The version of haproxy in the proposed pocket of Trusty that was
purported to fix this bug report has been removed because the bugs that
were to be fixed by the upload were not verified in a timely (105 days)
fashion.
** Changed in: haproxy (Ubuntu Trusty)
Status: Fix Committed => Won't Fix
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https://bugs.launchpad.net/bugs/1038139
Title:
Missing running check on init script
Status in haproxy package in Ubuntu:
Fix Released
Status in haproxy source package in Precise:
Won't Fix
Status in haproxy source package in Trusty:
Won't Fix
Status in haproxy source package in Utopic:
Fix Released
Bug description:
[Impact]
'service haproxy stop' returns 4 if haproxy was already stopped.
[Test Case]
sudo service haproxy start
sudo killall -9 haproxy
sudo service haproxy stop
echo $?
~=> this should print 0, not 4
sudo service haproxy start
sudo service haproxy stop
~=> make sure this still correctly prints 0
[Regression Potential]
if done wrongly we could further break the haproxy service stop.
[Other Info]
Hi, this is the relevant version information:
# lsb_release -rd
Description: Ubuntu 12.04 LTS
Release: 12.04
dpkg -l haproxy|tail -1
ii haproxy 1.4.18-0ubuntu1
fast and reliable load balancing reverse proxy
When I issue a stop to haproxy via the init script, on line 49 it tries to
kill the process and returns 4 in case of failure, which then after iis the
exit status of the script itself.
There are many reasons why stopping a process may fail, one of them is that
the process wasn't actually running. In that case, I think the exit status of
stop should be 0, since the process is stopped.
This caused problems in the following scenario: haproxy governed by
pacemaker if the haproxy process stops abruptly for some reason (crash,
oom-killer), pacemaker will try to stop and start it again, but it will fail to
stop (exit 4, expected 0).
To work around this, I added a check on the init script to see if the process
was running, see patch attached.
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