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#
# Author:: Tim Smith <tsmith@chef.io>
# Author:: Joshua Colson <joshua.colson@gmail.com>
# Copyright:: 2015-2019 Chef Software, Inc.
# Copyright:: 2019 Joshua Colson
# 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.
#
Ohai.plugin(:Virtualbox) do
depends "virtualization"
provides "virtualbox"
# query virtualbox for each configured vm, as well as
# each guest's individual configuration settings
def vboxmanage_list_vms
vms = Mash.new
so_cmd = "VBoxManage list --sorted vms"
logger.trace(so_cmd)
so = shell_out(so_cmd)
if so.exitstatus == 0
# parse the output
so.stdout.lines.each do |line|
case line
when /^"(\S*)" \{(\S*)\}$/
name = Regexp.last_match(1)
uuid = Regexp.last_match(2)
vms[name] = vboxmanage_vminfo(uuid)
end
end
end
vms
rescue Ohai::Exceptions::Exec
logger.trace("Plugin VboxHost: Could not run 'VBoxManage list --sorted vms'. Skipping data")
end
# query the vminfo for particular guest instance, normalizing
# the fields so that they're not enclosed in double-quotes (")
def vboxmanage_vminfo(machine_id)
vm = Mash.new
so_cmd = "VBoxManage showvminfo #{machine_id} --machinereadable"
logger.trace(so_cmd)
so = shell_out(so_cmd)
if so.exitstatus == 0
so.stdout.lines.each do |line|
line.chomp!
left, right = line.split("=")
# remove enclosing quotes, if needed
key = left.delete_prefix('"').delete_suffix('"')
# skip the name attribute since that is the parent key
next if key == "name"
vm[key.downcase] = right.delete_prefix('"').delete_suffix('"')
end
end
vm
rescue Ohai::Exceptions::Exec
logger.trace("Plugin VboxHost: Could not run '#{so_cmd}'. Skipping data")
end
# query virtualbox for a list of #{query_type} items
# these queries return a result set that is delimited by
# multiple successive newlines, with each block containing
# key/value pairs delimited by a colon (:) and column aligned
#
# the keys of each k/v pair are normalized to lowercase
def vboxmanage_list_blocks(query_type, name_key)
# ignore unrecognized query type
supported_queries = %w{
bridgedifs dhcpservers dvds hdds hostdvds
hostfloppies hostonlyifs natnets
}
return nil unless supported_queries.include? query_type
results = Mash.new
so_cmd = "VBoxManage list --sorted #{query_type}"
logger.trace(so_cmd)
so = shell_out(so_cmd)
# raise an exception if the command fails
# so.error!
if so.exitstatus == 0
# break the result into paragraph blocks, on successive newlines
so.stdout.each_line("") do |blk|
# remove the multiple newlines of each record
blk.chomp!.chomp!
# initialize a blank record hash
record = Mash.new
# parse the record block into key/value pairs
blk.each_line do |line|
next unless line.include? ":"
# split the line into key/value pair
key, right = line.split(":", 2)
# strip the leading/trailing whitespace if the value is not nil
value = right.nil? ? "" : right.strip
record[key.downcase] = value
end
# insert the record into the list of results
if record.key? name_key.downcase
name = record.delete(name_key.downcase)
results[name] = record
end
end
end
results
rescue Ohai::Exceptions::Exec
logger.trace("Plugin VboxHost: Could not run '#{so_cmd}'. Skipping data")
end
collect_data(:default) do
case virtualization.dig("systems", "vbox")
when "guest"
logger.trace("Plugin Virtualbox: Node detected as vbox guest. Collecting guest data.")
begin
so = shell_out("VBoxControl guestproperty enumerate")
if so.exitstatus == 0
virtualbox Mash.new
virtualbox[:host] = Mash.new
virtualbox[:guest] = Mash.new
so.stdout.lines.each do |line|
case line
when /LanguageID, value: (\S*),/
virtualbox[:host][:language] = Regexp.last_match(1)
when /VBoxVer, value: (\S*),/
virtualbox[:host][:version] = Regexp.last_match(1)
when /VBoxRev, value: (\S*),/
virtualbox[:host][:revision] = Regexp.last_match(1)
when %r{GuestAdd/VersionExt, value: (\S*),}
virtualbox[:guest][:guest_additions_version] = Regexp.last_match(1)
when %r{GuestAdd/Revision, value: (\S*),}
virtualbox[:guest][:guest_additions_revision] = Regexp.last_match(1)
end
end
end
rescue Ohai::Exceptions::Exec
logger.trace('Plugin Virtualbox: Could not execute "VBoxControl guestproperty enumerate". Skipping data collection.')
end
when "host"
logger.trace("Plugin Virtualbox: Node detected as vbox host. Collecting host data.")
virtualbox Mash.new
begin
# get a list of virtualbox guest vms
virtualbox["guests"] = vboxmanage_list_vms
# get a list of virtualbox virtual hard disk drives
virtualbox["hdds"] = vboxmanage_list_blocks("hdds", "Location")
# get a list of virtualbox virtual dvd drives
virtualbox["dvds"] = vboxmanage_list_blocks("dvds", "Location")
# get a list of virtualbox host dvd drives
virtualbox["hostdvds"] = vboxmanage_list_blocks("hostdvds", "Name")
# get a list of virtualbox host floppy drives
virtualbox["hostfloppies"] = vboxmanage_list_blocks("hostfloppies", "Name")
# get a list of virtualbox hostonly network interfaces
virtualbox["hostonlyifs"] = vboxmanage_list_blocks("hostonlyifs", "Name")
# get a list of virtualbox bridged network interfaces
virtualbox["bridgedifs"] = vboxmanage_list_blocks("bridgedifs", "Name")
# get a list of virtualbox dhcp servers
virtualbox["dhcpservers"] = vboxmanage_list_blocks("dhcpservers", "NetworkName")
# get a list of virtualbox nat networks
virtualbox["natnets"] = vboxmanage_list_blocks("natnets", "NetworkName")
rescue Ohai::Exceptions::Exec
logger.trace("Plugin VboxHost: Could not collect data for VirtualBox host. Skipping data")
end
else
logger.trace("Plugin Virtualbox: Not on a Virtualbox host or guest. Skipping plugin.")
end
end
end
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