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#!/bin/sh
### BEGIN INIT INFO
# Provides: haproxy
# Required-Start: $local_fs $network $remote_fs $syslog $named
# Required-Stop: $local_fs $remote_fs $syslog $named
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
# Short-Description: fast and reliable load balancing reverse proxy
# Description: This file should be used to start and stop haproxy.
### END INIT INFO
# Author: Arnaud Cornet <acornet@debian.org>
PATH=/sbin:/usr/sbin:/bin:/usr/bin
BASENAME=haproxy
PIDFILE=/var/run/${BASENAME}.pid
CONFIG=/etc/${BASENAME}/${BASENAME}.cfg
HAPROXY=/usr/sbin/haproxy
RUNDIR=/run/${BASENAME}
EXTRAOPTS=
test -x $HAPROXY || exit 0
if [ -e /etc/default/${BASENAME} ]; then
. /etc/default/${BASENAME}
fi
test -f "$CONFIG" || exit 0
[ -f /etc/default/rcS ] && . /etc/default/rcS
. /lib/lsb/init-functions
check_haproxy_config()
{
$HAPROXY -c -f "$CONFIG" $EXTRAOPTS >/dev/null
if [ $? -eq 1 ]; then
log_end_msg 1
exit 1
fi
}
haproxy_start()
{
[ -d "$RUNDIR" ] || mkdir "$RUNDIR"
chown haproxy:haproxy "$RUNDIR"
chmod 2775 "$RUNDIR"
check_haproxy_config
start-stop-daemon --quiet --oknodo --start --pidfile "$PIDFILE" \
--exec $HAPROXY -- -f "$CONFIG" -D -p "$PIDFILE" \
$EXTRAOPTS || return 2
return 0
}
haproxy_stop()
{
if [ ! -f $PIDFILE ] ; then
# This is a success according to LSB
return 0
fi
ret=0
tmppid="$(mktemp)"
# HAProxy's pidfile may contain multiple PIDs, if nbproc > 1, so loop
# over each PID. Note that start-stop-daemon has a --pid option, but it
# was introduced in dpkg 1.17.6, post wheezy, so we use a temporary
# pidfile instead to ease backports.
for pid in $(cat $PIDFILE); do
echo "$pid" > "$tmppid"
start-stop-daemon --quiet --oknodo --stop \
--retry 5 --pidfile "$tmppid" --exec $HAPROXY || ret=$?
done
rm -f "$tmppid"
[ $ret -eq 0 ] && rm -f $PIDFILE
return $ret
}
haproxy_reload()
{
check_haproxy_config
$HAPROXY -f "$CONFIG" -p $PIDFILE -sf $(cat $PIDFILE) -D $EXTRAOPTS \
|| return 2
return 0
}
haproxy_status()
{
if [ ! -f $PIDFILE ] ; then
# program not running
return 3
fi
for pid in $(cat $PIDFILE) ; do
if ! ps --no-headers p "$pid" | grep haproxy > /dev/null ; then
# program running, bogus pidfile
return 1
fi
done
return 0
}
case "$1" in
start)
log_daemon_msg "Starting haproxy" "${BASENAME}"
haproxy_start
ret=$?
case "$ret" in
0)
log_end_msg 0
;;
1)
log_end_msg 1
echo "pid file '$PIDFILE' found, ${BASENAME} not started."
;;
2)
log_end_msg 1
;;
esac
exit $ret
;;
stop)
log_daemon_msg "Stopping haproxy" "${BASENAME}"
haproxy_stop
ret=$?
case "$ret" in
0|1)
log_end_msg 0
;;
2)
log_end_msg 1
;;
esac
exit $ret
;;
reload|force-reload)
log_daemon_msg "Reloading haproxy" "${BASENAME}"
haproxy_reload
ret=$?
case "$ret" in
0|1)
log_end_msg 0
;;
2)
log_end_msg 1
;;
esac
exit $ret
;;
restart)
log_daemon_msg "Restarting haproxy" "${BASENAME}"
haproxy_stop
haproxy_start
ret=$?
case "$ret" in
0)
log_end_msg 0
;;
1)
log_end_msg 1
;;
2)
log_end_msg 1
;;
esac
exit $ret
;;
status)
haproxy_status
ret=$?
case "$ret" in
0)
echo "${BASENAME} is running."
;;
1)
echo "${BASENAME} dead, but $PIDFILE exists."
;;
*)
echo "${BASENAME} not running."
;;
esac
exit $ret
;;
*)
echo "Usage: /etc/init.d/${BASENAME} {start|stop|reload|restart|status}"
exit 2
;;
esac
:
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