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Size: 1.83 KB
Versions: 7
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Contents
# frozen_string_literal: true
module Facter
module Resolvers
class VirtWhat < BaseResolver
init_resolver
class << self
private
def post_resolve(fact_name, _options)
@fact_list.fetch(fact_name) { retrieve_from_virt_what(fact_name) }
end
def retrieve_from_virt_what(fact_name)
output = Facter::Core::Execution.execute('virt-what', logger: log)
@fact_list[:vm] = determine_xen(output)
@fact_list[:vm] ||= determine_other(output)
retrieve_vserver unless @fact_list[:vserver]
@fact_list[fact_name]
end
def determine_xen(output)
xen_info = /^xen\n.*/.match(output)
return unless xen_info
xen_info = xen_info.to_s
return 'xenu' if /xen-domu/.match?(xen_info)
return 'xenhvm' if /xen-hvm/.match?(xen_info)
'xen0' if /xen-dom0/.match?(xen_info)
end
def determine_other(output)
values = output.split("\n")
other_vm = values.first
return unless other_vm
return 'zlinux' if /ibm_systemz/.match?(other_vm)
return retrieve_vserver if /linux_vserver/.match?(other_vm)
return (values - ['redhat']).first if values.include?('redhat')
other_vm
end
def retrieve_vserver
proc_status_content = Facter::Util::FileHelper.safe_readlines('/proc/self/status', nil)
return unless proc_status_content
proc_status_content.each do |line|
parts = line.split("\s")
next unless parts.size.equal?(2)
next unless /^s_context:|^VxID:/.match?(parts[0])
return @fact_list[:vserver] = 'vserver_host' if parts[1] == '0'
return @fact_list[:vserver] = 'vserver'
end
end
end
end
end
end
Version data entries
7 entries across 7 versions & 1 rubygems