Mirantis/fuel — pull request #536 by xenolog (2013-09-07 13:15:08+00:00)
Title: Puppet parser function sanitize_bool_in_hash(hash)

This function get Hash, recursive convert string implementation
of true, false, none, null, nil to Puppet/Ruby-specific types.

It's should be used while we getting data structures from JSON-like facts.
ex:

$network_schema = sanitize_bool_in_hash(parsejson($::network_sxema))