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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::REGEX_MAP[:linux][:ipaddress6] =
/inet6 (?:addr: )?((?!(?:fe80|::1))(?>[0-9,a-f,A-F]*\:{1,2})+[0-9,a-f,A-F]{0,4})/
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
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