module Puppet::Parser::Functions newfunction(:validate_ipv6_address, :doc => <<-ENDHEREDOC Validate that all values passed are valid IPv6 addresses. Fail compilation if any value fails this check. The following values will pass: $my_ip = "3ffe:505:2" validate_ipv6_address(1) validate_ipv6_address($my_ip) validate_bool("fe80::baf6:b1ff:fe19:7507", $my_ip) The following values will fail, causing compilation to abort: $some_array = [ true, false, "garbage string", "1.2.3.4" ] validate_ipv6_address($some_array) ENDHEREDOC ) do |args| function_deprecation([:validate_ipv6_address, 'This method is deprecated, please use the stdlib validate_legacy function, with Stdlib::Compat::Ipv6. There is further documentation for validate_legacy function in the README.']) require "ipaddr" rescuable_exceptions = [ ArgumentError ] if defined?(IPAddr::InvalidAddressError) rescuable_exceptions << IPAddr::InvalidAddressError end unless args.length > 0 then raise Puppet::ParseError, ("validate_ipv6_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).ipv6? raise Puppet::ParseError, "#{arg.inspect} is not a valid IPv6 address." end rescue *rescuable_exceptions raise Puppet::ParseError, "#{arg.inspect} is not a valid IPv6 address." end end end end