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[Balazs Gibizer <balazs.gibizer@xxxxxxxx>]

As discussed in the patch [1] the scenario to deploy cyborg then remove
the cyborg from the deployment without first removing all the users of
cyborg is not valid. The deployer should first clean up all the cyborg
users before removes cyborg from the deployment. Nova today also fails
due to missing neutron or cinder service in similar situation.

Also creating an instance with accel:device_profile in the flavor
without having cyborg deployed fails early enough not to leave a nova
instance in ERROR state to be deleted.

I'm marking this bug as invalid


[1] https://review.opendev.org/720670

** Changed in: nova
       Status: In Progress => Invalid

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https://bugs.launchpad.net/bugs/1873387

Title:
  Unable to delete instance because cyborg.get_client() failed

Status in OpenStack Compute (nova):
  Invalid

Bug description:
  When our cloud platform is not deployed or the Cyborg service is
  removed for some reason, we should be able to delete the instance
  correctly.

  Today, if there is no Cyborg service, or depolyed before and removed
  later, if we want to cleanup the instance with 'accel:device_profile'
  in it's flavor when the server build failed, or the user want to
  delete an older instance contains 'accel:device_profile',  that will
  be terminated and deleted because we did not handle the exception at
  [1].

  [1]
  https://opendev.org/openstack/nova/src/branch/master/nova/compute/utils.py#L1559

  Part of more details as below:

  2020-04-17 03:26:58.868 7 ERROR nova.compute.manager [instance: d378d6a4-2cf5-4076-8bc0-82544f25f34f]   File "/var/lib/kolla/venv/lib/pyth
  on2.7/site-packages/keystoneauth1/adapter.py", line 328, in get
  2020-04-17 03:26:58.868 7 ERROR nova.compute.manager [instance: d378d6a4-2cf5-4076-8bc0-82544f25f34f]     return self.request(url, 'GET', 
  **kwargs)
  2020-04-17 03:26:58.868 7 ERROR nova.compute.manager [instance: d378d6a4-2cf5-4076-8bc0-82544f25f34f]   File "/var/lib/kolla/venv/lib/pyth
  on2.7/site-packages/keystoneauth1/adapter.py", line 213, in request
  2020-04-17 03:26:58.868 7 ERROR nova.compute.manager [instance: d378d6a4-2cf5-4076-8bc0-82544f25f34f]     return self.session.request(url,
   method, **kwargs)
  2020-04-17 03:26:58.868 7 ERROR nova.compute.manager [instance: d378d6a4-2cf5-4076-8bc0-82544f25f34f]   File "/var/lib/kolla/venv/lib/pyth
  on2.7/site-packages/keystoneauth1/session.py", line 706, in request
  2020-04-17 03:26:58.868 7 ERROR nova.compute.manager [instance: d378d6a4-2cf5-4076-8bc0-82544f25f34f]     **endpoint_filter)
  2020-04-17 03:26:58.868 7 ERROR nova.compute.manager [instance: d378d6a4-2cf5-4076-8bc0-82544f25f34f]   File "/var/lib/kolla/venv/lib/pyth
  on2.7/site-packages/keystoneauth1/session.py", line 1113, in get_endpoint
  2020-04-17 03:26:58.868 7 ERROR nova.compute.manager [instance: d378d6a4-2cf5-4076-8bc0-82544f25f34f]     return auth.get_endpoint(self, *
  *kwargs)
  2020-04-17 03:26:58.868 7 ERROR nova.compute.manager [instance: d378d6a4-2cf5-4076-8bc0-82544f25f34f]   File "build/bdist.linux-x86_64/egg
  /nova/context.py", line 79, in get_endpoint
  2020-04-17 03:26:58.868 7 ERROR nova.compute.manager [instance: d378d6a4-2cf5-4076-8bc0-82544f25f34f]   File "/var/lib/kolla/venv/lib/pyth
  on2.7/site-packages/keystoneauth1/access/service_catalog.py", line 400, in url_for
  2020-04-17 03:26:58.868 7 ERROR nova.compute.manager [instance: d378d6a4-2cf5-4076-8bc0-82544f25f34f]     endpoint_id=endpoint_id).url
  2020-04-17 03:26:58.868 7 ERROR nova.compute.manager [instance: d378d6a4-2cf5-4076-8bc0-82544f25f34f]   File "/var/lib/kolla/venv/lib/pyth
  on2.7/site-packages/keystoneauth1/access/service_catalog.py", line 462, in endpoint_data_for
  2020-04-17 03:26:58.868 7 ERROR nova.compute.manager [instance: d378d6a4-2cf5-4076-8bc0-82544f25f34f]     raise exceptions.EndpointNotFoun
  d(msg)
  2020-04-17 03:26:58.868 7 ERROR nova.compute.manager [instance: d378d6a4-2cf5-4076-8bc0-82544f25f34f] EndpointNotFound: ['internal', 'publ
  ic'] endpoint for accelerator service in RegionTwo region not found
  2020-04-17 03:26:58.868 7 ERROR nova.compute.manager [instance: d378d6a4-2cf5-4076-8bc0-82544f25f34f]

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