admin extension gives 500 when listing instances

[Anna Shen]

./redstack rd-mgmt-client instance list gives 500 error code:

Internal Server Error. Please keep this ID to help us figure out what went wrong: (2db71349-f02c-4430-add8-741d0d3b7595) (HTTP 500)

TROVE-API ERROR TRACE:

2013-08-08 22:26:19.050 12091 INFO trove.extensions.mgmt.instances.models [req-09ca6738-ccfd-4d6b-8b55-e80f4d0c7269 radmin e351a185ff1a4ed9a2044c348dafcccd] Found 3 servers in Nova
2013-08-08 22:26:19.056 12091 INFO trove.instance.models [req-09ca6738-ccfd-4d6b-8b55-e80f4d0c7269 radmin e351a185ff1a4ed9a2044c348dafcccd] Server api_status(ACTIVE)
2013-08-08 22:26:19.057 12091 INFO trove.instance.models [req-09ca6738-ccfd-4d6b-8b55-e80f4d0c7269 radmin e351a185ff1a4ed9a2044c348dafcccd] Server api_status(NEW)
2013-08-08 22:26:19.059 12091 INFO trove.instance.models [req-09ca6738-ccfd-4d6b-8b55-e80f4d0c7269 radmin e351a185ff1a4ed9a2044c348dafcccd] Server api_status(ACTIVE)
2013-08-08 22:26:19.062 12091 DEBUG trove.instance.views [req-09ca6738-ccfd-4d6b-8b55-e80f4d0c7269 radmin e351a185ff1a4ed9a2044c348dafcccd] {'status': 'ACTIVE', 'name': u'test1', 'links': [{'href': u'https://10.6.30.245:8779/v1.0/e351a185ff1a4ed9a2044c348dafcccd/instances/47274435-9582-4355-b530-2c4a7a3af43f', 'rel': 'self'}, {'href': u'https://10.6.30.245:8779/instances/47274435-9582-4355-b530-2c4a7a3af43f', 'rel': 'bookmark'}], 'volume': {'size': 1L}, 'flavor': {'id': '9', 'links': [{'href': u'https://10.6.30.245:8779/v1.0/e351a185ff1a4ed9a2044c348dafcccd/flavors/9', 'rel': 'self'}, {'href': 'https://10.6.30.245:8779/flavors/9', 'rel': 'bookmark'}]}, 'id': u'47274435-9582-4355-b530-2c4a7a3af43f'} data /opt/stack/trove/trove/instance/views.py:58
2013-08-08 22:26:19.062 12091 ERROR trove.common.wsgi [req-09ca6738-ccfd-4d6b-8b55-e80f4d0c7269 radmin e351a185ff1a4ed9a2044c348dafcccd] 2db71349-f02c-4430-add8-741d0d3b7595: deleted
2013-08-08 22:26:19.062 12091 TRACE trove.common.wsgi Traceback (most recent call last):
2013-08-08 22:26:19.062 12091 TRACE trove.common.wsgi File "/opt/stack/trove/trove/common/wsgi.py", line 323, in execute_action
2013-08-08 22:26:19.062 12091 TRACE trove.common.wsgi **action_args)
2013-08-08 22:26:19.062 12091 TRACE trove.common.wsgi File "/opt/stack/trove/trove/openstack/common/wsgi.py", line 395, in execute_action
2013-08-08 22:26:19.062 12091 TRACE trove.common.wsgi return self.dispatch(self.controller, action, request, **action_args)
2013-08-08 22:26:19.062 12091 TRACE trove.common.wsgi File "/opt/stack/trove/trove/openstack/common/wsgi.py", line 404, in dispatch
2013-08-08 22:26:19.062 12091 TRACE trove.common.wsgi return method(*args, **kwargs)
2013-08-08 22:26:19.062 12091 TRACE trove.common.wsgi File "/opt/stack/trove/trove/common/auth.py", line 87, in wrapper
2013-08-08 22:26:19.062 12091 TRACE trove.common.wsgi return f(*args, **kwargs)
2013-08-08 22:26:19.062 12091 TRACE trove.common.wsgi File "/opt/stack/trove/trove/extensions/mgmt/instances/service.py", line 70, in index
2013-08-08 22:26:19.062 12091 TRACE trove.common.wsgi return wsgi.Result(view_cls(instances, req=req).data(), 200)
2013-08-08 22:26:19.062 12091 TRACE trove.common.wsgi File "/opt/stack/trove/trove/extensions/mgmt/instances/views.py", line 106, in data
2013-08-08 22:26:19.062 12091 TRACE trove.common.wsgi data.append(self.data_for_instance(instance))
2013-08-08 22:26:19.062 12091 TRACE trove.common.wsgi File "/opt/stack/trove/trove/extensions/mgmt/instances/views.py", line 111, in data_for_instance
2013-08-08 22:26:19.062 12091 TRACE trove.common.wsgi return view.data()['instance']
2013-08-08 22:26:19.062 12091 TRACE trove.common.wsgi File "/opt/stack/trove/trove/extensions/mgmt/instances/views.py", line 34, in data
2013-08-08 22:26:19.062 12091 TRACE trove.common.wsgi 'deleted': server.deleted,
2013-08-08 22:26:19.062 12091 TRACE trove.common.wsgi File "/opt/stack/python-novaclient/novaclient/base.py", line 425, in __getattr__
2013-08-08 22:26:19.062 12091 TRACE trove.common.wsgi raise AttributeError(k)
2013-08-08 22:26:19.062 12091 TRACE trove.common.wsgi AttributeError: deleted
2013-08-08 22:26:19.062 12091 TRACE trove.common.wsgi
2013-08-08 22:26:19.063 12091 ERROR trove.common.wsgi [req-09ca6738-ccfd-4d6b-8b55-e80f4d0c7269 radmin e351a185ff1a4ed9a2044c348dafcccd] unserializable result detected! Exception type: <type 'exceptions.ValueError'> Message: Circular reference detected
2013-08-08 22:26:19.066 12091 INFO eventlet.wsgi [req-09ca6738-ccfd-4d6b-8b55-e80f4d0c7269 radmin e351a185ff1a4ed9a2044c348dafcccd] 10.6.30.245 - - [08/Aug/2013 22:26:19] "GET /v1.0/e351a185ff1a4ed9a2044c348dafcccd/mgmt/instances HTTP/1.1" 500 310 0.174084

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/42207

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/42207
Committed: http://github.com/openstack/trove/commit/2da27356238391b17ffa4f73303aa35f87ebc6d0
Submitter: Jenkins
Branch: master

commit 2da27356238391b17ffa4f73303aa35f87ebc6d0
Author: Anna Shen <email address hidden>
Date: Thu Aug 15 12:41:40 2013 -0700

    Fix admin extension gives 500 when listing instances

    Bug# 1210322

    Change-Id: Ib2c5e3d43688f0bb002eefc1c1ca4d347aa71f3c