I would argue that neutron is correct in logging an error about an invalid keepalived pidfile. Being able to deal with this condition is clearly desired behaviour, but hiding the error is a separate matter and may not be a good idea.
-- You received this bug notification because you are a member of Ubuntu High Availability Team, which is subscribed to keepalived in Ubuntu. https://bugs.launchpad.net/bugs/1583503 Title: keepalived fails to start when PID file is empty Status in neutron: Confirmed Status in keepalived package in Ubuntu: Fix Released Status in keepalived source package in Trusty: Triaged Status in keepalived source package in Xenial: Triaged 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. To manage notifications about this bug go to: https://bugs.launchpad.net/neutron/+bug/1583503/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-ha Post to : [email protected] Unsubscribe : https://launchpad.net/~ubuntu-ha More help : https://help.launchpad.net/ListHelp
