** Changed in: keepalived (Ubuntu Xenial)
Assignee: Joshua Powers (powersj) => (unassigned)
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https://bugs.launchpad.net/bugs/1583503
Title:
keepalived fails to start when PID file is empty
Status in neutron:
Fix Released
Status in keepalived package in Ubuntu:
Fix Released
Status in keepalived source package in Trusty:
Incomplete
Status in keepalived source package in Xenial:
Incomplete
Bug description:
After a crash of a network node, we were left with empty PID files for
some keepalived processes:
root@network-node14:~# ls -l
/var/lib/neutron/ha_confs/0ab5f647-1e04-4345-ae9b-ee66c6f08882.pid
-rw-r--r-- 1 root root 0 May 19 08:41
/var/lib/neutron/ha_confs/0ab5f647-1e04-4345-ae9b-ee66c6f08882.pid
This causes the L3 agent to log the following errors repeating every
minute:
2016-05-19 08:46:44.525 13554 ERROR neutron.agent.linux.utils [-] Unable to
convert value in
/var/lib/neutron/ha_confs/0ab5f647-1e04-4345-ae9b-ee66c6f08882.pid
2016-05-19 08:46:44.526 13554 ERROR neutron.agent.linux.external_process [-]
keepalived for router with uuid 0ab5f647-1e04-4345-ae9b-ee66c6f08882 not found.
The process should not have died
2016-05-19 08:46:44.526 13554 WARNING neutron.agent.linux.external_process
[-] Respawning keepalived for uuid 0ab5f647-1e04-4345-ae9b-ee66c6f08882
2016-05-19 08:46:44.526 13554 ERROR neutron.agent.linux.utils [-] Unable to
convert value in
/var/lib/neutron/ha_confs/0ab5f647-1e04-4345-ae9b-ee66c6f08882.pid
2016-05-19 08:46:44.526 13554 ERROR neutron.agent.linux.utils [-] Unable to
convert value in
/var/lib/neutron/ha_confs/0ab5f647-1e04-4345-ae9b-ee66c6f08882.pid-vrrp
and the keepalived process fails to start. As a result, the routers
hosted by this agent are non-functional.
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