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[Rodolfo Alonso <2093258@xxxxxxxxxxxxxxxxxx>]

I've reviewed the CI logs [1] provided. The DB backend is postgresql and
it is no longer supported in Neutron (and many other projects in
OpenStack). This is why the change in [2] and the DB backend is causing
this error.

Please swap to MySQL/MariaDB.

[1]https://zuul.opendev.org/t/openstack/build/a5bd3cbd0212488f8ed9fda58bb82f87/logs
[2]https://review.opendev.org/c/openstack/neutron/+/934171/4/neutron/services/tag/tag_plugin.py


** Changed in: neutron
       Status: New => Won't Fix

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https://bugs.launchpad.net/bugs/2093258

Title:
  HTTP500 returned on get ports due to AttributeError when extracting
  tags

Status in neutron:
  Won't Fix

Bug description:
  Observed in Manila CI
  https://zuul.opendev.org/t/openstack/build/a5bd3cbd0212488f8ed9fda58bb82f87

  nova call of GET /servers/<uuid> failed due to Neutron call from nova to neutron failed with the following (relevant) traceback in the log
  ```
  Jan 08 11:22:23.584731 np0039510017 neutron-server[71609]: ERROR neutron.pecan_wsgi.hooks.translation   File "/opt/stack/neutron/neutron/db/db_base_plugin_v2.py", line 1682, in get_ports

  Jan 08 11:22:23.584731 np0039510017 neutron-server[71609]: ERROR
  neutron.pecan_wsgi.hooks.translation     items =
  [self._make_port_dict(c, fields, bulk=True) for c in query]

  Jan 08 11:22:23.584731 np0039510017 neutron-server[71609]: ERROR
  neutron.pecan_wsgi.hooks.translation   File
  "/opt/stack/neutron/neutron/db/db_base_plugin_v2.py", line 1682, in
  <listcomp>

  Jan 08 11:22:23.584731 np0039510017 neutron-server[71609]: ERROR
  neutron.pecan_wsgi.hooks.translation     items =
  [self._make_port_dict(c, fields, bulk=True) for c in query]

  Jan 08 11:22:23.584731 np0039510017 neutron-server[71609]: ERROR
  neutron.pecan_wsgi.hooks.translation   File
  "/opt/stack/neutron/neutron/db/db_base_plugin_common.py", line 257, in
  _make_port_dict

  Jan 08 11:22:23.584731 np0039510017 neutron-server[71609]: ERROR
  neutron.pecan_wsgi.hooks.translation     resource_extend.apply_funcs(

  Jan 08 11:22:23.584731 np0039510017 neutron-server[71609]: ERROR
  neutron.pecan_wsgi.hooks.translation   File
  "/opt/stack/data/venv/lib/python3.10/site-
  packages/oslo_utils/timeutils.py", line 323, in wrapper

  Jan 08 11:22:23.584731 np0039510017 neutron-server[71609]: ERROR
  neutron.pecan_wsgi.hooks.translation     result = func(*args,
  **kwargs)

  Jan 08 11:22:23.584731 np0039510017 neutron-server[71609]: ERROR
  neutron.pecan_wsgi.hooks.translation   File
  "/opt/stack/data/venv/lib/python3.10/site-
  packages/neutron_lib/db/resource_extend.py", line 91, in apply_funcs

  Jan 08 11:22:23.584731 np0039510017 neutron-server[71609]: ERROR
  neutron.pecan_wsgi.hooks.translation     resolved_func(response,
  db_object)

  Jan 08 11:22:23.584731 np0039510017 neutron-server[71609]: ERROR
  neutron.pecan_wsgi.hooks.translation   File
  "/opt/stack/neutron/neutron/services/tag/tag_plugin.py", line 54, in
  _extend_tags_dict

  Jan 08 11:22:23.584731 np0039510017 neutron-server[71609]: ERROR
  neutron.pecan_wsgi.hooks.translation     tag_db.tag for tag_db in
  db_data.standard_attr.tags

  Jan 08 11:22:23.584731 np0039510017 neutron-server[71609]: ERROR
  neutron.pecan_wsgi.hooks.translation AttributeError: 'NoneType' object
  has no attribute 'tags'

  Jan 08 11:22:23.584731 np0039510017 neutron-server[71609]: ERROR
  neutron.pecan_wsgi.hooks.translation

  Jan 08 11:22:23.584731 np0039510017 neutron-server[71609]: INFO neutron.api.wsgi [req-c75cc024-5d56-4c07-b3b9-21311a8c3bb3 req-da3c34fb-4fbd-4ee5-9e99-04abf8c32479 tempest-ShareManageUnmanageNFS-1913085872 tempest-ShareManageUnmanageNFS-1913085872-project-member] 213.32.74.253,213.32.74.253 "GET /networking/v2.0/ports?device_id=f27bdfcc-4873-4eaf-8372-0ecf7cbcef10 HTTP/1.1" status: 500  len: 368 time: 0.0610847
  ```

  looks sporadic, and may be hides some other issue..

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