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[Bug 1186357] Re: nova-compute fails to start if quantum is down

To: yahoo-eng-team@xxxxxxxxxxxxxxxxxxx
From: Thierry Carrez <thierry.carrez+lp@xxxxxxxxx>
Date: Wed, 17 Jul 2013 12:34:34 -0000
Reply-to: Bug 1186357 <1186357@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx
** Changed in: nova
       Status: Fix Committed => Fix Released

** Changed in: nova
    Milestone: None => havana-2

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https://bugs.launchpad.net/bugs/1186357

Title:
  nova-compute fails to start if quantum is down

Status in OpenStack Compute (Nova):
  Fix Released

Bug description:
  If starting nova-compute and quantum is down nova-compute fails with: 
  2013-05-31 10:37:21.015 TRACE nova.openstack.common.threadgroup   File "/opt/stack/nova/nova/service.py", line 155, in start
  2013-05-31 10:37:21.015 TRACE nova.openstack.common.threadgroup     self.manager.init_host()
  2013-05-31 10:37:21.015 TRACE nova.openstack.common.threadgroup   File "/opt/stack/nova/nova/compute/manager.py", line 632, in init_host
  2013-05-31 10:37:21.015 TRACE nova.openstack.common.threadgroup     self._init_instance(context, instance)
  2013-05-31 10:37:21.015 TRACE nova.openstack.common.threadgroup   File "/opt/stack/nova/nova/compute/manager.py", line 519, in _init_instance
  2013-05-31 10:37:21.015 TRACE nova.openstack.common.threadgroup     net_info = self._get_instance_nw_info(context, instance)
  2013-05-31 10:37:21.015 TRACE nova.openstack.common.threadgroup   File "/opt/stack/nova/nova/compute/manager.py", line 725, in _get_instance_nw_info
  2013-05-31 10:37:21.015 TRACE nova.openstack.common.threadgroup     instance, conductor_api=self.conductor_api)
  2013-05-31 10:37:21.015 TRACE nova.openstack.common.threadgroup   File "/opt/stack/nova/nova/network/quantumv2/api.py", line 369, in get_instance_nw_info
  2013-05-31 10:37:21.015 TRACE nova.openstack.common.threadgroup     result = self._get_instance_nw_info(context, instance, networks)
  2013-05-31 10:37:21.015 TRACE nova.openstack.common.threadgroup   File "/opt/stack/nova/nova/network/quantumv2/api.py", line 377, in _get_instance_nw_info
  2013-05-31 10:37:21.015 TRACE nova.openstack.common.threadgroup     nw_info = self._build_network_info_model(context, instance, networks)
  2013-05-31 10:37:21.015 TRACE nova.openstack.common.threadgroup   File "/opt/stack/nova/nova/network/quantumv2/api.py", line 839, in _build_network_info_model
  2013-05-31 10:37:21.015 TRACE nova.openstack.common.threadgroup     data = client.list_ports(**search_opts)
  2013-05-31 10:37:21.015 TRACE nova.openstack.common.threadgroup   File "/opt/stack/python-quantumclient/quantumclient/v2_0/client.py", line 108, in with_params
  2013-05-31 10:37:21.015 TRACE nova.openstack.common.threadgroup     ret = self.function(instance, *args, **kwargs)
  2013-05-31 10:37:21.015 TRACE nova.openstack.common.threadgroup   File "/opt/stack/python-quantumclient/quantumclient/v2_0/client.py", line 262, in list_ports
  2013-05-31 10:37:21.015 TRACE nova.openstack.common.threadgroup     **_params)
  2013-05-31 10:37:21.015 TRACE nova.openstack.common.threadgroup   File "/opt/stack/python-quantumclient/quantumclient/v2_0/client.py", line 1021, in list
  2013-05-31 10:37:21.015 TRACE nova.openstack.common.threadgroup     for r in self._pagination(collection, path, **params):
  2013-05-31 10:37:21.015 TRACE nova.openstack.common.threadgroup   File "/opt/stack/python-quantumclient/quantumclient/v2_0/client.py", line 1034, in _pagination
  2013-05-31 10:37:21.015 TRACE nova.openstack.common.threadgroup     res = self.get(path, params=params)
  2013-05-31 10:37:21.015 TRACE nova.openstack.common.threadgroup   File "/opt/stack/python-quantumclient/quantumclient/v2_0/client.py", line 1007, in get
  2013-05-31 10:37:21.015 TRACE nova.openstack.common.threadgroup     headers=headers, params=params)
  2013-05-31 10:37:21.015 TRACE nova.openstack.common.threadgroup   File "/opt/stack/python-quantumclient/quantumclient/v2_0/client.py", line 992, in retry_request
  2013-05-31 10:37:21.015 TRACE nova.openstack.common.threadgroup     headers=headers, params=params)
  2013-05-31 10:37:21.015 TRACE nova.openstack.common.threadgroup   File "/opt/stack/python-quantumclient/quantumclient/v2_0/client.py", line 934, in do_request
  2013-05-31 10:37:21.015 TRACE nova.openstack.common.threadgroup     self._handle_fault_response(status_code, replybody)
  2013-05-31 10:37:21.015 TRACE nova.openstack.common.threadgroup   File "/opt/stack/python-quantumclient/quantumclient/v2_0/client.py", line 908, in _handle_fault_response
  2013-05-31 10:37:21.015 TRACE nova.openstack.common.threadgroup     exception_handler_v20(status_code, des_error_body)
  2013-05-31 10:37:21.015 TRACE nova.openstack.common.threadgroup   File "/opt/stack/python-quantumclient/quantumclient/v2_0/client.py", line 88, in exception_handler_v20
  2013-05-31 10:37:21.015 TRACE nova.openstack.common.threadgroup     message=message)
  2013-05-31 10:37:21.015 TRACE nova.openstack.common.threadgroup QuantumClientException: [Errno 111] ECONNREFUSED

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