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[Cristian Le <1943778@xxxxxxxxxxxxxxxxxx>]

** Also affects: tripleo
   Importance: Undecided
       Status: New

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https://bugs.launchpad.net/bugs/1943778

Title:
  No db access allowed in nova-compute:

Status in OpenStack Compute (nova):
  In Progress
Status in tripleo:
  New

Bug description:
  [root@controller ~]# cat /etc/redhat-release
  CentOS Linux release 8.4.2105

  version:
        openstack-v

  Nova log does not continue to output now. I wonder if it is normal?
  nova-compute.log:
  2021-09-16 10:03:47.613 8421 INFO nova.virt.vmwareapi.driver [req-c92bd574-1257-4c64-bd1f-a28a09a6c337 - - - - -] VMware vCenter version: 7.0.2
  2021-09-16 10:03:51.152 8421 INFO nova.compute.provider_config [req-c92bd574-1257-4c64-bd1f-a28a09a6c337 - - - - -] No provider configs found in /etc/nova/provider_config/. If files are present, ensure the Nova process has access.
  2021-09-16 10:03:51.183 8421 ERROR nova.cmd.common [req-ea168173-cff4-478b-b172-e9a80b2b9fb7 - - - - -] No db access allowed in nova-compute:   File "/usr/bin/nova-compute", line 10, in <module>
      sys.exit(main())
    File "/usr/lib/python3.6/site-packages/nova/cmd/compute.py", line 59, in main
      topic=compute_rpcapi.RPC_TOPIC)
    File "/usr/lib/python3.6/site-packages/nova/service.py", line 265, in create
      utils.raise_if_old_compute()
    File "/usr/lib/python3.6/site-packages/nova/utils.py", line 1069, in raise_if_old_compute
      ctxt, ['nova-compute'])
    File "/usr/lib/python3.6/site-packages/nova/objects/service.py", line 554, in get_minimum_version_all_cells
      binaries)
    File "/usr/lib/python3.6/site-packages/nova/context.py", line 545, in scatter_gather_all_cells
      fn, *args, **kwargs)
    File "/usr/lib/python3.6/site-packages/nova/context.py", line 433, in scatter_gather_cells
      with target_cell(context, cell_mapping) as cctxt:
    File "/usr/lib64/python3.6/contextlib.py", line 81, in __enter__
      return next(self.gen)
    File "/usr/lib/python3.6/site-packages/nova/context.py", line 393, in target_cell
      set_target_cell(cctxt, cell_mapping)
    File "/usr/lib/python3.6/site-packages/nova/context.py", line 366, in set_target_cell
      get_or_set_cached_cell_and_set_connections()
    File "/usr/lib/python3.6/site-packages/oslo_concurrency/lockutils.py", line 360, in inner
      return f(*args, **kwargs)
    File "/usr/lib/python3.6/site-packages/nova/context.py", line 354, in get_or_set_cached_cell_and_set_connections
      db_connection_string)
    File "/usr/lib/python3.6/site-packages/nova/db/api.py", line 79, in create_context_manager
      return IMPL.create_context_manager(connection=connection)
    File "/usr/lib/python3.6/site-packages/nova/cmd/common.py", line 44, in __call__
      stacktrace = "".join(traceback.format_stack())

  2021-09-16 10:03:51.184 8421 WARNING nova.utils [req-ea168173-cff4-478b-b172-e9a80b2b9fb7 - - - - -] This service is configured for access to the API database but is not allowed to directly access the database. You should run this service without the [api_database]/connection config option. The service version check will only query the local cell.: nova.exception.DBNotAllowed: nova-compute attempted direct database access which is not allowed by policy
  2021-09-16 10:03:51.196 8421 WARNING oslo_config.cfg [req-ea168173-cff4-478b-b172-e9a80b2b9fb7 - - - - -] Deprecated: Option "auth_strategy" from group "api" is deprecated for removal (
  The only non-default choice, ``noauth2``, is for internal development and
  testing purposes only and should not be used in deployments. This option and
  its middleware, NoAuthMiddleware[V2_18], will be removed in a future release.
  ).  Its value may be silently ignored in the future.
  2021-09-16 10:03:51.199 8421 WARNING oslo_config.cfg [req-ea168173-cff4-478b-b172-e9a80b2b9fb7 - - - - -] Deprecated: Option "api_servers" from group "glance" is deprecated for removal (
  Support for image service configuration via standard keystoneauth1 Adapter
  options was added in the 17.0.0 Queens release. The api_servers option was
  retained temporarily to allow consumers time to cut over to a real load
  balancing solution.
  ).  Its value may be silently ignored in the future.
  2021-09-16 10:03:51.214 8421 INFO nova.service [-] Starting compute node (version 22.2.2-1.el8)
  2021-09-16 10:03:51.279 8421 INFO nova.compute.manager [req-873204ac-6c81-49e2-8bb0-90aae7c73c43 - - - - -] Looking for unclaimed instances stuck in BUILDING status for nodes managed by this host

  [root@controller ~]# openstack compute service list
  +----+----------------+------------+----------+---------+-------+----------------------------+
  | ID | Binary         | Host       | Zone     | Status  | State | Updated At                 |
  +----+----------------+------------+----------+---------+-------+----------------------------+
  |  4 | nova-conductor | controller | internal | enabled | up    | 2021-09-16T02:01:16.000000 |
  |  6 | nova-scheduler | controller | internal | enabled | up    | 2021-09-16T02:01:16.000000 |
  |  8 | nova-compute   | controller | nova     | enabled | up    | 2021-09-16T02:01:22.000000 |
  +----+----------------+------------+----------+---------+-------+----------------------------+


  
  [root@controller ~]# mysql -unova -pNOVA_DBPASS -b "nova_api" -h controller -e "show databases;"
  +--------------------+
  | Database           |
  +--------------------+
  | information_schema |
  | nova               |
  | nova_api           |
  | nova_cell0         |
  +--------------------+

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