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-rw-r--r--lib/chef/application/solo.rb254
1 files changed, 254 insertions, 0 deletions
diff --git a/lib/chef/application/solo.rb b/lib/chef/application/solo.rb
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+++ b/lib/chef/application/solo.rb
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+#
+# Author:: AJ Christensen (<aj@opscode.com>)
+# Author:: Mark Mzyk (mmzyk@opscode.com)
+# Copyright:: Copyright (c) 2008 Opscode, Inc.
+# License:: Apache License, Version 2.0
+#
+# 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.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+require 'chef'
+require 'chef/application'
+require 'chef/client'
+require 'chef/config'
+require 'chef/daemon'
+require 'chef/log'
+require 'chef/rest'
+require 'open-uri'
+require 'fileutils'
+
+class Chef::Application::Solo < Chef::Application
+
+ option :config_file,
+ :short => "-c CONFIG",
+ :long => "--config CONFIG",
+ :default => Chef::Config.platform_specfic_path('/etc/chef/solo.rb'),
+ :description => "The configuration file to use"
+
+ option :formatter,
+ :short => "-F FORMATTER",
+ :long => "--format FORMATTER",
+ :description => "output format to use"
+
+ option :color,
+ :long => '--[no-]color',
+ :boolean => true,
+ :default => false,
+ :description => "Use colored output, defaults to disabled"
+
+ option :log_level,
+ :short => "-l LEVEL",
+ :long => "--log_level LEVEL",
+ :description => "Set the log level (debug, info, warn, error, fatal)",
+ :proc => lambda { |l| l.to_sym }
+
+ option :log_location,
+ :short => "-L LOGLOCATION",
+ :long => "--logfile LOGLOCATION",
+ :description => "Set the log file location, defaults to STDOUT",
+ :proc => nil
+
+ option :help,
+ :short => "-h",
+ :long => "--help",
+ :description => "Show this message",
+ :on => :tail,
+ :boolean => true,
+ :show_options => true,
+ :exit => 0
+
+ option :user,
+ :short => "-u USER",
+ :long => "--user USER",
+ :description => "User to set privilege to",
+ :proc => nil
+
+ option :group,
+ :short => "-g GROUP",
+ :long => "--group GROUP",
+ :description => "Group to set privilege to",
+ :proc => nil
+
+ option :daemonize,
+ :short => "-d",
+ :long => "--daemonize",
+ :description => "Daemonize the process",
+ :proc => lambda { |p| true }
+
+ option :interval,
+ :short => "-i SECONDS",
+ :long => "--interval SECONDS",
+ :description => "Run chef-client periodically, in seconds",
+ :proc => lambda { |s| s.to_i }
+
+ option :json_attribs,
+ :short => "-j JSON_ATTRIBS",
+ :long => "--json-attributes JSON_ATTRIBS",
+ :description => "Load attributes from a JSON file or URL",
+ :proc => nil
+
+ option :node_name,
+ :short => "-N NODE_NAME",
+ :long => "--node-name NODE_NAME",
+ :description => "The node name for this client",
+ :proc => nil
+
+ option :splay,
+ :short => "-s SECONDS",
+ :long => "--splay SECONDS",
+ :description => "The splay time for running at intervals, in seconds",
+ :proc => lambda { |s| s.to_i }
+
+ option :recipe_url,
+ :short => "-r RECIPE_URL",
+ :long => "--recipe-url RECIPE_URL",
+ :description => "Pull down a remote gzipped tarball of recipes and untar it to the cookbook cache.",
+ :proc => nil
+
+ option :version,
+ :short => "-v",
+ :long => "--version",
+ :description => "Show chef version",
+ :boolean => true,
+ :proc => lambda {|v| puts "Chef: #{::Chef::VERSION}"},
+ :exit => 0
+
+ option :override_runlist,
+ :short => "-o RunlistItem,RunlistItem...",
+ :long => "--override-runlist RunlistItem,RunlistItem...",
+ :description => "Replace current run list with specified items",
+ :proc => lambda{|items|
+ items = items.split(',')
+ items.compact.map{|item|
+ Chef::RunList::RunListItem.new(item)
+ }
+ }
+
+ option :client_fork,
+ :short => "-f",
+ :long => "--fork",
+ :description => "Fork client",
+ :boolean => true
+
+ option :why_run,
+ :short => '-W',
+ :long => '--why-run',
+ :description => 'Enable whyrun mode',
+ :boolean => true
+
+ attr_reader :chef_solo_json
+
+ def initialize
+ super
+ @chef_solo = nil
+ @chef_solo_json = nil
+ end
+
+ def reconfigure
+ super
+
+ Chef::Config[:solo] = true
+
+ if Chef::Config[:daemonize]
+ Chef::Config[:interval] ||= 1800
+ end
+
+ if Chef::Config[:json_attribs]
+ begin
+ json_io = case Chef::Config[:json_attribs]
+ when /^(http|https):\/\//
+ @rest = Chef::REST.new(Chef::Config[:json_attribs], nil, nil)
+ @rest.get_rest(Chef::Config[:json_attribs], true).open
+ else
+ open(Chef::Config[:json_attribs])
+ end
+ rescue SocketError => error
+ Chef::Application.fatal!("I cannot connect to #{Chef::Config[:json_attribs]}", 2)
+ rescue Errno::ENOENT => error
+ Chef::Application.fatal!("I cannot find #{Chef::Config[:json_attribs]}", 2)
+ rescue Errno::EACCES => error
+ Chef::Application.fatal!("Permissions are incorrect on #{Chef::Config[:json_attribs]}. Please chmod a+r #{Chef::Config[:json_attribs]}", 2)
+ rescue Exception => error
+ Chef::Application.fatal!("Got an unexpected error reading #{Chef::Config[:json_attribs]}: #{error.message}", 2)
+ end
+
+ begin
+ @chef_solo_json = Chef::JSONCompat.from_json(json_io.read)
+ json_io.close unless json_io.closed?
+ rescue JSON::ParserError => error
+ Chef::Application.fatal!("Could not parse the provided JSON file (#{Chef::Config[:json_attribs]})!: " + error.message, 2)
+ end
+ end
+
+ if Chef::Config[:recipe_url]
+ cookbooks_path = Array(Chef::Config[:cookbook_path]).detect{|e| e =~ /\/cookbooks\/*$/ }
+ recipes_path = File.expand_path(File.join(cookbooks_path, '..'))
+ target_file = File.join(recipes_path, 'recipes.tgz')
+
+ Chef::Log.debug "Creating path #{recipes_path} to extract recipes into"
+ FileUtils.mkdir_p recipes_path
+ path = File.join(recipes_path, 'recipes.tgz')
+ File.open(path, 'wb') do |f|
+ open(Chef::Config[:recipe_url]) do |r|
+ f.write(r.read)
+ end
+ end
+ Chef::Mixin::Command.run_command(:command => "tar zxvfC #{path} #{recipes_path}")
+ end
+ end
+
+ def setup_application
+ Chef::Daemon.change_privilege
+ end
+
+ def run_application
+ if Chef::Config[:daemonize]
+ Chef::Daemon.daemonize("chef-client")
+ end
+
+ loop do
+ begin
+ if Chef::Config[:splay]
+ splay = rand Chef::Config[:splay]
+ Chef::Log.debug("Splay sleep #{splay} seconds")
+ sleep splay
+ end
+
+ @chef_solo = Chef::Client.new(
+ @chef_solo_json,
+ :override_runlist => config[:override_runlist]
+ )
+ @chef_solo.run
+ @chef_solo = nil
+ if Chef::Config[:interval]
+ Chef::Log.debug("Sleeping for #{Chef::Config[:interval]} seconds")
+ sleep Chef::Config[:interval]
+ else
+ Chef::Application.exit! "Exiting", 0
+ end
+ rescue SystemExit => e
+ raise
+ rescue Exception => e
+ if Chef::Config[:interval]
+ Chef::Log.error("#{e.class}: #{e}")
+ Chef::Log.debug("#{e.class}: #{e}\n#{e.backtrace.join("\n")}")
+ Chef::Log.fatal("Sleeping for #{Chef::Config[:interval]} seconds before trying again")
+ sleep Chef::Config[:interval]
+ retry
+ else
+ Chef::Application.debug_stacktrace(e)
+ Chef::Application.fatal!("#{e.class}: #{e.message}", 1)
+ end
+ end
+ end
+ end
+end
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