lib/facts/linux/virtual.rb
# frozen_string_literal: true
module Facts
module Linux
class Virtual
FACT_NAME = 'virtual'
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, fact_value)
end
def check_gce
bios_vendor = Facter::Resolvers::Linux::DmiBios.resolve(:bios_vendor)
'gce' if bios_vendor&.include?('Google')
end
def check_docker_lxc
Facter::Resolvers::DockerLxc.resolve(:vm)
end
def check_vmware
Facter::Resolvers::Vmware.resolve(:vm)
end
def retrieve_from_virt_what
Facter::Resolvers::VirtWhat.resolve(:vm)
end
def check_open_vz
Facter::Resolvers::OpenVz.resolve(:vm)
end
def check_vserver
Facter::Resolvers::VirtWhat.resolve(:vserver)
end
def check_xen
Facter::Resolvers::Xen.resolve(:vm)
end
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) }
end
def check_lspci
Facter::Resolvers::Lspci.resolve(:vm)
end
end
end
end