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https://bugs.launchpad.net/bugs/1462495
Title:
[sru] Init file does not respect the LSB spec.
Status in haproxy package in Ubuntu:
Fix Released
Status in haproxy source package in Trusty:
Fix Committed
Status in haproxy source package in Utopic:
Fix Committed
Bug description:
[Environment]
Trusty 14.04.2
[Description]
Looking in the /etc/init.d/haproxy script, particularly the stop
method, is returning 4 in case of the pidfile doesn't exists.
/bin/kill $pid || return 4.
According to the spec that means 'insufficient privileges' which is not
correct. This is causing pacemaker and other
system monitoring tools to fail because it doesn't complains with LSB.
An example:
Jun 2 12:52:13 glance02 crmd[2518]: notice: process_lrm_event:
glance02-res_glance_haproxy_monitor_5000:22 [ haproxy dead, but
/var/run/haproxy.pid exists.\n ]
Jun 2 12:52:13 glance02 crmd[2518]: notice: process_lrm_event: LRM
operation res_glance_haproxy_stop_0 (call=33, rc=4, cib-update=19,
confirmed=true) insufficient privileges
Reference:
haproxy_stop()
{
if [ ! -f $PIDFILE ] ; then
# This is a success according to LSB
return 0
fi
for pid in $(cat $PIDFILE) ; do
/bin/kill $pid || return 4
done
rm -f $PIDFILE
return 0
}
[Impact]
* Pacemaker or any other system monitoring tool that relies
on a proper exit code could fail as this doesn't complains with LSB.
[Test Case]
* Kill manually the process and then stop haproxy on Trusty/Utopic and
check exit code.
$ sudo killall -9 haproxy
$ sudo service haproxy stop | echo $?
[Regression Potential]
* If any application or shell script is relying on a wrong exit code
4 , then it could be affected by this change.
[Proposed solution]
Backport the current devel (wily) init.
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