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[yatin <2045785@xxxxxxxxxxxxxxxxxx>]

Public bug reported:

test_unshelve_to_specific_host fails randomly at _shelve_offload_then_unshelve_to_host otherhost like:-
Traceback (most recent call last):
  File "/opt/stack/tempest/tempest/api/compute/admin/test_servers_on_multinodes.py", line 178, in test_unshelve_to_specific_host
    self.assertEqual(otherhost, self.get_host_for_server(server['id']))
  File "/opt/stack/tempest/.tox/tempest/lib/python3.10/site-packages/testtools/testcase.py", line 394, in assertEqual
    self.assertThat(observed, matcher, message)
  File "/opt/stack/tempest/.tox/tempest/lib/python3.10/site-packages/testtools/testcase.py", line 481, in assertThat
    raise mismatch_error
testtools.matchers._impl.MismatchError: 'np0035920758' != None

The operations seems to succeed on the destination host but still the
check fails as server show don't have the expected host set.

Some failure builds:-
https://402b9b635a0653670c41-889023abcee881d48f07f1c8f07a15d7.ssl.cf1.rackcdn.com/901474/4/check/neutron-ovs-tempest-multinode-full/03ca936/testr_results.html
https://67fbdc27dc1cab269631-9795c6ee70a51795a4d498c996d13136.ssl.cf5.rackcdn.com/901478/2/gate/neutron-ovs-tempest-multinode-full/e661940/testr_results.html
https://storage.gra.cloud.ovh.net/v1/AUTH_dcaab5e32b234d56b626f72581e3644c/zuul_opendev_logs_59c/884711/9/check/neutron-ovs-tempest-dvr-ha-multinode-full/59c1ef4/testr_results.html
https://85bf7a1c249d0971baf7-33c96ff533edc27f55461123fdf39567.ssl.cf5.rackcdn.com/884407/9/check/neutron-ovs-tempest-multinode-full/07522b9/testr_results.html

Opensearch(creds: openstack/openstack):-
https://opensearch.logs.openstack.org/_dashboards/app/discover/?security_tenant=global#/?_g=(filters:!(),refreshInterval:(pause:!t,value:0),time:(from:now-30d,to:now))&_a=(columns:!(_source),filters:!(),index:'94869730-aea8-11ec-9e6a-83741af3fdcd',interval:auto,query:(language:kuery,query:'message:%22line%20178,%20in%20test_unshelve_to_specific_host%22'),sort:!())

** Affects: nova
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/2045785

Title:
  test_unshelve_to_specific_host fails randomly at
  _shelve_offload_then_unshelve_to_host otherhost

Status in OpenStack Compute (nova):
  New

Bug description:
  test_unshelve_to_specific_host fails randomly at _shelve_offload_then_unshelve_to_host otherhost like:-
  Traceback (most recent call last):
    File "/opt/stack/tempest/tempest/api/compute/admin/test_servers_on_multinodes.py", line 178, in test_unshelve_to_specific_host
      self.assertEqual(otherhost, self.get_host_for_server(server['id']))
    File "/opt/stack/tempest/.tox/tempest/lib/python3.10/site-packages/testtools/testcase.py", line 394, in assertEqual
      self.assertThat(observed, matcher, message)
    File "/opt/stack/tempest/.tox/tempest/lib/python3.10/site-packages/testtools/testcase.py", line 481, in assertThat
      raise mismatch_error
  testtools.matchers._impl.MismatchError: 'np0035920758' != None

  The operations seems to succeed on the destination host but still the
  check fails as server show don't have the expected host set.

  Some failure builds:-
  https://402b9b635a0653670c41-889023abcee881d48f07f1c8f07a15d7.ssl.cf1.rackcdn.com/901474/4/check/neutron-ovs-tempest-multinode-full/03ca936/testr_results.html
  https://67fbdc27dc1cab269631-9795c6ee70a51795a4d498c996d13136.ssl.cf5.rackcdn.com/901478/2/gate/neutron-ovs-tempest-multinode-full/e661940/testr_results.html
  https://storage.gra.cloud.ovh.net/v1/AUTH_dcaab5e32b234d56b626f72581e3644c/zuul_opendev_logs_59c/884711/9/check/neutron-ovs-tempest-dvr-ha-multinode-full/59c1ef4/testr_results.html
  https://85bf7a1c249d0971baf7-33c96ff533edc27f55461123fdf39567.ssl.cf5.rackcdn.com/884407/9/check/neutron-ovs-tempest-multinode-full/07522b9/testr_results.html

  Opensearch(creds: openstack/openstack):-
  https://opensearch.logs.openstack.org/_dashboards/app/discover/?security_tenant=global#/?_g=(filters:!(),refreshInterval:(pause:!t,value:0),time:(from:now-30d,to:now))&_a=(columns:!(_source),filters:!(),index:'94869730-aea8-11ec-9e6a-83741af3fdcd',interval:auto,query:(language:kuery,query:'message:%22line%20178,%20in%20test_unshelve_to_specific_host%22'),sort:!())

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