_specs/plugins/nodejs_spec.rb
@@ -18,18 +18,18 @@
 # limitations under the License.
 #
 
-require File.expand_path(File.join(File.dirname(__FILE__), '..', '..', '/spec_helper.rb'))
-require File.expand_path( File.join( File.dirname( __FILE__ ), '..', 'common', 'ohai_plugin_common.rb' ))
+require File.expand_path(File.join(File.dirname(__FILE__), "..", "..", "/spec_helper.rb"))
+require File.expand_path( File.join( File.dirname( __FILE__ ), "..", "common", "ohai_plugin_common.rb" ))
 
 describe Ohai::System, "plugin nodejs" do
-  test_plugin([ "languages", "nodejs" ], [ "node" ]) do | p |
-    p.test([ "centos-6.4", "ubuntu-10.04", "ubuntu-12.04" ], [ "x86", "x64" ], [[]],
-           { "languages" => { "nodejs" => nil }})
+  test_plugin(%w{languages nodejs}, [ "node" ]) do |p|
+    p.test([ "centos-6.4", "ubuntu-10.04", "ubuntu-12.04" ], %w{x86 x64}, [[]],
+           { "languages" => { "nodejs" => nil } })
     p.test([ "ubuntu-13.04" ], [ "x64" ], [[]],
-           { "languages" => { "nodejs" => nil }})
-    p.test([ "centos-6.4", "ubuntu-10.04", "ubuntu-12.04" ], [ "x86", "x64" ], [[ "nodejs" ]],
-           { "languages" => { "nodejs" => { "version" => "0.10.2" }}})
+           { "languages" => { "nodejs" => nil } })
+    p.test([ "centos-6.4", "ubuntu-10.04", "ubuntu-12.04" ], %w{x86 x64}, [[ "nodejs" ]],
+           { "languages" => { "nodejs" => { "version" => "0.10.2" } } })
     p.test([ "ubuntu-13.04" ], [ "x64" ], [[ "nodejs" ]],
-           { "languages" => { "nodejs" => { "version" => "0.10.2" }}})
+           { "languages" => { "nodejs" => { "version" => "0.10.2" } } })
   end
 end
diff --git a/platform_simulation_specs/plugins/perl_spec.rb b/platform_simulation_specs/plugins/perl_spec.rb
index 69612d90..aa851796 100644
--- a/platform_simulation_specs/plugins/perl_spec.rb
+++ b/platform_simulation_specs/plugins/perl_spec.rb
@@ -17,26 +17,26 @@
 # limitations under the License.
 #
 
-require File.expand_path(File.dirname(__FILE__) + '/../../spec_helper.rb')
-require File.expand_path( File.join( File.dirname( __FILE__ ), '..', 'common', 'ohai_plugin_common.rb' ))
+require File.expand_path(File.dirname(__FILE__) + "/../../spec_helper.rb")
+require File.expand_path( File.join( File.dirname( __FILE__ ), "..", "common", "ohai_plugin_common.rb" ))
 
 describe Ohai::System, "plugin perl" do
-  test_plugin([ "languages", "perl" ], [ "perl" ]) do | p |
+  test_plugin(%w{languages perl}, [ "perl" ]) do |p|
     p.test([ "centos-5.9" ], [ "x86" ], [[], [ "perl" ]],
-           { "languages" => { "perl" => { "version" => "5.8.8", "archname" => "i386-linux-thread-multi" }}})
+           { "languages" => { "perl" => { "version" => "5.8.8", "archname" => "i386-linux-thread-multi" } } })
     p.test([ "centos-5.9" ], [ "x64" ], [[], [ "perl" ]],
-           { "languages" => { "perl" => { "version" => "5.8.8", "archname" => "x86_64-linux-thread-multi" }}})
+           { "languages" => { "perl" => { "version" => "5.8.8", "archname" => "x86_64-linux-thread-multi" } } })
     p.test([ "centos-6.4" ], [ "x86" ], [[], [ "perl" ]],
-           { "languages" => { "perl" => { "version" => "5.10.1", "archname" => "i386-linux-thread-multi" }}})
+           { "languages" => { "perl" => { "version" => "5.10.1", "archname" => "i386-linux-thread-multi" } } })
     p.test([ "centos-6.4" ], [ "x64" ], [[], [ "perl" ]],
-           { "languages" => { "perl" => { "version" => "5.10.1", "archname" => "x86_64-linux-thread-multi" }}})
+           { "languages" => { "perl" => { "version" => "5.10.1", "archname" => "x86_64-linux-thread-multi" } } })
     p.test([ "ubuntu-10.04" ], [ "x86" ], [[], [ "perl" ]],
-           { "languages" => { "perl" => { "version" => "5.10.1", "archname" => "i486-linux-gnu-thread-multi" }}})
+           { "languages" => { "perl" => { "version" => "5.10.1", "archname" => "i486-linux-gnu-thread-multi" } } })
     p.test([ "ubuntu-10.04" ], [ "x64" ], [[], [ "perl" ]],
-           { "languages" => { "perl" => { "version" => "5.10.1", "archname" => "x86_64-linux-gnu-thread-multi" }}})
+           { "languages" => { "perl" => { "version" => "5.10.1", "archname" => "x86_64-linux-gnu-thread-multi" } } })
     p.test([ "ubuntu-12.04" ], [ "x86" ], [[], [ "perl" ]],
-           { "languages" => { "perl" => { "version" => "5.14.2", "archname" => "i686-linux-gnu-thread-multi-64int" }}})
+           { "languages" => { "perl" => { "version" => "5.14.2", "archname" => "i686-linux-gnu-thread-multi-64int" } } })
     p.test([ "ubuntu-12.04", "ubuntu-13.04" ], [ "x64" ], [[], [ "perl" ]],
-           { "languages" => { "perl" => { "version" => "5.14.2", "archname" => "x86_64-linux-gnu-thread-multi" }}})
+           { "languages" => { "perl" => { "version" => "5.14.2", "archname" => "x86_64-linux-gnu-thread-multi" } } })
   end
 end
diff --git a/platform_simulation_specs/plugins/php_spec.rb b/platform_simulation_specs/plugins/php_spec.rb
index e6094637..6e3ecb59 100644
--- a/platform_simulation_specs/plugins/php_spec.rb
+++ b/platform_simulation_specs/plugins/php_spec.rb
@@ -18,22 +18,22 @@
 # limitations under the License.
 #
 
-require File.expand_path(File.join(File.dirname(__FILE__), '..', '..', '/spec_helper.rb'))
-require File.expand_path( File.join( File.dirname( __FILE__ ), '..', 'common', 'ohai_plugin_common.rb' ))
+require File.expand_path(File.join(File.dirname(__FILE__), "..", "..", "/spec_helper.rb"))
+require File.expand_path( File.join( File.dirname( __FILE__ ), "..", "common", "ohai_plugin_common.rb" ))
 
 describe Ohai::System, "plugin php" do
-  test_plugin([ "languages", "php" ], [ "php" ]) do | p |
-    p.test([ "centos-5.9", "centos-6.4", "ubuntu-10.04", "ubuntu-12.04" ], [ "x86", "x64" ], [[]],
-           { "languages" => { "php" => nil }})
+  test_plugin(%w{languages php}, [ "php" ]) do |p|
+    p.test([ "centos-5.9", "centos-6.4", "ubuntu-10.04", "ubuntu-12.04" ], %w{x86 x64}, [[]],
+           { "languages" => { "php" => nil } })
     p.test([ "ubuntu-13.04" ], [ "x64" ], [[]],
-           { "languages" => { "php" => nil }})
-    p.test([ "centos-5.9", "centos-6.4" ], [ "x86", "x64" ], [[ "php" ]],
-           { "languages" => { "php" => { "version" => "5.3.3" }}})
-    p.test([ "ubuntu-10.04" ], ["x86", "x64"], [[ "php" ]],
-           { "languages" => { "php" => { "version" => "5.3.2-1ubuntu4.20" }}})
-    p.test([ "ubuntu-12.04" ], [ "x86", "x64" ], [[ "php" ]],
-           { "languages" => { "php" => { "version" => "5.3.10-1ubuntu3.7" }}})
+           { "languages" => { "php" => nil } })
+    p.test([ "centos-5.9", "centos-6.4" ], %w{x86 x64}, [[ "php" ]],
+           { "languages" => { "php" => { "version" => "5.3.3" } } })
+    p.test([ "ubuntu-10.04" ], %w{x86 x64}, [[ "php" ]],
+           { "languages" => { "php" => { "version" => "5.3.2-1ubuntu4.20" } } })
+    p.test([ "ubuntu-12.04" ], %w{x86 x64}, [[ "php" ]],
+           { "languages" => { "php" => { "version" => "5.3.10-1ubuntu3.7" } } })
     p.test([ "ubuntu-13.04" ], [ "x64" ], [[ "php" ]],
-           { "languages" => { "php" => { "version" => "5.4.9-4ubuntu2.2" }}})
+           { "languages" => { "php" => { "version" => "5.4.9-4ubuntu2.2" } } })
   end
 end
diff --git a/platform_simulation_specs/plugins/python_spec.rb b/platform_simulation_specs/plugins/python_spec.rb
index f4d58d4c..d34ce105 100644
--- a/platform_simulation_specs/plugins/python_spec.rb
+++ b/platform_simulation_specs/plugins/python_spec.rb
@@ -17,21 +17,20 @@
 # limitations under the License.
 #
 
-
-require File.expand_path(File.dirname(__FILE__) + '/../../spec_helper.rb')
-require File.expand_path( File.join( File.dirname( __FILE__ ), '..', 'common', 'ohai_plugin_common.rb' ))
+require File.expand_path(File.dirname(__FILE__) + "/../../spec_helper.rb")
+require File.expand_path( File.join( File.dirname( __FILE__ ), "..", "common", "ohai_plugin_common.rb" ))
 
 describe Ohai::System, "plugin python" do
-  test_plugin([ "languages", "python" ], [ "python" ]) do | p |
-    p.test([ "centos-5.9" ], [ "x86", "x64" ], [[], [ "python" ]],
-           { "languages" => { "python" => { "version" => "2.4.3" }}})
-    p.test([ "centos-6.4" ], [ "x86", "x64" ], [[], [ "python" ]],
-           { "languages" => { "python" => { "version" => "2.6.6" }}})
-    p.test([ "ubuntu-10.04" ], [ "x86", "x64" ], [[], [ "python" ]],
-           { "languages" => { "python" => { "version" => "2.6.5" }}})
-    p.test([ "ubuntu-12.04" ], [ "x86", "x64" ], [[], [ "python" ]],
-           { "languages" => { "python" => { "version" => "2.7.3"}}})
+  test_plugin(%w{languages python}, [ "python" ]) do |p|
+    p.test([ "centos-5.9" ], %w{x86 x64}, [[], [ "python" ]],
+           { "languages" => { "python" => { "version" => "2.4.3" } } })
+    p.test([ "centos-6.4" ], %w{x86 x64}, [[], [ "python" ]],
+           { "languages" => { "python" => { "version" => "2.6.6" } } })
+    p.test([ "ubuntu-10.04" ], %w{x86 x64}, [[], [ "python" ]],
+           { "languages" => { "python" => { "version" => "2.6.5" } } })
+    p.test([ "ubuntu-12.04" ], %w{x86 x64}, [[], [ "python" ]],
+           { "languages" => { "python" => { "version" => "2.7.3" } } })
     p.test([ "ubuntu-13.04" ], ["x64"], [[], ["python"]],
-           { "languages" => { "python" => { "version" => "2.7.4"}}})
+           { "languages" => { "python" => { "version" => "2.7.4" } } })
   end
 end
diff --git a/platform_simulation_specs/tools/grab_data.rb b/platform_simulation_specs/tools/grab_data.rb
index 93ae56d0..662c874d 100644
--- a/platform_simulation_specs/tools/grab_data.rb
+++ b/platform_simulation_specs/tools/grab_data.rb
@@ -25,12 +25,12 @@
 ##   the data in that file as appropriate.
 ##
 
-require 'yaml'
-require 'set'
-require 'mixlib/shellout'
-require 'mixlib/cli'
-require 'optparse'
-require File.expand_path(File.dirname(__FILE__) + '/../spec/unit/path/ohai_plugin_common.rb')
+require "yaml"
+require "set"
+require "mixlib/shellout"
+require "mixlib/cli"
+require "optparse"
+require File.expand_path(File.dirname(__FILE__) + "/../spec/unit/path/ohai_plugin_common.rb")
 
 #get options
 class MyCLI
@@ -86,12 +86,12 @@ env ||= []
 # collect output
 
 results = params.map do |p|
-  m = Mixlib::ShellOut.new(cmd + ' ' + p)
+  m = Mixlib::ShellOut.new(cmd + " " + p)
   begin
     m.run_command
-    {:env => env, :params => p, :stdout => m.stdout, :stderr => m.stderr, :exit_status => m.exitstatus }
+    { :env => env, :params => p, :stdout => m.stdout, :stderr => m.stderr, :exit_status => m.exitstatus }
   rescue Errno::ENOENT
-    {:env => env, :params => p, :stdout => '', :stderr => 'command not found', :exit_status => 127 }
+    { :env => env, :params => p, :stdout => "", :stderr => "command not found", :exit_status => 127 }
   end
 end
 
diff --git a/spec/functional/application_spec.rb b/spec/functional/application_spec.rb
index ea9803ce..5c98e6ff 100644
--- a/spec/functional/application_spec.rb
+++ b/spec/functional/application_spec.rb
@@ -16,11 +16,11 @@
 # limitations under the License.
 #
 
-require_relative '../spec_helper'
+require_relative "../spec_helper"
 
-require 'ohai/application'
+require "ohai/application"
 
-RSpec.describe 'Ohai::Application' do
+RSpec.describe "Ohai::Application" do
 
   let(:app) { Ohai::Application.new }
   let(:argv) { [] }
@@ -37,12 +37,12 @@ RSpec.describe 'Ohai::Application' do
 
   describe '#configure_ohai' do
 
-    let(:config_content) { '' }
-    let(:config_dir) { Dir.mktmpdir('.chef') }
-    let(:config_location) { File.join(config_dir, 'config.rb') }
+    let(:config_content) { "" }
+    let(:config_dir) { Dir.mktmpdir(".chef") }
+    let(:config_location) { File.join(config_dir, "config.rb") }
 
     before(:each) do
-      File.open(config_location, 'w+') do |f|
+      File.open(config_location, "w+") do |f|
         f.write(config_content)
       end
     end
@@ -51,13 +51,13 @@ RSpec.describe 'Ohai::Application' do
       FileUtils.rm_rf(config_dir)
     end
 
-    context 'when a configuration file is provided as a command line option' do
+    context "when a configuration file is provided as a command line option" do
 
-      let(:argv) { [ '-c', config_location + '.oops' ] }
+      let(:argv) { [ "-c", config_location + ".oops" ] }
 
-      context 'and the configuration file does not exist' do
+      context "and the configuration file does not exist" do
 
-        it 'logs an error and terminates the application' do
+        it "logs an error and terminates the application" do
           expect(STDERR).to receive(:puts).with(/FATAL:/)
           expect(Ohai::Log).to receive(:fatal).
             with(/Specified config file #{argv[1]} does not exist/)
@@ -66,33 +66,33 @@ RSpec.describe 'Ohai::Application' do
       end
     end
 
-    context 'when a workstation configuration file exists' do
+    context "when a workstation configuration file exists" do
 
-      let(:config_content) { 'ohai.disabled_plugins = [ :Foo, :Baz ]' }
+      let(:config_content) { "ohai.disabled_plugins = [ :Foo, :Baz ]" }
 
       # env['KNIFE_HOME']/config.rb is the first config file the workstation
       # config loader looks for:
       # https://github.com/chef/chef/blob/master/chef-config/lib/chef-config/workstation_config_loader.rb#L102
-      let(:env) { { 'KNIFE_HOME' => config_dir } }
+      let(:env) { { "KNIFE_HOME" => config_dir } }
 
       before(:each) do
         allow_any_instance_of(ChefConfig::WorkstationConfigLoader).
           to receive(:env).and_return(env)
       end
 
-      it 'loads the workstation configuration file' do
+      it "loads the workstation configuration file" do
         app.configure_ohai
         expect(Ohai.config[:disabled_plugins]).to eq([ :Foo, :Baz ])
       end
     end
 
-    context 'when the configuration file contains deprecated config options' do
+    context "when the configuration file contains deprecated config options" do
       # For the purpose of these tests it doesn't matter if the configuration
       # file was specified via command line or discovered on the local
       # workstation. It's easier if we pass the configuration file as a cli
       # argument (there's less to stub).
 
-      let(:argv) { [ '-c', config_location ] }
+      let(:argv) { [ "-c", config_location ] }
 
       let(:config_content) do
         <<-CONFIG
@@ -108,11 +108,11 @@ CONFIG
 
       let(:log_level) { :debug }
 
-      let(:log_location) { 'path/to/log' }
+      let(:log_location) { "path/to/log" }
 
-      let(:plugin_path) { '/path/to/plugins' }
+      let(:plugin_path) { "/path/to/plugins" }
 
-      it 'logs warnings for deprecated top-level options' do
+      it "logs warnings for deprecated top-level options" do
         # deprecation warnings for options need to be stubbed in the order
         # they are received, in this case it's the order they appear in the
         # configuration file.
@@ -125,17 +125,17 @@ CONFIG
       end
     end
 
-    context 'when the configuration file has a syntax error' do
+    context "when the configuration file has a syntax error" do
       # For the purpose of these tests it doesn't matter if the configuration
       # file was specified via command line or discovered on the local
       # workstation. It's easier if we pass the configuration file as a cli
       # argument (there's less to stub).
 
-      let(:argv) { [ '-c', config_location ] }
+      let(:argv) { [ "-c", config_location ] }
 
       let(:config_content) { 'config_location "blaaaaa' }
 
-      it 'logs an error and terminates the application' do
+      it "logs an error and terminates the application" do
         expect(STDERR).to receive(:puts).with(/FATAL:/)
         expect(Ohai::Log).to receive(:fatal).
           with(/You have invalid ruby syntax in your config file/)
diff --git a/spec/functional/loader_spec.rb b/spec/functional/loader_spec.rb
index bb9683e3..5053ad6f 100644
--- a/spec/functional/loader_spec.rb
+++ b/spec/functional/loader_spec.rb
@@ -33,7 +33,7 @@ Ohai.plugin(:Foo) do
   provides 'foo'
 end
 EOF
-        File.open(File.join(plugin_directory, "foo.rb"), 'w+') do |f|
+        File.open(File.join(plugin_directory, "foo.rb"), "w+") do |f|
           f.write(plugin_content)
         end
       end
diff --git a/spec/functional/plugins/powershell_spec.rb b/spec/functional/plugins/powershell_spec.rb
index 34a8b61e..865bb850 100644
--- a/spec/functional/plugins/powershell_spec.rb
+++ b/spec/functional/plugins/powershell_spec.rb
@@ -16,16 +16,16 @@
 # limitations under the License.
 #
 
-require File.expand_path(File.dirname(__FILE__) + '/../../spec_helper.rb')
+require File.expand_path(File.dirname(__FILE__) + "/../../spec_helper.rb")
 
-describe Ohai::System, 'languages plugin' do
+describe Ohai::System, "languages plugin" do
   VERSION_MATCHING_REGEX = /^(?:[\d]+\.)+[\d]+$/
-  describe 'powershell plugin', :windows_only do
+  describe "powershell plugin", :windows_only do
     RSpec.shared_examples "a version looking thing" do
-      it 'should be present' do
+      it "should be present" do
         expect(subject).not_to be_nil
       end
-      it 'should look like a version' do
+      it "should look like a version" do
         expect(subject).to match(VERSION_MATCHING_REGEX)
       end
     end
@@ -37,42 +37,42 @@ describe Ohai::System, 'languages plugin' do
 
     subject { @plugin[:languages][:powershell] }
 
-    it 'should have information about powershell' do
+    it "should have information about powershell" do
       expect(subject).not_to be_nil
     end
 
     describe :version do
       subject { @plugin.languages[:powershell][described_class] }
-      it_behaves_like 'a version looking thing'
+      it_behaves_like "a version looking thing"
     end
 
     describe :ws_man_stack_version do
       subject { @plugin.languages[:powershell][described_class] }
-      it_behaves_like 'a version looking thing'
+      it_behaves_like "a version looking thing"
     end
 
     describe :serialization_version do
       subject { @plugin.languages[:powershell][described_class] }
-      it_behaves_like 'a version looking thing'
+      it_behaves_like "a version looking thing"
     end
 
     describe :clr_version do
       subject { @plugin.languages[:powershell][described_class] }
-      it_behaves_like 'a version looking thing'
+      it_behaves_like "a version looking thing"
     end
 
     describe :build_version do
       subject { @plugin.languages[:powershell][described_class] }
-      it_behaves_like 'a version looking thing'
+      it_behaves_like "a version looking thing"
     end
 
     describe :remoting_protocol_version do
       subject { @plugin.languages[:powershell][described_class] }
-      it_behaves_like 'a version looking thing'
+      it_behaves_like "a version looking thing"
     end
 
     describe :compatible_versions do
-      it 'has compatible_versions that look like versions' do
+      it "has compatible_versions that look like versions" do
         @plugin.languages[:powershell][described_class].each do |version|
           expect(version).to match(VERSION_MATCHING_REGEX)
         end
diff --git a/spec/functional/plugins/root_group_spec.rb b/spec/functional/plugins/root_group_spec.rb
index bf87b110..781582d8 100644
--- a/spec/functional/plugins/root_group_spec.rb
+++ b/spec/functional/plugins/root_group_spec.rb
@@ -18,13 +18,13 @@
 # limitations under the License.
 #
 
-require File.expand_path(File.dirname(__FILE__) + '/../../spec_helper.rb')
+require File.expand_path(File.dirname(__FILE__) + "/../../spec_helper.rb")
 
-describe Ohai::System, 'root_group plugin' do
+describe Ohai::System, "root_group plugin" do
   let(:plugin) { get_plugin("root_group") }
 
-  describe 'windows platform', :windows_only do
-    let (:wmi) {  wmi = WmiLite::Wmi.new }
+  describe "windows platform", :windows_only do
+    let (:wmi) { wmi = WmiLite::Wmi.new }
 
     it 'should return the system\'s administrators (root) group' do
       # Notethat the Win32_Group WMI provider can be slow if your
@@ -33,7 +33,7 @@ describe Ohai::System, 'root_group plugin' do
       # something to watch if you run this test in such an environment.
       groups = wmi.query("select * from Win32_Group where sid = 'S-1-5-32-544'")
       expect(groups.length).to eq(1)
-      administrators_group = groups[0]['name'].downcase
+      administrators_group = groups[0]["name"].downcase
       plugin.run
       expect(plugin[:root_group].downcase).to be == administrators_group
     end
diff --git a/spec/ohai_spec.rb b/spec/ohai_spec.rb
index a8df8fcf..376356b0 100644
--- a/spec/ohai_spec.rb
+++ b/spec/ohai_spec.rb
@@ -16,7 +16,7 @@
 # limitations under the License.
 #
 
-require File.expand_path(File.dirname(__FILE__) + '/spec_helper.rb')
+require File.expand_path(File.dirname(__FILE__) + "/spec_helper.rb")
 
 describe Ohai do
 
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index 8d561ea8..5f5491ee 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -1,16 +1,16 @@
-require 'rspec'
-require 'rspec/collection_matchers'
+require "rspec"
+require "rspec/collection_matchers"
 
 # require 'pry-debugger'
 # require 'pry-stack_explorer'
 
 $:.unshift(File.expand_path("../..", __FILE__))
-$:.unshift(File.dirname(__FILE__) + '/../lib')
+$:.unshift(File.dirname(__FILE__) + "/../lib")
 
-require 'spec/support/platform_helpers'
-require 'spec/support/integration_helper'
-require 'wmi-lite'
-require 'ohai'
+require "spec/support/platform_helpers"
+require "spec/support/integration_helper"
+require "wmi-lite"
+require "ohai"
 Ohai.config[:log_level] = :error
 
 PLUGIN_PATH = File.expand_path("../../lib/ohai/plugins", __FILE__)
@@ -112,8 +112,8 @@ RSpec.configure do |config|
   config.filter_run_excluding :unix_only => true unless unix?
   config.filter_run_excluding :ruby_18_only => true unless ruby_18?
   config.filter_run_excluding :ruby_19_only => true unless ruby_19?
-  config.filter_run_excluding :requires_root => true unless ENV['USER'] == 'root'
-  config.filter_run_excluding :requires_unprivileged_user => true if ENV['USER'] == 'root'
+  config.filter_run_excluding :requires_root => true unless ENV["USER"] == "root"
+  config.filter_run_excluding :requires_unprivileged_user => true if ENV["USER"] == "root"
 
   config.run_all_when_everything_filtered = true
 
diff --git a/spec/support/integration_helper.rb b/spec/support/integration_helper.rb
index 56f179d2..ce61b3f1 100644
--- a/spec/support/integration_helper.rb
+++ b/spec/support/integration_helper.rb
@@ -1,11 +1,11 @@
-require 'tmpdir'
+require "tmpdir"
 
-module IntegrationSupport 
+module IntegrationSupport
   def when_plugins_directory(description, &block)
     context "When the plugins directory #{description}" do
 
       before(:each) do
-        @plugins_directory = Dir.mktmpdir('ohai-plugins')
+        @plugins_directory = Dir.mktmpdir("ohai-plugins")
       end
 
       after(:each) do
@@ -21,12 +21,12 @@ module IntegrationSupport
       def with_plugin(plugin_path, contents)
         filename = path_to(plugin_path)
         dir = File.dirname(filename)
-        FileUtils.mkdir_p(dir) unless dir == '.'
-        File.open(filename, 'w') do |file|
+        FileUtils.mkdir_p(dir) unless dir == "."
+        File.open(filename, "w") do |file|
           file.write(contents)
         end
       end
-      
+
       def path_to(plugin_path)
         File.expand_path(plugin_path, @plugins_directory)
       end
@@ -36,7 +36,7 @@ module IntegrationSupport
           with_plugin(plugin_path, contents)
         end
       end
-    
+
       instance_eval(&block)
     end
   end
diff --git a/spec/support/platform_helpers.rb b/spec/support/platform_helpers.rb
index 558817d7..4a4cb91d 100644
--- a/spec/support/platform_helpers.rb
+++ b/spec/support/platform_helpers.rb
@@ -28,4 +28,4 @@ def freebsd?
   !!(RUBY_PLATFORM =~ /freebsd/)
 end
 
-DEV_NULL = windows? ? 'NUL' : '/dev/null'
+DEV_NULL = windows? ? "NUL" : "/dev/null"
diff --git a/spec/unit/application_spec.rb b/spec/unit/application_spec.rb
index 25a92824..0f45786e 100644
--- a/spec/unit/application_spec.rb
+++ b/spec/unit/application_spec.rb
@@ -16,11 +16,11 @@
 # limitations under the License.
 #
 
-require_relative '../spec_helper'
+require_relative "../spec_helper"
 
-require 'ohai/application'
+require "ohai/application"
 
-RSpec.describe 'Ohai::Application' do
+RSpec.describe "Ohai::Application" do
 
   let(:argv) { [] }
   let(:app) { Ohai::Application.new }
@@ -35,12 +35,12 @@ RSpec.describe 'Ohai::Application' do
   end
 
   describe '#configure_ohai' do
-    describe 'loading configuration from a file' do
-      let(:config_file) { '/local/workstation/config' }
-      let(:config_loader) { instance_double('ChefConfig::WorkstationConfigLoader') }
+    describe "loading configuration from a file" do
+      let(:config_file) { "/local/workstation/config" }
+      let(:config_loader) { instance_double("ChefConfig::WorkstationConfigLoader") }
 
-      context 'when specified on the command line' do
-        let(:argv) { [ '-c', config_file ] }
+      context "when specified on the command line" do
+        let(:argv) { [ "-c", config_file ] }
 
         before(:each) do
           if windows?
@@ -54,13 +54,13 @@ RSpec.describe 'Ohai::Application' do
           end
         end
 
-        it 'loads the configuration file' do
+        it "loads the configuration file" do
           expect(config_loader).to receive(:load)
           app.configure_ohai
         end
 
-        context 'when the configuration file does not exist' do
-          it 'terminates the application' do
+        context "when the configuration file does not exist" do
+          it "terminates the application" do
             expect(config_loader).to receive(:load).and_raise(ChefConfig::ConfigurationError)
             expect(Ohai::Application).to receive(:fatal!)
             app.configure_ohai
@@ -68,25 +68,25 @@ RSpec.describe 'Ohai::Application' do
         end
       end
 
-      context 'when a local workstation config exists' do
+      context "when a local workstation config exists" do
         before(:each) do
           expect(ChefConfig::WorkstationConfigLoader).to receive(:new).
             with(nil, Ohai::Log).
             and_return(config_loader)
         end
 
-        it 'loads the configuration file' do
+        it "loads the configuration file" do
           expect(config_loader).to receive(:load)
           app.configure_ohai
         end
       end
     end
 
-    context 'when CLI options are provided' do
-      let(:argv) { [ '-d', directory ] }
-      let(:directory) { '/some/fantastic/plugins' }
+    context "when CLI options are provided" do
+      let(:argv) { [ "-d", directory ] }
+      let(:directory) { "/some/fantastic/plugins" }
 
-      it 'does not generate deprecated config warnings for cli options' do
+      it "does not generate deprecated config warnings for cli options" do
         expect(Ohai::Log).to_not receive(:warn).
           with(/Ohai::Config\[:directory\] is deprecated/)
         app.configure_ohai
diff --git a/spec/unit/config_spec.rb b/spec/unit/config_spec.rb
index 5cb591b2..4be23ce8 100644
--- a/spec/unit/config_spec.rb
+++ b/spec/unit/config_spec.rb
@@ -16,9 +16,9 @@
 # limitations under the License.
 #
 
-require_relative '../spec_helper'
+require_relative "../spec_helper"
 
-require 'ohai/config'
+require "ohai/config"
 
 RSpec.describe Ohai::Config do
 
diff --git a/spec/unit/dsl/plugin_spec.rb b/spec/unit/dsl/plugin_spec.rb
index 07873449..698e3f1b 100644
--- a/spec/unit/dsl/plugin_spec.rb
+++ b/spec/unit/dsl/plugin_spec.rb
@@ -124,33 +124,33 @@ end
 
 describe Ohai::DSL::Plugin::VersionVII do
   it "should not modify the plugin name when the plugin is named correctly" do
-    plugin = Ohai.plugin(:FunkyVALIDpluginName) { }.new({ })
+    plugin = Ohai.plugin(:FunkyVALIDpluginName) {}.new({})
     expect(plugin.name).to eql(:FunkyVALIDpluginName)
   end
 
   describe "when the plugin is named incorrectly" do
     context "because the plugin name doesn't start with a capital letter" do
       it "should raise an Ohai::Exceptions::InvalidPluginName exception" do
-        expect{ Ohai.plugin(:badName) { } }.to raise_error(Ohai::Exceptions::InvalidPluginName, /badName is not a valid plugin name/)
+        expect { Ohai.plugin(:badName) {} }.to raise_error(Ohai::Exceptions::InvalidPluginName, /badName is not a valid plugin name/)
       end
     end
 
     context "because the plugin name contains an underscore" do
       it "should raise an Ohai::Exceptions::InvalidPluginName exception" do
-        expect{ Ohai.plugin(:Bad_Name) { } }.to raise_error(Ohai::Exceptions::InvalidPluginName, /Bad_Name is not a valid plugin name/)
+        expect { Ohai.plugin(:Bad_Name) {} }.to raise_error(Ohai::Exceptions::InvalidPluginName, /Bad_Name is not a valid plugin name/)
       end
     end
 
     context "because the plugin name isn't a symbol" do
       it "should raise an Ohai::Exceptions::InvalidPluginName exception" do
-        expect{ Ohai.plugin(1138) { } }.to raise_error(Ohai::Exceptions::InvalidPluginName, /1138 is not a valid plugin name/)
+        expect { Ohai.plugin(1138) {} }.to raise_error(Ohai::Exceptions::InvalidPluginName, /1138 is not a valid plugin name/)
       end
     end
   end
 
   describe "#version" do
     it "should save the plugin version as :version7" do
-      plugin = Ohai.plugin(:Test) { }
+      plugin = Ohai.plugin(:Test) {}
       expect(plugin.version).to eql(:version7)
     end
   end
@@ -163,7 +163,7 @@ describe Ohai::DSL::Plugin::VersionVII do
 
     it "should collect a list of attributes" do
       plugin = Ohai.plugin(:Test) { provides("one", "two", "three") }
-      expect(plugin.provides_attrs).to eql(["one", "two", "three"])
+      expect(plugin.provides_attrs).to eql(%w{one two three})
     end
 
     it "should collect from multiple provides statements" do
@@ -172,19 +172,19 @@ describe Ohai::DSL::Plugin::VersionVII do
         provides("two", "three")
         provides("four")
       }
-      expect(plugin.provides_attrs).to eql(["one", "two", "three", "four"])
+      expect(plugin.provides_attrs).to eql(%w{one two three four})
     end
 
     it "should collect attributes across multiple plugin files" do
       plugin = Ohai.plugin(:Test) { provides("one") }
       plugin = Ohai.plugin(:Test) { provides("two", "three") }
-      expect(plugin.provides_attrs).to eql(["one", "two", "three"])
+      expect(plugin.provides_attrs).to eql(%w{one two three})
     end
 
     it "should collect unique attributes" do
       plugin = Ohai.plugin(:Test) { provides("one") }
       plugin = Ohai.plugin(:Test) { provides("one", "two") }
-      expect(plugin.provides_attrs).to eql(["one", "two"])
+      expect(plugin.provides_attrs).to eql(%w{one two})
     end
   end
 
@@ -196,7 +196,7 @@ describe Ohai::DSL::Plugin::VersionVII do
 
     it "should collect a list of dependencies" do
       plugin = Ohai.plugin(:Test) { depends("one", "two", "three") }
-      expect(plugin.depends_attrs).to eql(["one", "two", "three"])
+      expect(plugin.depends_attrs).to eql(%w{one two three})
     end
 
     it "should collect from multiple depends statements" do
@@ -205,35 +205,35 @@ describe Ohai::DSL::Plugin::VersionVII do
         depends("two", "three")
         depends("four")
       }
-      expect(plugin.depends_attrs).to eql(["one", "two", "three", "four"])
+      expect(plugin.depends_attrs).to eql(%w{one two three four})
     end
 
     it "should collect dependencies across multiple plugin files" do
       plugin = Ohai.plugin(:Test) { depends("one") }
       plugin = Ohai.plugin(:Test) { depends("two", "three") }
-      expect(plugin.depends_attrs).to eql(["one", "two", "three"])
+      expect(plugin.depends_attrs).to eql(%w{one two three})
     end
 
     it "should collect unique attributes" do
       plugin = Ohai.plugin(:Test) { depends("one") }
       plugin = Ohai.plugin(:Test) { depends("one", "two") }
-      expect(plugin.depends_attrs).to eql(["one", "two"])
+      expect(plugin.depends_attrs).to eql(%w{one two})
     end
   end
 
   describe "#collect_data" do
     it "should save as :default if no platform is given" do
-      plugin = Ohai.plugin(:Test) { collect_data { } }
+      plugin = Ohai.plugin(:Test) { collect_data {} }
       expect(plugin.data_collector).to have_key(:default)
     end
 
     it "should save a single given platform" do
-      plugin = Ohai.plugin(:Test) { collect_data(:ubuntu) { } }
+      plugin = Ohai.plugin(:Test) { collect_data(:ubuntu) {} }
       expect(plugin.data_collector).to have_key(:ubuntu)
     end
 
     it "should save a list of platforms" do
-      plugin = Ohai.plugin(:Test) { collect_data(:freebsd, :netbsd, :openbsd) { } }
+      plugin = Ohai.plugin(:Test) { collect_data(:freebsd, :netbsd, :openbsd) {} }
       [:freebsd, :netbsd, :openbsd].each do |platform|
         expect(plugin.data_collector).to have_key(platform)
       end
@@ -241,9 +241,9 @@ describe Ohai::DSL::Plugin::VersionVII do
 
     it "should save multiple collect_data blocks" do
       plugin = Ohai.plugin(:Test) {
-        collect_data { }
-        collect_data(:windows) { }
-        collect_data(:darwin) { }
+        collect_data {}
+        collect_data(:windows) {}
+        collect_data(:darwin) {}
       }
       [:darwin, :default, :windows].each do |platform|
         expect(plugin.data_collector).to have_key(platform)
@@ -251,8 +251,8 @@ describe Ohai::DSL::Plugin::VersionVII do
     end
 
     it "should save platforms across multiple plugins" do
-      plugin = Ohai.plugin(:Test) { collect_data { } }
-      plugin = Ohai.plugin(:Test) { collect_data(:aix, :sigar) { } }
+      plugin = Ohai.plugin(:Test) { collect_data {} }
+      plugin = Ohai.plugin(:Test) { collect_data(:aix, :sigar) {} }
       [:aix, :default, :sigar].each do |platform|
         expect(plugin.data_collector).to have_key(platform)
       end
@@ -261,17 +261,17 @@ describe Ohai::DSL::Plugin::VersionVII do
     it "should fail a platform has already been defined in the same plugin" do
       expect {
         Ohai.plugin(:Test) {
-          collect_data { }
-          collect_data { }
+          collect_data {}
+          collect_data {}
         }
       }.to raise_error(Ohai::Exceptions::IllegalPluginDefinition, /collect_data already defined/)
     end
 
     it "should fail if a platform has already been defined in another plugin file" do
-      Ohai.plugin(:Test) { collect_data { } }
+      Ohai.plugin(:Test) { collect_data {} }
       expect {
         Ohai.plugin(:Test) {
-          collect_data { }
+          collect_data {}
         }
       }.to raise_error(Ohai::Exceptions::IllegalPluginDefinition, /collect_data already defined/)
     end
@@ -295,7 +295,7 @@ describe Ohai::DSL::Plugin::VersionVII do
 
   describe "#configuration" do
     let(:plugin) do
-      klass = Ohai.plugin(camel_name) { }
+      klass = Ohai.plugin(camel_name) {}
       klass.new({})
     end
 
@@ -325,7 +325,7 @@ describe Ohai::DSL::Plugin::VersionVII do
       end
 
       it "returns nil when the suboption is not configured" do
-        Ohai.config[:plugin][snake_name][:foo] = { }
+        Ohai.config[:plugin][snake_name][:foo] = {}
         expect(plugin.configuration(:foo, :bar)).to eq(nil)
       end
 
@@ -376,7 +376,7 @@ end
 describe Ohai::DSL::Plugin::VersionVI do
   describe "#version" do
     it "should save the plugin version as :version6" do
-      plugin = Class.new(Ohai::DSL::Plugin::VersionVI) { }
+      plugin = Class.new(Ohai::DSL::Plugin::VersionVI) {}
       expect(plugin.version).to eql(:version6)
     end
   end
diff --git a/spec/unit/hints_spec.rb b/spec/unit/hints_spec.rb
index fa3b35f4..88556528 100644
--- a/spec/unit/hints_spec.rb
+++ b/spec/unit/hints_spec.rb
@@ -17,7 +17,7 @@
 # limitations under the License.
 #
 
-require File.expand_path(File.dirname(__FILE__) + '/../spec_helper.rb')
+require File.expand_path(File.dirname(__FILE__) + "/../spec_helper.rb")
 
 describe "Ohai::Hints" do
   # We are using the plugins directory infrastructure to test hints
@@ -54,11 +54,11 @@ EOF
     end
 
     it "hint? should return the data for full hints" do
-      expect(Ohai::Hints.hint?("cloud")).to eq({"name" => "circus"})
+      expect(Ohai::Hints.hint?("cloud")).to eq({ "name" => "circus" })
     end
 
     it "hint? should return empty hash for empty hints" do
-      expect(Ohai::Hints.hint?("cloud_empty")).to eq({ })
+      expect(Ohai::Hints.hint?("cloud_empty")).to eq({})
     end
   end
 
diff --git a/spec/unit/loader_spec.rb b/spec/unit/loader_spec.rb
index f36c101a..f211a7b1 100644
--- a/spec/unit/loader_spec.rb
+++ b/spec/unit/loader_spec.rb
@@ -17,13 +17,13 @@
 # limitations under the License.
 #
 
-require File.expand_path(File.dirname(__FILE__) + '/../spec_helper.rb')
+require File.expand_path(File.dirname(__FILE__) + "/../spec_helper.rb")
 
 describe Ohai::Loader do
   extend IntegrationSupport
 
   let(:loader) { Ohai::Loader.new(ohai) }
-  let(:ohai) { double('Ohai::System', :data => Mash.new, :provides_map => provides_map) }
+  let(:ohai) { double("Ohai::System", :data => Mash.new, :provides_map => provides_map) }
   let(:provides_map) { Ohai::ProvidesMap.new }
 
   describe "#initialize" do
@@ -150,7 +150,7 @@ EOF
         end
 
         it "does not raise an error" do
-          expect{ loader.load_plugin(path_to("extra_s.rb")) }.not_to raise_error
+          expect { loader.load_plugin(path_to("extra_s.rb")) }.not_to raise_error
         end
       end
 
@@ -161,7 +161,7 @@ EOF
         end
 
         it "does not raise an error" do
-          expect{ loader.load_plugin(path_to("no_method.rb")) }.not_to raise_error
+          expect { loader.load_plugin(path_to("no_method.rb")) }.not_to raise_error
         end
       end
 
@@ -172,7 +172,7 @@ EOF
         end
 
         it "does not raise an error" do
-          expect{ loader.load_plugin(path_to("illegal_def.rb")) }.not_to raise_error
+          expect { loader.load_plugin(path_to("illegal_def.rb")) }.not_to raise_error
         end
       end
 
@@ -183,7 +183,7 @@ EOF
         end
 
         it "does not raise an error" do
-          expect{ loader.load_plugin(path_to("unexpected_error.rb")) }.not_to raise_error
+          expect { loader.load_plugin(path_to("unexpected_error.rb")) }.not_to raise_error
         end
       end
 
@@ -194,7 +194,7 @@ EOF
         end
 
         it "does not raise an error" do
-          expect{ loader.load_plugin(path_to("bad_symbol.rb")) }.not_to raise_error
+          expect { loader.load_plugin(path_to("bad_symbol.rb")) }.not_to raise_error
         end
       end
 
@@ -205,7 +205,7 @@ EOF
         end
 
         it "does not raise an error" do
-          expect{ loader.load_plugin(path_to("no_end.rb")) }.not_to raise_error
+          expect { loader.load_plugin(path_to("no_end.rb")) }.not_to raise_error
         end
       end
 
@@ -216,7 +216,7 @@ EOF
         end
 
         it "does not raise an error" do
-          expect{ loader.load_plugin(path_to("bad_name.rb")) }.not_to raise_error
+          expect { loader.load_plugin(path_to("bad_name.rb")) }.not_to raise_error
         end
       end
     end
diff --git a/spec/unit/mixin/command_spec.rb b/spec/unit/mixin/command_spec.rb
index 7b1bc0dd..97180d06 100644
--- a/spec/unit/mixin/command_spec.rb
+++ b/spec/unit/mixin/command_spec.rb
@@ -17,7 +17,7 @@
 # limitations under the License.
 #
 
-require File.expand_path(File.dirname(__FILE__) + '/../../spec_helper.rb')
+require File.expand_path(File.dirname(__FILE__) + "/../../spec_helper.rb")
 
 describe Ohai::Mixin::Command, "popen4" do
   break if RUBY_PLATFORM =~ /(win|w)32$/
@@ -30,7 +30,7 @@ describe Ohai::Mixin::Command, "popen4" do
   end
 
   it "should respect locale when specified explicitly" do
-    Ohai::Mixin::Command.popen4("echo $LC_ALL", :environment => {"LC_ALL" => "es"}) do |pid, stdin, stdout, stderr|
+    Ohai::Mixin::Command.popen4("echo $LC_ALL", :environment => { "LC_ALL" => "es" }) do |pid, stdin, stdout, stderr|
       stdin.close
       expect(stdout.read.strip).to eq("es")
     end
@@ -52,14 +52,14 @@ describe Ohai::Mixin::Command, "popen4" do
 
       it "should force encode the string to UTF-8" do
         extend Ohai::Mixin::Command
-        snowy = run_command(:command => ("echo '" + ('☃' * 8096) + "'"))[1]
+        snowy = run_command(:command => ("echo '" + ("☃" * 8096) + "'"))[1]
         expect(snowy.encoding).to eq(Encoding::UTF_8)
       end
     end
 
     it "should force encode the string to UTF-8" do
       extend Ohai::Mixin::Command
-      snowy = run_command(:command => ("echo '" + ('☃' * 8096) + "'"))[1]
+      snowy = run_command(:command => ("echo '" + ("☃" * 8096) + "'"))[1]
       expect(snowy.encoding).to eq(Encoding::UTF_8)
     end
   end
@@ -72,7 +72,7 @@ describe Ohai::Mixin::Command, "popen4" do
     created_procs = 0
     100.times do
       begin
-        Ohai::Mixin::Command.popen4("/bin/this-is-not-a-real-command") {|p,i,o,e| nil }
+        Ohai::Mixin::Command.popen4("/bin/this-is-not-a-real-command") { |p, i, o, e| nil }
       rescue Ohai::Exceptions::Exec
         created_procs += 1
       end
diff --git a/spec/unit/mixin/ec2_metadata_spec.rb b/spec/unit/mixin/ec2_metadata_spec.rb
index e65fe5c6..002b42c2 100644
--- a/spec/unit/mixin/ec2_metadata_spec.rb
+++ b/spec/unit/mixin/ec2_metadata_spec.rb
@@ -16,8 +16,8 @@
 # limitations under the License.
 #
 
-require File.expand_path(File.dirname(__FILE__) + '/../../spec_helper.rb')
-require 'ohai/mixin/ec2_metadata'
+require File.expand_path(File.dirname(__FILE__) + "/../../spec_helper.rb")
+require "ohai/mixin/ec2_metadata"
 
 describe Ohai::Mixin::Ec2Metadata do
   let(:mixin) {
@@ -49,7 +49,7 @@ describe Ohai::Mixin::Ec2Metadata do
       let(:response) { double("Net::HTTP Response", :body => "2020-01-01\nUnsupported", :code => "200") }
 
       it "raises an error" do
-        expect { mixin.best_api_version}.to raise_error(RuntimeError)
+        expect { mixin.best_api_version }.to raise_error(RuntimeError)
       end
     end
 
@@ -58,7 +58,7 @@ describe Ohai::Mixin::Ec2Metadata do
       let(:response) { double("Net::HTTP Response", :code => "404") }
 
       it "returns 'latest' as the version" do
-        expect(mixin.best_api_version).to eq('latest')
+        expect(mixin.best_api_version).to eq("latest")
       end
     end
 
@@ -66,7 +66,7 @@ describe Ohai::Mixin::Ec2Metadata do
       let(:response) { double("Net::HTTP Response", :body => "1.0\n2011-05-01\n2012-01-12\nUnsupported", :code => "418") }
 
       it "raises an error" do
-        expect { mixin.best_api_version}.to raise_error(RuntimeError)
+        expect { mixin.best_api_version }.to raise_error(RuntimeError)
       end
     end
   end
@@ -76,7 +76,7 @@ describe Ohai::Mixin::Ec2Metadata do
       let(:response) { double("Net::HTTP Response", :body => "", :code => "418") }
 
       it "raises an error" do
-        expect { mixin.metadata_get('', '2012-01-12') }.to raise_error(RuntimeError)
+        expect { mixin.metadata_get("", "2012-01-12") }.to raise_error(RuntimeError)
       end
     end
   end
diff --git a/spec/unit/mixin/softlayer_metadata_spec.rb b/spec/unit/mixin/softlayer_metadata_spec.rb
index b36a38b8..f69ba0b2 100644
--- a/spec/unit/mixin/softlayer_metadata_spec.rb
+++ b/spec/unit/mixin/softlayer_metadata_spec.rb
@@ -17,9 +17,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-require File.expand_path(File.dirname(__FILE__) + '/../../spec_helper.rb')
-require 'ohai/mixin/softlayer_metadata'
-
+require File.expand_path(File.dirname(__FILE__) + "/../../spec_helper.rb")
+require "ohai/mixin/softlayer_metadata"
 
 describe ::Ohai::Mixin::SoftlayerMetadata do
 
@@ -33,39 +32,36 @@ describe ::Ohai::Mixin::SoftlayerMetadata do
   end
 
   def make_res(body)
-    double("response", {:body => body, :code => "200"})
+    double("response", { :body => body, :code => "200" })
   end
 
-
-  context 'fetch_metadata' do
+  context "fetch_metadata" do
     it "riases error if softlayer api query results with error" do
-      http_mock = double('http', {:ssl_version= => true, :use_ssl= => true, :ca_file= => true})
+      http_mock = double("http", { :ssl_version= => true, :use_ssl= => true, :ca_file= => true })
       allow(http_mock).to receive(:get).and_raise(StandardError.new("API return fake error"))
-      allow(::Net::HTTP).to receive(:new).with('api.service.softlayer.com', 443).and_return(http_mock)
+      allow(::Net::HTTP).to receive(:new).with("api.service.softlayer.com", 443).and_return(http_mock)
 
       expect(::Ohai::Log).to receive(:error).at_least(:once)
-      expect{mixin.fetch_metadata}.to raise_error(StandardError)
+      expect { mixin.fetch_metadata }.to raise_error(StandardError)
     end
 
     it "query api service" do
-      http_mock = double('http', {:ssl_version= => true, :use_ssl= => true, :ca_file= => true})
-      allow(::Net::HTTP).to receive(:new).with('api.service.softlayer.com', 443).and_return(http_mock)
-
-      expect(http_mock).to receive(:get).with(make_request('getFullyQualifiedDomainName.txt')).and_return(make_res('abc.host.org')).once
-      expect(http_mock).to receive(:get).with(make_request('getPrimaryBackendIpAddress.txt')).and_return(make_res('10.0.1.10')).once
-      expect(http_mock).to receive(:get).with(make_request('getPrimaryIpAddress.txt')).and_return(make_res('8.8.8.8')).once
-      expect(http_mock).to receive(:get).with(make_request('getId.txt')).and_return(make_res('1111')).once
-      expect(http_mock).to receive(:get).with(make_request('getDatacenter.txt')).and_return(make_res('dal05')).once
+      http_mock = double("http", { :ssl_version= => true, :use_ssl= => true, :ca_file= => true })
+      allow(::Net::HTTP).to receive(:new).with("api.service.softlayer.com", 443).and_return(http_mock)
 
+      expect(http_mock).to receive(:get).with(make_request("getFullyQualifiedDomainName.txt")).and_return(make_res("abc.host.org")).once
+      expect(http_mock).to receive(:get).with(make_request("getPrimaryBackendIpAddress.txt")).and_return(make_res("10.0.1.10")).once
+      expect(http_mock).to receive(:get).with(make_request("getPrimaryIpAddress.txt")).and_return(make_res("8.8.8.8")).once
+      expect(http_mock).to receive(:get).with(make_request("getId.txt")).and_return(make_res("1111")).once
+      expect(http_mock).to receive(:get).with(make_request("getDatacenter.txt")).and_return(make_res("dal05")).once
 
       metadata = mixin.fetch_metadata
       expect(metadata).not_to be_nil
-      expect(metadata["public_fqdn"]).to eq('abc.host.org')
-      expect(metadata["local_ipv4"]).to  eq('10.0.1.10')
-      expect(metadata["instance_id"]).to eq('1111')
-      expect(metadata["region"]).to      eq('dal05')
-      expect(metadata["public_ipv4"]).to eq('8.8.8.8')
+      expect(metadata["public_fqdn"]).to eq("abc.host.org")
+      expect(metadata["local_ipv4"]).to  eq("10.0.1.10")
+      expect(metadata["instance_id"]).to eq("1111")
+      expect(metadata["region"]).to      eq("dal05")
+      expect(metadata["public_ipv4"]).to eq("8.8.8.8")
     end
   end
 end
-
diff --git a/spec/unit/plugin_config_spec.rb b/spec/unit/plugin_config_spec.rb
index 75b4f6f7..1391a2a5 100644
--- a/spec/unit/plugin_config_spec.rb
+++ b/spec/unit/plugin_config_spec.rb
@@ -15,9 +15,9 @@
 # limitations under the License.
 #
 
-require_relative '../spec_helper'
+require_relative "../spec_helper"
 
-require 'ohai/plugin_config'
+require "ohai/plugin_config"
 
 describe "Ohai::PluginConfig" do
 
@@ -56,7 +56,7 @@ describe "Ohai::PluginConfig" do
             {
               :bar0 => true,
               :bar1 => [ :baz0, :baz1, :baz2 ],
-              :bar2 => { :qux0 => true, :qux1 => false }
+              :bar2 => { :qux0 => true, :qux1 => false },
             }
           }
 
@@ -70,7 +70,7 @@ describe "Ohai::PluginConfig" do
             {
               :bar0 => true,
               "bar1" => [ :baz0, :baz1, :baz2 ],
-              :bar2 => { :qux0 => true, :qux1 => false }
+              :bar2 => { :qux0 => true, :qux1 => false },
             }
           }
 
@@ -84,7 +84,7 @@ describe "Ohai::PluginConfig" do
             {
               :bar0 => true,
               :bar1 => [ :baz0, :baz1, :baz2 ],
-              :bar2 => { :qux0 => true, "qux1" => false }
+              :bar2 => { :qux0 => true, "qux1" => false },
             }
           }
 
diff --git a/spec/unit/plugins/abort_spec.rb b/spec/unit/plugins/abort_spec.rb
index b99647f1..6140419e 100644
--- a/spec/unit/plugins/abort_spec.rb
+++ b/spec/unit/plugins/abort_spec.rb
@@ -16,9 +16,9 @@
 # limitations under the License.
 #
 
-require File.expand_path(File.join(File.dirname(__FILE__), '..', '..', '/spec_helper.rb'))
+require File.expand_path(File.join(File.dirname(__FILE__), "..", "..", "/spec_helper.rb"))
 
-tmp = ENV['TMPDIR'] || ENV['TMP'] || ENV['TEMP'] || '/tmp'
+tmp = ENV["TMPDIR"] || ENV["TMP"] || ENV["TEMP"] || "/tmp"
 
 abortstr = <<EOF
 Ohai.plugin(:Abort) do
@@ -66,4 +66,4 @@ describe "a plug-in that aborts execution" do
     @plugin = @loader.load_plugin("#{tmp}/plugins/abort.rb")
     expect { @runner.run_plugin(@plugin) }.to raise_error(SystemExit)
   end
-end
\ No newline at end of file
+end
diff --git a/spec/unit/plugins/aix/cpu_spec.rb b/spec/unit/plugins/aix/cpu_spec.rb
index b2166e12..d782ced0 100644
--- a/spec/unit/plugins/aix/cpu_spec.rb
+++ b/spec/unit/plugins/aix/cpu_spec.rb
@@ -16,7 +16,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-require File.expand_path(File.dirname(__FILE__) + '/../../../spec_helper.rb')
+require File.expand_path(File.dirname(__FILE__) + "/../../../spec_helper.rb")
 
 describe Ohai::System, "AIX cpu plugin" do
   before(:each) do
diff --git a/spec/unit/plugins/aix/filesystem_spec.rb b/spec/unit/plugins/aix/filesystem_spec.rb
index 522c91db..b71e5f81 100644
--- a/spec/unit/plugins/aix/filesystem_spec.rb
+++ b/spec/unit/plugins/aix/filesystem_spec.rb
@@ -15,7 +15,7 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-require File.expand_path(File.dirname(__FILE__) + '/../../../spec_helper.rb')
+require File.expand_path(File.dirname(__FILE__) + "/../../../spec_helper.rb")
 
 describe Ohai::System, "AIX filesystem plugin" do
   before(:each) do
@@ -89,7 +89,7 @@ MOUNT
     @plugin[:filesystem] = Mash.new
   end
 
-  context 'when run within an LPAR' do
+  context "when run within an LPAR" do
     before do
       allow(@plugin).to receive(:shell_out).with("df -Pk").and_return(mock_shell_out(0, @df_Pk_LPAR, nil))
       allow(@plugin).to receive(:shell_out).with("mount").and_return(mock_shell_out(0, @mount_LPAR, nil))
@@ -99,59 +99,59 @@ MOUNT
     describe "df -Pk" do
 
       it "returns the filesystem block size" do
-        expect(@plugin[:filesystem]["/dev/hd4"]['kb_size']).to eq("2097152")
+        expect(@plugin[:filesystem]["/dev/hd4"]["kb_size"]).to eq("2097152")
       end
 
       it "returns the filesystem used space in kb" do
-        expect(@plugin[:filesystem]["/dev/hd4"]['kb_used']).to eq("219796")
+        expect(@plugin[:filesystem]["/dev/hd4"]["kb_used"]).to eq("219796")
       end
 
       it "returns the filesystem available space in kb" do
-        expect(@plugin[:filesystem]["/dev/hd4"]['kb_available']).to eq("1877356")
+        expect(@plugin[:filesystem]["/dev/hd4"]["kb_available"]).to eq("1877356")
       end
 
       it "returns the filesystem capacity in percentage" do
-        expect(@plugin[:filesystem]["/dev/hd4"]['percent_used']).to eq("11%")
+        expect(@plugin[:filesystem]["/dev/hd4"]["percent_used"]).to eq("11%")
       end
 
       it "returns the filesystem mounted location" do
-        expect(@plugin[:filesystem]["/dev/hd4"]['mount']).to eq("/")
+        expect(@plugin[:filesystem]["/dev/hd4"]["mount"]).to eq("/")
       end
     end
 
     describe "mount" do
 
       it "returns the filesystem mount location" do
-        expect(@plugin[:filesystem]["/dev/hd4"]['mount']).to eq("/")
+        expect(@plugin[:filesystem]["/dev/hd4"]["mount"]).to eq("/")
       end
 
       it "returns the filesystem type" do
-        expect(@plugin[:filesystem]["/dev/hd4"]['fs_type']).to eq("jfs2")
+        expect(@plugin[:filesystem]["/dev/hd4"]["fs_type"]).to eq("jfs2")
       end
 
       it "returns the filesystem mount options" do
-        expect(@plugin[:filesystem]["/dev/hd4"]['mount_options']).to eq(["rw", "log=/dev/hd8"])
+        expect(@plugin[:filesystem]["/dev/hd4"]["mount_options"]).to eq(["rw", "log=/dev/hd8"])
       end
 
       # For entries like 192.168.1.11 /stage/middleware /stage/middleware nfs3   Jul 17 13:24 ro,bg,hard,intr,sec=sys
       context "having node values" do
 
         it "returns the filesystem mount location" do
-          expect(@plugin[:filesystem]["192.168.1.11:/stage/middleware"]['mount']).to eq("/stage/middleware")
+          expect(@plugin[:filesystem]["192.168.1.11:/stage/middleware"]["mount"]).to eq("/stage/middleware")
         end
 
         it "returns the filesystem type" do
-          expect(@plugin[:filesystem]["192.168.1.11:/stage/middleware"]['fs_type']).to eq("nfs3")
+          expect(@plugin[:filesystem]["192.168.1.11:/stage/middleware"]["fs_type"]).to eq("nfs3")
         end
 
         it "returns the filesystem mount options" do
-          expect(@plugin[:filesystem]["192.168.1.11:/stage/middleware"]['mount_options']).to eq(["ro", "bg", "hard", "intr", "sec=sys"])
+          expect(@plugin[:filesystem]["192.168.1.11:/stage/middleware"]["mount_options"]).to eq(["ro", "bg", "hard", "intr", "sec=sys"])
         end
       end
     end
   end
 
-  context 'when run within a WPAR' do
+  context "when run within a WPAR" do
     before do
       allow(@plugin).to receive(:shell_out).with("df -Pk").and_return(mock_shell_out(0, @df_Pk_WPAR, nil))
       allow(@plugin).to receive(:shell_out).with("mount").and_return(mock_shell_out(0, @mount_WPAR, nil))
@@ -161,53 +161,53 @@ MOUNT
     describe "df -Pk" do
 
       it "returns the filesystem block size" do
-        expect(@plugin[:filesystem]["Global:/"]['kb_size']).to eq("10485760")
+        expect(@plugin[:filesystem]["Global:/"]["kb_size"]).to eq("10485760")
       end
 
       it "returns the filesystem used space in kb" do
-        expect(@plugin[:filesystem]["Global:/"]['kb_used']).to eq("130872")
+        expect(@plugin[:filesystem]["Global:/"]["kb_used"]).to eq("130872")
       end
 
       it "returns the filesystem available space in kb" do
-        expect(@plugin[:filesystem]["Global:/"]['kb_available']).to eq("10354888")
+        expect(@plugin[:filesystem]["Global:/"]["kb_available"]).to eq("10354888")
       end
 
       it "returns the filesystem capacity in percentage" do
-        expect(@plugin[:filesystem]["Global:/"]['percent_used']).to eq("2%")
+        expect(@plugin[:filesystem]["Global:/"]["percent_used"]).to eq("2%")
       end
 
       it "returns the filesystem mounted location" do
-        expect(@plugin[:filesystem]["Global:/"]['mount']).to eq("/")
+        expect(@plugin[:filesystem]["Global:/"]["mount"]).to eq("/")
       end
     end
 
     describe "mount" do
 
       it "returns the filesystem mount location" do
-        expect(@plugin[:filesystem]["Global:/"]['mount']).to eq("/")
+        expect(@plugin[:filesystem]["Global:/"]["mount"]).to eq("/")
       end
 
       it "returns the filesystem type" do
-        expect(@plugin[:filesystem]["Global:/"]['fs_type']).to eq("jfs2")
+        expect(@plugin[:filesystem]["Global:/"]["fs_type"]).to eq("jfs2")
       end
 
       it "returns the filesystem mount options" do
-        expect(@plugin[:filesystem]["Global:/"]['mount_options']).to eq(["rw", "log=NULL"])
+        expect(@plugin[:filesystem]["Global:/"]["mount_options"]).to eq(["rw", "log=NULL"])
       end
 
       # For entries like 192.168.1.11 /stage/middleware /stage/middleware nfs3   Jul 17 13:24 ro,bg,hard,intr,sec=sys
       context "having node values" do
 
         it "returns the filesystem mount location" do
-          expect(@plugin[:filesystem]["192.168.1.11:/stage/middleware"]['mount']).to eq("/stage/middleware")
+          expect(@plugin[:filesystem]["192.168.1.11:/stage/middleware"]["mount"]).to eq("/stage/middleware")
         end
 
         it "returns the filesystem type" do
-          expect(@plugin[:filesystem]["192.168.1.11:/stage/middleware"]['fs_type']).to eq("nfs3")
+          expect(@plugin[:filesystem]["192.168.1.11:/stage/middleware"]["fs_type"]).to eq("nfs3")
         end
 
         it "returns the filesystem mount options" do
-          expect(@plugin[:filesystem]["192.168.1.11:/stage/middleware"]['mount_options']).to eq(["ro", "bg", "hard", "intr", "sec=sys"])
+          expect(@plugin[:filesystem]["192.168.1.11:/stage/middleware"]["mount_options"]).to eq(["ro", "bg", "hard", "intr", "sec=sys"])
         end
       end
     end
diff --git a/spec/unit/plugins/aix/hostname_spec.rb b/spec/unit/plugins/aix/hostname_spec.rb
index 589c4e4a..b378dd0a 100644
--- a/spec/unit/plugins/aix/hostname_spec.rb
+++ b/spec/unit/plugins/aix/hostname_spec.rb
@@ -16,7 +16,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-require File.expand_path(File.dirname(__FILE__) + '/../../../spec_helper.rb')
+require File.expand_path(File.dirname(__FILE__) + "/../../../spec_helper.rb")
 
 describe Ohai::System, "AIX hostname plugin" do
   before(:each) do
@@ -31,4 +31,3 @@ describe Ohai::System, "AIX hostname plugin" do
     expect(@plugin[:machinename]).to eql("aix_admin")
   end
 end
-
diff --git a/spec/unit/plugins/aix/kernel_spec.rb b/spec/unit/plugins/aix/kernel_spec.rb
index 25368438..a63023d6 100644
--- a/spec/unit/plugins/aix/kernel_spec.rb
+++ b/spec/unit/plugins/aix/kernel_spec.rb
@@ -16,7 +16,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-require File.expand_path(File.dirname(__FILE__) + '/../../../spec_helper.rb')
+require File.expand_path(File.dirname(__FILE__) + "/../../../spec_helper.rb")
 
 describe Ohai::System, "AIX kernel plugin" do
   before(:each) do
@@ -54,8 +54,8 @@ describe Ohai::System, "AIX kernel plugin" do
   it "detects the modules" do
     expect(@plugin[:kernel][:modules]["/usr/lib/drivers/cluster"]["text"]).to eq({ "address" => "f1000000c0338000", "size" => "77000" })
     expect(@plugin[:kernel][:modules]["/usr/lib/drivers/cluster"]["data"]).to eq({ "address" => "f1000000c0390000", "size" => "1ec8c" })
-    expect(@plugin[:kernel][:modules]["/usr/lib/drivers/if_en"]["text"]).to eq({ "address" => "6390000", "size" => "20000"})
-    expect(@plugin[:kernel][:modules]["/usr/lib/drivers/if_en"]["data"]).to eq({ "address" => "63a0000", "size" => "ba8"})
+    expect(@plugin[:kernel][:modules]["/usr/lib/drivers/if_en"]["text"]).to eq({ "address" => "6390000", "size" => "20000" })
+    expect(@plugin[:kernel][:modules]["/usr/lib/drivers/if_en"]["data"]).to eq({ "address" => "63a0000", "size" => "ba8" })
 
   end
 end
diff --git a/spec/unit/plugins/aix/memory_spec.rb b/spec/unit/plugins/aix/memory_spec.rb
index 80f893d3..cfe9862f 100644
--- a/spec/unit/plugins/aix/memory_spec.rb
+++ b/spec/unit/plugins/aix/memory_spec.rb
@@ -16,34 +16,34 @@
 # limitations under the License.
 #
 
-require File.expand_path(File.dirname(__FILE__) + '/../../../spec_helper.rb')
+require File.expand_path(File.dirname(__FILE__) + "/../../../spec_helper.rb")
 
 describe Ohai::System, "AIX memory plugin" do
-   before(:each) do
+  before(:each) do
     @plugin = get_plugin("aix/memory")
     allow(@plugin).to receive(:collect_os).and_return(:aix)
     allow(@plugin).to receive(:shell_out).with("svmon -G -O unit=MB,summary=longreal | grep '[0-9]'").and_return(mock_shell_out(0, " 513280.00 340034.17 173245.83   62535.17 230400.05 276950.14  70176.00\n", nil))
     @swap_s = "allocated  =    23887872 blocks    used  =   288912 blocks      free  =    23598960 blocks\n"
-    allow(@plugin).to receive(:shell_out).with("swap -s").and_return(mock_shell_out(0,@swap_s, nil))
-   end
+    allow(@plugin).to receive(:shell_out).with("swap -s").and_return(mock_shell_out(0, @swap_s, nil))
+  end
 
   it "should get total memory" do
     @plugin.run
-    expect(@plugin['memory']['total']).to eql("#{513280 * 1024}kB")
+    expect(@plugin["memory"]["total"]).to eql("#{513280 * 1024}kB")
   end
 
   it "should get free memory" do
     @plugin.run
-    expect(@plugin['memory']['free']).to eql("#{173245.83.to_i * 1024}kB")
+    expect(@plugin["memory"]["free"]).to eql("#{173245.83.to_i * 1024}kB")
   end
 
   it "should get total swap" do
     @plugin.run
-    expect(@plugin['memory']['swap']['total']).to eql( "#{23887872 * 4}kB")
+    expect(@plugin["memory"]["swap"]["total"]).to eql( "#{23887872 * 4}kB")
   end
 
   it "should get free swap" do
     @plugin.run
-    expect(@plugin['memory']['swap']['free']).to eql( "#{23598960 * 4}kB")
+    expect(@plugin["memory"]["swap"]["free"]).to eql( "#{23598960 * 4}kB")
   end
 end
diff --git a/spec/unit/plugins/aix/network_spec.rb b/spec/unit/plugins/aix/network_spec.rb
index a6212ade..1007a868 100644
--- a/spec/unit/plugins/aix/network_spec.rb
+++ b/spec/unit/plugins/aix/network_spec.rb
@@ -16,7 +16,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-require File.expand_path(File.dirname(__FILE__) + '/../../../spec_helper.rb')
+require File.expand_path(File.dirname(__FILE__) + "/../../../spec_helper.rb")
 
 describe Ohai::System, "AIX network plugin" do
 
@@ -94,15 +94,15 @@ ARP_AN
     end
 
     it "detects network information" do
-      expect(@plugin['network']).not_to be_nil
+      expect(@plugin["network"]).not_to be_nil
     end
 
     it "detects the interfaces" do
-      expect(@plugin['network']['interfaces'].keys.sort).to eq(["en0", "en1", "lo0"])
+      expect(@plugin["network"]["interfaces"].keys.sort).to eq(%w{en0 en1 lo0})
     end
 
     it "detects the ip addresses of the interfaces" do
-      expect(@plugin['network']['interfaces']['en0']['addresses'].keys).to include('172.29.174.58')
+      expect(@plugin["network"]["interfaces"]["en0"]["addresses"].keys).to include("172.29.174.58")
     end
   end
 
@@ -124,11 +124,11 @@ ARP_AN
       end
 
       it "returns the default gateway of the system's network" do
-        expect(@plugin[:network][:default_gateway]).to eq('172.31.8.1')
+        expect(@plugin[:network][:default_gateway]).to eq("172.31.8.1")
       end
 
       it "returns the default interface of the system's network" do
-        expect(@plugin[:network][:default_interface]).to eq('en0')
+        expect(@plugin[:network][:default_interface]).to eq("en0")
       end
     end
   end
@@ -155,42 +155,42 @@ ARP_AN
   describe "lsdev -Cc if" do
     it "detects the state of the interfaces in the system" do
       @plugin.run
-      expect(@plugin['network']['interfaces']['en0'][:state]).to eq("up")
+      expect(@plugin["network"]["interfaces"]["en0"][:state]).to eq("up")
     end
 
     describe "ifconfig interface" do
       it "detects the CHAIN network flag" do
         @plugin.run
-        expect(@plugin['network']['interfaces']['en0'][:flags]).to include('CHAIN')
+        expect(@plugin["network"]["interfaces"]["en0"][:flags]).to include("CHAIN")
       end
 
       it "detects the metric network flag" do
         @plugin.run
-        expect(@plugin['network']['interfaces']['en0'][:metric]).to eq('1')
+        expect(@plugin["network"]["interfaces"]["en0"][:metric]).to eq("1")
       end
 
       context "inet entries" do
         before do
           @plugin.run
-          @inet_entry = @plugin['network']['interfaces']['en0'][:addresses]["172.29.174.58"]
+          @inet_entry = @plugin["network"]["interfaces"]["en0"][:addresses]["172.29.174.58"]
         end
 
         it "detects the family" do
-          expect(@inet_entry[:family]).to eq('inet')
+          expect(@inet_entry[:family]).to eq("inet")
         end
 
         it "detects the netmask" do
-          expect(@inet_entry[:netmask]).to eq('255.255.192.0')
+          expect(@inet_entry[:netmask]).to eq("255.255.192.0")
         end
 
         it "detects the broadcast" do
-          expect(@inet_entry[:broadcast]).to eq('172.29.191.255')
+          expect(@inet_entry[:broadcast]).to eq("172.29.191.255")
         end
 
         it "detects all key-values" do
-          expect(@plugin['network']['interfaces']['en0'][:tcp_sendspace]).to eq("262144")
-          expect(@plugin['network']['interfaces']['en0'][:tcp_recvspace]).to eq("262144")
-          expect(@plugin['network']['interfaces']['en0'][:rfc1323]).to eq("1")
+          expect(@plugin["network"]["interfaces"]["en0"][:tcp_sendspace]).to eq("262144")
+          expect(@plugin["network"]["interfaces"]["en0"][:tcp_recvspace]).to eq("262144")
+          expect(@plugin["network"]["interfaces"]["en0"][:rfc1323]).to eq("1")
         end
 
         # For an output with no netmask like inet 172.29.174.59 broadcast 172.29.191.255
@@ -200,13 +200,13 @@ ARP_AN
           end
 
           it "detects the default prefixlen" do
-            @inet_entry = @plugin['network']['interfaces']['en0'][:addresses]["172.29.174.59"]
-            expect(@inet_entry[:prefixlen]).to eq('32')
+            @inet_entry = @plugin["network"]["interfaces"]["en0"][:addresses]["172.29.174.59"]
+            expect(@inet_entry[:prefixlen]).to eq("32")
           end
 
           it "detects the default netmask" do
-            @inet_entry = @plugin['network']['interfaces']['en0'][:addresses]["172.29.174.59"]
-            expect(@inet_entry[:netmask]).to eq('255.255.255.255')
+            @inet_entry = @plugin["network"]["interfaces"]["en0"][:addresses]["172.29.174.59"]
+            expect(@inet_entry[:netmask]).to eq("255.255.255.255")
           end
         end
       end
@@ -214,15 +214,15 @@ ARP_AN
       context "inet6 entries" do
         before do
           @plugin.run
-          @inet_entry = @plugin['network']['interfaces']['en0'][:addresses]["::1"]
+          @inet_entry = @plugin["network"]["interfaces"]["en0"][:addresses]["::1"]
         end
 
         it "detects the prefixlen" do
-          expect(@inet_entry[:prefixlen]).to eq('0')
+          expect(@inet_entry[:prefixlen]).to eq("0")
         end
 
         it "detects the family" do
-          expect(@inet_entry[:family]).to eq('inet6')
+          expect(@inet_entry[:family]).to eq("inet6")
         end
       end
     end
@@ -230,10 +230,10 @@ ARP_AN
     context "entstat -d interface" do
       before do
         @plugin.run
-        @inet_interface_addresses = @plugin['network']['interfaces']['en0'][:addresses]["BE:42:80:00:B0:05"]
+        @inet_interface_addresses = @plugin["network"]["interfaces"]["en0"][:addresses]["BE:42:80:00:B0:05"]
       end
       it "detects the family" do
-        expect(@inet_interface_addresses[:family]).to eq('lladdr')
+        expect(@inet_interface_addresses[:family]).to eq("lladdr")
       end
     end
   end
@@ -245,39 +245,39 @@ ARP_AN
 
     context "inet" do
       it "detects the route destinations" do
-        expect(@plugin['network']['interfaces']['en0'][:routes][0][:destination]).to eq("default")
-        expect(@plugin['network']['interfaces']['en0'][:routes][1][:destination]).to eq("172.29.128.0")
+        expect(@plugin["network"]["interfaces"]["en0"][:routes][0][:destination]).to eq("default")
+        expect(@plugin["network"]["interfaces"]["en0"][:routes][1][:destination]).to eq("172.29.128.0")
       end
 
       it "detects the route family" do
-        expect(@plugin['network']['interfaces']['en0'][:routes][0][:family]).to eq("inet")
+        expect(@plugin["network"]["interfaces"]["en0"][:routes][0][:family]).to eq("inet")
       end
 
       it "detects the route gateway" do
-        expect(@plugin['network']['interfaces']['en0'][:routes][0][:via]).to eq("172.29.128.13")
+        expect(@plugin["network"]["interfaces"]["en0"][:routes][0][:via]).to eq("172.29.128.13")
       end
 
       it "detects the route flags" do
-        expect(@plugin['network']['interfaces']['en0'][:routes][0][:flags]).to eq("UG")
+        expect(@plugin["network"]["interfaces"]["en0"][:routes][0][:flags]).to eq("UG")
       end
     end
 
     context "inet6" do
 
       it "detects the route destinations" do
-        expect(@plugin['network']['interfaces']['en0'][:routes][4][:destination]).to eq("::1%1")
+        expect(@plugin["network"]["interfaces"]["en0"][:routes][4][:destination]).to eq("::1%1")
       end
 
       it "detects the route family" do
-        expect(@plugin['network']['interfaces']['en0'][:routes][4][:family]).to eq("inet6")
+        expect(@plugin["network"]["interfaces"]["en0"][:routes][4][:family]).to eq("inet6")
       end
 
       it "detects the route gateway" do
-        expect(@plugin['network']['interfaces']['en0'][:routes][4][:via]).to eq("::1%1")
+        expect(@plugin["network"]["interfaces"]["en0"][:routes][4][:via]).to eq("::1%1")
       end
 
       it "detects the route flags" do
-        expect(@plugin['network']['interfaces']['en0'][:routes][4][:flags]).to eq("UH")
+        expect(@plugin["network"]["interfaces"]["en0"][:routes][4][:flags]).to eq("UH")
       end
     end
   end
@@ -287,15 +287,15 @@ ARP_AN
       @plugin.run
     end
     it "supresses the hostname entries" do
-      expect(@plugin['network']['arp'][0][:remote_host]).to eq("?")
+      expect(@plugin["network"]["arp"][0][:remote_host]).to eq("?")
     end
 
     it "detects the remote ip entry" do
-      expect(@plugin['network']['arp'][0][:remote_ip]).to eq("172.29.131.16")
+      expect(@plugin["network"]["arp"][0][:remote_ip]).to eq("172.29.131.16")
     end
 
     it "detects the remote mac entry" do
-      expect(@plugin['network']['arp'][0][:remote_mac]).to eq("6e:87:70:0:40:3")
+      expect(@plugin["network"]["arp"][0][:remote_mac]).to eq("6e:87:70:0:40:3")
     end
   end
 
@@ -304,7 +304,7 @@ ARP_AN
       @plugin.run
     end
     it "converts a netmask from hexadecimal form to decimal form" do
-      expect(@plugin.hex_to_dec_netmask('0xffff0000')).to eq("255.255.0.0")
+      expect(@plugin.hex_to_dec_netmask("0xffff0000")).to eq("255.255.0.0")
     end
   end
 end
diff --git a/spec/unit/plugins/aix/os_spec.rb b/spec/unit/plugins/aix/os_spec.rb
index 57f02a79..0d1e86e6 100644
--- a/spec/unit/plugins/aix/os_spec.rb
+++ b/spec/unit/plugins/aix/os_spec.rb
@@ -15,7 +15,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-require File.expand_path(File.dirname(__FILE__) + '/../../../spec_helper.rb')
+require File.expand_path(File.dirname(__FILE__) + "/../../../spec_helper.rb")
 
 describe Ohai::System, "AIX os plugin" do
   before(:each) do
@@ -32,4 +32,3 @@ describe Ohai::System, "AIX os plugin" do
     expect(@plugin[:os_version]).to eql("6")
   end
 end
-
diff --git a/spec/unit/plugins/aix/platform_spec.rb b/spec/unit/plugins/aix/platform_spec.rb
index 343f3ce0..318bc427 100644
--- a/spec/unit/plugins/aix/platform_spec.rb
+++ b/spec/unit/plugins/aix/platform_spec.rb
@@ -16,7 +16,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-require File.expand_path(File.dirname(__FILE__) + '/../../../spec_helper.rb')
+require File.expand_path(File.dirname(__FILE__) + "/../../../spec_helper.rb")
 
 describe Ohai::System, "Aix plugin platform" do
   before(:each) do
diff --git a/spec/unit/plugins/aix/uptime_spec.rb b/spec/unit/plugins/aix/uptime_spec.rb
index 503dec9f..071e561b 100644
--- a/spec/unit/plugins/aix/uptime_spec.rb
+++ b/spec/unit/plugins/aix/uptime_spec.rb
@@ -16,7 +16,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-require File.expand_path(File.dirname(__FILE__) + '/../../../spec_helper.rb')
+require File.expand_path(File.dirname(__FILE__) + "/../../../spec_helper.rb")
 
 describe Ohai::System, "Aix plugin uptime" do
 
diff --git a/spec/unit/plugins/aix/virtualization_spec.rb b/spec/unit/plugins/aix/virtualization_spec.rb
index db0833b8..3d968e19 100644
--- a/spec/unit/plugins/aix/virtualization_spec.rb
+++ b/spec/unit/plugins/aix/virtualization_spec.rb
@@ -16,7 +16,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-require 'spec_helper'
+require "spec_helper"
 
 describe Ohai::System, "AIX virtualization plugin" do
 
@@ -254,24 +254,24 @@ LSWPAR_L
       expect(plugin[:virtualization][:lpar_name]).to eq("l273pp027")
     end
 
-    context 'when WPARs exist on the LPAR' do
+    context "when WPARs exist on the LPAR" do
       before do
         plugin.run
       end
 
       let(:wpar1) do
-        plugin[:virtualization][:wpars]['applejack-541ba3']
+        plugin[:virtualization][:wpars]["applejack-541ba3"]
       end
 
       let(:wpar2) do
-        plugin[:virtualization][:wpars]['fluttershy-5c969f']
+        plugin[:virtualization][:wpars]["fluttershy-5c969f"]
       end
 
-      it 'detects all WPARs present (2)' do
+      it "detects all WPARs present (2)" do
         expect(plugin[:virtualization][:wpars].length).to eq(2)
       end
 
-      context 'when collecting WPAR info' do
+      context "when collecting WPAR info" do
         it 'finds the WPAR\'s hostname correctly' do
           expect(wpar1[:hostname]).to eq("applejack-pony-541ba3.ponyville.com")
           expect(wpar2[:hostname]).to eq("fluttershy-pony-5c969f.ponyville.com")
@@ -282,20 +282,20 @@ LSWPAR_L
           expect(wpar2[:address]).to eq("192.168.0.18")
         end
 
-        it 'parses device exports properly' do
-          expect(wpar1['device exports']['/dev/nvram']['type']).to eq("pseudo")
-          expect(wpar1['device exports']['/dev/nvram']['status']).to eq("EXPORTED")
+        it "parses device exports properly" do
+          expect(wpar1["device exports"]["/dev/nvram"]["type"]).to eq("pseudo")
+          expect(wpar1["device exports"]["/dev/nvram"]["status"]).to eq("EXPORTED")
         end
       end
     end
 
     context 'when WPARs don\'t exist on the LPAR' do
       before do
-        allow(plugin).to receive(:shell_out).with("lswpar -L").and_return(mock_shell_out(0, '', nil))
+        allow(plugin).to receive(:shell_out).with("lswpar -L").and_return(mock_shell_out(0, "", nil))
         plugin.run
       end
 
-      it 'detects all WPARs present (0)' do
+      it "detects all WPARs present (0)" do
         expect(plugin[:virtualization][:wpars]).to be_nil
       end
     end
diff --git a/spec/unit/plugins/azure_spec.rb b/spec/unit/plugins/azure_spec.rb
index e845df8c..5d1de59d 100644
--- a/spec/unit/plugins/azure_spec.rb
+++ b/spec/unit/plugins/azure_spec.rb
@@ -16,9 +16,8 @@
 # limitations under the License.
 #
 
-
-require File.expand_path(File.dirname(__FILE__) + '/../../spec_helper.rb')
-require 'open-uri'
+require File.expand_path(File.dirname(__FILE__) + "/../../spec_helper.rb")
+require "open-uri"
 
 describe Ohai::System, "plugin azure" do
   before(:each) do
@@ -27,82 +26,82 @@ describe Ohai::System, "plugin azure" do
 
   describe "with azure hint file" do
     before(:each) do
-      allow(File).to receive(:exist?).with('/etc/chef/ohai/hints/azure.json').and_return(true)
-      allow(File).to receive(:read).with('/etc/chef/ohai/hints/azure.json').and_return('{"public_ip":"137.135.46.202","vm_name":"test-vm","public_fqdn":"service.cloudapp.net","public_ssh_port":"22", "public_winrm_port":"5985"}')
+      allow(File).to receive(:exist?).with("/etc/chef/ohai/hints/azure.json").and_return(true)
+      allow(File).to receive(:read).with("/etc/chef/ohai/hints/azure.json").and_return('{"public_ip":"137.135.46.202","vm_name":"test-vm","public_fqdn":"service.cloudapp.net","public_ssh_port":"22", "public_winrm_port":"5985"}')
       allow(File).to receive(:exist?).with('C:\chef\ohai\hints/azure.json').and_return(true)
       allow(File).to receive(:read).with('C:\chef\ohai\hints/azure.json').and_return('{"public_ip":"137.135.46.202","vm_name":"test-vm","public_fqdn":"service.cloudapp.net","public_ssh_port":"22", "public_winrm_port":"5985"}')
       @plugin.run
     end
 
-    it 'should set the azure cloud attributes' do
+    it "should set the azure cloud attributes" do
       expect(@plugin[:azure]).not_to be_nil
-      expect(@plugin[:azure]['public_ip']).to  eq("137.135.46.202")
-      expect(@plugin[:azure]['vm_name']).to eq("test-vm")
-      expect(@plugin[:azure]['public_fqdn']).to eq("service.cloudapp.net")
-      expect(@plugin[:azure]['public_ssh_port']).to eq("22")
-      expect(@plugin[:azure]['public_winrm_port']).to eq("5985")
+      expect(@plugin[:azure]["public_ip"]).to eq("137.135.46.202")
+      expect(@plugin[:azure]["vm_name"]).to eq("test-vm")
+      expect(@plugin[:azure]["public_fqdn"]).to eq("service.cloudapp.net")
+      expect(@plugin[:azure]["public_ssh_port"]).to eq("22")
+      expect(@plugin[:azure]["public_winrm_port"]).to eq("5985")
     end
 
   end
 
   describe "without azure hint file or agent or dhcp options" do
     before(:each) do
-      allow(File).to receive(:exist?).with('/etc/chef/ohai/hints/azure.json').and_return(false)
+      allow(File).to receive(:exist?).with("/etc/chef/ohai/hints/azure.json").and_return(false)
       allow(File).to receive(:exist?).with('C:\chef\ohai\hints/azure.json').and_return(false)
-      allow(File).to receive(:exist?).with('/usr/sbin/waagent').and_return(false)
+      allow(File).to receive(:exist?).with("/usr/sbin/waagent").and_return(false)
       allow(Dir).to receive(:exist?).with('C:\WindowsAzure').and_return(false)
-      allow(File).to receive(:exist?).with('/var/lib/dhcp/dhclient.eth0.leases').and_return(false)
+      allow(File).to receive(:exist?).with("/var/lib/dhcp/dhclient.eth0.leases").and_return(false)
       @plugin.run
     end
 
-    it 'should not behave like azure' do
+    it "should not behave like azure" do
       expect(@plugin[:azure]).to be_nil
     end
   end
 
   describe "with rackspace hint file no agent and no dhcp options" do
     before(:each) do
-      allow(File).to receive(:exist?).with('/etc/chef/ohai/hints/rackspace.json').and_return(true)
-      allow(File).to receive(:read).with('/etc/chef/ohai/hints/rackspace.json').and_return('')
+      allow(File).to receive(:exist?).with("/etc/chef/ohai/hints/rackspace.json").and_return(true)
+      allow(File).to receive(:read).with("/etc/chef/ohai/hints/rackspace.json").and_return("")
       allow(File).to receive(:exist?).with('C:\chef\ohai\hints/rackspace.json').and_return(true)
-      allow(File).to receive(:read).with('C:\chef\ohai\hints/rackspace.json').and_return('')
-      allow(File).to receive(:exist?).with('/usr/sbin/waagent').and_return(false)
-      allow(File).to receive(:exist?).with('/etc/chef/ohai/hints/azure.json').and_return(false)
+      allow(File).to receive(:read).with('C:\chef\ohai\hints/rackspace.json').and_return("")
+      allow(File).to receive(:exist?).with("/usr/sbin/waagent").and_return(false)
+      allow(File).to receive(:exist?).with("/etc/chef/ohai/hints/azure.json").and_return(false)
       allow(File).to receive(:exist?).with('C:\chef\ohai\hints/azure.json').and_return(false)
       allow(Dir).to receive(:exist?).with('C:\WindowsAzure').and_return(false)
-      allow(File).to receive(:exist?).with('/var/lib/dhcp/dhclient.eth0.leases').and_return(false)
+      allow(File).to receive(:exist?).with("/var/lib/dhcp/dhclient.eth0.leases").and_return(false)
       @plugin.run
     end
 
-    it 'should not behave like azure' do
+    it "should not behave like azure" do
       expect(@plugin[:azure]).to be_nil
     end
   end
 
   describe "without azure hint file but with agent on linux" do
     before(:each) do
-      allow(File).to receive(:exist?).with('/etc/chef/ohai/hints/azure.json').and_return(false)
+      allow(File).to receive(:exist?).with("/etc/chef/ohai/hints/azure.json").and_return(false)
       allow(File).to receive(:exist?).with('C:\chef\ohai\hints/azure.json').and_return(false)
-      allow(File).to receive(:exist?).with('/usr/sbin/waagent').and_return(true)
+      allow(File).to receive(:exist?).with("/usr/sbin/waagent").and_return(true)
       allow(Dir).to receive(:exist?).with('C:\WindowsAzure').and_return(false)
       @plugin.run
     end
 
-    it 'should create empty azure mash' do
+    it "should create empty azure mash" do
       expect(@plugin[:azure]).to be_empty
     end
   end
 
   describe "without azure hint file but with agent on windows" do
     before(:each) do
-      allow(File).to receive(:exist?).with('/etc/chef/ohai/hints/azure.json').and_return(false)
+      allow(File).to receive(:exist?).with("/etc/chef/ohai/hints/azure.json").and_return(false)
       allow(File).to receive(:exist?).with('C:\chef\ohai\hints/azure.json').and_return(false)
-      allow(File).to receive(:exist?).with('/usr/sbin/waagent').and_return(false)
+      allow(File).to receive(:exist?).with("/usr/sbin/waagent").and_return(false)
       allow(Dir).to receive(:exist?).with('C:\WindowsAzure').and_return(true)
       @plugin.run
     end
 
-    it 'should create empty azure mash' do
+    it "should create empty azure mash" do
       puts "The dir exists?:" + "#{Dir.exist?('C:\WindowsAzure')}"
       expect(@plugin[:azure]).to be_empty
     end
@@ -110,37 +109,37 @@ describe Ohai::System, "plugin azure" do
 
   describe "without azure hint or agent but with dhcp option" do
     before(:each) do
-      allow(File).to receive(:exist?).with('/etc/chef/ohai/hints/azure.json').and_return(false)
+      allow(File).to receive(:exist?).with("/etc/chef/ohai/hints/azure.json").and_return(false)
       allow(File).to receive(:exist?).with('C:\chef\ohai\hints/azure.json').and_return(false)
-      allow(File).to receive(:exist?).with('/usr/sbin/waagent').and_return(false)
+      allow(File).to receive(:exist?).with("/usr/sbin/waagent").and_return(false)
       allow(Dir).to receive(:exist?).with('C:\WindowsAzure').and_return(false)
-      allow(File).to receive(:exist?).with('/var/lib/dhcp/dhclient.eth0.leases').and_return(true)
+      allow(File).to receive(:exist?).with("/var/lib/dhcp/dhclient.eth0.leases").and_return(true)
       @double_file = double("/var/lib/dhcp/dhclient.eth0.leases")
       allow(@double_file).to receive(:each).
-      and_yield('lease {').
-      and_yield('  interface "eth0";').
-      and_yield('  fixed-address 10.1.0.5;').
-      and_yield('  server-name "RD24BE05C6F140";').
-      and_yield('  option subnet-mask 255.255.255.0;').
-      and_yield('  option dhcp-lease-time 4294967295;').
-      and_yield('  option routers 10.1.0.1;').
-      and_yield('  option dhcp-message-type 5;').
-      and_yield('  option dhcp-server-identifier 168.63.129.16;').
-      and_yield('  option domain-name-servers 168.63.129.16;').
-      and_yield('  option dhcp-renewal-time 4294967295;').
-      and_yield('  option rfc3442-classless-static-routes 0,10,1,0,1,32,168,63,129,16,10,1,0,1;').
-      and_yield('  option unknown-245 a8:3f:81:10;').
-      and_yield('  option dhcp-rebinding-time 4294967295;').
-      and_yield('  option domain-name "v4wvfurds4relghweduc4zqjmd.dx.internal.cloudapp.net";').
-      and_yield('  renew 5 2152/03/10 09:03:39;').
-      and_yield('  rebind 5 2152/03/10 09:03:39;').
-      and_yield('  expire 5 2152/03/10 09:03:39;').
-      and_yield('}')
+        and_yield("lease {").
+        and_yield('  interface "eth0";').
+        and_yield("  fixed-address 10.1.0.5;").
+        and_yield('  server-name "RD24BE05C6F140";').
+        and_yield("  option subnet-mask 255.255.255.0;").
+        and_yield("  option dhcp-lease-time 4294967295;").
+        and_yield("  option routers 10.1.0.1;").
+        and_yield("  option dhcp-message-type 5;").
+        and_yield("  option dhcp-server-identifier 168.63.129.16;").
+        and_yield("  option domain-name-servers 168.63.129.16;").
+        and_yield("  option dhcp-renewal-time 4294967295;").
+        and_yield("  option rfc3442-classless-static-routes 0,10,1,0,1,32,168,63,129,16,10,1,0,1;").
+        and_yield("  option unknown-245 a8:3f:81:10;").
+        and_yield("  option dhcp-rebinding-time 4294967295;").
+        and_yield('  option domain-name "v4wvfurds4relghweduc4zqjmd.dx.internal.cloudapp.net";').
+        and_yield("  renew 5 2152/03/10 09:03:39;").
+        and_yield("  rebind 5 2152/03/10 09:03:39;").
+        and_yield("  expire 5 2152/03/10 09:03:39;").
+        and_yield("}")
       allow(File).to receive(:open).with("/var/lib/dhcp/dhclient.eth0.leases").and_return(@double_file)
       @plugin.run
     end
 
-    it 'should create empty azure mash' do
+    it "should create empty azure mash" do
       puts "The dir exists?:" + "#{Dir.exist?('C:\WindowsAzure')}"
       expect(@plugin[:azure]).to be_empty
     end
diff --git a/spec/unit/plugins/bsd/filesystem_spec.rb b/spec/unit/plugins/bsd/filesystem_spec.rb
index e03db087..d337cf79 100644
--- a/spec/unit/plugins/bsd/filesystem_spec.rb
+++ b/spec/unit/plugins/bsd/filesystem_spec.rb
@@ -17,7 +17,7 @@
 # limitations under the License.
 #
 
-require File.expand_path(File.dirname(__FILE__) + '/../../../spec_helper.rb')
+require File.expand_path(File.dirname(__FILE__) + "/../../../spec_helper.rb")
 
 describe Ohai::System, "BSD filesystem plugin" do
   let(:plugin) { get_plugin("bsd/filesystem") }
diff --git a/spec/unit/plugins/bsd/virtualization_spec.rb b/spec/unit/plugins/bsd/virtualization_spec.rb
index 0e01f16c..0df9136e 100644
--- a/spec/unit/plugins/bsd/virtualization_spec.rb
+++ b/spec/unit/plugins/bsd/virtualization_spec.rb
@@ -16,7 +16,7 @@
 # limitations under the License.
 #
 
-require File.expand_path(File.dirname(__FILE__) + '/../../../spec_helper.rb')
+require File.expand_path(File.dirname(__FILE__) + "/../../../spec_helper.rb")
 
 describe Ohai::System, "BSD virtualization plugin" do
   before(:each) do
@@ -24,7 +24,7 @@ describe Ohai::System, "BSD virtualization plugin" do
     allow(@plugin).to receive(:collect_os).and_return(:freebsd)
     allow(@plugin).to receive(:shell_out).with("sysctl -n security.jail.jailed").and_return(mock_shell_out(0, "0", ""))
     allow(@plugin).to receive(:shell_out).with("#{ Ohai.abs_path( "/sbin/kldstat" )}").and_return(mock_shell_out(0, "", ""))
-    allow(@plugin).to receive(:shell_out).with("jls -n").and_return(mock_shell_out(0, "",""))
+    allow(@plugin).to receive(:shell_out).with("jls -n").and_return(mock_shell_out(0, "", ""))
     allow(@plugin).to receive(:shell_out).with("sysctl -n hw.model").and_return(mock_shell_out(0, "", ""))
   end
 
@@ -39,7 +39,7 @@ describe Ohai::System, "BSD virtualization plugin" do
 
     it "detects we are hosting jails" do
       # from http://www.freebsd.org/doc/handbook/jails-application.html
-    @jails = "JID  IP Address      Hostname                      Path\n     3  192.168.3.17    ns.example.org                /home/j/ns\n     2  192.168.3.18    mail.example.org              /home/j/mail\n     1  62.123.43.14    www.example.org               /home/j/www"
+      @jails = "JID  IP Address      Hostname                      Path\n     3  192.168.3.17    ns.example.org                /home/j/ns\n     2  192.168.3.18    mail.example.org              /home/j/mail\n     1  62.123.43.14    www.example.org               /home/j/www"
       allow(@plugin).to receive(:shell_out).with("jls -n").and_return(mock_shell_out(0, @jails, ""))
       @plugin.run
       expect(@plugin[:virtualization][:system]).to eq("jail")
@@ -86,7 +86,7 @@ OUT
 
   context "when on a QEMU guest" do
     it "detects we are a guest" do
-      [ 'Common KVM processor', 'QEMU Virtual CPU version (cpu64-rhel6) ("GenuineIntel" 686-class)', 'Common 32-bit KVM processor'].each do |kvm_string|
+      [ "Common KVM processor", 'QEMU Virtual CPU version (cpu64-rhel6) ("GenuineIntel" 686-class)', "Common 32-bit KVM processor"].each do |kvm_string|
         allow(@plugin).to receive(:shell_out).with("sysctl -n hw.model").and_return(mock_shell_out(0, kvm_string, ""))
         @plugin.run
         expect(@plugin[:virtualization][:system]).to eq("kvm")
diff --git a/spec/unit/plugins/c_spec.rb b/spec/unit/plugins/c_spec.rb
index 96efd15d..78372132 100644
--- a/spec/unit/plugins/c_spec.rb
+++ b/spec/unit/plugins/c_spec.rb
@@ -16,9 +16,9 @@
 # limitations under the License.
 #
 
-require 'rbconfig'
+require "rbconfig"
 
-require File.expand_path(File.join(File.dirname(__FILE__), '..', '..', '/spec_helper.rb'))
+require File.expand_path(File.join(File.dirname(__FILE__), "..", "..", "/spec_helper.rb"))
 
 C_GCC = <<EOF
 Reading specs from /usr/lib/gcc/x86_64-redhat-linux/3.4.6/specs
@@ -42,7 +42,7 @@ Available extensions:
         The C stubs add-on version 2.1.2.
         BIND-8.2.3-T5B
         NIS(YP)/NIS+ NSS modules 0.19 by Thorsten Kukuk
-        Glibc-2.0 compatibility add-on by Cristian Gafton 
+        Glibc-2.0 compatibility add-on by Cristian Gafton
         GNU Libidn by Simon Josefsson
         libthread_db work sponsored by Alpha Processor Inc
 Thread-local storage support included.
@@ -59,14 +59,14 @@ PARTICULAR PURPOSE.
 Compiled by GNU CC version 4.1.2 20080704 (Red Hat 4.1.2-44).
 Compiled on a Linux 2.6.9 system on 2009-09-02.
 Available extensions:
-	The C stubs add-on version 2.1.2.
-	crypt add-on version 2.1 by Michael Glad and others
-	GNU Libidn by Simon Josefsson
-	GNU libio by Per Bothner
-	NIS(YP)/NIS+ NSS modules 0.19 by Thorsten Kukuk
-	Native POSIX Threads Library by Ulrich Drepper et al
-	BIND-8.2.3-T5B
-	RT using linux kernel aio
+  The C stubs add-on version 2.1.2.
+  crypt add-on version 2.1 by Michael Glad and others
+  GNU Libidn by Simon Josefsson
+  GNU libio by Per Bothner
+  NIS(YP)/NIS+ NSS modules 0.19 by Thorsten Kukuk
+  Native POSIX Threads Library by Ulrich Drepper et al
+  BIND-8.2.3-T5B
+  RT using linux kernel aio
 Thread-local storage support included.
 For bug reporting instructions, please see:
 <http://www.gnu.org/software/libc/bugs.html>.
@@ -97,7 +97,7 @@ C_HPUX = <<EOF
         $Revision: 92453-07 linker linker crt0.o B.11.47 051104 $
         LINT B.11.11.16 CXREF B.11.11.16
         HP92453-01 B.11.11.16 HP C Compiler
-         $ PATCH/11.00:PHCO_27774  Oct  3 2002 09:45:59 $ 
+         $ PATCH/11.00:PHCO_27774  Oct  3 2002 09:45:59 $
 EOF
 
 describe Ohai::System, "plugin c" do
diff --git a/spec/unit/plugins/chef_spec.rb b/spec/unit/plugins/chef_spec.rb
index 03034066..952edbad 100644
--- a/spec/unit/plugins/chef_spec.rb
+++ b/spec/unit/plugins/chef_spec.rb
@@ -19,9 +19,9 @@
 #
 
 begin
-  require File.expand_path(File.dirname(__FILE__) + '/../../spec_helper.rb')
+  require File.expand_path(File.dirname(__FILE__) + "/../../spec_helper.rb")
 
-  require 'chef/version'
+  require "chef/version"
 
   describe Ohai::System, "plugin chef" do
     before(:each) do
diff --git a/spec/unit/plugins/cloud_spec.rb b/spec/unit/plugins/cloud_spec.rb
index e64eb655..d90465b1 100644
--- a/spec/unit/plugins/cloud_spec.rb
+++ b/spec/unit/plugins/cloud_spec.rb
@@ -15,7 +15,7 @@
 # limitations under the License.
 #
 
-require File.expand_path(File.dirname(__FILE__) + '/../../spec_helper.rb')
+require File.expand_path(File.dirname(__FILE__) + "/../../spec_helper.rb")
 
 describe Ohai::System, "plugin cloud" do
   before(:each) do
@@ -41,15 +41,15 @@ describe Ohai::System, "plugin cloud" do
     end
 
     it "populates cloud public ip" do
-      @plugin[:ec2]['public_ipv4'] = "174.129.150.8"
+      @plugin[:ec2]["public_ipv4"] = "174.129.150.8"
       @plugin.run
-      expect(@plugin[:cloud][:public_ips][0]).to eq(@plugin[:ec2]['public_ipv4'])
+      expect(@plugin[:cloud][:public_ips][0]).to eq(@plugin[:ec2]["public_ipv4"])
     end
 
     it "populates cloud private ip" do
-      @plugin[:ec2]['local_ipv4'] = "10.252.42.149"
+      @plugin[:ec2]["local_ipv4"] = "10.252.42.149"
       @plugin.run
-      expect(@plugin[:cloud][:private_ips][0]).to eq(@plugin[:ec2]['local_ipv4'])
+      expect(@plugin[:cloud][:private_ips][0]).to eq(@plugin[:ec2]["local_ipv4"])
     end
 
     it "populates cloud provider" do
@@ -111,19 +111,19 @@ describe Ohai::System, "plugin cloud" do
     end
 
     it "populates cloud public ip" do
-      @plugin[:linode]['public_ip'] = "174.129.150.8"
+      @plugin[:linode]["public_ip"] = "174.129.150.8"
       @plugin.run
       expect(@plugin[:cloud][:public_ips][0]).to eq(@plugin[:linode][:public_ip])
     end
 
     it "populates cloud private ip" do
-      @plugin[:linode]['private_ip'] = "10.252.42.149"
+      @plugin[:linode]["private_ip"] = "10.252.42.149"
       @plugin.run
       expect(@plugin[:cloud][:private_ips][0]).to eq(@plugin[:linode][:private_ip])
     end
 
     it "populates first cloud public ip" do
-      @plugin[:linode]['public_ip'] = "174.129.150.8"
+      @plugin[:linode]["public_ip"] = "174.129.150.8"
       @plugin.run
       expect(@plugin[:cloud][:public_ips].first).to eq(@plugin[:linode][:public_ip])
     end
@@ -140,15 +140,15 @@ describe Ohai::System, "plugin cloud" do
     end
 
     it "populates cloud public ip" do
-      @plugin[:eucalyptus]['public_ipv4'] = "174.129.150.8"
+      @plugin[:eucalyptus]["public_ipv4"] = "174.129.150.8"
       @plugin.run
-      expect(@plugin[:cloud][:public_ips][0]).to eq(@plugin[:eucalyptus]['public_ipv4'])
+      expect(@plugin[:cloud][:public_ips][0]).to eq(@plugin[:eucalyptus]["public_ipv4"])
     end
 
     it "populates cloud private ip" do
-      @plugin[:eucalyptus]['local_ipv4'] = "10.252.42.149"
+      @plugin[:eucalyptus]["local_ipv4"] = "10.252.42.149"
       @plugin.run
-      expect(@plugin[:cloud][:private_ips][0]).to eq(@plugin[:eucalyptus]['local_ipv4'])
+      expect(@plugin[:cloud][:private_ips][0]).to eq(@plugin[:eucalyptus]["local_ipv4"])
     end
 
     it "populates cloud provider" do
@@ -163,41 +163,41 @@ describe Ohai::System, "plugin cloud" do
     end
 
     it "populates cloud public ip" do
-      @plugin[:azure]['public_ip'] = "174.129.150.8"
+      @plugin[:azure]["public_ip"] = "174.129.150.8"
       @plugin.run
-      expect(@plugin[:cloud][:public_ips][0]).to eq(@plugin[:azure]['public_ip'])
-      expect(@plugin[:cloud][:public_ipv4]).to eq(@plugin[:azure]['public_ip'])
+      expect(@plugin[:cloud][:public_ips][0]).to eq(@plugin[:azure]["public_ip"])
+      expect(@plugin[:cloud][:public_ipv4]).to eq(@plugin[:azure]["public_ip"])
     end
 
     it "populates cloud vm_name" do
-      @plugin[:azure]['vm_name'] = "linux-vm"
+      @plugin[:azure]["vm_name"] = "linux-vm"
       @plugin.run
-      expect(@plugin[:cloud][:vm_name]).to eq(@plugin[:azure]['vm_name'])
+      expect(@plugin[:cloud][:vm_name]).to eq(@plugin[:azure]["vm_name"])
     end
 
     it "populates cloud public_fqdn" do
-      @plugin[:azure]['public_fqdn'] = "linux-vm-svc.cloudapp.net"
+      @plugin[:azure]["public_fqdn"] = "linux-vm-svc.cloudapp.net"
       @plugin.run
-      expect(@plugin[:cloud][:public_fqdn]).to eq(@plugin[:azure]['public_fqdn'])
-      expect(@plugin[:cloud][:public_hostname]).to eq(@plugin[:azure]['public_fqdn'])
+      expect(@plugin[:cloud][:public_fqdn]).to eq(@plugin[:azure]["public_fqdn"])
+      expect(@plugin[:cloud][:public_hostname]).to eq(@plugin[:azure]["public_fqdn"])
     end
 
     it "populates cloud public_ssh_port" do
-      @plugin[:azure]['public_ssh_port'] = "22"
+      @plugin[:azure]["public_ssh_port"] = "22"
       @plugin.run
-      expect(@plugin[:cloud][:public_ssh_port]).to eq(@plugin[:azure]['public_ssh_port'])
+      expect(@plugin[:cloud][:public_ssh_port]).to eq(@plugin[:azure]["public_ssh_port"])
     end
 
     it "should not populate cloud public_ssh_port when winrm is used" do
-      @plugin[:azure]['public_winrm_port'] = "5985"
+      @plugin[:azure]["public_winrm_port"] = "5985"
       @plugin.run
       expect(@plugin[:cloud][:public_ssh_port]).to be_nil
     end
 
     it "populates cloud public_winrm_port" do
-      @plugin[:azure]['public_winrm_port'] = "5985"
+      @plugin[:azure]["public_winrm_port"] = "5985"
       @plugin.run
-      expect(@plugin[:cloud][:public_winrm_port]).to eq(@plugin[:azure]['public_winrm_port'])
+      expect(@plugin[:cloud][:public_winrm_port]).to eq(@plugin[:azure]["public_winrm_port"])
     end
 
     it "populates cloud provider" do
@@ -211,10 +211,10 @@ describe Ohai::System, "plugin cloud" do
       @plugin[:digital_ocean] = Mash.new
       @plugin[:digital_ocean][:name] = "public.example.com"
       @plugin[:digital_ocean][:networks] = Mash.new
-      @plugin[:digital_ocean][:networks][:v4] = [{"ip_address" => "1.2.3.4", "type" => "public"},
-                                                 {"ip_address" => "5.6.7.8", "type" => "private"}]
-      @plugin[:digital_ocean][:networks][:v6] = [{"ip_address" => "fe80::4240:95ff:fe47:6eee", "type" => "public"},
-                                                 {"ip_address" => "fdf8:f53b:82e4::53", "type" => "private"}]
+      @plugin[:digital_ocean][:networks][:v4] = [{ "ip_address" => "1.2.3.4", "type" => "public" },
+                                                 { "ip_address" => "5.6.7.8", "type" => "private" }]
+      @plugin[:digital_ocean][:networks][:v6] = [{ "ip_address" => "fe80::4240:95ff:fe47:6eee", "type" => "public" },
+                                                 { "ip_address" => "fdf8:f53b:82e4::53", "type" => "private" }]
     end
 
     before(:each) do
@@ -230,29 +230,29 @@ describe Ohai::System, "plugin cloud" do
     end
 
     it "populates cloud public ips" do
-      expect(@plugin[:cloud][:public_ips]).to eq(@plugin[:digital_ocean][:networks][:v4].select{|ip| ip['type'] == 'public'} +
-                                             @plugin[:digital_ocean][:networks][:v6].select{|ip| ip['type'] == 'public'})
+      expect(@plugin[:cloud][:public_ips]).to eq(@plugin[:digital_ocean][:networks][:v4].select { |ip| ip["type"] == "public" } +
+                                             @plugin[:digital_ocean][:networks][:v6].select { |ip| ip["type"] == "public" })
     end
 
     it "populates cloud private ips" do
-      expect(@plugin[:cloud][:private_ips]).to eq(@plugin[:digital_ocean][:networks][:v4].select{|ip| ip['type'] == 'private'} +
-                                              @plugin[:digital_ocean][:networks][:v6].select{|ip| ip['type'] == 'private'})
+      expect(@plugin[:cloud][:private_ips]).to eq(@plugin[:digital_ocean][:networks][:v4].select { |ip| ip["type"] == "private" } +
+                                              @plugin[:digital_ocean][:networks][:v6].select { |ip| ip["type"] == "private" })
     end
 
     it "populates cloud public_ipv4" do
-      expect(@plugin[:cloud][:public_ipv4]).to eq(@plugin[:digital_ocean][:networks][:v4].find{|ip| ip['type'] == 'public'})
+      expect(@plugin[:cloud][:public_ipv4]).to eq(@plugin[:digital_ocean][:networks][:v4].find { |ip| ip["type"] == "public" })
     end
 
     it "populates cloud local_ipv4" do
-      expect(@plugin[:cloud][:local_ipv4]).to eq(@plugin[:digital_ocean][:networks][:v4].find{|ip| ip['type'] == 'private'})
+      expect(@plugin[:cloud][:local_ipv4]).to eq(@plugin[:digital_ocean][:networks][:v4].find { |ip| ip["type"] == "private" })
     end
 
     it "populates cloud public_ipv6" do
-      expect(@plugin[:cloud][:public_ipv6]).to eq(@plugin[:digital_ocean][:networks][:v6].find{|ip| ip['type'] == 'public'})
+      expect(@plugin[:cloud][:public_ipv6]).to eq(@plugin[:digital_ocean][:networks][:v6].find { |ip| ip["type"] == "public" })
     end
 
     it "populates cloud local_ipv6" do
-      expect(@plugin[:cloud][:local_ipv6]).to eq(@plugin[:digital_ocean][:networks][:v6].find{|ip| ip['type'] == 'private'})
+      expect(@plugin[:cloud][:local_ipv6]).to eq(@plugin[:digital_ocean][:networks][:v6].find { |ip| ip["type"] == "private" })
     end
 
     it "populates cloud provider" do
diff --git a/spec/unit/plugins/cloud_v2_spec.rb b/spec/unit/plugins/cloud_v2_spec.rb
index d12ee9a7..e08e519d 100644
--- a/spec/unit/plugins/cloud_v2_spec.rb
+++ b/spec/unit/plugins/cloud_v2_spec.rb
@@ -15,8 +15,8 @@
 # limitations under the License.
 #
 
-require File.expand_path(File.dirname(__FILE__) + '/../../spec_helper.rb')
-require 'ipaddr'
+require File.expand_path(File.dirname(__FILE__) + "/../../spec_helper.rb")
+require "ipaddr"
 
 describe "CloudAttrs object" do
   before(:each) do
@@ -24,17 +24,17 @@ describe "CloudAttrs object" do
   end
 
   let(:cloud_node) do
-    {"public_ipv4_addrs"=>["1.2.3.1"],
-     "local_ipv4_addrs"=>["1.2.4.1"],
-     "public_ipv6_addrs"=>["3ffe:505:2::1"],
-     "local_ipv6_addrs"=>["3ffe:506:2::1"],
-     "public_ipv4"=>"1.2.3.1",
-     "local_ipv4"=>"1.2.4.1",
-     "public_ipv6"=>"3ffe:505:2::1",
-     "local_ipv6"=>"3ffe:506:2::1",
-     "public_hostname"=>"myhost.somewhere.com",
-     "local_hostname"=>"my-localhost",
-     "provider"=>"my_awesome_cloud"
+    { "public_ipv4_addrs" => ["1.2.3.1"],
+      "local_ipv4_addrs" => ["1.2.4.1"],
+      "public_ipv6_addrs" => ["3ffe:505:2::1"],
+      "local_ipv6_addrs" => ["3ffe:506:2::1"],
+      "public_ipv4" => "1.2.3.1",
+      "local_ipv4" => "1.2.4.1",
+      "public_ipv6" => "3ffe:505:2::1",
+      "local_ipv6" => "3ffe:506:2::1",
+      "public_hostname" => "myhost.somewhere.com",
+      "local_hostname" => "my-localhost",
+      "provider" => "my_awesome_cloud",
      }
   end
 
@@ -52,17 +52,17 @@ describe "CloudAttrs object" do
 
   it "throws exception with a bad ipv4 address" do
     @cloud_attr_obj = ::CloudAttrs.new()
-    expect {  @cloud_attr_obj.add_ipv6_addr("somebogusstring", :public) }.to raise_error(RuntimeError)
+    expect { @cloud_attr_obj.add_ipv6_addr("somebogusstring", :public) }.to raise_error(RuntimeError)
   end
 
   it "throws exception with a bad ipv6 address" do
     @cloud_attr_obj = ::CloudAttrs.new()
-    expect {  @cloud_attr_obj.add_ipv6_addr("FEED:B0B:DEAD:BEEF", :public)  }.to raise_error(RuntimeError)
+    expect { @cloud_attr_obj.add_ipv6_addr("FEED:B0B:DEAD:BEEF", :public) }.to raise_error(RuntimeError)
   end
 
   it "throws exception with ipv6 address passed to ipv4" do
     @cloud_attr_obj = ::CloudAttrs.new()
-    expect {  @cloud_attr_obj.add_ipv4_addr("3ffe:506:2::1", :public) }.to raise_error(RuntimeError)
+    expect { @cloud_attr_obj.add_ipv4_addr("3ffe:506:2::1", :public) }.to raise_error(RuntimeError)
   end
 
   it "throws exception with ipv4 address passed to ipv6" do
@@ -70,7 +70,6 @@ describe "CloudAttrs object" do
     expect {  @cloud_attr_obj.add_ipv6_addr("1.2.3.4", :public) }.to raise_error(RuntimeError)
   end
 
-
 end
 
 describe Ohai::System, "plugin cloud" do
@@ -98,15 +97,15 @@ describe Ohai::System, "plugin cloud" do
     end
 
     it "populates cloud public ip" do
-      @plugin[:ec2]['public_ipv4'] = "174.129.150.8"
+      @plugin[:ec2]["public_ipv4"] = "174.129.150.8"
       @plugin.run
-      expect(@plugin[:cloud_v2][:public_ipv4_addrs][0]).to eq(@plugin[:ec2]['public_ipv4'])
+      expect(@plugin[:cloud_v2][:public_ipv4_addrs][0]).to eq(@plugin[:ec2]["public_ipv4"])
     end
 
     it "populates cloud private ip" do
-      @plugin[:ec2]['local_ipv4'] = "10.252.42.149"
+      @plugin[:ec2]["local_ipv4"] = "10.252.42.149"
       @plugin.run
-      expect(@plugin[:cloud_v2][:local_ipv4_addrs][0]).to eq(@plugin[:ec2]['local_ipv4'])
+      expect(@plugin[:cloud_v2][:local_ipv4_addrs][0]).to eq(@plugin[:ec2]["local_ipv4"])
     end
 
     it "populates cloud provider" do
@@ -119,13 +118,13 @@ describe Ohai::System, "plugin cloud" do
     describe "with a public IP" do
       before do
         @plugin[:gce] = Mash.new()
-        @plugin[:gce]['instance'] = Mash.new()
-        @plugin[:gce]['instance']['networkInterfaces'] = [
+        @plugin[:gce]["instance"] = Mash.new()
+        @plugin[:gce]["instance"]["networkInterfaces"] = [
           {
-            "accessConfigs" => [ {"externalIp" => "8.35.198.173", "type"=>"ONE_TO_ONE_NAT"} ],
+            "accessConfigs" => [ { "externalIp" => "8.35.198.173", "type" => "ONE_TO_ONE_NAT" } ],
             "ip" => "10.240.0.102",
-            "network"=> "projects/foo/networks/default"
-          }
+            "network" => "projects/foo/networks/default",
+          },
         ]
       end
 
@@ -148,13 +147,13 @@ describe Ohai::System, "plugin cloud" do
     describe "with no public IP" do
       before do
         @plugin[:gce] = Mash.new()
-        @plugin[:gce]['instance'] = Mash.new()
-        @plugin[:gce]['instance']['networkInterfaces'] = [
+        @plugin[:gce]["instance"] = Mash.new()
+        @plugin[:gce]["instance"]["networkInterfaces"] = [
           {
-            "accessConfigs" => [ {"externalIp" => "", "type" => "ONE_TO_ONE_NAT"} ],
+            "accessConfigs" => [ { "externalIp" => "", "type" => "ONE_TO_ONE_NAT" } ],
             "ip" => "10.240.0.102",
-            "network" => "projects/foo/networks/default"
-          }
+            "network" => "projects/foo/networks/default",
+          },
         ]
       end
 
@@ -228,19 +227,19 @@ describe Ohai::System, "plugin cloud" do
     end
 
     it "populates cloud public ip" do
-      @plugin[:linode]['public_ip'] = "174.129.150.8"
+      @plugin[:linode]["public_ip"] = "174.129.150.8"
       @plugin.run
       expect(@plugin[:cloud_v2][:public_ipv4_addrs][0]).to eq(@plugin[:linode][:public_ip])
     end
 
     it "populates cloud private ip" do
-      @plugin[:linode]['private_ip'] = "10.252.42.149"
+      @plugin[:linode]["private_ip"] = "10.252.42.149"
       @plugin.run
       expect(@plugin[:cloud_v2][:local_ipv4_addrs][0]).to eq(@plugin[:linode][:private_ip])
     end
 
     it "populates first cloud public ip" do
-      @plugin[:linode]['public_ip'] = "174.129.150.8"
+      @plugin[:linode]["public_ip"] = "174.129.150.8"
       @plugin.run
       expect(@plugin[:cloud_v2][:public_ipv4_addrs].first).to eq(@plugin[:linode][:public_ip])
     end
@@ -257,15 +256,15 @@ describe Ohai::System, "plugin cloud" do
     end
 
     it "populates cloud public ip" do
-      @plugin[:eucalyptus]['public_ipv4'] = "174.129.150.8"
+      @plugin[:eucalyptus]["public_ipv4"] = "174.129.150.8"
       @plugin.run
-      expect(@plugin[:cloud_v2][:public_ipv4_addrs][0]).to eq(@plugin[:eucalyptus]['public_ipv4'])
+      expect(@plugin[:cloud_v2][:public_ipv4_addrs][0]).to eq(@plugin[:eucalyptus]["public_ipv4"])
     end
 
     it "populates cloud private ip" do
-      @plugin[:eucalyptus]['local_ipv4'] = "10.252.42.149"
+      @plugin[:eucalyptus]["local_ipv4"] = "10.252.42.149"
       @plugin.run
-      expect(@plugin[:cloud_v2][:local_ipv4_addrs][0]).to eq(@plugin[:eucalyptus]['local_ipv4'])
+      expect(@plugin[:cloud_v2][:local_ipv4_addrs][0]).to eq(@plugin[:eucalyptus]["local_ipv4"])
     end
 
     it "populates cloud provider" do
@@ -280,37 +279,37 @@ describe Ohai::System, "plugin cloud" do
     end
 
     it "populates cloud public ip" do
-      @plugin[:azure]['public_ip'] = "174.129.150.8"
+      @plugin[:azure]["public_ip"] = "174.129.150.8"
       @plugin.run
-      expect(@plugin[:cloud_v2][:public_ipv4_addrs][0]).to eq(@plugin[:azure]['public_ip'])
+      expect(@plugin[:cloud_v2][:public_ipv4_addrs][0]).to eq(@plugin[:azure]["public_ip"])
     end
 
     it "doesn't populates cloud vm_name" do
-      @plugin[:azure]['vm_name'] = "linux-vm"
+      @plugin[:azure]["vm_name"] = "linux-vm"
       @plugin.run
-      expect(@plugin[:cloud_v2][:vm_name]).not_to eq(@plugin[:azure]['vm_name'])
+      expect(@plugin[:cloud_v2][:vm_name]).not_to eq(@plugin[:azure]["vm_name"])
     end
 
     it "populates cloud public_hostname" do
-      @plugin[:azure]['public_fqdn'] = "linux-vm-svc.cloudapp.net"
+      @plugin[:azure]["public_fqdn"] = "linux-vm-svc.cloudapp.net"
       @plugin.run
-      expect(@plugin[:cloud_v2][:public_hostname]).to eq(@plugin[:azure]['public_fqdn'])
+      expect(@plugin[:cloud_v2][:public_hostname]).to eq(@plugin[:azure]["public_fqdn"])
     end
 
     it "doesn't populate cloud public_ssh_port" do
-      @plugin[:azure]['public_ssh_port'] = "22"
+      @plugin[:azure]["public_ssh_port"] = "22"
       @plugin.run
       expect(@plugin[:cloud_v2][:public_ssh_port]).to be_nil
     end
 
     it "should not populate cloud public_ssh_port when winrm is used" do
-      @plugin[:azure]['public_winrm_port'] = "5985"
+      @plugin[:azure]["public_winrm_port"] = "5985"
       @plugin.run
       expect(@plugin[:cloud_v2][:public_ssh_port]).to be_nil
     end
 
     it "populates cloud public_winrm_port" do
-      @plugin[:azure]['public_winrm_port'] = "5985"
+      @plugin[:azure]["public_winrm_port"] = "5985"
       @plugin.run
       expect(@plugin[:cloud_v2][:public_winrm_port]).to be_nil
     end
@@ -326,10 +325,10 @@ describe Ohai::System, "plugin cloud" do
       @plugin[:digital_ocean] = Mash.new
       @plugin[:digital_ocean][:name] = "public.example.com"
       @plugin[:digital_ocean][:networks] = Mash.new
-      @plugin[:digital_ocean][:networks][:v4] = [{"ip_address" => "1.2.3.4", "type" => "public"},
-                                                 {"ip_address" => "5.6.7.8", "type" => "private"}]
-      @plugin[:digital_ocean][:networks][:v6] = [{"ip_address" => "fe80::4240:95ff:fe47:6eee", "type" => "public"},
-                                                 {"ip_address" => "fdf8:f53b:82e4::53", "type" => "private"}]
+      @plugin[:digital_ocean][:networks][:v4] = [{ "ip_address" => "1.2.3.4", "type" => "public" },
+                                                 { "ip_address" => "5.6.7.8", "type" => "private" }]
+      @plugin[:digital_ocean][:networks][:v6] = [{ "ip_address" => "fe80::4240:95ff:fe47:6eee", "type" => "public" },
+                                                 { "ip_address" => "fdf8:f53b:82e4::53", "type" => "private" }]
     end
 
     before(:each) do
@@ -345,41 +344,41 @@ describe Ohai::System, "plugin cloud" do
     end
 
     it "populates cloud public_ipv4_addrs" do
-      expect(@plugin[:cloud_v2][:public_ipv4_addrs]).to eq(@plugin[:digital_ocean][:networks][:v4].select{|ip| ip['type'] == 'public'}
-                                                                                              .map{|ip| ip['ip_address']})
-                                                       
+      expect(@plugin[:cloud_v2][:public_ipv4_addrs]).to eq(@plugin[:digital_ocean][:networks][:v4].select { |ip| ip["type"] == "public" }
+                                                                                              .map { |ip| ip["ip_address"] })
+
     end
 
     it "populates cloud local_ipv4_addrs" do
-      expect(@plugin[:cloud_v2][:local_ipv4_addrs]).to eq(@plugin[:digital_ocean][:networks][:v4].select{|ip| ip['type'] == 'private'}
-                                                                                             .map{|ip| ip['ip_address']})
-                                                      
+      expect(@plugin[:cloud_v2][:local_ipv4_addrs]).to eq(@plugin[:digital_ocean][:networks][:v4].select { |ip| ip["type"] == "private" }
+                                                                                             .map { |ip| ip["ip_address"] })
+
     end
 
     it "populates cloud public_ipv4" do
-      expect(@plugin[:cloud_v2][:public_ipv4]).to eq(@plugin[:digital_ocean][:networks][:v4].find{|ip| ip['type'] == 'public'}['ip_address'])
+      expect(@plugin[:cloud_v2][:public_ipv4]).to eq(@plugin[:digital_ocean][:networks][:v4].find { |ip| ip["type"] == "public" }["ip_address"])
     end
 
     it "populates cloud local_ipv4" do
-      expect(@plugin[:cloud_v2][:local_ipv4]).to eq(@plugin[:digital_ocean][:networks][:v4].find{|ip| ip['type'] == 'private'}['ip_address'])
+      expect(@plugin[:cloud_v2][:local_ipv4]).to eq(@plugin[:digital_ocean][:networks][:v4].find { |ip| ip["type"] == "private" }["ip_address"])
     end
 
     it "populates cloud public_ipv6_addrs" do
-      expect(@plugin[:cloud_v2][:public_ipv6_addrs]).to eq(@plugin[:digital_ocean][:networks][:v6].select{|ip| ip['type'] == 'public'}
-                                                                                              .map{|ip| ip['ip_address']})
+      expect(@plugin[:cloud_v2][:public_ipv6_addrs]).to eq(@plugin[:digital_ocean][:networks][:v6].select { |ip| ip["type"] == "public" }
+                                                                                              .map { |ip| ip["ip_address"] })
     end
 
     it "populates cloud local_ipv6_addrs" do
-      expect(@plugin[:cloud_v2][:local_ipv6_addrs]).to eq(@plugin[:digital_ocean][:networks][:v6].select{|ip| ip['type'] == 'private'}
-                                                                                             .map{|ip| ip['ip_address']})
+      expect(@plugin[:cloud_v2][:local_ipv6_addrs]).to eq(@plugin[:digital_ocean][:networks][:v6].select { |ip| ip["type"] == "private" }
+                                                                                             .map { |ip| ip["ip_address"] })
     end
 
     it "populates cloud public_ipv6" do
-      expect(@plugin[:cloud_v2][:public_ipv6]).to eq(@plugin[:digital_ocean][:networks][:v6].find{|ip| ip['type'] == 'public'}['ip_address'])
+      expect(@plugin[:cloud_v2][:public_ipv6]).to eq(@plugin[:digital_ocean][:networks][:v6].find { |ip| ip["type"] == "public" }["ip_address"])
     end
 
     it "populates cloud local_ipv6" do
-      expect(@plugin[:cloud_v2][:local_ipv6]).to eq(@plugin[:digital_ocean][:networks][:v6].find{|ip| ip['type'] == 'private'}['ip_address'])
+      expect(@plugin[:cloud_v2][:local_ipv6]).to eq(@plugin[:digital_ocean][:networks][:v6].find { |ip| ip["type"] == "private" }["ip_address"])
     end
 
     it "populates cloud provider" do
diff --git a/spec/unit/plugins/darwin/cpu_spec.rb b/spec/unit/plugins/darwin/cpu_spec.rb
index 4cd1d92d..d6930c80 100644
--- a/spec/unit/plugins/darwin/cpu_spec.rb
+++ b/spec/unit/plugins/darwin/cpu_spec.rb
@@ -16,8 +16,7 @@
 # limitations under the License.
 #
 
-
-require File.expand_path(File.dirname(__FILE__) + '/../../../spec_helper.rb')
+require File.expand_path(File.dirname(__FILE__) + "/../../../spec_helper.rb")
 
 describe Ohai::System, "Darwin cpu plugin" do
   before(:each) do
diff --git a/spec/unit/plugins/darwin/filesystem2_spec.rb b/spec/unit/plugins/darwin/filesystem2_spec.rb
index c34aa8bd..2a652593 100644
--- a/spec/unit/plugins/darwin/filesystem2_spec.rb
+++ b/spec/unit/plugins/darwin/filesystem2_spec.rb
@@ -6,9 +6,9 @@
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at
-# 
+#
 #     http://www.apache.org/licenses/LICENSE-2.0
-# 
+#
 # Unless required by applicable law or agreed to in writing, software
 # distributed under the License is distributed on an "AS IS" BASIS,
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
@@ -16,7 +16,7 @@
 # limitations under the License.
 #
 
-require File.expand_path(File.dirname(__FILE__) + '/../../../spec_helper.rb')
+require File.expand_path(File.dirname(__FILE__) + "/../../../spec_helper.rb")
 
 describe Ohai::System, "darwin filesystem2 plugin" do
   let (:plugin) { get_plugin("darwin/filesystem2") }
@@ -59,7 +59,7 @@ DF
       expect(plugin[:filesystem2]["by_pair"]["/dev/disk0s2,/"][:mount]).to eq("/")
       expect(plugin[:filesystem2]["by_pair"]["/dev/disk0s2,/"][:device]).to eq("/dev/disk0s2")
     end
-    
+
     it "should set inode info to value from df -i" do
       plugin.run
       expect(plugin[:filesystem2]["by_pair"]["/dev/disk0s2,/"][:total_inodes]).to eq("61069440")
@@ -90,7 +90,7 @@ MOUNT
       plugin.run
       expect(plugin[:filesystem2]["by_pair"]["/dev/disk0s2,/"][:mount]).to eq("/")
       expect(plugin[:filesystem2]["by_pair"]["/dev/disk0s2,/"][:fs_type]).to eq("hfs")
-      expect(plugin[:filesystem2]["by_pair"]["/dev/disk0s2,/"][:mount_options]).to eq([ "local", "journaled" ])
+      expect(plugin[:filesystem2]["by_pair"]["/dev/disk0s2,/"][:mount_options]).to eq(%w{local journaled})
     end
   end
 
@@ -111,7 +111,7 @@ DF
 
     it "should provide a devices view with all mountpoints" do
       plugin.run
-      expect(plugin[:filesystem2]["by_device"]["/dev/disk0s2"][:mounts]).to eq(['/', '/another/mountpoint'])
+      expect(plugin[:filesystem2]["by_device"]["/dev/disk0s2"][:mounts]).to eq(["/", "/another/mountpoint"])
     end
   end
 
@@ -133,7 +133,7 @@ DF
 
     it "should provide a mounts view with all devices" do
       plugin.run
-      expect(plugin[:filesystem2]["by_mountpoint"]["/mnt"][:devices]).to eq(['/dev/disk0s3', '/dev/disk0s4'])
+      expect(plugin[:filesystem2]["by_mountpoint"]["/mnt"][:devices]).to eq(["/dev/disk0s3", "/dev/disk0s4"])
     end
   end
 end
diff --git a/spec/unit/plugins/darwin/filesystem_spec.rb b/spec/unit/plugins/darwin/filesystem_spec.rb
index 4b798973..b703bce9 100644
--- a/spec/unit/plugins/darwin/filesystem_spec.rb
+++ b/spec/unit/plugins/darwin/filesystem_spec.rb
@@ -6,9 +6,9 @@
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at
-# 
+#
 #     http://www.apache.org/licenses/LICENSE-2.0
-# 
+#
 # Unless required by applicable law or agreed to in writing, software
 # distributed under the License is distributed on an "AS IS" BASIS,
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
@@ -16,7 +16,7 @@
 # limitations under the License.
 #
 
-require File.expand_path(File.dirname(__FILE__) + '/../../../spec_helper.rb')
+require File.expand_path(File.dirname(__FILE__) + "/../../../spec_helper.rb")
 
 describe Ohai::System, "darwin filesystem plugin" do
   let (:plugin) { get_plugin("darwin/filesystem") }
@@ -58,7 +58,7 @@ DF
       plugin.run
       expect(plugin[:filesystem]["/dev/disk0s2"][:mount]).to eq("/")
     end
-    
+
     it "should set inode info to value from df -i" do
       plugin.run
       expect(plugin[:filesystem]["/dev/disk0s2"][:total_inodes]).to eq("61069440")
@@ -89,7 +89,7 @@ MOUNT
       plugin.run
       expect(plugin[:filesystem]["/dev/disk0s2"][:mount]).to eq("/")
       expect(plugin[:filesystem]["/dev/disk0s2"][:fs_type]).to eq("hfs")
-      expect(plugin[:filesystem]["/dev/disk0s2"][:mount_options]).to eq([ "local", "journaled" ])
+      expect(plugin[:filesystem]["/dev/disk0s2"][:mount_options]).to eq(%w{local journaled})
     end
   end
 end
diff --git a/spec/unit/plugins/darwin/hostname_spec.rb b/spec/unit/plugins/darwin/hostname_spec.rb
index eb5f5437..b95c8f8a 100644
--- a/spec/unit/plugins/darwin/hostname_spec.rb
+++ b/spec/unit/plugins/darwin/hostname_spec.rb
@@ -16,8 +16,7 @@
 # limitations under the License.
 #
 
-
-require File.expand_path(File.dirname(__FILE__) + '/../../../spec_helper.rb')
+require File.expand_path(File.dirname(__FILE__) + "/../../../spec_helper.rb")
 
 describe Ohai::System, "Darwin hostname plugin" do
   before(:each) do
@@ -42,5 +41,3 @@ describe Ohai::System, "Darwin hostname plugin" do
     expect(@plugin[:domain]).to eq("bethell")
   end
 end
-
-
diff --git a/spec/unit/plugins/darwin/kernel_spec.rb b/spec/unit/plugins/darwin/kernel_spec.rb
index b364849b..092beba0 100644
--- a/spec/unit/plugins/darwin/kernel_spec.rb
+++ b/spec/unit/plugins/darwin/kernel_spec.rb
@@ -16,8 +16,7 @@
 # limitations under the License.
 #
 
-
-require File.expand_path(File.dirname(__FILE__) + '/../../../spec_helper.rb')
+require File.expand_path(File.dirname(__FILE__) + "/../../../spec_helper.rb")
 
 describe Ohai::System, "Darwin kernel plugin" do
   before(:each) do
@@ -35,12 +34,9 @@ describe Ohai::System, "Darwin kernel plugin" do
 EOF
 
     modules = {
-      "com.apple.kec.corecrypto"=>
-      {"version"=>"1.0", "size"=>266240, "index"=>"8", "refcount"=>"0"},
-      "com.apple.iokit.IOACPIFamily"=>
-      {"version"=>"1.4", "size"=>36864, "index"=>"9", "refcount"=>"22"},
-      "com.apple.iokit.IOPCIFamily"=>
-      {"version"=>"2.8", "size"=>167936, "index"=>"10", "refcount"=>"30"}}
+      "com.apple.kec.corecrypto" =>       { "version" => "1.0", "size" => 266240, "index" => "8", "refcount" => "0" },
+      "com.apple.iokit.IOACPIFamily" =>       { "version" => "1.4", "size" => 36864, "index" => "9", "refcount" => "22" },
+      "com.apple.iokit.IOPCIFamily" =>       { "version" => "2.8", "size" => 167936, "index" => "10", "refcount" => "30" } }
 
     @plugin.run
     expect(@plugin[:kernel][:modules]).to eql(modules)
@@ -50,14 +46,14 @@ EOF
     allow(@plugin).to receive(:shell_out).with("sysctl -n hw.optional.x86_64").and_return(mock_shell_out(0, "0", ""))
     allow(@plugin).to receive(:shell_out).with("kextstat -k -l").and_return(mock_shell_out(0, "", ""))
     @plugin.run
-    expect(@plugin[:kernel][:machine]).not_to eq('x86_64')
+    expect(@plugin[:kernel][:machine]).not_to eq("x86_64")
   end
 
   it "should set kernel_machine to x86_64" do
     allow(@plugin).to receive(:shell_out).with("sysctl -n hw.optional.x86_64").and_return(mock_shell_out(0, "1", ""))
     allow(@plugin).to receive(:shell_out).with("kextstat -k -l").and_return(mock_shell_out(0, "", ""))
     @plugin.run
-    expect(@plugin[:kernel][:machine]).to eq('x86_64')
+    expect(@plugin[:kernel][:machine]).to eq("x86_64")
   end
 
   it "should set the kernel_os to the kernel_name value" do
diff --git a/spec/unit/plugins/darwin/memory_spec.rb b/spec/unit/plugins/darwin/memory_spec.rb
index 5db76cb0..b089fb87 100644
--- a/spec/unit/plugins/darwin/memory_spec.rb
+++ b/spec/unit/plugins/darwin/memory_spec.rb
@@ -16,7 +16,7 @@
 # limitations under the License.
 #
 
-require File.expand_path(File.dirname(__FILE__) + '/../../../spec_helper.rb')
+require File.expand_path(File.dirname(__FILE__) + "/../../../spec_helper.rb")
 
 describe Ohai::System, "Darwin Memory Plugin" do
   before(:each) do
@@ -47,18 +47,18 @@ Object cache: 12 hits of 139872 lookups (0% hit rate)
   end
 
   it "should set memory[:total] to 16384MB" do
-    expect(@plugin[:memory][:total]).to eq('16384MB')
+    expect(@plugin[:memory][:total]).to eq("16384MB")
   end
 
   it "should set memory[:active] to 5140MB" do
-    expect(@plugin[:memory][:active]).to eq('5140MB')
+    expect(@plugin[:memory][:active]).to eq("5140MB")
   end
 
   it "should set memory[:inactive] to 738MB" do
-    expect(@plugin[:memory][:inactive]).to eq('738MB')
+    expect(@plugin[:memory][:inactive]).to eq("738MB")
   end
 
   it "should set memory[:free] to 10504MB" do
-    expect(@plugin[:memory][:free]).to eq('10504MB')
+    expect(@plugin[:memory][:free]).to eq("10504MB")
   end
 end
diff --git a/spec/unit/plugins/darwin/network_spec.rb b/spec/unit/plugins/darwin/network_spec.rb
index 474104ef..7b549dea 100644
--- a/spec/unit/plugins/darwin/network_spec.rb
+++ b/spec/unit/plugins/darwin/network_spec.rb
@@ -16,7 +16,7 @@
 #  limitations under the License.
 #
 
-require File.expand_path(File.dirname(__FILE__) + '/../../../spec_helper.rb')
+require File.expand_path(File.dirname(__FILE__) + "/../../../spec_helper.rb")
 
 describe Ohai::System, "Darwin Network Plugin" do
   before(:each) do
@@ -439,412 +439,411 @@ net.smb.fs.tcprcvbuf: 261120
     end
 
     it "completes the run" do
-      expect(@plugin['network']).not_to be_nil
+      expect(@plugin["network"]).not_to be_nil
     end
 
     it "detects the interfaces" do
-      expect(@plugin['network']['interfaces'].keys.sort).to eq(["en0", "en1", "fw0", "gif0", "lo0", "p2p0", "stf0", "utun0"])
+      expect(@plugin["network"]["interfaces"].keys.sort).to eq(%w{en0 en1 fw0 gif0 lo0 p2p0 stf0 utun0})
     end
 
     it "detects the ipv4 addresses of the ethernet interface" do
-      expect(@plugin['network']['interfaces']['en1']['addresses'].keys).to include('10.20.10.144')
-      expect(@plugin['network']['interfaces']['en1']['addresses']['10.20.10.144']['netmask']).to eq('255.255.255.0')
-      expect(@plugin['network']['interfaces']['en1']['addresses']['10.20.10.144']['broadcast']).to eq('10.20.10.255')
-      expect(@plugin['network']['interfaces']['en1']['addresses']['10.20.10.144']['family']).to eq('inet')
+      expect(@plugin["network"]["interfaces"]["en1"]["addresses"].keys).to include("10.20.10.144")
+      expect(@plugin["network"]["interfaces"]["en1"]["addresses"]["10.20.10.144"]["netmask"]).to eq("255.255.255.0")
+      expect(@plugin["network"]["interfaces"]["en1"]["addresses"]["10.20.10.144"]["broadcast"]).to eq("10.20.10.255")
+      expect(@plugin["network"]["interfaces"]["en1"]["addresses"]["10.20.10.144"]["family"]).to eq("inet")
     end
 
     it "detects the ipv6 addresses of the ethernet interface" do
-      expect(@plugin['network']['interfaces']['en1']['addresses'].keys).to include('fe80::ba8d:12ff:fe3a:32de')
-      expect(@plugin['network']['interfaces']['en1']['addresses']['fe80::ba8d:12ff:fe3a:32de']['scope']).to eq('Link')
-      expect(@plugin['network']['interfaces']['en1']['addresses']['fe80::ba8d:12ff:fe3a:32de']['prefixlen']).to eq('64')
-      expect(@plugin['network']['interfaces']['en1']['addresses']['fe80::ba8d:12ff:fe3a:32de']['family']).to eq('inet6')
-
-      expect(@plugin['network']['interfaces']['en1']['addresses'].keys).to include('2001:44b8:4186:1100:ba8d:12ff:fe3a:32de')
-      expect(@plugin['network']['interfaces']['en1']['addresses']['2001:44b8:4186:1100:ba8d:12ff:fe3a:32de']['scope']).to eq('Global')
-      expect(@plugin['network']['interfaces']['en1']['addresses']['2001:44b8:4186:1100:ba8d:12ff:fe3a:32de']['prefixlen']).to eq('64')
-      expect(@plugin['network']['interfaces']['en1']['addresses']['2001:44b8:4186:1100:ba8d:12ff:fe3a:32de']['family']).to eq('inet6')
+      expect(@plugin["network"]["interfaces"]["en1"]["addresses"].keys).to include("fe80::ba8d:12ff:fe3a:32de")
+      expect(@plugin["network"]["interfaces"]["en1"]["addresses"]["fe80::ba8d:12ff:fe3a:32de"]["scope"]).to eq("Link")
+      expect(@plugin["network"]["interfaces"]["en1"]["addresses"]["fe80::ba8d:12ff:fe3a:32de"]["prefixlen"]).to eq("64")
+      expect(@plugin["network"]["interfaces"]["en1"]["addresses"]["fe80::ba8d:12ff:fe3a:32de"]["family"]).to eq("inet6")
+
+      expect(@plugin["network"]["interfaces"]["en1"]["addresses"].keys).to include("2001:44b8:4186:1100:ba8d:12ff:fe3a:32de")
+      expect(@plugin["network"]["interfaces"]["en1"]["addresses"]["2001:44b8:4186:1100:ba8d:12ff:fe3a:32de"]["scope"]).to eq("Global")
+      expect(@plugin["network"]["interfaces"]["en1"]["addresses"]["2001:44b8:4186:1100:ba8d:12ff:fe3a:32de"]["prefixlen"]).to eq("64")
+      expect(@plugin["network"]["interfaces"]["en1"]["addresses"]["2001:44b8:4186:1100:ba8d:12ff:fe3a:32de"]["family"]).to eq("inet6")
     end
 
     it "detects the mac addresses of the ethernet interface" do
-      expect(@plugin['network']['interfaces']['en1']['addresses'].keys).to include('b8:8d:12:3a:32:de')
-      expect(@plugin['network']['interfaces']['en1']['addresses']['b8:8d:12:3a:32:de']['family']).to eq('lladdr')
+      expect(@plugin["network"]["interfaces"]["en1"]["addresses"].keys).to include("b8:8d:12:3a:32:de")
+      expect(@plugin["network"]["interfaces"]["en1"]["addresses"]["b8:8d:12:3a:32:de"]["family"]).to eq("lladdr")
     end
 
     it "detects the encapsulation type of the ethernet interface" do
-      expect(@plugin['network']['interfaces']['en1']['encapsulation']).to eq('Ethernet')
+      expect(@plugin["network"]["interfaces"]["en1"]["encapsulation"]).to eq("Ethernet")
     end
 
     it "detects the flags of the ethernet interface" do
-      expect(@plugin['network']['interfaces']['en1']['flags'].sort).to eq(["BROADCAST", "MULTICAST", "RUNNING", "SIMPLEX", "SMART", "UP"])
+      expect(@plugin["network"]["interfaces"]["en1"]["flags"].sort).to eq(%w{BROADCAST MULTICAST RUNNING SIMPLEX SMART UP})
     end
 
-
     it "detects the mtu of the ethernet interface" do
-      expect(@plugin['network']['interfaces']['en1']['mtu']).to eq("1500")
+      expect(@plugin["network"]["interfaces"]["en1"]["mtu"]).to eq("1500")
     end
 
     it "detects the ipv4 addresses of the loopback interface" do
-      expect(@plugin['network']['interfaces']['lo0']['addresses'].keys).to include('127.0.0.1')
-      expect(@plugin['network']['interfaces']['lo0']['addresses']['127.0.0.1']['netmask']).to eq('255.0.0.0')
-      expect(@plugin['network']['interfaces']['lo0']['addresses']['127.0.0.1']['family']).to eq('inet')
+      expect(@plugin["network"]["interfaces"]["lo0"]["addresses"].keys).to include("127.0.0.1")
+      expect(@plugin["network"]["interfaces"]["lo0"]["addresses"]["127.0.0.1"]["netmask"]).to eq("255.0.0.0")
+      expect(@plugin["network"]["interfaces"]["lo0"]["addresses"]["127.0.0.1"]["family"]).to eq("inet")
     end
 
     it "detects the ipv6 addresses of the loopback interface" do
-      expect(@plugin['network']['interfaces']['lo0']['addresses'].keys).to include('::1')
-      expect(@plugin['network']['interfaces']['lo0']['addresses']['::1']['scope']).to eq('Node')
-      expect(@plugin['network']['interfaces']['lo0']['addresses']['::1']['prefixlen']).to eq('128')
-      expect(@plugin['network']['interfaces']['lo0']['addresses']['::1']['family']).to eq('inet6')
+      expect(@plugin["network"]["interfaces"]["lo0"]["addresses"].keys).to include("::1")
+      expect(@plugin["network"]["interfaces"]["lo0"]["addresses"]["::1"]["scope"]).to eq("Node")
+      expect(@plugin["network"]["interfaces"]["lo0"]["addresses"]["::1"]["prefixlen"]).to eq("128")
+      expect(@plugin["network"]["interfaces"]["lo0"]["addresses"]["::1"]["family"]).to eq("inet6")
     end
 
     it "detects the encapsulation type of the loopback interface" do
-      expect(@plugin['network']['interfaces']['lo0']['encapsulation']).to eq('Loopback')
+      expect(@plugin["network"]["interfaces"]["lo0"]["encapsulation"]).to eq("Loopback")
     end
 
     it "detects the flags of the ethernet interface" do
-      expect(@plugin['network']['interfaces']['lo0']['flags'].sort).to eq(["LOOPBACK", "MULTICAST", "RUNNING", "UP"])
+      expect(@plugin["network"]["interfaces"]["lo0"]["flags"].sort).to eq(%w{LOOPBACK MULTICAST RUNNING UP})
     end
 
     it "detects the mtu of the loopback interface" do
-      expect(@plugin['network']['interfaces']['lo0']['mtu']).to eq("16384")
+      expect(@plugin["network"]["interfaces"]["lo0"]["mtu"]).to eq("16384")
     end
 
     it "detects the arp entries" do
-      expect(@plugin['network']['interfaces']['en1']['arp']['10.20.10.1']).to eq('0:4:ed:de:41:bf')
+      expect(@plugin["network"]["interfaces"]["en1"]["arp"]["10.20.10.1"]).to eq("0:4:ed:de:41:bf")
     end
 
     it "detects the ethernet counters" do
-      expect(@plugin['counters']['network']['interfaces']['en1']['tx']['bytes']).to eq("18228234970")
-      expect(@plugin['counters']['network']['interfaces']['en1']['tx']['packets']).to eq("14314573")
-      expect(@plugin['counters']['network']['interfaces']['en1']['tx']['collisions']).to eq("0")
-      expect(@plugin['counters']['network']['interfaces']['en1']['tx']['errors']).to eq("0")
-      expect(@plugin['counters']['network']['interfaces']['en1']['tx']['carrier']).to eq(0)
-      expect(@plugin['counters']['network']['interfaces']['en1']['tx']['drop']).to eq(0)
-
-      expect(@plugin['counters']['network']['interfaces']['en1']['rx']['bytes']).to eq("2530556736")
-      expect(@plugin['counters']['network']['interfaces']['en1']['rx']['packets']).to eq("5921903")
-      expect(@plugin['counters']['network']['interfaces']['en1']['rx']['errors']).to eq("0")
-      expect(@plugin['counters']['network']['interfaces']['en1']['rx']['overrun']).to eq(0)
-      expect(@plugin['counters']['network']['interfaces']['en1']['rx']['drop']).to eq(0)
+      expect(@plugin["counters"]["network"]["interfaces"]["en1"]["tx"]["bytes"]).to eq("18228234970")
+      expect(@plugin["counters"]["network"]["interfaces"]["en1"]["tx"]["packets"]).to eq("14314573")
+      expect(@plugin["counters"]["network"]["interfaces"]["en1"]["tx"]["collisions"]).to eq("0")
+      expect(@plugin["counters"]["network"]["interfaces"]["en1"]["tx"]["errors"]).to eq("0")
+      expect(@plugin["counters"]["network"]["interfaces"]["en1"]["tx"]["carrier"]).to eq(0)
+      expect(@plugin["counters"]["network"]["interfaces"]["en1"]["tx"]["drop"]).to eq(0)
+
+      expect(@plugin["counters"]["network"]["interfaces"]["en1"]["rx"]["bytes"]).to eq("2530556736")
+      expect(@plugin["counters"]["network"]["interfaces"]["en1"]["rx"]["packets"]).to eq("5921903")
+      expect(@plugin["counters"]["network"]["interfaces"]["en1"]["rx"]["errors"]).to eq("0")
+      expect(@plugin["counters"]["network"]["interfaces"]["en1"]["rx"]["overrun"]).to eq(0)
+      expect(@plugin["counters"]["network"]["interfaces"]["en1"]["rx"]["drop"]).to eq(0)
     end
 
     it "detects the loopback counters" do
-      expect(@plugin['counters']['network']['interfaces']['lo0']['tx']['bytes']).to eq("25774844")
-      expect(@plugin['counters']['network']['interfaces']['lo0']['tx']['packets']).to eq("174982")
-      expect(@plugin['counters']['network']['interfaces']['lo0']['tx']['collisions']).to eq("0")
-      expect(@plugin['counters']['network']['interfaces']['lo0']['tx']['errors']).to eq("0")
-      expect(@plugin['counters']['network']['interfaces']['lo0']['tx']['carrier']).to eq(0)
-      expect(@plugin['counters']['network']['interfaces']['lo0']['tx']['drop']).to eq(0)
-
-      expect(@plugin['counters']['network']['interfaces']['lo0']['rx']['bytes']).to eq("25774844")
-      expect(@plugin['counters']['network']['interfaces']['lo0']['rx']['packets']).to eq("174982")
-      expect(@plugin['counters']['network']['interfaces']['lo0']['rx']['errors']).to eq("0")
-      expect(@plugin['counters']['network']['interfaces']['lo0']['rx']['overrun']).to eq(0)
-      expect(@plugin['counters']['network']['interfaces']['lo0']['rx']['drop']).to eq(0)
+      expect(@plugin["counters"]["network"]["interfaces"]["lo0"]["tx"]["bytes"]).to eq("25774844")
+      expect(@plugin["counters"]["network"]["interfaces"]["lo0"]["tx"]["packets"]).to eq("174982")
+      expect(@plugin["counters"]["network"]["interfaces"]["lo0"]["tx"]["collisions"]).to eq("0")
+      expect(@plugin["counters"]["network"]["interfaces"]["lo0"]["tx"]["errors"]).to eq("0")
+      expect(@plugin["counters"]["network"]["interfaces"]["lo0"]["tx"]["carrier"]).to eq(0)
+      expect(@plugin["counters"]["network"]["interfaces"]["lo0"]["tx"]["drop"]).to eq(0)
+
+      expect(@plugin["counters"]["network"]["interfaces"]["lo0"]["rx"]["bytes"]).to eq("25774844")
+      expect(@plugin["counters"]["network"]["interfaces"]["lo0"]["rx"]["packets"]).to eq("174982")
+      expect(@plugin["counters"]["network"]["interfaces"]["lo0"]["rx"]["errors"]).to eq("0")
+      expect(@plugin["counters"]["network"]["interfaces"]["lo0"]["rx"]["overrun"]).to eq(0)
+      expect(@plugin["counters"]["network"]["interfaces"]["lo0"]["rx"]["drop"]).to eq(0)
     end
 
     it "finds the default interface by asking which iface has the default route" do
-      expect(@plugin['network'][:default_interface]).to eq('en1')
+      expect(@plugin["network"][:default_interface]).to eq("en1")
     end
 
     it "finds the default interface by asking which iface has the default route" do
-      expect(@plugin['network'][:default_gateway]).to eq('10.20.10.1')
+      expect(@plugin["network"][:default_gateway]).to eq("10.20.10.1")
     end
 
     it "should detect network settings" do
-      expect(@plugin['network']['settings']['net.local.stream.sendspace']).to eq('8192')
-      expect(@plugin["network"]["settings"]['net.local.stream.recvspace']).to eq('8192')
-      expect(@plugin["network"]["settings"]['net.local.stream.tracemdns']).to eq('0')
-      expect(@plugin["network"]["settings"]['net.local.dgram.maxdgram']).to eq('2048')
-      expect(@plugin["network"]["settings"]['net.local.dgram.recvspace']).to eq('4096')
-      expect(@plugin["network"]["settings"]['net.local.inflight']).to eq('0')
-      expect(@plugin["network"]["settings"]['net.inet.ip.portrange.lowfirst']).to eq('1023')
-      expect(@plugin["network"]["settings"]['net.inet.ip.portrange.lowlast']).to eq('600')
-      expect(@plugin["network"]["settings"]['net.inet.ip.portrange.first']).to eq('49152')
-      expect(@plugin["network"]["settings"]['net.inet.ip.portrange.last']).to eq('65535')
-      expect(@plugin["network"]["settings"]['net.inet.ip.portrange.hifirst']).to eq('49152')
-      expect(@plugin["network"]["settings"]['net.inet.ip.portrange.hilast']).to eq('65535')
-      expect(@plugin["network"]["settings"]['net.inet.ip.forwarding']).to eq('1')
-      expect(@plugin["network"]["settings"]['net.inet.ip.redirect']).to eq('1')
-      expect(@plugin["network"]["settings"]['net.inet.ip.ttl']).to eq('64')
-      expect(@plugin["network"]["settings"]['net.inet.ip.rtexpire']).to eq('12')
-      expect(@plugin["network"]["settings"]['net.inet.ip.rtminexpire']).to eq('10')
-      expect(@plugin["network"]["settings"]['net.inet.ip.rtmaxcache']).to eq('128')
-      expect(@plugin["network"]["settings"]['net.inet.ip.sourceroute']).to eq('0')
-      expect(@plugin["network"]["settings"]['net.inet.ip.intr_queue_maxlen']).to eq('50')
-      expect(@plugin["network"]["settings"]['net.inet.ip.intr_queue_drops']).to eq('0')
-      expect(@plugin["network"]["settings"]['net.inet.ip.accept_sourceroute']).to eq('0')
-      expect(@plugin["network"]["settings"]['net.inet.ip.keepfaith']).to eq('0')
-      expect(@plugin["network"]["settings"]['net.inet.ip.gifttl']).to eq('30')
-      expect(@plugin["network"]["settings"]['net.inet.ip.subnets_are_local']).to eq('0')
-      expect(@plugin["network"]["settings"]['net.inet.ip.mcast.maxgrpsrc']).to eq('512')
-      expect(@plugin["network"]["settings"]['net.inet.ip.mcast.maxsocksrc']).to eq('128')
-      expect(@plugin["network"]["settings"]['net.inet.ip.mcast.loop']).to eq('1')
-      expect(@plugin["network"]["settings"]['net.inet.ip.check_route_selfref']).to eq('1')
-      expect(@plugin["network"]["settings"]['net.inet.ip.use_route_genid']).to eq('1')
-      expect(@plugin["network"]["settings"]['net.inet.ip.dummynet.hash_size']).to eq('64')
-      expect(@plugin["network"]["settings"]['net.inet.ip.dummynet.curr_time']).to eq('0')
-      expect(@plugin["network"]["settings"]['net.inet.ip.dummynet.ready_heap']).to eq('0')
-      expect(@plugin["network"]["settings"]['net.inet.ip.dummynet.extract_heap']).to eq('0')
-      expect(@plugin["network"]["settings"]['net.inet.ip.dummynet.searches']).to eq('0')
-      expect(@plugin["network"]["settings"]['net.inet.ip.dummynet.search_steps']).to eq('0')
-      expect(@plugin["network"]["settings"]['net.inet.ip.dummynet.expire']).to eq('1')
-      expect(@plugin["network"]["settings"]['net.inet.ip.dummynet.max_chain_len']).to eq('16')
-      expect(@plugin["network"]["settings"]['net.inet.ip.dummynet.red_lookup_depth']).to eq('256')
-      expect(@plugin["network"]["settings"]['net.inet.ip.dummynet.red_avg_pkt_size']).to eq('512')
-      expect(@plugin["network"]["settings"]['net.inet.ip.dummynet.red_max_pkt_size']).to eq('1500')
-      expect(@plugin["network"]["settings"]['net.inet.ip.dummynet.debug']).to eq('0')
-      expect(@plugin["network"]["settings"]['net.inet.ip.fw.enable']).to eq('1')
-      expect(@plugin["network"]["settings"]['net.inet.ip.fw.autoinc_step']).to eq('100')
-      expect(@plugin["network"]["settings"]['net.inet.ip.fw.one_pass']).to eq('0')
-      expect(@plugin["network"]["settings"]['net.inet.ip.fw.debug']).to eq('0')
-      expect(@plugin["network"]["settings"]['net.inet.ip.fw.verbose']).to eq('0')
-      expect(@plugin["network"]["settings"]['net.inet.ip.fw.verbose_limit']).to eq('0')
-      expect(@plugin["network"]["settings"]['net.inet.ip.fw.dyn_buckets']).to eq('256')
-      expect(@plugin["network"]["settings"]['net.inet.ip.fw.curr_dyn_buckets']).to eq('256')
-      expect(@plugin["network"]["settings"]['net.inet.ip.fw.dyn_count']).to eq('0')
-      expect(@plugin["network"]["settings"]['net.inet.ip.fw.dyn_max']).to eq('4096')
-      expect(@plugin["network"]["settings"]['net.inet.ip.fw.static_count']).to eq('2')
-      expect(@plugin["network"]["settings"]['net.inet.ip.fw.dyn_ack_lifetime']).to eq('300')
-      expect(@plugin["network"]["settings"]['net.inet.ip.fw.dyn_syn_lifetime']).to eq('20')
-      expect(@plugin["network"]["settings"]['net.inet.ip.fw.dyn_fin_lifetime']).to eq('1')
-      expect(@plugin["network"]["settings"]['net.inet.ip.fw.dyn_rst_lifetime']).to eq('1')
-      expect(@plugin["network"]["settings"]['net.inet.ip.fw.dyn_udp_lifetime']).to eq('10')
-      expect(@plugin["network"]["settings"]['net.inet.ip.fw.dyn_short_lifetime']).to eq('5')
-      expect(@plugin["network"]["settings"]['net.inet.ip.fw.dyn_keepalive']).to eq('1')
-      expect(@plugin["network"]["settings"]['net.inet.ip.maxfragpackets']).to eq('1536')
-      expect(@plugin["network"]["settings"]['net.inet.ip.maxfragsperpacket']).to eq('128')
-      expect(@plugin["network"]["settings"]['net.inet.ip.maxfrags']).to eq('3072')
-      expect(@plugin["network"]["settings"]['net.inet.ip.scopedroute']).to eq('1')
-      expect(@plugin["network"]["settings"]['net.inet.ip.check_interface']).to eq('0')
-      expect(@plugin["network"]["settings"]['net.inet.ip.linklocal.in.allowbadttl']).to eq('1')
-      expect(@plugin["network"]["settings"]['net.inet.ip.random_id']).to eq('1')
-      expect(@plugin["network"]["settings"]['net.inet.ip.maxchainsent']).to eq('0')
-      expect(@plugin["network"]["settings"]['net.inet.ip.select_srcif_debug']).to eq('0')
-      expect(@plugin["network"]["settings"]['net.inet.icmp.maskrepl']).to eq('0')
-      expect(@plugin["network"]["settings"]['net.inet.icmp.icmplim']).to eq('250')
-      expect(@plugin["network"]["settings"]['net.inet.icmp.timestamp']).to eq('0')
-      expect(@plugin["network"]["settings"]['net.inet.icmp.drop_redirect']).to eq('0')
-      expect(@plugin["network"]["settings"]['net.inet.icmp.log_redirect']).to eq('0')
-      expect(@plugin["network"]["settings"]['net.inet.icmp.bmcastecho']).to eq('1')
-      expect(@plugin["network"]["settings"]['net.inet.igmp.recvifkludge']).to eq('1')
-      expect(@plugin["network"]["settings"]['net.inet.igmp.sendra']).to eq('1')
-      expect(@plugin["network"]["settings"]['net.inet.igmp.sendlocal']).to eq('1')
-      expect(@plugin["network"]["settings"]['net.inet.igmp.v1enable']).to eq('1')
-      expect(@plugin["network"]["settings"]['net.inet.igmp.v2enable']).to eq('1')
-      expect(@plugin["network"]["settings"]['net.inet.igmp.legacysupp']).to eq('0')
-      expect(@plugin["network"]["settings"]['net.inet.igmp.default_version']).to eq('3')
-      expect(@plugin["network"]["settings"]['net.inet.igmp.gsrdelay']).to eq('10')
-      expect(@plugin["network"]["settings"]['net.inet.igmp.debug']).to eq('0')
-      expect(@plugin["network"]["settings"]['net.inet.tcp.rfc1323']).to eq('1')
-      expect(@plugin["network"]["settings"]['net.inet.tcp.rfc1644']).to eq('0')
-      expect(@plugin["network"]["settings"]['net.inet.tcp.mssdflt']).to eq('512')
-      expect(@plugin["network"]["settings"]['net.inet.tcp.keepidle']).to eq('7200000')
-      expect(@plugin["network"]["settings"]['net.inet.tcp.keepintvl']).to eq('75000')
-      expect(@plugin["network"]["settings"]['net.inet.tcp.sendspace']).to eq('65536')
-      expect(@plugin["network"]["settings"]['net.inet.tcp.recvspace']).to eq('65536')
-      expect(@plugin["network"]["settings"]['net.inet.tcp.keepinit']).to eq('75000')
-      expect(@plugin["network"]["settings"]['net.inet.tcp.v6mssdflt']).to eq('1024')
-      expect(@plugin["network"]["settings"]['net.inet.tcp.log_in_vain']).to eq('0')
-      expect(@plugin["network"]["settings"]['net.inet.tcp.blackhole']).to eq('0')
-      expect(@plugin["network"]["settings"]['net.inet.tcp.delayed_ack']).to eq('3')
-      expect(@plugin["network"]["settings"]['net.inet.tcp.tcp_lq_overflow']).to eq('1')
-      expect(@plugin["network"]["settings"]['net.inet.tcp.recvbg']).to eq('0')
-      expect(@plugin["network"]["settings"]['net.inet.tcp.drop_synfin']).to eq('1')
-      expect(@plugin["network"]["settings"]['net.inet.tcp.reass.maxsegments']).to eq('3072')
-      expect(@plugin["network"]["settings"]['net.inet.tcp.reass.cursegments']).to eq('0')
-      expect(@plugin["network"]["settings"]['net.inet.tcp.reass.overflows']).to eq('0')
-      expect(@plugin["network"]["settings"]['net.inet.tcp.slowlink_wsize']).to eq('8192')
-      expect(@plugin["network"]["settings"]['net.inet.tcp.maxseg_unacked']).to eq('8')
-      expect(@plugin["network"]["settings"]['net.inet.tcp.rfc3465']).to eq('1')
-      expect(@plugin["network"]["settings"]['net.inet.tcp.rfc3465_lim2']).to eq('1')
-      expect(@plugin["network"]["settings"]['net.inet.tcp.rtt_samples_per_slot']).to eq('20')
-      expect(@plugin["network"]["settings"]['net.inet.tcp.recv_allowed_iaj']).to eq('5')
-      expect(@plugin["network"]["settings"]['net.inet.tcp.acc_iaj_high_thresh']).to eq('100')
-      expect(@plugin["network"]["settings"]['net.inet.tcp.rexmt_thresh']).to eq('2')
-      expect(@plugin["network"]["settings"]['net.inet.tcp.path_mtu_discovery']).to eq('1')
-      expect(@plugin["network"]["settings"]['net.inet.tcp.slowstart_flightsize']).to eq('1')
-      expect(@plugin["network"]["settings"]['net.inet.tcp.local_slowstart_flightsize']).to eq('8')
-      expect(@plugin["network"]["settings"]['net.inet.tcp.tso']).to eq('1')
-      expect(@plugin["network"]["settings"]['net.inet.tcp.ecn_initiate_out']).to eq('0')
-      expect(@plugin["network"]["settings"]['net.inet.tcp.ecn_negotiate_in']).to eq('0')
-      expect(@plugin["network"]["settings"]['net.inet.tcp.packetchain']).to eq('50')
-      expect(@plugin["network"]["settings"]['net.inet.tcp.socket_unlocked_on_output']).to eq('1')
-      expect(@plugin["network"]["settings"]['net.inet.tcp.rfc3390']).to eq('1')
-      expect(@plugin["network"]["settings"]['net.inet.tcp.min_iaj_win']).to eq('4')
-      expect(@plugin["network"]["settings"]['net.inet.tcp.acc_iaj_react_limit']).to eq('200')
-      expect(@plugin["network"]["settings"]['net.inet.tcp.sack']).to eq('1')
-      expect(@plugin["network"]["settings"]['net.inet.tcp.sack_maxholes']).to eq('128')
-      expect(@plugin["network"]["settings"]['net.inet.tcp.sack_globalmaxholes']).to eq('65536')
-      expect(@plugin["network"]["settings"]['net.inet.tcp.sack_globalholes']).to eq('0')
-      expect(@plugin["network"]["settings"]['net.inet.tcp.minmss']).to eq('216')
-      expect(@plugin["network"]["settings"]['net.inet.tcp.minmssoverload']).to eq('0')
-      expect(@plugin["network"]["settings"]['net.inet.tcp.do_tcpdrain']).to eq('0')
-      expect(@plugin["network"]["settings"]['net.inet.tcp.pcbcount']).to eq('86')
-      expect(@plugin["network"]["settings"]['net.inet.tcp.icmp_may_rst']).to eq('1')
-      expect(@plugin["network"]["settings"]['net.inet.tcp.strict_rfc1948']).to eq('0')
-      expect(@plugin["network"]["settings"]['net.inet.tcp.isn_reseed_interval']).to eq('0')
-      expect(@plugin["network"]["settings"]['net.inet.tcp.background_io_enabled']).to eq('1')
-      expect(@plugin["network"]["settings"]['net.inet.tcp.rtt_min']).to eq('100')
-      expect(@plugin["network"]["settings"]['net.inet.tcp.rexmt_slop']).to eq('200')
-      expect(@plugin["network"]["settings"]['net.inet.tcp.randomize_ports']).to eq('0')
-      expect(@plugin["network"]["settings"]['net.inet.tcp.newreno_sockets']).to eq('81')
-      expect(@plugin["network"]["settings"]['net.inet.tcp.background_sockets']).to eq('-1')
-      expect(@plugin["network"]["settings"]['net.inet.tcp.tcbhashsize']).to eq('4096')
-      expect(@plugin["network"]["settings"]['net.inet.tcp.background_io_trigger']).to eq('5')
-      expect(@plugin["network"]["settings"]['net.inet.tcp.msl']).to eq('15000')
-      expect(@plugin["network"]["settings"]['net.inet.tcp.max_persist_timeout']).to eq('0')
-      expect(@plugin["network"]["settings"]['net.inet.tcp.always_keepalive']).to eq('0')
-      expect(@plugin["network"]["settings"]['net.inet.tcp.timer_fastmode_idlemax']).to eq('20')
-      expect(@plugin["network"]["settings"]['net.inet.tcp.broken_peer_syn_rxmit_thres']).to eq('7')
-      expect(@plugin["network"]["settings"]['net.inet.tcp.tcp_timer_advanced']).to eq('5')
-      expect(@plugin["network"]["settings"]['net.inet.tcp.tcp_resched_timerlist']).to eq('12209')
-      expect(@plugin["network"]["settings"]['net.inet.tcp.pmtud_blackhole_detection']).to eq('1')
-      expect(@plugin["network"]["settings"]['net.inet.tcp.pmtud_blackhole_mss']).to eq('1200')
-      expect(@plugin["network"]["settings"]['net.inet.tcp.timer_fastquantum']).to eq('100')
-      expect(@plugin["network"]["settings"]['net.inet.tcp.timer_slowquantum']).to eq('500')
-      expect(@plugin["network"]["settings"]['net.inet.tcp.win_scale_factor']).to eq('3')
-      expect(@plugin["network"]["settings"]['net.inet.tcp.sockthreshold']).to eq('64')
-      expect(@plugin["network"]["settings"]['net.inet.tcp.bg_target_qdelay']).to eq('100')
-      expect(@plugin["network"]["settings"]['net.inet.tcp.bg_allowed_increase']).to eq('2')
-      expect(@plugin["network"]["settings"]['net.inet.tcp.bg_tether_shift']).to eq('1')
-      expect(@plugin["network"]["settings"]['net.inet.tcp.bg_ss_fltsz']).to eq('2')
-      expect(@plugin["network"]["settings"]['net.inet.udp.checksum']).to eq('1')
-      expect(@plugin["network"]["settings"]['net.inet.udp.maxdgram']).to eq('9216')
-      expect(@plugin["network"]["settings"]['net.inet.udp.recvspace']).to eq('42080')
-      expect(@plugin["network"]["settings"]['net.inet.udp.log_in_vain']).to eq('0')
-      expect(@plugin["network"]["settings"]['net.inet.udp.blackhole']).to eq('0')
-      expect(@plugin["network"]["settings"]['net.inet.udp.pcbcount']).to eq('72')
-      expect(@plugin["network"]["settings"]['net.inet.udp.randomize_ports']).to eq('1')
-      expect(@plugin["network"]["settings"]['net.inet.ipsec.def_policy']).to eq('1')
-      expect(@plugin["network"]["settings"]['net.inet.ipsec.esp_trans_deflev']).to eq('1')
-      expect(@plugin["network"]["settings"]['net.inet.ipsec.esp_net_deflev']).to eq('1')
-      expect(@plugin["network"]["settings"]['net.inet.ipsec.ah_trans_deflev']).to eq('1')
-      expect(@plugin["network"]["settings"]['net.inet.ipsec.ah_net_deflev']).to eq('1')
-      expect(@plugin["network"]["settings"]['net.inet.ipsec.ah_cleartos']).to eq('1')
-      expect(@plugin["network"]["settings"]['net.inet.ipsec.ah_offsetmask']).to eq('0')
-      expect(@plugin["network"]["settings"]['net.inet.ipsec.dfbit']).to eq('0')
-      expect(@plugin["network"]["settings"]['net.inet.ipsec.ecn']).to eq('0')
-      expect(@plugin["network"]["settings"]['net.inet.ipsec.debug']).to eq('0')
-      expect(@plugin["network"]["settings"]['net.inet.ipsec.esp_randpad']).to eq('-1')
-      expect(@plugin["network"]["settings"]['net.inet.ipsec.bypass']).to eq('0')
-      expect(@plugin["network"]["settings"]['net.inet.ipsec.esp_port']).to eq('4500')
-      expect(@plugin["network"]["settings"]['net.inet.raw.maxdgram']).to eq('8192')
-      expect(@plugin["network"]["settings"]['net.inet.raw.recvspace']).to eq('8192')
-      expect(@plugin["network"]["settings"]['net.link.generic.system.ifcount']).to eq('10')
-      expect(@plugin["network"]["settings"]['net.link.generic.system.dlil_verbose']).to eq('0')
-      expect(@plugin["network"]["settings"]['net.link.generic.system.multi_threaded_input']).to eq('1')
-      expect(@plugin["network"]["settings"]['net.link.generic.system.dlil_input_sanity_check']).to eq('0')
-      expect(@plugin["network"]["settings"]['net.link.ether.inet.prune_intvl']).to eq('300')
-      expect(@plugin["network"]["settings"]['net.link.ether.inet.max_age']).to eq('1200')
-      expect(@plugin["network"]["settings"]['net.link.ether.inet.host_down_time']).to eq('20')
-      expect(@plugin["network"]["settings"]['net.link.ether.inet.apple_hwcksum_tx']).to eq('1')
-      expect(@plugin["network"]["settings"]['net.link.ether.inet.apple_hwcksum_rx']).to eq('1')
-      expect(@plugin["network"]["settings"]['net.link.ether.inet.arp_llreach_base']).to eq('30')
-      expect(@plugin["network"]["settings"]['net.link.ether.inet.maxtries']).to eq('5')
-      expect(@plugin["network"]["settings"]['net.link.ether.inet.useloopback']).to eq('1')
-      expect(@plugin["network"]["settings"]['net.link.ether.inet.proxyall']).to eq('0')
-      expect(@plugin["network"]["settings"]['net.link.ether.inet.sendllconflict']).to eq('0')
-      expect(@plugin["network"]["settings"]['net.link.ether.inet.log_arp_warnings']).to eq('0')
-      expect(@plugin["network"]["settings"]['net.link.ether.inet.keep_announcements']).to eq('1')
-      expect(@plugin["network"]["settings"]['net.link.ether.inet.send_conflicting_probes']).to eq('1')
-      expect(@plugin["network"]["settings"]['net.link.bridge.log_stp']).to eq('0')
-      expect(@plugin["network"]["settings"]['net.link.bridge.debug']).to eq('0')
-      expect(@plugin["network"]["settings"]['net.key.debug']).to eq('0')
-      expect(@plugin["network"]["settings"]['net.key.spi_trycnt']).to eq('1000')
-      expect(@plugin["network"]["settings"]['net.key.spi_minval']).to eq('256')
-      expect(@plugin["network"]["settings"]['net.key.spi_maxval']).to eq('268435455')
-      expect(@plugin["network"]["settings"]['net.key.int_random']).to eq('60')
-      expect(@plugin["network"]["settings"]['net.key.larval_lifetime']).to eq('30')
-      expect(@plugin["network"]["settings"]['net.key.blockacq_count']).to eq('10')
-      expect(@plugin["network"]["settings"]['net.key.blockacq_lifetime']).to eq('20')
-      expect(@plugin["network"]["settings"]['net.key.esp_keymin']).to eq('256')
-      expect(@plugin["network"]["settings"]['net.key.esp_auth']).to eq('0')
-      expect(@plugin["network"]["settings"]['net.key.ah_keymin']).to eq('128')
-      expect(@plugin["network"]["settings"]['net.key.prefered_oldsa']).to eq('0')
-      expect(@plugin["network"]["settings"]['net.key.natt_keepalive_interval']).to eq('20')
-      expect(@plugin["network"]["settings"]['net.inet6.ip6.forwarding']).to eq('0')
-      expect(@plugin["network"]["settings"]['net.inet6.ip6.redirect']).to eq('1')
-      expect(@plugin["network"]["settings"]['net.inet6.ip6.hlim']).to eq('64')
-      expect(@plugin["network"]["settings"]['net.inet6.ip6.maxfragpackets']).to eq('1536')
-      expect(@plugin["network"]["settings"]['net.inet6.ip6.accept_rtadv']).to eq('0')
-      expect(@plugin["network"]["settings"]['net.inet6.ip6.keepfaith']).to eq('0')
-      expect(@plugin["network"]["settings"]['net.inet6.ip6.log_interval']).to eq('5')
-      expect(@plugin["network"]["settings"]['net.inet6.ip6.hdrnestlimit']).to eq('15')
-      expect(@plugin["network"]["settings"]['net.inet6.ip6.dad_count']).to eq('1')
-      expect(@plugin["network"]["settings"]['net.inet6.ip6.auto_flowlabel']).to eq('1')
-      expect(@plugin["network"]["settings"]['net.inet6.ip6.defmcasthlim']).to eq('1')
-      expect(@plugin["network"]["settings"]['net.inet6.ip6.gifhlim']).to eq('0')
-      expect(@plugin["network"]["settings"]['net.inet6.ip6.kame_version']).to eq('2009/apple-darwin')
-      expect(@plugin["network"]["settings"]['net.inet6.ip6.use_deprecated']).to eq('1')
-      expect(@plugin["network"]["settings"]['net.inet6.ip6.rr_prune']).to eq('5')
-      expect(@plugin["network"]["settings"]['net.inet6.ip6.v6only']).to eq('0')
-      expect(@plugin["network"]["settings"]['net.inet6.ip6.rtexpire']).to eq('3600')
-      expect(@plugin["network"]["settings"]['net.inet6.ip6.rtminexpire']).to eq('10')
-      expect(@plugin["network"]["settings"]['net.inet6.ip6.rtmaxcache']).to eq('128')
-      expect(@plugin["network"]["settings"]['net.inet6.ip6.use_tempaddr']).to eq('1')
-      expect(@plugin["network"]["settings"]['net.inet6.ip6.temppltime']).to eq('86400')
-      expect(@plugin["network"]["settings"]['net.inet6.ip6.tempvltime']).to eq('604800')
-      expect(@plugin["network"]["settings"]['net.inet6.ip6.auto_linklocal']).to eq('1')
-      expect(@plugin["network"]["settings"]['net.inet6.ip6.prefer_tempaddr']).to eq('1')
-      expect(@plugin["network"]["settings"]['net.inet6.ip6.use_defaultzone']).to eq('0')
-      expect(@plugin["network"]["settings"]['net.inet6.ip6.maxfrags']).to eq('12288')
-      expect(@plugin["network"]["settings"]['net.inet6.ip6.mcast_pmtu']).to eq('0')
-      expect(@plugin["network"]["settings"]['net.inet6.ip6.neighborgcthresh']).to eq('1024')
-      expect(@plugin["network"]["settings"]['net.inet6.ip6.maxifprefixes']).to eq('16')
-      expect(@plugin["network"]["settings"]['net.inet6.ip6.maxifdefrouters']).to eq('16')
-      expect(@plugin["network"]["settings"]['net.inet6.ip6.maxdynroutes']).to eq('1024')
-      expect(@plugin["network"]["settings"]['net.inet6.ip6.fw.enable']).to eq('1')
-      expect(@plugin["network"]["settings"]['net.inet6.ip6.fw.debug']).to eq('0')
-      expect(@plugin["network"]["settings"]['net.inet6.ip6.fw.verbose']).to eq('0')
-      expect(@plugin["network"]["settings"]['net.inet6.ip6.fw.verbose_limit']).to eq('0')
-      expect(@plugin["network"]["settings"]['net.inet6.ip6.scopedroute']).to eq('1')
-      expect(@plugin["network"]["settings"]['net.inet6.ip6.select_srcif_debug']).to eq('0')
-      expect(@plugin["network"]["settings"]['net.inet6.ip6.mcast.maxgrpsrc']).to eq('512')
-      expect(@plugin["network"]["settings"]['net.inet6.ip6.mcast.maxsocksrc']).to eq('128')
-      expect(@plugin["network"]["settings"]['net.inet6.ip6.mcast.loop']).to eq('1')
-      expect(@plugin["network"]["settings"]['net.inet6.ip6.only_allow_rfc4193_prefixes']).to eq('0')
-      expect(@plugin["network"]["settings"]['net.inet6.ipsec6.def_policy']).to eq('1')
-      expect(@plugin["network"]["settings"]['net.inet6.ipsec6.esp_trans_deflev']).to eq('1')
-      expect(@plugin["network"]["settings"]['net.inet6.ipsec6.esp_net_deflev']).to eq('1')
-      expect(@plugin["network"]["settings"]['net.inet6.ipsec6.ah_trans_deflev']).to eq('1')
-      expect(@plugin["network"]["settings"]['net.inet6.ipsec6.ah_net_deflev']).to eq('1')
-      expect(@plugin["network"]["settings"]['net.inet6.ipsec6.ecn']).to eq('0')
-      expect(@plugin["network"]["settings"]['net.inet6.ipsec6.debug']).to eq('0')
-      expect(@plugin["network"]["settings"]['net.inet6.ipsec6.esp_randpad']).to eq('-1')
-      expect(@plugin["network"]["settings"]['net.inet6.icmp6.rediraccept']).to eq('1')
-      expect(@plugin["network"]["settings"]['net.inet6.icmp6.redirtimeout']).to eq('600')
-      expect(@plugin["network"]["settings"]['net.inet6.icmp6.nd6_prune']).to eq('1')
-      expect(@plugin["network"]["settings"]['net.inet6.icmp6.nd6_delay']).to eq('5')
-      expect(@plugin["network"]["settings"]['net.inet6.icmp6.nd6_umaxtries']).to eq('3')
-      expect(@plugin["network"]["settings"]['net.inet6.icmp6.nd6_mmaxtries']).to eq('3')
-      expect(@plugin["network"]["settings"]['net.inet6.icmp6.nd6_useloopback']).to eq('1')
-      expect(@plugin["network"]["settings"]['net.inet6.icmp6.nodeinfo']).to eq('3')
-      expect(@plugin["network"]["settings"]['net.inet6.icmp6.errppslimit']).to eq('500')
-      expect(@plugin["network"]["settings"]['net.inet6.icmp6.nd6_maxnudhint']).to eq('0')
-      expect(@plugin["network"]["settings"]['net.inet6.icmp6.nd6_debug']).to eq('0')
-      expect(@plugin["network"]["settings"]['net.inet6.icmp6.nd6_accept_6to4']).to eq('1')
-      expect(@plugin["network"]["settings"]['net.inet6.icmp6.nd6_onlink_ns_rfc4861']).to eq('0')
-      expect(@plugin["network"]["settings"]['net.inet6.icmp6.nd6_llreach_base']).to eq('30')
-      expect(@plugin["network"]["settings"]['net.inet6.mld.gsrdelay']).to eq('10')
-      expect(@plugin["network"]["settings"]['net.inet6.mld.v1enable']).to eq('1')
-      expect(@plugin["network"]["settings"]['net.inet6.mld.use_allow']).to eq('1')
-      expect(@plugin["network"]["settings"]['net.inet6.mld.debug']).to eq('0')
-      expect(@plugin["network"]["settings"]['net.idle.route.expire_timeout']).to eq('30')
-      expect(@plugin["network"]["settings"]['net.idle.route.drain_interval']).to eq('10')
-      expect(@plugin["network"]["settings"]['net.statistics']).to eq('1')
-      expect(@plugin["network"]["settings"]['net.alf.loglevel']).to eq('55')
-      expect(@plugin["network"]["settings"]['net.alf.perm']).to eq('0')
-      expect(@plugin["network"]["settings"]['net.alf.defaultaction']).to eq('1')
-      expect(@plugin["network"]["settings"]['net.alf.mqcount']).to eq('0')
-      expect(@plugin["network"]["settings"]['net.smb.fs.version']).to eq('107000')
-      expect(@plugin["network"]["settings"]['net.smb.fs.loglevel']).to eq('0')
-      expect(@plugin["network"]["settings"]['net.smb.fs.kern_ntlmssp']).to eq('0')
-      expect(@plugin["network"]["settings"]['net.smb.fs.kern_deprecatePreXPServers']).to eq('1')
-      expect(@plugin["network"]["settings"]['net.smb.fs.kern_deadtimer']).to eq('60')
-      expect(@plugin["network"]["settings"]['net.smb.fs.kern_hard_deadtimer']).to eq('600')
-      expect(@plugin["network"]["settings"]['net.smb.fs.kern_soft_deadtimer']).to eq('30')
-      expect(@plugin["network"]["settings"]['net.smb.fs.tcpsndbuf']).to eq('261120')
-      expect(@plugin["network"]["settings"]['net.smb.fs.tcprcvbuf']).to eq('261120')
+      expect(@plugin["network"]["settings"]["net.local.stream.sendspace"]).to eq("8192")
+      expect(@plugin["network"]["settings"]["net.local.stream.recvspace"]).to eq("8192")
+      expect(@plugin["network"]["settings"]["net.local.stream.tracemdns"]).to eq("0")
+      expect(@plugin["network"]["settings"]["net.local.dgram.maxdgram"]).to eq("2048")
+      expect(@plugin["network"]["settings"]["net.local.dgram.recvspace"]).to eq("4096")
+      expect(@plugin["network"]["settings"]["net.local.inflight"]).to eq("0")
+      expect(@plugin["network"]["settings"]["net.inet.ip.portrange.lowfirst"]).to eq("1023")
+      expect(@plugin["network"]["settings"]["net.inet.ip.portrange.lowlast"]).to eq("600")
+      expect(@plugin["network"]["settings"]["net.inet.ip.portrange.first"]).to eq("49152")
+      expect(@plugin["network"]["settings"]["net.inet.ip.portrange.last"]).to eq("65535")
+      expect(@plugin["network"]["settings"]["net.inet.ip.portrange.hifirst"]).to eq("49152")
+      expect(@plugin["network"]["settings"]["net.inet.ip.portrange.hilast"]).to eq("65535")
+      expect(@plugin["network"]["settings"]["net.inet.ip.forwarding"]).to eq("1")
+      expect(@plugin["network"]["settings"]["net.inet.ip.redirect"]).to eq("1")
+      expect(@plugin["network"]["settings"]["net.inet.ip.ttl"]).to eq("64")
+      expect(@plugin["network"]["settings"]["net.inet.ip.rtexpire"]).to eq("12")
+      expect(@plugin["network"]["settings"]["net.inet.ip.rtminexpire"]).to eq("10")
+      expect(@plugin["network"]["settings"]["net.inet.ip.rtmaxcache"]).to eq("128")
+      expect(@plugin["network"]["settings"]["net.inet.ip.sourceroute"]).to eq("0")
+      expect(@plugin["network"]["settings"]["net.inet.ip.intr_queue_maxlen"]).to eq("50")
+      expect(@plugin["network"]["settings"]["net.inet.ip.intr_queue_drops"]).to eq("0")
+      expect(@plugin["network"]["settings"]["net.inet.ip.accept_sourceroute"]).to eq("0")
+      expect(@plugin["network"]["settings"]["net.inet.ip.keepfaith"]).to eq("0")
+      expect(@plugin["network"]["settings"]["net.inet.ip.gifttl"]).to eq("30")
+      expect(@plugin["network"]["settings"]["net.inet.ip.subnets_are_local"]).to eq("0")
+      expect(@plugin["network"]["settings"]["net.inet.ip.mcast.maxgrpsrc"]).to eq("512")
+      expect(@plugin["network"]["settings"]["net.inet.ip.mcast.maxsocksrc"]).to eq("128")
+      expect(@plugin["network"]["settings"]["net.inet.ip.mcast.loop"]).to eq("1")
+      expect(@plugin["network"]["settings"]["net.inet.ip.check_route_selfref"]).to eq("1")
+      expect(@plugin["network"]["settings"]["net.inet.ip.use_route_genid"]).to eq("1")
+      expect(@plugin["network"]["settings"]["net.inet.ip.dummynet.hash_size"]).to eq("64")
+      expect(@plugin["network"]["settings"]["net.inet.ip.dummynet.curr_time"]).to eq("0")
+      expect(@plugin["network"]["settings"]["net.inet.ip.dummynet.ready_heap"]).to eq("0")
+      expect(@plugin["network"]["settings"]["net.inet.ip.dummynet.extract_heap"]).to eq("0")
+      expect(@plugin["network"]["settings"]["net.inet.ip.dummynet.searches"]).to eq("0")
+      expect(@plugin["network"]["settings"]["net.inet.ip.dummynet.search_steps"]).to eq("0")
+      expect(@plugin["network"]["settings"]["net.inet.ip.dummynet.expire"]).to eq("1")
+      expect(@plugin["network"]["settings"]["net.inet.ip.dummynet.max_chain_len"]).to eq("16")
+      expect(@plugin["network"]["settings"]["net.inet.ip.dummynet.red_lookup_depth"]).to eq("256")
+      expect(@plugin["network"]["settings"]["net.inet.ip.dummynet.red_avg_pkt_size"]).to eq("512")
+      expect(@plugin["network"]["settings"]["net.inet.ip.dummynet.red_max_pkt_size"]).to eq("1500")
+      expect(@plugin["network"]["settings"]["net.inet.ip.dummynet.debug"]).to eq("0")
+      expect(@plugin["network"]["settings"]["net.inet.ip.fw.enable"]).to eq("1")
+      expect(@plugin["network"]["settings"]["net.inet.ip.fw.autoinc_step"]).to eq("100")
+      expect(@plugin["network"]["settings"]["net.inet.ip.fw.one_pass"]).to eq("0")
+      expect(@plugin["network"]["settings"]["net.inet.ip.fw.debug"]).to eq("0")
+      expect(@plugin["network"]["settings"]["net.inet.ip.fw.verbose"]).to eq("0")
+      expect(@plugin["network"]["settings"]["net.inet.ip.fw.verbose_limit"]).to eq("0")
+      expect(@plugin["network"]["settings"]["net.inet.ip.fw.dyn_buckets"]).to eq("256")
+      expect(@plugin["network"]["settings"]["net.inet.ip.fw.curr_dyn_buckets"]).to eq("256")
+      expect(@plugin["network"]["settings"]["net.inet.ip.fw.dyn_count"]).to eq("0")
+      expect(@plugin["network"]["settings"]["net.inet.ip.fw.dyn_max"]).to eq("4096")
+      expect(@plugin["network"]["settings"]["net.inet.ip.fw.static_count"]).to eq("2")
+      expect(@plugin["network"]["settings"]["net.inet.ip.fw.dyn_ack_lifetime"]).to eq("300")
+      expect(@plugin["network"]["settings"]["net.inet.ip.fw.dyn_syn_lifetime"]).to eq("20")
+      expect(@plugin["network"]["settings"]["net.inet.ip.fw.dyn_fin_lifetime"]).to eq("1")
+      expect(@plugin["network"]["settings"]["net.inet.ip.fw.dyn_rst_lifetime"]).to eq("1")
+      expect(@plugin["network"]["settings"]["net.inet.ip.fw.dyn_udp_lifetime"]).to eq("10")
+      expect(@plugin["network"]["settings"]["net.inet.ip.fw.dyn_short_lifetime"]).to eq("5")
+      expect(@plugin["network"]["settings"]["net.inet.ip.fw.dyn_keepalive"]).to eq("1")
+      expect(@plugin["network"]["settings"]["net.inet.ip.maxfragpackets"]).to eq("1536")
+      expect(@plugin["network"]["settings"]["net.inet.ip.maxfragsperpacket"]).to eq("128")
+      expect(@plugin["network"]["settings"]["net.inet.ip.maxfrags"]).to eq("3072")
+      expect(@plugin["network"]["settings"]["net.inet.ip.scopedroute"]).to eq("1")
+      expect(@plugin["network"]["settings"]["net.inet.ip.check_interface"]).to eq("0")
+      expect(@plugin["network"]["settings"]["net.inet.ip.linklocal.in.allowbadttl"]).to eq("1")
+      expect(@plugin["network"]["settings"]["net.inet.ip.random_id"]).to eq("1")
+      expect(@plugin["network"]["settings"]["net.inet.ip.maxchainsent"]).to eq("0")
+      expect(@plugin["network"]["settings"]["net.inet.ip.select_srcif_debug"]).to eq("0")
+      expect(@plugin["network"]["settings"]["net.inet.icmp.maskrepl"]).to eq("0")
+      expect(@plugin["network"]["settings"]["net.inet.icmp.icmplim"]).to eq("250")
+      expect(@plugin["network"]["settings"]["net.inet.icmp.timestamp"]).to eq("0")
+      expect(@plugin["network"]["settings"]["net.inet.icmp.drop_redirect"]).to eq("0")
+      expect(@plugin["network"]["settings"]["net.inet.icmp.log_redirect"]).to eq("0")
+      expect(@plugin["network"]["settings"]["net.inet.icmp.bmcastecho"]).to eq("1")
+      expect(@plugin["network"]["settings"]["net.inet.igmp.recvifkludge"]).to eq("1")
+      expect(@plugin["network"]["settings"]["net.inet.igmp.sendra"]).to eq("1")
+      expect(@plugin["network"]["settings"]["net.inet.igmp.sendlocal"]).to eq("1")
+      expect(@plugin["network"]["settings"]["net.inet.igmp.v1enable"]).to eq("1")
+      expect(@plugin["network"]["settings"]["net.inet.igmp.v2enable"]).to eq("1")
+      expect(@plugin["network"]["settings"]["net.inet.igmp.legacysupp"]).to eq("0")
+      expect(@plugin["network"]["settings"]["net.inet.igmp.default_version"]).to eq("3")
+      expect(@plugin["network"]["settings"]["net.inet.igmp.gsrdelay"]).to eq("10")
+      expect(@plugin["network"]["settings"]["net.inet.igmp.debug"]).to eq("0")
+      expect(@plugin["network"]["settings"]["net.inet.tcp.rfc1323"]).to eq("1")
+      expect(@plugin["network"]["settings"]["net.inet.tcp.rfc1644"]).to eq("0")
+      expect(@plugin["network"]["settings"]["net.inet.tcp.mssdflt"]).to eq("512")
+      expect(@plugin["network"]["settings"]["net.inet.tcp.keepidle"]).to eq("7200000")
+      expect(@plugin["network"]["settings"]["net.inet.tcp.keepintvl"]).to eq("75000")
+      expect(@plugin["network"]["settings"]["net.inet.tcp.sendspace"]).to eq("65536")
+      expect(@plugin["network"]["settings"]["net.inet.tcp.recvspace"]).to eq("65536")
+      expect(@plugin["network"]["settings"]["net.inet.tcp.keepinit"]).to eq("75000")
+      expect(@plugin["network"]["settings"]["net.inet.tcp.v6mssdflt"]).to eq("1024")
+      expect(@plugin["network"]["settings"]["net.inet.tcp.log_in_vain"]).to eq("0")
+      expect(@plugin["network"]["settings"]["net.inet.tcp.blackhole"]).to eq("0")
+      expect(@plugin["network"]["settings"]["net.inet.tcp.delayed_ack"]).to eq("3")
+      expect(@plugin["network"]["settings"]["net.inet.tcp.tcp_lq_overflow"]).to eq("1")
+      expect(@plugin["network"]["settings"]["net.inet.tcp.recvbg"]).to eq("0")
+      expect(@plugin["network"]["settings"]["net.inet.tcp.drop_synfin"]).to eq("1")
+      expect(@plugin["network"]["settings"]["net.inet.tcp.reass.maxsegments"]).to eq("3072")
+      expect(@plugin["network"]["settings"]["net.inet.tcp.reass.cursegments"]).to eq("0")
+      expect(@plugin["network"]["settings"]["net.inet.tcp.reass.overflows"]).to eq("0")
+      expect(@plugin["network"]["settings"]["net.inet.tcp.slowlink_wsize"]).to eq("8192")
+      expect(@plugin["network"]["settings"]["net.inet.tcp.maxseg_unacked"]).to eq("8")
+      expect(@plugin["network"]["settings"]["net.inet.tcp.rfc3465"]).to eq("1")
+      expect(@plugin["network"]["settings"]["net.inet.tcp.rfc3465_lim2"]).to eq("1")
+      expect(@plugin["network"]["settings"]["net.inet.tcp.rtt_samples_per_slot"]).to eq("20")
+      expect(@plugin["network"]["settings"]["net.inet.tcp.recv_allowed_iaj"]).to eq("5")
+      expect(@plugin["network"]["settings"]["net.inet.tcp.acc_iaj_high_thresh"]).to eq("100")
+      expect(@plugin["network"]["settings"]["net.inet.tcp.rexmt_thresh"]).to eq("2")
+      expect(@plugin["network"]["settings"]["net.inet.tcp.path_mtu_discovery"]).to eq("1")
+      expect(@plugin["network"]["settings"]["net.inet.tcp.slowstart_flightsize"]).to eq("1")
+      expect(@plugin["network"]["settings"]["net.inet.tcp.local_slowstart_flightsize"]).to eq("8")
+      expect(@plugin["network"]["settings"]["net.inet.tcp.tso"]).to eq("1")
+      expect(@plugin["network"]["settings"]["net.inet.tcp.ecn_initiate_out"]).to eq("0")
+      expect(@plugin["network"]["settings"]["net.inet.tcp.ecn_negotiate_in"]).to eq("0")
+      expect(@plugin["network"]["settings"]["net.inet.tcp.packetchain"]).to eq("50")
+      expect(@plugin["network"]["settings"]["net.inet.tcp.socket_unlocked_on_output"]).to eq("1")
+      expect(@plugin["network"]["settings"]["net.inet.tcp.rfc3390"]).to eq("1")
+      expect(@plugin["network"]["settings"]["net.inet.tcp.min_iaj_win"]).to eq("4")
+      expect(@plugin["network"]["settings"]["net.inet.tcp.acc_iaj_react_limit"]).to eq("200")
+      expect(@plugin["network"]["settings"]["net.inet.tcp.sack"]).to eq("1")
+      expect(@plugin["network"]["settings"]["net.inet.tcp.sack_maxholes"]).to eq("128")
+      expect(@plugin["network"]["settings"]["net.inet.tcp.sack_globalmaxholes"]).to eq("65536")
+      expect(@plugin["network"]["settings"]["net.inet.tcp.sack_globalholes"]).to eq("0")
+      expect(@plugin["network"]["settings"]["net.inet.tcp.minmss"]).to eq("216")
+      expect(@plugin["network"]["settings"]["net.inet.tcp.minmssoverload"]).to eq("0")
+      expect(@plugin["network"]["settings"]["net.inet.tcp.do_tcpdrain"]).to eq("0")
+      expect(@plugin["network"]["settings"]["net.inet.tcp.pcbcount"]).to eq("86")
+      expect(@plugin["network"]["settings"]["net.inet.tcp.icmp_may_rst"]).to eq("1")
+      expect(@plugin["network"]["settings"]["net.inet.tcp.strict_rfc1948"]).to eq("0")
+      expect(@plugin["network"]["settings"]["net.inet.tcp.isn_reseed_interval"]).to eq("0")
+      expect(@plugin["network"]["settings"]["net.inet.tcp.background_io_enabled"]).to eq("1")
+      expect(@plugin["network"]["settings"]["net.inet.tcp.rtt_min"]).to eq("100")
+      expect(@plugin["network"]["settings"]["net.inet.tcp.rexmt_slop"]).to eq("200")
+      expect(@plugin["network"]["settings"]["net.inet.tcp.randomize_ports"]).to eq("0")
+      expect(@plugin["network"]["settings"]["net.inet.tcp.newreno_sockets"]).to eq("81")
+      expect(@plugin["network"]["settings"]["net.inet.tcp.background_sockets"]).to eq("-1")
+      expect(@plugin["network"]["settings"]["net.inet.tcp.tcbhashsize"]).to eq("4096")
+      expect(@plugin["network"]["settings"]["net.inet.tcp.background_io_trigger"]).to eq("5")
+      expect(@plugin["network"]["settings"]["net.inet.tcp.msl"]).to eq("15000")
+      expect(@plugin["network"]["settings"]["net.inet.tcp.max_persist_timeout"]).to eq("0")
+      expect(@plugin["network"]["settings"]["net.inet.tcp.always_keepalive"]).to eq("0")
+      expect(@plugin["network"]["settings"]["net.inet.tcp.timer_fastmode_idlemax"]).to eq("20")
+      expect(@plugin["network"]["settings"]["net.inet.tcp.broken_peer_syn_rxmit_thres"]).to eq("7")
+      expect(@plugin["network"]["settings"]["net.inet.tcp.tcp_timer_advanced"]).to eq("5")
+      expect(@plugin["network"]["settings"]["net.inet.tcp.tcp_resched_timerlist"]).to eq("12209")
+      expect(@plugin["network"]["settings"]["net.inet.tcp.pmtud_blackhole_detection"]).to eq("1")
+      expect(@plugin["network"]["settings"]["net.inet.tcp.pmtud_blackhole_mss"]).to eq("1200")
+      expect(@plugin["network"]["settings"]["net.inet.tcp.timer_fastquantum"]).to eq("100")
+      expect(@plugin["network"]["settings"]["net.inet.tcp.timer_slowquantum"]).to eq("500")
+      expect(@plugin["network"]["settings"]["net.inet.tcp.win_scale_factor"]).to eq("3")
+      expect(@plugin["network"]["settings"]["net.inet.tcp.sockthreshold"]).to eq("64")
+      expect(@plugin["network"]["settings"]["net.inet.tcp.bg_target_qdelay"]).to eq("100")
+      expect(@plugin["network"]["settings"]["net.inet.tcp.bg_allowed_increase"]).to eq("2")
+      expect(@plugin["network"]["settings"]["net.inet.tcp.bg_tether_shift"]).to eq("1")
+      expect(@plugin["network"]["settings"]["net.inet.tcp.bg_ss_fltsz"]).to eq("2")
+      expect(@plugin["network"]["settings"]["net.inet.udp.checksum"]).to eq("1")
+      expect(@plugin["network"]["settings"]["net.inet.udp.maxdgram"]).to eq("9216")
+      expect(@plugin["network"]["settings"]["net.inet.udp.recvspace"]).to eq("42080")
+      expect(@plugin["network"]["settings"]["net.inet.udp.log_in_vain"]).to eq("0")
+      expect(@plugin["network"]["settings"]["net.inet.udp.blackhole"]).to eq("0")
+      expect(@plugin["network"]["settings"]["net.inet.udp.pcbcount"]).to eq("72")
+      expect(@plugin["network"]["settings"]["net.inet.udp.randomize_ports"]).to eq("1")
+      expect(@plugin["network"]["settings"]["net.inet.ipsec.def_policy"]).to eq("1")
+      expect(@plugin["network"]["settings"]["net.inet.ipsec.esp_trans_deflev"]).to eq("1")
+      expect(@plugin["network"]["settings"]["net.inet.ipsec.esp_net_deflev"]).to eq("1")
+      expect(@plugin["network"]["settings"]["net.inet.ipsec.ah_trans_deflev"]).to eq("1")
+      expect(@plugin["network"]["settings"]["net.inet.ipsec.ah_net_deflev"]).to eq("1")
+      expect(@plugin["network"]["settings"]["net.inet.ipsec.ah_cleartos"]).to eq("1")
+      expect(@plugin["network"]["settings"]["net.inet.ipsec.ah_offsetmask"]).to eq("0")
+      expect(@plugin["network"]["settings"]["net.inet.ipsec.dfbit"]).to eq("0")
+      expect(@plugin["network"]["settings"]["net.inet.ipsec.ecn"]).to eq("0")
+      expect(@plugin["network"]["settings"]["net.inet.ipsec.debug"]).to eq("0")
+      expect(@plugin["network"]["settings"]["net.inet.ipsec.esp_randpad"]).to eq("-1")
+      expect(@plugin["network"]["settings"]["net.inet.ipsec.bypass"]).to eq("0")
+      expect(@plugin["network"]["settings"]["net.inet.ipsec.esp_port"]).to eq("4500")
+      expect(@plugin["network"]["settings"]["net.inet.raw.maxdgram"]).to eq("8192")
+      expect(@plugin["network"]["settings"]["net.inet.raw.recvspace"]).to eq("8192")
+      expect(@plugin["network"]["settings"]["net.link.generic.system.ifcount"]).to eq("10")
+      expect(@plugin["network"]["settings"]["net.link.generic.system.dlil_verbose"]).to eq("0")
+      expect(@plugin["network"]["settings"]["net.link.generic.system.multi_threaded_input"]).to eq("1")
+      expect(@plugin["network"]["settings"]["net.link.generic.system.dlil_input_sanity_check"]).to eq("0")
+      expect(@plugin["network"]["settings"]["net.link.ether.inet.prune_intvl"]).to eq("300")
+      expect(@plugin["network"]["settings"]["net.link.ether.inet.max_age"]).to eq("1200")
+      expect(@plugin["network"]["settings"]["net.link.ether.inet.host_down_time"]).to eq("20")
+      expect(@plugin["network"]["settings"]["net.link.ether.inet.apple_hwcksum_tx"]).to eq("1")
+      expect(@plugin["network"]["settings"]["net.link.ether.inet.apple_hwcksum_rx"]).to eq("1")
+      expect(@plugin["network"]["settings"]["net.link.ether.inet.arp_llreach_base"]).to eq("30")
+      expect(@plugin["network"]["settings"]["net.link.ether.inet.maxtries"]).to eq("5")
+      expect(@plugin["network"]["settings"]["net.link.ether.inet.useloopback"]).to eq("1")
+      expect(@plugin["network"]["settings"]["net.link.ether.inet.proxyall"]).to eq("0")
+      expect(@plugin["network"]["settings"]["net.link.ether.inet.sendllconflict"]).to eq("0")
+      expect(@plugin["network"]["settings"]["net.link.ether.inet.log_arp_warnings"]).to eq("0")
+      expect(@plugin["network"]["settings"]["net.link.ether.inet.keep_announcements"]).to eq("1")
+      expect(@plugin["network"]["settings"]["net.link.ether.inet.send_conflicting_probes"]).to eq("1")
+      expect(@plugin["network"]["settings"]["net.link.bridge.log_stp"]).to eq("0")
+      expect(@plugin["network"]["settings"]["net.link.bridge.debug"]).to eq("0")
+      expect(@plugin["network"]["settings"]["net.key.debug"]).to eq("0")
+      expect(@plugin["network"]["settings"]["net.key.spi_trycnt"]).to eq("1000")
+      expect(@plugin["network"]["settings"]["net.key.spi_minval"]).to eq("256")
+      expect(@plugin["network"]["settings"]["net.key.spi_maxval"]).to eq("268435455")
+      expect(@plugin["network"]["settings"]["net.key.int_random"]).to eq("60")
+      expect(@plugin["network"]["settings"]["net.key.larval_lifetime"]).to eq("30")
+      expect(@plugin["network"]["settings"]["net.key.blockacq_count"]).to eq("10")
+      expect(@plugin["network"]["settings"]["net.key.blockacq_lifetime"]).to eq("20")
+      expect(@plugin["network"]["settings"]["net.key.esp_keymin"]).to eq("256")
+      expect(@plugin["network"]["settings"]["net.key.esp_auth"]).to eq("0")
+      expect(@plugin["network"]["settings"]["net.key.ah_keymin"]).to eq("128")
+      expect(@plugin["network"]["settings"]["net.key.prefered_oldsa"]).to eq("0")
+      expect(@plugin["network"]["settings"]["net.key.natt_keepalive_interval"]).to eq("20")
+      expect(@plugin["network"]["settings"]["net.inet6.ip6.forwarding"]).to eq("0")
+      expect(@plugin["network"]["settings"]["net.inet6.ip6.redirect"]).to eq("1")
+      expect(@plugin["network"]["settings"]["net.inet6.ip6.hlim"]).to eq("64")
+      expect(@plugin["network"]["settings"]["net.inet6.ip6.maxfragpackets"]).to eq("1536")
+      expect(@plugin["network"]["settings"]["net.inet6.ip6.accept_rtadv"]).to eq("0")
+      expect(@plugin["network"]["settings"]["net.inet6.ip6.keepfaith"]).to eq("0")
+      expect(@plugin["network"]["settings"]["net.inet6.ip6.log_interval"]).to eq("5")
+      expect(@plugin["network"]["settings"]["net.inet6.ip6.hdrnestlimit"]).to eq("15")
+      expect(@plugin["network"]["settings"]["net.inet6.ip6.dad_count"]).to eq("1")
+      expect(@plugin["network"]["settings"]["net.inet6.ip6.auto_flowlabel"]).to eq("1")
+      expect(@plugin["network"]["settings"]["net.inet6.ip6.defmcasthlim"]).to eq("1")
+      expect(@plugin["network"]["settings"]["net.inet6.ip6.gifhlim"]).to eq("0")
+      expect(@plugin["network"]["settings"]["net.inet6.ip6.kame_version"]).to eq("2009/apple-darwin")
+      expect(@plugin["network"]["settings"]["net.inet6.ip6.use_deprecated"]).to eq("1")
+      expect(@plugin["network"]["settings"]["net.inet6.ip6.rr_prune"]).to eq("5")
+      expect(@plugin["network"]["settings"]["net.inet6.ip6.v6only"]).to eq("0")
+      expect(@plugin["network"]["settings"]["net.inet6.ip6.rtexpire"]).to eq("3600")
+      expect(@plugin["network"]["settings"]["net.inet6.ip6.rtminexpire"]).to eq("10")
+      expect(@plugin["network"]["settings"]["net.inet6.ip6.rtmaxcache"]).to eq("128")
+      expect(@plugin["network"]["settings"]["net.inet6.ip6.use_tempaddr"]).to eq("1")
+      expect(@plugin["network"]["settings"]["net.inet6.ip6.temppltime"]).to eq("86400")
+      expect(@plugin["network"]["settings"]["net.inet6.ip6.tempvltime"]).to eq("604800")
+      expect(@plugin["network"]["settings"]["net.inet6.ip6.auto_linklocal"]).to eq("1")
+      expect(@plugin["network"]["settings"]["net.inet6.ip6.prefer_tempaddr"]).to eq("1")
+      expect(@plugin["network"]["settings"]["net.inet6.ip6.use_defaultzone"]).to eq("0")
+      expect(@plugin["network"]["settings"]["net.inet6.ip6.maxfrags"]).to eq("12288")
+      expect(@plugin["network"]["settings"]["net.inet6.ip6.mcast_pmtu"]).to eq("0")
+      expect(@plugin["network"]["settings"]["net.inet6.ip6.neighborgcthresh"]).to eq("1024")
+      expect(@plugin["network"]["settings"]["net.inet6.ip6.maxifprefixes"]).to eq("16")
+      expect(@plugin["network"]["settings"]["net.inet6.ip6.maxifdefrouters"]).to eq("16")
+      expect(@plugin["network"]["settings"]["net.inet6.ip6.maxdynroutes"]).to eq("1024")
+      expect(@plugin["network"]["settings"]["net.inet6.ip6.fw.enable"]).to eq("1")
+      expect(@plugin["network"]["settings"]["net.inet6.ip6.fw.debug"]).to eq("0")
+      expect(@plugin["network"]["settings"]["net.inet6.ip6.fw.verbose"]).to eq("0")
+      expect(@plugin["network"]["settings"]["net.inet6.ip6.fw.verbose_limit"]).to eq("0")
+      expect(@plugin["network"]["settings"]["net.inet6.ip6.scopedroute"]).to eq("1")
+      expect(@plugin["network"]["settings"]["net.inet6.ip6.select_srcif_debug"]).to eq("0")
+      expect(@plugin["network"]["settings"]["net.inet6.ip6.mcast.maxgrpsrc"]).to eq("512")
+      expect(@plugin["network"]["settings"]["net.inet6.ip6.mcast.maxsocksrc"]).to eq("128")
+      expect(@plugin["network"]["settings"]["net.inet6.ip6.mcast.loop"]).to eq("1")
+      expect(@plugin["network"]["settings"]["net.inet6.ip6.only_allow_rfc4193_prefixes"]).to eq("0")
+      expect(@plugin["network"]["settings"]["net.inet6.ipsec6.def_policy"]).to eq("1")
+      expect(@plugin["network"]["settings"]["net.inet6.ipsec6.esp_trans_deflev"]).to eq("1")
+      expect(@plugin["network"]["settings"]["net.inet6.ipsec6.esp_net_deflev"]).to eq("1")
+      expect(@plugin["network"]["settings"]["net.inet6.ipsec6.ah_trans_deflev"]).to eq("1")
+      expect(@plugin["network"]["settings"]["net.inet6.ipsec6.ah_net_deflev"]).to eq("1")
+      expect(@plugin["network"]["settings"]["net.inet6.ipsec6.ecn"]).to eq("0")
+      expect(@plugin["network"]["settings"]["net.inet6.ipsec6.debug"]).to eq("0")
+      expect(@plugin["network"]["settings"]["net.inet6.ipsec6.esp_randpad"]).to eq("-1")
+      expect(@plugin["network"]["settings"]["net.inet6.icmp6.rediraccept"]).to eq("1")
+      expect(@plugin["network"]["settings"]["net.inet6.icmp6.redirtimeout"]).to eq("600")
+      expect(@plugin["network"]["settings"]["net.inet6.icmp6.nd6_prune"]).to eq("1")
+      expect(@plugin["network"]["settings"]["net.inet6.icmp6.nd6_delay"]).to eq("5")
+      expect(@plugin["network"]["settings"]["net.inet6.icmp6.nd6_umaxtries"]).to eq("3")
+      expect(@plugin["network"]["settings"]["net.inet6.icmp6.nd6_mmaxtries"]).to eq("3")
+      expect(@plugin["network"]["settings"]["net.inet6.icmp6.nd6_useloopback"]).to eq("1")
+      expect(@plugin["network"]["settings"]["net.inet6.icmp6.nodeinfo"]).to eq("3")
+      expect(@plugin["network"]["settings"]["net.inet6.icmp6.errppslimit"]).to eq("500")
+      expect(@plugin["network"]["settings"]["net.inet6.icmp6.nd6_maxnudhint"]).to eq("0")
+      expect(@plugin["network"]["settings"]["net.inet6.icmp6.nd6_debug"]).to eq("0")
+      expect(@plugin["network"]["settings"]["net.inet6.icmp6.nd6_accept_6to4"]).to eq("1")
+      expect(@plugin["network"]["settings"]["net.inet6.icmp6.nd6_onlink_ns_rfc4861"]).to eq("0")
+      expect(@plugin["network"]["settings"]["net.inet6.icmp6.nd6_llreach_base"]).to eq("30")
+      expect(@plugin["network"]["settings"]["net.inet6.mld.gsrdelay"]).to eq("10")
+      expect(@plugin["network"]["settings"]["net.inet6.mld.v1enable"]).to eq("1")
+      expect(@plugin["network"]["settings"]["net.inet6.mld.use_allow"]).to eq("1")
+      expect(@plugin["network"]["settings"]["net.inet6.mld.debug"]).to eq("0")
+      expect(@plugin["network"]["settings"]["net.idle.route.expire_timeout"]).to eq("30")
+      expect(@plugin["network"]["settings"]["net.idle.route.drain_interval"]).to eq("10")
+      expect(@plugin["network"]["settings"]["net.statistics"]).to eq("1")
+      expect(@plugin["network"]["settings"]["net.alf.loglevel"]).to eq("55")
+      expect(@plugin["network"]["settings"]["net.alf.perm"]).to eq("0")
+      expect(@plugin["network"]["settings"]["net.alf.defaultaction"]).to eq("1")
+      expect(@plugin["network"]["settings"]["net.alf.mqcount"]).to eq("0")
+      expect(@plugin["network"]["settings"]["net.smb.fs.version"]).to eq("107000")
+      expect(@plugin["network"]["settings"]["net.smb.fs.loglevel"]).to eq("0")
+      expect(@plugin["network"]["settings"]["net.smb.fs.kern_ntlmssp"]).to eq("0")
+      expect(@plugin["network"]["settings"]["net.smb.fs.kern_deprecatePreXPServers"]).to eq("1")
+      expect(@plugin["network"]["settings"]["net.smb.fs.kern_deadtimer"]).to eq("60")
+      expect(@plugin["network"]["settings"]["net.smb.fs.kern_hard_deadtimer"]).to eq("600")
+      expect(@plugin["network"]["settings"]["net.smb.fs.kern_soft_deadtimer"]).to eq("30")
+      expect(@plugin["network"]["settings"]["net.smb.fs.tcpsndbuf"]).to eq("261120")
+      expect(@plugin["network"]["settings"]["net.smb.fs.tcprcvbuf"]).to eq("261120")
     end
   end
 end
diff --git a/spec/unit/plugins/darwin/platform_spec.rb b/spec/unit/plugins/darwin/platform_spec.rb
index 6cc43558..53a8ff21 100644
--- a/spec/unit/plugins/darwin/platform_spec.rb
+++ b/spec/unit/plugins/darwin/platform_spec.rb
@@ -16,8 +16,7 @@
 # limitations under the License.
 #
 
-
-require File.expand_path(File.dirname(__FILE__) + '/../../../spec_helper.rb')
+require File.expand_path(File.dirname(__FILE__) + "/../../../spec_helper.rb")
 
 describe Ohai::System, "Darwin plugin platform" do
   before(:each) do
diff --git a/spec/unit/plugins/darwin/system_profiler_spec.rb b/spec/unit/plugins/darwin/system_profiler_spec.rb
index f108445d..98b6c845 100644
--- a/spec/unit/plugins/darwin/system_profiler_spec.rb
+++ b/spec/unit/plugins/darwin/system_profiler_spec.rb
@@ -16,11 +16,11 @@
 # limitations under the License.
 #
 
-require File.expand_path(File.dirname(__FILE__) + '/../../../spec_helper.rb')
+require File.expand_path(File.dirname(__FILE__) + "/../../../spec_helper.rb")
 require File.expand_path("#{File.dirname(__FILE__)}/system_profiler_output.rb")
 
 begin
-  require 'plist'
+  require "plist"
 rescue LoadError => e
   puts "The darwin systemprofile plugin spec tests will fail without the 'plist' library/gem.\n\n"
   raise e
@@ -42,6 +42,6 @@ describe Ohai::System, "Darwin system_profiler plugin", :unix_only do
     allow(@plugin).to receive(:shell_out).with(full_cmd).and_return(mock_shell_out(0, SystemProfilerOutput::Full, ""))
     allow(@plugin).to receive(:shell_out).with(mini_cmd).and_return(mock_shell_out(0, SystemProfilerOutput::Mini, ""))
     @plugin.run
-    expect(@plugin['system_profile'][18]["_items"][0]["serial_number"]).to eq('ABCDEFG12345')
+    expect(@plugin["system_profile"][18]["_items"][0]["serial_number"]).to eq("ABCDEFG12345")
   end
 end
diff --git a/spec/unit/plugins/darwin/virtualization_spec.rb b/spec/unit/plugins/darwin/virtualization_spec.rb
index 86487e9a..10021a72 100644
--- a/spec/unit/plugins/darwin/virtualization_spec.rb
+++ b/spec/unit/plugins/darwin/virtualization_spec.rb
@@ -16,10 +16,10 @@
 # limitations under the License.
 #
 
-require File.expand_path(File.dirname(__FILE__) + '/../../../spec_helper.rb')
+require File.expand_path(File.dirname(__FILE__) + "/../../../spec_helper.rb")
 
 describe Ohai::System, "Darwin virtualization platform" do
-  let(:plugin) { get_plugin("darwin/virtualization")}
+  let(:plugin) { get_plugin("darwin/virtualization") }
 
   before(:each) do
     allow(plugin).to receive(:collect_os).and_return(:darwin)
@@ -38,12 +38,12 @@ describe Ohai::System, "Darwin virtualization platform" do
     it "should not set parallels host if /usr/bin/prlctl not exist" do
       allow(plugin).to receive(:prlctl_exists?).and_return(false)
       plugin.run
-      expect(plugin[:virtualization]).to eq({'systems' => {}})
+      expect(plugin[:virtualization]).to eq({ "systems" => {} })
     end
 
     it "should set parallels guest if /usr/sbin/ioreg exists and it's output contains pci1ab8,4000" do
       allow(plugin).to receive(:ioreg_exists?).and_return(true)
-      ioreg=<<-IOREG
+      ioreg = <<-IOREG
     | |   +-o pci1ab8,4000@3  <class IOPCIDevice, id 0x1000001d1, registered, matched, active, busy 0 (40 ms), retain 9>
     | |   | | {
     | |   | |   "compatible" = <"pci1ab8,400","pci1ab8,4000","pciclass,ff0000">
@@ -77,7 +77,7 @@ describe Ohai::System, "Darwin virtualization platform" do
 
     it "should not set parallels guest if /usr/sbin/ioreg exists and it's output not contain pci1ab8,4000" do
       allow(plugin).to receive(:ioreg_exists?).and_return(true)
-      ioreg=<<-IOREG
+      ioreg = <<-IOREG
     | |   +-o pci8086,2445@1F,4  <class IOPCIDevice, id 0x1000001d4, registered, matched, active, busy 0 (974 ms), retain 11>
     | |     | {
     | |     |   "compatible" = <"pci1ab8,400","pci8086,2445","pciclass,040100">
@@ -103,7 +103,7 @@ describe Ohai::System, "Darwin virtualization platform" do
       allow(shellout).to receive(:stdout).and_return(ioreg)
       allow(plugin).to receive(:shell_out).with("ioreg -l").and_return(shellout)
       plugin.run
-      expect(plugin[:virtualization]).to eq({'systems' => {}})
+      expect(plugin[:virtualization]).to eq({ "systems" => {} })
     end
   end
 end
diff --git a/spec/unit/plugins/digital_ocean_spec.rb b/spec/unit/plugins/digital_ocean_spec.rb
index eb2742de..09b1f8c4 100644
--- a/spec/unit/plugins/digital_ocean_spec.rb
+++ b/spec/unit/plugins/digital_ocean_spec.rb
@@ -15,13 +15,13 @@
 # limitations under the License.
 #
 
-require 'ipaddress'
-require 'spec_helper'
+require "ipaddress"
+require "spec_helper"
 
 describe Ohai::System, "plugin digital_ocean" do
-  let(:hint_path_nix) { '/etc/chef/ohai/hints/digital_ocean.json' }
+  let(:hint_path_nix) { "/etc/chef/ohai/hints/digital_ocean.json" }
   let(:hint_path_win) { 'C:\chef\ohai\hints/digital_ocean.json' }
-  let(:digitalocean_path) { '/etc/digitalocean' }
+  let(:digitalocean_path) { "/etc/digitalocean" }
   let(:hint) {
     '{
       "droplet_id": 12345678,
@@ -39,13 +39,13 @@ describe Ohai::System, "plugin digital_ocean" do
   before do
     @plugin = get_plugin("digital_ocean")
     @plugin[:network] = {
-      "interfaces"=> {
-        "eth0"=> {
-          "addresses"=> {
-            "1.2.3.4"=> {
-              "netmask"=> "255.255.255.0"
+      "interfaces" => {
+        "eth0" => {
+          "addresses" => {
+            "1.2.3.4" => {
+              "netmask" => "255.255.255.0"
             },
-            "2400:6180:0000:00d0:0000:0000:0009:7001"=> {}
+            "2400:6180:0000:00d0:0000:0000:0009:7001" => {},
           }
         }
       }
@@ -57,8 +57,7 @@ describe Ohai::System, "plugin digital_ocean" do
     allow(File).to receive(:read).with(hint_path_win).and_return(hint)
   end
 
-
-  shared_examples_for "!digital_ocean"  do
+  shared_examples_for "!digital_ocean" do
     before(:each) do
       @plugin.run
     end
@@ -74,12 +73,12 @@ describe Ohai::System, "plugin digital_ocean" do
     end
 
     it "pulls ip addresses from the network interfaces" do
-      expect(@plugin[:digital_ocean][:networks][:v4]).to eq([{"ip_address" => "1.2.3.4",
-                                                         "type" => "public",
-                                                         "netmask" => "255.255.255.0"}])
-      expect(@plugin[:digital_ocean][:networks][:v6]).to eq([{"ip_address"=>"2400:6180:0000:00d0:0000:0000:0009:7001",
-                                                          "type"=>"public",
-                                                          "cidr"=>128}])
+      expect(@plugin[:digital_ocean][:networks][:v4]).to eq([{ "ip_address" => "1.2.3.4",
+                                                               "type" => "public",
+                                                               "netmask" => "255.255.255.0" }])
+      expect(@plugin[:digital_ocean][:networks][:v6]).to eq([{ "ip_address" => "2400:6180:0000:00d0:0000:0000:0009:7001",
+                                                               "type" => "public",
+                                                               "cidr" => 128 }])
     end
   end
 
@@ -112,7 +111,7 @@ describe Ohai::System, "plugin digital_ocean" do
       expect(@plugin[:digital_ocean][:region_id]).to eq(4)
     end
 
-    include_examples 'digital_ocean_networking'
+    include_examples "digital_ocean_networking"
   end
 
   describe "with digital_ocean hint file" do
@@ -128,11 +127,11 @@ describe Ohai::System, "plugin digital_ocean" do
     context "with private networking enabled" do
       before do
         @plugin[:network][:interfaces][:eth1] = {
-          "addresses"=> {
+          "addresses" => {
             "10.128.142.89" => {
               "netmask" => "255.255.255.0"
             },
-            "fdf8:f53b:82e4:0000:0000:0000:0000:0053" => {}
+            "fdf8:f53b:82e4:0000:0000:0000:0000:0053" => {},
           }
         }
 
@@ -140,18 +139,18 @@ describe Ohai::System, "plugin digital_ocean" do
       end
 
       it "should extract the private networking ips" do
-        expect(@plugin[:digital_ocean][:networks][:v4]).to eq([{"ip_address" => "1.2.3.4",
-                                                            "type" => "public",
-                                                            "netmask" => "255.255.255.0"},
-                                                            {"ip_address" => "10.128.142.89",
-                                                            "type" => "private",
-                                                            "netmask" => "255.255.255.0"}])
-        expect(@plugin[:digital_ocean][:networks][:v6]).to eq([{"ip_address"=>"2400:6180:0000:00d0:0000:0000:0009:7001",
-                                                            "type"=>"public",
-                                                            "cidr"=>128},
-                                                           {"ip_address"=>"fdf8:f53b:82e4:0000:0000:0000:0000:0053",
-                                                            "type"=>"private",
-                                                            "cidr"=>128}])
+        expect(@plugin[:digital_ocean][:networks][:v4]).to eq([{ "ip_address" => "1.2.3.4",
+                                                                 "type" => "public",
+                                                                 "netmask" => "255.255.255.0" },
+                                                            { "ip_address" => "10.128.142.89",
+                                                              "type" => "private",
+                                                              "netmask" => "255.255.255.0" }])
+        expect(@plugin[:digital_ocean][:networks][:v6]).to eq([{ "ip_address" => "2400:6180:0000:00d0:0000:0000:0009:7001",
+                                                                 "type" => "public",
+                                                                 "cidr" => 128 },
+                                                           { "ip_address" => "fdf8:f53b:82e4:0000:0000:0000:0000:0053",
+                                                             "type" => "private",
+                                                             "cidr" => 128 }])
       end
     end
   end
@@ -162,7 +161,6 @@ describe Ohai::System, "plugin digital_ocean" do
       allow(File).to receive(:exist?).with(hint_path_win).and_return(false)
     end
 
-
     describe "with the /etc/digitalocean file" do
       before do
         allow(File).to receive(:exist?).with(digitalocean_path).and_return(true)
@@ -180,7 +178,7 @@ describe Ohai::System, "plugin digital_ocean" do
   end
 
   context "with ec2 hint file" do
-    let(:ec2_hint_path_nix) { '/etc/chef/ohai/hints/ec2.json' }
+    let(:ec2_hint_path_nix) { "/etc/chef/ohai/hints/ec2.json" }
     let(:ec2_hint_path_win) { 'C:\chef\ohai\hints/ec2.json' }
 
     before do
@@ -188,9 +186,9 @@ describe Ohai::System, "plugin digital_ocean" do
       allow(File).to receive(:exist?).with(hint_path_win).and_return(false)
 
       allow(File).to receive(:exist?).with(ec2_hint_path_nix).and_return(true)
-      allow(File).to receive(:read).with(ec2_hint_path_nix).and_return('')
+      allow(File).to receive(:read).with(ec2_hint_path_nix).and_return("")
       allow(File).to receive(:exist?).with(ec2_hint_path_win).and_return(true)
-      allow(File).to receive(:read).with(ec2_hint_path_win).and_return('')
+      allow(File).to receive(:read).with(ec2_hint_path_win).and_return("")
     end
 
     describe "with the /etc/digitalocean file" do
diff --git a/spec/unit/plugins/ec2_spec.rb b/spec/unit/plugins/ec2_spec.rb
index 4c971509..18a08ee9 100644
--- a/spec/unit/plugins/ec2_spec.rb
+++ b/spec/unit/plugins/ec2_spec.rb
@@ -17,17 +17,17 @@
 # limitations under the License.
 #
 
-require File.expand_path(File.dirname(__FILE__) + '/../../spec_helper.rb')
-require 'open-uri'
-require 'base64'
+require File.expand_path(File.dirname(__FILE__) + "/../../spec_helper.rb")
+require "open-uri"
+require "base64"
 
 describe Ohai::System, "plugin ec2" do
   before(:each) do
     @plugin = get_plugin("ec2")
-    @plugin[:network] = {:interfaces => {:eth0 => {} } }
-    allow(File).to receive(:exist?).with('/etc/chef/ohai/hints/ec2.json').and_return(false)
+    @plugin[:network] = { :interfaces => { :eth0 => {} } }
+    allow(File).to receive(:exist?).with("/etc/chef/ohai/hints/ec2.json").and_return(false)
     allow(File).to receive(:exist?).with('C:\chef\ohai\hints/ec2.json').and_return(false)
-    allow(File).to receive(:exist?).with('/usr/bin/ec2metadata').and_return(false)
+    allow(File).to receive(:exist?).with("/usr/bin/ec2metadata").and_return(false)
   end
 
   shared_examples_for "!ec2" do
@@ -42,7 +42,7 @@ describe Ohai::System, "plugin ec2" do
     before(:each) do
       @http_client = double("Net::HTTP client")
       allow(@plugin).to receive(:http_client).and_return(@http_client)
-      allow(IO).to receive(:select).and_return([[],[1],[]])
+      allow(IO).to receive(:select).and_return([[], [1], []])
       t = double("connection")
       allow(t).to receive(:connect_nonblock).and_raise(Errno::EINPROGRESS)
       allow(Socket).to receive(:new).and_return(t)
@@ -56,12 +56,12 @@ describe Ohai::System, "plugin ec2" do
         { "meta-data/" => "instance_type\nami_id\nsecurity-groups",
           "meta-data/instance_type" => "c1.medium",
           "meta-data/ami_id" => "ami-5d2dc934",
-          "meta-data/security-groups" => "group1\ngroup2"
+          "meta-data/security-groups" => "group1\ngroup2",
         }
       end
 
       it "recursively fetches all the ec2 metadata" do
-        paths.each do |name,body|
+        paths.each do |name, body|
           expect(@http_client).to receive(:get).
             with("/2012-01-12/#{name}").
             and_return(double("Net::HTTP Response", :body => body, :code => "200"))
@@ -73,13 +73,13 @@ describe Ohai::System, "plugin ec2" do
         @plugin.run
 
         expect(@plugin[:ec2]).not_to be_nil
-        expect(@plugin[:ec2]['instance_type']).to eq("c1.medium")
-        expect(@plugin[:ec2]['ami_id']).to eq("ami-5d2dc934")
-        expect(@plugin[:ec2]['security_groups']).to eql ['group1', 'group2']
+        expect(@plugin[:ec2]["instance_type"]).to eq("c1.medium")
+        expect(@plugin[:ec2]["ami_id"]).to eq("ami-5d2dc934")
+        expect(@plugin[:ec2]["security_groups"]).to eql %w{group1 group2}
       end
 
       it "fetches binary userdata opaquely" do
-        paths.each do |name,body|
+        paths.each do |name, body|
           expect(@http_client).to receive(:get).
             with("/2012-01-12/#{name}").
             and_return(double("Net::HTTP Response", :body => body, :code => "200"))
@@ -91,10 +91,10 @@ describe Ohai::System, "plugin ec2" do
         @plugin.run
 
         expect(@plugin[:ec2]).not_to be_nil
-        expect(@plugin[:ec2]['instance_type']).to eq("c1.medium")
-        expect(@plugin[:ec2]['ami_id']).to eq("ami-5d2dc934")
-        expect(@plugin[:ec2]['security_groups']).to eql ['group1', 'group2']
-        expect(@plugin[:ec2]['userdata']).to eq(Base64.decode64("Xl88OEI+XkheSDxDNz5VXkBeQ3NvbWV0aGluZ15AS1Q8Qzg+PEM5PiwpPEM5\nPklVKEktLkk8Q0I+PENDPkk8RTU+XkJeQF5RejxCRj48QjA+XlJeQF5AXkA="))
+        expect(@plugin[:ec2]["instance_type"]).to eq("c1.medium")
+        expect(@plugin[:ec2]["ami_id"]).to eq("ami-5d2dc934")
+        expect(@plugin[:ec2]["security_groups"]).to eql %w{group1 group2}
+        expect(@plugin[:ec2]["userdata"]).to eq(Base64.decode64("Xl88OEI+XkheSDxDNz5VXkBeQ3NvbWV0aGluZ15AS1Q8Qzg+PEM5PiwpPEM5\nPklVKEktLkk8Q0I+PENDPkk8RTU+XkJeQF5RejxCRj48QjA+XlJeQF5AXkA="))
       end
     end
 
@@ -124,17 +124,17 @@ describe Ohai::System, "plugin ec2" do
       @plugin.run
 
       expect(@plugin[:ec2]).not_to be_nil
-      expect(@plugin[:ec2]['network_interfaces_macs']['12:34:56:78:9a:bc']['public_hostname']).to eql('server17.opscode.com')
+      expect(@plugin[:ec2]["network_interfaces_macs"]["12:34:56:78:9a:bc"]["public_hostname"]).to eql("server17.opscode.com")
     end # context with common metadata paths
 
     context "with ec2_iam hint file" do
       before do
         if windows?
           allow(File).to receive(:exist?).with('C:\chef\ohai\hints/iam.json').and_return(true)
-          allow(File).to receive(:read).with('C:\chef\ohai\hints/iam.json').and_return('')
+          allow(File).to receive(:read).with('C:\chef\ohai\hints/iam.json').and_return("")
         else
-          allow(File).to receive(:exist?).with('/etc/chef/ohai/hints/iam.json').and_return(true)
-          allow(File).to receive(:read).with('/etc/chef/ohai/hints/iam.json').and_return('')
+          allow(File).to receive(:exist?).with("/etc/chef/ohai/hints/iam.json").and_return(true)
+          allow(File).to receive(:read).with("/etc/chef/ohai/hints/iam.json").and_return("")
         end
       end
 
@@ -158,8 +158,8 @@ describe Ohai::System, "plugin ec2" do
         @plugin.run
 
         expect(@plugin[:ec2]).not_to be_nil
-        expect(@plugin[:ec2]['iam']['security-credentials']['MyRole']['Code']).to eql 'Success'
-        expect(@plugin[:ec2]['iam']['security-credentials']['MyRole']['Token']).to eql '12345678'
+        expect(@plugin[:ec2]["iam"]["security-credentials"]["MyRole"]["Code"]).to eql "Success"
+        expect(@plugin[:ec2]["iam"]["security-credentials"]["MyRole"]["Token"]).to eql "12345678"
       end
     end
 
@@ -168,7 +168,7 @@ describe Ohai::System, "plugin ec2" do
         if windows?
           allow(File).to receive(:exist?).with('C:\chef\ohai\hints/iam.json').and_return(false)
         else
-          allow(File).to receive(:exist?).with('/etc/chef/ohai/hints/iam.json').and_return(false)
+          allow(File).to receive(:exist?).with("/etc/chef/ohai/hints/iam.json").and_return(false)
         end
       end
 
@@ -192,7 +192,7 @@ describe Ohai::System, "plugin ec2" do
         @plugin.run
 
         expect(@plugin[:ec2]).not_to be_nil
-        expect(@plugin[:ec2]['iam']).to be_nil
+        expect(@plugin[:ec2]["iam"]).to be_nil
       end
     end
 
@@ -250,15 +250,15 @@ describe Ohai::System, "plugin ec2" do
       @plugin.run
 
       expect(@plugin[:ec2]).not_to be_nil
-      expect(@plugin[:ec2]['metrics']).to be_nil
-      expect(@plugin[:ec2]['metrics_vhostmd']).to be_nil
+      expect(@plugin[:ec2]["metrics"]).to be_nil
+      expect(@plugin[:ec2]["metrics_vhostmd"]).to be_nil
     end
   end # shared examples for ec2
 
   describe "without dmi or ec2metadata binary, with xen mac, and metadata address connected" do
     before(:each) do
-      allow(IO).to receive(:select).and_return([[],[1],[]])
-      @plugin[:network][:interfaces][:eth0][:arp] = {"169.254.1.0"=>"fe:ff:ff:ff:ff:ff"}
+      allow(IO).to receive(:select).and_return([[], [1], []])
+      @plugin[:network][:interfaces][:eth0][:arp] = { "169.254.1.0" => "fe:ff:ff:ff:ff:ff" }
     end
 
     it_should_behave_like "ec2"
@@ -273,7 +273,7 @@ describe Ohai::System, "plugin ec2" do
     it_should_behave_like "ec2"
 
     before(:each) do
-      allow(File).to receive(:exist?).with('/usr/bin/ec2metadata').and_return(true)
+      allow(File).to receive(:exist?).with("/usr/bin/ec2metadata").and_return(true)
     end
   end
 
@@ -281,7 +281,7 @@ describe Ohai::System, "plugin ec2" do
     it_should_behave_like "ec2"
 
     before(:each) do
-      @plugin[:dmi] = { :bios => { :all_records => [  { :Version => "4.2.amazon" } ] } }
+      @plugin[:dmi] = { :bios => { :all_records => [ { :Version => "4.2.amazon" } ] } }
     end
   end
 
@@ -291,10 +291,10 @@ describe Ohai::System, "plugin ec2" do
     before(:each) do
       if windows?
         expect(File).to receive(:exist?).with('C:\chef\ohai\hints/ec2.json').and_return(true)
-        allow(File).to receive(:read).with('C:\chef\ohai\hints/ec2.json').and_return('')
+        allow(File).to receive(:read).with('C:\chef\ohai\hints/ec2.json').and_return("")
       else
-        expect(File).to receive(:exist?).with('/etc/chef/ohai/hints/ec2.json').and_return(true)
-        allow(File).to receive(:read).with('/etc/chef/ohai/hints/ec2.json').and_return('')
+        expect(File).to receive(:exist?).with("/etc/chef/ohai/hints/ec2.json").and_return(true)
+        allow(File).to receive(:read).with("/etc/chef/ohai/hints/ec2.json").and_return("")
       end
     end
   end
@@ -303,10 +303,10 @@ describe Ohai::System, "plugin ec2" do
     it_should_behave_like "!ec2"
 
     before(:each) do
-      allow(File).to receive(:exist?).with('/etc/chef/ohai/hints/rackspace.json').and_return(true)
-      allow(File).to receive(:read).with('/etc/chef/ohai/hints/rackspace.json').and_return('')
+      allow(File).to receive(:exist?).with("/etc/chef/ohai/hints/rackspace.json").and_return(true)
+      allow(File).to receive(:read).with("/etc/chef/ohai/hints/rackspace.json").and_return("")
       allow(File).to receive(:exist?).with('C:\chef\ohai\hints/rackspace.json').and_return(true)
-      allow(File).to receive(:read).with('C:\chef\ohai\hints/rackspace.json').and_return('')
+      allow(File).to receive(:read).with('C:\chef\ohai\hints/rackspace.json').and_return("")
     end
   end
 
@@ -314,11 +314,11 @@ describe Ohai::System, "plugin ec2" do
     it_should_behave_like "!ec2"
 
     before(:each) do
-      allow(File).to receive(:exist?).with('/etc/chef/ohai/hints/ec2.json').and_return(false)
+      allow(File).to receive(:exist?).with("/etc/chef/ohai/hints/ec2.json").and_return(false)
       allow(File).to receive(:exist?).with('C:\chef\ohai\hints/ec2.json').and_return(false)
-      allow(File).to receive(:exist?).with('/usr/bin/ec2metadata').and_return(false)
+      allow(File).to receive(:exist?).with("/usr/bin/ec2metadata").and_return(false)
       @plugin[:dmi] = nil
-      @plugin[:network][:interfaces][:eth0][:arp] = {"169.254.1.0"=>"00:50:56:c0:00:08"}
+      @plugin[:network][:interfaces][:eth0][:arp] = { "169.254.1.0" => "00:50:56:c0:00:08" }
     end
   end
 
diff --git a/spec/unit/plugins/elixir_spec.rb b/spec/unit/plugins/elixir_spec.rb
index 3888e03d..a82c8179 100644
--- a/spec/unit/plugins/elixir_spec.rb
+++ b/spec/unit/plugins/elixir_spec.rb
@@ -14,7 +14,7 @@
 # limitations under the License.
 #
 
-require File.expand_path(File.join(File.dirname(__FILE__), '..', '..', '/spec_helper.rb'))
+require File.expand_path(File.join(File.dirname(__FILE__), "..", "..", "/spec_helper.rb"))
 
 describe Ohai::System, "plugin elixir" do
 
@@ -43,4 +43,3 @@ describe Ohai::System, "plugin elixir" do
   end
 
 end
-
diff --git a/spec/unit/plugins/erlang_spec.rb b/spec/unit/plugins/erlang_spec.rb
index cdcd199a..cdb0a340 100644
--- a/spec/unit/plugins/erlang_spec.rb
+++ b/spec/unit/plugins/erlang_spec.rb
@@ -17,7 +17,7 @@
 # limitations under the License.
 #
 
-require File.expand_path(File.dirname(__FILE__) + '/../../spec_helper.rb')
+require File.expand_path(File.dirname(__FILE__) + "/../../spec_helper.rb")
 
 describe Ohai::System, "plugin erlang" do
 
@@ -40,7 +40,7 @@ describe Ohai::System, "plugin erlang" do
 
   it "should set languages[:erlang][:options]" do
     @plugin.run
-    expect(@plugin.languages[:erlang][:options]).to eql(["ASYNC_THREADS", "SMP", "HIPE"])
+    expect(@plugin.languages[:erlang][:options]).to eql(%w{ASYNC_THREADS SMP HIPE})
   end
 
   it "should set languages[:erlang][:emulator]" do
diff --git a/spec/unit/plugins/eucalyptus_spec.rb b/spec/unit/plugins/eucalyptus_spec.rb
index ee964bf1..89a877d3 100644
--- a/spec/unit/plugins/eucalyptus_spec.rb
+++ b/spec/unit/plugins/eucalyptus_spec.rb
@@ -17,8 +17,8 @@
 # limitations under the License.
 #
 
-require File.expand_path(File.dirname(__FILE__) + '/../../spec_helper.rb')
-require 'open-uri'
+require File.expand_path(File.dirname(__FILE__) + "/../../spec_helper.rb")
+require "open-uri"
 
 describe Ohai::System, "plugin eucalyptus" do
   before(:each) do
@@ -58,15 +58,15 @@ describe Ohai::System, "plugin eucalyptus" do
     end
 
     it "should recursively fetch all the eucalyptus metadata" do
-      allow(IO).to receive(:select).and_return([[],[1],[]])
+      allow(IO).to receive(:select).and_return([[], [1], []])
       t = double("connection")
       allow(t).to receive(:connect_nonblock).and_raise(Errno::EINPROGRESS)
       allow(Socket).to receive(:new).and_return(t)
       @plugin.run
       expect(@plugin[:eucalyptus]).not_to be_nil
-      expect(@plugin[:eucalyptus]['instance_type']).to eq("c1.medium")
-      expect(@plugin[:eucalyptus]['ami_id']).to eq("ami-5d2dc934")
-      expect(@plugin[:eucalyptus]['security_groups']).to eql ['group1', 'group2']
+      expect(@plugin[:eucalyptus]["instance_type"]).to eq("c1.medium")
+      expect(@plugin[:eucalyptus]["ami_id"]).to eq("ami-5d2dc934")
+      expect(@plugin[:eucalyptus]["security_groups"]).to eql %w{group1 group2}
     end
   end
 
@@ -74,8 +74,8 @@ describe Ohai::System, "plugin eucalyptus" do
     it_should_behave_like "eucalyptus"
 
     before(:each) do
-      allow(IO).to receive(:select).and_return([[],[1],[]])
-      @plugin[:network] = { "interfaces" => { "eth0" => { "addresses" => { "d0:0d:95:47:6E:ED"=> { "family" => "lladdr" } } } } }
+      allow(IO).to receive(:select).and_return([[], [1], []])
+      @plugin[:network] = { "interfaces" => { "eth0" => { "addresses" => { "d0:0d:95:47:6E:ED" => { "family" => "lladdr" } } } } }
     end
   end
 
@@ -83,7 +83,7 @@ describe Ohai::System, "plugin eucalyptus" do
     it_should_behave_like "!eucalyptus"
 
     before(:each) do
-      @plugin[:network] = { "interfaces" => { "eth0" => { "addresses" => { "ff:ff:95:47:6E:ED"=> { "family" => "lladdr" } } } } }
+      @plugin[:network] = { "interfaces" => { "eth0" => { "addresses" => { "ff:ff:95:47:6E:ED" => { "family" => "lladdr" } } } } }
     end
   end
 
@@ -91,10 +91,10 @@ describe Ohai::System, "plugin eucalyptus" do
     it_should_behave_like "eucalyptus"
 
     before(:each) do
-      allow(File).to receive(:exist?).with('/etc/chef/ohai/hints/eucalyptus.json').and_return(true)
-      allow(File).to receive(:read).with('/etc/chef/ohai/hints/eucalyptus.json').and_return('')
+      allow(File).to receive(:exist?).with("/etc/chef/ohai/hints/eucalyptus.json").and_return(true)
+      allow(File).to receive(:read).with("/etc/chef/ohai/hints/eucalyptus.json").and_return("")
       allow(File).to receive(:exist?).with('C:\chef\ohai\hints/eucalyptus.json').and_return(true)
-      allow(File).to receive(:read).with('C:\chef\ohai\hints/eucalyptus.json').and_return('')
+      allow(File).to receive(:read).with('C:\chef\ohai\hints/eucalyptus.json').and_return("")
     end
   end
 
@@ -102,8 +102,8 @@ describe Ohai::System, "plugin eucalyptus" do
     it_should_behave_like "!eucalyptus"
 
     before(:each) do
-      @plugin[:network] = {:interfaces => {}}
-      allow(File).to receive(:exist?).with('/etc/chef/ohai/hints/eucalyptus.json').and_return(false)
+      @plugin[:network] = { :interfaces => {} }
+      allow(File).to receive(:exist?).with("/etc/chef/ohai/hints/eucalyptus.json").and_return(false)
       allow(File).to receive(:exist?).with('C:\chef\ohai\hints/eucalyptus.json').and_return(false)
     end
   end
@@ -112,14 +112,14 @@ describe Ohai::System, "plugin eucalyptus" do
     it_should_behave_like "!eucalyptus"
 
     before(:each) do
-      @plugin[:network] = {:interfaces => {}}
+      @plugin[:network] = { :interfaces => {} }
 
-      allow(File).to receive(:exist?).with('/etc/chef/ohai/hints/eucalyptus.json').and_return(false)
+      allow(File).to receive(:exist?).with("/etc/chef/ohai/hints/eucalyptus.json").and_return(false)
       allow(File).to receive(:exist?).with('C:\chef\ohai\hints/eucalyptus.json').and_return(false)
       allow(File).to receive(:exist?).with('C:\chef\ohai\hints/ec2.json').and_return(true)
-      allow(File).to receive(:exist?).with('/etc/chef/ohai/hints/ec2.json').and_return(true)
-      allow(File).to receive(:read).with('/etc/chef/ohai/hints/ec2.json').and_return('')
-      allow(File).to receive(:read).with('C:\chef\ohai\hints/ec2.json').and_return('')
+      allow(File).to receive(:exist?).with("/etc/chef/ohai/hints/ec2.json").and_return(true)
+      allow(File).to receive(:read).with("/etc/chef/ohai/hints/ec2.json").and_return("")
+      allow(File).to receive(:read).with('C:\chef\ohai\hints/ec2.json').and_return("")
     end
   end
 
diff --git a/spec/unit/plugins/fail_spec.rb b/spec/unit/plugins/fail_spec.rb
index 19bfa71c..763dc266 100644
--- a/spec/unit/plugins/fail_spec.rb
+++ b/spec/unit/plugins/fail_spec.rb
@@ -17,9 +17,9 @@
 # limitations under the License.
 #
 
-require File.expand_path(File.join(File.dirname(__FILE__), '..', '..', '/spec_helper.rb'))
+require File.expand_path(File.join(File.dirname(__FILE__), "..", "..", "/spec_helper.rb"))
 
-tmp = ENV['TMPDIR'] || ENV['TMP'] || ENV['TEMP'] || '/tmp'
+tmp = ENV["TMPDIR"] || ENV["TMP"] || ENV["TEMP"] || "/tmp"
 
 shared_examples "a v7 loading failure" do
   before(:all) do
diff --git a/spec/unit/plugins/freebsd/cpu_spec.rb b/spec/unit/plugins/freebsd/cpu_spec.rb
index a895b395..1dbbf3a6 100644
--- a/spec/unit/plugins/freebsd/cpu_spec.rb
+++ b/spec/unit/plugins/freebsd/cpu_spec.rb
@@ -16,7 +16,7 @@
 # limitations under the License.
 #
 
-require File.expand_path(File.dirname(__FILE__) + '/../../../spec_helper.rb')
+require File.expand_path(File.dirname(__FILE__) + "/../../../spec_helper.rb")
 
 describe Ohai::System, "FreeBSD cpu plugin on FreeBSD >=10.2" do
   before(:each) do
@@ -24,20 +24,20 @@ describe Ohai::System, "FreeBSD cpu plugin on FreeBSD >=10.2" do
     allow(@plugin).to receive(:collect_os).and_return(:freebsd)
     @double_file = double("/var/run/dmesg.boot")
     allow(@double_file).to receive(:each).
-      and_yield('CPU: Intel(R) Core(TM) i7-4980HQ CPU @ 2.80GHz (2793.59-MHz K8-class CPU)').
+      and_yield("CPU: Intel(R) Core(TM) i7-4980HQ CPU @ 2.80GHz (2793.59-MHz K8-class CPU)").
       and_yield('  Origin="GenuineIntel"  Id=0x40661  Family=0x6  Model=0x46  Stepping=1').
-      and_yield('  Features=0x783fbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,MMX,FXSR,SSE,SSE2>').
-      and_yield('  Features2=0x5ed8220b<SSE3,PCLMULQDQ,MON,SSSE3,CX16,SSE4.1,SSE4.2,MOVBE,POPCNT,AESNI,XSAVE,OSXSAVE,AVX,RDRAND>').
-      and_yield('  AMD Features=0x28100800<SYSCALL,NX,RDTSCP,LM>').
-      and_yield('  AMD Features2=0x21<LAHF,ABM>').
-      and_yield('  Structured Extended Features=0x2000<NFPUSG>').
-      and_yield('  TSC: P-state invariant').
-      and_yield('real memory  = 1073676288 (1023 MB)').
-      and_yield('avail memory = 1010253824 (963 MB)').
+      and_yield("  Features=0x783fbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,MMX,FXSR,SSE,SSE2>").
+      and_yield("  Features2=0x5ed8220b<SSE3,PCLMULQDQ,MON,SSSE3,CX16,SSE4.1,SSE4.2,MOVBE,POPCNT,AESNI,XSAVE,OSXSAVE,AVX,RDRAND>").
+      and_yield("  AMD Features=0x28100800<SYSCALL,NX,RDTSCP,LM>").
+      and_yield("  AMD Features2=0x21<LAHF,ABM>").
+      and_yield("  Structured Extended Features=0x2000<NFPUSG>").
+      and_yield("  TSC: P-state invariant").
+      and_yield("real memory  = 1073676288 (1023 MB)").
+      and_yield("avail memory = 1010253824 (963 MB)").
       and_yield('Event timer "LAPIC" quality 400').
-      and_yield('ACPI APIC Table: <VBOX   VBOXAPIC>').
-      and_yield('FreeBSD/SMP: Multiprocessor System Detected: 16 CPUs').
-      and_yield('FreeBSD/SMP: 2 package(s) x 4 core(s) x 2 SMT threads')
+      and_yield("ACPI APIC Table: <VBOX   VBOXAPIC>").
+      and_yield("FreeBSD/SMP: Multiprocessor System Detected: 16 CPUs").
+      and_yield("FreeBSD/SMP: 2 package(s) x 4 core(s) x 2 SMT threads")
     allow(File).to receive(:open).with("/var/run/dmesg.boot").and_return(@double_file)
   end
 
@@ -100,7 +100,7 @@ describe Ohai::System, "FreeBSD cpu plugin on FreeBSD <=10.1" do
     allow(@plugin).to receive(:shell_out).with("sysctl -n hw.ncpu").and_return(mock_shell_out(0, "2", ""))
     @double_file = double("/var/run/dmesg.boot")
     allow(@double_file).to receive(:each).
-      and_yield('CPU: Intel(R) Atom(TM) CPU N270   @ 1.60GHz (1596.03-MHz 686-class CPU)').
+      and_yield("CPU: Intel(R) Atom(TM) CPU N270   @ 1.60GHz (1596.03-MHz 686-class CPU)").
       and_yield('  Origin = "GenuineIntel"  Id = 0x106c2  Family = 0x6  Model = 0x1c  Stepping = 2')
     allow(File).to receive(:open).with("/var/run/dmesg.boot").and_return(@double_file)
   end
diff --git a/spec/unit/plugins/freebsd/hostname_spec.rb b/spec/unit/plugins/freebsd/hostname_spec.rb
index 9d4c4a00..a1279b20 100644
--- a/spec/unit/plugins/freebsd/hostname_spec.rb
+++ b/spec/unit/plugins/freebsd/hostname_spec.rb
@@ -16,8 +16,7 @@
 # limitations under the License.
 #
 
-
-require File.expand_path(File.dirname(__FILE__) + '/../../../spec_helper.rb')
+require File.expand_path(File.dirname(__FILE__) + "/../../../spec_helper.rb")
 
 describe Ohai::System, "FreeBSD hostname plugin" do
   before(:each) do
diff --git a/spec/unit/plugins/freebsd/kernel_spec.rb b/spec/unit/plugins/freebsd/kernel_spec.rb
index 2040b67f..d9baf8fc 100644
--- a/spec/unit/plugins/freebsd/kernel_spec.rb
+++ b/spec/unit/plugins/freebsd/kernel_spec.rb
@@ -16,14 +16,13 @@
 # limitations under the License.
 #
 
-
-require File.expand_path(File.dirname(__FILE__) + '/../../../spec_helper.rb')
+require File.expand_path(File.dirname(__FILE__) + "/../../../spec_helper.rb")
 
 describe Ohai::System, "FreeBSD kernel plugin" do
   before(:each) do
     @plugin = get_plugin("kernel")
     allow(@plugin).to receive(:collect_os).and_return(:freebsd)
-    allow(@plugin).to receive(:init_kernel).and_return({:name => "freebsd"})
+    allow(@plugin).to receive(:init_kernel).and_return({ :name => "freebsd" })
     allow(@plugin).to receive(:shell_out).with("uname -i").and_return(mock_shell_out(0, "foo\n", ""))
     allow(@plugin).to receive(:shell_out).with("sysctl kern.securelevel").and_return(mock_shell_out(0, "kern.securelevel: 1", ""))
     allow(@plugin).to receive(:shell_out).with( Ohai.abs_path( "/sbin/kldstat" )).and_return(mock_shell_out(0, "  1    7 0xc0400000 97f830   kernel", ""))
diff --git a/spec/unit/plugins/freebsd/os_spec.rb b/spec/unit/plugins/freebsd/os_spec.rb
index bbc9b6b8..dfb89996 100644
--- a/spec/unit/plugins/freebsd/os_spec.rb
+++ b/spec/unit/plugins/freebsd/os_spec.rb
@@ -6,9 +6,9 @@
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at
-# 
+#
 #     http://www.apache.org/licenses/LICENSE-2.0
-# 
+#
 # Unless required by applicable law or agreed to in writing, software
 # distributed under the License is distributed on an "AS IS" BASIS,
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
@@ -16,8 +16,7 @@
 # limitations under the License.
 #
 
-
-require File.expand_path(File.dirname(__FILE__) + '/../../../spec_helper.rb')
+require File.expand_path(File.dirname(__FILE__) + "/../../../spec_helper.rb")
 
 describe Ohai::System, "FreeBSD plugin os" do
   before(:each) do
@@ -30,4 +29,4 @@ describe Ohai::System, "FreeBSD plugin os" do
     @plugin.run
     expect(@plugin[:os_version]).to eq("902001")
   end
-end  
+end
diff --git a/spec/unit/plugins/freebsd/platform_spec.rb b/spec/unit/plugins/freebsd/platform_spec.rb
index 49a26a16..2ddcc4cd 100644
--- a/spec/unit/plugins/freebsd/platform_spec.rb
+++ b/spec/unit/plugins/freebsd/platform_spec.rb
@@ -16,8 +16,7 @@
 # limitations under the License.
 #
 
-
-require File.expand_path(File.dirname(__FILE__) + '/../../../spec_helper.rb')
+require File.expand_path(File.dirname(__FILE__) + "/../../../spec_helper.rb")
 
 describe Ohai::System, "FreeBSD plugin platform" do
   before(:each) do
diff --git a/spec/unit/plugins/gce_spec.rb b/spec/unit/plugins/gce_spec.rb
index 524aa760..4e1d4927 100644
--- a/spec/unit/plugins/gce_spec.rb
+++ b/spec/unit/plugins/gce_spec.rb
@@ -15,8 +15,8 @@
 # limitations under the License.
 #
 
-require File.expand_path(File.dirname(__FILE__) + '/../../spec_helper.rb')
-require 'open-uri'
+require File.expand_path(File.dirname(__FILE__) + "/../../spec_helper.rb")
+require "open-uri"
 
 describe Ohai::System, "plugin gce" do
   before(:each) do
@@ -34,7 +34,7 @@ describe Ohai::System, "plugin gce" do
     before(:each) do
       @http_client = double("Net::HTTP client")
       allow(@plugin).to receive(:http_client).and_return(@http_client)
-      allow(IO).to receive(:select).and_return([[],[1],[]])
+      allow(IO).to receive(:select).and_return([[], [1], []])
       t = double("connection")
       allow(t).to receive(:connect_nonblock).and_raise(Errno::EINPROGRESS)
       allow(Socket).to receive(:new).and_return(t)
@@ -44,12 +44,12 @@ describe Ohai::System, "plugin gce" do
     it "should recursively fetch and properly parse json metadata" do
       expect(@http_client).to receive(:get).
         with("/computeMetadata/v1beta1/?recursive=true/").
-        and_return(double("Net::HTTP Response", :body => '{"instance":{"hostname":"test-host"}}', :code=>"200"))
+        and_return(double("Net::HTTP Response", :body => '{"instance":{"hostname":"test-host"}}', :code => "200"))
 
       @plugin.run
 
       expect(@plugin[:gce]).not_to be_nil
-      expect(@plugin[:gce]['instance']).to eq("hostname"=>"test-host")
+      expect(@plugin[:gce]["instance"]).to eq("hostname" => "test-host")
     end
 
   end
@@ -58,10 +58,10 @@ describe Ohai::System, "plugin gce" do
     it_should_behave_like "gce"
 
     before(:each) do
-      allow(File).to receive(:exist?).with('/etc/chef/ohai/hints/gce.json').and_return(true)
-      allow(File).to receive(:read).with('/etc/chef/ohai/hints/gce.json').and_return('')
+      allow(File).to receive(:exist?).with("/etc/chef/ohai/hints/gce.json").and_return(true)
+      allow(File).to receive(:read).with("/etc/chef/ohai/hints/gce.json").and_return("")
       allow(File).to receive(:exist?).with('C:\chef\ohai\hints/gce.json').and_return(true)
-      allow(File).to receive(:read).with('C:\chef\ohai\hints/gce.json').and_return('')
+      allow(File).to receive(:read).with('C:\chef\ohai\hints/gce.json').and_return("")
     end
   end
 
@@ -69,7 +69,7 @@ describe Ohai::System, "plugin gce" do
     it_should_behave_like "!gce"
 
     before(:each) do
-      allow(File).to receive(:exist?).with('/etc/chef/ohai/hints/gce.json').and_return(false)
+      allow(File).to receive(:exist?).with("/etc/chef/ohai/hints/gce.json").and_return(false)
       allow(File).to receive(:exist?).with('C:\chef\ohai\hints/gce.json').and_return(false)
 
       # Raise Errno::ENOENT to simulate the scenario in which metadata server
diff --git a/spec/unit/plugins/go_spec.rb b/spec/unit/plugins/go_spec.rb
index cdfbb914..6f1f8809 100644
--- a/spec/unit/plugins/go_spec.rb
+++ b/spec/unit/plugins/go_spec.rb
@@ -13,7 +13,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-require File.expand_path(File.join(File.dirname(__FILE__), '..', '..', '/spec_helper.rb'))
+require File.expand_path(File.join(File.dirname(__FILE__), "..", "..", "/spec_helper.rb"))
 
 describe Ohai::System, "plugin go" do
 
diff --git a/spec/unit/plugins/groovy_spec.rb b/spec/unit/plugins/groovy_spec.rb
index cfd42e55..bbd16c5c 100644
--- a/spec/unit/plugins/groovy_spec.rb
+++ b/spec/unit/plugins/groovy_spec.rb
@@ -16,8 +16,7 @@
 # limitations under the License.
 #
 
-
-require File.expand_path(File.join(File.dirname(__FILE__), '..', '..', '/spec_helper.rb'))
+require File.expand_path(File.join(File.dirname(__FILE__), "..", "..", "/spec_helper.rb"))
 
 describe Ohai::System, "plugin groovy" do
 
diff --git a/spec/unit/plugins/hostname_spec.rb b/spec/unit/plugins/hostname_spec.rb
index b7a1c045..e0f7672d 100644
--- a/spec/unit/plugins/hostname_spec.rb
+++ b/spec/unit/plugins/hostname_spec.rb
@@ -16,8 +16,7 @@
 # limitations under the License.
 #
 
-
-require File.expand_path(File.dirname(__FILE__) + '/../../spec_helper.rb')
+require File.expand_path(File.dirname(__FILE__) + "/../../spec_helper.rb")
 
 describe Ohai::System, "hostname plugin" do
   before(:each) do
diff --git a/spec/unit/plugins/init_package_spec.rb b/spec/unit/plugins/init_package_spec.rb
index f7c4e1be..29532c1d 100644
--- a/spec/unit/plugins/init_package_spec.rb
+++ b/spec/unit/plugins/init_package_spec.rb
@@ -16,7 +16,7 @@
 # limitations under the License.
 #
 
-require File.expand_path(File.join(File.dirname(__FILE__), '..', '..', '/spec_helper.rb'))
+require File.expand_path(File.join(File.dirname(__FILE__), "..", "..", "/spec_helper.rb"))
 
 describe Ohai::System, "Init package" do
   let(:plugin) {
diff --git a/spec/unit/plugins/ip_scopes_spec.rb b/spec/unit/plugins/ip_scopes_spec.rb
index 4024c302..b0b600d0 100644
--- a/spec/unit/plugins/ip_scopes_spec.rb
+++ b/spec/unit/plugins/ip_scopes_spec.rb
@@ -1,12 +1,12 @@
-require File.expand_path(File.dirname(__FILE__) + '/../../spec_helper.rb')
+require File.expand_path(File.dirname(__FILE__) + "/../../spec_helper.rb")
 
 begin
-  require 'ipaddr_extensions'
+  require "ipaddr_extensions"
 rescue LoadError
 end
 
 describe Ohai::System, "plugin ip_scopes" do
-  let(:plugin) { get_plugin('ip_scopes') }
+  let(:plugin) { get_plugin("ip_scopes") }
   let(:network) { Mash.new(:interfaces => interfaces) }
   let(:interfaces) { Hash[
       interface1, { :addresses => addresses1, :type => interface1_type },
@@ -15,59 +15,59 @@ describe Ohai::System, "plugin ip_scopes" do
   let(:interface2) { :eth1 }
   let(:addresses1) { {} }
   let(:addresses2) { {} }
-  let(:interface1_type) { 'eth' }
-  let(:interface2_type) { 'eth' }
+  let(:interface1_type) { "eth" }
+  let(:interface2_type) { "eth" }
 
   before { plugin[:network] = network }
 
   if defined?(IPAddrExtensions)
-    context 'with ipaddr_extensions gem' do
-      let(:ip1) { '10.0.0.1' }
-      let(:ip2) { '1.2.3.4' }
-      let(:ip3) { 'fe80::8638:35ff:fe4e:dc74' }
+    context "with ipaddr_extensions gem" do
+      let(:ip1) { "10.0.0.1" }
+      let(:ip2) { "1.2.3.4" }
+      let(:ip3) { "fe80::8638:35ff:fe4e:dc74" }
 
       let(:addresses1) { Hash[ip1, {}] }
       let(:addresses2) { Hash[ip2, {}, ip3, {}] }
 
       it "adds ip_scope to each address's information hash" do
         plugin.run
-        expect(plugin[:network][:interfaces][:eth0][:addresses]['10.0.0.1'][:ip_scope]).to eq('RFC1918 PRIVATE')
-        expect(plugin[:network][:interfaces][:eth1][:addresses]['1.2.3.4'][:ip_scope]).to eq('GLOBAL UNICAST')
-        expect(plugin[:network][:interfaces][:eth1][:addresses]['fe80::8638:35ff:fe4e:dc74'][:ip_scope]).to eq('LINK LOCAL UNICAST')
+        expect(plugin[:network][:interfaces][:eth0][:addresses]["10.0.0.1"][:ip_scope]).to eq("RFC1918 PRIVATE")
+        expect(plugin[:network][:interfaces][:eth1][:addresses]["1.2.3.4"][:ip_scope]).to eq("GLOBAL UNICAST")
+        expect(plugin[:network][:interfaces][:eth1][:addresses]["fe80::8638:35ff:fe4e:dc74"][:ip_scope]).to eq("LINK LOCAL UNICAST")
       end
 
-      describe 'privateaddress attribute' do
+      describe "privateaddress attribute" do
         before { plugin.run }
 
-        context 'when host has multiple RFC1918 ethernet addresses' do
-          let(:ip1) { '10.0.0.1' }
-          let(:ip2) { '192.168.1.1' }
-          let(:interface1_type) { 'eth' }
-          let(:interface2_type) { 'eth' }
+        context "when host has multiple RFC1918 ethernet addresses" do
+          let(:ip1) { "10.0.0.1" }
+          let(:ip2) { "192.168.1.1" }
+          let(:interface1_type) { "eth" }
+          let(:interface2_type) { "eth" }
 
-          it 'picks the last RFC1918 address' do
-            expect(plugin[:privateaddress]).to eq('192.168.1.1')
+          it "picks the last RFC1918 address" do
+            expect(plugin[:privateaddress]).to eq("192.168.1.1")
           end
         end
 
-        context 'when host has virtual and ethernet RFC1918 addresses' do
-          let(:ip1) { '10.0.0.1' }
-          let(:ip2) { '192.168.1.1' }
-          let(:interface1_type) { 'eth' }
-          let(:interface2_type) { 'ppp' }
+        context "when host has virtual and ethernet RFC1918 addresses" do
+          let(:ip1) { "10.0.0.1" }
+          let(:ip2) { "192.168.1.1" }
+          let(:interface1_type) { "eth" }
+          let(:interface2_type) { "ppp" }
 
-          it 'picks the non-virtual address' do
-            expect(plugin[:privateaddress]).to eq('10.0.0.1')
+          it "picks the non-virtual address" do
+            expect(plugin[:privateaddress]).to eq("10.0.0.1")
           end
         end
 
-        context 'when host only has virtual RFC1918 addresses' do
-          let(:ip1) { '10.0.0.1' }
-          let(:ip2) { '192.168.1.1' }
-          let(:interface1_type) { 'ppp' }
-          let(:interface2_type) { 'ppp' }
+        context "when host only has virtual RFC1918 addresses" do
+          let(:ip1) { "10.0.0.1" }
+          let(:ip2) { "192.168.1.1" }
+          let(:interface1_type) { "ppp" }
+          let(:interface2_type) { "ppp" }
 
-          it 'ignores them' do
+          it "ignores them" do
             expect(plugin[:privateaddress]).to be nil
           end
         end
@@ -76,8 +76,8 @@ describe Ohai::System, "plugin ip_scopes" do
   end
 
   unless defined?(IPAddrExtensions)
-    context 'without the ipaddr_extensions gem' do
-      let(:addresses1) { Hash['10.0.0.1', {}] }
+    context "without the ipaddr_extensions gem" do
+      let(:addresses1) { Hash["10.0.0.1", {}] }
 
       before do
         # standin for raising on `require 'ipaddr_extensions'`
@@ -85,11 +85,11 @@ describe Ohai::System, "plugin ip_scopes" do
         plugin.run
       end
 
-      it 'does not add ip_scope to addresses' do
-        expect(plugin[:network][:interfaces][:eth0][:addresses]['10.0.0.1'][:ip_scope]).to be nil
+      it "does not add ip_scope to addresses" do
+        expect(plugin[:network][:interfaces][:eth0][:addresses]["10.0.0.1"][:ip_scope]).to be nil
       end
 
-      it 'does not add a privateaddress attribute' do
+      it "does not add a privateaddress attribute" do
         expect(plugin[:privateaddress]).to be nil
       end
     end
diff --git a/spec/unit/plugins/java_spec.rb b/spec/unit/plugins/java_spec.rb
index c870ccba..bf5c7596 100644
--- a/spec/unit/plugins/java_spec.rb
+++ b/spec/unit/plugins/java_spec.rb
@@ -17,7 +17,7 @@
 # limitations under the License.
 #
 
-require File.expand_path(File.dirname(__FILE__) + '/../../spec_helper.rb')
+require File.expand_path(File.dirname(__FILE__) + "/../../spec_helper.rb")
 
 describe Ohai::System, "plugin java (Java5 Client VM)" do
   before(:each) do
@@ -113,7 +113,7 @@ describe Ohai::System, "plugin java (Java5 Client VM)" do
       expect(@plugin[:languages]).not_to have_key(:java)
     end
   end
-  
+
   shared_examples_for "when the openjdk 1.8 is installed" do
 
     before(:each) do
diff --git a/spec/unit/plugins/joyent_spec.rb b/spec/unit/plugins/joyent_spec.rb
index eb4a36df..a6670126 100644
--- a/spec/unit/plugins/joyent_spec.rb
+++ b/spec/unit/plugins/joyent_spec.rb
@@ -1,9 +1,8 @@
-require 'spec_helper'
-
+require "spec_helper"
 
 describe Ohai::System, "plugin joyent" do
   before(:each) do
-    @plugin = get_plugin('joyent')
+    @plugin = get_plugin("joyent")
   end
 
   describe "without joyent" do
@@ -35,7 +34,7 @@ describe Ohai::System, "plugin joyent" do
       end
 
       it "should ditect global zone" do
-        expect(@plugin[:joyent][:sm_uuid]).to eql 'global'
+        expect(@plugin[:joyent][:sm_uuid]).to eql "global"
       end
 
       it "should NOT create sm_id" do
@@ -45,19 +44,19 @@ describe Ohai::System, "plugin joyent" do
 
     describe "under smartmachine" do
       before(:each) do
-        @plugin[:virtualization][:guest_uuid] = 'xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxx'
-        @plugin[:virtualization][:guest_id] = '30'
+        @plugin[:virtualization][:guest_uuid] = "xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxx"
+        @plugin[:virtualization][:guest_id] = "30"
         allow(@plugin).to receive(:collect_product_file).and_return(["Name: Joyent Instance", "Image: base64 13.4.2", "Documentation: http://wiki.joyent.com/jpc2/SmartMachine+Base"])
-        allow(@plugin).to receive(:collect_pkgsrc).and_return('http://pkgsrc.joyent.com/packages/SmartOS/2013Q4/x86_64/All')
+        allow(@plugin).to receive(:collect_pkgsrc).and_return("http://pkgsrc.joyent.com/packages/SmartOS/2013Q4/x86_64/All")
         @plugin.run
       end
 
       it "should retrive zone uuid" do
-        expect(@plugin[:joyent][:sm_uuid]).to eql 'xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxx'
+        expect(@plugin[:joyent][:sm_uuid]).to eql "xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxx"
       end
 
       it "should collect sm_id" do
-        expect(@plugin[:joyent][:sm_id]).to eql '30'
+        expect(@plugin[:joyent][:sm_id]).to eql "30"
       end
 
       it "should collect images" do
@@ -66,9 +65,8 @@ describe Ohai::System, "plugin joyent" do
       end
 
       it "should collect pkgsrc" do
-        expect(@plugin[:joyent][:sm_pkgsrc]).to eql 'http://pkgsrc.joyent.com/packages/SmartOS/2013Q4/x86_64/All'
+        expect(@plugin[:joyent][:sm_pkgsrc]).to eql "http://pkgsrc.joyent.com/packages/SmartOS/2013Q4/x86_64/All"
       end
     end
   end
 end
-
diff --git a/spec/unit/plugins/kernel_spec.rb b/spec/unit/plugins/kernel_spec.rb
index 30539740..c46952e5 100644
--- a/spec/unit/plugins/kernel_spec.rb
+++ b/spec/unit/plugins/kernel_spec.rb
@@ -16,8 +16,7 @@
 # limitations under the License.
 #
 
-
-require File.expand_path(File.dirname(__FILE__) + '/../../spec_helper.rb')
+require File.expand_path(File.dirname(__FILE__) + "/../../spec_helper.rb")
 
 describe Ohai::System, "plugin kernel" do
   before(:each) do
@@ -39,7 +38,7 @@ describe Ohai::System, "plugin kernel" do
 
   describe "when running on windows", :windows_only do
     before do
-      require 'wmi-lite/wmi'
+      require "wmi-lite/wmi"
 
       @ohai_system = Ohai::System.new
       @plugin = get_plugin("kernel", @ohai_system)
@@ -52,30 +51,30 @@ describe Ohai::System, "plugin kernel" do
       os_type = double("WIN32OLE", :name => "OsType")
       os_properties = [ caption, version, build_number, csd_version, os_type ]
 
-      os =  double( "WIN32OLE",
+      os = double( "WIN32OLE",
                     :properties_ => os_properties)
 
-      allow(os).to receive(:invoke).with(build_number.name).and_return('7601')
-      allow(os).to receive(:invoke).with(csd_version.name).and_return('Service Pack 1')
+      allow(os).to receive(:invoke).with(build_number.name).and_return("7601")
+      allow(os).to receive(:invoke).with(csd_version.name).and_return("Service Pack 1")
       allow(os).to receive(:invoke).with(os_type.name).and_return(18)
-      allow(os).to receive(:invoke).with(caption.name).and_return('Microsoft Windows 7 Ultimate')
-      allow(os).to receive(:invoke).with(version.name).and_return('6.1.7601')
+      allow(os).to receive(:invoke).with(caption.name).and_return("Microsoft Windows 7 Ultimate")
+      allow(os).to receive(:invoke).with(version.name).and_return("6.1.7601")
 
       os_wmi = WmiLite::Wmi::Instance.new(os)
 
-      expect_any_instance_of(WmiLite::Wmi).to receive(:first_of).with('Win32_OperatingSystem').and_return(os_wmi)
+      expect_any_instance_of(WmiLite::Wmi).to receive(:first_of).with("Win32_OperatingSystem").and_return(os_wmi)
 
       # Mock a Win32_ComputerSystem OLE32 WMI object
-      x64_system_type = 'x64-based PC'
+      x64_system_type = "x64-based PC"
 
       cs = double("WIN32OLE",
                   :properties_ => [ double("WIN32OLE", :name => "SystemType") ])
 
-      allow(cs).to receive(:invoke).with('SystemType').and_return(x64_system_type)
+      allow(cs).to receive(:invoke).with("SystemType").and_return(x64_system_type)
 
       cs_wmi = WmiLite::Wmi::Instance.new(cs)
 
-      expect_any_instance_of(WmiLite::Wmi).to receive(:first_of).with('Win32_ComputerSystem').and_return(cs_wmi)
+      expect_any_instance_of(WmiLite::Wmi).to receive(:first_of).with("Win32_ComputerSystem").and_return(cs_wmi)
 
       @plugin.run
     end
diff --git a/spec/unit/plugins/linode_spec.rb b/spec/unit/plugins/linode_spec.rb
index 8da577a2..d0e918a1 100644
--- a/spec/unit/plugins/linode_spec.rb
+++ b/spec/unit/plugins/linode_spec.rb
@@ -15,38 +15,38 @@
 # limitations under the License.
 #
 
-require File.expand_path(File.dirname(__FILE__) + '/../../spec_helper.rb')
+require File.expand_path(File.dirname(__FILE__) + "/../../spec_helper.rb")
 
 describe Ohai::System, "plugin linode" do
-  let(:hint_path_nix) { '/etc/chef/ohai/hints/linode.json' }
+  let(:hint_path_nix) { "/etc/chef/ohai/hints/linode.json" }
   let(:hint_path_win) { 'C:\chef\ohai\hints/linode.json' }
 
   before do
     @plugin = get_plugin("linode")
     @plugin[:network] = {
-      "interfaces"=> {
-        "eth0"=> {
-          "addresses"=> {
-            "1.2.3.4"=> {
-              "broadcast"=> "67.23.20.255",
-              "netmask"=> "255.255.255.0",
-              "family"=> "inet"
+      "interfaces" => {
+        "eth0" => {
+          "addresses" => {
+            "1.2.3.4" => {
+              "broadcast" => "67.23.20.255",
+              "netmask" => "255.255.255.0",
+              "family" => "inet",
             },
-            "fe80::4240:95ff:fe47:6eed"=> {
-              "scope"=> "Link",
-              "prefixlen"=> "64",
-              "family"=> "inet6"
+            "fe80::4240:95ff:fe47:6eed" => {
+              "scope" => "Link",
+              "prefixlen" => "64",
+              "family" => "inet6",
             },
             "40:40:95:47:6E:ED" => {
               "family" => "lladdr"
-            }
+            },
           }
         }
       }
     }
   end
 
-  shared_examples_for "!linode"  do
+  shared_examples_for "!linode" do
     it "does not create the linode mash" do
       @plugin.run
       expect(@plugin[:linode]).to be_nil
@@ -92,19 +92,19 @@ describe Ohai::System, "plugin linode" do
       before do
         @plugin[:network][:interfaces]["eth0:1"] = {
           "addresses" => {
-            "5.6.7.8"=> {
-              "broadcast"=> "10.176.191.255",
-              "netmask"=> "255.255.224.0",
-              "family"=> "inet"
+            "5.6.7.8" => {
+              "broadcast" => "10.176.191.255",
+              "netmask" => "255.255.224.0",
+              "family" => "inet",
             },
             "fe80::4240:f5ff:feab:2836" => {
-              "scope"=> "Link",
-              "prefixlen"=> "64",
-              "family"=> "inet6"
+              "scope" => "Link",
+              "prefixlen" => "64",
+              "family" => "inet6",
             },
             "40:40:F5:AB:28:36" => {
-              "family"=> "lladdr"
-            }
+              "family" => "lladdr"
+            },
           }
         }
       end
@@ -121,9 +121,9 @@ describe Ohai::System, "plugin linode" do
   describe "with linode cloud file" do
     before do
       allow(File).to receive(:exist?).with(hint_path_nix).and_return(true)
-      allow(File).to receive(:read).with(hint_path_nix).and_return('')
+      allow(File).to receive(:read).with(hint_path_nix).and_return("")
       allow(File).to receive(:exist?).with(hint_path_win).and_return(true)
-      allow(File).to receive(:read).with(hint_path_win).and_return('')
+      allow(File).to receive(:read).with(hint_path_win).and_return("")
     end
 
     it_should_behave_like "linode"
@@ -139,7 +139,7 @@ describe Ohai::System, "plugin linode" do
   end
 
   context "with ec2 cloud file" do
-    let(:ec2_hint_path_nix) { '/etc/chef/ohai/hints/ec2.json' }
+    let(:ec2_hint_path_nix) { "/etc/chef/ohai/hints/ec2.json" }
     let(:ec2_hint_path_win) { 'C:\chef\ohai\hints/ec2.json' }
 
     before do
@@ -147,9 +147,9 @@ describe Ohai::System, "plugin linode" do
       allow(File).to receive(:exist?).with(hint_path_win).and_return(false)
 
       allow(File).to receive(:exist?).with(ec2_hint_path_nix).and_return(true)
-      allow(File).to receive(:read).with(ec2_hint_path_nix).and_return('')
+      allow(File).to receive(:read).with(ec2_hint_path_nix).and_return("")
       allow(File).to receive(:exist?).with(ec2_hint_path_win).and_return(true)
-      allow(File).to receive(:read).with(ec2_hint_path_win).and_return('')
+      allow(File).to receive(:read).with(ec2_hint_path_win).and_return("")
     end
 
     it_should_behave_like "!linode"
diff --git a/spec/unit/plugins/linux/block_device_spec.rb b/spec/unit/plugins/linux/block_device_spec.rb
index 4fb9449a..edb4b243 100644
--- a/spec/unit/plugins/linux/block_device_spec.rb
+++ b/spec/unit/plugins/linux/block_device_spec.rb
@@ -15,24 +15,24 @@
 #  limitations under the License.
 #
 
-require File.expand_path(File.dirname(__FILE__) + '/../../../spec_helper.rb')
+require File.expand_path(File.dirname(__FILE__) + "/../../../spec_helper.rb")
 
-describe Ohai::System, 'Linux Block Device Plugin' do
+describe Ohai::System, "Linux Block Device Plugin" do
   DISKS = {
-    'sda' => {
-      'size' => '7814037168',
-      'removable' => '0',
-      'model' => 'WDC WD4000F9YZ-0',
-      'rev' => '1A01',
-      'state' => 'running',
-      'timeout' => '30',
-      'queue_depth' => '1',
-      'vendor' => 'ATA'
+    "sda" => {
+      "size" => "7814037168",
+      "removable" => "0",
+      "model" => "WDC WD4000F9YZ-0",
+      "rev" => "1A01",
+      "state" => "running",
+      "timeout" => "30",
+      "queue_depth" => "1",
+      "vendor" => "ATA",
+    },
+    "dm-0" => {
+      "size" => "7806976",
+      "removable" => "0",
     },
-    'dm-0' => {
-      'size' => '7806976',
-      'removable' => '0'
-    }
   }
 
   def file_double(value)
@@ -42,11 +42,11 @@ describe Ohai::System, 'Linux Block Device Plugin' do
   end
 
   before(:each) do
-    @plugin = get_plugin('linux/block_device')
+    @plugin = get_plugin("linux/block_device")
     allow(@plugin).to receive(:collect_os).and_return(:linux)
 
-    allow(File).to receive(:exists?).with('/sys/block').and_return(true)
-    allow(Dir).to receive(:[]).with('/sys/block/*') do
+    allow(File).to receive(:exists?).with("/sys/block").and_return(true)
+    allow(Dir).to receive(:[]).with("/sys/block/*") do
       DISKS.collect { |disk, _files| "/sys/block/#{disk}" }
     end
 
@@ -56,17 +56,17 @@ describe Ohai::System, 'Linux Block Device Plugin' do
       end
 
       allow(File).to receive(:exists?).with(Regexp.new(disk)) do |arg|
-        filepath = arg.split('/')
+        filepath = arg.split("/")
         checks[filepath.last].nil? ? false : true
       end
 
       allow(File).to receive(:basename) do |arg|
-        arg.split('/').last
+        arg.split("/").last
       end
     end
   end
 
-  it 'should collect all relevant data from disks' do
+  it "should collect all relevant data from disks" do
     @plugin.run
     DISKS.each do |disk, checks|
       expect(@plugin[:block_device][disk.to_sym]).to include(checks)
diff --git a/spec/unit/plugins/linux/cpu_spec.rb b/spec/unit/plugins/linux/cpu_spec.rb
index c3bf2f6a..f6252453 100644
--- a/spec/unit/plugins/linux/cpu_spec.rb
+++ b/spec/unit/plugins/linux/cpu_spec.rb
@@ -16,9 +16,9 @@
 # limitations under the License.
 #
 
-require 'tempfile'
+require "tempfile"
 
-require File.expand_path(File.dirname(__FILE__) + '/../../../spec_helper.rb')
+require File.expand_path(File.dirname(__FILE__) + "/../../../spec_helper.rb")
 
 shared_examples "Common cpu info" do |total_cpu, real_cpu|
   describe "cpu" do
@@ -89,7 +89,7 @@ clflush size  : 32
   end
 
   let(:tempfile_handle) do
-    tempfile = Tempfile.new('ohai-rspec-proc-cpuinfo')
+    tempfile = Tempfile.new("ohai-rspec-proc-cpuinfo")
     tempfile.write cpuinfo_contents
     tempfile.rewind
     tempfile
diff --git a/spec/unit/plugins/linux/filesystem2_spec.rb b/spec/unit/plugins/linux/filesystem2_spec.rb
index cd10ec97..e62e9d1a 100644
--- a/spec/unit/plugins/linux/filesystem2_spec.rb
+++ b/spec/unit/plugins/linux/filesystem2_spec.rb
@@ -16,7 +16,7 @@
 # limitations under the License.
 #
 
-require File.expand_path(File.dirname(__FILE__) + '/../../../spec_helper.rb')
+require File.expand_path(File.dirname(__FILE__) + "/../../../spec_helper.rb")
 
 describe Ohai::System, "Linux filesystem plugin" do
   let (:plugin) { get_plugin("linux/filesystem2") }
@@ -166,7 +166,7 @@ MOUNT
 
     it "should set mount_options to an array of values from mount" do
       plugin.run
-      expect(plugin[:filesystem2]["by_pair"]["/dev/mapper/sys.vg-special.lv,/special"][:mount_options]).to eq([ "ro", "noatime" ])
+      expect(plugin[:filesystem2]["by_pair"]["/dev/mapper/sys.vg-special.lv,/special"][:mount_options]).to eq(%w{ro noatime})
     end
   end
 
@@ -338,7 +338,7 @@ MOUNTS
 
     it "should set mount_options to an array of values from /proc/mounts" do
       plugin.run
-      expect(plugin[:filesystem2]["by_pair"]["/dev/mapper/sys.vg-special.lv,/special"][:mount_options]).to eq([ "ro", "noatime", "attr2", "noquota" ])
+      expect(plugin[:filesystem2]["by_pair"]["/dev/mapper/sys.vg-special.lv,/special"][:mount_options]).to eq(%w{ro noatime attr2 noquota})
     end
   end
 
@@ -385,9 +385,9 @@ BLKID_TYPE
 
     it "should provide a devices view with all mountpoints" do
       plugin.run
-      expect(plugin[:filesystem2]["by_device"]["/dev/mapper/sys.vg-root.lv"][:mounts]).to eq(['/', '/var/chroot'])
-      expect(plugin[:filesystem2]["by_device"]["/dev/mapper/sys.vg-home.lv"][:mounts]).to eq(['/home', '/home2'])
-      expect(plugin[:filesystem2]["by_device"]["tmpfs"][:mounts]).to eq(['/lib/init/rw', '/dev/shm'])
+      expect(plugin[:filesystem2]["by_device"]["/dev/mapper/sys.vg-root.lv"][:mounts]).to eq(["/", "/var/chroot"])
+      expect(plugin[:filesystem2]["by_device"]["/dev/mapper/sys.vg-home.lv"][:mounts]).to eq(["/home", "/home2"])
+      expect(plugin[:filesystem2]["by_device"]["tmpfs"][:mounts]).to eq(["/lib/init/rw", "/dev/shm"])
     end
   end
 
@@ -431,7 +431,7 @@ BLKID_TYPE
 
     it "should provide a mounts view with all devices" do
       plugin.run
-      expect(plugin[:filesystem2]["by_mountpoint"]["/mnt"][:devices]).to eq(['/dev/sdb1', '/dev/sdc1'])
+      expect(plugin[:filesystem2]["by_mountpoint"]["/mnt"][:devices]).to eq(["/dev/sdb1", "/dev/sdc1"])
     end
   end
 end
diff --git a/spec/unit/plugins/linux/filesystem_spec.rb b/spec/unit/plugins/linux/filesystem_spec.rb
index e1c1b354..7375a8cf 100644
--- a/spec/unit/plugins/linux/filesystem_spec.rb
+++ b/spec/unit/plugins/linux/filesystem_spec.rb
@@ -6,9 +6,9 @@
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at
-# 
+#
 #     http://www.apache.org/licenses/LICENSE-2.0
-# 
+#
 # Unless required by applicable law or agreed to in writing, software
 # distributed under the License is distributed on an "AS IS" BASIS,
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
@@ -16,7 +16,7 @@
 # limitations under the License.
 #
 
-require File.expand_path(File.dirname(__FILE__) + '/../../../spec_helper.rb')
+require File.expand_path(File.dirname(__FILE__) + "/../../../spec_helper.rb")
 
 describe Ohai::System, "Linux filesystem plugin" do
   let(:plugin) { get_plugin("linux/filesystem") }
@@ -73,7 +73,7 @@ tmpfs                  2030944      2960   2027984       1% /dev/shm
 /dev/md0                960492     36388    875312       4% /boot
 DF
       allow(plugin).to receive(:shell_out).with("df -P").and_return(mock_shell_out(0, @stdout, ""))
-      
+
       @inode_stdout = <<-DFi
 Filesystem      Inodes  IUsed   IFree IUse% Mounted on
 /dev/xvda1     1310720 107407 1203313    9% /
@@ -115,17 +115,17 @@ DFi
       plugin.run
       expect(plugin[:filesystem]["/dev/mapper/sys.vg-special.lv"][:mount]).to eq("/special")
     end
-    
+
     it "should set total_inodes to value from df -iP" do
       plugin.run
       expect(plugin[:filesystem]["/dev/mapper/sys.vg-special.lv"][:total_inodes]).to eq("124865")
     end
-    
+
     it "should set inodes_used to value from df -iP" do
       plugin.run
       expect(plugin[:filesystem]["/dev/mapper/sys.vg-special.lv"][:inodes_used]).to eq("380")
     end
-    
+
     it "should set inodes_available to value from df -iP" do
       plugin.run
       expect(plugin[:filesystem]["/dev/mapper/sys.vg-special.lv"][:inodes_available]).to eq("124485")
@@ -171,26 +171,26 @@ MOUNT
 
     it "should set mount_options to an array of values from mount" do
       plugin.run
-      expect(plugin[:filesystem]["/dev/mapper/sys.vg-special.lv"][:mount_options]).to eq([ "ro", "noatime" ])
+      expect(plugin[:filesystem]["/dev/mapper/sys.vg-special.lv"][:mount_options]).to eq(%w{ro noatime})
     end
   end
 
   describe "when gathering filesystem type data from blkid" do
     before(:each) do
       @stdout = <<-BLKID_TYPE
-/dev/sdb1: TYPE=\"linux_raid_member\" 
-/dev/sdb2: TYPE=\"linux_raid_member\" 
-/dev/sda1: TYPE=\"linux_raid_member\" 
-/dev/sda2: TYPE=\"linux_raid_member\" 
-/dev/md0: TYPE=\"ext3\" 
-/dev/md1: TYPE=\"LVM2_member\" 
-/dev/mapper/sys.vg-root.lv: TYPE=\"ext4\" 
-/dev/mapper/sys.vg-swap.lv: TYPE=\"swap\" 
-/dev/mapper/sys.vg-tmp.lv: TYPE=\"ext4\" 
-/dev/mapper/sys.vg-usr.lv: TYPE=\"ext4\" 
-/dev/mapper/sys.vg-var.lv: TYPE=\"ext4\" 
-/dev/mapper/sys.vg-home.lv: TYPE=\"xfs\" 
-/dev/mapper/debian--7-root: TYPE=\"ext4\" 
+/dev/sdb1: TYPE=\"linux_raid_member\"
+/dev/sdb2: TYPE=\"linux_raid_member\"
+/dev/sda1: TYPE=\"linux_raid_member\"
+/dev/sda2: TYPE=\"linux_raid_member\"
+/dev/md0: TYPE=\"ext3\"
+/dev/md1: TYPE=\"LVM2_member\"
+/dev/mapper/sys.vg-root.lv: TYPE=\"ext4\"
+/dev/mapper/sys.vg-swap.lv: TYPE=\"swap\"
+/dev/mapper/sys.vg-tmp.lv: TYPE=\"ext4\"
+/dev/mapper/sys.vg-usr.lv: TYPE=\"ext4\"
+/dev/mapper/sys.vg-var.lv: TYPE=\"ext4\"
+/dev/mapper/sys.vg-home.lv: TYPE=\"xfs\"
+/dev/mapper/debian--7-root: TYPE=\"ext4\"
 BLKID_TYPE
       allow(plugin).to receive(:shell_out).with("blkid -s TYPE").and_return(mock_shell_out(0, @stdout, ""))
     end
@@ -210,19 +210,19 @@ BLKID_TYPE
     before(:each) do
       allow(File).to receive(:exist?).with("/bin/lsblk").and_return(true)
       @stdout = <<-BLKID_TYPE
-NAME="sdb1" FSTYPE="linux_raid_member" 
-NAME="sdb2" FSTYPE="linux_raid_member" 
-NAME="sda1" FSTYPE="linux_raid_member" 
-NAME="sda2" FSTYPE="linux_raid_member" 
-NAME="md0" FSTYPE="ext3" 
-NAME="md1" FSTYPE="LVM2_member" 
-NAME="sys.vg-root.lv" FSTYPE="ext4" 
-NAME="sys.vg-swap.lv" FSTYPE="swap" 
-NAME="sys.vg-tmp.lv" FSTYPE="ext4" 
-NAME="sys.vg-usr.lv" FSTYPE="ext4" 
-NAME="sys.vg-var.lv" FSTYPE="ext4" 
-NAME="sys.vg-home.lv" FSTYPE="xfs" 
-NAME="debian--7-root (dm-0)" FSTYPE="ext4" 
+NAME="sdb1" FSTYPE="linux_raid_member"
+NAME="sdb2" FSTYPE="linux_raid_member"
+NAME="sda1" FSTYPE="linux_raid_member"
+NAME="sda2" FSTYPE="linux_raid_member"
+NAME="md0" FSTYPE="ext3"
+NAME="md1" FSTYPE="LVM2_member"
+NAME="sys.vg-root.lv" FSTYPE="ext4"
+NAME="sys.vg-swap.lv" FSTYPE="swap"
+NAME="sys.vg-tmp.lv" FSTYPE="ext4"
+NAME="sys.vg-usr.lv" FSTYPE="ext4"
+NAME="sys.vg-var.lv" FSTYPE="ext4"
+NAME="sys.vg-home.lv" FSTYPE="xfs"
+NAME="debian--7-root (dm-0)" FSTYPE="ext4"
 BLKID_TYPE
       allow(plugin).to receive(:shell_out).with("lsblk -P -n -o NAME,FSTYPE").
         and_return(mock_shell_out(0, @stdout, ""))
@@ -248,19 +248,19 @@ BLKID_TYPE
   describe "when gathering filesystem uuid data from blkid" do
     before(:each) do
       @stdout = <<-BLKID_UUID
-/dev/sdb1: UUID=\"bd1197e0-6997-1f3a-e27e-7801388308b5\" 
-/dev/sdb2: UUID=\"e36d933e-e5b9-cfe5-6845-1f84d0f7fbfa\" 
-/dev/sda1: UUID=\"bd1197e0-6997-1f3a-e27e-7801388308b5\" 
-/dev/sda2: UUID=\"e36d933e-e5b9-cfe5-6845-1f84d0f7fbfa\" 
-/dev/md0: UUID=\"37b8de8e-0fe3-4b5a-b9b4-dde33e19bb32\" 
-/dev/md1: UUID=\"YsIe0R-fj1y-LXTd-imla-opKo-OuIe-TBoxSK\" 
-/dev/mapper/sys.vg-root.lv: UUID=\"7742d14b-80a3-4e97-9a32-478be9ea9aea\" 
-/dev/mapper/sys.vg-swap.lv: UUID=\"9bc2e515-8ddc-41c3-9f63-4eaebde9ce96\" 
-/dev/mapper/sys.vg-tmp.lv: UUID=\"74cf7eb9-428f-479e-9a4a-9943401e81e5\" 
-/dev/mapper/sys.vg-usr.lv: UUID=\"26ec33c5-d00b-4f88-a550-492def013bbc\" 
-/dev/mapper/sys.vg-var.lv: UUID=\"6b559c35-7847-4ae2-b512-c99012d3f5b3\" 
-/dev/mapper/sys.vg-home.lv: UUID=\"d6efda02-1b73-453c-8c74-7d8dee78fa5e\" 
-/dev/mapper/debian--7-root: UUID=\"09187faa-3512-4505-81af-7e86d2ccb99a\" 
+/dev/sdb1: UUID=\"bd1197e0-6997-1f3a-e27e-7801388308b5\"
+/dev/sdb2: UUID=\"e36d933e-e5b9-cfe5-6845-1f84d0f7fbfa\"
+/dev/sda1: UUID=\"bd1197e0-6997-1f3a-e27e-7801388308b5\"
+/dev/sda2: UUID=\"e36d933e-e5b9-cfe5-6845-1f84d0f7fbfa\"
+/dev/md0: UUID=\"37b8de8e-0fe3-4b5a-b9b4-dde33e19bb32\"
+/dev/md1: UUID=\"YsIe0R-fj1y-LXTd-imla-opKo-OuIe-TBoxSK\"
+/dev/mapper/sys.vg-root.lv: UUID=\"7742d14b-80a3-4e97-9a32-478be9ea9aea\"
+/dev/mapper/sys.vg-swap.lv: UUID=\"9bc2e515-8ddc-41c3-9f63-4eaebde9ce96\"
+/dev/mapper/sys.vg-tmp.lv: UUID=\"74cf7eb9-428f-479e-9a4a-9943401e81e5\"
+/dev/mapper/sys.vg-usr.lv: UUID=\"26ec33c5-d00b-4f88-a550-492def013bbc\"
+/dev/mapper/sys.vg-var.lv: UUID=\"6b559c35-7847-4ae2-b512-c99012d3f5b3\"
+/dev/mapper/sys.vg-home.lv: UUID=\"d6efda02-1b73-453c-8c74-7d8dee78fa5e\"
+/dev/mapper/debian--7-root: UUID=\"09187faa-3512-4505-81af-7e86d2ccb99a\"
 BLKID_UUID
       allow(plugin).to receive(:shell_out).with("blkid -s UUID").and_return(mock_shell_out(0, @stdout, ""))
     end
@@ -280,19 +280,19 @@ BLKID_UUID
     before(:each) do
       allow(File).to receive(:exist?).with("/bin/lsblk").and_return(true)
       @stdout = <<-BLKID_UUID
-NAME="sdb1" UUID="bd1197e0-6997-1f3a-e27e-7801388308b5" 
-NAME="sdb2" UUID="e36d933e-e5b9-cfe5-6845-1f84d0f7fbfa" 
-NAME="sda1" UUID="bd1197e0-6997-1f3a-e27e-7801388308b5" 
-NAME="sda2" UUID="e36d933e-e5b9-cfe5-6845-1f84d0f7fbfa" 
-NAME="md0" UUID="37b8de8e-0fe3-4b5a-b9b4-dde33e19bb32" 
-NAME="md1" UUID="YsIe0R-fj1y-LXTd-imla-opKo-OuIe-TBoxSK" 
-NAME="sys.vg-root.lv" UUID="7742d14b-80a3-4e97-9a32-478be9ea9aea" 
-NAME="sys.vg-swap.lv" UUID="9bc2e515-8ddc-41c3-9f63-4eaebde9ce96" 
-NAME="sys.vg-tmp.lv" UUID="74cf7eb9-428f-479e-9a4a-9943401e81e5" 
-NAME="sys.vg-usr.lv" UUID="26ec33c5-d00b-4f88-a550-492def013bbc" 
-NAME="sys.vg-var.lv" UUID="6b559c35-7847-4ae2-b512-c99012d3f5b3" 
-NAME="sys.vg-home.lv" UUID="d6efda02-1b73-453c-8c74-7d8dee78fa5e" 
-NAME="debian--7-root (dm-0)" UUID="09187faa-3512-4505-81af-7e86d2ccb99a" 
+NAME="sdb1" UUID="bd1197e0-6997-1f3a-e27e-7801388308b5"
+NAME="sdb2" UUID="e36d933e-e5b9-cfe5-6845-1f84d0f7fbfa"
+NAME="sda1" UUID="bd1197e0-6997-1f3a-e27e-7801388308b5"
+NAME="sda2" UUID="e36d933e-e5b9-cfe5-6845-1f84d0f7fbfa"
+NAME="md0" UUID="37b8de8e-0fe3-4b5a-b9b4-dde33e19bb32"
+NAME="md1" UUID="YsIe0R-fj1y-LXTd-imla-opKo-OuIe-TBoxSK"
+NAME="sys.vg-root.lv" UUID="7742d14b-80a3-4e97-9a32-478be9ea9aea"
+NAME="sys.vg-swap.lv" UUID="9bc2e515-8ddc-41c3-9f63-4eaebde9ce96"
+NAME="sys.vg-tmp.lv" UUID="74cf7eb9-428f-479e-9a4a-9943401e81e5"
+NAME="sys.vg-usr.lv" UUID="26ec33c5-d00b-4f88-a550-492def013bbc"
+NAME="sys.vg-var.lv" UUID="6b559c35-7847-4ae2-b512-c99012d3f5b3"
+NAME="sys.vg-home.lv" UUID="d6efda02-1b73-453c-8c74-7d8dee78fa5e"
+NAME="debian--7-root (dm-0)" UUID="09187faa-3512-4505-81af-7e86d2ccb99a"
 BLKID_UUID
       allow(plugin).to receive(:shell_out).with("lsblk -P -n -o NAME,UUID").
         and_return(mock_shell_out(0, @stdout, ""))
@@ -322,17 +322,17 @@ BLKID_UUID
   describe "when gathering filesystem label data from blkid" do
     before(:each) do
       @stdout = <<-BLKID_LABEL
-/dev/sda1: LABEL=\"fuego:0\" 
-/dev/sda2: LABEL=\"fuego:1\" 
-/dev/sdb1: LABEL=\"fuego:0\" 
-/dev/sdb2: LABEL=\"fuego:1\" 
-/dev/md0: LABEL=\"/boot\" 
-/dev/mapper/sys.vg-root.lv: LABEL=\"/\" 
-/dev/mapper/sys.vg-tmp.lv: LABEL=\"/tmp\" 
-/dev/mapper/sys.vg-usr.lv: LABEL=\"/usr\" 
-/dev/mapper/sys.vg-var.lv: LABEL=\"/var\" 
-/dev/mapper/sys.vg-home.lv: LABEL=\"/home\" 
-/dev/mapper/debian--7-root: LABEL=\"root\" 
+/dev/sda1: LABEL=\"fuego:0\"
+/dev/sda2: LABEL=\"fuego:1\"
+/dev/sdb1: LABEL=\"fuego:0\"
+/dev/sdb2: LABEL=\"fuego:1\"
+/dev/md0: LABEL=\"/boot\"
+/dev/mapper/sys.vg-root.lv: LABEL=\"/\"
+/dev/mapper/sys.vg-tmp.lv: LABEL=\"/tmp\"
+/dev/mapper/sys.vg-usr.lv: LABEL=\"/usr\"
+/dev/mapper/sys.vg-var.lv: LABEL=\"/var\"
+/dev/mapper/sys.vg-home.lv: LABEL=\"/home\"
+/dev/mapper/debian--7-root: LABEL=\"root\"
 BLKID_LABEL
       allow(plugin).to receive(:shell_out).with("blkid -s LABEL").and_return(mock_shell_out(0, @stdout, ""))
     end
@@ -352,17 +352,17 @@ BLKID_LABEL
     before(:each) do
       allow(File).to receive(:exist?).with("/bin/lsblk").and_return(true)
       @stdout = <<-BLKID_LABEL
-NAME="sda1" LABEL="fuego:0" 
-NAME="sda2" LABEL="fuego:1" 
-NAME="sdb1" LABEL="fuego:0" 
-NAME="sdb2" LABEL="fuego:1" 
-NAME="md0" LABEL="/boot" 
-NAME="sys.vg-root.lv" LABEL="/" 
-NAME="sys.vg-tmp.lv" LABEL="/tmp" 
-NAME="sys.vg-usr.lv" LABEL="/usr" 
-NAME="sys.vg-var.lv" LABEL="/var" 
-NAME="sys.vg-home.lv" LABEL="/home" 
-NAME="debian--7-root (dm-0)" LABEL="root" 
+NAME="sda1" LABEL="fuego:0"
+NAME="sda2" LABEL="fuego:1"
+NAME="sdb1" LABEL="fuego:0"
+NAME="sdb2" LABEL="fuego:1"
+NAME="md0" LABEL="/boot"
+NAME="sys.vg-root.lv" LABEL="/"
+NAME="sys.vg-tmp.lv" LABEL="/tmp"
+NAME="sys.vg-usr.lv" LABEL="/usr"
+NAME="sys.vg-var.lv" LABEL="/var"
+NAME="sys.vg-home.lv" LABEL="/home"
+NAME="debian--7-root (dm-0)" LABEL="root"
 BLKID_LABEL
       allow(plugin).to receive(:shell_out).with("lsblk -P -n -o NAME,LABEL").
         and_return(mock_shell_out(0, @stdout, ""))
@@ -385,7 +385,6 @@ BLKID_LABEL
     end
   end
 
-
   describe "when gathering data from /proc/mounts" do
     before(:each) do
       allow(File).to receive(:exist?).with("/proc/mounts").and_return(true)
@@ -422,15 +421,15 @@ MOUNTS
       plugin.run
       expect(plugin[:filesystem]["/dev/mapper/sys.vg-special.lv"][:mount]).to eq("/special")
     end
-  
+
     it "should set fs_type to value from /proc/mounts" do
       plugin.run
       expect(plugin[:filesystem]["/dev/mapper/sys.vg-special.lv"][:fs_type]).to eq("xfs")
     end
-  
+
     it "should set mount_options to an array of values from /proc/mounts" do
       plugin.run
-      expect(plugin[:filesystem]["/dev/mapper/sys.vg-special.lv"][:mount_options]).to eq([ "ro", "noatime", "attr2", "noquota" ])
+      expect(plugin[:filesystem]["/dev/mapper/sys.vg-special.lv"][:mount_options]).to eq(%w{ro noatime attr2 noquota})
     end
   end
 
diff --git a/spec/unit/plugins/linux/hostname_spec.rb b/spec/unit/plugins/linux/hostname_spec.rb
index f6eb5ffb..a7dba293 100644
--- a/spec/unit/plugins/linux/hostname_spec.rb
+++ b/spec/unit/plugins/linux/hostname_spec.rb
@@ -16,8 +16,7 @@
 # limitations under the License.
 #
 
-
-require File.expand_path(File.dirname(__FILE__) + '/../../../spec_helper.rb')
+require File.expand_path(File.dirname(__FILE__) + "/../../../spec_helper.rb")
 
 describe Ohai::System, "Linux hostname plugin" do
   before(:each) do
@@ -51,4 +50,3 @@ describe Ohai::System, "Linux hostname plugin" do
   end
 
 end
-
diff --git a/spec/unit/plugins/linux/kernel_spec.rb b/spec/unit/plugins/linux/kernel_spec.rb
index 0f964a3e..75313114 100644
--- a/spec/unit/plugins/linux/kernel_spec.rb
+++ b/spec/unit/plugins/linux/kernel_spec.rb
@@ -17,7 +17,7 @@
 # limitations under the License.
 #
 
-require File.expand_path(File.dirname(__FILE__) + '/../../../spec_helper.rb')
+require File.expand_path(File.dirname(__FILE__) + "/../../../spec_helper.rb")
 
 describe Ohai::System, "Linux kernel plugin" do
   before(:each) do
diff --git a/spec/unit/plugins/linux/lsb_spec.rb b/spec/unit/plugins/linux/lsb_spec.rb
index 162b4786..eac26412 100644
--- a/spec/unit/plugins/linux/lsb_spec.rb
+++ b/spec/unit/plugins/linux/lsb_spec.rb
@@ -16,8 +16,7 @@
 # limitations under the License.
 #
 
-
-require File.expand_path(File.dirname(__FILE__) + '/../../../spec_helper.rb')
+require File.expand_path(File.dirname(__FILE__) + "/../../../spec_helper.rb")
 
 # We do not alter case for lsb attributes and consume them as provided
 
diff --git a/spec/unit/plugins/linux/mdadm_spec.rb b/spec/unit/plugins/linux/mdadm_spec.rb
index 48ddd92f..2e8b533d 100644
--- a/spec/unit/plugins/linux/mdadm_spec.rb
+++ b/spec/unit/plugins/linux/mdadm_spec.rb
@@ -16,7 +16,7 @@
 #  limitations under the License.
 #
 
-require File.expand_path(File.dirname(__FILE__) + '/../../../spec_helper.rb')
+require File.expand_path(File.dirname(__FILE__) + "/../../../spec_helper.rb")
 
 describe Ohai::System, "Linux Mdadm Plugin" do
   before(:each) do
@@ -57,9 +57,9 @@ MD
     allow(@plugin).to receive(:collect_os).and_return(:linux)
     @double_file = double("/proc/mdstat")
     allow(@double_file).to receive(:each).
-    and_yield("Personalities : [raid1] [raid6] [raid5] [raid4] [linear] [multipath] [raid0] [raid10]").
-    and_yield("md0 : active raid10 sdh[5] sdg[4] sdf[3] sde[2] sdd[1] sdc[0]").
-    and_yield("      2929893888 blocks super 1.2 256K chunks 2 near-copies [6/6] [UUUUUU]")
+      and_yield("Personalities : [raid1] [raid6] [raid5] [raid4] [linear] [multipath] [raid0] [raid10]").
+      and_yield("md0 : active raid10 sdh[5] sdg[4] sdf[3] sde[2] sdd[1] sdc[0]").
+      and_yield("      2929893888 blocks super 1.2 256K chunks 2 near-copies [6/6] [UUUUUU]")
     allow(File).to receive(:open).with("/proc/mdstat").and_return(@double_file)
     allow(File).to receive(:exist?).with("/proc/mdstat").and_return(true)
     allow(@plugin).to receive(:shell_out).with("mdadm --detail /dev/md0").and_return(mock_shell_out(0, @md0, ""))
diff --git a/spec/unit/plugins/linux/memory_spec.rb b/spec/unit/plugins/linux/memory_spec.rb
index cb2fe1b8..fd5bfc39 100644
--- a/spec/unit/plugins/linux/memory_spec.rb
+++ b/spec/unit/plugins/linux/memory_spec.rb
@@ -14,7 +14,7 @@
 # limitations under the License.
 #
 
-require File.expand_path(File.dirname(__FILE__) + '/../../../spec_helper.rb')
+require File.expand_path(File.dirname(__FILE__) + "/../../../spec_helper.rb")
 
 describe Ohai::System, "Linux memory plugin" do
   before(:each) do
@@ -61,144 +61,140 @@ describe Ohai::System, "Linux memory plugin" do
     @plugin.run
     expect(@plugin[:memory][:total]).to eql("131932120kB")
   end
-  
+
   it "should get free memory" do
     @plugin.run
     expect(@plugin[:memory][:free]).to eql("2269032kB")
   end
-  
+
   it "should get memory used for file buffers" do
     @plugin.run
     expect(@plugin[:memory][:buffers]).to eql("646368kB")
   end
-  
+
   it "should get cache memory" do
     @plugin.run
     expect(@plugin[:memory][:cached]).to eql("32346556kB")
   end
-  
+
   it "should get active memory" do
     @plugin.run
     expect(@plugin[:memory][:active]).to eql("98595796kB")
   end
-  
+
   it "should get inactive memory" do
     @plugin.run
     expect(@plugin[:memory][:inactive]).to eql("18477320kB")
   end
-  
+
   it "should get high_total memory" do
     @plugin.run
     expect(@plugin[:memory][:high_total]).to eql("0kB")
   end
-  
+
   it "should get high_free memory" do
     @plugin.run
     expect(@plugin[:memory][:high_free]).to eql("0kB")
   end
-  
+
   it "should get low_total memory" do
     @plugin.run
     expect(@plugin[:memory][:low_total]).to eql("131932120kB")
   end
-  
+
   it "should get low_free memory" do
     @plugin.run
     expect(@plugin[:memory][:low_free]).to eql("2269032kB")
   end
-  
+
   it "should get dirty memory" do
     @plugin.run
     expect(@plugin[:memory][:dirty]).to eql("3212kB")
   end
-  
+
   it "should get writeback memory" do
     @plugin.run
     expect(@plugin[:memory][:writeback]).to eql("0kB")
   end
-  
+
   it "should get anon_pages memory" do
     @plugin.run
     expect(@plugin[:memory][:anon_pages]).to eql("84082132kB")
   end
-  
+
   it "should get mapped memory" do
     @plugin.run
     expect(@plugin[:memory][:mapped]).to eql("3445224kB")
   end
-  
-  
+
   it "should get slab memory" do
     @plugin.run
     expect(@plugin[:memory][:slab]).to eql("9892096kB")
   end
-  
+
   it "should get slab_reclaimable memory" do
     @plugin.run
     expect(@plugin[:memory][:slab_reclaimable]).to eql("362636kB")
   end
-  
+
   it "should get slab_reclaimable memory" do
     @plugin.run
     expect(@plugin[:memory][:slab_unreclaim]).to eql("18860kB")
   end
-  
+
   it "should get page_tables memory" do
     @plugin.run
     expect(@plugin[:memory][:page_tables]).to eql("1759332kB")
   end
-  
-  
+
   it "should get nfs_unstable memory" do
     @plugin.run
     expect(@plugin[:memory][:nfs_unstable]).to eql("0kB")
   end
-  
+
   it "should get bounce memory" do
     @plugin.run
     expect(@plugin[:memory][:bounce]).to eql("0kB")
   end
-  
+
   it "should get commit_limit memory" do
     @plugin.run
     expect(@plugin[:memory][:commit_limit]).to eql("148709328kB")
   end
-  
+
   it "should get committed_as memory" do
     @plugin.run
     expect(@plugin[:memory][:committed_as]).to eql("333717060kB")
   end
-  
+
   it "should get vmalloc_total memory" do
     @plugin.run
     expect(@plugin[:memory][:vmalloc_total]).to eql("34359738367kB")
   end
-  
+
   it "should get vmalloc_used memory" do
     @plugin.run
     expect(@plugin[:memory][:vmalloc_used]).to eql("276796kB")
   end
-  
+
   it "should get vmalloc_chunk memory" do
     @plugin.run
     expect(@plugin[:memory][:vmalloc_chunk]).to eql("34359461515kB")
   end
-  
+
   it "should get total swap" do
     @plugin.run
     expect(@plugin[:memory][:swap][:total]).to eql("16777208kB")
   end
-  
+
   it "should get cached swap" do
     @plugin.run
     expect(@plugin[:memory][:swap][:cached]).to eql("312kB")
   end
-  
+
   it "should get free swap" do
     @plugin.run
     expect(@plugin[:memory][:swap][:free]).to eql("14127356kB")
   end
-  
-  
-  
+
 end
diff --git a/spec/unit/plugins/linux/platform_spec.rb b/spec/unit/plugins/linux/platform_spec.rb
index bae9af29..0e924169 100644
--- a/spec/unit/plugins/linux/platform_spec.rb
+++ b/spec/unit/plugins/linux/platform_spec.rb
@@ -16,9 +16,8 @@
 # limitations under the License.
 #
 
-
-require File.expand_path(File.dirname(__FILE__) + '/../../../spec_helper.rb')
-require File.expand_path(File.dirname(__FILE__) + '/../../../spec_helper.rb')
+require File.expand_path(File.dirname(__FILE__) + "/../../../spec_helper.rb")
+require File.expand_path(File.dirname(__FILE__) + "/../../../spec_helper.rb")
 
 describe Ohai::System, "Linux plugin platform" do
 
@@ -203,9 +202,9 @@ describe Ohai::System, "Linux plugin platform" do
     end
 
     it "should set platform_version to kernel release" do
-      expect(@plugin).to receive(:`).with('uname -r').and_return('3.18.2-2-ARCH')
+      expect(@plugin).to receive(:`).with("uname -r").and_return("3.18.2-2-ARCH")
       @plugin.run
-      expect(@plugin[:platform_version]).to eq('3.18.2-2-ARCH')
+      expect(@plugin[:platform_version]).to eq("3.18.2-2-ARCH")
     end
   end
 
@@ -238,7 +237,7 @@ describe Ohai::System, "Linux plugin platform" do
       @plugin.run
       expect(@plugin[:platform]).to eq("alpine")
       expect(@plugin[:platform_family]).to eq("alpine")
-      expect(@plugin[:platform_version]).to eq('3.2.3')
+      expect(@plugin[:platform_version]).to eq("3.2.3")
     end
   end
 
@@ -257,9 +256,9 @@ describe Ohai::System, "Linux plugin platform" do
     end
 
     it "should set platform_version to kernel release" do
-      expect(@plugin).to receive(:`).with('uname -r').and_return('3.18.2-2-ARCH')
+      expect(@plugin).to receive(:`).with("uname -r").and_return("3.18.2-2-ARCH")
       @plugin.run
-      expect(@plugin[:platform_version]).to eq('3.18.2-2-ARCH')
+      expect(@plugin[:platform_version]).to eq("3.18.2-2-ARCH")
     end
 
   end
@@ -671,114 +670,114 @@ CISCO_RELEASE
 
   describe '#read_os_release_info' do
     let(:file_contents) { "COW=MOO\nDOG=\"BARK\"" }
-    it 'returns nil if the file does not exist' do
-      allow(File).to receive(:exist?).with('/etc/test-release').and_return(false)
-      expect(@plugin.read_os_release_info('/etc/test-release')).to be nil
+    it "returns nil if the file does not exist" do
+      allow(File).to receive(:exist?).with("/etc/test-release").and_return(false)
+      expect(@plugin.read_os_release_info("/etc/test-release")).to be nil
     end
 
-    it 'returns a hash of expected contents' do
-      allow(File).to receive(:exist?).with('/etc/test-release').and_return(true)
-      allow(File).to receive(:read).with('/etc/test-release').and_return(file_contents)
-      release_info = @plugin.read_os_release_info('/etc/test-release')
+    it "returns a hash of expected contents" do
+      allow(File).to receive(:exist?).with("/etc/test-release").and_return(true)
+      allow(File).to receive(:read).with("/etc/test-release").and_return(file_contents)
+      release_info = @plugin.read_os_release_info("/etc/test-release")
 
-      expect(release_info['COW']).to eq('MOO')
-      expect(release_info['DOG']).to eq('BARK')
+      expect(release_info["COW"]).to eq("MOO")
+      expect(release_info["DOG"]).to eq("BARK")
     end
   end
 
   describe '#os_release_info' do
-    context 'when CISCO_RELEASE_INFO is not populated' do
-      let(:release_info) { { 'ID' => 'os_id' } }
+    context "when CISCO_RELEASE_INFO is not populated" do
+      let(:release_info) { { "ID" => "os_id" } }
 
       before do
-        allow(File).to receive(:exist?).with('/etc/os-release').and_return(true)
-        allow(@plugin).to receive(:read_os_release_info).with('/etc/os-release').and_return(release_info)
+        allow(File).to receive(:exist?).with("/etc/os-release").and_return(true)
+        allow(@plugin).to receive(:read_os_release_info).with("/etc/os-release").and_return(release_info)
       end
 
-      it 'reads the os-release file' do
-        expect(@plugin).to receive(:read_os_release_info).with('/etc/os-release').and_return(release_info)
+      it "reads the os-release file" do
+        expect(@plugin).to receive(:read_os_release_info).with("/etc/os-release").and_return(release_info)
         @plugin.os_release_info
       end
 
-      it 'returns a hash of expected contents' do
-        expect(@plugin.os_release_info['ID']).to eq('os_id')
+      it "returns a hash of expected contents" do
+        expect(@plugin.os_release_info["ID"]).to eq("os_id")
       end
     end
 
-    context 'when CISCO_RELEASE_INFO is populated' do
-      let(:release_info) { { 'ID' => 'os_id', 'CISCO_RELEASE_INFO' => '/etc/cisco-release' } }
-      let(:cisco_release_info) { { 'ID' => 'cisco_id' } }
+    context "when CISCO_RELEASE_INFO is populated" do
+      let(:release_info) { { "ID" => "os_id", "CISCO_RELEASE_INFO" => "/etc/cisco-release" } }
+      let(:cisco_release_info) { { "ID" => "cisco_id" } }
 
       before do
-        allow(File).to receive(:exist?).with('/etc/os-release').and_return(true)
-        allow(File).to receive(:exist?).with('/etc/cisco-release').and_return(true)
-        allow(@plugin).to receive(:read_os_release_info).with('/etc/os-release').and_return(release_info)
-        allow(@plugin).to receive(:read_os_release_info).with('/etc/cisco-release').and_return(cisco_release_info)
+        allow(File).to receive(:exist?).with("/etc/os-release").and_return(true)
+        allow(File).to receive(:exist?).with("/etc/cisco-release").and_return(true)
+        allow(@plugin).to receive(:read_os_release_info).with("/etc/os-release").and_return(release_info)
+        allow(@plugin).to receive(:read_os_release_info).with("/etc/cisco-release").and_return(cisco_release_info)
       end
 
-      it 'reads the os-release AND the cisco-release file' do
-        expect(@plugin).to receive(:read_os_release_info).with('/etc/os-release').and_return(release_info)
-        expect(@plugin).to receive(:read_os_release_info).with('/etc/cisco-release').and_return(release_info)
+      it "reads the os-release AND the cisco-release file" do
+        expect(@plugin).to receive(:read_os_release_info).with("/etc/os-release").and_return(release_info)
+        expect(@plugin).to receive(:read_os_release_info).with("/etc/cisco-release").and_return(release_info)
         @plugin.os_release_info
       end
 
-      it 'returns the ID from the cisco-release file instead of the os-release file' do
-        expect(@plugin.os_release_info['ID']).to eq('cisco_id')
+      it "returns the ID from the cisco-release file instead of the os-release file" do
+        expect(@plugin.os_release_info["ID"]).to eq("cisco_id")
       end
     end
   end
 
-  describe 'on Wind River Linux 5 for Cisco Nexus' do
+  describe "on Wind River Linux 5 for Cisco Nexus" do
     let(:have_os_release) { true }
     let(:os_release_info) do
       {
-        'ID'                 => 'nexus',
-        'ID_LIKE'            => 'wrlinux',
-        'NAME'               => 'Nexus',
-        'VERSION'            => '7.0(3)I2(0.475E.6)',
-        'VERSION_ID'         => '7.0(3)I2',
-        'PRETTY_NAME'        => 'Nexus 7.0(3)I2',
-        'HOME_URL'           => 'http://www.cisco.com',
-        'BUILD_ID'           => '6',
-        'CISCO_RELEASE_INFO' => '/etc/os-release'
+        "ID"                 => "nexus",
+        "ID_LIKE"            => "wrlinux",
+        "NAME"               => "Nexus",
+        "VERSION"            => "7.0(3)I2(0.475E.6)",
+        "VERSION_ID"         => "7.0(3)I2",
+        "PRETTY_NAME"        => "Nexus 7.0(3)I2",
+        "HOME_URL"           => "http://www.cisco.com",
+        "BUILD_ID"           => "6",
+        "CISCO_RELEASE_INFO" => "/etc/os-release",
       }
     end
 
-    it 'should set platform to nexus and platform_family to wrlinux' do
+    it "should set platform to nexus and platform_family to wrlinux" do
       allow(@plugin).to receive(:os_release_info).and_return(os_release_info)
       @plugin.lsb = nil
       @plugin.run
 
-      expect(@plugin[:platform]).to eq('nexus')
-      expect(@plugin[:platform_family]).to eq('wrlinux')
-      expect(@plugin[:platform_version]).to eq('7.0(3)I2(0.475E.6)')
+      expect(@plugin[:platform]).to eq("nexus")
+      expect(@plugin[:platform_family]).to eq("wrlinux")
+      expect(@plugin[:platform_version]).to eq("7.0(3)I2(0.475E.6)")
     end
   end
 
-  describe 'on Wind River Linux 7 for Cisco IOS-XR' do
+  describe "on Wind River Linux 7 for Cisco IOS-XR" do
     let(:have_os_release) { true }
     let(:os_release_info) do
       {
-        'ID'          => 'ios_xr',
-        'ID_LIKE'     => 'cisco-wrlinux wrlinux',
-        'NAME'        => 'IOS XR',
-        'VERSION'     => '6.0.0.14I',
-        'VERSION_ID'  => '6.0.0.14I',
-        'PRETTY_NAME' => 'Cisco IOS XR Software, Version 6.0.0.14I',
-        'BUILD_ID'    => '2015-09-10-15-50-17',
-        'HOME_URL'    => 'http://www.cisco.com',
-        'CISCO_RELEASE_INFO' => '/etc/os-release'
+        "ID"          => "ios_xr",
+        "ID_LIKE"     => "cisco-wrlinux wrlinux",
+        "NAME"        => "IOS XR",
+        "VERSION"     => "6.0.0.14I",
+        "VERSION_ID"  => "6.0.0.14I",
+        "PRETTY_NAME" => "Cisco IOS XR Software, Version 6.0.0.14I",
+        "BUILD_ID"    => "2015-09-10-15-50-17",
+        "HOME_URL"    => "http://www.cisco.com",
+        "CISCO_RELEASE_INFO" => "/etc/os-release",
       }
     end
 
-    it 'should set platform to ios_xr and platform_family to wrlinux' do
+    it "should set platform to ios_xr and platform_family to wrlinux" do
       allow(@plugin).to receive(:os_release_info).and_return(os_release_info)
       @plugin.lsb = nil
       @plugin.run
 
-      expect(@plugin[:platform]).to eq('ios_xr')
-      expect(@plugin[:platform_family]).to eq('wrlinux')
-      expect(@plugin[:platform_version]).to eq('6.0.0.14I')
+      expect(@plugin[:platform]).to eq("ios_xr")
+      expect(@plugin[:platform_family]).to eq("wrlinux")
+      expect(@plugin[:platform_version]).to eq("6.0.0.14I")
     end
   end
 end
diff --git a/spec/unit/plugins/linux/uptime_spec.rb b/spec/unit/plugins/linux/uptime_spec.rb
index 32cf110f..4bdc46de 100644
--- a/spec/unit/plugins/linux/uptime_spec.rb
+++ b/spec/unit/plugins/linux/uptime_spec.rb
@@ -16,8 +16,7 @@
 # limitations under the License.
 #
 
-
-require File.expand_path(File.dirname(__FILE__) + '/../../../spec_helper.rb')
+require File.expand_path(File.dirname(__FILE__) + "/../../../spec_helper.rb")
 
 describe Ohai::System, "Linux plugin uptime" do
   before(:each) do
diff --git a/spec/unit/plugins/linux/virtualization_spec.rb b/spec/unit/plugins/linux/virtualization_spec.rb
index 1ed15659..91afd507 100644
--- a/spec/unit/plugins/linux/virtualization_spec.rb
+++ b/spec/unit/plugins/linux/virtualization_spec.rb
@@ -16,7 +16,7 @@
 # limitations under the License.
 #
 
-require File.expand_path(File.dirname(__FILE__) + '/../../../spec_helper.rb')
+require File.expand_path(File.dirname(__FILE__) + "/../../../spec_helper.rb")
 
 describe Ohai::System, "Linux virtualization platform" do
   let(:plugin) { get_plugin("linux/virtualization") }
@@ -72,7 +72,7 @@ describe Ohai::System, "Linux virtualization platform" do
     it "does not set virtualization if xen isn't there" do
       expect(File).to receive(:exist?).at_least(:once).and_return(false)
       plugin.run
-      expect(plugin[:virtualization]).to eq({'systems' => {}})
+      expect(plugin[:virtualization]).to eq({ "systems" => {} })
     end
   end
 
@@ -116,7 +116,7 @@ describe Ohai::System, "Linux virtualization platform" do
     it "does not set virtualization if kvm isn't there" do
       expect(File).to receive(:exist?).at_least(:once).and_return(false)
       plugin.run
-      expect(plugin[:virtualization]).to eq({'systems' => {}})
+      expect(plugin[:virtualization]).to eq({ "systems" => {} })
     end
   end
 
@@ -142,7 +142,7 @@ describe Ohai::System, "Linux virtualization platform" do
     it "does not set virtualization if vbox isn't there" do
       expect(File).to receive(:exist?).at_least(:once).and_return(false)
       plugin.run
-      expect(plugin[:virtualization]).to eq({'systems' => {}})
+      expect(plugin[:virtualization]).to eq({ "systems" => {} })
     end
   end
 
@@ -152,7 +152,7 @@ describe Ohai::System, "Linux virtualization platform" do
     end
 
     it "sets virtualpc guest if dmidecode detects Microsoft Virtual Machine" do
-      ms_vpc_dmidecode=<<-MSVPC
+      ms_vpc_dmidecode = <<-MSVPC
 System Information
   Manufacturer: Microsoft Corporation
   Product Name: Virtual Machine
@@ -169,7 +169,7 @@ MSVPC
     end
 
     it "sets hyperv guest if dmidecode detects Hyper-V or version 7.0" do
-      ms_hv_dmidecode=<<-MSHV
+      ms_hv_dmidecode = <<-MSHV
 System Information
         Manufacturer: Microsoft Corporation
         Product Name: Virtual Machine
@@ -186,7 +186,7 @@ MSHV
     end
 
     it "sets virtualserver guest if dmidecode detects version 5.0" do
-      ms_vs_dmidecode=<<-MSVS
+      ms_vs_dmidecode = <<-MSVS
 System Information
   Manufacturer: Microsoft Corporation
   Product Name: Virtual Machine
@@ -203,7 +203,7 @@ MSVS
     end
 
     it "sets vmware guest if dmidecode detects VMware" do
-      vmware_dmidecode=<<-VMWARE
+      vmware_dmidecode = <<-VMWARE
 System Information
   Manufacturer: VMware, Inc.
   Product Name: VMware Virtual Platform
@@ -222,7 +222,7 @@ VMWARE
     end
 
     it "sets vbox guest if dmidecode detects VirtualBox" do
-      vbox_dmidecode=<<-VBOX
+      vbox_dmidecode = <<-VBOX
 Base Board Information
   Manufacturer: Oracle Corporation
   Product Name: VirtualBox
@@ -243,7 +243,7 @@ VBOX
     end
 
     it "sets openstack guest if dmidecode detects OpenStack" do
-      openstack_dmidecode=<<-OPENSTACK
+      openstack_dmidecode = <<-OPENSTACK
 System Information
         Manufacturer: Red Hat Inc.
         Product Name: OpenStack Nova
@@ -262,7 +262,7 @@ OPENSTACK
     end
 
     it "sets kvm guest if dmidecode contains KVM" do
-      kvm_dmidecode=<<-RKVM
+      kvm_dmidecode = <<-RKVM
 System Information
   Manufacturer: Red Hat
   Product Name: KVM
@@ -281,7 +281,7 @@ RKVM
     end
 
     it "sets kvm guest if dmidecode detects RHEV" do
-      kvm_dmidecode=<<-RHEV
+      kvm_dmidecode = <<-RHEV
 System Information
   Manufacturer: Red Hat
   Product Name: RHEV Hypervisor
@@ -302,7 +302,7 @@ RHEV
     it "should run dmidecode and not set virtualization if nothing is detected" do
       allow(plugin).to receive(:shell_out).with("dmidecode").and_return(mock_shell_out(0, "", ""))
       plugin.run
-      expect(plugin[:virtualization]).to eq({'systems' => {}})
+      expect(plugin[:virtualization]).to eq({ "systems" => {} })
     end
   end
 
@@ -313,7 +313,7 @@ RHEV
       plugin.run
       expect(plugin[:virtualization][:system]).to eq("linux-vserver")
       expect(plugin[:virtualization][:role]).to eq("host")
-      expect(plugin[:virtualization][:systems]['linux-vserver']).to eq("host")
+      expect(plugin[:virtualization][:systems]["linux-vserver"]).to eq("host")
     end
 
     it "sets Linux-VServer host if /proc/self/status contains VxID: 0" do
@@ -322,7 +322,7 @@ RHEV
       plugin.run
       expect(plugin[:virtualization][:system]).to eq("linux-vserver")
       expect(plugin[:virtualization][:role]).to eq("host")
-      expect(plugin[:virtualization][:systems]['linux-vserver']).to eq("host")
+      expect(plugin[:virtualization][:systems]["linux-vserver"]).to eq("host")
     end
 
     it "sets Linux-VServer host if /proc/self/status contains multiple space VxID:   0" do
@@ -331,7 +331,7 @@ RHEV
       plugin.run
       expect(plugin[:virtualization][:system]).to eq("linux-vserver")
       expect(plugin[:virtualization][:role]).to eq("host")
-      expect(plugin[:virtualization][:systems]['linux-vserver']).to eq("host")
+      expect(plugin[:virtualization][:systems]["linux-vserver"]).to eq("host")
     end
 
     it "sets Linux-VServer host if /proc/self/status contains tabbed VxID:\t0" do
@@ -340,7 +340,7 @@ RHEV
       plugin.run
       expect(plugin[:virtualization][:system]).to eq("linux-vserver")
       expect(plugin[:virtualization][:role]).to eq("host")
-      expect(plugin[:virtualization][:systems]['linux-vserver']).to eq("host")
+      expect(plugin[:virtualization][:systems]["linux-vserver"]).to eq("host")
     end
 
     it "sets Linux-VServer guest if /proc/self/status contains s_context > 0" do
@@ -349,7 +349,7 @@ RHEV
       plugin.run
       expect(plugin[:virtualization][:system]).to eq("linux-vserver")
       expect(plugin[:virtualization][:role]).to eq("guest")
-      expect(plugin[:virtualization][:systems]['linux-vserver']).to eq("guest")
+      expect(plugin[:virtualization][:systems]["linux-vserver"]).to eq("guest")
     end
 
     it "sets Linux-VServer guest if /proc/self/status contains VxID > 0" do
@@ -358,13 +358,13 @@ RHEV
       plugin.run
       expect(plugin[:virtualization][:system]).to eq("linux-vserver")
       expect(plugin[:virtualization][:role]).to eq("guest")
-      expect(plugin[:virtualization][:systems]['linux-vserver']).to eq("guest")
+      expect(plugin[:virtualization][:systems]["linux-vserver"]).to eq("guest")
     end
 
     it "does not set virtualization if Linux-VServer isn't there" do
       expect(File).to receive(:exist?).at_least(:once).and_return(false)
       plugin.run
-      expect(plugin[:virtualization]).to eq({'systems' => {}})
+      expect(plugin[:virtualization]).to eq({ "systems" => {} })
     end
   end
 
@@ -390,13 +390,13 @@ RHEV
       expect(File).to receive(:exist?).with("/proc/bc/0").and_return(false)
       expect(File).to receive(:exist?).with("/proc/vz").and_return(false)
       plugin.run
-      expect(plugin[:virtualization]).to eq({'systems' => {}})
+      expect(plugin[:virtualization]).to eq({ "systems" => {} })
     end
   end
 
   describe "when we are checking for parallels" do
     it "sets parallels guest if /proc/bus/pci/devices contains 1ab84000" do
-      devices=<<-DEVICES
+      devices = <<-DEVICES
 0018	1ab84000	1f	            8001	               0	               0	               0	               0	               0	               0	              20	               0	               0	               0	               0	               0	               0	prl_tg
 0028	1af41000	17	            8201	        ee000000	               0	               0	               0	               0	               0	              40	            1000	               0	               0	               0	               0	               0	virtio-pci
       DEVICES
@@ -409,20 +409,20 @@ RHEV
     end
 
     it "does not set virtualization if /proc/bus/pci/devices not contains 1ab84000" do
-      devices=<<-DEVICES
+      devices = <<-DEVICES
 0030	1af41000	a	            8401	        ee040000	               0	               0	               0	               0	               0	              40	            1000	               0	               0	               0	               0	               0	virtio-pci
 0050	10110022	0	               0	               0	               0	               0	               0	               0	               0	               0	               0	               0	               0	               0	               0	               0
       DEVICES
       expect(File).to receive(:exist?).with("/proc/bus/pci/devices").and_return(true)
       allow(File).to receive(:read).with("/proc/bus/pci/devices").and_return(devices)
       plugin.run
-      expect(plugin[:virtualization]).to eq({'systems' => {}})
+      expect(plugin[:virtualization]).to eq({ "systems" => {} })
     end
   end
 
   describe "when we are checking for lxc" do
     it "sets lxc guest if /proc/self/cgroup exist and there are /lxc/<hexadecimal> mounts" do
-      self_cgroup=<<-CGROUP
+      self_cgroup = <<-CGROUP
 8:blkio:/lxc/baa660ed81bc81d262ac6e19486142aeec5fce2043e2a173eb2505c6fbed89bc
 7:net_cls:/lxc/baa660ed81bc81d262ac6e19486142aeec5fce2043e2a173eb2505c6fbed89bc
 6:freezer:/lxc/baa660ed81bc81d262ac6e19486142aeec5fce2043e2a173eb2505c6fbed89bc
@@ -441,7 +441,7 @@ CGROUP
     end
 
     it "sets lxc guest if /proc/self/cgroup exist and there are /lxc/<name> mounts" do
-      self_cgroup=<<-CGROUP
+      self_cgroup = <<-CGROUP
 8:blkio:/lxc/vanilla
 7:net_cls:/lxc/vanilla
 6:freezer:/lxc/vanilla
@@ -460,7 +460,7 @@ CGROUP
     end
 
     it "sets not set anything if /proc/self/cgroup exist and the cgroup is named arbitrarily, it isn't necessarily lxc." do
-      self_cgroup=<<-CGROUP
+      self_cgroup = <<-CGROUP
 8:blkio:/Charlie
 7:net_cls:/Charlie
 6:freezer:/Charlie
@@ -473,12 +473,12 @@ CGROUP
       expect(File).to receive(:exist?).with("/proc/self/cgroup").and_return(true)
       allow(File).to receive(:read).with("/proc/self/cgroup").and_return(self_cgroup)
       plugin.run
-      expect(plugin[:virtualization]).to eq({'systems' => {}})
+      expect(plugin[:virtualization]).to eq({ "systems" => {} })
     end
 
     context "/proc/self/cgroup only has / mounts" do
       before(:each) do
-        self_cgroup=<<-CGROUP
+        self_cgroup = <<-CGROUP
 8:blkio:/
 7:net_cls:/
 6:freezer:/
@@ -515,7 +515,7 @@ CGROUP
         plugin.run
         expect(plugin[:virtualization][:system]).to be_nil
         expect(plugin[:virtualization][:role]).to be_nil
-        expect(plugin[:virtualization]).to eq({'systems' => {}})
+        expect(plugin[:virtualization]).to eq({ "systems" => {} })
       end
 
     end
@@ -523,13 +523,13 @@ CGROUP
     it "does not set virtualization if /proc/self/cgroup isn't there" do
       expect(File).to receive(:exist?).with("/proc/self/cgroup").and_return(false)
       plugin.run
-      expect(plugin[:virtualization]).to eq({'systems' => {}})
+      expect(plugin[:virtualization]).to eq({ "systems" => {} })
     end
   end
 
   describe "when we are checking for docker" do
     it "sets docker guest if /proc/self/cgroup exist and there are /docker/<hexadecimal> mounts" do
-      self_cgroup=<<-CGROUP
+      self_cgroup = <<-CGROUP
 8:blkio:/docker/baa660ed81bc81d262ac6e19486142aeec5fce2043e2a173eb2505c6fbed89bc
 7:net_cls:/docker/baa660ed81bc81d262ac6e19486142aeec5fce2043e2a173eb2505c6fbed89bc
 6:freezer:/docker/baa660ed81bc81d262ac6e19486142aeec5fce2043e2a173eb2505c6fbed89bc
@@ -548,7 +548,7 @@ CGROUP
     end
 
     it "sets docker guest if /proc/self/cgroup exist and there are /docker/<name> mounts" do
-      self_cgroup=<<-CGROUP
+      self_cgroup = <<-CGROUP
 8:blkio:/docker/vanilla
 7:net_cls:/docker/vanilla
 6:freezer:/docker/vanilla
@@ -569,7 +569,7 @@ CGROUP
     # Relevant at least starting docker 1.6.2, kernel 4.0.5 & systemd 224-1.
     # Doi not exactly know which software/version really matters here.
     it "should set docker guest if /proc/self/cgroup exists and there are /system.slice/docker-<hexadecimal> mounts (systemd managed cgroup)" do
-      self_cgroup=<<-CGROUP
+      self_cgroup = <<-CGROUP
 8:devices:/system.slice/docker-47341c91be8d491cb3b8a475ad5b4aef6e79bf728cbb351c384e4a6c410f172f.scope
 7:cpuset:/system.slice/docker-47341c91be8d491cb3b8a475ad5b4aef6e79bf728cbb351c384e4a6c410f172f.scope
 6:blkio:/system.slice/docker-47341c91be8d491cb3b8a475ad5b4aef6e79bf728cbb351c384e4a6c410f172f.scope
@@ -588,7 +588,7 @@ CGROUP
     end
 
     it "sets not set anything if /proc/self/cgroup exist and the cgroup is named arbitrarily, it isn't necessarily lxc." do
-      self_cgroup=<<-CGROUP
+      self_cgroup = <<-CGROUP
 8:blkio:/Charlie
 7:net_cls:/Charlie
 6:freezer:/Charlie
@@ -601,12 +601,12 @@ CGROUP
       allow(File).to receive(:exist?).with("/proc/self/cgroup").and_return(true)
       allow(File).to receive(:read).with("/proc/self/cgroup").and_return(self_cgroup)
       plugin.run
-      expect(plugin[:virtualization]).to eq({'systems' => {}})
+      expect(plugin[:virtualization]).to eq({ "systems" => {} })
     end
 
     context "/proc/self/cgroup only has / mounts" do
       before(:each) do
-        self_cgroup=<<-CGROUP
+        self_cgroup = <<-CGROUP
 8:blkio:/
 7:net_cls:/
 6:freezer:/
@@ -619,7 +619,7 @@ CGROUP
         allow(File).to receive(:exist?).with("/proc/self/cgroup").and_return(true)
         allow(File).to receive(:read).with("/proc/self/cgroup").and_return(self_cgroup)
         plugin.run
-        expect(plugin[:virtualization]).to eq({'systems' => {}})
+        expect(plugin[:virtualization]).to eq({ "systems" => {} })
       end
 
     end
@@ -639,13 +639,13 @@ CGROUP
       plugin.run
       expect(plugin[:virtualization][:system]).to be_nil
       expect(plugin[:virtualization][:role]).to be_nil
-      expect(plugin[:virtualization]).to eq({'systems' => {}})
+      expect(plugin[:virtualization]).to eq({ "systems" => {} })
     end
 
     it "does not set virtualization if /proc/self/cgroup isn't there" do
       allow(File).to receive(:exist?).with("/proc/self/cgroup").and_return(false)
       plugin.run
-      expect(plugin[:virtualization]).to eq({'systems' => {}})
+      expect(plugin[:virtualization]).to eq({ "systems" => {} })
     end
 
     it "sets virtualization if /.dockerenv exists" do
@@ -668,13 +668,13 @@ CGROUP
       allow(File).to receive(:exist?).with("/.dockerenv").and_return(false)
       allow(File).to receive(:exist?).with("/.dockerinit").and_return(false)
       plugin.run
-      expect(plugin[:virtualization]).to eq({'systems' => {}})
+      expect(plugin[:virtualization]).to eq({ "systems" => {} })
     end
 
   end
 
   it "does not set virtualization if no tests match" do
     plugin.run
-    expect(plugin[:virtualization]).to eq({'systems' => {}})
+    expect(plugin[:virtualization]).to eq({ "systems" => {} })
   end
 end
diff --git a/spec/unit/plugins/lua_spec.rb b/spec/unit/plugins/lua_spec.rb
index 1698c7cd..056f30ee 100644
--- a/spec/unit/plugins/lua_spec.rb
+++ b/spec/unit/plugins/lua_spec.rb
@@ -18,8 +18,7 @@
 # limitations under the License.
 #
 
-
-require File.expand_path(File.join(File.dirname(__FILE__), '..', '..', '/spec_helper.rb'))
+require File.expand_path(File.join(File.dirname(__FILE__), "..", "..", "/spec_helper.rb"))
 
 describe Ohai::System, "plugin lua" do
 
diff --git a/spec/unit/plugins/mono_spec.rb b/spec/unit/plugins/mono_spec.rb
index 952e00b0..6d4a3534 100644
--- a/spec/unit/plugins/mono_spec.rb
+++ b/spec/unit/plugins/mono_spec.rb
@@ -16,8 +16,7 @@
 # limitations under the License.
 #
 
-
-require File.expand_path(File.join(File.dirname(__FILE__), '..', '..', '/spec_helper.rb'))
+require File.expand_path(File.join(File.dirname(__FILE__), "..", "..", "/spec_helper.rb"))
 
 describe Ohai::System, "plugin mono" do
 
diff --git a/spec/unit/plugins/netbsd/hostname_spec.rb b/spec/unit/plugins/netbsd/hostname_spec.rb
index 7b955c17..4486a4c9 100644
--- a/spec/unit/plugins/netbsd/hostname_spec.rb
+++ b/spec/unit/plugins/netbsd/hostname_spec.rb
@@ -16,8 +16,7 @@
 # limitations under the License.
 #
 
-
-require File.expand_path(File.dirname(__FILE__) + '/../../../spec_helper.rb')
+require File.expand_path(File.dirname(__FILE__) + "/../../../spec_helper.rb")
 
 describe Ohai::System, "NetBSD hostname plugin" do
   before(:each) do
diff --git a/spec/unit/plugins/netbsd/kernel_spec.rb b/spec/unit/plugins/netbsd/kernel_spec.rb
index dc5a3fd8..6b716efc 100644
--- a/spec/unit/plugins/netbsd/kernel_spec.rb
+++ b/spec/unit/plugins/netbsd/kernel_spec.rb
@@ -16,8 +16,7 @@
 # limitations under the License.
 #
 
-
-require File.expand_path(File.dirname(__FILE__) + '/../../../spec_helper.rb')
+require File.expand_path(File.dirname(__FILE__) + "/../../../spec_helper.rb")
 
 describe Ohai::System, "NetBSD kernel plugin" do
   before(:each) do
diff --git a/spec/unit/plugins/netbsd/platform_spec.rb b/spec/unit/plugins/netbsd/platform_spec.rb
index 381fd339..37da17ab 100644
--- a/spec/unit/plugins/netbsd/platform_spec.rb
+++ b/spec/unit/plugins/netbsd/platform_spec.rb
@@ -16,7 +16,7 @@
 # limitations under the License.
 #
 
-require File.expand_path(File.dirname(__FILE__) + '/../../../spec_helper.rb')
+require File.expand_path(File.dirname(__FILE__) + "/../../../spec_helper.rb")
 
 describe Ohai::System, "NetBSD plugin platform" do
   before(:each) do
diff --git a/spec/unit/plugins/network_spec.rb b/spec/unit/plugins/network_spec.rb
index 5b426334..8e37b24f 100644
--- a/spec/unit/plugins/network_spec.rb
+++ b/spec/unit/plugins/network_spec.rb
@@ -16,7 +16,7 @@
 #  limitations under the License.
 #
 
-require File.expand_path(File.dirname(__FILE__) + '/../../spec_helper.rb')
+require File.expand_path(File.dirname(__FILE__) + "/../../spec_helper.rb")
 
 def it_doesnt_fail
   it "doesnt fail" do
@@ -55,7 +55,7 @@ describe Ohai::System, "Network Plugin" do
           "vr0" => {
             "type" => "vr",
             "number" => "0",
-            "flags" => ["UP", "BROADCAST", "RUNNING", "SIMPLEX", "MULTICAST"],
+            "flags" => %w{UP BROADCAST RUNNING SIMPLEX MULTICAST},
             "addresses" => {
               "00:00:24:c9:5e:b8" => {
                 "family" => "lladdr"
@@ -64,23 +64,23 @@ describe Ohai::System, "Network Plugin" do
                 "family" => "inet6",
                 "zoneid" => "vr0",
                 "prefixlen" => "64",
-                "scopeid" => "0x1"
+                "scopeid" => "0x1",
               },
               "76.91.1.255" => {
                 "family" => "inet",
                 "netmask" => "255.255.252.0",
-                "broadcast" => "255.255.255.255"
-              }
+                "broadcast" => "255.255.255.255",
+              },
             },
             "arp" => {
               "76.91.1.255" => "00:00:24:c9:5e:b8",
-              "76.91.0.1" => "00:01:5c:24:8c:01"
-            }
+              "76.91.0.1" => "00:01:5c:24:8c:01",
+            },
           },
           "vr1" => {
             "type" => "vr",
             "number" => "1",
-            "flags" => ["UP", "BROADCAST", "RUNNING", "PROMISC", "SIMPLEX", "MULTICAST"],
+            "flags" => %w{UP BROADCAST RUNNING PROMISC SIMPLEX MULTICAST},
             "addresses" => {
               "00:00:24:c9:5e:b9" => {
                 "family" => "lladdr"
@@ -89,14 +89,14 @@ describe Ohai::System, "Network Plugin" do
                 "family" => "inet6",
                 "zoneid" => "vr1",
                 "prefixlen" => "64",
-                "scopeid" => "0x2"
-              }
-            }
+                "scopeid" => "0x2",
+              },
+            },
           },
           "vr2" => {
             "type" => "vr",
             "number" => "2",
-            "flags" => ["UP", "BROADCAST", "RUNNING", "PROMISC", "SIMPLEX", "MULTICAST"],
+            "flags" => %w{UP BROADCAST RUNNING PROMISC SIMPLEX MULTICAST},
             "addresses" => {
               "00:00:24:c9:5e:ba" => {
                 "family" => "lladdr"
@@ -105,14 +105,14 @@ describe Ohai::System, "Network Plugin" do
                 "family" => "inet6",
                 "zoneid" => "vr2",
                 "prefixlen" => "64",
-                "scopeid" => "0x3"
-              }
-            }
+                "scopeid" => "0x3",
+              },
+            },
           },
           "vr3" => {
             "type" => "vr",
             "number" => "3",
-            "flags" => ["UP", "BROADCAST", "RUNNING", "PROMISC", "SIMPLEX", "MULTICAST"],
+            "flags" => %w{UP BROADCAST RUNNING PROMISC SIMPLEX MULTICAST},
             "addresses" => {
               "00:00:24:c9:5e:bb" => {
                 "family" => "lladdr"
@@ -121,60 +121,60 @@ describe Ohai::System, "Network Plugin" do
                 "family" => "inet6",
                 "zoneid" => "vr3",
                 "prefixlen" => "64",
-                "scopeid" => "0x4"
-              }
-            }
+                "scopeid" => "0x4",
+              },
+            },
           },
           "ipfw0" => {
             # OHAI-492: Ensure network plugin works with interfaces without addresses.
             "type" => "ipfw",
             "number" => "0",
-            "flags" => ["UP", "SIMPLEX", "MULTICAST"]
+            "flags" => %w{UP SIMPLEX MULTICAST},
           },
           "lo0" => {
             "type" => "lo",
             "number" => "0",
-            "flags" => ["UP", "LOOPBACK", "RUNNING", "MULTICAST"],
+            "flags" => %w{UP LOOPBACK RUNNING MULTICAST},
             "addresses" => {
               "127.0.0.1" => {
                 "family" => "inet",
-                "netmask" => "255.0.0.0"
+                "netmask" => "255.0.0.0",
               },
               "::1" => {
                 "family" => "inet6",
-                "prefixlen" => "128"
+                "prefixlen" => "128",
               },
               "fe80::1" => {
                 "family" => "inet6",
                 "zoneid" => "lo0",
                 "prefixlen" => "64",
-                "scopeid" => "0x8"
-              }
-            }
+                "scopeid" => "0x8",
+              },
+            },
           },
           "bridge0" => {
             "type" => "bridge",
             "number" => "0",
-            "flags" => ["LEARNING", "DISCOVER", "AUTOEDGE", "AUTOPTP"],
+            "flags" => %w{LEARNING DISCOVER AUTOEDGE AUTOPTP},
             "addresses" => {
               "02:20:6f:d2:c4:00" => {
-                "family"=>"lladdr"
+                "family" => "lladdr"
               },
               "192.168.2.1" => {
                 "family" => "inet",
                 "netmask" => "255.255.255.0",
-                "broadcast" => "192.168.2.255"
+                "broadcast" => "192.168.2.255",
               },
               "2001:470:d:cb4::1" => {
                 "family" => "inet6",
-                "prefixlen" => "64"
+                "prefixlen" => "64",
               },
               "fe80::cafe:babe:dead:beef" => {
                 "family" => "inet6",
                 "zoneid" => "bridge0",
                 "prefixlen" => "64",
-                "scopeid" => "0x9"
-              }
+                "scopeid" => "0x9",
+              },
             },
             "arp" => {
               "192.168.2.142" => "60:67:20:75:a2:0c",
@@ -184,27 +184,27 @@ describe Ohai::System, "Network Plugin" do
               "192.168.2.135" => "f8:0c:f3:d7:c6:b6",
               "192.168.2.165" => "f8:8f:ca:24:49:ad",
               "192.168.2.158" => "48:5d:60:1f:ea:d1",
-              "192.168.2.150" => "60:a4:4c:60:b3:d9"
-            }
+              "192.168.2.150" => "60:a4:4c:60:b3:d9",
+            },
           },
           "gif0" => {
             "type" => "gif",
             "number" => "0",
-            "flags" => ["UP", "POINTOPOINT", "RUNNING", "MULTICAST"],
+            "flags" => %w{UP POINTOPOINT RUNNING MULTICAST},
             "addresses" => {
               "fe80::200:24ff:fec9:5eb8" => {
                 "family" => "inet6",
                 "zoneid" => "gif0",
                 "prefixlen" => "64",
-                "scopeid" => "0xa"
+                "scopeid" => "0xa",
               }
-            }
-          }
+            },
+          },
         },
         "default_gateway" => "76.91.0.1",
         "default_interface" => "vr0",
         "default_inet6_gateway" => "2001:470:d:cb4::2",
-        "default_inet6_interface" => "bridge0"
+        "default_inet6_interface" => "bridge0",
       }
     },
     "linux" => {
@@ -213,32 +213,32 @@ describe Ohai::System, "Network Plugin" do
         # have just removed the neighbour and route entries by hand
         "interfaces" => {
           "lo" => {
-            "flags" => ["LOOPBACK", "UP"],
+            "flags" => %w{LOOPBACK UP},
             "addresses" => {
               "::1" => {
                 "scope" => "Node",
                 "prefixlen" => "128",
-                "family" => "inet6"
+                "family" => "inet6",
               },
               "127.0.0.1" => {
                 "scope" => "Node",
                 "netmask" => "255.0.0.0",
                 "prefixlen" => "8",
-                "family" => "inet"
-              }
+                "family" => "inet",
+              },
             },
             "mtu" => "16436",
             "encapsulation" => "Loopback",
-            "state" => "unknown"
+            "state" => "unknown",
           },
           "eth0" => {
-            "flags" => ["BROADCAST", "MULTICAST", "UP"],
+            "flags" => %w{BROADCAST MULTICAST UP},
             "number" => "0",
             "addresses" => {
               "fe80::216:3eff:fe2f:3679" => {
                 "scope" => "Link",
                 "prefixlen" => "64",
-                "family" => "inet6"
+                "family" => "inet6",
               },
               "00:16:3E:2F:36:79" => {
                 "family" => "lladdr"
@@ -248,27 +248,27 @@ describe Ohai::System, "Network Plugin" do
                 "netmask" => "255.255.255.0",
                 "broadcast" => "192.168.66.255",
                 "prefixlen" => "24",
-                "family" => "inet"
+                "family" => "inet",
               },
               "3ffe:1111:2222::33" => {
                 "prefixlen" => "48",
                 "family" => "inet6",
                 "scope" => "Global",
-                "state" => "up"
-              }
+                "state" => "up",
+              },
             },
             "mtu" => "1500",
             "type" => "eth",
-            "encapsulation" => "Ethernet"
+            "encapsulation" => "Ethernet",
           },
           "eth1" => {
-            "flags" => ["BROADCAST", "MULTICAST", "UP"],
+            "flags" => %w{BROADCAST MULTICAST UP},
             "number" => "1",
             "addresses" => {
               "fe80::216:3eff:fe2f:3680" => {
                 "scope" => "Link",
                 "prefixlen" => "64",
-                "family" => "inet6"
+                "family" => "inet6",
               },
               "00:16:3E:2F:36:80" => {
                 "family" => "lladdr"
@@ -278,23 +278,23 @@ describe Ohai::System, "Network Plugin" do
                 "netmask" => "255.255.255.0",
                 "broadcast" => "192.168.99.255",
                 "prefixlen" => "24",
-                "family" => "inet"
+                "family" => "inet",
               },
               "3ffe:1111:3333::1" => {
                 "prefixlen" => "48",
                 "family" => "inet6",
-                "scope" => "Global"
-              }
+                "scope" => "Global",
+              },
             },
             "mtu" => "1500",
             "type" => "eth",
-            "encapsulation" => "Ethernet"
-          }
+            "encapsulation" => "Ethernet",
+          },
         },
         "default_gateway" => "192.168.66.15",
         "default_interface" => "eth0",
         "default_inet6_gateway" => "3ffe:1111:2222::",
-        "default_inet6_interface" => "eth0"
+        "default_inet6_interface" => "eth0",
       }
     },
     "windows" => {
@@ -306,26 +306,26 @@ describe Ohai::System, "Network Plugin" do
                 "prefixlen" => "24",
                 "netmask" => "255.255.255.0",
                 "broadcast" => "172.19.0.255",
-                "family" => "inet"
+                "family" => "inet",
               },
               "fe80::698d:3e37:7950:b28c" => {
                 "prefixlen" => "64",
                 "family" => "inet6",
-                "scope" => "Link"
+                "scope" => "Link",
               },
               "52:54:44:66:66:02" => {
                 "family" => "lladdr"
-              }
+              },
             },
             "mtu" => nil,
             "type" => "Ethernet 802.3",
-            "encapsulation" => "Ethernet"
+            "encapsulation" => "Ethernet",
           }
         },
         "default_gateway" => "172.19.0.1",
-        "default_interface" => "0xb"
+        "default_interface" => "0xb",
       }
-    }
+    },
   }
 
   describe "on linux" do
@@ -375,7 +375,7 @@ describe Ohai::System, "Network Plugin" do
 
         describe "ipv4 interface has no ARP" do
           before do
-            @plugin["network"]["interfaces"]["eth0"]["addresses"].delete_if{|k,kv| kv["family"] == "lladdr" }
+            @plugin["network"]["interfaces"]["eth0"]["addresses"].delete_if { |k, kv| kv["family"] == "lladdr" }
             # not really checked by this pluging
             @plugin["network"]["interfaces"]["eth0"]["flags"] << "NOARP"
             @plugin["network"]["default_inet6_gateway"] = "3ffe:1111:3333::"
@@ -446,7 +446,7 @@ describe Ohai::System, "Network Plugin" do
 
         describe "no ip address for the given default interface/gateway" do
           before do
-            @plugin["network"]["interfaces"]["eth0"]["addresses"].delete_if{|k,v| %w[inet inet6].include? v["family"]}
+            @plugin["network"]["interfaces"]["eth0"]["addresses"].delete_if { |k, v| %w{inet inet6}.include? v["family"] }
           end
 
           it_doesnt_fail
@@ -475,8 +475,8 @@ describe Ohai::System, "Network Plugin" do
             @plugin["network"]["default_interface"] = nil
             @plugin["network"]["default_inet6_gateway"] = nil
             @plugin["network"]["default_inet6_interface"] = nil
-            @plugin["network"]["interfaces"].each do |i,iv|
-              iv["addresses"].delete_if{|k,kv| %w[inet inet6].include? kv["family"]}
+            @plugin["network"]["interfaces"].each do |i, iv|
+              iv["addresses"].delete_if { |k, kv| %w{inet inet6}.include? kv["family"] }
             end
           end
 
@@ -503,28 +503,28 @@ describe Ohai::System, "Network Plugin" do
         describe "bigger prefix not set on the default interface" do
           before do
             @plugin["network"]["interfaces"]["eth2"] = {
-              "flags" => ["BROADCAST", "MULTICAST", "UP"],
+              "flags" => %w{BROADCAST MULTICAST UP},
               "number" => "2",
               "addresses" => {
                 "fe80::216:3eff:fe2f:3681" => {
                   "scope" => "Link",
                   "prefixlen" => "64",
-                  "family" => "inet6"
+                  "family" => "inet6",
                 },
-                "00:16:3E:2F:36:81" => {"family" => "lladdr"},
+                "00:16:3E:2F:36:81" => { "family" => "lladdr" },
                 "192.168.66.99" => {
                   "scope" => "Global",
                   "netmask" => "255.255.255.128",
                   "broadcast" => "192.168.99.127",
                   "prefixlen" => "25",
-                  "family" => "inet"
+                  "family" => "inet",
                 },
                 "3ffe:1111:2222:0:4444::1" => {
                   "prefixlen" => "64",
                   "family" => "inet6",
-                  "scope" => "Global"
-                }
-              }
+                  "scope" => "Global",
+                },
+              },
             }
           end
 
@@ -545,12 +545,12 @@ describe Ohai::System, "Network Plugin" do
               "netmask" => "255.255.255.128",
               "broadcast" => "192.168.66.127",
               "prefixlen" => "25",
-              "family" => "inet"
+              "family" => "inet",
             }
             @plugin["network"]["interfaces"]["eth0"]["addresses"]["3ffe:1111:2222:0:4444::1"] = {
               "prefixlen" => "64",
               "family" => "inet6",
-              "scope" => "Global"
+              "scope" => "Global",
             }
           end
 
@@ -567,28 +567,28 @@ describe Ohai::System, "Network Plugin" do
         describe "smallest ip not set on the default_interface" do
           before do
             @plugin["network"]["interfaces"]["eth2"] = {
-              "flags" => ["BROADCAST", "MULTICAST", "UP"],
+              "flags" => %w{BROADCAST MULTICAST UP},
               "number" => "2",
               "addresses" => {
                 "fe80::216:3eff:fe2f:3681" => {
                   "scope" => "Link",
                   "prefixlen" => "64",
-                  "family" => "inet6"
+                  "family" => "inet6",
                 },
-                "00:16:3E:2F:36:81" => {"family" => "lladdr"},
+                "00:16:3E:2F:36:81" => { "family" => "lladdr" },
                 "192.168.66.32" => {
                   "scope" => "Global",
                   "netmask" => "255.255.255.0",
                   "broadcast" => "192.168.66.255",
                   "prefixlen" => "24",
-                  "family" => "inet"
+                  "family" => "inet",
                 },
                 "3ffe:1111:2222::32" => {
                   "prefixlen" => "48",
                   "family" => "inet6",
-                  "scope" => "Global"
-                }
-              }
+                  "scope" => "Global",
+                },
+              },
             }
           end
 
@@ -609,12 +609,12 @@ describe Ohai::System, "Network Plugin" do
               "netmask" => "255.255.255.0",
               "broadcast" => "192.168.66.255",
               "prefixlen" => "24",
-              "family" => "inet"
+              "family" => "inet",
             }
             @plugin["network"]["interfaces"]["eth0"]["addresses"]["3ffe:1111:2222::32"] = {
               "prefixlen" => "48",
               "family" => "inet6",
-              "scope" => "Global"
+              "scope" => "Global",
             }
           end
 
@@ -637,7 +637,7 @@ describe Ohai::System, "Network Plugin" do
             @plugin["network"]["default_inet6_gateway"] = nil
             @plugin["network"]["default_inet6_interface"] = nil
             # removing inet* addresses from eth0, to complicate things a bit
-            @plugin["network"]["interfaces"]["eth0"]["addresses"].delete_if{|k,v| %w[inet inet6].include? v["family"]}
+            @plugin["network"]["interfaces"]["eth0"]["addresses"].delete_if { |k, v| %w{inet inet6}.include? v["family"] }
           end
 
           it_populates_ipaddress_attributes
@@ -660,7 +660,7 @@ describe Ohai::System, "Network Plugin" do
             @plugin["network"]["default_inet6_gateway"] = nil
             @plugin["network"]["default_inet6_interface"] = nil
             # just changing scopes to lInK for eth0 addresses
-            @plugin["network"]["interfaces"]["eth0"]["addresses"].each{|k,v| v[:scope]="lInK" if %w[inet inet6].include? v["family"]}
+            @plugin["network"]["interfaces"]["eth0"]["addresses"].each { |k, v| v[:scope] = "lInK" if %w{inet inet6}.include? v["family"] }
           end
 
           it_populates_ipaddress_attributes
@@ -719,7 +719,7 @@ describe Ohai::System, "Network Plugin" do
               "scope" => "host",
               "netmask" => "255.255.255.255",
               "prefixlen" => "32",
-              "family" => "inet"
+              "family" => "inet",
             }
           end
 
@@ -737,29 +737,29 @@ describe Ohai::System, "Network Plugin" do
       describe "point to point address" do
         before do
           @plugin["network"]["interfaces"]["eth2"] = {
-            "flags" => ["POINTOPOINT", "BROADCAST", "MULTICAST", "UP"],
+            "flags" => %w{POINTOPOINT BROADCAST MULTICAST UP},
             "number" => "2",
             "addresses" => {
               "fe80::216:3eff:fe2f:3681" => {
                 "scope" => "Link",
                 "prefixlen" => "64",
-                "family" => "inet6"
+                "family" => "inet6",
               },
-              "00:16:3E:2F:36:81" => {"family" => "lladdr"},
+              "00:16:3E:2F:36:81" => { "family" => "lladdr" },
               "192.168.66.99" => {
                 "scope" => "Global",
                 "netmask" => "255.255.255.255",
                 "peer" => "192.168.99.126",
                 "prefixlen" => "32",
-                "family" => "inet"
+                "family" => "inet",
               },
               "3ffe:1111:2222:0:4444::1" => {
                 "prefixlen" => "128",
                 "peer" => "3ffe:1111:2222:0:4444::2",
                 "family" => "inet6",
-                "scope" => "Global"
-              }
-            }
+                "scope" => "Global",
+              },
+            },
           }
           @plugin["network"]["default_gateway"] = "192.168.99.126"
           @plugin["network"]["default_interface"] = "eth2"
@@ -781,8 +781,8 @@ describe Ohai::System, "Network Plugin" do
         before do
           @plugin["network"]["default_gateway"] = nil
           @plugin["network"]["default_interface"] = nil
-          @plugin["network"]["interfaces"].each do |i,iv|
-            iv["addresses"].delete_if{|k,kv| kv["family"] == "inet" }
+          @plugin["network"]["interfaces"].each do |i, iv|
+            iv["addresses"].delete_if { |k, kv| kv["family"] == "inet" }
           end
         end
 
@@ -820,9 +820,9 @@ describe Ohai::System, "Network Plugin" do
         before do
           @plugin["network"]["default_gateway"] = nil
           @plugin["network"]["default_interface"] = nil
-          @plugin["network"]["interfaces"].each do |i,iv|
-            next if i == 'lo'
-            iv["addresses"].delete_if{|k,kv| kv["family"] == "inet" }
+          @plugin["network"]["interfaces"].each do |i, iv|
+            next if i == "lo"
+            iv["addresses"].delete_if { |k, kv| kv["family"] == "inet" }
           end
         end
 
@@ -863,16 +863,16 @@ describe Ohai::System, "Network Plugin" do
             @expected_results = {
               "freebsd" => {
                 "ip6address" => "2001:470:d:cb4::1",
-                "macaddress" => "02:20:6f:d2:c4:00"
+                "macaddress" => "02:20:6f:d2:c4:00",
               },
               "linux" => {
                 "ip6address" => "3ffe:1111:2222::33",
-                "macaddress" => "00:16:3E:2F:36:79"
+                "macaddress" => "00:16:3E:2F:36:79",
               },
               "windows" => {
                 "ip6address" => "fe80::698d:3e37:7950:b28c",
-                "macaddress" => "00:AA:BB:CC:DD:EE"
-              }
+                "macaddress" => "00:AA:BB:CC:DD:EE",
+              },
             }
           end
 
@@ -897,16 +897,16 @@ describe Ohai::System, "Network Plugin" do
               @expected_results = {
                 "freebsd" => {
                   "ipaddress" => "76.91.1.255",
-                  "macaddress" => "00:00:24:c9:5e:b8"
+                  "macaddress" => "00:00:24:c9:5e:b8",
                 },
                 "linux" => {
                   "ipaddress" => "192.168.66.33",
-                  "macaddress" => "00:16:3E:2F:36:79"
+                  "macaddress" => "00:16:3E:2F:36:79",
                 },
                 "windows" => {
                   "ipaddress" => "172.19.0.130",
-                  "macaddress" => "52:54:44:66:66:02"
-                }
+                  "macaddress" => "52:54:44:66:66:02",
+                },
               }
             end
 
@@ -928,9 +928,9 @@ describe Ohai::System, "Network Plugin" do
             before do
               @plugin["network"]["default_gateway"] = nil
               @plugin["network"]["default_interface"] = nil
-              @plugin["network"]["interfaces"].each do |i,iv|
+              @plugin["network"]["interfaces"].each do |i, iv|
                 if iv.has_key? "addresses"
-                  iv["addresses"].delete_if{|k,kv| kv["family"] == "inet" }
+                  iv["addresses"].delete_if { |k, kv| kv["family"] == "inet" }
                 end
               end
               @plugin["ip6address"] = "3ffe:8888:9999::1"
@@ -943,7 +943,7 @@ describe Ohai::System, "Network Plugin" do
                 },
                 "windows" => {
                   "macaddress" => "52:54:44:66:66:02"
-                }
+                },
               }
             end
 
@@ -982,16 +982,16 @@ describe Ohai::System, "Network Plugin" do
               @expected_results = {
                 "freebsd" => {
                   "ipaddress" => "76.91.1.255",
-                  "macaddress" => "00:00:24:c9:5e:b8"
+                  "macaddress" => "00:00:24:c9:5e:b8",
                 },
                 "linux" => {
                   "ipaddress" => "192.168.66.33",
-                  "macaddress" => "00:16:3E:2F:36:79"
+                  "macaddress" => "00:16:3E:2F:36:79",
                 },
                 "windows" => {
                   "ipaddress" => "172.19.0.130",
-                  "macaddress" => "52:54:44:66:66:02"
-                }
+                  "macaddress" => "52:54:44:66:66:02",
+                },
               }
             end
 
@@ -1013,9 +1013,9 @@ describe Ohai::System, "Network Plugin" do
             before do
               @plugin["network"]["default_gateway"] = nil
               @plugin["network"]["default_interface"] = nil
-              @plugin["network"]["interfaces"].each do |i,iv|
+              @plugin["network"]["interfaces"].each do |i, iv|
                 if iv.has_key? "addresses"
-                  iv["addresses"].delete_if{|k,kv| kv["family"] == "inet" }
+                  iv["addresses"].delete_if { |k, kv| kv["family"] == "inet" }
                 end
               end
               @plugin["macaddress"] = "00:AA:BB:CC:DD:EE"
diff --git a/spec/unit/plugins/nodejs_spec.rb b/spec/unit/plugins/nodejs_spec.rb
index 135c7707..af6af616 100644
--- a/spec/unit/plugins/nodejs_spec.rb
+++ b/spec/unit/plugins/nodejs_spec.rb
@@ -18,7 +18,7 @@
 # limitations under the License.
 #
 
-require File.expand_path(File.join(File.dirname(__FILE__), '..', '..', '/spec_helper.rb'))
+require File.expand_path(File.join(File.dirname(__FILE__), "..", "..", "/spec_helper.rb"))
 
 describe Ohai::System, "plugin nodejs" do
 
diff --git a/spec/unit/plugins/ohai_spec.rb b/spec/unit/plugins/ohai_spec.rb
index c350b0a3..530df962 100644
--- a/spec/unit/plugins/ohai_spec.rb
+++ b/spec/unit/plugins/ohai_spec.rb
@@ -18,7 +18,7 @@
 # limitations under the License.
 #
 
-require File.expand_path(File.dirname(__FILE__) + '/../../spec_helper.rb')
+require File.expand_path(File.dirname(__FILE__) + "/../../spec_helper.rb")
 
 describe Ohai::System, "plugin ohai" do
   before(:each) do
diff --git a/spec/unit/plugins/ohai_time_spec.rb b/spec/unit/plugins/ohai_time_spec.rb
index 633dd2f6..e1fe0e48 100644
--- a/spec/unit/plugins/ohai_time_spec.rb
+++ b/spec/unit/plugins/ohai_time_spec.rb
@@ -16,8 +16,7 @@
 # limitations under the License.
 #
 
-
-require File.expand_path(File.dirname(__FILE__) + '/../../spec_helper.rb')
+require File.expand_path(File.dirname(__FILE__) + "/../../spec_helper.rb")
 
 describe Ohai::System, "plugin ohai_time" do
   before(:each) do
diff --git a/spec/unit/plugins/openbsd/hostname_spec.rb b/spec/unit/plugins/openbsd/hostname_spec.rb
index 6ee3c604..d2d320a0 100644
--- a/spec/unit/plugins/openbsd/hostname_spec.rb
+++ b/spec/unit/plugins/openbsd/hostname_spec.rb
@@ -16,8 +16,7 @@
 # limitations under the License.
 #
 
-
-require File.expand_path(File.dirname(__FILE__) + '/../../../spec_helper.rb')
+require File.expand_path(File.dirname(__FILE__) + "/../../../spec_helper.rb")
 
 describe Ohai::System, "OpenBSD hostname plugin" do
   before(:each) do
diff --git a/spec/unit/plugins/openbsd/kernel_spec.rb b/spec/unit/plugins/openbsd/kernel_spec.rb
index 689c8d7e..f80de3bb 100644
--- a/spec/unit/plugins/openbsd/kernel_spec.rb
+++ b/spec/unit/plugins/openbsd/kernel_spec.rb
@@ -16,8 +16,7 @@
 # limitations under the License.
 #
 
-
-require File.expand_path(File.dirname(__FILE__) + '/../../../spec_helper.rb')
+require File.expand_path(File.dirname(__FILE__) + "/../../../spec_helper.rb")
 
 describe Ohai::System, "OpenBSD kernel plugin" do
   before(:each) do
diff --git a/spec/unit/plugins/openbsd/platform_spec.rb b/spec/unit/plugins/openbsd/platform_spec.rb
index 39bfbf8c..3c3759ae 100644
--- a/spec/unit/plugins/openbsd/platform_spec.rb
+++ b/spec/unit/plugins/openbsd/platform_spec.rb
@@ -16,8 +16,7 @@
 # limitations under the License.
 #
 
-
-require File.expand_path(File.dirname(__FILE__) + '/../../../spec_helper.rb')
+require File.expand_path(File.dirname(__FILE__) + "/../../../spec_helper.rb")
 
 describe Ohai::System, "OpenBSD plugin platform" do
   before(:each) do
diff --git a/spec/unit/plugins/openstack_spec.rb b/spec/unit/plugins/openstack_spec.rb
index 2edc111d..0024eb5a 100644
--- a/spec/unit/plugins/openstack_spec.rb
+++ b/spec/unit/plugins/openstack_spec.rb
@@ -16,8 +16,8 @@
 # limitations under the License.
 #
 
-require 'spec_helper'
-require 'ohai/plugins/openstack'
+require "spec_helper"
+require "ohai/plugins/openstack"
 
 describe "OpenStack Plugin" do
 
@@ -53,7 +53,7 @@ describe "OpenStack Plugin" do
 
       before do
         expect(openstack_plugin).to receive(:can_metadata_connect?).
-          with(Ohai::Mixin::Ec2Metadata::EC2_METADATA_ADDR,80).
+          with(Ohai::Mixin::Ec2Metadata::EC2_METADATA_ADDR, 80).
           and_return(false)
       end
 
@@ -114,7 +114,7 @@ EOM
           "aki-id" => "aki-00000036",
           "block-device-mapping/" => "ami\nroot",
           "block-device-mapping/ami" => "vda",
-          "block-device-mapping/root" => "/dev/vda"
+          "block-device-mapping/root" => "/dev/vda",
         }
       end
 
@@ -148,13 +148,13 @@ EOM
 
       def expect_get_response(url, response_body)
         expect(http_client).to receive(:get_response).
-          with(url,nil,nil).
+          with(url, nil, nil).
           and_return(double("HTTP Response", :code => "200", :body => response_body))
       end
 
       before do
         expect(openstack_plugin).to receive(:can_metadata_connect?).
-          with(Ohai::Mixin::Ec2Metadata::EC2_METADATA_ADDR,80).
+          with(Ohai::Mixin::Ec2Metadata::EC2_METADATA_ADDR, 80).
           and_return(true)
 
         allow(Net::HTTP).to receive(:start).
@@ -171,99 +171,97 @@ EOM
 
         expect_get_response(
           URI.parse("#{openstack_metadata_endpoint}#{openstack_metadata_version}/meta_data.json"),
-          openstack_metadata_values
+          openstack_metadata_values,
         )
 
         openstack_plugin.run
       end
 
       it "reads the reservation_id from the metadata service" do
-        expect(ohai_data['openstack']['reservation_id']).to eq("r-4tjvl99h")
+        expect(ohai_data["openstack"]["reservation_id"]).to eq("r-4tjvl99h")
       end
       it "reads the public_keys_0_openssh_key from the metadata service" do
-        expect(ohai_data['openstack']['public_keys_0_openssh_key']).to eq("SSH KEY DATA")
+        expect(ohai_data["openstack"]["public_keys_0_openssh_key"]).to eq("SSH KEY DATA")
       end
       it "reads the security_groups from the metadata service" do
-        expect(ohai_data['openstack']['security_groups']).to eq(["default"])
+        expect(ohai_data["openstack"]["security_groups"]).to eq(["default"])
       end
       it "reads the public_ipv4 from the metadata service" do
-        expect(ohai_data['openstack']['public_ipv4']).to eq("")
+        expect(ohai_data["openstack"]["public_ipv4"]).to eq("")
       end
       it "reads the ami_manifest_path from the metadata service" do
-        expect(ohai_data['openstack']['ami_manifest_path']).to eq("FIXME")
+        expect(ohai_data["openstack"]["ami_manifest_path"]).to eq("FIXME")
       end
       it "reads the instance_type from the metadata service" do
-        expect(ohai_data['openstack']['instance_type']).to eq("opc-tester")
+        expect(ohai_data["openstack"]["instance_type"]).to eq("opc-tester")
       end
       it "reads the instance_id from the metadata service" do
-        expect(ohai_data['openstack']['instance_id']).to eq("i-0000162a")
+        expect(ohai_data["openstack"]["instance_id"]).to eq("i-0000162a")
       end
       it "reads the local_ipv4 from the metadata service" do
-        expect(ohai_data['openstack']['local_ipv4']).to eq("172.31.7.23")
+        expect(ohai_data["openstack"]["local_ipv4"]).to eq("172.31.7.23")
       end
       it "reads the ari_id from the metadata service" do
-        expect(ohai_data['openstack']['ari_id']).to eq("ari-00000037")
+        expect(ohai_data["openstack"]["ari_id"]).to eq("ari-00000037")
       end
       it "reads the local_hostname from the metadata service" do
-        expect(ohai_data['openstack']['local_hostname']).to eq("ohai-7-system-test.opscode.us")
+        expect(ohai_data["openstack"]["local_hostname"]).to eq("ohai-7-system-test.opscode.us")
       end
       it "reads the placement_availability_zone from the metadata service" do
-        expect(ohai_data['openstack']['placement_availability_zone']).to eq("nova")
+        expect(ohai_data["openstack"]["placement_availability_zone"]).to eq("nova")
       end
       it "reads the ami_launch_index from the metadata service" do
-        expect(ohai_data['openstack']['ami_launch_index']).to eq("0")
+        expect(ohai_data["openstack"]["ami_launch_index"]).to eq("0")
       end
       it "reads the public_hostname from the metadata service" do
-        expect(ohai_data['openstack']['public_hostname']).to eq("ohai-7-system-test.opscode.us")
+        expect(ohai_data["openstack"]["public_hostname"]).to eq("ohai-7-system-test.opscode.us")
       end
       it "reads the hostname from the metadata service" do
-        expect(ohai_data['openstack']['hostname']).to eq("ohai-7-system-test.opscode.us")
+        expect(ohai_data["openstack"]["hostname"]).to eq("ohai-7-system-test.opscode.us")
       end
       it "reads the ami_id from the metadata service" do
-        expect(ohai_data['openstack']['ami_id']).to eq("ami-00000035")
+        expect(ohai_data["openstack"]["ami_id"]).to eq("ami-00000035")
       end
       it "reads the instance_action from the metadata service" do
-        expect(ohai_data['openstack']['instance_action']).to eq("none")
+        expect(ohai_data["openstack"]["instance_action"]).to eq("none")
       end
       it "reads the aki_id from the metadata service" do
-        expect(ohai_data['openstack']['aki_id']).to eq("aki-00000036")
+        expect(ohai_data["openstack"]["aki_id"]).to eq("aki-00000036")
       end
       it "reads the block_device_mapping_ami from the metadata service" do
-        expect(ohai_data['openstack']['block_device_mapping_ami']).to eq("vda")
+        expect(ohai_data["openstack"]["block_device_mapping_ami"]).to eq("vda")
       end
       it "reads the block_device_mapping_root from the metadata service" do
-        expect(ohai_data['openstack']['block_device_mapping_root']).to eq("/dev/vda")
+        expect(ohai_data["openstack"]["block_device_mapping_root"]).to eq("/dev/vda")
       end
       it "reads the provider from the metadata service" do
-        expect(ohai_data['openstack']['provider']).to eq("openstack")
+        expect(ohai_data["openstack"]["provider"]).to eq("openstack")
       end
 
-      context 'Retreive openStack specific metadata' do
+      context "Retreive openStack specific metadata" do
         it "reads the availability_zone from the openstack metadata service" do
-          expect(ohai_data['openstack']['metadata']['availability_zone']).to eq('nova')
+          expect(ohai_data["openstack"]["metadata"]["availability_zone"]).to eq("nova")
         end
         it "reads the hostname from the openstack metadata service" do
-          expect(ohai_data['openstack']['metadata']['hostname']).to eq('ohai.novalocal')
+          expect(ohai_data["openstack"]["metadata"]["hostname"]).to eq("ohai.novalocal")
         end
         it "reads the launch_index from the openstack metadata service" do
-          expect(ohai_data['openstack']['metadata']['launch_index']).to eq(0)
+          expect(ohai_data["openstack"]["metadata"]["launch_index"]).to eq(0)
         end
         it "reads the meta from the openstack metadata service" do
-          expect(ohai_data['openstack']['metadata']['meta']).to eq({ "priority" => "low", "role" => "ohaiserver"})
+          expect(ohai_data["openstack"]["metadata"]["meta"]).to eq({ "priority" => "low", "role" => "ohaiserver" })
         end
         it "reads the name from the openstack metadata service" do
-          expect(ohai_data['openstack']['metadata']['name']).to eq('ohai_spec')
+          expect(ohai_data["openstack"]["metadata"]["name"]).to eq("ohai_spec")
         end
         it "reads the public_keys from the openstack metadata service" do
-          expect(ohai_data['openstack']['metadata']['public_keys']).to eq({"mykey" => "SSH KEY DATA"})
+          expect(ohai_data["openstack"]["metadata"]["public_keys"]).to eq({ "mykey" => "SSH KEY DATA" })
         end
         it "reads the uuid from the openstack metadata service" do
-          expect(ohai_data['openstack']['metadata']['uuid']).to eq('00000000-0000-0000-0000-100000000000')
+          expect(ohai_data["openstack"]["metadata"]["uuid"]).to eq("00000000-0000-0000-0000-100000000000")
         end
       end
     end
 
-
   end
 end
-
diff --git a/spec/unit/plugins/os_spec.rb b/spec/unit/plugins/os_spec.rb
index 76d55c4e..3cff244d 100644
--- a/spec/unit/plugins/os_spec.rb
+++ b/spec/unit/plugins/os_spec.rb
@@ -16,10 +16,9 @@
 # limitations under the License.
 #
 
+require File.expand_path(File.dirname(__FILE__) + "/../../spec_helper.rb")
 
-require File.expand_path(File.dirname(__FILE__) + '/../../spec_helper.rb')
-
-ORIGINAL_CONFIG_HOST_OS = ::RbConfig::CONFIG['host_os']
+ORIGINAL_CONFIG_HOST_OS = ::RbConfig::CONFIG["host_os"]
 
 describe Ohai::System, "plugin os" do
   before(:each) do
@@ -29,7 +28,7 @@ describe Ohai::System, "plugin os" do
   end
 
   after do
-    ::RbConfig::CONFIG['host_os'] = ORIGINAL_CONFIG_HOST_OS
+    ::RbConfig::CONFIG["host_os"] = ORIGINAL_CONFIG_HOST_OS
   end
 
   it "should set os_version to kernel_release" do
@@ -39,7 +38,7 @@ describe Ohai::System, "plugin os" do
 
   describe "on linux" do
     before(:each) do
-      ::RbConfig::CONFIG['host_os'] = "linux"
+      ::RbConfig::CONFIG["host_os"] = "linux"
     end
 
     it "should set the os to linux" do
@@ -50,7 +49,7 @@ describe Ohai::System, "plugin os" do
 
   describe "on darwin" do
     before(:each) do
-      ::RbConfig::CONFIG['host_os'] = "darwin10.0"
+      ::RbConfig::CONFIG["host_os"] = "darwin10.0"
     end
 
     it "should set the os to darwin" do
@@ -61,7 +60,7 @@ describe Ohai::System, "plugin os" do
 
   describe "on solaris" do
     before do
-      ::RbConfig::CONFIG['host_os'] = "solaris2.42" #heh
+      ::RbConfig::CONFIG["host_os"] = "solaris2.42" #heh
     end
 
     it "sets the os to solaris2" do
@@ -72,7 +71,7 @@ describe Ohai::System, "plugin os" do
 
   describe "on something we have never seen before, but ruby has" do
     before do
-      ::RbConfig::CONFIG['host_os'] = "tron"
+      ::RbConfig::CONFIG["host_os"] = "tron"
     end
 
     it "sets the os to the ruby 'host_os'" do
diff --git a/spec/unit/plugins/packages_spec.rb b/spec/unit/plugins/packages_spec.rb
index 70016ba2..169eeac6 100644
--- a/spec/unit/plugins/packages_spec.rb
+++ b/spec/unit/plugins/packages_spec.rb
@@ -17,9 +17,9 @@
 # limitations under the License.
 #
 
-require File.expand_path(File.dirname(__FILE__) + '/../../spec_helper.rb')
+require File.expand_path(File.dirname(__FILE__) + "/../../spec_helper.rb")
 
-describe Ohai::System, 'plugin packages' do
+describe Ohai::System, "plugin packages" do
   context "when the packages plugin is disabled" do
     before do
       Ohai.config[:plugin][:packages][:enabled] = false
@@ -28,7 +28,7 @@ describe Ohai::System, 'plugin packages' do
     end
 
     let(:plugin) do
-      get_plugin('packages').tap do |plugin|
+      get_plugin("packages").tap do |plugin|
         plugin[:platform_family] = platform_family
       end
     end
@@ -49,222 +49,222 @@ describe Ohai::System, 'plugin packages' do
       Ohai.config[:plugin][:packages][:enabled] = true
     end
 
-    context 'on debian' do
+    context "on debian" do
       let(:plugin) do
-        get_plugin('packages').tap do |plugin|
-          plugin[:platform_family] = 'debian'
+        get_plugin("packages").tap do |plugin|
+          plugin[:platform_family] = "debian"
         end
       end
 
       let(:stdout) do
-        File.read(File.join(SPEC_PLUGIN_PATH, 'dpkg-query.output'))
+        File.read(File.join(SPEC_PLUGIN_PATH, "dpkg-query.output"))
       end
 
       before(:each) do
         allow(plugin).to receive(:collect_os).and_return(:linux)
         allow(plugin).to receive(:shell_out)
-          .with('dpkg-query -W')
-          .and_return(mock_shell_out(0, stdout, ''))
+          .with("dpkg-query -W")
+          .and_return(mock_shell_out(0, stdout, ""))
         plugin.run
       end
 
-      it 'calls dpkg query' do
+      it "calls dpkg query" do
         expect(plugin).to receive(:shell_out)
-          .with('dpkg-query -W')
-          .and_return(mock_shell_out(0, stdout, ''))
+          .with("dpkg-query -W")
+          .and_return(mock_shell_out(0, stdout, ""))
         plugin.run
       end
 
-      it 'gets packages and versions' do
-        expect(plugin[:packages]['vim-common'][:version]).to eq('2:7.4.052-1ubuntu3')
+      it "gets packages and versions" do
+        expect(plugin[:packages]["vim-common"][:version]).to eq("2:7.4.052-1ubuntu3")
       end
     end
 
-    context 'on fedora' do
+    context "on fedora" do
       let(:plugin) do
-        get_plugin('packages').tap do |plugin|
-          plugin[:platform_family] = 'fedora'
+        get_plugin("packages").tap do |plugin|
+          plugin[:platform_family] = "fedora"
         end
       end
 
       let(:format) { Shellwords.escape '%{NAME}\t%{VERSION}\t%{RELEASE}\n' }
 
       let(:stdout) do
-        File.read(File.join(SPEC_PLUGIN_PATH, 'rpmquery.output'))
+        File.read(File.join(SPEC_PLUGIN_PATH, "rpmquery.output"))
       end
 
       before(:each) do
         allow(plugin).to receive(:collect_os).and_return(:linux)
-        allow(plugin).to receive(:shell_out).with("rpm -qa --queryformat #{format}").and_return(mock_shell_out(0, stdout, ''))
+        allow(plugin).to receive(:shell_out).with("rpm -qa --queryformat #{format}").and_return(mock_shell_out(0, stdout, ""))
         plugin.run
       end
 
-      it 'calls rpm -qa' do
+      it "calls rpm -qa" do
         expect(plugin).to receive(:shell_out)
           .with("rpm -qa --queryformat #{format}")
-          .and_return(mock_shell_out(0, stdout, ''))
+          .and_return(mock_shell_out(0, stdout, ""))
         plugin.run
       end
 
-      it 'gets packages and versions/release' do
-        expect(plugin[:packages]['vim-common'][:version]).to eq('7.2.411')
-        expect(plugin[:packages]['vim-common'][:release]).to eq('1.8.el6')
+      it "gets packages and versions/release" do
+        expect(plugin[:packages]["vim-common"][:version]).to eq("7.2.411")
+        expect(plugin[:packages]["vim-common"][:release]).to eq("1.8.el6")
       end
     end
 
-    context 'on windows', :windows_only do
-      require 'wmi-lite'
+    context "on windows", :windows_only do
+      require "wmi-lite"
 
       let(:plugin) do
-        get_plugin('packages').tap do |plugin|
-          plugin[:platform_family] = 'windows'
+        get_plugin("packages").tap do |plugin|
+          plugin[:platform_family] = "windows"
         end
       end
 
       let(:win32_product_output) do
-        [{ 'assignmenttype' => 0,
-           'caption' => 'NXLOG-CE',
-           'description' => 'NXLOG-CE',
-           'helplink' => nil,
-           'helptelephone' => nil,
-           'identifyingnumber' => '{22FA28AB-3C1B-438B-A8B5-E23892C8B567}',
-           'installdate' => '20150511',
-           'installdate2' => nil,
-           'installlocation' => nil,
-           'installsource' => 'C:\\chef\\cache\\',
-           'installstate' => 5,
-           'language' => '1033',
-           'localpackage' => 'C:\\Windows\\Installer\\30884.msi',
-           'name' => 'NXLOG-CE',
-           'packagecache' => 'C:\\Windows\\Installer\\30884.msi',
-           'packagecode' => '{EC3A13C4-4634-47FC-9662-DC293CB96F9F}',
-           'packagename' => 'nexlog-ce-2.8.1248.msi',
-           'productid' => nil,
-           'regcompany' => nil,
-           'regowner' => nil,
-           'skunumber' => nil,
-           'transforms' => nil,
-           'urlinfoabout' => nil,
-           'urlupdateinfo' => nil,
-           'vendor' => 'nxsec.com',
-           'version' => '2.8.1248',
-           'wordcount' => 2 },
-           { 'assignmenttype' => 1,
-             'caption' => 'Chef Development Kit v0.7.0',
-             'description' => 'Chef Development Kit v0.7.0',
-             'helplink' => 'http://www.getchef.com/support/',
-             'helptelephone' => nil,
-             'identifyingnumber' => '{90754A33-404C-4172-8F3B-7F04CE98011C}',
-             'installdate' => '20150925', 'installdate2' => nil,
-             'installlocation' => nil,
-             'installsource' => 'C:\\Users\\skhajamohid1\\Downloads\\',
-             'installstate' => 5, 'language' => '1033',
-             'localpackage' => 'C:\\WINDOWS\\Installer\\d9e1ca7.msi',
-             'name' => 'Chef Development Kit v0.7.0',
-             'packagecache' => 'C:\\WINDOWS\\Installer\\d9e1ca7.msi',
-             'packagecode' => '{9B82FB86-40AE-4CDF-9DE8-97574F9395B9}',
-             'packagename' => 'chefdk-0.7.0-1 (2).msi',
-             'productid' => nil,
-             'regcompany' => nil,
-             'regowner' => nil,
-             'skunumber' => nil,
-             'transforms' => nil,
-             'urlinfoabout' => nil,
-             'urlupdateinfo' => nil,
-             'vendor' => "\"Chef Software, Inc. <maintainers@chef.io>\"",
-             'version' => '0.7.0.1',
-             'wordcount' => 2 }]
+        [{ "assignmenttype" => 0,
+           "caption" => "NXLOG-CE",
+           "description" => "NXLOG-CE",
+           "helplink" => nil,
+           "helptelephone" => nil,
+           "identifyingnumber" => "{22FA28AB-3C1B-438B-A8B5-E23892C8B567}",
+           "installdate" => "20150511",
+           "installdate2" => nil,
+           "installlocation" => nil,
+           "installsource" => 'C:\\chef\\cache\\',
+           "installstate" => 5,
+           "language" => "1033",
+           "localpackage" => 'C:\\Windows\\Installer\\30884.msi',
+           "name" => "NXLOG-CE",
+           "packagecache" => 'C:\\Windows\\Installer\\30884.msi',
+           "packagecode" => "{EC3A13C4-4634-47FC-9662-DC293CB96F9F}",
+           "packagename" => "nexlog-ce-2.8.1248.msi",
+           "productid" => nil,
+           "regcompany" => nil,
+           "regowner" => nil,
+           "skunumber" => nil,
+           "transforms" => nil,
+           "urlinfoabout" => nil,
+           "urlupdateinfo" => nil,
+           "vendor" => "nxsec.com",
+           "version" => "2.8.1248",
+           "wordcount" => 2 },
+           { "assignmenttype" => 1,
+             "caption" => "Chef Development Kit v0.7.0",
+             "description" => "Chef Development Kit v0.7.0",
+             "helplink" => "http://www.getchef.com/support/",
+             "helptelephone" => nil,
+             "identifyingnumber" => "{90754A33-404C-4172-8F3B-7F04CE98011C}",
+             "installdate" => "20150925", "installdate2" => nil,
+             "installlocation" => nil,
+             "installsource" => 'C:\\Users\\skhajamohid1\\Downloads\\',
+             "installstate" => 5, "language" => "1033",
+             "localpackage" => 'C:\\WINDOWS\\Installer\\d9e1ca7.msi',
+             "name" => "Chef Development Kit v0.7.0",
+             "packagecache" => 'C:\\WINDOWS\\Installer\\d9e1ca7.msi',
+             "packagecode" => "{9B82FB86-40AE-4CDF-9DE8-97574F9395B9}",
+             "packagename" => "chefdk-0.7.0-1 (2).msi",
+             "productid" => nil,
+             "regcompany" => nil,
+             "regowner" => nil,
+             "skunumber" => nil,
+             "transforms" => nil,
+             "urlinfoabout" => nil,
+             "urlupdateinfo" => nil,
+             "vendor" => "\"Chef Software, Inc. <maintainers@chef.io>\"",
+             "version" => "0.7.0.1",
+             "wordcount" => 2 }]
       end
 
       before(:each) do
         allow(plugin).to receive(:collect_os).and_return(:windows)
-        expect_any_instance_of(WmiLite::Wmi).to receive(:instances_of).with('Win32_Product').and_return(win32_product_output)
+        expect_any_instance_of(WmiLite::Wmi).to receive(:instances_of).with("Win32_Product").and_return(win32_product_output)
         plugin.run
       end
 
-      it 'gets package info' do
-        expect(plugin[:packages]['Chef Development Kit v0.7.0'][:version]).to eq('0.7.0.1')
-        expect(plugin[:packages]['Chef Development Kit v0.7.0'][:vendor]).to eq("\"Chef Software, Inc. <maintainers@chef.io>\"")
-        expect(plugin[:packages]['Chef Development Kit v0.7.0'][:installdate]).to eq('20150925')
+      it "gets package info" do
+        expect(plugin[:packages]["Chef Development Kit v0.7.0"][:version]).to eq("0.7.0.1")
+        expect(plugin[:packages]["Chef Development Kit v0.7.0"][:vendor]).to eq("\"Chef Software, Inc. <maintainers@chef.io>\"")
+        expect(plugin[:packages]["Chef Development Kit v0.7.0"][:installdate]).to eq("20150925")
 
-        expect(plugin[:packages]['NXLOG-CE'][:version]).to eq('2.8.1248')
-        expect(plugin[:packages]['NXLOG-CE'][:vendor]).to eq('nxsec.com')
-        expect(plugin[:packages]['NXLOG-CE'][:installdate]).to eq('20150511')
+        expect(plugin[:packages]["NXLOG-CE"][:version]).to eq("2.8.1248")
+        expect(plugin[:packages]["NXLOG-CE"][:vendor]).to eq("nxsec.com")
+        expect(plugin[:packages]["NXLOG-CE"][:installdate]).to eq("20150511")
       end
     end
 
-    context 'on aix' do
-      let(:plugin) { get_plugin('packages') }
+    context "on aix" do
+      let(:plugin) { get_plugin("packages") }
 
       let(:stdout) do
-        File.read(File.join(SPEC_PLUGIN_PATH, 'lslpp.output'))
+        File.read(File.join(SPEC_PLUGIN_PATH, "lslpp.output"))
       end
 
       before(:each) do
         allow(plugin).to receive(:collect_os).and_return(:aix)
-        allow(plugin).to receive(:shell_out).with('lslpp -L -q -c').and_return(mock_shell_out(0, stdout, ''))
+        allow(plugin).to receive(:shell_out).with("lslpp -L -q -c").and_return(mock_shell_out(0, stdout, ""))
         plugin.run
       end
 
-      it 'calls lslpp -L -q -c' do
+      it "calls lslpp -L -q -c" do
         expect(plugin).to receive(:shell_out)
-          .with('lslpp -L -q -c')
-          .and_return(mock_shell_out(0, stdout, ''))
+          .with("lslpp -L -q -c")
+          .and_return(mock_shell_out(0, stdout, ""))
         plugin.run
       end
 
-      it 'gets packages with version' do
-        expect(plugin[:packages]['chef'][:version]).to eq('12.5.1.1')
+      it "gets packages with version" do
+        expect(plugin[:packages]["chef"][:version]).to eq("12.5.1.1")
       end
     end
 
-    context 'on solaris2' do
-      let(:plugin) { get_plugin('packages') }
+    context "on solaris2" do
+      let(:plugin) { get_plugin("packages") }
 
       let(:pkglist_output) do
-        File.read(File.join(SPEC_PLUGIN_PATH, 'pkglist.output'))
+        File.read(File.join(SPEC_PLUGIN_PATH, "pkglist.output"))
       end
 
       let(:pkginfo_output) do
-        File.read(File.join(SPEC_PLUGIN_PATH, 'pkginfo.output'))
+        File.read(File.join(SPEC_PLUGIN_PATH, "pkginfo.output"))
       end
 
       before(:each) do
         allow(plugin).to receive(:collect_os).and_return(:solaris2)
-        allow(plugin).to receive(:shell_out).with('pkg list -H').and_return(mock_shell_out(0, pkglist_output, ''))
-        allow(plugin).to receive(:shell_out).with('pkginfo -l').and_return(mock_shell_out(0, pkginfo_output, ''))
+        allow(plugin).to receive(:shell_out).with("pkg list -H").and_return(mock_shell_out(0, pkglist_output, ""))
+        allow(plugin).to receive(:shell_out).with("pkginfo -l").and_return(mock_shell_out(0, pkginfo_output, ""))
         plugin.run
       end
 
-      it 'calls pkg list -H' do
+      it "calls pkg list -H" do
         expect(plugin).to receive(:shell_out)
-          .with('pkg list -H')
-          .and_return(mock_shell_out(0, pkglist_output, ''))
+          .with("pkg list -H")
+          .and_return(mock_shell_out(0, pkglist_output, ""))
         plugin.run
       end
 
-      it 'calls pkginfo -l' do
+      it "calls pkginfo -l" do
         expect(plugin).to receive(:shell_out)
-          .with('pkginfo -l')
-          .and_return(mock_shell_out(0, pkginfo_output, ''))
+          .with("pkginfo -l")
+          .and_return(mock_shell_out(0, pkginfo_output, ""))
         plugin.run
       end
 
-      it 'gets ips packages with version' do
-        expect(plugin[:packages]['chef'][:version]).to eq('12.5.1')
+      it "gets ips packages with version" do
+        expect(plugin[:packages]["chef"][:version]).to eq("12.5.1")
       end
 
-      it 'gets ips packages with version and publisher' do
-        expect(plugin[:packages]['system/EMCpower'][:version]).to eq('6.0.0.1.0-3')
-        expect(plugin[:packages]['system/EMCpower'][:publisher]).to eq('emc.com')
+      it "gets ips packages with version and publisher" do
+        expect(plugin[:packages]["system/EMCpower"][:version]).to eq("6.0.0.1.0-3")
+        expect(plugin[:packages]["system/EMCpower"][:publisher]).to eq("emc.com")
       end
 
-      it 'gets sysv packages with version' do
-        expect(plugin[:packages]['chef'][:version]).to eq('12.5.1')
+      it "gets sysv packages with version" do
+        expect(plugin[:packages]["chef"][:version]).to eq("12.5.1")
       end
 
-      it 'gets sysv packages with version' do
-        expect(plugin[:packages]['mqm'][:version]).to eq('7.0.1.4')
+      it "gets sysv packages with version" do
+        expect(plugin[:packages]["mqm"][:version]).to eq("7.0.1.4")
       end
     end
   end
diff --git a/spec/unit/plugins/passwd_spec.rb b/spec/unit/plugins/passwd_spec.rb
index c12cddb4..b6559989 100644
--- a/spec/unit/plugins/passwd_spec.rb
+++ b/spec/unit/plugins/passwd_spec.rb
@@ -1,4 +1,4 @@
-require File.expand_path(File.dirname(__FILE__) + '/../../spec_helper.rb')
+require File.expand_path(File.dirname(__FILE__) + "/../../spec_helper.rb")
 
 describe Ohai::System, "plugin etc", :unix_only do
   before(:each) do
@@ -9,42 +9,42 @@ describe Ohai::System, "plugin etc", :unix_only do
   GroupEntry = Struct.new(:name, :gid, :mem)
 
   it "should include a list of all users" do
-    expect(Etc).to receive(:passwd).and_yield(PasswdEntry.new("root", 1, 1, '/root', '/bin/zsh', 'BOFH')).
-      and_yield(PasswdEntry.new('www', 800, 800, '/var/www', '/bin/false', 'Serving the web since 1970'))
+    expect(Etc).to receive(:passwd).and_yield(PasswdEntry.new("root", 1, 1, "/root", "/bin/zsh", "BOFH")).
+      and_yield(PasswdEntry.new("www", 800, 800, "/var/www", "/bin/false", "Serving the web since 1970"))
     @plugin.run
-    expect(@plugin[:etc][:passwd]['root']).to eq(Mash.new(:shell => '/bin/zsh', :gecos => 'BOFH', :gid => 1, :uid => 1, :dir => '/root'))
-    expect(@plugin[:etc][:passwd]['www']).to eq(Mash.new(:shell => '/bin/false', :gecos => 'Serving the web since 1970', :gid => 800, :uid => 800, :dir => '/var/www'))
+    expect(@plugin[:etc][:passwd]["root"]).to eq(Mash.new(:shell => "/bin/zsh", :gecos => "BOFH", :gid => 1, :uid => 1, :dir => "/root"))
+    expect(@plugin[:etc][:passwd]["www"]).to eq(Mash.new(:shell => "/bin/false", :gecos => "Serving the web since 1970", :gid => 800, :uid => 800, :dir => "/var/www"))
   end
 
   it "should ignore duplicate users" do
-    expect(Etc).to receive(:passwd).and_yield(PasswdEntry.new("root", 1, 1, '/root', '/bin/zsh', 'BOFH')).
-      and_yield(PasswdEntry.new('root', 1, 1, '/', '/bin/false', 'I do not belong'))
+    expect(Etc).to receive(:passwd).and_yield(PasswdEntry.new("root", 1, 1, "/root", "/bin/zsh", "BOFH")).
+      and_yield(PasswdEntry.new("root", 1, 1, "/", "/bin/false", "I do not belong"))
     @plugin.run
-    expect(@plugin[:etc][:passwd]['root']).to eq(Mash.new(:shell => '/bin/zsh', :gecos => 'BOFH', :gid => 1, :uid => 1, :dir => '/root'))
+    expect(@plugin[:etc][:passwd]["root"]).to eq(Mash.new(:shell => "/bin/zsh", :gecos => "BOFH", :gid => 1, :uid => 1, :dir => "/root"))
   end
 
   it "should set the current user" do
-    expect(Process).to receive(:euid).and_return('31337')
-    expect(Etc).to receive(:getpwuid).and_return(PasswdEntry.new('chef', 31337, 31337, '/home/chef', '/bin/ksh', 'Julia Child'))
+    expect(Process).to receive(:euid).and_return("31337")
+    expect(Etc).to receive(:getpwuid).and_return(PasswdEntry.new("chef", 31337, 31337, "/home/chef", "/bin/ksh", "Julia Child"))
     @plugin.run
-    expect(@plugin[:current_user]).to eq('chef')
+    expect(@plugin[:current_user]).to eq("chef")
   end
 
   it "should set the available groups" do
-    expect(Etc).to receive(:group).and_yield(GroupEntry.new("admin", 100, ['root', 'chef'])).and_yield(GroupEntry.new('www', 800, ['www', 'deploy']))
+    expect(Etc).to receive(:group).and_yield(GroupEntry.new("admin", 100, %w{root chef})).and_yield(GroupEntry.new("www", 800, %w{www deploy}))
     @plugin.run
-    expect(@plugin[:etc][:group]['admin']).to eq(Mash.new(:gid => 100, :members => ['root', 'chef']))
-    expect(@plugin[:etc][:group]['www']).to eq(Mash.new(:gid => 800, :members => ['www', 'deploy']))
+    expect(@plugin[:etc][:group]["admin"]).to eq(Mash.new(:gid => 100, :members => %w{root chef}))
+    expect(@plugin[:etc][:group]["www"]).to eq(Mash.new(:gid => 800, :members => %w{www deploy}))
   end
 
   if "".respond_to?(:force_encoding)
     it "sets the encoding of strings to the default external encoding" do
-      fields = ["root", 1, 1, '/root', '/bin/zsh', 'BOFH']
-      fields.each {|f| f.force_encoding(Encoding::ASCII_8BIT) if f.respond_to?(:force_encoding) }
+      fields = ["root", 1, 1, "/root", "/bin/zsh", "BOFH"]
+      fields.each { |f| f.force_encoding(Encoding::ASCII_8BIT) if f.respond_to?(:force_encoding) }
       allow(Etc).to receive(:passwd).and_yield(PasswdEntry.new(*fields))
       @plugin.run
-      root = @plugin[:etc][:passwd]['root']
-      expect(root['gecos'].encoding).to eq(Encoding.default_external)
+      root = @plugin[:etc][:passwd]["root"]
+      expect(root["gecos"].encoding).to eq(Encoding.default_external)
     end
   end
 end
diff --git a/spec/unit/plugins/perl_spec.rb b/spec/unit/plugins/perl_spec.rb
index b7eb0a7e..331ea9a4 100644
--- a/spec/unit/plugins/perl_spec.rb
+++ b/spec/unit/plugins/perl_spec.rb
@@ -17,7 +17,7 @@
 # limitations under the License.
 #
 
-require File.expand_path(File.dirname(__FILE__) + '/../../spec_helper.rb')
+require File.expand_path(File.dirname(__FILE__) + "/../../spec_helper.rb")
 
 describe Ohai::System, "plugin perl" do
   before(:each) do
diff --git a/spec/unit/plugins/php_spec.rb b/spec/unit/plugins/php_spec.rb
index ab735c42..4df8aae1 100644
--- a/spec/unit/plugins/php_spec.rb
+++ b/spec/unit/plugins/php_spec.rb
@@ -18,14 +18,14 @@
 # limitations under the License.
 #
 
-require File.expand_path(File.join(File.dirname(__FILE__), '..', '..', '/spec_helper.rb'))
+require File.expand_path(File.join(File.dirname(__FILE__), "..", "..", "/spec_helper.rb"))
 
 describe Ohai::System, "plugin php" do
 
   before(:each) do
     @plugin = get_plugin("php")
     @plugin[:languages] = Mash.new
-    @stdout =  <<-OUT
+    @stdout = <<-OUT
 PHP 5.1.6 (cli) (built: Jul 16 2008 19:52:52)
 Copyright (c) 1997-2006 The PHP Group
 Zend Engine v2.1.0, Copyright (c) 1998-2006 Zend Technologies
@@ -55,7 +55,7 @@ OUT
   end
 
   it "should parse builddate even if it's suhosin patched" do
-    @stdout =  <<-OUT
+    @stdout = <<-OUT
 PHP 5.3.27 with Suhosin-Patch (cli) (built: Aug 30 2013 04:30:30)
 Copyright (c) 1997-2013 The PHP Group
 Zend Engine v2.3.0, Copyright (c) 1998-2013 Zend Technologies
@@ -66,7 +66,7 @@ OUT
   end
 
   it "should not set zend_optcache_version if not compiled with opcache" do
-    @stdout =  <<-OUT
+    @stdout = <<-OUT
 PHP 5.1.6 (cli) (built: Jul 16 2008 19:52:52)
 Copyright (c) 1997-2006 The PHP Group
 Zend Engine v2.1.0, Copyright (c) 1998-2006 Zend Technologies
diff --git a/spec/unit/plugins/platform_spec.rb b/spec/unit/plugins/platform_spec.rb
index cbc98076..7e841c3f 100644
--- a/spec/unit/plugins/platform_spec.rb
+++ b/spec/unit/plugins/platform_spec.rb
@@ -16,15 +16,14 @@
 # limitations under the License.
 #
 
-
-require File.expand_path(File.dirname(__FILE__) + '/../../spec_helper.rb')
+require File.expand_path(File.dirname(__FILE__) + "/../../spec_helper.rb")
 
 describe Ohai::System, "plugin platform" do
   before(:each) do
     @plugin = get_plugin("platform")
     allow(@plugin).to receive(:collect_os).and_return(:default)
-    @plugin[:os] = 'monkey'
-    @plugin[:os_version] = 'poop'
+    @plugin[:os] = "monkey"
+    @plugin[:os_version] = "poop"
   end
 
   it "should set the platform and platform family to the os if it was not set earlier" do
@@ -34,20 +33,20 @@ describe Ohai::System, "plugin platform" do
   end
 
   it "should not set the platform to the os if it was set earlier" do
-    @plugin[:platform] = 'lars'
+    @plugin[:platform] = "lars"
     @plugin.run
     expect(@plugin[:platform]).to eql("lars")
   end
 
   it "should set the platform_family to the platform if platform was set earlier but not platform_family" do
-    @plugin[:platform] = 'lars'
-    @plugin[:platform_family] = 'jack'
+    @plugin[:platform] = "lars"
+    @plugin[:platform_family] = "jack"
     @plugin.run
     expect(@plugin[:platform_family]).to eql("jack")
   end
 
   it "should not set the platform_family if the platform_family was set earlier." do
-    @plugin[:platform] = 'lars'
+    @plugin[:platform] = "lars"
     @plugin.run
     expect(@plugin[:platform]).to eql("lars")
     expect(@plugin[:platform_family]).to eql("lars")
@@ -59,7 +58,7 @@ describe Ohai::System, "plugin platform" do
   end
 
   it "should not set the platform to the os if it was set earlier" do
-    @plugin[:platform_version] = 'ulrich'
+    @plugin[:platform_version] = "ulrich"
     @plugin.run
     expect(@plugin[:platform_version]).to eql("ulrich")
   end
diff --git a/spec/unit/plugins/powershell_spec.rb b/spec/unit/plugins/powershell_spec.rb
index fd7a7829..ae49698c 100644
--- a/spec/unit/plugins/powershell_spec.rb
+++ b/spec/unit/plugins/powershell_spec.rb
@@ -15,11 +15,11 @@
 # limitations under the License.
 #
 
-require File.expand_path(File.join(File.dirname(__FILE__), '..', '..', '/spec_helper.rb'))
+require File.expand_path(File.join(File.dirname(__FILE__), "..", "..", "/spec_helper.rb"))
 
 describe Ohai::System, "plugin powershell" do
   before do
-    stub_const('::RbConfig::CONFIG', {'host_os' => 'windows'})
+    stub_const("::RbConfig::CONFIG", { "host_os" => "windows" })
   end
 
   before(:each) do
@@ -50,7 +50,7 @@ END
     expect(@plugin.languages[:powershell][:serialization_version]).to eql("1.1.0.1")
     expect(@plugin.languages[:powershell][:clr_version]).to eql("4.0.30319.34014")
     expect(@plugin.languages[:powershell][:build_version]).to eql("6.3.9600.16394")
-    expect(@plugin.languages[:powershell][:compatible_versions]).to eql(['1.0', '2.0', '3.0', '4.0'])
+    expect(@plugin.languages[:powershell][:compatible_versions]).to eql(["1.0", "2.0", "3.0", "4.0"])
     expect(@plugin.languages[:powershell][:remoting_protocol_version]).to eql("2.2")
   end
 
diff --git a/spec/unit/plugins/python_spec.rb b/spec/unit/plugins/python_spec.rb
index 81bfe90a..87fd5c14 100644
--- a/spec/unit/plugins/python_spec.rb
+++ b/spec/unit/plugins/python_spec.rb
@@ -17,7 +17,7 @@
 # limitations under the License.
 #
 
-require File.expand_path(File.dirname(__FILE__) + '/../../spec_helper.rb')
+require File.expand_path(File.dirname(__FILE__) + "/../../spec_helper.rb")
 
 describe Ohai::System, "plugin python" do
   let(:stdout) { "2.5.2 (r252:60911, Jan  4 2009, 17:40:26)\n[GCC 4.3.2]\n" }
diff --git a/spec/unit/plugins/rackspace_spec.rb b/spec/unit/plugins/rackspace_spec.rb
index e1c6f13a..370abe5c 100644
--- a/spec/unit/plugins/rackspace_spec.rb
+++ b/spec/unit/plugins/rackspace_spec.rb
@@ -15,53 +15,53 @@
 # limitations under the License.
 #
 
-require 'resolv'
+require "resolv"
 
-require File.expand_path(File.dirname(__FILE__) + '/../../spec_helper.rb')
+require File.expand_path(File.dirname(__FILE__) + "/../../spec_helper.rb")
 
 describe Ohai::System, "plugin rackspace" do
   before(:each) do
     allow(Resolv).to receive(:getname).and_return("1.2.3.4")
     @plugin = get_plugin("rackspace")
     @plugin[:hostname] = "katie"
-    @plugin[:network] = {:interfaces => {:eth0 => {"addresses"=> {
-      "1.2.3.4"=> {
-        "broadcast"=> "67.23.20.255",
-        "netmask"=> "255.255.255.0",
-        "family"=> "inet"
+    @plugin[:network] = { :interfaces => { :eth0 => { "addresses" => {
+      "1.2.3.4" => {
+        "broadcast" => "67.23.20.255",
+        "netmask" => "255.255.255.0",
+        "family" => "inet",
       },
-      "2a00:1a48:7805:111:e875:efaf:ff08:75"=> {
-        "family"=> "inet6",
-        "prefixlen"=> "64",
-        "scope"=> "Global"
+      "2a00:1a48:7805:111:e875:efaf:ff08:75" => {
+        "family" => "inet6",
+        "prefixlen" => "64",
+        "scope" => "Global",
       },
-      "fe80::4240:95ff:fe47:6eed"=> {
-        "scope"=> "Link",
-        "prefixlen"=> "64",
-        "family"=> "inet6"
+      "fe80::4240:95ff:fe47:6eed" => {
+        "scope" => "Link",
+        "prefixlen" => "64",
+        "family" => "inet6",
       },
-      "40:40:95:47:6E:ED"=> {
-        "family"=> "lladdr"
-      }
-      }}
+      "40:40:95:47:6E:ED" => {
+        "family" => "lladdr"
+      },
+      } }
     }
   }
 
-  @plugin[:network][:interfaces][:eth1] = {:addresses => {
-    "fe80::4240:f5ff:feab:2836" => {
-      "scope"=> "Link",
-      "prefixlen"=> "64",
-      "family"=> "inet6"
-    },
-    "5.6.7.8"=> {
-      "broadcast"=> "10.176.191.255",
-      "netmask"=> "255.255.224.0",
-      "family"=> "inet"
-    },
-    "40:40:F5:AB:28:36" => {
-      "family"=> "lladdr"
-    }
-  }}
+    @plugin[:network][:interfaces][:eth1] = { :addresses => {
+      "fe80::4240:f5ff:feab:2836" => {
+        "scope" => "Link",
+        "prefixlen" => "64",
+        "family" => "inet6",
+      },
+      "5.6.7.8" => {
+        "broadcast" => "10.176.191.255",
+        "netmask" => "255.255.224.0",
+        "family" => "inet",
+      },
+      "40:40:F5:AB:28:36" => {
+        "family" => "lladdr"
+      },
+    } }
 
     # In olden days we could detect rackspace by a -rscloud suffix on the kernel
     # This is here to make #has_rackspace_kernel? fail until we remove that check
@@ -72,7 +72,7 @@ describe Ohai::System, "plugin rackspace" do
     allow(@plugin).to receive(:shell_out).and_return(mock_shell_out(1, "", ""))
   end
 
-  shared_examples_for "!rackspace"  do
+  shared_examples_for "!rackspace" do
     it "should NOT create rackspace" do
       @plugin.run
       expect(@plugin[:rackspace]).to be_nil
@@ -119,7 +119,7 @@ describe Ohai::System, "plugin rackspace" do
       expect(@plugin[:rackspace][:public_ipv4]).to eq("1.2.3.4")
       expect(@plugin[:rackspace][:local_ipv4]).to eq("5.6.7.8")
       expect(@plugin[:rackspace][:public_ipv6]).to eq("2a00:1a48:7805:111:e875:efaf:ff08:75")
-      expect(@plugin[:rackspace][:local_hostname]).to eq('katie')
+      expect(@plugin[:rackspace][:local_hostname]).to eq("katie")
       expect(@plugin[:rackspace][:public_hostname]).to eq("1.2.3.4")
     end
 
@@ -149,18 +149,18 @@ OUT
 
     before(:each) do
       allow(Resolv).to receive(:getname).and_raise(Resolv::ResolvError)
-      allow(File).to receive(:exist?).with('/etc/chef/ohai/hints/rackspace.json').and_return(true)
-      allow(File).to receive(:read).with('/etc/chef/ohai/hints/rackspace.json').and_return('')
+      allow(File).to receive(:exist?).with("/etc/chef/ohai/hints/rackspace.json").and_return(true)
+      allow(File).to receive(:read).with("/etc/chef/ohai/hints/rackspace.json").and_return("")
       allow(File).to receive(:exist?).with('C:\chef\ohai\hints/rackspace.json').and_return(true)
-      allow(File).to receive(:read).with('C:\chef\ohai\hints/rackspace.json').and_return('')
-      allow(File).to receive(:exist?).with('/etc/resolv.conf').and_return(true)
-      allow(File).to receive(:read).with('/etc/resolv.conf').and_return('')
+      allow(File).to receive(:read).with('C:\chef\ohai\hints/rackspace.json').and_return("")
+      allow(File).to receive(:exist?).with("/etc/resolv.conf").and_return(true)
+      allow(File).to receive(:read).with("/etc/resolv.conf").and_return("")
     end
 
-    describe 'with no public interfaces (empty eth0)' do
+    describe "with no public interfaces (empty eth0)" do
       before do
         # unset public (eth0) addresses
-        @plugin[:network][:interfaces][:eth0]['addresses'] = {}
+        @plugin[:network][:interfaces][:eth0]["addresses"] = {}
       end
 
       it "should have all required attributes" do
@@ -181,7 +181,7 @@ OUT
         @plugin.run
         expect(@plugin[:rackspace][:private_ip]).to eq("5.6.7.8")
         expect(@plugin[:rackspace][:local_ipv4]).to eq("5.6.7.8")
-        expect(@plugin[:rackspace][:local_hostname]).to eq('katie')
+        expect(@plugin[:rackspace][:local_hostname]).to eq("katie")
       end
     end
   end
@@ -190,7 +190,7 @@ OUT
     it_should_behave_like "!rackspace"
 
     before(:each) do
-      allow(File).to receive(:exist?).with('/etc/chef/ohai/hints/rackspace.json').and_return(false)
+      allow(File).to receive(:exist?).with("/etc/chef/ohai/hints/rackspace.json").and_return(false)
       allow(File).to receive(:exist?).with('C:\chef\ohai\hints/rackspace.json').and_return(false)
     end
   end
@@ -199,12 +199,12 @@ OUT
     it_should_behave_like "!rackspace"
 
     before(:each) do
-      allow(File).to receive(:exist?).with('/etc/chef/ohai/hints/ec2.json').and_return(true)
-      allow(File).to receive(:read).with('/etc/chef/ohai/hints/ec2.json').and_return('')
+      allow(File).to receive(:exist?).with("/etc/chef/ohai/hints/ec2.json").and_return(true)
+      allow(File).to receive(:read).with("/etc/chef/ohai/hints/ec2.json").and_return("")
       allow(File).to receive(:exist?).with('C:\chef\ohai\hints/ec2.json').and_return(true)
-      allow(File).to receive(:read).with('C:\chef\ohai\hints/ec2.json').and_return('')
+      allow(File).to receive(:read).with('C:\chef\ohai\hints/ec2.json').and_return("")
 
-      allow(File).to receive(:exist?).with('/etc/chef/ohai/hints/rackspace.json').and_return(false)
+      allow(File).to receive(:exist?).with("/etc/chef/ohai/hints/rackspace.json").and_return(false)
       allow(File).to receive(:exist?).with('C:\chef\ohai\hints/rackspace.json').and_return(false)
     end
   end
@@ -234,10 +234,10 @@ OUT
       stdout = '{"label": "public", "broadcast": "9.10.11.255", "ips": [{"ip": "9.10.11.12", "netmask": "255.255.255.0", "enabled": "1", "gateway": null}], "mac": "BC:76:4E:20:42:2B", "dns": ["69.20.0.164", "69.20.0.196"], "gateway": null}'
       allow(@plugin).to receive(:shell_out).with("xenstore-read vm-data/networking/BC764E20422B").and_return(mock_shell_out(0, stdout, "" ))
 
-      allow(File).to receive(:exist?).with('/etc/chef/ohai/hints/rackspace.json').and_return(true)
-      allow(File).to receive(:read).with('/etc/chef/ohai/hints/rackspace.json').and_return('')
+      allow(File).to receive(:exist?).with("/etc/chef/ohai/hints/rackspace.json").and_return(true)
+      allow(File).to receive(:read).with("/etc/chef/ohai/hints/rackspace.json").and_return("")
       allow(File).to receive(:exist?).with('C:\chef\ohai\hints/rackspace.json').and_return(true)
-      allow(File).to receive(:read).with('C:\chef\ohai\hints/rackspace.json').and_return('')
+      allow(File).to receive(:read).with('C:\chef\ohai\hints/rackspace.json').and_return("")
     end
 
     it "should not have private_networks object" do
@@ -248,30 +248,30 @@ OUT
 
   describe "has private networks" do
     before do
-      @plugin[:network][:interfaces][:eth2] = {:addresses => {
+      @plugin[:network][:interfaces][:eth2] = { :addresses => {
         "fe80::be76:4eff:fe20:422b" => {
-          "scope"=> "Link",
-          "prefixlen"=> "64",
-          "family"=> "inet6"
+          "scope" => "Link",
+          "prefixlen" => "64",
+          "family" => "inet6",
        },
-        "9.10.11.12"=> {
-          "broadcast"=> "9.10.11.255",
-          "netmask"=> "255.255.255.0",
-          "family"=> "inet"
+        "9.10.11.12" => {
+          "broadcast" => "9.10.11.255",
+          "netmask" => "255.255.255.0",
+          "family" => "inet",
         },
         "BC:76:4E:20:42:2B" => {
-          "family"=> "lladdr"
-        }
-      }}
+          "family" => "lladdr"
+        },
+      } }
       stdout = 'BC764E20422B = "{"label": "private-network"}"\n'
       allow(@plugin).to receive(:shell_out).with("xenstore-ls vm-data/networking").and_return(mock_shell_out(0, stdout, "" ))
       stdout = '{"label": "private-network", "broadcast": "9.10.11.255", "ips": [{"ip": "9.10.11.12", "netmask": "255.255.255.0", "enabled": "1", "gateway": null}], "mac": "BC:76:4E:20:42:2B", "dns": ["69.20.0.164", "69.20.0.196"], "gateway": null}'
       allow(@plugin).to receive(:shell_out).with("xenstore-read vm-data/networking/BC764E20422B").and_return(mock_shell_out(0, stdout, "" ))
 
-      allow(File).to receive(:exist?).with('/etc/chef/ohai/hints/rackspace.json').and_return(true)
-      allow(File).to receive(:read).with('/etc/chef/ohai/hints/rackspace.json').and_return('')
+      allow(File).to receive(:exist?).with("/etc/chef/ohai/hints/rackspace.json").and_return(true)
+      allow(File).to receive(:read).with("/etc/chef/ohai/hints/rackspace.json").and_return("")
       allow(File).to receive(:exist?).with('C:\chef\ohai\hints/rackspace.json').and_return(true)
-      allow(File).to receive(:read).with('C:\chef\ohai\hints/rackspace.json').and_return('')
+      allow(File).to receive(:read).with('C:\chef\ohai\hints/rackspace.json').and_return("")
     end
 
     it "should private_networks object" do
@@ -288,6 +288,4 @@ OUT
 
   end
 
-
-
 end
diff --git a/spec/unit/plugins/root_group_spec.rb b/spec/unit/plugins/root_group_spec.rb
index 13d04b41..67ee4c11 100644
--- a/spec/unit/plugins/root_group_spec.rb
+++ b/spec/unit/plugins/root_group_spec.rb
@@ -16,73 +16,73 @@
 # limitations under the License.
 #
 
-require File.expand_path(File.dirname(__FILE__) + '/../../spec_helper.rb')
-require File.expand_path(File.dirname(__FILE__) + '/../../../lib/ohai/util/win32/group_helper.rb')
+require File.expand_path(File.dirname(__FILE__) + "/../../spec_helper.rb")
+require File.expand_path(File.dirname(__FILE__) + "/../../../lib/ohai/util/win32/group_helper.rb")
 
-describe Ohai::System, 'root_group' do
+describe Ohai::System, "root_group" do
   before(:each) do
     @plugin = get_plugin("root_group")
   end
 
-  describe 'unix platform', :unix_only do
+  describe "unix platform", :unix_only do
     before(:each) do
       # this is deeply intertwingled. unfortunately, the law of demeter
       # apparently didn't apply to this api. we're just trying to fake
       # Etc.getgrgid(Etc.getpwnam('root').gid).name
       @pwnam = Object.new
       allow(@pwnam).to receive(:gid).and_return(0)
-      allow(Etc).to receive(:getpwnam).with('root').and_return(@pwnam)
+      allow(Etc).to receive(:getpwnam).with("root").and_return(@pwnam)
       @grgid = Object.new
       allow(Etc).to receive(:getgrgid).and_return(@grgid)
     end
 
-    describe 'with wheel group' do
+    describe "with wheel group" do
       before(:each) do
-        allow(@grgid).to receive(:name).and_return('wheel')
+        allow(@grgid).to receive(:name).and_return("wheel")
       end
-      it 'should have a root_group of wheel' do
+      it "should have a root_group of wheel" do
         @plugin.run
-        expect(@plugin[:root_group]).to eq('wheel')
+        expect(@plugin[:root_group]).to eq("wheel")
       end
     end
 
-    describe 'with root group' do
+    describe "with root group" do
       before(:each) do
-        allow(@grgid).to receive(:name).and_return('root')
+        allow(@grgid).to receive(:name).and_return("root")
       end
-      it 'should have a root_group of root' do
+      it "should have a root_group of root" do
         @plugin.run
-        expect(@plugin[:root_group]).to eq('root')
+        expect(@plugin[:root_group]).to eq("root")
       end
     end
 
-    describe 'platform hpux with sys group' do
+    describe "platform hpux with sys group" do
       before(:each) do
         allow(@pwnam).to receive(:gid).and_return(3)
-        allow(@grgid).to receive(:name).and_return('sys')
+        allow(@grgid).to receive(:name).and_return("sys")
       end
-      it 'should have a root_group of sys' do
+      it "should have a root_group of sys" do
         @plugin.run
-        expect(@plugin[:root_group]).to eq('sys')
+        expect(@plugin[:root_group]).to eq("sys")
       end
     end
-    describe 'platform aix with system group' do
+    describe "platform aix with system group" do
       before(:each) do
-        allow(@grgid).to receive(:name).and_return('system')
+        allow(@grgid).to receive(:name).and_return("system")
       end
-      it 'should have a root_group of system' do
+      it "should have a root_group of system" do
         @plugin.run
-        expect(@plugin[:root_group]).to eq('system')
+        expect(@plugin[:root_group]).to eq("system")
       end
     end
   end
 
-  describe 'windows platform' do
-    it 'should return the group administrators' do
-      stub_const('::RbConfig::CONFIG', { 'host_os' => 'windows'} )
-      expect(Ohai::Util::Win32::GroupHelper).to receive(:windows_root_group_name).and_return('administrators')
+  describe "windows platform" do
+    it "should return the group administrators" do
+      stub_const("::RbConfig::CONFIG", { "host_os" => "windows" } )
+      expect(Ohai::Util::Win32::GroupHelper).to receive(:windows_root_group_name).and_return("administrators")
       @plugin.run
-      expect(@plugin[:root_group]).to eq('administrators')
+      expect(@plugin[:root_group]).to eq("administrators")
     end
   end
 end
diff --git a/spec/unit/plugins/ruby_spec.rb b/spec/unit/plugins/ruby_spec.rb
index 2319432a..c57755f5 100644
--- a/spec/unit/plugins/ruby_spec.rb
+++ b/spec/unit/plugins/ruby_spec.rb
@@ -16,10 +16,9 @@
 # limitations under the License.
 #
 
+require File.expand_path(File.dirname(__FILE__) + "/../../spec_helper.rb")
 
-require File.expand_path(File.dirname(__FILE__) + '/../../spec_helper.rb')
-
-ruby_bin = File.join(::RbConfig::CONFIG['bindir'], ::RbConfig::CONFIG['ruby_install_name'])
+ruby_bin = File.join(::RbConfig::CONFIG["bindir"], ::RbConfig::CONFIG["ruby_install_name"])
 
 describe Ohai::System, "plugin ruby" do
 
@@ -39,18 +38,18 @@ describe Ohai::System, "plugin ruby" do
     :platform => RUBY_PLATFORM,
     :version => RUBY_VERSION,
     :release_date => RUBY_RELEASE_DATE,
-    :target => ::RbConfig::CONFIG['target'],
-    :target_cpu => ::RbConfig::CONFIG['target_cpu'],
-    :target_vendor => ::RbConfig::CONFIG['target_vendor'],
-    :target_os => ::RbConfig::CONFIG['target_os'],
-    :host => ::RbConfig::CONFIG['host'],
-    :host_cpu => ::RbConfig::CONFIG['host_cpu'],
-    :host_os => ::RbConfig::CONFIG['host_os'],
-    :host_vendor => ::RbConfig::CONFIG['host_vendor'],
-    :gems_dir => %x{#{ruby_bin} #{::RbConfig::CONFIG['bindir']}/gem env gemdir}.chomp,
-    :gem_bin => [ ::Gem.default_exec_format % 'gem', 'gem' ].map{|bin| "#{::RbConfig::CONFIG['bindir']}/#{bin}"
-    }.find{|bin| ::File.exists? bin},
-    :ruby_bin => ruby_bin
+    :target => ::RbConfig::CONFIG["target"],
+    :target_cpu => ::RbConfig::CONFIG["target_cpu"],
+    :target_vendor => ::RbConfig::CONFIG["target_vendor"],
+    :target_os => ::RbConfig::CONFIG["target_os"],
+    :host => ::RbConfig::CONFIG["host"],
+    :host_cpu => ::RbConfig::CONFIG["host_cpu"],
+    :host_os => ::RbConfig::CONFIG["host_os"],
+    :host_vendor => ::RbConfig::CONFIG["host_vendor"],
+    :gems_dir => `#{ruby_bin} #{::RbConfig::CONFIG["bindir"]}/gem env gemdir`.chomp,
+    :gem_bin => [ ::Gem.default_exec_format % "gem", "gem" ].map {|bin| "#{::RbConfig::CONFIG['bindir']}/#{bin}"
+    }.find { |bin| ::File.exists? bin },
+    :ruby_bin => ruby_bin,
   }.each do |attribute, value|
     it "should have #{attribute} set to #{value.inspect}" do
       expect(@ruby_ohai_data[attribute]).to eql(value)
diff --git a/spec/unit/plugins/rust_spec.rb b/spec/unit/plugins/rust_spec.rb
index aa4e495f..daa45d48 100644
--- a/spec/unit/plugins/rust_spec.rb
+++ b/spec/unit/plugins/rust_spec.rb
@@ -14,10 +14,10 @@
 # limitations under the License.
 #
 
-require File.expand_path(File.join(File.dirname(__FILE__), '..', '..', '/spec_helper.rb'))
+require File.expand_path(File.join(File.dirname(__FILE__), "..", "..", "/spec_helper.rb"))
 
 describe Ohai::System, "plugin rust" do
-  let(:stdout) {"rustc 1.0.0-nightly (29bd9a06e 2015-01-20 23:03:09 +0000)"}
+  let(:stdout) { "rustc 1.0.0-nightly (29bd9a06e 2015-01-20 23:03:09 +0000)" }
   let (:plugin) do
     plugin = get_plugin("rust")
     plugin[:languages] = Mash.new
diff --git a/spec/unit/plugins/sigar/network_route_spec.rb b/spec/unit/plugins/sigar/network_route_spec.rb
index 4543f7b7..b3b2ec4d 100644
--- a/spec/unit/plugins/sigar/network_route_spec.rb
+++ b/spec/unit/plugins/sigar/network_route_spec.rb
@@ -16,16 +16,16 @@
 # limitations under the License.
 #
 
-require File.expand_path(File.dirname(__FILE__) + '/../../../spec_helper.rb')
+require File.expand_path(File.dirname(__FILE__) + "/../../../spec_helper.rb")
 
 sigar_available = begin
-  require 'sigar'
+  require "sigar"
   true
 rescue LoadError
   false
 end
 
-require 'ohai'
+require "ohai"
 
 describe Ohai::System, "Sigar network route plugin" do
 
@@ -36,18 +36,18 @@ describe Ohai::System, "Sigar network route plugin" do
       @plugin = get_plugin("sigar/network", @ohai)
       allow(@plugin).to receive(:collect_os).and_return(:sigar)
       @sigar = double("Sigar")
-      @net_info_conf={
+      @net_info_conf = {
         :default_gateway => "192.168.1.254",
         :default_gateway_interface => "eth0",
         :primary_dns => "192.168.1.254",
         :secondary_dns => "8.8.8.8",
-        :host_name => "localhost"
+        :host_name => "localhost",
       }
-      net_info=double("Sigar::NetInfo")
-      @net_info_conf.each_pair do |k,v|
+      net_info = double("Sigar::NetInfo")
+      @net_info_conf.each_pair do |k, v|
         allow(net_info).to receive(k).and_return(v)
       end
-      @net_route_conf={
+      @net_route_conf = {
         :destination => "192.168.1.0",
         :gateway => "0.0.0.0",
         :mask => "255.255.255.0",
@@ -58,13 +58,13 @@ describe Ohai::System, "Sigar network route plugin" do
         :mtu => 0,
         :window => 0,
         :irtt => 0,
-        :ifname => "eth0"
+        :ifname => "eth0",
       }
-      net_route=double("Sigar::NetRoute")
-      @net_route_conf.each_pair do |k,v|
+      net_route = double("Sigar::NetRoute")
+      @net_route_conf.each_pair do |k, v|
         allow(net_route).to receive(k).and_return(v)
       end
-      @net_interface_conf={
+      @net_interface_conf = {
         :flags => 2115,
         :destination => "192.168.1.1",
         :mtu => 1500,
@@ -77,39 +77,39 @@ describe Ohai::System, "Sigar network route plugin" do
         :tx_queue_len => 1000,
         :prefix6_length => 0,
       }
-      net_conf=double("Sigar::NetConf")
-      @net_interface_conf.each_pair do |k,v|
+      net_conf = double("Sigar::NetConf")
+      @net_interface_conf.each_pair do |k, v|
         allow(net_conf).to receive(k).and_return(v)
       end
-      @net_interface_stat={
-        :rx_bytes=>1369035618,
-        :rx_dropped=>0,
-        :rx_errors=>0,
-        :rx_frame=>0,
-        :rx_overruns=>0,
-        :rx_packets=>7271669,
-        :speed=>-1,
-        :tx_bytes=>3482843666,
-        :tx_carrier=>0,
-        :tx_collisions=>0,
-        :tx_dropped=>0,
-        :tx_errors=>0,
-        :tx_overruns=>0,
-        :tx_packets=>4392794
+      @net_interface_stat = {
+        :rx_bytes => 1369035618,
+        :rx_dropped => 0,
+        :rx_errors => 0,
+        :rx_frame => 0,
+        :rx_overruns => 0,
+        :rx_packets => 7271669,
+        :speed => -1,
+        :tx_bytes => 3482843666,
+        :tx_carrier => 0,
+        :tx_collisions => 0,
+        :tx_dropped => 0,
+        :tx_errors => 0,
+        :tx_overruns => 0,
+        :tx_packets => 4392794,
       }
-      net_stat=double("Sigar::NetStat")
-      @net_interface_stat.each_pair do |k,v|
+      net_stat = double("Sigar::NetStat")
+      @net_interface_stat.each_pair do |k, v|
         allow(net_stat).to receive(k).and_return(v)
       end
-      @net_arp_conf={
+      @net_arp_conf = {
         :address => "192.168.1.5",
         :flags => 2,
         :hwaddr => "00:15:62:96:01:D0",
         :ifname => "eth0",
         :type => "ether",
       }
-      net_arp=double("Sigar::NetArp")
-      @net_arp_conf.each_pair do |k,v|
+      net_arp = double("Sigar::NetArp")
+      @net_arp_conf.each_pair do |k, v|
         allow(net_arp).to receive(k).and_return(v)
       end
       allow(@sigar).to receive(:fqdn).and_return("localhost.localdomain")
@@ -131,10 +131,10 @@ describe Ohai::System, "Sigar network route plugin" do
     end
 
     it "should set the route details" do
-      @net_route_conf.each_pair do |k,v|
+      @net_route_conf.each_pair do |k, v|
         # Work around the above doubleing of net_route_list skipping the call to flags()
         if k == :flags
-          v="U"
+          v = "U"
           @plugin[:network][:interfaces][:eth0][:route]["192.168.1.0"][k] = v
         end
         expect(@plugin[:network][:interfaces][:eth0][:route]["192.168.1.0"]).to have_key(k)
diff --git a/spec/unit/plugins/softlayer_spec.rb b/spec/unit/plugins/softlayer_spec.rb
index 0d0c45ae..a8370962 100644
--- a/spec/unit/plugins/softlayer_spec.rb
+++ b/spec/unit/plugins/softlayer_spec.rb
@@ -17,42 +17,42 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-require File.expand_path(File.dirname(__FILE__) + '/../../spec_helper.rb')
+require File.expand_path(File.dirname(__FILE__) + "/../../spec_helper.rb")
 
-describe Ohai::System, 'plugin softlayer' do
+describe Ohai::System, "plugin softlayer" do
   let(:plugin) { get_plugin("softlayer") }
 
   it "not create softlayer if hint file doesn't exists" do
-    allow(@plugin).to receive(:hint?).with('softlayer').and_return(false)
+    allow(@plugin).to receive(:hint?).with("softlayer").and_return(false)
     plugin.run
     expect(plugin[:softlayer]).to be_nil
   end
 
   it "do not create node if fetch_metadata raise an error" do
-    allow(plugin).to receive(:hint?).with('softlayer').and_return(false)
+    allow(plugin).to receive(:hint?).with("softlayer").and_return(false)
     allow(plugin).to receive(:fetch_metadata).and_raise(StandardError.new("TEST"))
     plugin.run
     expect(plugin[:softlayer]).to be_nil
   end
 
   it "create empty node if fetch_metadata return empty hash" do
-    allow(plugin).to receive(:hint?).with('softlayer').and_return(true)
+    allow(plugin).to receive(:hint?).with("softlayer").and_return(true)
     allow(plugin).to receive(:fetch_metadata).and_return({})
     plugin.run
     expect(plugin[:softlayer]).to eq({})
   end
 
   it "create empty node if fetch_metadata return hash with nil values" do
-    metadata = { 'local_ipv4' => nil, 'public_ipv4' => nil, 'public_fqdn' => nil}
-    allow(plugin).to receive(:hint?).with('softlayer').and_return(true)
+    metadata = { "local_ipv4" => nil, "public_ipv4" => nil, "public_fqdn" => nil }
+    allow(plugin).to receive(:hint?).with("softlayer").and_return(true)
     allow(plugin).to receive(:fetch_metadata).and_return(metadata)
     plugin.run
     expect(plugin[:softlayer]).to eq(metadata)
   end
 
-  it 'populate softlayer node with required attributes' do
-    metadata = { 'local_ipv4' => '192.168.0.1', 'public_ipv4' => '8.8.8.8', 'public_fqdn' => 'abc1234.public.com'}
-    allow(plugin).to receive(:hint?).with('softlayer').and_return(true)
+  it "populate softlayer node with required attributes" do
+    metadata = { "local_ipv4" => "192.168.0.1", "public_ipv4" => "8.8.8.8", "public_fqdn" => "abc1234.public.com" }
+    allow(plugin).to receive(:hint?).with("softlayer").and_return(true)
     allow(plugin).to receive(:fetch_metadata).and_return(metadata)
     plugin.run
     expect(plugin[:softlayer]).to eq(metadata)
diff --git a/spec/unit/plugins/solaris2/cpu_spec.rb b/spec/unit/plugins/solaris2/cpu_spec.rb
index e4b1d891..c183b796 100644
--- a/spec/unit/plugins/solaris2/cpu_spec.rb
+++ b/spec/unit/plugins/solaris2/cpu_spec.rb
@@ -14,14 +14,14 @@
 # limitations under the License.
 #
 
-require File.expand_path(File.dirname(__FILE__) + '/../../../spec_helper.rb')
+require File.expand_path(File.dirname(__FILE__) + "/../../../spec_helper.rb")
 
 describe Ohai::System, "Solaris2.X cpu plugin" do
   before(:each) do
     @plugin = get_plugin("solaris2/cpu")
     allow(@plugin).to receive(:collect_os).and_return("solaris2")
   end
-  
+
   describe "on x86 processors" do
     before(:each) do
       kstatinfo_output = <<-END
@@ -91,7 +91,7 @@ cpu_info:2:cpu_info2:current_cstate     0
 cpu_info:2:cpu_info2:family     12
 cpu_info:2:cpu_info2:fpu_type   i387 compatible
 cpu_info:2:cpu_info2:implementation     x86 (chipid 0x1 GenuineIntel family 6 model 26 step 5 clock 2926 MHz)
-cpu_info:2:cpu_info2:model     93 
+cpu_info:2:cpu_info2:model     93
 cpu_info:2:cpu_info2:ncore_per_chip     4
 cpu_info:2:cpu_info2:ncpu_per_chip      8
 cpu_info:2:cpu_info2:pg_id      7
@@ -247,7 +247,7 @@ cpu_info:8:cpu_info8:current_cstate     1
 cpu_info:8:cpu_info8:family     12
 cpu_info:8:cpu_info8:fpu_type   i387 compatible
 cpu_info:8:cpu_info8:implementation     x86 (chipid 0x1 GenuineIntel family 6 model 26 step 5 clock 2926 MHz)
-cpu_info:8:cpu_info8:model     93 
+cpu_info:8:cpu_info8:model     93
 cpu_info:8:cpu_info8:ncore_per_chip     4
 cpu_info:8:cpu_info8:ncpu_per_chip      8
 cpu_info:8:cpu_info8:pg_id      1
@@ -461,14 +461,14 @@ END
     it "should get the total number of online cores" do
       expect(@plugin["cpu"]["cpustates"]["on-line"]).to eql (8)
     end
-   
+
     it "should get the total number of offline cores" do
       expect(@plugin["cpu"]["cpustates"]["off-line"]).to eql (8)
     end
- 
+
     describe "per-cpu information" do
       it "should include processor vendor_ids" do
-        # CPU Socket 0 
+        # CPU Socket 0
         expect(@plugin["cpu"]["15"]["vendor_id"]).to eql("GenuineIntel")
         expect(@plugin["cpu"]["13"]["vendor_id"]).to eql("GenuineIntel")
         expect(@plugin["cpu"]["11"]["vendor_id"]).to eql("GenuineIntel")
@@ -566,7 +566,7 @@ END
         expect(@plugin["cpu"]["4"]["stepping"]).to eql("9")
         expect(@plugin["cpu"]["2"]["stepping"]).to eql("9")
         expect(@plugin["cpu"]["0"]["stepping"]).to eql("9")
- 
+
       end
 
       it "should include processor model names" do
@@ -627,8 +627,7 @@ END
       end
     end
   end
-  
-  
+
   describe "on sparc processors" do
     before(:each) do
       kstatinfo_output = <<-END
@@ -2812,7 +2811,7 @@ END
       allow(@plugin).to receive(:shell_out).with("kstat -p cpu_info").and_return(mock_shell_out(0, kstatinfo_output, ""))
       @plugin.run
     end
-    
+
     it "should get the total virtual processor count" do
       expect(@plugin["cpu"]["total"]).to eql(128)
     end
@@ -2820,11 +2819,11 @@ END
     it "should get the total processor count" do
       expect(@plugin["cpu"]["real"]).to eql(1)
     end
-    
+
     it "should get the total core count" do
       expect(@plugin["cpu"]["cores"]).to eql(16)
     end
-   
+
     it "should get the number of threads per core" do
       expect(@plugin["cpu"]["corethreads"]).to eql(8)
     end
@@ -2832,11 +2831,11 @@ END
     it "should get the total number of online cores" do
       expect(@plugin["cpu"]["cpustates"]["on-line"]).to eql(124)
     end
-   
+
     it "should get the total number of offline cores" do
       expect(@plugin["cpu"]["cpustates"]["off-line"]).to eql(4)
     end
-     
+
     describe "per-cpu information" do
       it "should include processor model names" do
         expect(@plugin["cpu"]["0"]["model_name"]).to eql("SPARC-T3")
@@ -2890,7 +2889,7 @@ END
         expect(@plugin["cpu"]["120"]["core_id"]).to eql("1131")
       end
 
-     it "should include processor architecture" do
+      it "should include processor architecture" do
         expect(@plugin["cpu"]["0"]["arch"]).to eql("sparcv9")
         expect(@plugin["cpu"]["1"]["arch"]).to eql("sparcv9")
         expect(@plugin["cpu"]["2"]["arch"]).to eql("sparcv9")
@@ -2899,9 +2898,9 @@ END
         expect(@plugin["cpu"]["125"]["arch"]).to eql("sparcv9")
         expect(@plugin["cpu"]["126"]["arch"]).to eql("sparcv9")
         expect(@plugin["cpu"]["127"]["arch"]).to eql("sparcv9")
-     end
+      end
 
-     it "should include processor FPU type" do
+      it "should include processor FPU type" do
         expect(@plugin["cpu"]["0"]["fpu_type"]).to eql("sparcv9")
         expect(@plugin["cpu"]["1"]["fpu_type"]).to eql("sparcv9")
         expect(@plugin["cpu"]["2"]["fpu_type"]).to eql("sparcv9")
@@ -2910,9 +2909,9 @@ END
         expect(@plugin["cpu"]["125"]["fpu_type"]).to eql("sparcv9")
         expect(@plugin["cpu"]["126"]["fpu_type"]).to eql("sparcv9")
         expect(@plugin["cpu"]["127"]["fpu_type"]).to eql("sparcv9")
-     end
+      end
 
-     it "should include processor state" do
+      it "should include processor state" do
         expect(@plugin["cpu"]["0"]["state"]).to eql("on-line")
         expect(@plugin["cpu"]["1"]["state"]).to eql("on-line")
         expect(@plugin["cpu"]["2"]["state"]).to eql("on-line")
@@ -2921,7 +2920,7 @@ END
         expect(@plugin["cpu"]["125"]["state"]).to eql("off-line")
         expect(@plugin["cpu"]["126"]["state"]).to eql("off-line")
         expect(@plugin["cpu"]["127"]["state"]).to eql("off-line")
-     end
+      end
     end
   end
 end
diff --git a/spec/unit/plugins/solaris2/dmi_spec.rb b/spec/unit/plugins/solaris2/dmi_spec.rb
index add22ec1..261c4431 100644
--- a/spec/unit/plugins/solaris2/dmi_spec.rb
+++ b/spec/unit/plugins/solaris2/dmi_spec.rb
@@ -16,7 +16,7 @@
 # limitations under the License.
 #
 
-require File.expand_path(File.dirname(__FILE__) + '/../../../spec_helper.rb')
+require File.expand_path(File.dirname(__FILE__) + "/../../../spec_helper.rb")
 
 SOLARIS_DMI_OUT = <<-EOS
 ID    SIZE TYPE
@@ -127,16 +127,16 @@ describe Ohai::System, "Solaris2.X DMI plugin" do
   {
     bios: {
       vendor: "American Megatrends Inc.",
-      release_date: "08/26/2014"
+      release_date: "08/26/2014",
     },
     system: {
       manufacturer: "System manufacturer",
-      product: "System Product Name"
+      product: "System Product Name",
     },
     chassis: {
       lock_present: "N",
-      asset_tag: "PCS"
-    }
+      asset_tag: "PCS",
+    },
   }.each do |id, data|
     data.each do |attribute, value|
       it "should have [:dmi][:#{id}][:#{attribute}] set" do
@@ -151,4 +151,3 @@ describe Ohai::System, "Solaris2.X DMI plugin" do
     expect(@plugin[:dmi]).not_to have_key(:on_board_devices)
   end
 end
-
diff --git a/spec/unit/plugins/solaris2/filesystem.rb b/spec/unit/plugins/solaris2/filesystem.rb
index f8a8c29b..1ed36cf7 100644
--- a/spec/unit/plugins/solaris2/filesystem.rb
+++ b/spec/unit/plugins/solaris2/filesystem.rb
@@ -15,7 +15,7 @@
 # limitations under the License.
 #
 
-require_relative '../../../spec_helper'
+require_relative "../../../spec_helper"
 
 describe Ohai::System, "Solaris2.X filesystem plugin" do
   let(:plugin) { get_plugin("solaris2/filesystem") }
@@ -68,15 +68,15 @@ describe Ohai::System, "Solaris2.X filesystem plugin" do
 
       context "as a String" do
         include_examples "configured zfs properties" do
-          let(:zfs_properties) { 'mountpoint,creation,available,used' }
-          let(:expected_cmd) { 'mountpoint,creation,available,used' }
+          let(:zfs_properties) { "mountpoint,creation,available,used" }
+          let(:expected_cmd) { "mountpoint,creation,available,used" }
         end
       end
 
       context "as an Array" do
         include_examples "configured zfs properties" do
-          let(:zfs_properties) { ['mountpoint', 'creation', 'available', 'used'] }
-          let(:expected_cmd) { 'mountpoint,creation,available,used' }
+          let(:zfs_properties) { %w{mountpoint creation available used} }
+          let(:expected_cmd) { "mountpoint,creation,available,used" }
         end
       end
     end
diff --git a/spec/unit/plugins/solaris2/hostname_spec.rb b/spec/unit/plugins/solaris2/hostname_spec.rb
index 00c2936c..6b793abe 100644
--- a/spec/unit/plugins/solaris2/hostname_spec.rb
+++ b/spec/unit/plugins/solaris2/hostname_spec.rb
@@ -16,7 +16,7 @@
 # limitations under the License.
 #
 
-require File.expand_path(File.dirname(__FILE__) + '/../../../spec_helper.rb')
+require File.expand_path(File.dirname(__FILE__) + "/../../../spec_helper.rb")
 
 describe Ohai::System, "Solaris2.X hostname plugin" do
   before(:each) do
diff --git a/spec/unit/plugins/solaris2/kernel_spec.rb b/spec/unit/plugins/solaris2/kernel_spec.rb
index 729b20a3..ad6f9768 100644
--- a/spec/unit/plugins/solaris2/kernel_spec.rb
+++ b/spec/unit/plugins/solaris2/kernel_spec.rb
@@ -16,13 +16,13 @@
 # limitations under the License.
 #
 
-require File.expand_path(File.dirname(__FILE__) + '/../../../spec_helper.rb')
+require File.expand_path(File.dirname(__FILE__) + "/../../../spec_helper.rb")
 
 describe Ohai::System, "Solaris2.X kernel plugin" do
   # NOTE: Solaris will report the same module loaded multiple times
   # with the same ID, Loadaddr, etc. and only the info column different
   # ignoring it, and removing the data from this fixture.
-  MODINFO=<<-TOOMUCH
+  MODINFO = <<-TOOMUCH
    Id Loadaddr   Size Info Rev Module Name
     6  1180000   4623   1   1  specfs (filesystem for specfs)
     8  1185df0   38c4   1   1  TS (time sharing sched class)
@@ -151,7 +151,7 @@ describe Ohai::System, "Solaris2.X kernel plugin" do
     # Teh daterz
     # Id Loadaddr   Size Info Rev Module Name
     #  6  1180000   4623   1   1  specfs (filesystem for specfs)
-    teh_daterz = { "id" => 6, "loadaddr" => "1180000", "size" =>  17955, "description" => "filesystem for specfs"}
+    teh_daterz = { "id" => 6, "loadaddr" => "1180000", "size" =>  17955, "description" => "filesystem for specfs" }
     expect(@plugin[:kernel][:modules].keys).to include("specfs")
     expect(@plugin[:kernel][:modules].keys).not_to include("Module")
     expect(@plugin[:kernel][:modules]["specfs"]).to eq(teh_daterz)
diff --git a/spec/unit/plugins/solaris2/memory_spec.rb b/spec/unit/plugins/solaris2/memory_spec.rb
index f2ef882b..101dcd3d 100644
--- a/spec/unit/plugins/solaris2/memory_spec.rb
+++ b/spec/unit/plugins/solaris2/memory_spec.rb
@@ -14,7 +14,7 @@
 # limitations under the License.
 #
 
-require File.expand_path(File.dirname(__FILE__) + '/../../../spec_helper.rb')
+require File.expand_path(File.dirname(__FILE__) + "/../../../spec_helper.rb")
 
 describe Ohai::System, "Solaris2.X memory plugin" do
   before(:each) do
@@ -22,22 +22,22 @@ describe Ohai::System, "Solaris2.X memory plugin" do
     allow(@plugin).to receive(:collect_os).and_return("solaris2")
     allow(@plugin).to receive(:shell_out).with("prtconf | grep Memory").and_return(mock_shell_out(0, "Memory size: 8194 Megabytes\n", ""))
     @swap_s = "total: 112230656k bytes allocated + 357865576k reserved = 470096232k used, 47057688k available\n"
-    allow(@plugin).to receive(:shell_out).with("swap -s").and_return(mock_shell_out(0,@swap_s, ""))
+    allow(@plugin).to receive(:shell_out).with("swap -s").and_return(mock_shell_out(0, @swap_s, ""))
   end
 
   it "should get the total memory" do
     @plugin.run
     expect(@plugin[:memory][:total]).to eql("#{8194 * 1024}kB")
   end
-  
+
   it "should get total swap" do
     @plugin.run
     expect(@plugin[:memory][:swap][:total]).to eql("#{(470096232 + 47057688)}kB" )
   end
-  
+
   it "should get free swap" do
     @plugin.run
     expect(@plugin[:memory][:swap][:free]).to eql("47057688kB")
   end
-  
+
 end
diff --git a/spec/unit/plugins/solaris2/network_spec.rb b/spec/unit/plugins/solaris2/network_spec.rb
index 98ae0c11..5283b068 100644
--- a/spec/unit/plugins/solaris2/network_spec.rb
+++ b/spec/unit/plugins/solaris2/network_spec.rb
@@ -16,7 +16,7 @@
 #  limitations under the License.
 #
 
-require File.expand_path(File.dirname(__FILE__) + '/../../../spec_helper.rb')
+require File.expand_path(File.dirname(__FILE__) + "/../../../spec_helper.rb")
 
 describe Ohai::System, "Solaris2.X network plugin" do
 
@@ -129,23 +129,23 @@ ROUTE_GET
     end
 
     it "completes the run" do
-      expect(@plugin['network']).not_to be_nil
+      expect(@plugin["network"]).not_to be_nil
     end
 
     it "detects the interfaces" do
-      expect(@plugin['network']['interfaces'].keys.sort).to eq(["e1000g0:3", "e1000g2:1", "eri0", "ip.tun0", "ip.tun0:1", "lo0", "lo0:3","net0", "qfe1"])
+      expect(@plugin["network"]["interfaces"].keys.sort).to eq(["e1000g0:3", "e1000g2:1", "eri0", "ip.tun0", "ip.tun0:1", "lo0", "lo0:3", "net0", "qfe1"])
     end
 
     it "detects the ip addresses of the interfaces" do
-      expect(@plugin['network']['interfaces']['e1000g0:3']['addresses'].keys).to include('72.2.115.28')
+      expect(@plugin["network"]["interfaces"]["e1000g0:3"]["addresses"].keys).to include("72.2.115.28")
     end
 
     it "detects the encapsulation type of the interfaces" do
-      expect(@plugin['network']['interfaces']['e1000g0:3']['encapsulation']).to eq('Ethernet')
+      expect(@plugin["network"]["interfaces"]["e1000g0:3"]["encapsulation"]).to eq("Ethernet")
     end
 
     it "detects the L3PROTECT network flag" do
-      expect(@plugin['network']['interfaces']['net0']['flags']).to include('L3PROTECT')
+      expect(@plugin["network"]["interfaces"]["net0"]["flags"]).to include("L3PROTECT")
     end
   end
 
@@ -159,8 +159,7 @@ ROUTE_GET
     end
 
     it "finds the default interface by asking which iface has the default route" do
-      expect(@plugin[:network][:default_interface]).to eq('e1000g0')
+      expect(@plugin[:network][:default_interface]).to eq("e1000g0")
     end
   end
 end
-
diff --git a/spec/unit/plugins/solaris2/platform_spec.rb b/spec/unit/plugins/solaris2/platform_spec.rb
index d0193d28..1c813f72 100644
--- a/spec/unit/plugins/solaris2/platform_spec.rb
+++ b/spec/unit/plugins/solaris2/platform_spec.rb
@@ -16,7 +16,7 @@
 # limitations under the License.
 #
 
-require File.expand_path(File.dirname(__FILE__) + '/../../../spec_helper.rb')
+require File.expand_path(File.dirname(__FILE__) + "/../../../spec_helper.rb")
 
 describe Ohai::System, "Solaris plugin platform" do
   before(:each) do
diff --git a/spec/unit/plugins/solaris2/virtualization_spec.rb b/spec/unit/plugins/solaris2/virtualization_spec.rb
index 6c5c38fa..6e1b95e9 100644
--- a/spec/unit/plugins/solaris2/virtualization_spec.rb
+++ b/spec/unit/plugins/solaris2/virtualization_spec.rb
@@ -16,7 +16,7 @@
 # limitations under the License.
 #
 
-require File.expand_path(File.dirname(__FILE__) + '/../../../spec_helper.rb')
+require File.expand_path(File.dirname(__FILE__) + "/../../../spec_helper.rb")
 
 describe Ohai::System, "Solaris virtualization platform" do
   before(:each) do
@@ -72,7 +72,7 @@ PSRINFO_PV
     end
 
     it "should set virtualpc guest if smbios detects Microsoft Virtual Machine" do
-      ms_vpc_smbios=<<-MSVPC
+      ms_vpc_smbios = <<-MSVPC
 ID    SIZE TYPE
 1     72   SMB_TYPE_SYSTEM (system information)
 
@@ -91,7 +91,7 @@ MSVPC
     end
 
     it "should set vmware guest if smbios detects VMware Virtual Platform" do
-      vmware_smbios=<<-VMWARE
+      vmware_smbios = <<-VMWARE
 ID    SIZE TYPE
 1     72   SMB_TYPE_SYSTEM (system information)
 
@@ -121,5 +121,3 @@ VMWARE
     expect(@plugin[:virtualization]).to eq({})
   end
 end
-
-
diff --git a/spec/unit/plugins/solaris2/zpools_spec.rb b/spec/unit/plugins/solaris2/zpools_spec.rb
index 9ddb48b7..b53b659b 100644
--- a/spec/unit/plugins/solaris2/zpools_spec.rb
+++ b/spec/unit/plugins/solaris2/zpools_spec.rb
@@ -13,7 +13,7 @@
 # limitations under the License.
 #
 
-require File.expand_path(File.dirname(__FILE__) + '/../../../spec_helper.rb')
+require File.expand_path(File.dirname(__FILE__) + "/../../../spec_helper.rb")
 
 describe Ohai::System, "Solaris 2.x zpool plugin" do
   before(:each) do
@@ -62,9 +62,9 @@ EOST
 rpool   109G    66.2G   42.8G   60%     1.00x   ONLINE  34
 tank    130T    4.91M   130T    0%      1.00x   ONLINE  34
 EOZO
-    allow(@plugin).to receive(:shell_out).with("zpool list -H -o name,size,alloc,free,cap,dedup,health,version").and_return(mock_shell_out(0,@zpool_out,""))
-    allow(@plugin).to receive(:shell_out).with("su adm -c \"zpool status rpool\"").and_return(mock_shell_out(0,@zpool_status_rpool,""))
-    allow(@plugin).to receive(:shell_out).with("su adm -c \"zpool status tank\"").and_return(mock_shell_out(0,@zpool_status_tank,""))
+    allow(@plugin).to receive(:shell_out).with("zpool list -H -o name,size,alloc,free,cap,dedup,health,version").and_return(mock_shell_out(0, @zpool_out, ""))
+    allow(@plugin).to receive(:shell_out).with("su adm -c \"zpool status rpool\"").and_return(mock_shell_out(0, @zpool_status_rpool, ""))
+    allow(@plugin).to receive(:shell_out).with("su adm -c \"zpool status tank\"").and_return(mock_shell_out(0, @zpool_status_tank, ""))
   end
 
   describe "On Solaris2 Common" do
@@ -123,7 +123,7 @@ EOZO
 rpool   109G    66.2G   42.8G   60%     1.00x   ONLINE  -
 tank    130T    4.91M   130T    0%      1.00x   ONLINE  -
 EOZO
-      allow(@plugin).to receive(:shell_out).with("zpool list -H -o name,size,alloc,free,cap,dedup,health,version").and_return(mock_shell_out(0,@zpool_out,""))
+      allow(@plugin).to receive(:shell_out).with("zpool list -H -o name,size,alloc,free,cap,dedup,health,version").and_return(mock_shell_out(0, @zpool_out, ""))
     end
 
     it "Won't have a version number" do
@@ -140,7 +140,7 @@ EOZO
 rpool   109G    66.2G   42.8G   60%     1.00x   ONLINE  34
 tank    130T    4.91M   130T    0%      1.00x   ONLINE  34
 EOZO
-      allow(@plugin).to receive(:shell_out).with("zpool list -H -o name,size,alloc,free,cap,dedup,health,version").and_return(mock_shell_out(0,@zpool_out,""))
+      allow(@plugin).to receive(:shell_out).with("zpool list -H -o name,size,alloc,free,cap,dedup,health,version").and_return(mock_shell_out(0, @zpool_out, ""))
     end
 
     it "Should have a version number" do
diff --git a/spec/unit/plugins/ssh_host_keys_spec.rb b/spec/unit/plugins/ssh_host_keys_spec.rb
index 8c765076..7bdf90d8 100644
--- a/spec/unit/plugins/ssh_host_keys_spec.rb
+++ b/spec/unit/plugins/ssh_host_keys_spec.rb
@@ -16,7 +16,7 @@
 # limitations under the License.
 #
 
-require File.expand_path(File.join(File.dirname(__FILE__), '..', '..', '/spec_helper.rb'))
+require File.expand_path(File.join(File.dirname(__FILE__), "..", "..", "/spec_helper.rb"))
 
 describe Ohai::System, "ssh_host_key plugin" do
 
diff --git a/spec/unit/plugins/virtualbox_spec.rb b/spec/unit/plugins/virtualbox_spec.rb
index 95a345cf..49e2268f 100644
--- a/spec/unit/plugins/virtualbox_spec.rb
+++ b/spec/unit/plugins/virtualbox_spec.rb
@@ -15,7 +15,7 @@
 # limitations under the License.
 #
 
-require File.expand_path(File.join(File.dirname(__FILE__), '..', '..', '/spec_helper.rb'))
+require File.expand_path(File.join(File.dirname(__FILE__), "..", "..", "/spec_helper.rb"))
 
 vbox_output = <<EOF
 Oracle VM VirtualBox Guest Additions Command Line Management Interface Version 5.0.2
@@ -47,42 +47,42 @@ Name: /VirtualBox/GuestInfo/OS/Release, value: 3.19.0-31-generic, timestamp: 144
 Name: /VirtualBox/GuestInfo/OS/NoLoggedInUsers, value: false, timestamp: 1448390452251532000, flags: TRANSIENT, TRANSRESET
 EOF
 
-describe Ohai::System, 'plugin virtualbox' do
-  context 'when VBoxControl shellout fails' do
-    it 'should not set the virtualbox attribute' do
-      plugin = get_plugin('virtualbox')
-      allow(plugin).to receive(:shell_out).with('VBoxControl guestproperty enumerate').and_return(mock_shell_out(1, '', ''))
+describe Ohai::System, "plugin virtualbox" do
+  context "when VBoxControl shellout fails" do
+    it "should not set the virtualbox attribute" do
+      plugin = get_plugin("virtualbox")
+      allow(plugin).to receive(:shell_out).with("VBoxControl guestproperty enumerate").and_return(mock_shell_out(1, "", ""))
       plugin.run
       expect(plugin).not_to have_key(:virtualbox)
     end
   end
 
-  context 'when VBoxControl shellout succeeds' do
-    let(:plugin) { get_plugin('virtualbox') }
+  context "when VBoxControl shellout succeeds" do
+    let(:plugin) { get_plugin("virtualbox") }
 
     before(:each) do
-      allow(plugin).to receive(:shell_out).with('VBoxControl guestproperty enumerate').and_return(mock_shell_out(0, vbox_output, ''))
+      allow(plugin).to receive(:shell_out).with("VBoxControl guestproperty enumerate").and_return(mock_shell_out(0, vbox_output, ""))
       plugin.run
     end
 
-    it 'should set the host version' do
-      expect(plugin[:virtualbox][:host][:version]).to eql('5.0.10')
+    it "should set the host version" do
+      expect(plugin[:virtualbox][:host][:version]).to eql("5.0.10")
     end
 
-    it 'should set the host revision' do
-      expect(plugin[:virtualbox][:host][:revision]).to eql('104061')
+    it "should set the host revision" do
+      expect(plugin[:virtualbox][:host][:revision]).to eql("104061")
     end
 
-    it 'should set the host language' do
-      expect(plugin[:virtualbox][:host][:language]).to eql('en_US')
+    it "should set the host language" do
+      expect(plugin[:virtualbox][:host][:language]).to eql("en_US")
     end
 
-    it 'should set the guest additions version' do
-      expect(plugin[:virtualbox][:guest][:guest_additions_version]).to eql('5.0.2')
+    it "should set the guest additions version" do
+      expect(plugin[:virtualbox][:guest][:guest_additions_version]).to eql("5.0.2")
     end
 
-    it 'should set the guest additions revision' do
-      expect(plugin[:virtualbox][:guest][:guest_additions_revision]).to eql('102096')
+    it "should set the guest additions revision" do
+      expect(plugin[:virtualbox][:guest][:guest_additions_revision]).to eql("102096")
     end
   end
 end
diff --git a/spec/unit/plugins/vmware_spec.rb b/spec/unit/plugins/vmware_spec.rb
index 7c02b4f7..bcaf17bf 100644
--- a/spec/unit/plugins/vmware_spec.rb
+++ b/spec/unit/plugins/vmware_spec.rb
@@ -14,61 +14,61 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-require 'spec_helper'
+require "spec_helper"
 
-describe Ohai::System, 'plugin vmware' do
-  let(:plugin) { get_plugin('vmware') }
-  let(:path) { '/usr/bin/vmware-toolbox-cmd' }
+describe Ohai::System, "plugin vmware" do
+  let(:plugin) { get_plugin("vmware") }
+  let(:path) { "/usr/bin/vmware-toolbox-cmd" }
 
   before(:each) do
     allow(plugin).to receive(:collect_os).and_return(:linux)
   end
 
-  context 'on vmware guest with toolbox installed' do
+  context "on vmware guest with toolbox installed" do
     before(:each) do
-      allow(File).to receive(:exist?).with('/usr/bin/vmware-toolbox-cmd').and_return(true)
-      allow(plugin).to receive(:shell_out).with("#{path} stat speed").and_return(mock_shell_out(0, '2000 MHz', nil))
-      allow(plugin).to receive(:shell_out).with("#{path} stat hosttime").and_return(mock_shell_out(0, '04 Jun 2015 19:21:16', nil))
-      allow(plugin).to receive(:shell_out).with("#{path} stat sessionid").and_return(mock_shell_out(0, '0x0000000000000000', nil))
-      allow(plugin).to receive(:shell_out).with("#{path} stat balloon").and_return(mock_shell_out(0, '0 MB', nil))
-      allow(plugin).to receive(:shell_out).with("#{path} stat swap").and_return(mock_shell_out(0, '0 MB', nil))
-      allow(plugin).to receive(:shell_out).with("#{path} stat memlimit").and_return(mock_shell_out(0, '4000000000 MB', nil))
-      allow(plugin).to receive(:shell_out).with("#{path} stat memres").and_return(mock_shell_out(0, '0 MB', nil))
-      allow(plugin).to receive(:shell_out).with("#{path} stat cpures").and_return(mock_shell_out(0, '0 MHz', nil))
-      allow(plugin).to receive(:shell_out).with("#{path} stat cpulimit").and_return(mock_shell_out(0, '4000000000 MB', nil))
-      allow(plugin).to receive(:shell_out).with("#{path} upgrade status").and_return(mock_shell_out(0, 'VMware Tools are up-to-date.', nil))
-      allow(plugin).to receive(:shell_out).with("#{path} timesync status").and_return(mock_shell_out(0, 'Disabled', nil))
+      allow(File).to receive(:exist?).with("/usr/bin/vmware-toolbox-cmd").and_return(true)
+      allow(plugin).to receive(:shell_out).with("#{path} stat speed").and_return(mock_shell_out(0, "2000 MHz", nil))
+      allow(plugin).to receive(:shell_out).with("#{path} stat hosttime").and_return(mock_shell_out(0, "04 Jun 2015 19:21:16", nil))
+      allow(plugin).to receive(:shell_out).with("#{path} stat sessionid").and_return(mock_shell_out(0, "0x0000000000000000", nil))
+      allow(plugin).to receive(:shell_out).with("#{path} stat balloon").and_return(mock_shell_out(0, "0 MB", nil))
+      allow(plugin).to receive(:shell_out).with("#{path} stat swap").and_return(mock_shell_out(0, "0 MB", nil))
+      allow(plugin).to receive(:shell_out).with("#{path} stat memlimit").and_return(mock_shell_out(0, "4000000000 MB", nil))
+      allow(plugin).to receive(:shell_out).with("#{path} stat memres").and_return(mock_shell_out(0, "0 MB", nil))
+      allow(plugin).to receive(:shell_out).with("#{path} stat cpures").and_return(mock_shell_out(0, "0 MHz", nil))
+      allow(plugin).to receive(:shell_out).with("#{path} stat cpulimit").and_return(mock_shell_out(0, "4000000000 MB", nil))
+      allow(plugin).to receive(:shell_out).with("#{path} upgrade status").and_return(mock_shell_out(0, "VMware Tools are up-to-date.", nil))
+      allow(plugin).to receive(:shell_out).with("#{path} timesync status").and_return(mock_shell_out(0, "Disabled", nil))
       plugin[:virtualization] = Mash.new
       plugin[:virtualization][:systems] = Mash.new
       plugin[:virtualization][:systems][:vmware] = Mash.new
       plugin.run
     end
 
-    it 'gets the speed' do
-      expect(plugin[:vmware][:speed]).to eq('2000 MHz')
+    it "gets the speed" do
+      expect(plugin[:vmware][:speed]).to eq("2000 MHz")
     end
 
-    it 'gets the hosttime' do
-      expect(plugin[:vmware][:hosttime]).to eq('04 Jun 2015 19:21:16')
+    it "gets the hosttime" do
+      expect(plugin[:vmware][:hosttime]).to eq("04 Jun 2015 19:21:16")
     end
 
-    it 'gets tools update status' do
-      expect(plugin[:vmware][:upgrade]).to eq('VMware Tools are up-to-date.')
+    it "gets tools update status" do
+      expect(plugin[:vmware][:upgrade]).to eq("VMware Tools are up-to-date.")
     end
   end
 
-  context 'on vmware guest without toolbox' do
-    it 'should not create a vmware attribute' do
+  context "on vmware guest without toolbox" do
+    it "should not create a vmware attribute" do
       plugin[:virtualization] = Mash.new
       plugin[:virtualization][:systems] = Mash.new
       plugin[:virtualization][:systems][:vmware] = Mash.new
-      allow(File).to receive(:exist?).with('/usr/bin/vmware-toolbox-cmd').and_return(false)
+      allow(File).to receive(:exist?).with("/usr/bin/vmware-toolbox-cmd").and_return(false)
       expect(plugin).not_to have_key(:vmware)
     end
   end
 
-  context 'on vbox guest' do
-    it 'should not create a vmware attribute' do
+  context "on vbox guest" do
+    it "should not create a vmware attribute" do
       plugin[:virtualization] = Mash.new
       plugin[:virtualization][:systems] = Mash.new
       plugin[:virtualization][:systems][:vbox] = Mash.new
diff --git a/spec/unit/plugins/windows/cpu_spec.rb b/spec/unit/plugins/windows/cpu_spec.rb
index a8363ab7..e2c6a07e 100644
--- a/spec/unit/plugins/windows/cpu_spec.rb
+++ b/spec/unit/plugins/windows/cpu_spec.rb
@@ -16,99 +16,99 @@
 # limitations under the License.
 #
 
-require File.expand_path(File.dirname(__FILE__) + '/../../../spec_helper.rb')
+require File.expand_path(File.dirname(__FILE__) + "/../../../spec_helper.rb")
 
-shared_examples 'a cpu' do |cpu_no|
+shared_examples "a cpu" do |cpu_no|
   describe "cpu #{cpu_no}" do
     it "should set physical_id to CPU#{cpu_no}" do
       expect(@plugin[:cpu]["#{cpu_no}"][:physical_id]).to eq("CPU#{cpu_no}")
     end
 
-    it 'should set mhz to 2793' do
-      expect(@plugin[:cpu]["#{cpu_no}"][:mhz]).to eq('2793')
+    it "should set mhz to 2793" do
+      expect(@plugin[:cpu]["#{cpu_no}"][:mhz]).to eq("2793")
     end
 
-    it 'should set vendor_id to GenuineIntel' do
-      expect(@plugin[:cpu]["#{cpu_no}"][:vendor_id]).to eq('GenuineIntel')
+    it "should set vendor_id to GenuineIntel" do
+      expect(@plugin[:cpu]["#{cpu_no}"][:vendor_id]).to eq("GenuineIntel")
     end
 
-    it 'should set model_name to Intel64 Family 6 Model 70 Stepping 1' do
+    it "should set model_name to Intel64 Family 6 Model 70 Stepping 1" do
       expect(@plugin[:cpu]["#{cpu_no}"][:model_name])
-        .to eq('Intel64 Family 6 Model 70 Stepping 1')
+        .to eq("Intel64 Family 6 Model 70 Stepping 1")
     end
 
-    it 'should set model to 17921' do
-      expect(@plugin[:cpu]["#{cpu_no}"][:model]).to eq('17921')
+    it "should set model to 17921" do
+      expect(@plugin[:cpu]["#{cpu_no}"][:model]).to eq("17921")
     end
 
-    it 'should set family to 2' do
-      expect(@plugin[:cpu]["#{cpu_no}"][:family]).to eq('2')
+    it "should set family to 2" do
+      expect(@plugin[:cpu]["#{cpu_no}"][:family]).to eq("2")
     end
 
-    it 'should set stepping to 9' do
+    it "should set stepping to 9" do
       expect(@plugin[:cpu]["#{cpu_no}"][:stepping]).to eq(9)
     end
 
-    it 'should set cache_size to 64 KB' do
-      expect(@plugin[:cpu]["#{cpu_no}"][:cache_size]).to eq('64 KB')
+    it "should set cache_size to 64 KB" do
+      expect(@plugin[:cpu]["#{cpu_no}"][:cache_size]).to eq("64 KB")
     end
   end
 end
 
-describe Ohai::System, 'Windows cpu plugin' do
+describe Ohai::System, "Windows cpu plugin" do
   before(:each) do
-    @plugin = get_plugin('windows/cpu')
+    @plugin = get_plugin("windows/cpu")
     allow(@plugin).to receive(:collect_os).and_return(:windows)
 
     @double_wmi = double(WmiLite::Wmi)
     @double_wmi_instance = instance_double(WmiLite::Wmi)
 
-    @processors = [{ 'description' => 'Intel64 Family 6 Model 70 Stepping 1',
-                     'deviceid' => 'CPU0',
-                     'family' => 2,
-                     'l2cachesize' => 0,
-                     'manufacturer' => 'GenuineIntel',
-                     'maxclockspeed' => 2793,
-                     'numberofcores' => 1,
-                     'numberoflogicalprocessors' => 2,
-                     'revision' => 17_921,
-                     'stepping' => 9,
-                     'l2cachesize' => 64 },
-
-                   { 'description' => 'Intel64 Family 6 Model 70 Stepping 1',
-                     'deviceid' => 'CPU1',
-                     'family' => 2,
-                     'l2cachesize' => 0,
-                     'manufacturer' => 'GenuineIntel',
-                     'maxclockspeed' => 2793,
-                     'numberofcores' => 1,
-                     'numberoflogicalprocessors' => 2,
-                     'revision' => 17_921,
-                     'stepping' => 9,
-                     'l2cachesize' => 64 }]
+    @processors = [{ "description" => "Intel64 Family 6 Model 70 Stepping 1",
+                     "deviceid" => "CPU0",
+                     "family" => 2,
+                     "l2cachesize" => 0,
+                     "manufacturer" => "GenuineIntel",
+                     "maxclockspeed" => 2793,
+                     "numberofcores" => 1,
+                     "numberoflogicalprocessors" => 2,
+                     "revision" => 17_921,
+                     "stepping" => 9,
+                     "l2cachesize" => 64 },
+
+                   { "description" => "Intel64 Family 6 Model 70 Stepping 1",
+                     "deviceid" => "CPU1",
+                     "family" => 2,
+                     "l2cachesize" => 0,
+                     "manufacturer" => "GenuineIntel",
+                     "maxclockspeed" => 2793,
+                     "numberofcores" => 1,
+                     "numberoflogicalprocessors" => 2,
+                     "revision" => 17_921,
+                     "stepping" => 9,
+                     "l2cachesize" => 64 }]
 
     allow(WmiLite::Wmi).to receive(:new).and_return(@double_wmi_instance)
 
     allow(@double_wmi_instance).to receive(:instances_of)
-      .with('Win32_Processor')
+      .with("Win32_Processor")
       .and_return(@processors)
 
     @plugin.run
   end
 
-  it 'should set total cpu to 2' do
+  it "should set total cpu to 2" do
     expect(@plugin[:cpu][:total]).to eq(4)
   end
 
-  it 'should set real cpu to 2' do
+  it "should set real cpu to 2" do
     expect(@plugin[:cpu][:real]).to eq(2)
   end
 
-  it 'should set 2 distinct cpus numbered 0 and 1' do
-    expect(@plugin[:cpu]).to have_key('0')
-    expect(@plugin[:cpu]).to have_key('1')
+  it "should set 2 distinct cpus numbered 0 and 1" do
+    expect(@plugin[:cpu]).to have_key("0")
+    expect(@plugin[:cpu]).to have_key("1")
   end
 
-  it_behaves_like 'a cpu', 0
-  it_behaves_like 'a cpu', 1
+  it_behaves_like "a cpu", 0
+  it_behaves_like "a cpu", 1
 end
diff --git a/spec/unit/plugins/windows/memory_spec.rb b/spec/unit/plugins/windows/memory_spec.rb
index db9de630..0579439b 100644
--- a/spec/unit/plugins/windows/memory_spec.rb
+++ b/spec/unit/plugins/windows/memory_spec.rb
@@ -14,19 +14,19 @@
 # limitations under the License.
 #
 
-require File.expand_path(File.dirname(__FILE__) + '/../../../spec_helper.rb')
+require File.expand_path(File.dirname(__FILE__) + "/../../../spec_helper.rb")
 
 describe Ohai::System, "Windows memory plugin", :windows_only do
   before do
     require "wmi-lite/wmi"
     @plugin = get_plugin("windows/memory")
-    mock_os = { 
+    mock_os = {
                 "TotalVisibleMemorySize" => "10485760",
                 "FreePhysicalMemory" => "5242880",
                 "SizeStoredInPagingFiles" => "20971520",
-                "FreeSpaceInPagingFiles" =>  "15728640"
+                "FreeSpaceInPagingFiles" =>  "15728640",
               }
-    expect_any_instance_of(WmiLite::Wmi).to receive(:first_of).with('Win32_OperatingSystem').and_return(mock_os)
+    expect_any_instance_of(WmiLite::Wmi).to receive(:first_of).with("Win32_OperatingSystem").and_return(mock_os)
   end
 
   it "should get total memory" do
@@ -49,4 +49,4 @@ describe Ohai::System, "Windows memory plugin", :windows_only do
     expect(@plugin["memory"]["swap"]["free"]).to eql("15728640kB")
   end
 
-end
\ No newline at end of file
+end
diff --git a/spec/unit/plugins/windows/virtualization_spec.rb b/spec/unit/plugins/windows/virtualization_spec.rb
index 584a1519..124e92f6 100644
--- a/spec/unit/plugins/windows/virtualization_spec.rb
+++ b/spec/unit/plugins/windows/virtualization_spec.rb
@@ -18,197 +18,197 @@
 # limitations under the License.
 #
 
-require File.expand_path(File.dirname(__FILE__) + '/../../../spec_helper.rb')
+require File.expand_path(File.dirname(__FILE__) + "/../../../spec_helper.rb")
 
-describe Ohai::System, 'Windows virtualization platform' do
-  let(:plugin) { get_plugin('windows/virtualization') }
+describe Ohai::System, "Windows virtualization platform" do
+  let(:plugin) { get_plugin("windows/virtualization") }
 
   before(:each) do
     allow(plugin).to receive(:collect_os).and_return(:windows)
   end
 
-  context 'when running on vmware' do
-    it 'system is vmware' do
-      allow_any_instance_of(WmiLite::Wmi).to receive(:instances_of).with('Win32_BIOS').and_return([{ 'bioscharacteristics' => [4, 7, 8, 9, 10, 11, 12, 14, 15, 16, 19, 26, 27, 28, 29, 30, 32, 39, 40, 41, 42, 50, 57, 58],
-                                                                                                     'biosversion' => ['INTEL  - 6040000', 'PhoenixBIOS 4.0 Release 6.0     '],
-                                                                                                     'buildnumber' => nil,
-                                                                                                     'caption' => 'PhoenixBIOS 4.0 Release 6.0     ',
-                                                                                                     'codeset' => nil, 'currentlanguage' => nil,
-                                                                                                     'description' => 'PhoenixBIOS 4.0 Release 6.0     ',
-                                                                                                     'identificationcode' => nil,
-                                                                                                     'installablelanguages' => nil,
-                                                                                                     'installdate' => nil,
-                                                                                                     'languageedition' => nil,
-                                                                                                     'listoflanguages' => nil,
-                                                                                                     'manufacturer' => 'Phoenix Technologies LTD',
-                                                                                                     'name' => 'PhoenixBIOS 4.0 Release 6.0     ',
-                                                                                                     'othertargetos' => nil,
-                                                                                                     'primarybios' => true,
-                                                                                                     'releasedate' => '20130731000000.000000+000',
-                                                                                                     'serialnumber' => 'VMware-56 4d 65 24 ac cf ec 72-fa 29 b2 7d 8f df b2 7a',
-                                                                                                     'smbiosbiosversion' => '6.00',
-                                                                                                     'smbiosmajorversion' => 2,
-                                                                                                     'smbiosminorversion' => 4,
-                                                                                                     'smbiospresent' => true,
-                                                                                                     'softwareelementid' => 'PhoenixBIOS 4.0 Release 6.0     ',
-                                                                                                     'softwareelementstate' => 3,
-                                                                                                     'status' => 'OK',
-                                                                                                     'targetoperatingsystem' => 0,
-                                                                                                     'version' => 'INTEL  - 6040000'
+  context "when running on vmware" do
+    it "system is vmware" do
+      allow_any_instance_of(WmiLite::Wmi).to receive(:instances_of).with("Win32_BIOS").and_return([{ "bioscharacteristics" => [4, 7, 8, 9, 10, 11, 12, 14, 15, 16, 19, 26, 27, 28, 29, 30, 32, 39, 40, 41, 42, 50, 57, 58],
+                                                                                                     "biosversion" => ["INTEL  - 6040000", "PhoenixBIOS 4.0 Release 6.0     "],
+                                                                                                     "buildnumber" => nil,
+                                                                                                     "caption" => "PhoenixBIOS 4.0 Release 6.0     ",
+                                                                                                     "codeset" => nil, "currentlanguage" => nil,
+                                                                                                     "description" => "PhoenixBIOS 4.0 Release 6.0     ",
+                                                                                                     "identificationcode" => nil,
+                                                                                                     "installablelanguages" => nil,
+                                                                                                     "installdate" => nil,
+                                                                                                     "languageedition" => nil,
+                                                                                                     "listoflanguages" => nil,
+                                                                                                     "manufacturer" => "Phoenix Technologies LTD",
+                                                                                                     "name" => "PhoenixBIOS 4.0 Release 6.0     ",
+                                                                                                     "othertargetos" => nil,
+                                                                                                     "primarybios" => true,
+                                                                                                     "releasedate" => "20130731000000.000000+000",
+                                                                                                     "serialnumber" => "VMware-56 4d 65 24 ac cf ec 72-fa 29 b2 7d 8f df b2 7a",
+                                                                                                     "smbiosbiosversion" => "6.00",
+                                                                                                     "smbiosmajorversion" => 2,
+                                                                                                     "smbiosminorversion" => 4,
+                                                                                                     "smbiospresent" => true,
+                                                                                                     "softwareelementid" => "PhoenixBIOS 4.0 Release 6.0     ",
+                                                                                                     "softwareelementstate" => 3,
+                                                                                                     "status" => "OK",
+                                                                                                     "targetoperatingsystem" => 0,
+                                                                                                     "version" => "INTEL  - 6040000"
          }])
       plugin.run
-      expect(plugin[:virtualization][:system]).to eq('vmware')
-      expect(plugin[:virtualization][:role]).to eq('guest')
-      expect(plugin[:virtualization][:systems][:vmware]).to eq('guest')
+      expect(plugin[:virtualization][:system]).to eq("vmware")
+      expect(plugin[:virtualization][:role]).to eq("guest")
+      expect(plugin[:virtualization][:systems][:vmware]).to eq("guest")
     end
   end
 
-  context 'when running on parallels desktop' do
-    it 'system is parallels' do
-      allow_any_instance_of(WmiLite::Wmi).to receive(:instances_of).with('Win32_BIOS').and_return([{ 'bioscharacteristics' => [4, 7, 9, 10, 15, 24, 25, 27, 28, 29, 30, 32, 42, 44, 48, 49, 51, 64, 65, 67],
-                                                                                                     'biosversion' => ['PRLS   - 1'],
-                                                                                                     'buildnumber' => nil,
-                                                                                                     'caption' => 'Default System BIOS',
-                                                                                                     'codeset' => nil,
-                                                                                                     'currentlanguage' => nil,
-                                                                                                     'description' => 'Default System BIOS',
-                                                                                                     'identificationcode' => nil,
-                                                                                                     'installablelanguages' => nil,
-                                                                                                     'installdate' => nil,
-                                                                                                     'languageedition' => nil,
-                                                                                                     'listoflanguages' => nil,
-                                                                                                     'manufacturer' => 'Parallels Software International Inc.',
-                                                                                                     'name' => 'Default System BIOS',
-                                                                                                     'othertargetos' => nil,
-                                                                                                     'primarybios' => true,
-                                                                                                     'releasedate' => '20151005000000.000000+000',
-                                                                                                     'serialnumber' =>      'Parallels-82 75 A0 A0 9B B4 47 7C 87 A9 D9 E1 2B 90 4B 1F',
-                                                                                                     'smbiosbiosversion' => '11.0.2 (31348)',
-                                                                                                     'smbiosmajorversion' => 2,
-                                                                                                     'smbiosminorversion' => 7,
-                                                                                                     'smbiospresent' => true,
-                                                                                                     'softwareelementid' => 'Default System BIOS',
-                                                                                                     'softwareelementstate' => 3,
-                                                                                                     'status' => 'OK',
-                                                                                                     'targetoperatingsystem' => 0,
-                                                                                                     'version' => 'PRLS   - 1'
+  context "when running on parallels desktop" do
+    it "system is parallels" do
+      allow_any_instance_of(WmiLite::Wmi).to receive(:instances_of).with("Win32_BIOS").and_return([{ "bioscharacteristics" => [4, 7, 9, 10, 15, 24, 25, 27, 28, 29, 30, 32, 42, 44, 48, 49, 51, 64, 65, 67],
+                                                                                                     "biosversion" => ["PRLS   - 1"],
+                                                                                                     "buildnumber" => nil,
+                                                                                                     "caption" => "Default System BIOS",
+                                                                                                     "codeset" => nil,
+                                                                                                     "currentlanguage" => nil,
+                                                                                                     "description" => "Default System BIOS",
+                                                                                                     "identificationcode" => nil,
+                                                                                                     "installablelanguages" => nil,
+                                                                                                     "installdate" => nil,
+                                                                                                     "languageedition" => nil,
+                                                                                                     "listoflanguages" => nil,
+                                                                                                     "manufacturer" => "Parallels Software International Inc.",
+                                                                                                     "name" => "Default System BIOS",
+                                                                                                     "othertargetos" => nil,
+                                                                                                     "primarybios" => true,
+                                                                                                     "releasedate" => "20151005000000.000000+000",
+                                                                                                     "serialnumber" =>      "Parallels-82 75 A0 A0 9B B4 47 7C 87 A9 D9 E1 2B 90 4B 1F",
+                                                                                                     "smbiosbiosversion" => "11.0.2 (31348)",
+                                                                                                     "smbiosmajorversion" => 2,
+                                                                                                     "smbiosminorversion" => 7,
+                                                                                                     "smbiospresent" => true,
+                                                                                                     "softwareelementid" => "Default System BIOS",
+                                                                                                     "softwareelementstate" => 3,
+                                                                                                     "status" => "OK",
+                                                                                                     "targetoperatingsystem" => 0,
+                                                                                                     "version" => "PRLS   - 1",
          }])
       plugin.run
-      expect(plugin[:virtualization][:system]).to eq('parallels')
-      expect(plugin[:virtualization][:role]).to eq('guest')
-      expect(plugin[:virtualization][:systems][:parallels]).to eq('guest')
+      expect(plugin[:virtualization][:system]).to eq("parallels")
+      expect(plugin[:virtualization][:role]).to eq("guest")
+      expect(plugin[:virtualization][:systems][:parallels]).to eq("guest")
     end
   end
 
-  context 'when running on kvm' do
-    it 'system is kvm' do
-      allow_any_instance_of(WmiLite::Wmi).to receive(:instances_of).with('Win32_BIOS').and_return([{ 'bioscharacteristics' => [3, 42, 48, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79],
-                                                                                                     'biosversion' => ['BOCHS  - 1'],
-                                                                                                     'buildnumber' => nil,
-                                                                                                     'caption' => 'Default System BIOS',
-                                                                                                     'codeset' => nil,
-                                                                                                     'currentlanguage' => nil,
-                                                                                                     'description' => 'Default System BIOS',
-                                                                                                     'identificationcode' => nil,
-                                                                                                     'installablelanguages' => nil,
-                                                                                                     'installdate' => nil,
-                                                                                                     'languageedition' => nil,
-                                                                                                     'listoflanguages' => nil,
-                                                                                                     'manufacturer' => 'Bochs',
-                                                                                                     'name' => 'Default System BIOS',
-                                                                                                     'othertargetos' => nil,
-                                                                                                     'primarybios' => true,
-                                                                                                     'releasedate' => '20110101******.******+***',
-                                                                                                     'serialnumber' => nil,
-                                                                                                     'smbiosbiosversion' => 'Bochs',
-                                                                                                     'smbiosmajorversion' => 2,
-                                                                                                     'smbiosminorversion' => 4,
-                                                                                                     'smbiospresent' => true,
-                                                                                                     'softwareelementid' => 'Default System BIOS',
-                                                                                                     'softwareelementstate' => 3,
-                                                                                                     'status' => 'OK',
-                                                                                                     'targetoperatingsystem' => 0, 'version' => 'BOCHS  -1'
+  context "when running on kvm" do
+    it "system is kvm" do
+      allow_any_instance_of(WmiLite::Wmi).to receive(:instances_of).with("Win32_BIOS").and_return([{ "bioscharacteristics" => [3, 42, 48, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79],
+                                                                                                     "biosversion" => ["BOCHS  - 1"],
+                                                                                                     "buildnumber" => nil,
+                                                                                                     "caption" => "Default System BIOS",
+                                                                                                     "codeset" => nil,
+                                                                                                     "currentlanguage" => nil,
+                                                                                                     "description" => "Default System BIOS",
+                                                                                                     "identificationcode" => nil,
+                                                                                                     "installablelanguages" => nil,
+                                                                                                     "installdate" => nil,
+                                                                                                     "languageedition" => nil,
+                                                                                                     "listoflanguages" => nil,
+                                                                                                     "manufacturer" => "Bochs",
+                                                                                                     "name" => "Default System BIOS",
+                                                                                                     "othertargetos" => nil,
+                                                                                                     "primarybios" => true,
+                                                                                                     "releasedate" => "20110101******.******+***",
+                                                                                                     "serialnumber" => nil,
+                                                                                                     "smbiosbiosversion" => "Bochs",
+                                                                                                     "smbiosmajorversion" => 2,
+                                                                                                     "smbiosminorversion" => 4,
+                                                                                                     "smbiospresent" => true,
+                                                                                                     "softwareelementid" => "Default System BIOS",
+                                                                                                     "softwareelementstate" => 3,
+                                                                                                     "status" => "OK",
+                                                                                                     "targetoperatingsystem" => 0, "version" => "BOCHS  -1"
           }])
       plugin.run
-      expect(plugin[:virtualization][:system]).to eq('kvm')
-      expect(plugin[:virtualization][:role]).to eq('guest')
-      expect(plugin[:virtualization][:systems][:kvm]).to eq('guest')
+      expect(plugin[:virtualization][:system]).to eq("kvm")
+      expect(plugin[:virtualization][:role]).to eq("guest")
+      expect(plugin[:virtualization][:systems][:kvm]).to eq("guest")
     end
   end
 
-  context 'when running on virtualbox' do
-    it 'system is vbox' do
-      allow_any_instance_of(WmiLite::Wmi).to receive(:instances_of).with('Win32_BIOS').and_return([{ 'bioscharacteristics' => [4, 7, 15, 16, 27, 30, 32],
-                                                                                                     'biosversion' => ['VBOX   - 1'],
-                                                                                                     'buildnumber' => nil,
-                                                                                                     'caption' => 'Default System BIOS',
-                                                                                                     'codeset' => nil,
-                                                                                                     'currentlanguage' => nil,
-                                                                                                     'description' => 'Default System BIOS',
-                                                                                                     'identificationcode' => nil,
-                                                                                                     'installablelanguages' => nil,
-                                                                                                     'installdate' => nil,
-                                                                                                     'languageedition' => nil,
-                                                                                                     'listoflanguages' => nil,
-                                                                                                     'manufacturer' => 'innotek GmbH',
-                                                                                                     'name' => 'Default System BIOS',
-                                                                                                     'othertargetos' => nil,
-                                                                                                     'primarybios' => true,
-                                                                                                     'releasedate' => '20061201000000.000000+000',
-                                                                                                     'serialnumber' => '0',
-                                                                                                     'smbiosbiosversion' => 'VirtualBox',
-                                                                                                     'smbiosmajorversion' => 2,
-                                                                                                     'smbiosminorversion' => 5,
-                                                                                                     'smbiospresent' => true,
-                                                                                                     'softwareelementid' => 'Default System BIOS',
-                                                                                                     'softwareelementstate' => 3,
-                                                                                                     'status' => 'OK',
-                                                                                                     'targetoperatingsystem' => 0,
-                                                                                                     'version' => 'VBOX   - 1'
+  context "when running on virtualbox" do
+    it "system is vbox" do
+      allow_any_instance_of(WmiLite::Wmi).to receive(:instances_of).with("Win32_BIOS").and_return([{ "bioscharacteristics" => [4, 7, 15, 16, 27, 30, 32],
+                                                                                                     "biosversion" => ["VBOX   - 1"],
+                                                                                                     "buildnumber" => nil,
+                                                                                                     "caption" => "Default System BIOS",
+                                                                                                     "codeset" => nil,
+                                                                                                     "currentlanguage" => nil,
+                                                                                                     "description" => "Default System BIOS",
+                                                                                                     "identificationcode" => nil,
+                                                                                                     "installablelanguages" => nil,
+                                                                                                     "installdate" => nil,
+                                                                                                     "languageedition" => nil,
+                                                                                                     "listoflanguages" => nil,
+                                                                                                     "manufacturer" => "innotek GmbH",
+                                                                                                     "name" => "Default System BIOS",
+                                                                                                     "othertargetos" => nil,
+                                                                                                     "primarybios" => true,
+                                                                                                     "releasedate" => "20061201000000.000000+000",
+                                                                                                     "serialnumber" => "0",
+                                                                                                     "smbiosbiosversion" => "VirtualBox",
+                                                                                                     "smbiosmajorversion" => 2,
+                                                                                                     "smbiosminorversion" => 5,
+                                                                                                     "smbiospresent" => true,
+                                                                                                     "softwareelementid" => "Default System BIOS",
+                                                                                                     "softwareelementstate" => 3,
+                                                                                                     "status" => "OK",
+                                                                                                     "targetoperatingsystem" => 0,
+                                                                                                     "version" => "VBOX   - 1",
         }])
       plugin.run
-      expect(plugin[:virtualization][:system]).to eq('vbox')
-      expect(plugin[:virtualization][:role]).to eq('guest')
-      expect(plugin[:virtualization][:systems][:vbox]).to eq('guest')
+      expect(plugin[:virtualization][:system]).to eq("vbox")
+      expect(plugin[:virtualization][:role]).to eq("guest")
+      expect(plugin[:virtualization][:systems][:vbox]).to eq("guest")
     end
   end
 
-  context 'when running on a hardware system' do
-    it 'does not set virtualization attributes' do
-      allow_any_instance_of(WmiLite::Wmi).to receive(:instances_of).with('Win32_BIOS').and_return([{ 'bioscharacteristics' => [7, 11, 12, 15, 16, 17, 19, 23, 24, 25, 26, 27, 28, 29, 32, 33, 40, 42, 43],
-                                                                                                     'biosversion' => ['DELL   - 1072009', 'A10', 'American Megatrends - 4028D'],
-                                                                                                     'buildnumber' => nil,
-                                                                                                     'caption' => 'A10',
-                                                                                                     'codeset' => nil,
-                                                                                                     'currentlanguage' => nil,
-                                                                                                     'description' => 'A10',
-                                                                                                     'embeddedcontrollermajorversion' => 255,
-                                                                                                     'embeddedcontrollerminorversion' => 255,
-                                                                                                     'identificationcode' => nil,
-                                                                                                     'installablelanguages' => nil,
-                                                                                                     'installdate' => nil,
-                                                                                                     'languageedition' => nil,
-                                                                                                     'listoflanguages' => nil,
-                                                                                                     'manufacturer' => 'Dell Inc.',
-                                                                                                     'name' => 'A10',
-                                                                                                     'othertargetos' => nil,
-                                                                                                     'primarybios' => true,
-                                                                                                     'releasedate' => '20130513000000.000000+000',
-                                                                                                     'serialnumber' => '87GBNY1',
-                                                                                                     'smbiosbiosversion' => 'A10',
-                                                                                                     'smbiosmajorversion' => 2,
-                                                                                                     'smbiosminorversion' => 7,
-                                                                                                     'smbiospresent' => true,
-                                                                                                     'softwareelementid' => 'A10',
-                                                                                                     'softwareelementstate' => 3,
-                                                                                                     'status' => 'OK',
-                                                                                                     'systembiosmajorversion' => 4,
-                                                                                                     'systembiosminorversion' => 6,
-                                                                                                     'targetoperatingsystem' => 0,
-                                                                                                     'version' => 'DELL   - 1072009'
+  context "when running on a hardware system" do
+    it "does not set virtualization attributes" do
+      allow_any_instance_of(WmiLite::Wmi).to receive(:instances_of).with("Win32_BIOS").and_return([{ "bioscharacteristics" => [7, 11, 12, 15, 16, 17, 19, 23, 24, 25, 26, 27, 28, 29, 32, 33, 40, 42, 43],
+                                                                                                     "biosversion" => ["DELL   - 1072009", "A10", "American Megatrends - 4028D"],
+                                                                                                     "buildnumber" => nil,
+                                                                                                     "caption" => "A10",
+                                                                                                     "codeset" => nil,
+                                                                                                     "currentlanguage" => nil,
+                                                                                                     "description" => "A10",
+                                                                                                     "embeddedcontrollermajorversion" => 255,
+                                                                                                     "embeddedcontrollerminorversion" => 255,
+                                                                                                     "identificationcode" => nil,
+                                                                                                     "installablelanguages" => nil,
+                                                                                                     "installdate" => nil,
+                                                                                                     "languageedition" => nil,
+                                                                                                     "listoflanguages" => nil,
+                                                                                                     "manufacturer" => "Dell Inc.",
+                                                                                                     "name" => "A10",
+                                                                                                     "othertargetos" => nil,
+                                                                                                     "primarybios" => true,
+                                                                                                     "releasedate" => "20130513000000.000000+000",
+                                                                                                     "serialnumber" => "87GBNY1",
+                                                                                                     "smbiosbiosversion" => "A10",
+                                                                                                     "smbiosmajorversion" => 2,
+                                                                                                     "smbiosminorversion" => 7,
+                                                                                                     "smbiospresent" => true,
+                                                                                                     "softwareelementid" => "A10",
+                                                                                                     "softwareelementstate" => 3,
+                                                                                                     "status" => "OK",
+                                                                                                     "systembiosmajorversion" => 4,
+                                                                                                     "systembiosminorversion" => 6,
+                                                                                                     "targetoperatingsystem" => 0,
+                                                                                                     "version" => "DELL   - 1072009",
         }])
       plugin.run
-      expect(plugin[:virtualization]).to eq('systems' => {})
+      expect(plugin[:virtualization]).to eq("systems" => {})
     end
   end
 end
diff --git a/spec/unit/provides_map_spec.rb b/spec/unit/provides_map_spec.rb
index fb444056..5a6eb1fe 100644
--- a/spec/unit/provides_map_spec.rb
+++ b/spec/unit/provides_map_spec.rb
@@ -17,7 +17,7 @@
 # limitations under the License
 #
 
-require File.expand_path(File.dirname(__FILE__) + '/../spec_helper.rb')
+require File.expand_path(File.dirname(__FILE__) + "/../spec_helper.rb")
 
 describe Ohai::ProvidesMap do
 
@@ -31,14 +31,14 @@ describe Ohai::ProvidesMap do
   describe "when looking up providing plugins for a single attribute" do
     describe "when the attribute does not exist" do
       it "should raise Ohai::Exceptions::AttributeNotFound error" do
-        expect{ provides_map.find_providers_for(["single"]) }.to raise_error(Ohai::Exceptions::AttributeNotFound, "No such attribute: 'single'")
+        expect { provides_map.find_providers_for(["single"]) }.to raise_error(Ohai::Exceptions::AttributeNotFound, "No such attribute: 'single'")
       end
     end
 
     describe "when the attribute does not have a provider" do
       it "should raise Ohai::Exceptions::ProviderNotFound error" do
         provides_map.set_providers_for(plugin_1, ["first/second"])
-        expect{ provides_map.find_providers_for(["first"]) }.to raise_error(Ohai::Exceptions::ProviderNotFound, "Cannot find plugin providing attribute: 'first'")
+        expect { provides_map.find_providers_for(["first"]) }.to raise_error(Ohai::Exceptions::ProviderNotFound, "Cannot find plugin providing attribute: 'first'")
       end
     end
 
@@ -73,7 +73,7 @@ describe Ohai::ProvidesMap do
       end
 
       it "should return each provider" do
-        expect(provides_map.find_providers_for(["one", "two"])).to eq([plugin_1, plugin_2])
+        expect(provides_map.find_providers_for(%w{one two})).to eq([plugin_1, plugin_2])
       end
     end
 
@@ -85,7 +85,7 @@ describe Ohai::ProvidesMap do
       end
 
       it "should return unique providers" do
-        expect(provides_map.find_providers_for(["one", "one_again"])).to eq([plugin_1])
+        expect(provides_map.find_providers_for(%w{one one_again})).to eq([plugin_1])
       end
     end
   end
@@ -105,13 +105,13 @@ describe Ohai::ProvidesMap do
   describe "when setting multi-level attributes" do
     describe "when the attribute contains //" do
       it "should raise an Ohai::Exceptions::AttributeSyntaxError" do
-        expect{ provides_map.set_providers_for(plugin_1, ["this/plugin//is/bad"]) }.to raise_error(Ohai::Exceptions::AttributeSyntaxError, "Attribute contains duplicate '/' characters: this/plugin//is/bad")
+        expect { provides_map.set_providers_for(plugin_1, ["this/plugin//is/bad"]) }.to raise_error(Ohai::Exceptions::AttributeSyntaxError, "Attribute contains duplicate '/' characters: this/plugin//is/bad")
       end
     end
 
     describe "when the attribute has a trailing slash" do
       it "should raise an Ohai::Exceptions::AttributeSyntaxError" do
-        expect{ provides_map.set_providers_for(plugin_1, ["this/plugin/is/bad/"]) }.to raise_error(Ohai::Exceptions::AttributeSyntaxError, "Attribute contains a trailing '/': this/plugin/is/bad/")
+        expect { provides_map.set_providers_for(plugin_1, ["this/plugin/is/bad/"]) }.to raise_error(Ohai::Exceptions::AttributeSyntaxError, "Attribute contains a trailing '/': this/plugin/is/bad/")
       end
     end
   end
@@ -154,7 +154,7 @@ describe Ohai::ProvidesMap do
       end
 
       it "should not raise error if a parent attribute is provided" do
-        expect{ provides_map.find_closest_providers_for(["do/not/eat/plastic"]) }.not_to raise_error
+        expect { provides_map.find_closest_providers_for(["do/not/eat/plastic"]) }.not_to raise_error
       end
 
       it "should return the providers of the closest parent attribute" do
@@ -163,11 +163,11 @@ describe Ohai::ProvidesMap do
       end
 
       it "should raise error if the least-specific parent is not an attribute" do
-        expect{ provides_map.find_closest_providers_for(["please/eat/your/vegetables"]) }.to raise_error(Ohai::Exceptions::AttributeNotFound, "No such attribute: 'please/eat/your/vegetables'")
+        expect { provides_map.find_closest_providers_for(["please/eat/your/vegetables"]) }.to raise_error(Ohai::Exceptions::AttributeNotFound, "No such attribute: 'please/eat/your/vegetables'")
       end
 
       it "should raise error if no parent attribute has a provider" do
-        expect{ provides_map.find_closest_providers_for(["do/not"]) }.to raise_error(Ohai::Exceptions::ProviderNotFound, "Cannot find plugin providing attribute: 'do/not'")
+        expect { provides_map.find_closest_providers_for(["do/not"]) }.to raise_error(Ohai::Exceptions::ProviderNotFound, "Cannot find plugin providing attribute: 'do/not'")
       end
     end
   end
diff --git a/spec/unit/runner_spec.rb b/spec/unit/runner_spec.rb
index d4a9523f..c35ad64d 100644
--- a/spec/unit/runner_spec.rb
+++ b/spec/unit/runner_spec.rb
@@ -17,7 +17,7 @@
 # limitations under the License
 #
 
-require File.expand_path(File.dirname(__FILE__) + '/../spec_helper.rb')
+require File.expand_path(File.dirname(__FILE__) + "/../spec_helper.rb")
 
 describe Ohai::Runner, "run_plugin" do
   let(:safe_run) { true }
@@ -137,11 +137,11 @@ describe Ohai::Runner, "run_plugin" do
       end
 
       it "should raise Ohai::Excpetions::AttributeNotFound" do
-        expect{ @runner.run_plugin(@plugin) }.to raise_error(Ohai::Exceptions::AttributeNotFound)
+        expect { @runner.run_plugin(@plugin) }.to raise_error(Ohai::Exceptions::AttributeNotFound)
       end
 
       it "should not run the plugin" do
-        expect{ @runner.run_plugin(@plugin) }.to raise_error(Ohai::Exceptions::AttributeNotFound)
+        expect { @runner.run_plugin(@plugin) }.to raise_error(Ohai::Exceptions::AttributeNotFound)
         expect(@plugin.has_run?).to be false
       end
     end
@@ -244,8 +244,8 @@ describe Ohai::Runner, "run_plugin" do
         @plugins << klass.new(@ohai.data)
       end
       @plugin1, @plugin2, @plugin3 = @plugins
-      @ohai.provides_map.set_providers_for(@plugin1, ["one", "two"])
-      @ohai.provides_map.set_providers_for(@plugin2, ["one", "two"])
+      @ohai.provides_map.set_providers_for(@plugin1, %w{one two})
+      @ohai.provides_map.set_providers_for(@plugin2, %w{one two})
     end
 
     it "should run the plugins" do
@@ -322,16 +322,16 @@ describe Ohai::Runner, "run_plugin" do
       klassA = Ohai.plugin(:A) {
         provides("A")
         depends("B", "C")
-        collect_data { }
+        collect_data {}
       }
       klassB = Ohai.plugin(:B) {
         provides("B")
         depends("C")
-        collect_data { }
+        collect_data {}
       }
       klassC = Ohai.plugin(:C) {
         provides("C")
-        collect_data { }
+        collect_data {}
       }
 
       @plugins = []
@@ -373,7 +373,7 @@ describe Ohai::Runner, "fetch_plugins" do
   before(:each) do
     @provides_map = Ohai::ProvidesMap.new
     @data = Mash.new
-    @ohai = double('Ohai::System', :data => @data, :provides_map => @provides_map)
+    @ohai = double("Ohai::System", :data => @data, :provides_map => @provides_map)
     @runner = Ohai::Runner.new(@ohai, true)
   end
 
@@ -397,7 +397,7 @@ describe Ohai::Runner, "fetch_plugins" do
     describe "and no parent attribute has providers" do
       it "should raise Ohai::Exceptions::AttributeNotFound exception" do
         # provides map is empty
-        expect{ @runner.fetch_plugins(["false/attribute"]) }.to raise_error(Ohai::Exceptions::AttributeNotFound, "No such attribute: 'false/attribute'")
+        expect { @runner.fetch_plugins(["false/attribute"]) }.to raise_error(Ohai::Exceptions::AttributeNotFound, "No such attribute: 'false/attribute'")
       end
     end
   end
diff --git a/spec/unit/system_spec.rb b/spec/unit/system_spec.rb
index 91e5e47f..8b2754ca 100644
--- a/spec/unit/system_spec.rb
+++ b/spec/unit/system_spec.rb
@@ -17,8 +17,8 @@
 # limitations under the License.
 #
 
-require File.expand_path(File.dirname(__FILE__) + '/../spec_helper.rb')
-require 'ohai/mixin/os'
+require File.expand_path(File.dirname(__FILE__) + "/../spec_helper.rb")
+require "ohai/mixin/os"
 
 describe "Ohai::System" do
   extend IntegrationSupport
@@ -38,7 +38,7 @@ describe "Ohai::System" do
       expect(ohai.v6_dependency_solver).to be_a_kind_of(Hash)
     end
 
-    it 'merges deprecated config settings into the ohai config context' do
+    it "merges deprecated config settings into the ohai config context" do
       expect(Ohai::Log).to receive(:warn).
         with(/Ohai::Config\[:disabled_plugins\] is deprecated/)
       Ohai::Config[:disabled_plugins] = [ :Foo, :Baz ]
@@ -48,10 +48,10 @@ describe "Ohai::System" do
       expect(Ohai.config[:disabled_plugins]).to eq([ :Foo, :Baz ])
     end
 
-    it 'merges provided configuration options into the ohai config context' do
+    it "merges provided configuration options into the ohai config context" do
       config = {
         disabled_plugins: [ :Foo, :Baz ],
-        directory: '/some/extra/plugins'
+        directory: "/some/extra/plugins",
       }
       allow(Ohai::Config).to receive(:merge_deprecated_config)
       expect(Ohai.config).to receive(:merge!).with(config).and_call_original
@@ -61,18 +61,18 @@ describe "Ohai::System" do
       end
     end
 
-    context 'when directory is configured' do
-      let(:directory) { '/some/fantastic/plugins' }
+    context "when directory is configured" do
+      let(:directory) { "/some/fantastic/plugins" }
 
-      it 'adds directory to plugin_path' do
+      it "adds directory to plugin_path" do
         Ohai.config[:directory] = directory
         Ohai::System.new
         expect(Ohai.config[:plugin_path]).to include(directory)
       end
     end
 
-    shared_examples_for 'appendable deprecated configuration option' do
-      it 'logs a warning and configures the option on the ohai config context' do
+    shared_examples_for "appendable deprecated configuration option" do
+      it "logs a warning and configures the option on the ohai config context" do
         Ohai::Config[option] << value
         expect(Ohai::Log).to receive(:warn).
           with(/Ohai::Config\[:#{option}\] is deprecated/)
@@ -81,21 +81,21 @@ describe "Ohai::System" do
       end
     end
 
-    context 'when a top-level hints_path is configured' do
-      include_examples 'appendable deprecated configuration option' do
+    context "when a top-level hints_path is configured" do
+      include_examples "appendable deprecated configuration option" do
         let(:option) { :hints_path }
-        let(:value) { '/path/to/hints' }
+        let(:value) { "/path/to/hints" }
       end
     end
 
-    context 'when a top-level plugin_path is configured' do
-      include_examples 'appendable deprecated configuration option' do
+    context "when a top-level plugin_path is configured" do
+      include_examples "appendable deprecated configuration option" do
         let(:option) { :plugin_path }
-        let(:value) { '/path/to/plugins' }
+        let(:value) { "/path/to/plugins" }
       end
     end
 
-    it 'configures logging' do
+    it "configures logging" do
       log_level = :debug
       Ohai.config[:log_level] = log_level
       expect(Ohai::Log).to receive(:init).with(Ohai.config[:log_location])
@@ -103,7 +103,7 @@ describe "Ohai::System" do
       Ohai::System.new
     end
 
-    it 'resolves log_level when set to :auto' do
+    it "resolves log_level when set to :auto" do
       expect(Ohai::Log).to receive(:level=).with(:info)
       Ohai::System.new
     end
@@ -394,7 +394,7 @@ EOF
 
       describe "when using :disabled_plugins" do
         before do
-          Ohai.config[:disabled_plugins] = [ :Zoo, 'my_plugins::park' ]
+          Ohai.config[:disabled_plugins] = [ :Zoo, "my_plugins::park" ]
         end
 
         after do
diff --git a/spec/unit/util/file_helper_spec.rb b/spec/unit/util/file_helper_spec.rb
index 3acec6ea..be68a321 100644
--- a/spec/unit/util/file_helper_spec.rb
+++ b/spec/unit/util/file_helper_spec.rb
@@ -16,14 +16,13 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-require 'spec_helper'
-require 'ohai/util/file_helper'
+require "spec_helper"
+require "ohai/util/file_helper"
 
 class FileHelperMock
   include Ohai::Util::FileHelper
 end
 
-
 describe "Ohai::Util::FileHelper" do
   let(:file_helper) { FileHelperMock.new }
 
@@ -33,13 +32,13 @@ describe "Ohai::Util::FileHelper" do
 
   describe "which" do
     it "returns the path to an executable that is in the path" do
-      allow(File).to receive(:executable?).with('/usr/bin/skyhawk').and_return(true)
+      allow(File).to receive(:executable?).with("/usr/bin/skyhawk").and_return(true)
 
-      expect(file_helper.which('skyhawk')).to eql "/usr/bin/skyhawk"
+      expect(file_helper.which("skyhawk")).to eql "/usr/bin/skyhawk"
     end
 
     it "returns false if the executable is not in the path" do
-      expect(file_helper.which('the_cake')).to be false
+      expect(file_helper.which("the_cake")).to be false
     end
   end
 end
diff --git a/spec/unit/util/ip_helper_spec.rb b/spec/unit/util/ip_helper_spec.rb
index 2eaa85f1..766a9636 100644
--- a/spec/unit/util/ip_helper_spec.rb
+++ b/spec/unit/util/ip_helper_spec.rb
@@ -14,9 +14,9 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-require 'ipaddress'
-require 'spec_helper'
-require 'ohai/util/ip_helper'
+require "ipaddress"
+require "spec_helper"
+require "ohai/util/ip_helper"
 
 class IpHelperMock
   include Ohai::Util::IpHelper
@@ -25,54 +25,54 @@ end
 describe "Ohai::Util::IpHelper" do
   let(:ip_helper) { IpHelperMock.new }
 
-  shared_examples 'ip address types' do
-    context 'with an IPv4 address' do
-      context 'that is private' do
-        let(:address) { '10.128.142.89' }
+  shared_examples "ip address types" do
+    context "with an IPv4 address" do
+      context "that is private" do
+        let(:address) { "10.128.142.89" }
 
-        it 'identifies the address as private' do
+        it "identifies the address as private" do
           expect(ip_helper.private_address?(address)).to be_truthy
         end
       end
 
-      context 'that is public' do
-        let(:address) { '74.125.224.72' }
+      context "that is public" do
+        let(:address) { "74.125.224.72" }
 
-        it 'identifies the address as public' do
+        it "identifies the address as public" do
           expect(ip_helper.private_address?(address)).to be_falsey
         end
       end
     end
 
-    context 'with an IPv6 address' do
-      context 'that is an RFC 4193 unique local address' do
-        let(:address) { 'fdf8:f53b:82e4::53' }
+    context "with an IPv6 address" do
+      context "that is an RFC 4193 unique local address" do
+        let(:address) { "fdf8:f53b:82e4::53" }
 
-        it 'identifies the address as a unique local address' do
+        it "identifies the address as a unique local address" do
           expect(ip_helper.private_address?(address)).to be_truthy
         end
       end
 
-      context 'that is a RFC 4291 Link-Local unicast address' do
-        let(:address) { 'FE80::0202:B3FF:FE1E:8329' }
+      context "that is a RFC 4291 Link-Local unicast address" do
+        let(:address) { "FE80::0202:B3FF:FE1E:8329" }
 
-        it 'does identify the address as a link-local address' do
+        it "does identify the address as a link-local address" do
           expect(ip_helper.private_address?(address)).to be_truthy
         end
       end
     end
   end
 
-  describe 'private_address?' do
-    include_examples 'ip address types'
+  describe "private_address?" do
+    include_examples "ip address types"
   end
 
-  describe 'unique_local_address?' do
-    include_examples 'ip address types'
+  describe "unique_local_address?" do
+    include_examples "ip address types"
   end
 
-  describe 'public_address?' do
-    let(:address) { '10.128.142.89' }
+  describe "public_address?" do
+    let(:address) { "10.128.142.89" }
 
     before do
       allow(ip_helper).to receive(:private_address?)
@@ -88,38 +88,38 @@ describe "Ohai::Util::IpHelper" do
     end
   end
 
-  describe 'loopback?' do
-    context 'with an IPv4 address' do
-      context 'that is a loopback address' do
-        let(:address) { '127.0.0.1' }
+  describe "loopback?" do
+    context "with an IPv4 address" do
+      context "that is a loopback address" do
+        let(:address) { "127.0.0.1" }
 
-        it 'should identify the address as a loopback address' do
+        it "should identify the address as a loopback address" do
           expect(ip_helper.loopback?(address)).to be_truthy
         end
       end
 
-      context 'that is not a loopback address' do
-        let(:address) { '1.2.3.4' }
+      context "that is not a loopback address" do
+        let(:address) { "1.2.3.4" }
 
-        it 'should not identify the address as a loopback address' do
+        it "should not identify the address as a loopback address" do
           expect(ip_helper.loopback?(address)).to be_falsey
         end
       end
     end
 
-    context 'with an IPv6 address' do
-      context 'that is a loopback address' do
-        let(:address) { '0:0:0:0:0:0:0:1' }
+    context "with an IPv6 address" do
+      context "that is a loopback address" do
+        let(:address) { "0:0:0:0:0:0:0:1" }
 
-        it 'should identify the address as a loopback address' do
+        it "should identify the address as a loopback address" do
           expect(ip_helper.loopback?(address)).to be_truthy
         end
       end
 
-      context 'that is not a loopback address' do
-        let(:address) { '2400:6180:0000:00D0:0000:0000:0009:7001' }
+      context "that is not a loopback address" do
+        let(:address) { "2400:6180:0000:00D0:0000:0000:0009:7001" }
 
-        it 'should not identify the address as a loopback address' do
+        it "should not identify the address as a loopback address" do
           expect(ip_helper.loopback?(address)).to be_falsey
         end
       end