class Facter::Util::Facts::VirtualDetector

Public Class Methods

new() click to toggle source
# File lib/facter/util/facts/virtual_detector.rb, line 7
def initialize
  @log = Facter::Log.new(self)
end

Public Instance Methods

check_dmi() click to toggle source
# File lib/facter/util/facts/virtual_detector.rb, line 24
def check_dmi
  @log.debug('Checking DMI')
  vendor = Facter::Resolvers::DmiDecode.resolve(:vendor)
  @log.debug("dmi detected vendor: #{vendor}")
  return 'kvm' if vendor =~ /Amazon/

  'xen' if vendor =~ /Xen/
end
check_docker_lxc() click to toggle source
# File lib/facter/util/facts/virtual_detector.rb, line 19
def check_docker_lxc
  @log.debug('Checking Docker and LXC')
  Facter::Resolvers::Containers.resolve(:vm)
end
check_freebsd() click to toggle source
# File lib/facter/util/facts/virtual_detector.rb, line 64
def check_freebsd
  return unless Object.const_defined?('Facter::Resolvers::Freebsd::Virtual')

  @log.debug('Checking if jailed')
  Facter::Resolvers::Freebsd::Virtual.resolve(:vm)
end
check_gce() click to toggle source
# File lib/facter/util/facts/virtual_detector.rb, line 33
def check_gce
  @log.debug('Checking GCE')
  bios_vendor = Facter::Resolvers::Linux::DmiBios.resolve(:bios_vendor)
  'gce' if bios_vendor&.include?('Google')
end
check_lspci() click to toggle source
# File lib/facter/util/facts/virtual_detector.rb, line 83
def check_lspci
  @log.debug('Checking lspci')
  Facter::Resolvers::Lspci.resolve(:vm)
end
check_open_vz() click to toggle source
# File lib/facter/util/facts/virtual_detector.rb, line 49
def check_open_vz
  @log.debug('Checking OpenVZ')
  Facter::Resolvers::OpenVz.resolve(:vm)
end
check_other_facts() click to toggle source
# File lib/facter/util/facts/virtual_detector.rb, line 71
def check_other_facts
  @log.debug('Checking others')
  product_name = Facter::Resolvers::Linux::DmiBios.resolve(:product_name)
  bios_vendor =  Facter::Resolvers::Linux::DmiBios.resolve(:bios_vendor)
  return 'kvm' if bios_vendor&.include?('Amazon EC2')
  return unless product_name

  Facter::Util::Facts::HYPERVISORS_HASH.each { |key, value| return value if product_name.include?(key) }

  nil
end
check_vmware() click to toggle source
# File lib/facter/util/facts/virtual_detector.rb, line 39
def check_vmware
  @log.debug('Checking VMware')
  Facter::Resolvers::Vmware.resolve(:vm)
end
check_vserver() click to toggle source
# File lib/facter/util/facts/virtual_detector.rb, line 54
def check_vserver
  @log.debug('Checking VServer')
  Facter::Resolvers::VirtWhat.resolve(:vserver)
end
check_xen() click to toggle source
# File lib/facter/util/facts/virtual_detector.rb, line 59
def check_xen
  @log.debug('Checking XEN')
  Facter::Resolvers::Xen.resolve(:vm)
end
platform() click to toggle source
# File lib/facter/util/facts/virtual_detector.rb, line 11
def platform
  fact_value = check_docker_lxc || check_dmi || check_freebsd || check_gce || retrieve_from_virt_what
  fact_value ||= check_vmware || check_open_vz || check_vserver || check_xen || check_other_facts
  fact_value ||= check_lspci || 'physical'

  fact_value
end
retrieve_from_virt_what() click to toggle source
# File lib/facter/util/facts/virtual_detector.rb, line 44
def retrieve_from_virt_what
  @log.debug('Checking virtual_what')
  Facter::Resolvers::VirtWhat.resolve(:vm)
end