1 files changed, 30 insertions, 0 deletions
diff --git a/lib/puppet/parser/functions/is_ipv6_address.rb b/lib/puppet/parser/functions/is_ipv6_address.rb
new file mode 100644
index 0000000..7ca4997
--- /dev/null
+++ b/lib/puppet/parser/functions/is_ipv6_address.rb
@@ -0,0 +1,30 @@
+#
+# is_ipv6_address.rb
+#
+
+module Puppet::Parser::Functions
+  newfunction(:is_ipv6_address, :type => :rvalue, :doc => <<-EOS
+Returns true if the string passed to this function is a valid IPv6 address.
+    EOS
+  ) do |arguments|
+
+    function_deprecation([:is_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'
+
+    if (arguments.size != 1) then
+      raise(Puppet::ParseError, "is_ipv6_address(): Wrong number of arguments "+
+        "given #{arguments.size} for 1")
+    end
+
+    begin
+      ip = IPAddr.new(arguments[0])
+    rescue ArgumentError
+      return false
+    end
+
+    return ip.ipv6?
+  end
+end
+
+# vim: set ts=2 sw=2 et :