Public bug reported:
17:39:17.802 6173 CRITICAL neutron [-] AssertionError: do not call blocking
functions from the mainloop
17:39:17.802 6173 ERROR neutron Traceback (most recent call last):
17:39:17.802 6173 ERROR neutron File
"/opt/stack/neutron/.tox/dsvm-functional/bin/neutron-keepalived-state-change",
line 10, in <module>
17:39:17.802 6173 ERROR neutron sys.exit(main())
17:39:17.802 6173 ERROR neutron File
"/opt/stack/neutron/neutron/cmd/keepalived_state_change.py", line 19, in main
17:39:17.802 6173 ERROR neutron keepalived_state_change.main()
17:39:17.802 6173 ERROR neutron File
"/opt/stack/neutron/neutron/agent/l3/keepalived_state_change.py", line 157, in
main
17:39:17.802 6173 ERROR neutron cfg.CONF.monitor_cidr).start()
17:39:17.802 6173 ERROR neutron File
"/opt/stack/neutron/neutron/agent/linux/daemon.py", line 249, in start
17:39:17.802 6173 ERROR neutron self.run()
17:39:17.802 6173 ERROR neutron File
"/opt/stack/neutron/neutron/agent/l3/keepalived_state_change.py", line 70, in
run
17:39:17.802 6173 ERROR neutron for iterable in self.monitor:
17:39:17.802 6173 ERROR neutron File
"/opt/stack/neutron/neutron/agent/linux/async_process.py", line 256, in
_iter_queue
17:39:17.802 6173 ERROR neutron yield queue.get(block=block)
17:39:17.802 6173 ERROR neutron File
"/opt/stack/neutron/.tox/dsvm-functional/lib/python2.7/site-packages/eventlet/queue.py",
line 313, in get
17:39:17.802 6173 ERROR neutron return waiter.wait()
17:39:17.802 6173 ERROR neutron File
"/opt/stack/neutron/.tox/dsvm-functional/lib/python2.7/site-packages/eventlet/queue.py",
line 141, in wait
17:39:17.802 6173 ERROR neutron return get_hub().switch()
17:39:17.802 6173 ERROR neutron File
"/opt/stack/neutron/.tox/dsvm-functional/lib/python2.7/site-packages/eventlet/hubs/hub.py",
line 294, in switch
17:39:17.802 6173 ERROR neutron return self.greenlet.switch()
17:39:17.802 6173 ERROR neutron File
"/opt/stack/neutron/.tox/dsvm-functional/lib/python2.7/site-packages/eventlet/hubs/hub.py",
line 346, in run
17:39:17.802 6173 ERROR neutron self.wait(sleep_time)
17:39:17.802 6173 ERROR neutron File
"/opt/stack/neutron/.tox/dsvm-functional/lib/python2.7/site-packages/eventlet/hubs/poll.py",
line 85, in wait
17:39:17.802 6173 ERROR neutron presult = self.do_poll(seconds)
17:39:17.802 6173 ERROR neutron File
"/opt/stack/neutron/.tox/dsvm-functional/lib/python2.7/site-packages/eventlet/hubs/epolls.py",
line 62, in do_poll
17:39:17.802 6173 ERROR neutron return self.poll.poll(seconds)
17:39:17.802 6173 ERROR neutron File
"/opt/stack/neutron/neutron/agent/l3/keepalived_state_change.py", line 134, in
handle_sigterm
17:39:17.802 6173 ERROR neutron self._kill_monitor()
17:39:17.802 6173 ERROR neutron File
"/opt/stack/neutron/neutron/agent/l3/keepalived_state_change.py", line 131, in
_kill_monitor
17:39:17.802 6173 ERROR neutron run_as_root=True)
17:39:17.802 6173 ERROR neutron File
"/opt/stack/neutron/neutron/agent/linux/utils.py", line 221, in kill_process
17:39:17.802 6173 ERROR neutron execute(['kill', '-%d' % signal, pid],
run_as_root=run_as_root)
17:39:17.802 6173 ERROR neutron File
"/opt/stack/neutron/neutron/agent/linux/utils.py", line 155, in execute
17:39:17.802 6173 ERROR neutron greenthread.sleep(0)
17:39:17.802 6173 ERROR neutron File
"/opt/stack/neutron/.tox/dsvm-functional/lib/python2.7/site-packages/eventlet/greenthread.py",
line 31, in sleep
17:39:17.802 6173 ERROR neutron assert hub.greenlet is not current, 'do not
call blocking functions from the mainloop'
17:39:17.802 6173 ERROR neutron AssertionError: do not call blocking functions
from the mainloop
17:39:17.802 6173 ERROR neutron
This is what I see when running fullstack l3ha tests, once I enable
syslog logging for the helper process.
** Affects: neutron
Importance: Undecided
Status: New
** Tags: functional-tests l3-ha
** Tags added: l3-ha
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https://bugs.launchpad.net/bugs/1680183
Title:
neutron-keepalived-state-change fails with "AssertionError: do not
call blocking functions from the mainloop" in functional tests
Status in neutron:
New
Bug description:
17:39:17.802 6173 CRITICAL neutron [-] AssertionError: do not call blocking
functions from the mainloop
17:39:17.802 6173 ERROR neutron Traceback (most recent call last):
17:39:17.802 6173 ERROR neutron File
"/opt/stack/neutron/.tox/dsvm-functional/bin/neutron-keepalived-state-change",
line 10, in <module>
17:39:17.802 6173 ERROR neutron sys.exit(main())
17:39:17.802 6173 ERROR neutron File
"/opt/stack/neutron/neutron/cmd/keepalived_state_change.py", line 19, in main
17:39:17.802 6173 ERROR neutron keepalived_state_change.main()
17:39:17.802 6173 ERROR neutron File
"/opt/stack/neutron/neutron/agent/l3/keepalived_state_change.py", line 157, in
main
17:39:17.802 6173 ERROR neutron cfg.CONF.monitor_cidr).start()
17:39:17.802 6173 ERROR neutron File
"/opt/stack/neutron/neutron/agent/linux/daemon.py", line 249, in start
17:39:17.802 6173 ERROR neutron self.run()
17:39:17.802 6173 ERROR neutron File
"/opt/stack/neutron/neutron/agent/l3/keepalived_state_change.py", line 70, in
run
17:39:17.802 6173 ERROR neutron for iterable in self.monitor:
17:39:17.802 6173 ERROR neutron File
"/opt/stack/neutron/neutron/agent/linux/async_process.py", line 256, in
_iter_queue
17:39:17.802 6173 ERROR neutron yield queue.get(block=block)
17:39:17.802 6173 ERROR neutron File
"/opt/stack/neutron/.tox/dsvm-functional/lib/python2.7/site-packages/eventlet/queue.py",
line 313, in get
17:39:17.802 6173 ERROR neutron return waiter.wait()
17:39:17.802 6173 ERROR neutron File
"/opt/stack/neutron/.tox/dsvm-functional/lib/python2.7/site-packages/eventlet/queue.py",
line 141, in wait
17:39:17.802 6173 ERROR neutron return get_hub().switch()
17:39:17.802 6173 ERROR neutron File
"/opt/stack/neutron/.tox/dsvm-functional/lib/python2.7/site-packages/eventlet/hubs/hub.py",
line 294, in switch
17:39:17.802 6173 ERROR neutron return self.greenlet.switch()
17:39:17.802 6173 ERROR neutron File
"/opt/stack/neutron/.tox/dsvm-functional/lib/python2.7/site-packages/eventlet/hubs/hub.py",
line 346, in run
17:39:17.802 6173 ERROR neutron self.wait(sleep_time)
17:39:17.802 6173 ERROR neutron File
"/opt/stack/neutron/.tox/dsvm-functional/lib/python2.7/site-packages/eventlet/hubs/poll.py",
line 85, in wait
17:39:17.802 6173 ERROR neutron presult = self.do_poll(seconds)
17:39:17.802 6173 ERROR neutron File
"/opt/stack/neutron/.tox/dsvm-functional/lib/python2.7/site-packages/eventlet/hubs/epolls.py",
line 62, in do_poll
17:39:17.802 6173 ERROR neutron return self.poll.poll(seconds)
17:39:17.802 6173 ERROR neutron File
"/opt/stack/neutron/neutron/agent/l3/keepalived_state_change.py", line 134, in
handle_sigterm
17:39:17.802 6173 ERROR neutron self._kill_monitor()
17:39:17.802 6173 ERROR neutron File
"/opt/stack/neutron/neutron/agent/l3/keepalived_state_change.py", line 131, in
_kill_monitor
17:39:17.802 6173 ERROR neutron run_as_root=True)
17:39:17.802 6173 ERROR neutron File
"/opt/stack/neutron/neutron/agent/linux/utils.py", line 221, in kill_process
17:39:17.802 6173 ERROR neutron execute(['kill', '-%d' % signal, pid],
run_as_root=run_as_root)
17:39:17.802 6173 ERROR neutron File
"/opt/stack/neutron/neutron/agent/linux/utils.py", line 155, in execute
17:39:17.802 6173 ERROR neutron greenthread.sleep(0)
17:39:17.802 6173 ERROR neutron File
"/opt/stack/neutron/.tox/dsvm-functional/lib/python2.7/site-packages/eventlet/greenthread.py",
line 31, in sleep
17:39:17.802 6173 ERROR neutron assert hub.greenlet is not current, 'do
not call blocking functions from the mainloop'
17:39:17.802 6173 ERROR neutron AssertionError: do not call blocking
functions from the mainloop
17:39:17.802 6173 ERROR neutron
This is what I see when running fullstack l3ha tests, once I enable
syslog logging for the helper process.
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