Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: haproxy (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/1477221
Title:
Init script fails to stop service
Status in haproxy package in Ubuntu:
Confirmed
Bug description:
Init script fails to stop service
[Environment]
Trusty 14.04.2
[Description]
This seems to have been introduced in 1.4.24-2ubuntu0.1 as part of
https://bugs.launchpad.net/ubuntu/+source/haproxy/+bug/1462495.
The problem as far as I can see it is that Trustys start-stop-daemon
version doesn't handle --pid as expected by the init script. It only
knows --pidfile.
for pid in $(cat $PIDFILE); do
start-stop-daemon --quiet --oknodo --stop \
--retry 5 --pid $pid --exec $HAPROXY || ret=$?
done
start-stop-daemon treats the argument to --pid as a PID file and
therefore tries to open it, which fails.
Debugging output:
root@ubuntu-1404:~# ps -ef | grep haproxy | grep -v grep
haproxy 31802 1 0 16:25 ? 00:00:00 /usr/sbin/haproxy -f
/etc/haproxy/haproxy.cfg -D -p /var/run/haproxy.pid
root@ubuntu-1404:~# /etc/init.d/haproxy status
haproxy is running.
root@ubuntu-1404:~# cat /var/run/haproxy.pid
31802
root@ubuntu-1404:~# bash -x /etc/init.d/haproxy stop
...
++ cat /var/run/haproxy.pid
+ for pid in '$(cat $PIDFILE)'
+ start-stop-daemon --quiet --oknodo --stop --retry 5 --pid 31802 --exec
/usr/sbin/haproxy
+ '[' 0 -eq 0 ']'
+ rm -f /var/run/haproxy.pid
...
+ return 0
+ exit 0
root@ubuntu-1404:~# strace -f start-stop-daemon --quiet --oknodo --stop
--retry 5 --pid 31802 --exec /usr/sbin/haproxy
....
open("31802", O_RDONLY) = -1 ENOENT (No such file or
directory)
exit_group(0) = ?
+++ exited with 0 +++
root@ubuntu-1404:~#
root@ubuntu-1404:~# ps -ef | grep haproxy | grep -v grep
haproxy 31802 1 0 16:25 ? 00:00:00 /usr/sbin/haproxy -f
/etc/haproxy/haproxy.cfg -D -p /var/run/haproxy.pid
root@ubuntu-1404:~# cat /var/run/haproxy.pid
cat: /var/run/haproxy.pid: No such file or directory
root@ubuntu-1404:~#
root@ubuntu-1404:~# dpkg -l haproxy dpkg
Desired=Unknown/Install/Remove/Purge/Hold
| Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend
|/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad)
||/ Name Version
Architecture Description
+++-======================================-========================-========================-==================================================================================
ii dpkg 1.17.5ubuntu5.4 amd64
Debian package management system
ii haproxy 1.4.24-2ubuntu0.1 amd64
fast and reliable load balancing reverse proxy
root@ubuntu-1404:~#
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