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[Bug 1243260] Re: Nova api doesn't start with a backdoor port set

To: yahoo-eng-team@xxxxxxxxxxxxxxxxxxx
From: Thierry Carrez <thierry.carrez+lp@xxxxxxxxx>
Date: Wed, 04 Dec 2013 10:36:21 -0000
Reply-to: Bug 1243260 <1243260@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx
** Changed in: nova
       Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/1243260

Title:
  Nova api doesn't start with a backdoor port set

Status in OpenStack Compute (Nova):
  Fix Released

Bug description:
  nova api fails to start properly if a backdoor port is specified.
  Looking at the logs this traceback is repeatedly printed:

  2013-10-22 14:19:46.822 INFO nova.openstack.common.service [-] Child 1460 exited with status 1
  2013-10-22 14:19:46.824 INFO nova.openstack.common.service [-] Started child 1468
  2013-10-22 14:19:46.833 INFO nova.openstack.common.eventlet_backdoor [-] Eventlet backdoor listening on 60684 for process 1467
  2013-10-22 14:19:46.833 INFO nova.openstack.common.eventlet_backdoor [-] Eventlet backdoor listening on 58986 for process 1468
  2013-10-22 14:19:46.837 ERROR nova.openstack.common.threadgroup [-] 'NoneType' object has no attribute 'backdoor_port'
  2013-10-22 14:19:46.837 TRACE nova.openstack.common.threadgroup Traceback (most recent call last):
  2013-10-22 14:19:46.837 TRACE nova.openstack.common.threadgroup   File "/opt/stack/nova/nova/openstack/common/threadgroup.py", line 117, in wait
  2013-10-22 14:19:46.837 TRACE nova.openstack.common.threadgroup     x.wait()
  2013-10-22 14:19:46.837 TRACE nova.openstack.common.threadgroup   File "/opt/stack/nova/nova/openstack/common/threadgroup.py", line 49, in wait
  2013-10-22 14:19:46.837 TRACE nova.openstack.common.threadgroup     return self.thread.wait()
  2013-10-22 14:19:46.837 TRACE nova.openstack.common.threadgroup   File "/usr/lib/python2.7/dist-packages/eventlet/greenthread.py", line 168, in wait
  2013-10-22 14:19:46.837 TRACE nova.openstack.common.threadgroup     return self._exit_event.wait()
  2013-10-22 14:19:46.837 TRACE nova.openstack.common.threadgroup   File "/usr/lib/python2.7/dist-packages/eventlet/event.py", line 116, in wait
  2013-10-22 14:19:46.837 TRACE nova.openstack.common.threadgroup     return hubs.get_hub().switch()
  2013-10-22 14:19:46.837 TRACE nova.openstack.common.threadgroup   File "/usr/lib/python2.7/dist-packages/eventlet/hubs/hub.py", line 187, in switch
  2013-10-22 14:19:46.837 TRACE nova.openstack.common.threadgroup     return self.greenlet.switch()
  2013-10-22 14:19:46.837 TRACE nova.openstack.common.threadgroup   File "/usr/lib/python2.7/dist-packages/eventlet/greenthread.py", line 194, in main
  2013-10-22 14:19:46.837 TRACE nova.openstack.common.threadgroup     result = function(*args, **kwargs)
  2013-10-22 14:19:46.837 TRACE nova.openstack.common.threadgroup   File "/opt/stack/nova/nova/openstack/common/service.py", line 448, in run_service
  2013-10-22 14:19:46.837 TRACE nova.openstack.common.threadgroup     service.start()
  2013-10-22 14:19:46.837 TRACE nova.openstack.common.threadgroup   File "/opt/stack/nova/nova/service.py", line 357, in start
  2013-10-22 14:19:46.837 TRACE nova.openstack.common.threadgroup     self.manager.backdoor_port = self.backdoor_port
  2013-10-22 14:19:46.837 TRACE nova.openstack.common.threadgroup AttributeError: 'NoneType' object has no attribute 'backdoor_port'
  2013-10-22 14:19:46.840 TRACE nova   File "/usr/local/bin/nova-api", line 10, in <module>
  2013-10-22 14:19:46.840 TRACE nova     sys.exit(main())
  2013-10-22 14:19:46.840 TRACE nova   File "/opt/stack/nova/nova/cmd/api.py", line 53, in main
  2013-10-22 14:19:46.840 TRACE nova     launcher.wait()
  2013-10-22 14:19:46.840 TRACE nova   File "/opt/stack/nova/nova/openstack/common/service.py", line 351, in wait
  2013-10-22 14:19:46.840 TRACE nova     self._respawn_children()
  2013-10-22 14:19:46.840 TRACE nova   File "/opt/stack/nova/nova/openstack/common/service.py", line 341, in _respawn_children
  2013-10-22 14:19:46.840 TRACE nova     self._start_child(wrap)
  2013-10-22 14:19:46.840 TRACE nova   File "/opt/stack/nova/nova/openstack/common/service.py", line 287, in _start_child
  2013-10-22 14:19:46.840 TRACE nova     os._exit(status)
  2013-10-22 14:19:46.840 TRACE nova TypeError: an integer is required
  2013-10-22 14:19:46.840 TRACE nova

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