require 'ipaddr' def netmask6(value) if value ip = IPAddr.new('::0').mask(value) ip.inspect.split('/')[1].gsub('>', '') end end if Facter.value('facterversion')[0].to_i < 3 Facter::Util::IP.get_interfaces.each do |interface| Facter.add('netmask6_' + Facter::Util::IP.alphafy(interface)) do setcode do tmp = [] regex = %r{inet6\s+.*\s+(?:prefixlen)\s+(\d+)}x output_int = Facter::Util::IP.get_output_for_interface_and_label(interface, 'netmask6') output_int.each_line do |line| prefixlen = nil matches = line.match(regex) prefixlen = matches[1] if matches if prefixlen value = netmask6(prefixlen) tmp.push(value) end end tmp.shift if tmp end end end Facter.add('netmask6') do setcode do prefixlen = nil regex = %r{#{Facter.value(:ipaddress6)}.*?(?:prefixlen)\s*(\d+)}x String(Facter::Util::IP.exec_ifconfig(['2>/dev/null'])).split(/\n/).collect do |line| matches = line.match(regex) prefixlen = matches[1] if matches end netmask6(prefixlen) if prefixlen end end end