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[Bug 1413503] Re: ovs agent get exception when processing VIF ports

To: yahoo-eng-team@xxxxxxxxxxxxxxxxxxx
From: yalei wang <yalei.wang@xxxxxxxxx>
Date: Fri, 23 Jan 2015 06:55:51 -0000
Reply-to: Bug 1413503 <1413503@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx
Hi Darragh O'Reilly, the workaround is use full path like this for
lock_path

lock_path = /opt/stack/data/neutron/lock

** Also affects: devstack
   Importance: Undecided
       Status: New

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https://bugs.launchpad.net/bugs/1413503

Title:
  ovs agent get exception when processing VIF ports

Status in devstack - openstack dev environments:
  New
Status in OpenStack Neutron (virtual network service):
  In Progress

Bug description:
  Mark this error here, not sure if it is a neutron's bug

  =============================
  2015-01-22 15:46:12.460 ERROR neutron.plugins.openvswitch.agent.ovs_neutron_agent [req-bde320a0-61da-4f4b-8710-eef1e8c8819b None None] Error while processing VIF ports
  2015-01-22 15:46:12.460 TRACE neutron.plugins.openvswitch.agent.ovs_neutron_agent Traceback (most recent call last):
  2015-01-22 15:46:12.460 TRACE neutron.plugins.openvswitch.agent.ovs_neutron_agent   File "/opt/stack/neutron/neutron/plugins/openvswitch/agent/ovs_neutron_agent.py", line 1455, in rpc_loop
  2015-01-22 15:46:12.460 TRACE neutron.plugins.openvswitch.agent.ovs_neutron_agent     ovs_restarted)
  2015-01-22 15:46:12.460 TRACE neutron.plugins.openvswitch.agent.ovs_neutron_agent   File "/opt/stack/neutron/neutron/plugins/openvswitch/agent/ovs_neutron_agent.py", line 1221, in process_network_ports
  2015-01-22 15:46:12.460 TRACE neutron.plugins.openvswitch.agent.ovs_neutron_agent     port_info.get('updated', set()))
  2015-01-22 15:46:12.460 TRACE neutron.plugins.openvswitch.agent.ovs_neutron_agent   File "/opt/stack/neutron/neutron/agent/securitygroups_rpc.py", line 342, in setup_port_filters
  2015-01-22 15:46:12.460 TRACE neutron.plugins.openvswitch.agent.ovs_neutron_agent     self.prepare_devices_filter(new_devices)
  2015-01-22 15:46:12.460 TRACE neutron.plugins.openvswitch.agent.ovs_neutron_agent   File "/opt/stack/neutron/neutron/agent/securitygroups_rpc.py", line 201, in decorated_function
  2015-01-22 15:46:12.460 TRACE neutron.plugins.openvswitch.agent.ovs_neutron_agent     *args, **kwargs)
  2015-01-22 15:46:12.460 TRACE neutron.plugins.openvswitch.agent.ovs_neutron_agent   File "/opt/stack/neutron/neutron/agent/securitygroups_rpc.py", line 226, in prepare_devices_filter
  2015-01-22 15:46:12.460 TRACE neutron.plugins.openvswitch.agent.ovs_neutron_agent     security_groups, security_group_member_ips)
  2015-01-22 15:46:12.460 TRACE neutron.plugins.openvswitch.agent.ovs_neutron_agent   File "/usr/lib/python2.7/contextlib.py", line 24, in __exit__
  2015-01-22 15:46:12.460 TRACE neutron.plugins.openvswitch.agent.ovs_neutron_agent     self.gen.next()
  2015-01-22 15:46:12.460 TRACE neutron.plugins.openvswitch.agent.ovs_neutron_agent   File "/opt/stack/neutron/neutron/agent/firewall.py", line 106, in defer_apply
  2015-01-22 15:46:12.460 TRACE neutron.plugins.openvswitch.agent.ovs_neutron_agent     self.filter_defer_apply_off()
  2015-01-22 15:46:12.460 TRACE neutron.plugins.openvswitch.agent.ovs_neutron_agent   File "/opt/stack/neutron/neutron/agent/linux/iptables_firewall.py", line 539, in filter_defer_apply_off
  2015-01-22 15:46:12.460 TRACE neutron.plugins.openvswitch.agent.ovs_neutron_agent     self.iptables.defer_apply_off()
  2015-01-22 15:46:12.460 TRACE neutron.plugins.openvswitch.agent.ovs_neutron_agent   File "/opt/stack/neutron/neutron/agent/linux/iptables_manager.py", line 397, in defer_apply_off
  2015-01-22 15:46:12.460 TRACE neutron.plugins.openvswitch.agent.ovs_neutron_agent     self._apply()
  2015-01-22 15:46:12.460 TRACE neutron.plugins.openvswitch.agent.ovs_neutron_agent   File "/opt/stack/neutron/neutron/agent/linux/iptables_manager.py", line 412, in _apply
  2015-01-22 15:46:12.460 TRACE neutron.plugins.openvswitch.agent.ovs_neutron_agent     with lockutils.lock(lock_name, utils.SYNCHRONIZED_PREFIX, True):
  2015-01-22 15:46:12.460 TRACE neutron.plugins.openvswitch.agent.ovs_neutron_agent   File "/usr/lib/python2.7/contextlib.py", line 17, in __enter__
  2015-01-22 15:46:12.460 TRACE neutron.plugins.openvswitch.agent.ovs_neutron_agent     return self.gen.next()
  2015-01-22 15:46:12.460 TRACE neutron.plugins.openvswitch.agent.ovs_neutron_agent   File "/usr/local/lib/python2.7/dist-packages/oslo_concurrency/lockutils.py", line 381, in lock
  2015-01-22 15:46:12.460 TRACE neutron.plugins.openvswitch.agent.ovs_neutron_agent     ext_lock = external_lock(name, lock_file_prefix, lock_path)
  2015-01-22 15:46:12.460 TRACE neutron.plugins.openvswitch.agent.ovs_neutron_agent   File "/usr/local/lib/python2.7/dist-packages/oslo_concurrency/lockutils.py", line 318, in external_lock
  2015-01-22 15:46:12.460 TRACE neutron.plugins.openvswitch.agent.ovs_neutron_agent     lock_file_path = _get_lock_path(name, lock_file_prefix, lock_path)
  2015-01-22 15:46:12.460 TRACE neutron.plugins.openvswitch.agent.ovs_neutron_agent   File "/usr/local/lib/python2.7/dist-packages/oslo_concurrency/lockutils.py", line 309, in _get_lock_path
  2015-01-22 15:46:12.460 TRACE neutron.plugins.openvswitch.agent.ovs_neutron_agent     local_lock_path = lock_path or CONF.oslo_concurrency.lock_path
  2015-01-22 15:46:12.460 TRACE neutron.plugins.openvswitch.agent.ovs_neutron_agent   File "/usr/local/lib/python2.7/dist-packages/oslo_config/cfg.py", line 2384, in __getattr__
  2015-01-22 15:46:12.460 TRACE neutron.plugins.openvswitch.agent.ovs_neutron_agent     return self._conf._get(name, self._group)
  2015-01-22 15:46:12.460 TRACE neutron.plugins.openvswitch.agent.ovs_neutron_agent   File "/usr/local/lib/python2.7/dist-packages/oslo_config/cfg.py", line 2116, in _get
  2015-01-22 15:46:12.460 TRACE neutron.plugins.openvswitch.agent.ovs_neutron_agent     value = self._do_get(name, group, namespace)
  2015-01-22 15:46:12.460 TRACE neutron.plugins.openvswitch.agent.ovs_neutron_agent   File "/usr/local/lib/python2.7/dist-packages/oslo_config/cfg.py", line 2153, in _do_get
  2015-01-22 15:46:12.460 TRACE neutron.plugins.openvswitch.agent.ovs_neutron_agent     return convert(opt._get_from_namespace(namespace, group_name))
  2015-01-22 15:46:12.460 TRACE neutron.plugins.openvswitch.agent.ovs_neutron_agent   File "/usr/local/lib/python2.7/dist-packages/oslo_config/cfg.py", line 2148, in convert
  2015-01-22 15:46:12.460 TRACE neutron.plugins.openvswitch.agent.ovs_neutron_agent     self._substitute(value, group, namespace), opt)
  2015-01-22 15:46:12.460 TRACE neutron.plugins.openvswitch.agent.ovs_neutron_agent   File "/usr/local/lib/python2.7/dist-packages/oslo_config/cfg.py", line 2199, in _substitute
  2015-01-22 15:46:12.460 TRACE neutron.plugins.openvswitch.agent.ovs_neutron_agent     self.StrSubWrapper(self, group=group, namespace=namespace))
  2015-01-22 15:46:12.460 TRACE neutron.plugins.openvswitch.agent.ovs_neutron_agent   File "/usr/lib/python2.7/string.py", line 205, in safe_substitute
  2015-01-22 15:46:12.460 TRACE neutron.plugins.openvswitch.agent.ovs_neutron_agent     return self.pattern.sub(convert, self.template)
  2015-01-22 15:46:12.460 TRACE neutron.plugins.openvswitch.agent.ovs_neutron_agent   File "/usr/lib/python2.7/string.py", line 190, in convert
  2015-01-22 15:46:12.460 TRACE neutron.plugins.openvswitch.agent.ovs_neutron_agent     return '%s' % (mapping[named],)
  2015-01-22 15:46:12.460 TRACE neutron.plugins.openvswitch.agent.ovs_neutron_agent   File "/usr/local/lib/python2.7/dist-packages/oslo_config/cfg.py", line 2464, in __getitem__
  2015-01-22 15:46:12.460 TRACE neutron.plugins.openvswitch.agent.ovs_neutron_agent     value = self.conf._get(key, namespace=self.namespace)
  2015-01-22 15:46:12.460 TRACE neutron.plugins.openvswitch.agent.ovs_neutron_agent   File "/usr/local/lib/python2.7/dist-packages/oslo_config/cfg.py", line 2116, in _get
  2015-01-22 15:46:12.460 TRACE neutron.plugins.openvswitch.agent.ovs_neutron_agent     value = self._do_get(name, group, namespace)
  2015-01-22 15:46:12.460 TRACE neutron.plugins.openvswitch.agent.ovs_neutron_agent   File "/usr/local/lib/python2.7/dist-packages/oslo_config/cfg.py", line 2134, in _do_get
  2015-01-22 15:46:12.460 TRACE neutron.plugins.openvswitch.agent.ovs_neutron_agent     info = self._get_opt_info(name, group)
  2015-01-22 15:46:12.460 TRACE neutron.plugins.openvswitch.agent.ovs_neutron_agent   File "/usr/local/lib/python2.7/dist-packages/oslo_config/cfg.py", line 2262, in _get_opt_info
  2015-01-22 15:46:12.460 TRACE neutron.plugins.openvswitch.agent.ovs_neutron_agent     raise NoSuchOptError(opt_name, group)
  2015-01-22 15:46:12.460 TRACE neutron.plugins.openvswitch.agent.ovs_neutron_agent NoSuchOptError: no such option: state_path

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References

[Bug 1413503] [NEW] ovs agent get exception when processing VIF ports
From: yalei wang, 2015-01-22