class Facter::Resolvers::Virtualization

Constants

MODEL_HASH

Virtual Is_Virtual

Private Class Methods

build_fact_list(comp) click to toggle source
# File lib/facter/resolvers/windows/virtualization.rb, line 53
def build_fact_list(comp)
  @fact_list[:oem_strings] = []
  @fact_list[:oem_strings] += comp.to_enum.map(&:OEMStringArray).flatten

  comp = comp.to_enum.first
  hypervisor = determine_hypervisor_by_model(comp) || determine_hypervisor_by_manufacturer(comp)

  @fact_list[:virtual] = hypervisor
  @fact_list[:is_virtual] = hypervisor.include?('physical') ? false : true
end
determine_hypervisor_by_manufacturer(comp) click to toggle source
# File lib/facter/resolvers/windows/virtualization.rb, line 40
def determine_hypervisor_by_manufacturer(comp)
  manufacturer = comp.Manufacturer
  if comp.Model =~ /^Virtual Machine/ && manufacturer =~ /^Microsoft/
    'hyperv'
  elsif manufacturer =~ /^Xen/
    'xen'
  elsif manufacturer =~ /^Amazon EC2/
    'kvm'
  else
    'physical'
  end
end
determine_hypervisor_by_model(comp) click to toggle source
# File lib/facter/resolvers/windows/virtualization.rb, line 36
def determine_hypervisor_by_model(comp)
  MODEL_HASH[MODEL_HASH.keys.find { |key| comp.Model =~ /^#{key}/ }]
end
post_resolve(fact_name, _options) click to toggle source
# File lib/facter/resolvers/windows/virtualization.rb, line 19
def post_resolve(fact_name, _options)
  @fact_list.fetch(fact_name) { read_fact_from_computer_system(fact_name) }
end
read_fact_from_computer_system(fact_name) click to toggle source
# File lib/facter/resolvers/windows/virtualization.rb, line 23
def read_fact_from_computer_system(fact_name)
  win = Facter::Util::Windows::Win32Ole.new
  comp = win.exec_query('SELECT Manufacturer,Model,OEMStringArray FROM Win32_ComputerSystem')
  unless comp
    @log.debug 'WMI query returned no results for Win32_ComputerSystem with values'\
    ' Manufacturer, Model and OEMStringArray.'
    return
  end

  build_fact_list(comp)
  @fact_list[fact_name]
end