class Facts::Linux::Hypervisors::Kvm

Constants

FACT_NAME

Public Class Methods

new() click to toggle source
# File lib/facter/facts/linux/hypervisors/kvm.rb, line 8
def initialize
  @log = Facter::Log.new(self)
end

Public Instance Methods

call_the_resolver() click to toggle source
# File lib/facter/facts/linux/hypervisors/kvm.rb, line 12
def call_the_resolver
  hypervisor = discover_hypervisor
  @log.debug("Detected hypervisor #{hypervisor}")

  return Facter::ResolvedFact.new(FACT_NAME, nil) if %w[virtualbox parallels].include?(hypervisor)

  fact_value = discover_provider if kvm?

  Facter::ResolvedFact.new(FACT_NAME, fact_value)
end

Private Instance Methods

discover_hypervisor() click to toggle source
# File lib/facter/facts/linux/hypervisors/kvm.rb, line 25
def discover_hypervisor
  product_name = Facter::Resolvers::Linux::DmiBios.resolve(:product_name)
  @log.debug("Detected product name: #{product_name}")

  return unless product_name

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

  product_name
end
discover_provider() click to toggle source
# File lib/facter/facts/linux/hypervisors/kvm.rb, line 46
def discover_provider
  manufacturer = Facter::Resolvers::Linux::DmiBios.resolve(:sys_vendor)
  @log.debug("Detected manufacturer: #{manufacturer}")

  return { google: true } if manufacturer == 'Google'

  return { openstack: true } if manufacturer =~ /^OpenStack/

  return { amazon: true } if manufacturer =~ /^Amazon/

  {}
end
kvm?() click to toggle source
# File lib/facter/facts/linux/hypervisors/kvm.rb, line 36
def kvm?
  bios_vendor = Facter::Resolvers::Linux::DmiBios.resolve(:bios_vendor)
  @log.debug("Detected bios vendor: #{bios_vendor}")

  Facter::Resolvers::VirtWhat.resolve(:vm) == 'kvm' ||
    Facter::Resolvers::Lspci.resolve(:vm) == 'kvm' ||
    bios_vendor&.include?('Amazon EC2') ||
    bios_vendor&.include?('Google')
end