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[Matt Riedemann <mriedem@xxxxxxxxxx>]

Public bug reported:

http://logstash.openstack.org/#/dashboard/file/logstash.json?query=message:%5C%22mox3.mox.UnexpectedMethodCallError:%20Unexpected%20method%20call%20function.__call__(%3Cnova.virt.xenapi.client.session.XenAPISession%5C%22%20AND%20tags:%5C%22console%5C%22%20AND%20build_name:%5C
%22gate-nova-python34%5C%22

ft1.7942: nova.tests.unit.virt.xenapi.test_vmops.BootableTestCase.test_set_bootable_StringException: Empty attachments:
  stdout

pythonlogging:'': {{{2015-12-15 13:33:23,562 WARNING [oslo_reports.guru_meditation_report] Guru mediation now registers SIGUSR1 and SIGUSR2 by default for backward compatibility. SIGUSR1 will no longer be registered in a future release, so please use SIGUSR2 to generate reports.}}}
stderr: {{{
/home/jenkins/workspace/gate-nova-python34/.tox/py34/lib/python3.4/site-packages/pkg_resources/__init__.py:213: RuntimeWarning: You have iterated over the result of pkg_resources.parse_version. This is a legacy behavior which is inconsistent with the new version class introduced in setuptools 8.0. In most cases, conversion to a tuple is unnecessary. For comparison of versions, sort the Version instances directly. If you have another use case requiring the tuple, please file a bug with the setuptools project describing that need.
  stacklevel=1,
}}}

Traceback (most recent call last):
  File "/home/jenkins/workspace/gate-nova-python34/.tox/py34/lib/python3.4/site-packages/mox3/mox.py", line 1153, in _PopNextMethod
    return self._call_queue.popleft()
IndexError: pop from an empty deque

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/jenkins/workspace/gate-nova-python34/nova/tests/unit/virt/xenapi/test_vmops.py", line 1044, in test_set_bootable
    self.vmops.set_bootable(self.instance, True)
  File "/home/jenkins/workspace/gate-nova-python34/nova/virt/xenapi/vmops.py", line 1621, in set_bootable
    vm_ref = self._get_vm_opaque_ref(instance)
  File "/home/jenkins/workspace/gate-nova-python34/nova/virt/xenapi/vmops.py", line 824, in _get_vm_opaque_ref
    vm_ref = vm_utils.lookup(self._session, instance['name'], check_rescue)
  File "/home/jenkins/workspace/gate-nova-python34/.tox/py34/lib/python3.4/site-packages/mox3/mox.py", line 814, in __call__
    return mock_method(*params, **named_params)
  File "/home/jenkins/workspace/gate-nova-python34/.tox/py34/lib/python3.4/site-packages/mox3/mox.py", line 1113, in __call__
    expected_method = self._VerifyMethodCall()
  File "/home/jenkins/workspace/gate-nova-python34/.tox/py34/lib/python3.4/site-packages/mox3/mox.py", line 1169, in _VerifyMethodCall
    expected = self._PopNextMethod()
  File "/home/jenkins/workspace/gate-nova-python34/.tox/py34/lib/python3.4/site-packages/mox3/mox.py", line 1155, in _PopNextMethod
    raise UnexpectedMethodCallError(self, None)
mox3.mox.UnexpectedMethodCallError: Unexpected method call function.__call__(<nova.virt.xenapi.client.session.XenAPISession object at 0x7fb2174c84a8>, 'test', False) -> None

7 hits in 7 days, check and gate, py34 only, this is just mox3 being
racy on py34.

** Affects: nova
     Importance: Undecided
         Status: Confirmed


** Tags: py34 testing xenserver

** Changed in: nova
       Status: New => Confirmed

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https://bugs.launchpad.net/bugs/1526369

Title:
  nova.tests.unit.virt.xenapi.test_vmops.BootableTestCase.test_set_bootable
  is racy on py34

Status in OpenStack Compute (nova):
  Confirmed

Bug description:
  http://logstash.openstack.org/#/dashboard/file/logstash.json?query=message:%5C%22mox3.mox.UnexpectedMethodCallError:%20Unexpected%20method%20call%20function.__call__(%3Cnova.virt.xenapi.client.session.XenAPISession%5C%22%20AND%20tags:%5C%22console%5C%22%20AND%20build_name:%5C
  %22gate-nova-python34%5C%22

  ft1.7942: nova.tests.unit.virt.xenapi.test_vmops.BootableTestCase.test_set_bootable_StringException: Empty attachments:
    stdout

  pythonlogging:'': {{{2015-12-15 13:33:23,562 WARNING [oslo_reports.guru_meditation_report] Guru mediation now registers SIGUSR1 and SIGUSR2 by default for backward compatibility. SIGUSR1 will no longer be registered in a future release, so please use SIGUSR2 to generate reports.}}}
  stderr: {{{
  /home/jenkins/workspace/gate-nova-python34/.tox/py34/lib/python3.4/site-packages/pkg_resources/__init__.py:213: RuntimeWarning: You have iterated over the result of pkg_resources.parse_version. This is a legacy behavior which is inconsistent with the new version class introduced in setuptools 8.0. In most cases, conversion to a tuple is unnecessary. For comparison of versions, sort the Version instances directly. If you have another use case requiring the tuple, please file a bug with the setuptools project describing that need.
    stacklevel=1,
  }}}

  Traceback (most recent call last):
    File "/home/jenkins/workspace/gate-nova-python34/.tox/py34/lib/python3.4/site-packages/mox3/mox.py", line 1153, in _PopNextMethod
      return self._call_queue.popleft()
  IndexError: pop from an empty deque

  During handling of the above exception, another exception occurred:

  Traceback (most recent call last):
    File "/home/jenkins/workspace/gate-nova-python34/nova/tests/unit/virt/xenapi/test_vmops.py", line 1044, in test_set_bootable
      self.vmops.set_bootable(self.instance, True)
    File "/home/jenkins/workspace/gate-nova-python34/nova/virt/xenapi/vmops.py", line 1621, in set_bootable
      vm_ref = self._get_vm_opaque_ref(instance)
    File "/home/jenkins/workspace/gate-nova-python34/nova/virt/xenapi/vmops.py", line 824, in _get_vm_opaque_ref
      vm_ref = vm_utils.lookup(self._session, instance['name'], check_rescue)
    File "/home/jenkins/workspace/gate-nova-python34/.tox/py34/lib/python3.4/site-packages/mox3/mox.py", line 814, in __call__
      return mock_method(*params, **named_params)
    File "/home/jenkins/workspace/gate-nova-python34/.tox/py34/lib/python3.4/site-packages/mox3/mox.py", line 1113, in __call__
      expected_method = self._VerifyMethodCall()
    File "/home/jenkins/workspace/gate-nova-python34/.tox/py34/lib/python3.4/site-packages/mox3/mox.py", line 1169, in _VerifyMethodCall
      expected = self._PopNextMethod()
    File "/home/jenkins/workspace/gate-nova-python34/.tox/py34/lib/python3.4/site-packages/mox3/mox.py", line 1155, in _PopNextMethod
      raise UnexpectedMethodCallError(self, None)
  mox3.mox.UnexpectedMethodCallError: Unexpected method call function.__call__(<nova.virt.xenapi.client.session.XenAPISession object at 0x7fb2174c84a8>, 'test', False) -> None

  7 hits in 7 days, check and gate, py34 only, this is just mox3 being
  racy on py34.

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