test_live_migration_with_trunk fails intermittently

[Balazs Gibizer]

The recently merged test_live_migration_with_trunk [1] test case seems to be unstable. It failed 84 times since it was merged[2].

See an example faiure in [3].

2021-04-15 08:42:11.382920 | controller |
2021-04-15 08:42:11.382943 | controller | Captured traceback:
2021-04-15 08:42:11.382964 | controller | ~~~~~~~~~~~~~~~~~~~
2021-04-15 08:42:11.382983 | controller | Traceback (most recent call last):
2021-04-15 08:42:11.383012 | controller |
2021-04-15 08:42:11.383032 | controller | File "/opt/stack/tempest/tempest/common/utils/__init__.py", line 89, in wrapper
2021-04-15 08:42:11.383052 | controller | return func(*func_args, **func_kwargs)
2021-04-15 08:42:11.383071 | controller |
2021-04-15 08:42:11.383096 | controller | File "/opt/stack/tempest/tempest/common/utils/__init__.py", line 70, in wrapper
2021-04-15 08:42:11.383117 | controller | return f(*func_args, **func_kwargs)
2021-04-15 08:42:11.383136 | controller |
2021-04-15 08:42:11.383156 | controller | File "/opt/stack/tempest/tempest/api/compute/admin/test_live_migration.py", line 284, in test_live_migration_with_trunk
2021-04-15 08:42:11.383191 | controller | self.assertEqual('ACTIVE', parent['status'])
2021-04-15 08:42:11.383212 | controller |
2021-04-15 08:42:11.383231 | controller | File "/opt/stack/tempest/.tox/tempest/lib/python3.8/site-packages/testtools/testcase.py", line 415, in assertEqual
2021-04-15 08:42:11.383250 | controller | self.assertThat(observed, matcher, message)
2021-04-15 08:42:11.383269 | controller |
2021-04-15 08:42:11.383289 | controller | File "/opt/stack/tempest/.tox/tempest/lib/python3.8/site-packages/testtools/testcase.py", line 502, in assertThat
2021-04-15 08:42:11.383313 | controller | raise mismatch_error
2021-04-15 08:42:11.383351 | controller |
2021-04-15 08:42:11.383371 | controller | testtools.matchers._impl.MismatchError: 'ACTIVE' != 'DOWN'
2021-04-15 08:42:11.383391 | controller |

[1] https://review.opendev.org/c/openstack/tempest/+/774689
[2] http://logstash.openstack.org/#dashboard/file/logstash.json?query=message%3A%5C%22in%20test_live_migration_with_trunk%5C%22
[3] https://7c0b724b0ddcf96ebb58-1f01c4de10139c366cbd7ac49c7ab3d8.ssl.cf2.rackcdn.com/777155/4/check/nova-live-migration/e365094/job-output.txt

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.opendev.org/c/openstack/tempest/+/786465

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.opendev.org/c/openstack/tempest/+/786465
Committed: https://opendev.org/openstack/tempest/commit/5c1068488ee3a0204bf1155b0a4bd45b89fddae4
Submitter: "Zuul (22348)"
Branch: master

commit 5c1068488ee3a0204bf1155b0a4bd45b89fddae4
Author: elajkat <email address hidden>
Date: Thu Apr 15 17:45:34 2021 +0200

    Add waiter for test_live_migration_with_trunk

    Add waiter for parent_port status check

    Change-Id: Ia2b292d0e8bca016b8c81b2a41c35536a8a959bd
    Closes-Bug: #1924258

[OpenStack Infra (hudson-openstack)]

This issue was fixed in the openstack/tempest train-last release.