Public bug reported: The functional test test_driver_spawn_fail_when_unshelving_instance fluctuates at the following place: Captured traceback: 2017-10-04 17:29:33.464455 | ~~~~~~~~~~~~~~~~~~~ 2017-10-04 17:29:33.464483 | b'Traceback (most recent call last):' 2017-10-04 17:29:33.464577 | b' File "/home/jenkins/workspace/gate-nova-tox-functional-py35-ubuntu-xenial/nova/tests/functional/test_servers.py", line 2664, in test_driver_spawn_fail_when_unshelving_instance' 2017-10-04 17:29:33.464618 | b" {'vcpus': 0, 'ram': 0, 'disk': 0}, usages)" 2017-10-04 17:29:33.464695 | b' File "/home/jenkins/workspace/gate-nova-tox-functional-py35-ubuntu-xenial/nova/tests/functional/test_servers.py", line 1117, in assertFlavorMatchesAllocation' 2017-10-04 17:29:33.464733 | b" self.assertEqual(flavor['vcpus'], allocation['VCPU'])" 2017-10-04 17:29:33.464816 | b' File "/home/jenkins/workspace/gate-nova-tox-functional-py35-ubuntu-xenial/.tox/functional-py35/lib/python3.5/site-packages/testtools/testcase.py", line 411, in assertEqual' 2017-10-04 17:29:33.464849 | b' self.assertThat(observed, matcher, message)' 2017-10-04 17:29:33.464931 | b' File "/home/jenkins/workspace/gate-nova-tox-functional-py35-ubuntu-xenial/.tox/functional-py35/lib/python3.5/site-packages/testtools/testcase.py", line 498, in assertThat' 2017-10-04 17:29:33.464953 | b' raise mismatch_error' 2017-10-04 17:29:33.464985 | b'testtools.matchers._impl.MismatchError: 0 != 1' 2017-10-04 17:29:33.464998 | b'' 2017-10-04 17:29:33.465008 |
It is because the test waits for the instance state to be set to SHELVED_OFFLOADED and then asserts that the allocation of the instance is deleted in Placement. But the compute/manager set the instance state _before_ it deletes that allocation so the test is racy. [1] http://logstash.openstack.org/#dashboard/file/logstash.json?query=message%3A%5C%22in%20test_driver_spawn_fail_when_unshelving_instance%5C%22 ** Affects: nova Importance: Undecided Assignee: Balazs Gibizer (balazs-gibizer) Status: New ** Tags: testing ** Changed in: nova Assignee: (unassigned) => Balazs Gibizer (balazs-gibizer) ** Description changed: The functional test test_driver_spawn_fail_when_unshelving_instance fluctuates at the following place: Captured traceback: 2017-10-04 17:29:33.464455 | ~~~~~~~~~~~~~~~~~~~ 2017-10-04 17:29:33.464483 | b'Traceback (most recent call last):' 2017-10-04 17:29:33.464577 | b' File "/home/jenkins/workspace/gate-nova-tox-functional-py35-ubuntu-xenial/nova/tests/functional/test_servers.py", line 2664, in test_driver_spawn_fail_when_unshelving_instance' 2017-10-04 17:29:33.464618 | b" {'vcpus': 0, 'ram': 0, 'disk': 0}, usages)" 2017-10-04 17:29:33.464695 | b' File "/home/jenkins/workspace/gate-nova-tox-functional-py35-ubuntu-xenial/nova/tests/functional/test_servers.py", line 1117, in assertFlavorMatchesAllocation' 2017-10-04 17:29:33.464733 | b" self.assertEqual(flavor['vcpus'], allocation['VCPU'])" 2017-10-04 17:29:33.464816 | b' File "/home/jenkins/workspace/gate-nova-tox-functional-py35-ubuntu-xenial/.tox/functional-py35/lib/python3.5/site-packages/testtools/testcase.py", line 411, in assertEqual' 2017-10-04 17:29:33.464849 | b' self.assertThat(observed, matcher, message)' 2017-10-04 17:29:33.464931 | b' File "/home/jenkins/workspace/gate-nova-tox-functional-py35-ubuntu-xenial/.tox/functional-py35/lib/python3.5/site-packages/testtools/testcase.py", line 498, in assertThat' 2017-10-04 17:29:33.464953 | b' raise mismatch_error' 2017-10-04 17:29:33.464985 | b'testtools.matchers._impl.MismatchError: 0 != 1' 2017-10-04 17:29:33.464998 | b'' 2017-10-04 17:29:33.465008 | It is because the test waits for the instance state to be set to - SHELVED_OFFLOADED but and then asserts that the allocation of the - instance is deleted in Placement. But the compute/manager set the - instance state _before_ it deletes that allocation so the test is racy. + SHELVED_OFFLOADED and then asserts that the allocation of the instance + is deleted in Placement. But the compute/manager set the instance state + _before_ it deletes that allocation so the test is racy. - - [1] http://logstash.openstack.org/#dashboard/file/logstash.json?query=message%3A%5C%22in%20test_driver_spawn_fail_when_unshelving_instance%5C%22 + [1] + http://logstash.openstack.org/#dashboard/file/logstash.json?query=message%3A%5C%22in%20test_driver_spawn_fail_when_unshelving_instance%5C%22 ** Tags added: testing -- You received this bug notification because you are a member of Yahoo! Engineering Team, which is subscribed to OpenStack Compute (nova). https://bugs.launchpad.net/bugs/1721514 Title: test_driver_spawn_fail_when_unshelving_instance fluctuates Status in OpenStack Compute (nova): New Bug description: The functional test test_driver_spawn_fail_when_unshelving_instance fluctuates at the following place: Captured traceback: 2017-10-04 17:29:33.464455 | ~~~~~~~~~~~~~~~~~~~ 2017-10-04 17:29:33.464483 | b'Traceback (most recent call last):' 2017-10-04 17:29:33.464577 | b' File "/home/jenkins/workspace/gate-nova-tox-functional-py35-ubuntu-xenial/nova/tests/functional/test_servers.py", line 2664, in test_driver_spawn_fail_when_unshelving_instance' 2017-10-04 17:29:33.464618 | b" {'vcpus': 0, 'ram': 0, 'disk': 0}, usages)" 2017-10-04 17:29:33.464695 | b' File "/home/jenkins/workspace/gate-nova-tox-functional-py35-ubuntu-xenial/nova/tests/functional/test_servers.py", line 1117, in assertFlavorMatchesAllocation' 2017-10-04 17:29:33.464733 | b" self.assertEqual(flavor['vcpus'], allocation['VCPU'])" 2017-10-04 17:29:33.464816 | b' File "/home/jenkins/workspace/gate-nova-tox-functional-py35-ubuntu-xenial/.tox/functional-py35/lib/python3.5/site-packages/testtools/testcase.py", line 411, in assertEqual' 2017-10-04 17:29:33.464849 | b' self.assertThat(observed, matcher, message)' 2017-10-04 17:29:33.464931 | b' File "/home/jenkins/workspace/gate-nova-tox-functional-py35-ubuntu-xenial/.tox/functional-py35/lib/python3.5/site-packages/testtools/testcase.py", line 498, in assertThat' 2017-10-04 17:29:33.464953 | b' raise mismatch_error' 2017-10-04 17:29:33.464985 | b'testtools.matchers._impl.MismatchError: 0 != 1' 2017-10-04 17:29:33.464998 | b'' 2017-10-04 17:29:33.465008 | It is because the test waits for the instance state to be set to SHELVED_OFFLOADED and then asserts that the allocation of the instance is deleted in Placement. But the compute/manager set the instance state _before_ it deletes that allocation so the test is racy. [1] http://logstash.openstack.org/#dashboard/file/logstash.json?query=message%3A%5C%22in%20test_driver_spawn_fail_when_unshelving_instance%5C%22 To manage notifications about this bug go to: https://bugs.launchpad.net/nova/+bug/1721514/+subscriptions -- Mailing list: https://launchpad.net/~yahoo-eng-team Post to : yahoo-eng-team@lists.launchpad.net Unsubscribe : https://launchpad.net/~yahoo-eng-team More help : https://help.launchpad.net/ListHelp