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[Bug 1898842] [NEW] [OVN][QoS] "qos-fip" extension always loaded even without ML2 "qos", error while processing extensions

 

Public bug reported:

Since [1][2], QoS is implemented for OVN. If ML2 QoS service plugin is
not loaded, OVN L3 QoS extension should not be loaded neither.

As reported in [3], without the ML2 QoS driver loaded [4], the "qos-fip"
extension fails during the initialization: the driver is loaded but the
extension is not supported by any plugin, raising an exception [5].

[1]https://review.opendev.org/#/c/722415/
[2]https://bugs.launchpad.net/neutron/+bug/1877408
[3]https://zuul.opendev.org/t/openstack/build/2e85321c072f4deebc456b75bda0fbf4/log/controller/logs/screen-q-svc.txt#551
[4]https://storage.gra.cloud.ovh.net/v1/AUTH_dcaab5e32b234d56b626f72581e3644c/zuul_opendev_logs_4ee/755726/4/check/kuryr-kubernetes-tempest-containerized-ovn/4ee7612/controller/logs/local_conf.txt
[5]http://paste.openstack.org/show/798773/

** Affects: neutron
     Importance: Undecided
     Assignee: Rodolfo Alonso (rodolfo-alonso-hernandez)
         Status: New

** Changed in: neutron
     Assignee: (unassigned) => Rodolfo Alonso (rodolfo-alonso-hernandez)

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https://bugs.launchpad.net/bugs/1898842

Title:
  [OVN][QoS] "qos-fip" extension always loaded even without ML2 "qos",
  error while processing extensions

Status in neutron:
  New

Bug description:
  Since [1][2], QoS is implemented for OVN. If ML2 QoS service plugin is
  not loaded, OVN L3 QoS extension should not be loaded neither.

  As reported in [3], without the ML2 QoS driver loaded [4], the "qos-
  fip" extension fails during the initialization: the driver is loaded
  but the extension is not supported by any plugin, raising an exception
  [5].

  [1]https://review.opendev.org/#/c/722415/
  [2]https://bugs.launchpad.net/neutron/+bug/1877408
  [3]https://zuul.opendev.org/t/openstack/build/2e85321c072f4deebc456b75bda0fbf4/log/controller/logs/screen-q-svc.txt#551
  [4]https://storage.gra.cloud.ovh.net/v1/AUTH_dcaab5e32b234d56b626f72581e3644c/zuul_opendev_logs_4ee/755726/4/check/kuryr-kubernetes-tempest-containerized-ovn/4ee7612/controller/logs/local_conf.txt
  [5]http://paste.openstack.org/show/798773/

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