Hi, Problem which You have here is that Your agent can't connect to rabbitmq. Because of that rpc message with report_state is timeouted and that is the reason of this error. Is Your rabbitmq server on same host with ovs agent? Is rabbitmq server works properly?
— Best regards Slawek Kaplonski sla...@kaplonski.pl > Wiadomość napisana przez Frank Wang <wangpeihui...@126.com> w dniu > 23.01.2018, o godz. 10:44: > > Hi Sławomir, > > Thanks for you quick response. I'm using Ocata, Here is the exception > stack. > e: [Errno 111] ECONNREFUSED. Trying again in 14 seconds. Client port: None > 2018-01-23 17:37:45.387 8636 ERROR oslo.messaging._drivers.impl_rabbit [-] > [7b611083-b03c-4aaa-bb2f-a8f6cb89ab15] AMQP server on 127.0.0.1:5672 is > unreachable: [Errno 111] ECONNREFUSED. Trying again in 14 seconds. Client > port: None > 2018-01-23 17:37:45.395 8636 ERROR oslo.messaging._drivers.impl_rabbit [-] > [bc243998-c484-47b3-8a5d-59104470c441] AMQP server on 127.0.0.1:5672 is > unreachable: [Errno 111] ECONNREFUSED. Trying again in 14 seconds. Client > port: None > 2018-01-23 17:37:45.402 8636 ERROR oslo.messaging._drivers.impl_rabbit [-] > [f86f1d05-6f72-443a-967e-581c9c3af656] AMQP server on 127.0.0.1:5672 is > unreachable: [Errno 111] ECONNREFUSED. Trying again in 14 seconds. Client > port: None > 2018-01-23 17:37:51.927 8636 ERROR oslo.messaging._drivers.impl_rabbit [-] > [4c876705-fd92-4b32-8c45-98ff1ed75846] AMQP server on 127.0.0.1:5672 is > unreachable: [Errno 111] ECONNREFUSED. Trying again in 14 seconds. Client > port: None > 2018-01-23 17:37:53.807 8636 ERROR > neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent [-] Failed > reporting state! > 2018-01-23 17:37:53.807 8636 ERROR > neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent Traceback > (most recent call last): > 2018-01-23 17:37:53.807 8636 ERROR > neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent File > "/usr/lib/python2.7/site-packages/neutron/plugins/ml2/drivers/openvswitch/agent/ovs_neutron_agent.py", > line 312, in _report_state > 2018-01-23 17:37:53.807 8636 ERROR > neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent True) > 2018-01-23 17:37:53.807 8636 ERROR > neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent File > "/usr/lib/python2.7/site-packages/neutron/agent/rpc.py", line 87, in > report_state > 2018-01-23 17:37:53.807 8636 ERROR > neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent return > method(context, 'report_state', **kwargs) > 2018-01-23 17:37:53.807 8636 ERROR > neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent File > "/usr/lib/python2.7/site-packages/oslo_messaging/rpc/client.py", line 169, in > call > 2018-01-23 17:37:53.807 8636 ERROR > neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent > retry=self.retry) > 2018-01-23 17:37:53.807 8636 ERROR > neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent File > "/usr/lib/python2.7/site-packages/oslo_messaging/transport.py", line 97, in > _send > 2018-01-23 17:37:53.807 8636 ERROR > neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent > timeout=timeout, retry=retry) > 2018-01-23 17:37:53.807 8636 ERROR > neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent File > "/usr/lib/python2.7/site-packages/oslo_messaging/_drivers/amqpdriver.py", > line 458, in send > 2018-01-23 17:37:53.807 8636 ERROR > neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent > retry=retry) > 2018-01-23 17:37:53.807 8636 ERROR > neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent File > "/usr/lib/python2.7/site-packages/oslo_messaging/_drivers/amqpdriver.py", > line 447, in _send > 2018-01-23 17:37:53.807 8636 ERROR > neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent result = > self._waiter.wait(msg_id, timeout) > 2018-01-23 17:37:53.807 8636 ERROR > neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent File > "/usr/lib/python2.7/site-packages/oslo_messaging/_drivers/amqpdriver.py", > line 339, in wait > 2018-01-23 17:37:53.807 8636 ERROR > neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent message = > self.waiters.get(msg_id, timeout=timeout) > 2018-01-23 17:37:53.807 8636 ERROR > neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent File > "/usr/lib/python2.7/site-packages/oslo_messaging/_drivers/amqpdriver.py", > line 238, in get > 2018-01-23 17:37:53.807 8636 ERROR > neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent 'to > message ID %s' % msg_id) > 2018-01-23 17:37:53.807 8636 ERROR > neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent > MessagingTimeout: Timed out waiting for a reply to message ID > 5907b7ced96140c693a6fb6dd0698dbc > 2018-01-23 17:37:53.807 8636 ERROR > neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent > 2018-01-23 17:37:53.808 8636 WARNING oslo.service.loopingcall [-] Function > 'neutron.plugins.ml2.drivers.openvswitch.agent.ovs_neutron_agent.OVSNeutronAgent._report_state' > run outlasted interval by 30.00 sec > 2018-01-23 17:37:59.227 8636 INFO oslo.messaging._drivers.impl_rabbit [-] > [3e7c487b-9222-4eee-b879-a7981649d49c] Reconnected to AMQP server on > 127.0.0.1:5672 via [amqp] client with port 51476. > 2018-01-23 17:37:59.270 8636 INFO oslo.messaging._drivers.impl_rabbit [-] > [a6262917-f316-43df-83fd-05af30a2b302] Reconnected to AMQP server on > 127.0.0.1:5672 via [amqp] client with port 51478. > 2018-01-23 17:37:59.308 8636 INFO oslo.messaging._drivers.impl_rabbit [-] > [99ff11c3-1662-461 > > Thanks, > Frank > At 2018-01-23 17:27:52, "Sławomir Kapłoński" <sla...@kaplonski.pl> wrote: > >Hi, > > > >If both ovs agent and neutron-server reconnect to rabbitmq then it should > >report state properly again IMO. > >Can You maybe send more details about Your issue? What OpenStack version You > >are running, exact stack trace of exception which You get and so on. > > > >— > >Best regards > >Slawek Kaplonski > >sla...@kaplonski.pl > > > > > > > >> Wiadomość napisana przez Frank Wang <wangpeihui...@126.com> w dniu > >> 23.01.2018, o godz. 10:08: > >> > >> Hi All, > >> > >> I'm really newbie about OpenStack Neutron, Please correct me if I say > >> something wrong. There was a question I'd like to consult. AMQP is the > >> messaging bus between neutron-server and *agents. we usually use rabbitmq > >> as the back-end of messaging bus. The problem I encountered is the ovs > >> agent raise an exception while reporting its own state to the server. > >> Here is my guess, If I restart the controller node, what if the rabbitmq > >> start early than neutron-server. I mean the ovs agent always trying to > >> connect to the rabbitmq. It will report state to the server through RPC > >> once the connection established. if the server is not ready at this time. > >> Does it cause the agent exception? Any suggestion would be greatly > >> appreciated! > >> > >> > >> Thanks, > >> Frank > >> > >> > >> > >> __________________________________________________________________________ > >> OpenStack Development Mailing List (not for usage questions) > >> Unsubscribe: openstack-dev-requ...@lists.openstack.org?subject:unsubscribe > >> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev > > > > > >__________________________________________________________________________ > >OpenStack Development Mailing List (not for usage questions) > >Unsubscribe: openstack-dev-requ...@lists.openstack.org?subject:unsubscribe > >http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev > > > > > __________________________________________________________________________ > OpenStack Development Mailing List (not for usage questions) > Unsubscribe: openstack-dev-requ...@lists.openstack.org?subject:unsubscribe > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev __________________________________________________________________________ OpenStack Development Mailing List (not for usage questions) Unsubscribe: openstack-dev-requ...@lists.openstack.org?subject:unsubscribe http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev