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[Bug 2114190] [NEW] [whitebox-neutron-tempest-plugin] ``test_only_dropped_traffic_logged`` test failing with the WSGI Neutron API migration

 

Public bug reported:

Since [1], Neutron API runs only with WSGI module (the only available one). This change implied the segregation of the services previously running under the same service. Namely:
* Neutron API: the HTTP calls to the Neutron database.
* OVN maintenance worker.
* RPC worker.
* Periodic worker.

Now all these services are independent processes.

In the test ``test_only_dropped_traffic_logged`` we are creating a log
resource, then changing the ``burst_limit`` and ``rate_limit`` values
and restarting the Neutron API (in a devstack environment). Then we
expect the OVN maintenance task to update the NB ``meter-band``
registers. Now, the service that needs to be restarted is "ovn-
maintenance-worker".

[1]https://review.opendev.org/c/openstack/devstack/+/932203

** Affects: neutron
     Importance: Undecided
         Status: New

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Title:
  [whitebox-neutron-tempest-plugin] ``test_only_dropped_traffic_logged``
  test failing with the WSGI Neutron API migration

Status in neutron:
  New

Bug description:
  Since [1], Neutron API runs only with WSGI module (the only available one). This change implied the segregation of the services previously running under the same service. Namely:
  * Neutron API: the HTTP calls to the Neutron database.
  * OVN maintenance worker.
  * RPC worker.
  * Periodic worker.

  Now all these services are independent processes.

  In the test ``test_only_dropped_traffic_logged`` we are creating a log
  resource, then changing the ``burst_limit`` and ``rate_limit`` values
  and restarting the Neutron API (in a devstack environment). Then we
  expect the OVN maintenance task to update the NB ``meter-band``
  registers. Now, the service that needs to be restarted is "ovn-
  maintenance-worker".

  [1]https://review.opendev.org/c/openstack/devstack/+/932203

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