Class: Facter::VirtualDetector

Inherits:
Object
  • Object
show all
Defined in:
lib/facter/facts_utils/virtual_detector.rb

Instance Method Summary collapse

Constructor Details

#initialize ⇒ VirtualDetector

Returns a new instance of VirtualDetector.



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# File 'lib/facter/facts_utils/virtual_detector.rb', line 5

def initialize
  @log = Facter::Log.new(self)
end

Instance Method Details

#check_dmi ⇒ Object 



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# File 'lib/facter/facts_utils/virtual_detector.rb', line 21

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 ⇒ Object 



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# File 'lib/facter/facts_utils/virtual_detector.rb', line 16

def check_docker_lxc
  @log.debug('Checking Docker and LXC')
  Facter::Resolvers::Containers.resolve(:vm)
end

#check_gce ⇒ Object 



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# File 'lib/facter/facts_utils/virtual_detector.rb', line 30

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 ⇒ Object 



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# File 'lib/facter/facts_utils/virtual_detector.rb', line 73

def check_lspci
  @log.debug('Checking lspci')
  Facter::Resolvers::Lspci.resolve(:vm)
end

#check_open_vz ⇒ Object 



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# File 'lib/facter/facts_utils/virtual_detector.rb', line 46

def check_open_vz
  @log.debug('Checking OpenVZ')
  Facter::Resolvers::OpenVz.resolve(:vm)
end

#check_other_facts ⇒ Object 



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# File 'lib/facter/facts_utils/virtual_detector.rb', line 61

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

  nil
end

#check_vmware ⇒ Object 



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# File 'lib/facter/facts_utils/virtual_detector.rb', line 36

def check_vmware
  @log.debug('Checking VMware')
  Facter::Resolvers::Vmware.resolve(:vm)
end

#check_vserver ⇒ Object 



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# File 'lib/facter/facts_utils/virtual_detector.rb', line 51

def check_vserver
  @log.debug('Checking VServer')
  Facter::Resolvers::VirtWhat.resolve(:vserver)
end

#check_xen ⇒ Object 



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# File 'lib/facter/facts_utils/virtual_detector.rb', line 56

def check_xen
  @log.debug('Checking XEN')
  Facter::Resolvers::Xen.resolve(:vm)
end

#platform ⇒ Object

rubocop:disable Metrics/CyclomaticComplexity, Metrics/PerceivedComplexity



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# File 'lib/facter/facts_utils/virtual_detector.rb', line 9

def platform # rubocop:disable Metrics/CyclomaticComplexity, Metrics/PerceivedComplexity
  fact_value = check_docker_lxc || check_dmi || check_gce || retrieve_from_virt_what || check_vmware
  fact_value ||= check_open_vz || check_vserver || check_xen || check_other_facts || check_lspci || 'physical'

  fact_value
end

#retrieve_from_virt_what ⇒ Object 



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# File 'lib/facter/facts_utils/virtual_detector.rb', line 41

def retrieve_from_virt_what
  @log.debug('Checking virtual_what')
  Facter::Resolvers::VirtWhat.resolve(:vm)
end