[Bug 1622715] Re: neutron-openvswitch-agent - error on startup
James Page
james.page at ubuntu.com
Mon Sep 12 20:32:28 UTC 2016
Something todo with the initial spawn of the ovsdb-monitor process:
2016-09-12 20:18:45.506 20299 DEBUG neutron.agent.linux.async_process [req-5d68e705-ef4a-449b-8150-e465fa460dbc - - - - -] Launching async process [ovsdb-client monitor Interface name,ofport,external_ids --format=json]. start /usr/lib/python2.7/dist-packages/neutron/agent/linux/async_process.py:109
2016-09-12 20:18:45.508 20299 DEBUG neutron.agent.linux.utils [req-5d68e705-ef4a-449b-8150-e465fa460dbc - - - - -] Running command: ['sudo', '/usr/bin/neutron-rootwrap', '/etc/neutron/rootwrap.conf', 'ovsdb-client', 'monitor', 'Interface', 'name,ofport,external_ids', '--format=json'] create_process /usr/lib/python2.7/dist-packages/neutron/agent/linux/utils.py:83
2016-09-12 20:18:45.602 20299 DEBUG neutron.agent.linux.utils [req-5d68e705-ef4a-449b-8150-e465fa460dbc - - - - -] Running command: ['ps', '--ppid', '20527', '-o', 'pid='] create_process /usr/lib/python2.7/dist-packages/neutron/agent/linux/utils.py:83
2016-09-12 20:18:45.922 20299 DEBUG neutron.agent.linux.utils [req-5d68e705-ef4a-449b-8150-e465fa460dbc - - - - -] Exit code: 0 execute /usr/lib/python2.7/dist-packages/neutron/agent/linux/utils.py:140
2016-09-12 20:18:45.935 20299 DEBUG neutron.agent.linux.utils [req-5d68e705-ef4a-449b-8150-e465fa460dbc - - - - -] Running command: ['ps', '--ppid', '20529', '-o', 'pid='] create_process /usr/lib/python2.7/dist-packages/neutron/agent/linux/utils.py:83
2016-09-12 20:18:46.247 20299 DEBUG neutron.agent.linux.utils [req-5d68e705-ef4a-449b-8150-e465fa460dbc - - - - -] Running command: ['ps', '--ppid', '20527', '-o', 'pid='] create_process /usr/lib/python2.7/dist-packages/neutron/agent/linux/utils.py:83
2016-09-12 20:18:46.558 20299 DEBUG neutron.agent.linux.utils [req-5d68e705-ef4a-449b-8150-e465fa460dbc - - - - -] Exit code: 0 execute /usr/lib/python2.7/dist-packages/neutron/agent/linux/utils.py:140
2016-09-12 20:18:46.563 20299 DEBUG neutron.agent.linux.utils [req-5d68e705-ef4a-449b-8150-e465fa460dbc - - - - -] Running command: ['ps', '--ppid', '20529', '-o', 'pid='] create_process /usr/lib/python2.7/dist-packages/neutron/agent/linux/utils.py:83
2016-09-12 20:18:46.835 20299 DEBUG neutron.agent.linux.utils [req-5d68e705-ef4a-449b-8150-e465fa460dbc - - - - -] Running command: ['ps', '--ppid', '20527', '-o', 'pid='] create_process /usr/lib/python2.7/dist-packages/neutron/agent/linux/utils.py:83
2016-09-12 20:18:47.183 20299 DEBUG neutron.agent.linux.utils [req-5d68e705-ef4a-449b-8150-e465fa460dbc - - - - -] Exit code: 0 execute /usr/lib/python2.7/dist-packages/neutron/agent/linux/utils.py:140
2016-09-12 20:18:47.191 20299 DEBUG neutron.agent.linux.utils [req-5d68e705-ef4a-449b-8150-e465fa460dbc - - - - -] Running command: ['ps', '--ppid', '20529', '-o', 'pid='] create_process /usr/lib/python2.7/dist-packages/neutron/agent/linux/utils.py:83
2016-09-12 20:18:47.539 20299 DEBUG neutron.agent.linux.utils [req-5d68e705-ef4a-449b-8150-e465fa460dbc - - - - -] Running command: ['ps', '--ppid', '20527', '-o', 'pid='] create_process /usr/lib/python2.7/dist-packages/neutron/agent/linux/utils.py:83
2016-09-12 20:18:47.842 20299 DEBUG neutron.agent.linux.utils [req-5d68e705-ef4a-449b-8150-e465fa460dbc - - - - -] Exit code: 0 execute /usr/lib/python2.7/dist-packages/neutron/agent/linux/utils.py:140
2016-09-12 20:18:47.847 20299 DEBUG neutron.agent.linux.utils [req-5d68e705-ef4a-449b-8150-e465fa460dbc - - - - -] Running command: ['ps', '--ppid', '20529', '-o', 'pid='] create_process /usr/lib/python2.7/dist-packages/neutron/agent/linux/utils.py:83
2016-09-12 20:18:48.131 20299 DEBUG neutron.agent.linux.utils [req-5d68e705-ef4a-449b-8150-e465fa460dbc - - - - -] Running command: ['ps', '--ppid', '20527', '-o', 'pid='] create_process /usr/lib/python2.7/dist-packages/neutron/agent/linux/utils.py:83
2016-09-12 20:18:48.455 20299 DEBUG neutron.agent.linux.utils [req-5d68e705-ef4a-449b-8150-e465fa460dbc - - - - -] Exit code: 0 execute /usr/lib/python2.7/dist-packages/neutron/agent/linux/utils.py:140
2016-09-12 20:18:48.459 20299 DEBUG neutron.agent.linux.utils [req-5d68e705-ef4a-449b-8150-e465fa460dbc - - - - -] Running command: ['ps', '--ppid', '20529', '-o', 'pid='] create_process /usr/lib/python2.7/dist-packages/neutron/agent/linux/utils.py:83
2016-09-12 20:18:48.816 20299 DEBUG neutron.agent.linux.utils [req-5d68e705-ef4a-449b-8150-e465fa460dbc - - - - -] Running command: ['ps', '--ppid', '20527', '-o', 'pid='] create_process /usr/lib/python2.7/dist-packages/neutron/agent/linux/utils.py:83
2016-09-12 20:18:49.182 20299 DEBUG neutron.agent.linux.utils [req-5d68e705-ef4a-449b-8150-e465fa460dbc - - - - -] Exit code: 0 execute /usr/lib/python2.7/dist-packages/neutron/agent/linux/utils.py:140
2016-09-12 20:18:49.187 20299 DEBUG neutron.agent.linux.utils [req-5d68e705-ef4a-449b-8150-e465fa460dbc - - - - -] Running command: ['ps', '--ppid', '20529', '-o', 'pid='] create_process /usr/lib/python2.7/dist-packages/neutron/agent/linux/utils.py:83
2016-09-12 20:18:49.459 20299 DEBUG neutron.agent.linux.utils [req-5d68e705-ef4a-449b-8150-e465fa460dbc - - - - -] Running command: ['ps', '--ppid', '20527', '-o', 'pid='] create_process /usr/lib/python2.7/dist-packages/neutron/agent/linux/utils.py:83
2016-09-12 20:18:49.746 20299 DEBUG neutron.agent.linux.utils [req-5d68e705-ef4a-449b-8150-e465fa460dbc - - - - -] Exit code: 0 execute /usr/lib/python2.7/dist-packages/neutron/agent/linux/utils.py:140
2016-09-12 20:18:49.755 20299 DEBUG neutron.agent.linux.utils [req-5d68e705-ef4a-449b-8150-e465fa460dbc - - - - -] Running command: ['ps', '--ppid', '20529', '-o', 'pid='] create_process /usr/lib/python2.7/dist-packages/neutron/agent/linux/utils.py:83
2016-09-12 20:18:50.031 20299 DEBUG neutron.agent.linux.utils [req-5d68e705-ef4a-449b-8150-e465fa460dbc - - - - -] Running command: ['ps', '--ppid', '20527', '-o', 'pid='] create_process /usr/lib/python2.7/dist-packages/neutron/agent/linux/utils.py:83
2016-09-12 20:18:50.327 20299 DEBUG neutron.agent.linux.utils [req-5d68e705-ef4a-449b-8150-e465fa460dbc - - - - -] Exit code: 0 execute /usr/lib/python2.7/dist-packages/neutron/agent/linux/utils.py:140
2016-09-12 20:18:50.331 20299 DEBUG neutron.agent.linux.utils [req-5d68e705-ef4a-449b-8150-e465fa460dbc - - - - -] Running command: ['ps', '--ppid', '20529', '-o', 'pid='] create_process /usr/lib/python2.7/dist-packages/neutron/agent/linux/utils.py:83
2016-09-12 20:18:50.592 20299 DEBUG neutron.agent.linux.utils [req-5d68e705-ef4a-449b-8150-e465fa460dbc - - - - -] Running command: ['ps', '--ppid', '20527', '-o', 'pid='] create_process /usr/lib/python2.7/dist-packages/neutron/agent/linux/utils.py:83
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https://bugs.launchpad.net/bugs/1622715
Title:
neutron-openvswitch-agent - error on startup
Status in neutron package in Ubuntu:
New
Bug description:
I've seen this a few times during setup of the n-ovs-agent process on
network nodes (n-gateway) in juju deployments on OpenStack Newton B3+
on Xenial:
2016-09-12 14:41:45.565 20629 WARNING stevedore.named [req-3762dc49-86d7-406b-81fb-5b068416abf9 - - - - -] Could not load neutron.agent.linux.iptables_firewall.OVSHybridIptablesFirewallDriver
2016-09-12 14:41:56.447 20629 ERROR ryu.lib.hub [req-5c9cbccf-7bcb-4c1f-a954-69202bfbcd56 - - - - -] hub: uncaught exception: Traceback (most recent call last):
File "/usr/lib/python2.7/dist-packages/ryu/lib/hub.py", line 52, in _launch
func(*args, **kwargs)
File "/usr/lib/python2.7/dist-packages/neutron/plugins/ml2/drivers/openvswitch/agent/openflow/native/ovs_ryuapp.py", line 35, in agent_main_wrapper
ovs_agent.main(bridge_classes)
File "/usr/lib/python2.7/dist-packages/neutron/plugins/ml2/drivers/openvswitch/agent/ovs_neutron_agent.py", line 2175, in main
agent.daemon_loop()
File "/usr/lib/python2.7/dist-packages/osprofiler/profiler.py", line 154, in wrapper
return f(*args, **kwargs)
File "/usr/lib/python2.7/dist-packages/neutron/plugins/ml2/drivers/openvswitch/agent/ovs_neutron_agent.py", line 2094, in daemon_loop
self.ovsdb_monitor_respawn_interval) as pm:
File "/usr/lib/python2.7/contextlib.py", line 17, in __enter__
return self.gen.next()
File "/usr/lib/python2.7/dist-packages/neutron/agent/linux/polling.py", line 35, in get_polling_manager
pm.start()
File "/usr/lib/python2.7/dist-packages/neutron/agent/linux/polling.py", line 57, in start
self._monitor.start(block=True)
File "/usr/lib/python2.7/dist-packages/neutron/agent/linux/ovsdb_monitor.py", line 117, in start
while not self.is_active():
File "/usr/lib/python2.7/dist-packages/neutron/agent/linux/async_process.py", line 100, in is_active
self.pid, self.cmd_without_namespace)
File "/usr/lib/python2.7/dist-packages/neutron/agent/linux/async_process.py", line 159, in pid
run_as_root=self.run_as_root)
File "/usr/lib/python2.7/dist-packages/neutron/agent/linux/utils.py", line 234, in get_root_helper_child_pid
pid = find_child_pids(pid)[0]
File "/usr/lib/python2.7/dist-packages/neutron/agent/linux/utils.py", line 167, in find_child_pids
log_fail_as_error=False)
File "/usr/lib/python2.7/dist-packages/neutron/agent/linux/utils.py", line 118, in execute
_stdout, _stderr = obj.communicate(_process_input)
File "/usr/lib/python2.7/subprocess.py", line 800, in communicate
return self._communicate(input)
File "/usr/lib/python2.7/subprocess.py", line 1437, in _communicate
self.wait()
File "/usr/lib/python2.7/dist-packages/eventlet/green/subprocess.py", line 87, in wait
eventlet.sleep(check_interval)
File "/usr/lib/python2.7/dist-packages/eventlet/greenthread.py", line 34, in sleep
hub.switch()
File "/usr/lib/python2.7/dist-packages/eventlet/hubs/hub.py", line 294, in switch
return self.greenlet.switch()
Timeout: 5 seconds
Something is spinning - not sure what; the agent is non-responsive and
needs a restart to get things working.
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