puppetlabs/puppetlabs-nova — pull request #128 by branan (2012-06-18 21:18:23+00:00)
Title: Use create_resources for the nova networking configuration

It appears that in some older versions of puppet, accessing a hash with an unused key will cause beelzebub himself to come forth. By using create_resources we avoid accessing the hash in puppet code and thus don't start summoning demons.