Class: Facts::Linux::IsVirtual

Inherits:
Object
  • Object
show all
Defined in:
lib/facter/facts/linux/is_virtual.rb

Constant Summary collapse

FACT_NAME = 
'is_virtual'
PHYSICAL_HYPERVISORS = 
%w[physical xen0 vmware_server vmware_workstation openvzhn vserver_host].freeze

Instance Method Summary collapse

Instance Method Details

#call_the_resolver ⇒ Object

rubocop:disable Metrics/CyclomaticComplexity, Metrics/PerceivedComplexity



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# File 'lib/facter/facts/linux/is_virtual.rb', line 10

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

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

#check_docker_lxc ⇒ Object 



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# File 'lib/facter/facts/linux/is_virtual.rb', line 22

def check_docker_lxc
  Facter::Resolvers::Containers.resolve(:vm)
end

#check_gce ⇒ Object 



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# File 'lib/facter/facts/linux/is_virtual.rb', line 17

def check_gce
  bios_vendor = Facter::Resolvers::Linux::DmiBios.resolve(:bios_vendor)
  'gce' if bios_vendor&.include?('Google')
end

#check_if_virtual(found_vm) ⇒ Object 



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# File 'lib/facter/facts/linux/is_virtual.rb', line 61

def check_if_virtual(found_vm)
  PHYSICAL_HYPERVISORS.count(found_vm).zero?
end

#check_lspci ⇒ Object 



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# File 'lib/facter/facts/linux/is_virtual.rb', line 57

def check_lspci
  Facter::Resolvers::Lspci.resolve(:vm)
end

#check_open_vz ⇒ Object 



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# File 'lib/facter/facts/linux/is_virtual.rb', line 34

def check_open_vz
  Facter::Resolvers::OpenVz.resolve(:vm)
end

#check_other_facts ⇒ Object 



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# File 'lib/facter/facts/linux/is_virtual.rb', line 46

def check_other_facts
  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/linux/is_virtual.rb', line 26

def check_vmware
  Facter::Resolvers::Vmware.resolve(:vm)
end

#check_vserver ⇒ Object 



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# File 'lib/facter/facts/linux/is_virtual.rb', line 38

def check_vserver
  Facter::Resolvers::VirtWhat.resolve(:vserver)
end

#check_xen ⇒ Object 



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# File 'lib/facter/facts/linux/is_virtual.rb', line 42

def check_xen
  Facter::Resolvers::Xen.resolve(:vm)
end

#retrieve_from_virt_what ⇒ Object 



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# File 'lib/facter/facts/linux/is_virtual.rb', line 30

def retrieve_from_virt_what
  Facter::Resolvers::VirtWhat.resolve(:vm)
end