secret delete fails with empty secret_store_metadata

[Steve Heyman]

Doing a 2 step secret create with binary data. The secret gets created but the delete fails with http 500.

We get a secret_model in the secret DELETE controller but the secret_store_metadata is empty, so no plugin can be found.

Stack:

2014-08-08 14:59:30.248 63671 ERROR barbican.api.controllers [-] Secret deletion failure seen - please contact site administrator.
2014-08-08 14:59:30.248 63671 TRACE barbican.api.controllers Traceback (most recent call last):
2014-08-08 14:59:30.248 63671 TRACE barbican.api.controllers File "/Users/step6927/barbican/barbican/api/controllers/__init__.py", line 85, in handler
2014-08-08 14:59:30.248 63671 TRACE barbican.api.controllers return fn(inst, *args, **kwargs)
2014-08-08 14:59:30.248 63671 TRACE barbican.api.controllers File "/Users/step6927/barbican/barbican/api/controllers/__init__.py", line 71, in enforcer
2014-08-08 14:59:30.248 63671 TRACE barbican.api.controllers return fn(inst, *args, **kwargs)
2014-08-08 14:59:30.248 63671 TRACE barbican.api.controllers File "/Users/step6927/barbican/barbican/api/controllers/secrets.py", line 184, in on_delete
2014-08-08 14:59:30.248 63671 TRACE barbican.api.controllers plugin.delete_secret(secret_model, keystone_id, self.repos)
2014-08-08 14:59:30.248 63671 TRACE barbican.api.controllers File "/Users/step6927/barbican/barbican/plugin/resources.py", line 213, in delete_secret
2014-08-08 14:59:30.248 63671 TRACE barbican.api.controllers .get_plugin_retrieve_delete(secret_metadata.get('plugin_name'))
2014-08-08 14:59:30.248 63671 TRACE barbican.api.controllers File "/Users/step6927/barbican/barbican/plugin/interface/secret_store.py", line 425, in get_plugin_retrieve_delete
2014-08-08 14:59:30.248 63671 TRACE barbican.api.controllers raise SecretStoreSupportedPluginNotFound()
2014-08-08 14:59:30.248 63671 TRACE barbican.api.controllers SecretStoreSupportedPluginNotFound: Secret store plugin not found for requested operation.