intermittent session persistence scenario test failure

[Brandon Logan]

2016-02-04 01:31:46.433 | 2016-02-04 01:31:46.411 | Captured traceback:
2016-02-04 01:31:46.441 | 2016-02-04 01:31:46.425 | ~~~~~~~~~~~~~~~~~~~
2016-02-04 01:31:46.461 | 2016-02-04 01:31:46.444 | Traceback (most recent call last):
2016-02-04 01:31:46.479 | 2016-02-04 01:31:46.463 | File "neutron_lbaas/tests/tempest/lib/test.py", line 126, in wrapper
2016-02-04 01:31:46.491 | 2016-02-04 01:31:46.470 | return f(self, *func_args, **func_kwargs)
2016-02-04 01:31:46.511 | 2016-02-04 01:31:46.492 | File "neutron_lbaas/tests/tempest/v2/scenario/test_session_persistence.py", line 49, in test_session_persistence
2016-02-04 01:31:46.525 | 2016-02-04 01:31:46.508 | self._check_cookie_session_persistence()
2016-02-04 01:31:46.542 | 2016-02-04 01:31:46.523 | File "neutron_lbaas/tests/tempest/v2/scenario/base.py", line 587, in _check_cookie_session_persistence
2016-02-04 01:31:46.546 | 2016-02-04 01:31:46.528 | self.assertEqual(len(set(resp)), 1, message=resp)
2016-02-04 01:31:46.569 | 2016-02-04 01:31:46.537 | File "/usr/local/lib/python2.7/dist-packages/testtools/testcase.py", line 362, in assertEqual
2016-02-04 01:31:46.577 | 2016-02-04 01:31:46.560 | self.assertThat(observed, matcher, message)
2016-02-04 01:31:46.585 | 2016-02-04 01:31:46.567 | File "/usr/local/lib/python2.7/dist-packages/testtools/testcase.py", line 447, in assertThat
2016-02-04 01:31:46.591 | 2016-02-04 01:31:46.575 | raise mismatch_error
2016-02-04 01:31:46.595 | 2016-02-04 01:31:46.579 | testtools.matchers._impl.MismatchError: 2 != 1: ['server1', 'server1', 'server1', 'server1', 'server1', 'server1', 'server2', 'server1', 'server1', 'server1']
2016-02-04 01:31:46.601 | 2016-02-04 01:31:46.584 |
2016-02-04 01:31:46.606 | 2016-02-04 01:31:46.590 | Slowest Tests
2016-02-04 01:31:46.611 | 2016-02-04 01:31:46.595 | Test id Runtime (s)
2016-02-04 01:31:46.614 | 2016-02-04 01:31:46.597 | ---------------------------------------------------------------------------------------------------------------------------------- -----------
2016-02-04 01:31:46.619 | 2016-02-04 01:31:46.602 | neutron_lbaas.tests.tempest.v2.scenario.test_listener_basic.TestListenerBasic.test_listener_basic[compute,network] 674.015
2016-02-04 01:31:46.629 | 2016-02-04 01:31:46.612 | neutron_lbaas.tests.tempest.v2.scenario.test_healthmonitor_basic.TestHealthMonitorBasic.test_health_monitor_basic[compute,network] 671.248
2016-02-04 01:31:46.632 | 2016-02-04 01:31:46.615 | neutron_lbaas.tests.tempest.v2.scenario.test_load_balancer_basic.TestLoadBalancerBasic.test_load_balancer_basic[compute,network] 604.250
2016-02-04 01:31:46.634 | 2016-02-04 01:31:46.618 | neutron_lbaas.tests.tempest.v2.scenario.test_session_persistence.TestSessionPersistence.test_session_persistence[compute,network] 568.374
2016-02-04 01:31:46.637 | 2016-02-04 01:31:46.620 |
2016-02-04 01:31:46.640 | 2016-02-04 01:31:46.623 | ==============================
2016-02-04 01:31:46.646 | 2016-02-04 01:31:46.628 | Failed 1 tests - output below:
2016-02-04 01:31:46.656 | 2016-02-04 01:31:46.639 | ==============================
2016-02-04 01:31:46.662 | 2016-02-04 01:31:46.646 |
2016-02-04 01:31:46.664 | 2016-02-04 01:31:46.648 | neutron_lbaas.tests.tempest.v2.scenario.test_session_persistence.TestSessionPersistence.test_session_persistence[compute,network]
2016-02-04 01:31:46.669 | 2016-02-04 01:31:46.651 | ---------------------------------------------------------------------------------------------------------------------------------

[Adam Harwell (adam-harwell)]

Saw a new traceback for this after the amp update patch https://review.openstack.org/#/c/277602/ :

https://gist.github.com/rm-you/9cbd07113e7c63a375c9
This may have changed slightly as that bug could have been masking a real (or just different) issue.

[OpenStack Infra (hudson-openstack)]

Change abandoned by Michael Johnson (<email address hidden>) on branch: master
Review: https://review.openstack.org/305512
Reason: Being addressed in other patches: https://review.openstack.org/#/c/386544/5

[Michael Johnson (johnsom)]

Closing as this seems to have been resolved. We have not seen this issue in some time.

[OpenStack Infra (hudson-openstack)]

Change abandoned by Michael Johnson (<email address hidden>) on branch: master
Review: https://review.openstack.org/278874