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[Slawek Kaplonski <2065145@xxxxxxxxxxxxxxxxxx>]

Public bug reported:

It is visible in every run of the fullstack job, error is at least in
the L3 ha agent tests. Stacktrace looks like:

2024-04-28 03:51:08.699 31321 DEBUG neutron.agent.linux.keepalived [None req-1676808e-ba74-42d7-b46d-044799513cb1 - - - - - -] Keepalived spawned with config /tmp/tmpho4849of/tmpwh6qvjr9/state_pathfza24s3d/ha_confs/8eb06565-5345-45c8-9ae4-80255f3ad42b/keepalived.conf spawn /home/zuul/src/opendev.org/openstack/neutron/neutron/agent/linux/keepalived.py:463
2024-04-28 03:51:08.701 31321 DEBUG neutron_lib.callbacks.manager [None req-1676808e-ba74-42d7-b46d-044799513cb1 - - - - - -] Publish callbacks ['neutron.agent.metadata.driver.after_router_updated-8766158267284', 'neutron.agent.linux.pd.update_router-8766158297739'] for router (8eb06565-5345-45c8-9ae4-80255f3ad42b), after_update _notify_loop /home/zuul/src/opendev.org/openstack/neutron/.tox/dsvm-fullstack-gate/lib/python3.9/site-packages/neutron_lib/callbacks/manager.py:184
2024-04-28 03:51:08.701 31321 ERROR neutron_lib.callbacks.manager [None req-1676808e-ba74-42d7-b46d-044799513cb1 - - - - - -] Error during notification for neutron.agent.metadata.driver.after_router_updated-8766158267284 router, after_update: AttributeError: 'MetadataDriver' object has no attribute 'monitors'
2024-04-28 03:51:08.701 31321 ERROR neutron_lib.callbacks.manager Traceback (most recent call last):
2024-04-28 03:51:08.701 31321 ERROR neutron_lib.callbacks.manager   File "/home/zuul/src/opendev.org/openstack/neutron/.tox/dsvm-fullstack-gate/lib/python3.9/site-packages/neutron_lib/callbacks/manager.py", line 189, in _notify_loop
2024-04-28 03:51:08.701 31321 ERROR neutron_lib.callbacks.manager     callback.method(resource, event, trigger, payload=payload)
2024-04-28 03:51:08.701 31321 ERROR neutron_lib.callbacks.manager   File "/home/zuul/src/opendev.org/openstack/neutron/neutron/agent/metadata/driver.py", line 97, in after_router_updated
2024-04-28 03:51:08.701 31321 ERROR neutron_lib.callbacks.manager     if (not proxy.monitors.get(router.router_id) and
2024-04-28 03:51:08.701 31321 ERROR neutron_lib.callbacks.manager AttributeError: 'MetadataDriver' object has no attribute 'monitors'
2024-04-28 03:51:08.701 31321 ERROR neutron_lib.callbacks.manager 

It could be caused by the
https://review.opendev.org/c/openstack/neutron/+/894399 but this is just
my guessing for now.

I'm not sure how important this bug is really as tests are passing fine
even with this error but it's for sure better to not have such
exceptions raised in the logs of the agent :)

** Affects: neutron
     Importance: Medium
         Status: Confirmed


** Tags: l3-ha

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https://bugs.launchpad.net/bugs/2065145

Title:
  AttributeError: 'MetadataDriver' object has no attribute 'monitors' in
  L3 agent logs

Status in neutron:
  Confirmed

Bug description:
  It is visible in every run of the fullstack job, error is at least in
  the L3 ha agent tests. Stacktrace looks like:

  2024-04-28 03:51:08.699 31321 DEBUG neutron.agent.linux.keepalived [None req-1676808e-ba74-42d7-b46d-044799513cb1 - - - - - -] Keepalived spawned with config /tmp/tmpho4849of/tmpwh6qvjr9/state_pathfza24s3d/ha_confs/8eb06565-5345-45c8-9ae4-80255f3ad42b/keepalived.conf spawn /home/zuul/src/opendev.org/openstack/neutron/neutron/agent/linux/keepalived.py:463
  2024-04-28 03:51:08.701 31321 DEBUG neutron_lib.callbacks.manager [None req-1676808e-ba74-42d7-b46d-044799513cb1 - - - - - -] Publish callbacks ['neutron.agent.metadata.driver.after_router_updated-8766158267284', 'neutron.agent.linux.pd.update_router-8766158297739'] for router (8eb06565-5345-45c8-9ae4-80255f3ad42b), after_update _notify_loop /home/zuul/src/opendev.org/openstack/neutron/.tox/dsvm-fullstack-gate/lib/python3.9/site-packages/neutron_lib/callbacks/manager.py:184
  2024-04-28 03:51:08.701 31321 ERROR neutron_lib.callbacks.manager [None req-1676808e-ba74-42d7-b46d-044799513cb1 - - - - - -] Error during notification for neutron.agent.metadata.driver.after_router_updated-8766158267284 router, after_update: AttributeError: 'MetadataDriver' object has no attribute 'monitors'
  2024-04-28 03:51:08.701 31321 ERROR neutron_lib.callbacks.manager Traceback (most recent call last):
  2024-04-28 03:51:08.701 31321 ERROR neutron_lib.callbacks.manager   File "/home/zuul/src/opendev.org/openstack/neutron/.tox/dsvm-fullstack-gate/lib/python3.9/site-packages/neutron_lib/callbacks/manager.py", line 189, in _notify_loop
  2024-04-28 03:51:08.701 31321 ERROR neutron_lib.callbacks.manager     callback.method(resource, event, trigger, payload=payload)
  2024-04-28 03:51:08.701 31321 ERROR neutron_lib.callbacks.manager   File "/home/zuul/src/opendev.org/openstack/neutron/neutron/agent/metadata/driver.py", line 97, in after_router_updated
  2024-04-28 03:51:08.701 31321 ERROR neutron_lib.callbacks.manager     if (not proxy.monitors.get(router.router_id) and
  2024-04-28 03:51:08.701 31321 ERROR neutron_lib.callbacks.manager AttributeError: 'MetadataDriver' object has no attribute 'monitors'
  2024-04-28 03:51:08.701 31321 ERROR neutron_lib.callbacks.manager 

  It could be caused by the
  https://review.opendev.org/c/openstack/neutron/+/894399 but this is
  just my guessing for now.

  I'm not sure how important this bug is really as tests are passing
  fine even with this error but it's for sure better to not have such
  exceptions raised in the logs of the agent :)

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