We saw sporadic failures like the followings, details is at http://logs.openstack.org/90/63890/25/gate/gate-tempest-dsvm-full/cf26b8e/
2014-03-12 03:06:33.447 | ======================================================================
2014-03-12 03:06:33.447 | FAIL: tempest.api.volume.admin.test_volume_quotas.VolumeQuotasAdminTestJSON.test_update_all_quota_resources_for_tenant[gate]
2014-03-12 03:06:33.448 | tempest.api.volume.admin.test_volume_quotas.VolumeQuotasAdminTestJSON.test_update_all_quota_resources_for_tenant[gate]
2014-03-12 03:06:33.448 | ----------------------------------------------------------------------
2014-03-12 03:06:33.448 | _StringException: Empty attachments:
2014-03-12 03:06:33.448 | stderr
2014-03-12 03:06:33.448 | stdout
2014-03-12 03:06:33.448 |
2014-03-12 03:06:33.448 | pythonlogging:'': {{{
2014-03-12 03:06:33.449 | 2014-03-12 02:55:37,082 Request: GET http://127.0.0.1:8776/v1/aa7b1fdcddc444e4b2ffbd797dca7052/os-quota-sets/64a8d0b3103843b3a7eb42b69fcb3d83/defaults
2014-03-12 03:06:33.449 | 2014-03-12 02:55:37,083 Request Headers: {'Content-Type': 'application/json', 'Accept': 'application/json', 'X-Auth-Token': '<Token omitted>'}
2014-03-12 03:06:33.449 | 2014-03-12 02:55:37,102 Response Status: 200
2014-03-12 03:06:33.449 | 2014-03-12 02:55:37,102 Nova/Cinder request id: req-7cf9f09b-405a-4044-a5ea-2a1be6356c40
2014-03-12 03:06:33.449 | 2014-03-12 02:55:37,103 Response Headers: {'content-length': '229', 'content-location': u'http://127.0.0.1:8776/v1/aa7b1fdcddc444e4b2ffbd797dca7052/os-quota-sets/64a8d0b3103843b3a7eb42b69fcb3d83/defaults', 'connection': 'close', 'date': 'Wed, 12 Mar 2014 02:55:37 GMT', 'content-type': 'application/json', 'x-openstack-request-id': 'req-7cf9f09b-405a-4044-a5ea-2a1be6356c40'}
2014-03-12 03:06:33.449 | 2014-03-12 02:55:37,103 Response Body: {"quota_set": {"snapshots_volume-type--1191136584": -1, "gigabytes": 1000, "snapshots": 10, "volumes_volume-type--1191136584": -1, "volumes": 10, "id": "64a8d0b3103843b3a7eb42b69fcb3d83", "gigabytes_volume-type--1191136584": -1}}
2014-03-12 03:06:33.450 | 2014-03-12 02:55:37,104 Request: PUT http://127.0.0.1:8776/v1/aa7b1fdcddc444e4b2ffbd797dca7052/os-quota-sets/64a8d0b3103843b3a7eb42b69fcb3d83
2014-03-12 03:06:33.450 | 2014-03-12 02:55:37,104 Request Headers: {'Content-Type': 'application/json', 'Accept': 'application/json', 'X-Auth-Token': '<Token omitted>'}
2014-03-12 03:06:33.450 | 2014-03-12 02:55:37,104 Request Body: {"quota_set": {"gigabytes": 1009, "snapshots": 11, "volumes": 11}}
2014-03-12 03:06:33.450 | 2014-03-12 02:55:37,177 Response Status: 200
2014-03-12 03:06:33.450 | 2014-03-12 02:55:37,177 Nova/Cinder request id: req-1e6ca4b8-fe8f-4478-ba52-ea0cf5466ac5
2014-03-12 03:06:33.450 | 2014-03-12 02:55:37,177 Response Headers: {'content-length': '187', 'date': 'Wed, 12 Mar 2014 02:55:37 GMT', 'content-type': 'application/json', 'connection': 'close', 'x-openstack-request-id': 'req-1e6ca4b8-fe8f-4478-ba52-ea0cf5466ac5'}
2014-03-12 03:06:33.450 | 2014-03-12 02:55:37,178 Response Body: {"quota_set": {"snapshots_volume-type--1191136584": -1, "gigabytes": 1009, "snapshots": 11, "volumes_volume-type--1191136584": -1, "volumes": 11, "gigabytes_volume-type--1191136584": -1}}
2014-03-12 03:06:33.451 | }}}
2014-03-12 03:06:33.451 |
2014-03-12 03:06:33.451 | traceback-1: {{{
2014-03-12 03:06:33.451 | Traceback (most recent call last):
2014-03-12 03:06:33.451 | TypeError: update_quota_set() got an unexpected keyword argument 'snapshots_volume-type--1191136584'
2014-03-12 03:06:33.451 | }}}
2014-03-12 03:06:33.451 |
2014-03-12 03:06:33.452 | Traceback (most recent call last):
2014-03-12 03:06:33.452 | File "tempest/api/volume/admin/test_volume_quotas.py", line 67, in test_update_all_quota_resources_for_tenant
2014-03-12 03:06:33.452 | self.assertEqual(new_quota_set, quota_set)
2014-03-12 03:06:33.452 | File "/usr/local/lib/python2.7/dist-packages/testtools/testcase.py", line 321, in assertEqual
2014-03-12 03:06:33.452 | self.assertThat(observed, matcher, message)
2014-03-12 03:06:33.452 | File "/usr/local/lib/python2.7/dist-packages/testtools/testcase.py", line 406, in assertThat
2014-03-12 03:06:33.452 | raise mismatch_error
2014-03-12 03:06:33.453 | MismatchError: !=:
2014-03-12 03:06:33.453 | reference = {'gigabytes': 1009, 'snapshots': 11, 'volumes': 11}
2014-03-12 03:06:33.453 | actual = {u'gigabytes': 1009,
2014-03-12 03:06:33.453 | u'gigabytes_volume-type--1191136584': -1,
2014-03-12 03:06:33.453 | u'snapshots': 11,
2014-03-12 03:06:33.453 | u'snapshots_volume-type--1191136584': -1,
2014-03-12 03:06:33.453 | u'volumes': 11,
2014-03-12 03:06:33.454 | u'volumes_volume-type--1191136584': -1}
Hit this again -- see http://