Added an 'ohai' module. Some weird JSON hackage to get it to work.

README.md

@@ -146,6 +146,7 @@ Modules include:
    * command -- runs commands, giving output, return codes, and run time info
    * ping - just returns if the system is up or not
    * facter - retrieves facts about the host OS
+   * ohai - similar to facter, but returns structured data
    * copy - add files to remote systems
 
 Playbooks

library/ohai

@@ -0,0 +1,12 @@
+#!/usr/bin/python
+
+# requires 'ohai' to be installed
+
+import json
+import subprocess
+
+cmd = subprocess.Popen("/usr/bin/ohai", stdout=subprocess.PIPE, stderr=subprocess.PIPE)
+out, err = cmd.communicate()
+
+# try to cleanup the JSON, for some reason facter --json doesn't need this hack
+print json.dumps(json.loads(out))