diff --git a/lib/puppet/parser/functions/bool2onoff.rb b/lib/puppet/parser/functions/bool2onoff.rb
new file mode 100644
index 0000000..e2b4e77
--- /dev/null
+++ b/lib/puppet/parser/functions/bool2onoff.rb
@@ -0,0 +1,27 @@
+#shamesly stolen from: https://github.com/puppetlabs/puppetlabs-apache/blob/master/lib/puppet/parser/functions/bool2httpd.rb
+# with minor changes
+#
+#
+#Copyright (C) 2012 Puppet Labs Inc
+#
+#Puppet Labs can be contacted at: info@puppetlabs.com
+#
+#Licensed under the Apache License, Version 2.0 (the "License");
+#
+#
+Puppet::Parser::Functions::newfunction(:bool2onoff, :type => :rvalue, :doc => <<-EOS
+Transform a supposed boolean to On or Off. Other values through.
+EOS
+) do |args|
+  raise(Puppet::ParseError, "bool2onoff() wrong number of arguments. Given: #{args.size} for 1)") if args.size != 1
+
+  arg = args[0]
+
+  if arg.nil? or arg == false or arg =~ /false/i or arg =~ /off/i or arg == :undef
+    return 'off'
+  elsif arg == true or arg =~ /true/i or arg =~ /on/i
+    return 'on'
+  end
+
+  return arg.to_s
+end
diff --git a/lib/puppet/parser/functions/bool2yesno.rb b/lib/puppet/parser/functions/bool2yesno.rb
new file mode 100644
index 0000000..778a7e0
--- /dev/null
+++ b/lib/puppet/parser/functions/bool2yesno.rb
@@ -0,0 +1,17 @@
+Puppet::Parser::Functions::newfunction(:bool2yesno, :type => :rvalue, :doc => <<-EOS
+Transform a supposed boolean to yes or no. Pass all other values through.
+Given a nil value (undef), bool2yesno will return 'no'
+EOS
+) do |args|
+  raise(Puppet::ParseError, "bool2yesno() wrong number of arguments. #{args.size} vs 1)") if args.size != 1
+
+  arg = args[0]
+
+  if arg.nil? or arg == false or arg =~ /false/i or arg =~ /no/i or arg == :undef
+    return 'no'
+  elsif arg == true or arg =~ /true/i or arg =~ /yes/i
+    return 'yes'
+  end
+
+  return arg.to_s
+end