Public bug reported:
Hi,
Rebuilding Nova under Debian Sid, I get this unit test having flacky
results:
nova.tests.unit.compute.test_compute.ComputeTestCase.test_add_remove_fixed_ip_updates_instance_updated_at
It failed on my once with this output (see below), and then a 2nd
rebuild made it pass. I'm therefore blacklisting this unit test in my
Debian package to avoid failures.
Cheers,
Thomas
FAIL:
nova.tests.unit.compute.test_compute.ComputeTestCase.test_add_remove_fixed_ip_updates_instance_updated_at
nova.tests.unit.compute.test_compute.ComputeTestCase.test_add_remove_fixed_ip_updates_instance_updated_at
----------------------------------------------------------------------
testtools.testresult.real._StringException: pythonlogging:'': {{{
2025-08-21 07:46:57,202 WARNING [oslo_policy.policy] JSON formatted policy_file
support is deprecated since Victoria release. You need to use YAML format which
will be default in future. You can use ``oslopolicy-convert-json-to-yaml`` tool
to convert existing JSON-formatted policy file to YAML-formatted in backward
compatible way:
https://docs.openstack.org/oslo.policy/latest/cli/oslopolicy-convert-json-to-yaml.html.
2025-08-21 07:46:57,202 WARNING [oslo_policy.policy] JSON formatted policy_file
support is deprecated since Victoria release. You need to use YAML format which
will be default in future. You can use ``oslopolicy-convert-json-to-yaml`` tool
to convert existing JSON-formatted policy file to YAML-formatted in backward
compatible way:
https://docs.openstack.org/oslo.policy/latest/cli/oslopolicy-convert-json-to-yaml.html.
2025-08-21 07:46:57,203 WARNING [oslo_policy.policy] Policy Rules
['os_compute_api:extensions', 'os_compute_api:os-floating-ip-pools',
'os_compute_api:os-quota-sets:defaults',
'os_compute_api:os-availability-zone:list', 'os_compute_api:limits',
'project_member_api', 'project_reader_api', 'project_member_or_admin',
'project_reader_or_admin', 'os_compute_api:limits:other_project',
'os_compute_api:os-lock-server:unlock:unlock_override',
'os_compute_api:servers:create:zero_disk_flavor',
'compute:servers:resize:cross_cell',
'os_compute_api:os-shelve:unshelve_to_host'] specified in policy files are the
same as the defaults provided by the service. You can remove these rules from
policy files which will make maintenance easier. You can detect these redundant
rules by ``oslopolicy-list-redundant`` tool also.
2025-08-21 07:46:57,207 INFO [nova.virt.driver] Loading compute driver
'fake.SmallFakeDriver'
2025-08-21 07:46:57,207 INFO [nova.compute.provider_config] No provider configs
found in /etc/nova/provider_config/. If files are present, ensure the Nova
process has access.
2025-08-21 07:46:57,209 INFO [nova.compute.provider_config] No provider configs
found in /etc/nova/provider_config/. If files are present, ensure the Nova
process has access.
2025-08-21 07:46:57,210 WARNING [nova.compute.manager] Found orphan compute
node 2 hypervisor host is fake_phyp1, nodes are {'fakenode1', 'fakenode2'}. We
are not deleting this as the driver says this node has not been deleted.
2025-08-21 07:46:57,213 WARNING [nova.compute.resource_tracker] No compute node
record for fake-mini:4eb71eba-9838-469c-8c50-388d20871d22
2025-08-21 07:46:57,215 INFO [nova.compute.resource_tracker] Compute node
record created for fake-mini:fakenode1 with uuid:
4eb71eba-9838-469c-8c50-388d20871d22
2025-08-21 07:46:57,232 WARNING [nova.compute.resource_tracker] No compute node
record for fake-mini:6579dfd8-2ca4-4bc7-9e41-9a76db4b2839
2025-08-21 07:46:57,233 INFO [nova.compute.resource_tracker] Compute node
record created for fake-mini:fakenode2 with uuid:
6579dfd8-2ca4-4bc7-9e41-9a76db4b2839
}}}
Traceback (most recent call last):
File
"/build/reproducible-path/nova-31.0.0/nova/tests/unit/compute/test_compute.py",
line 8466, in test_add_remove_fixed_ip_updates_instance_updated_at
self.assertEqual(len(updated_ats), len(set(updated_ats)))
~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib/python3/dist-packages/testtools/testcase.py", line 419, in
assertEqual
self.assertThat(observed, matcher, message)
~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib/python3/dist-packages/testtools/testcase.py", line 509, in
assertThat
raise mismatch_error
testtools.matchers._impl.MismatchError: 3 != 2
** Affects: nova
Importance: Undecided
Status: New
--
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/2121125
Title:
non-deterministic test
Status in OpenStack Compute (nova):
New
Bug description:
Hi,
Rebuilding Nova under Debian Sid, I get this unit test having flacky
results:
nova.tests.unit.compute.test_compute.ComputeTestCase.test_add_remove_fixed_ip_updates_instance_updated_at
It failed on my once with this output (see below), and then a 2nd
rebuild made it pass. I'm therefore blacklisting this unit test in my
Debian package to avoid failures.
Cheers,
Thomas
FAIL:
nova.tests.unit.compute.test_compute.ComputeTestCase.test_add_remove_fixed_ip_updates_instance_updated_at
nova.tests.unit.compute.test_compute.ComputeTestCase.test_add_remove_fixed_ip_updates_instance_updated_at
----------------------------------------------------------------------
testtools.testresult.real._StringException: pythonlogging:'': {{{
2025-08-21 07:46:57,202 WARNING [oslo_policy.policy] JSON formatted
policy_file support is deprecated since Victoria release. You need to use YAML
format which will be default in future. You can use
``oslopolicy-convert-json-to-yaml`` tool to convert existing JSON-formatted
policy file to YAML-formatted in backward compatible way:
https://docs.openstack.org/oslo.policy/latest/cli/oslopolicy-convert-json-to-yaml.html.
2025-08-21 07:46:57,202 WARNING [oslo_policy.policy] JSON formatted
policy_file support is deprecated since Victoria release. You need to use YAML
format which will be default in future. You can use
``oslopolicy-convert-json-to-yaml`` tool to convert existing JSON-formatted
policy file to YAML-formatted in backward compatible way:
https://docs.openstack.org/oslo.policy/latest/cli/oslopolicy-convert-json-to-yaml.html.
2025-08-21 07:46:57,203 WARNING [oslo_policy.policy] Policy Rules
['os_compute_api:extensions', 'os_compute_api:os-floating-ip-pools',
'os_compute_api:os-quota-sets:defaults',
'os_compute_api:os-availability-zone:list', 'os_compute_api:limits',
'project_member_api', 'project_reader_api', 'project_member_or_admin',
'project_reader_or_admin', 'os_compute_api:limits:other_project',
'os_compute_api:os-lock-server:unlock:unlock_override',
'os_compute_api:servers:create:zero_disk_flavor',
'compute:servers:resize:cross_cell',
'os_compute_api:os-shelve:unshelve_to_host'] specified in policy files are the
same as the defaults provided by the service. You can remove these rules from
policy files which will make maintenance easier. You can detect these redundant
rules by ``oslopolicy-list-redundant`` tool also.
2025-08-21 07:46:57,207 INFO [nova.virt.driver] Loading compute driver
'fake.SmallFakeDriver'
2025-08-21 07:46:57,207 INFO [nova.compute.provider_config] No provider
configs found in /etc/nova/provider_config/. If files are present, ensure the
Nova process has access.
2025-08-21 07:46:57,209 INFO [nova.compute.provider_config] No provider
configs found in /etc/nova/provider_config/. If files are present, ensure the
Nova process has access.
2025-08-21 07:46:57,210 WARNING [nova.compute.manager] Found orphan compute
node 2 hypervisor host is fake_phyp1, nodes are {'fakenode1', 'fakenode2'}. We
are not deleting this as the driver says this node has not been deleted.
2025-08-21 07:46:57,213 WARNING [nova.compute.resource_tracker] No compute
node record for fake-mini:4eb71eba-9838-469c-8c50-388d20871d22
2025-08-21 07:46:57,215 INFO [nova.compute.resource_tracker] Compute node
record created for fake-mini:fakenode1 with uuid:
4eb71eba-9838-469c-8c50-388d20871d22
2025-08-21 07:46:57,232 WARNING [nova.compute.resource_tracker] No compute
node record for fake-mini:6579dfd8-2ca4-4bc7-9e41-9a76db4b2839
2025-08-21 07:46:57,233 INFO [nova.compute.resource_tracker] Compute node
record created for fake-mini:fakenode2 with uuid:
6579dfd8-2ca4-4bc7-9e41-9a76db4b2839
}}}
Traceback (most recent call last):
File
"/build/reproducible-path/nova-31.0.0/nova/tests/unit/compute/test_compute.py",
line 8466, in test_add_remove_fixed_ip_updates_instance_updated_at
self.assertEqual(len(updated_ats), len(set(updated_ats)))
~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib/python3/dist-packages/testtools/testcase.py", line 419, in
assertEqual
self.assertThat(observed, matcher, message)
~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib/python3/dist-packages/testtools/testcase.py", line 509, in
assertThat
raise mismatch_error
testtools.matchers._impl.MismatchError: 3 != 2
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