module Puppet::Parser::Functions newfunction(:validate_ip_address, :doc => <<-ENDHEREDOC Validate that all values passed are valid IP addresses, regardless they are IPv4 or IPv6 Fail compilation if any value fails this check. The following values will pass: $my_ip = "1.2.3.4" validate_ip_address($my_ip) validate_ip_address("8.8.8.8", "172.16.0.1", $my_ip) $my_ip = "3ffe:505:2" validate_ip_address(1) validate_ip_address($my_ip) validate_ip_address("fe80::baf6:b1ff:fe19:7507", $my_ip) The following values will fail, causing compilation to abort: $some_array = [ 1, true, false, "garbage string", "3ffe:505:2" ] validate_ip_address($some_array) ENDHEREDOC ) do |args| require "ipaddr" rescuable_exceptions = [ ArgumentError ] function_deprecation([:puppet_3_type_check, 'This method is deprecated, please use the stdlib validate_legacy function, with Stdlib::Compat::Ip_address. There is further documentation for validate_legacy function in the README.']) if defined?(IPAddr::InvalidAddressError) rescuable_exceptions << IPAddr::InvalidAddressError end unless args.length > 0 then raise Puppet::ParseError, ("validate_ip_address(): wrong number of arguments (#{args.length}; must be > 0)") end args.each do |arg| unless arg.is_a?(String) raise Puppet::ParseError, "#{arg.inspect} is not a string." end begin unless IPAddr.new(arg).ipv4? or IPAddr.new(arg).ipv6? raise Puppet::ParseError, "#{arg.inspect} is not a valid IP address." end rescue *rescuable_exceptions raise Puppet::ParseError, "#{arg.inspect} is not a valid IP address." end end end end