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[Bug 1776085] [NEW] nova show me the unexpected API Error when the resize is not finished

To: yahoo-eng-team@xxxxxxxxxxxxxxxxxxx
From: hai shi <shihai1992@xxxxxxxxx>
Date: Sun, 10 Jun 2018 15:48:35 -0000
Reply-to: Bug 1776085 <1776085@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx
Public bug reported:

2018-06-04T15:24:39.732+08:00 pgRjxrxGHOxjIkq nova-api ERROR [pid:48758] [MainThread] [tid:182685520] [extensions.py:504 wrapped] [req-c237f91f-e684-463e-8499-ba312ab2d3fd] Unexpected exception in API method
2018-06-04 15:24:39.720 48758 ERROR nova.api.openstack.extensions Traceback (most recent call last):
2018-06-04 15:24:39.720 48758 ERROR nova.api.openstack.extensions   File "/opt/cloud/services/cascading-nova/venv/lib/python2.7/site-packages/nova/api/openstack/extensions.py", line 478, in wrapped
2018-06-04 15:24:39.720 48758 ERROR nova.api.openstack.extensions     return f(*args, **kwargs)
2018-06-04 15:24:39.720 48758 ERROR nova.api.openstack.extensions   File "/opt/cloud/services/cascading-nova/venv/lib/python2.7/site-packages/nova/api/openstack/compute/servers.py", line 1128, in delete
2018-06-04 15:24:39.720 48758 ERROR nova.api.openstack.extensions     self._delete(req.environ['nova.context'], req, id)
2018-06-04 15:24:39.720 48758 ERROR nova.api.openstack.extensions   File "/opt/cloud/services/cascading-nova/venv/lib/python2.7/site-packages/nova/api/openstack/compute/servers.py", line 973, in _delete
2018-06-04 15:24:39.720 48758 ERROR nova.api.openstack.extensions     self.compute_api.delete(context, instance)
2018-06-04 15:24:39.720 48758 ERROR nova.api.openstack.extensions   File "/opt/cloud/services/cascading-nova/venv/lib/python2.7/site-packages/osprofiler/profiler.py", line 155, in wrapper
2018-06-04 15:24:39.720 48758 ERROR nova.api.openstack.extensions     return f(*args, **kwargs)
2018-06-04 15:24:39.720 48758 ERROR nova.api.openstack.extensions   File "/opt/cloud/services/cascading-nova/venv/lib/python2.7/site-packages/osprofiler/profiler.py", line 155, in wrapper
2018-06-04 15:24:39.720 48758 ERROR nova.api.openstack.extensions     return f(*args, **kwargs)
2018-06-04 15:24:39.720 48758 ERROR nova.api.openstack.extensions   File "/opt/cloud/services/cascading-nova/venv/lib/python2.7/site-packages/nova/compute/api.py", line 198, in wrapped
2018-06-04 15:24:39.720 48758 ERROR nova.api.openstack.extensions     return func(self, context, target, *args, **kwargs)
2018-06-04 15:24:39.720 48758 ERROR nova.api.openstack.extensions   File "/opt/cloud/services/cascading-nova/venv/lib/python2.7/site-packages/nova/compute/api.py", line 187, in inner
2018-06-04 15:24:39.720 48758 ERROR nova.api.openstack.extensions     return function(self, context, instance, *args, **kwargs)
2018-06-04 15:24:39.720 48758 ERROR nova.api.openstack.extensions   File "/opt/cloud/services/cascading-nova/venv/lib/python2.7/site-packages/nova/compute/api.py", line 215, in _wrapped
2018-06-04 15:24:39.720 48758 ERROR nova.api.openstack.extensions     return fn(self, context, instance, *args, **kwargs)
2018-06-04 15:24:39.720 48758 ERROR nova.api.openstack.extensions   File "/opt/cloud/services/cascading-nova/venv/lib/python2.7/site-packages/nova/compute/api.py", line 155, in inner
2018-06-04 15:24:39.720 48758 ERROR nova.api.openstack.extensions     return f(self, context, instance, *args, **kw)
2018-06-04 15:24:39.720 48758 ERROR nova.api.openstack.extensions   File "/opt/cloud/services/cascading-nova/venv/lib/python2.7/site-packages/nova/compute/api.py", line 1983, in delete
2018-06-04 15:24:39.720 48758 ERROR nova.api.openstack.extensions     self._delete_instance(context, instance)
2018-06-04 15:24:39.720 48758 ERROR nova.api.openstack.extensions   File "/opt/cloud/services/cascading-nova/venv/lib/python2.7/site-packages/nova/huawei/compute/api.py", line 1553, in _delete_instance
2018-06-04 15:24:39.720 48758 ERROR nova.api.openstack.extensions     task_state=task_states.DELETING)
2018-06-04 15:24:39.720 48758 ERROR nova.api.openstack.extensions   File "/opt/cloud/services/cascading-nova/venv/lib/python2.7/site-packages/nova/huawei/compute/api.py", line 1451, in _delete***
2018-06-04 15:24:39.720 48758 ERROR nova.api.openstack.extensions     quotas.rollback()
2018-06-04 15:24:39.720 48758 ERROR nova.api.openstack.extensions   File "/opt/cloud/services/cascading-nova/venv/lib/python2.7/site-packages/oslo_utils/excutils.py", line 220, in __exit__
2018-06-04 15:24:39.720 48758 ERROR nova.api.openstack.extensions     self.force_reraise()
2018-06-04 15:24:39.720 48758 ERROR nova.api.openstack.extensions   File "/opt/cloud/services/cascading-nova/venv/lib/python2.7/site-packages/oslo_utils/excutils.py", line 196, in force_reraise
2018-06-04 15:24:39.720 48758 ERROR nova.api.openstack.extensions     six.reraise(self.type_, self.value, self.tb)
2018-06-04 15:24:39.720 48758 ERROR nova.api.openstack.extensions   File "/opt/cloud/services/cascading-nova/venv/lib/python2.7/site-packages/nova/huawei/compute/api.py", line 1404, in _delete
2018-06-04 15:24:39.720 48758 ERROR nova.api.openstack.extensions     self._confirm_resize_on_deleting(context, instance)
2018-06-04 15:24:39.720 48758 ERROR nova.api.openstack.extensions   File "/opt/cloud/services/cascading-nova/venv/lib/python2.7/site-packages/nova/huawei/compute/api.py", line 1495, in _confirm_resize_on_deleting
2018-06-04 15:24:39.720 48758 ERROR nova.api.openstack.extensions     deltas = compute_utils.downsize_quota_delta(context, instance)
2018-06-04 15:24:39.720 48758 ERROR nova.api.openstack.extensions   File "/opt/cloud/services/cascading-nova/venv/lib/python2.7/site-packages/nova/compute/utils.py", line 472, in downsize_quota_delta
2018-06-04 15:24:39.720 48758 ERROR nova.api.openstack.extensions     return resize_quota_delta(context, new_flavor, old_flavor, 1, -1)
2018-06-04 15:24:39.720 48758 ERROR nova.api.openstack.extensions   File "/opt/cloud/services/cascading-nova/venv/lib/python2.7/site-packages/nova/compute/utils.py", line 445, in resize_quota_delta
2018-06-04 15:24:39.720 48758 ERROR nova.api.openstack.extensions     if compare * _quota_delta('vcpus') > 0:
2018-06-04 15:24:39.720 48758 ERROR nova.api.openstack.extensions   File "/opt/cloud/services/cascading-nova/venv/lib/python2.7/site-packages/nova/compute/utils.py", line 442, in _quota_delta
2018-06-04 15:24:39.720 48758 ERROR nova.api.openstack.extensions     return sense * (new_flavor[resource] - old_flavor[resource])
2018-06-04 15:24:39.720 48758 ERROR nova.api.openstack.extensions TypeError: 'NoneType' object has no attribute '__getitem__'
2018-06-04 15:24:39.720 48758 ERROR nova.api.openstack.extensions

It looks like the resize action is not finished and we want to delete
the server, so the service show me the unexpected api

** Affects: nova
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1776085

Title:
  nova show me the unexpected API Error when the resize is not finished

Status in OpenStack Compute (nova):
  New

Bug description:
  2018-06-04T15:24:39.732+08:00 pgRjxrxGHOxjIkq nova-api ERROR [pid:48758] [MainThread] [tid:182685520] [extensions.py:504 wrapped] [req-c237f91f-e684-463e-8499-ba312ab2d3fd] Unexpected exception in API method
  2018-06-04 15:24:39.720 48758 ERROR nova.api.openstack.extensions Traceback (most recent call last):
  2018-06-04 15:24:39.720 48758 ERROR nova.api.openstack.extensions   File "/opt/cloud/services/cascading-nova/venv/lib/python2.7/site-packages/nova/api/openstack/extensions.py", line 478, in wrapped
  2018-06-04 15:24:39.720 48758 ERROR nova.api.openstack.extensions     return f(*args, **kwargs)
  2018-06-04 15:24:39.720 48758 ERROR nova.api.openstack.extensions   File "/opt/cloud/services/cascading-nova/venv/lib/python2.7/site-packages/nova/api/openstack/compute/servers.py", line 1128, in delete
  2018-06-04 15:24:39.720 48758 ERROR nova.api.openstack.extensions     self._delete(req.environ['nova.context'], req, id)
  2018-06-04 15:24:39.720 48758 ERROR nova.api.openstack.extensions   File "/opt/cloud/services/cascading-nova/venv/lib/python2.7/site-packages/nova/api/openstack/compute/servers.py", line 973, in _delete
  2018-06-04 15:24:39.720 48758 ERROR nova.api.openstack.extensions     self.compute_api.delete(context, instance)
  2018-06-04 15:24:39.720 48758 ERROR nova.api.openstack.extensions   File "/opt/cloud/services/cascading-nova/venv/lib/python2.7/site-packages/osprofiler/profiler.py", line 155, in wrapper
  2018-06-04 15:24:39.720 48758 ERROR nova.api.openstack.extensions     return f(*args, **kwargs)
  2018-06-04 15:24:39.720 48758 ERROR nova.api.openstack.extensions   File "/opt/cloud/services/cascading-nova/venv/lib/python2.7/site-packages/osprofiler/profiler.py", line 155, in wrapper
  2018-06-04 15:24:39.720 48758 ERROR nova.api.openstack.extensions     return f(*args, **kwargs)
  2018-06-04 15:24:39.720 48758 ERROR nova.api.openstack.extensions   File "/opt/cloud/services/cascading-nova/venv/lib/python2.7/site-packages/nova/compute/api.py", line 198, in wrapped
  2018-06-04 15:24:39.720 48758 ERROR nova.api.openstack.extensions     return func(self, context, target, *args, **kwargs)
  2018-06-04 15:24:39.720 48758 ERROR nova.api.openstack.extensions   File "/opt/cloud/services/cascading-nova/venv/lib/python2.7/site-packages/nova/compute/api.py", line 187, in inner
  2018-06-04 15:24:39.720 48758 ERROR nova.api.openstack.extensions     return function(self, context, instance, *args, **kwargs)
  2018-06-04 15:24:39.720 48758 ERROR nova.api.openstack.extensions   File "/opt/cloud/services/cascading-nova/venv/lib/python2.7/site-packages/nova/compute/api.py", line 215, in _wrapped
  2018-06-04 15:24:39.720 48758 ERROR nova.api.openstack.extensions     return fn(self, context, instance, *args, **kwargs)
  2018-06-04 15:24:39.720 48758 ERROR nova.api.openstack.extensions   File "/opt/cloud/services/cascading-nova/venv/lib/python2.7/site-packages/nova/compute/api.py", line 155, in inner
  2018-06-04 15:24:39.720 48758 ERROR nova.api.openstack.extensions     return f(self, context, instance, *args, **kw)
  2018-06-04 15:24:39.720 48758 ERROR nova.api.openstack.extensions   File "/opt/cloud/services/cascading-nova/venv/lib/python2.7/site-packages/nova/compute/api.py", line 1983, in delete
  2018-06-04 15:24:39.720 48758 ERROR nova.api.openstack.extensions     self._delete_instance(context, instance)
  2018-06-04 15:24:39.720 48758 ERROR nova.api.openstack.extensions   File "/opt/cloud/services/cascading-nova/venv/lib/python2.7/site-packages/nova/huawei/compute/api.py", line 1553, in _delete_instance
  2018-06-04 15:24:39.720 48758 ERROR nova.api.openstack.extensions     task_state=task_states.DELETING)
  2018-06-04 15:24:39.720 48758 ERROR nova.api.openstack.extensions   File "/opt/cloud/services/cascading-nova/venv/lib/python2.7/site-packages/nova/huawei/compute/api.py", line 1451, in _delete***
  2018-06-04 15:24:39.720 48758 ERROR nova.api.openstack.extensions     quotas.rollback()
  2018-06-04 15:24:39.720 48758 ERROR nova.api.openstack.extensions   File "/opt/cloud/services/cascading-nova/venv/lib/python2.7/site-packages/oslo_utils/excutils.py", line 220, in __exit__
  2018-06-04 15:24:39.720 48758 ERROR nova.api.openstack.extensions     self.force_reraise()
  2018-06-04 15:24:39.720 48758 ERROR nova.api.openstack.extensions   File "/opt/cloud/services/cascading-nova/venv/lib/python2.7/site-packages/oslo_utils/excutils.py", line 196, in force_reraise
  2018-06-04 15:24:39.720 48758 ERROR nova.api.openstack.extensions     six.reraise(self.type_, self.value, self.tb)
  2018-06-04 15:24:39.720 48758 ERROR nova.api.openstack.extensions   File "/opt/cloud/services/cascading-nova/venv/lib/python2.7/site-packages/nova/huawei/compute/api.py", line 1404, in _delete
  2018-06-04 15:24:39.720 48758 ERROR nova.api.openstack.extensions     self._confirm_resize_on_deleting(context, instance)
  2018-06-04 15:24:39.720 48758 ERROR nova.api.openstack.extensions   File "/opt/cloud/services/cascading-nova/venv/lib/python2.7/site-packages/nova/huawei/compute/api.py", line 1495, in _confirm_resize_on_deleting
  2018-06-04 15:24:39.720 48758 ERROR nova.api.openstack.extensions     deltas = compute_utils.downsize_quota_delta(context, instance)
  2018-06-04 15:24:39.720 48758 ERROR nova.api.openstack.extensions   File "/opt/cloud/services/cascading-nova/venv/lib/python2.7/site-packages/nova/compute/utils.py", line 472, in downsize_quota_delta
  2018-06-04 15:24:39.720 48758 ERROR nova.api.openstack.extensions     return resize_quota_delta(context, new_flavor, old_flavor, 1, -1)
  2018-06-04 15:24:39.720 48758 ERROR nova.api.openstack.extensions   File "/opt/cloud/services/cascading-nova/venv/lib/python2.7/site-packages/nova/compute/utils.py", line 445, in resize_quota_delta
  2018-06-04 15:24:39.720 48758 ERROR nova.api.openstack.extensions     if compare * _quota_delta('vcpus') > 0:
  2018-06-04 15:24:39.720 48758 ERROR nova.api.openstack.extensions   File "/opt/cloud/services/cascading-nova/venv/lib/python2.7/site-packages/nova/compute/utils.py", line 442, in _quota_delta
  2018-06-04 15:24:39.720 48758 ERROR nova.api.openstack.extensions     return sense * (new_flavor[resource] - old_flavor[resource])
  2018-06-04 15:24:39.720 48758 ERROR nova.api.openstack.extensions TypeError: 'NoneType' object has no attribute '__getitem__'
  2018-06-04 15:24:39.720 48758 ERROR nova.api.openstack.extensions

  It looks like the resize action is not finished and we want to delete
  the server, so the service show me the unexpected api

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Follow ups

[Bug 1776085] Re: nova show me the unexpected API Error when the resize is not finished
From: Launchpad Bug Tracker, 2018-08-21