/usr/lib/ruby/vendor_ruby/ohai/plugins/virtualization.rb is in ohai 8.4.0-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# Author:: Benjamin Black (<bb@opscode.com>)
# Copyright:: Copyright (c) 2009 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.
#
Ohai.plugin(:VirtualizationInfo) do
%w{ uri capabilities nodeinfo domains networks storage }.each do |info|
provides "virtualization/#{info}"
end
collect_data do
unless virtualization.nil? || !(virtualization[:role].eql?("host"))
begin
require 'libvirt'
require 'hpricot'
emu = (virtualization[:system].eql?('kvm') ? 'qemu' : virtualization[:system])
virtualization[:libvirt_version] = Libvirt::version(emu)[0].to_s
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
#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)}
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)}
#xdoc = Hpricot virtualization[:domains][dv.name][:xml_desc]
end
virtualization[:networks] = Mash.new
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)}
#xdoc = Hpricot virtualization[:networks][n][:xml_desc]
end
virtualization[:storage] = Mash.new
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)}
#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)}
end
end
virtconn.close
rescue LoadError => e
Ohai::Log.debug("Can't load gem: #{e}. virtualization plugin is disabled.")
end
end
end
end
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