For what it is worth, jclouds has a GAE driver although it may have bit-rotted:
https://issues.apache.org/jira/browse/JCLOUDS-836 -- You are receiving this because you are subscribed to this thread. Reply to this email directly or view it on GitHub: https://github.com/jclouds/jclouds-site/pull/199#issuecomment-315960455
