haproxy/haproxy.init

#!/bin/sh
#
# haproxy	TCP/HTTP reverse proxy for high availability environments
#
# chkconfig: - 85 15
# description: HA-Proxy is a TCP/HTTP reverse proxy which is particularly suited \
#              for high availability environments.
# processname: haproxy
# config: /etc/haproxy/haproxy.conf
# pidfile: /var/run/haproxy.pid
### BEGIN INIT INFO
# Provides:          haproxy
# Required-Start:    $local_fs $network
# Required-Stop:     $local_fs
# Default-Start:
# Default-Stop:
# Short-Description: fast and reliable load balancing reverse proxy
# Description:       This file should be used to start and stop haproxy.
### END INIT INFO

# Do not load RH compatibility interface.
WITHOUT_RC_COMPAT=1

# Source function library.
. /etc/init.d/functions

NAME=haproxy
PIDFILE=/var/run/${NAME}.pid
CONFIG=/etc/${NAME}/${NAME}.cfg
LOCKFILE=/var/lock/subsys/${NAME}
BINARY=/usr/sbin/${NAME}
RETVAL=0

check()
{
	action "Checking configuration sanity for $name: " \
		$BINARY -c -q -f ${CONFIG}
	RETVAL=$?
	return $RETVAL
}

start()
{
	check || exit
	start_daemon --pidfile "$PIDFILE" --lockfile "$LOCKFILE" --expect-user _haproxy -- $BINARY \
		-D -f ${CONFIG} -p ${PIDFILE}
	RETVAL=$?
	return $RETVAL
}

stop()
{
	stop_daemon --pidfile "$PIDFILE" --lockfile "$LOCKFILE" --expect-user _haproxy -- $BINARY
	RETVAL=$?
	return $RETVAL
}

restart()
{
	check || exit
	stop
	start
}

reload()
{
	check || exit
	msg_reloading $NAME
	$BINARY -p "$PIDFILE" -f $CONFIG -sf `cat $PIDFILE`
	RETVAL=$?
	return $RETVAL
} 

# See how we were called.
case "$1" in
	start)
		start
		;;
	stop)
		stop
		;;
	reload)
		reload
		;;
	restart)
		restart
		;;
	condstop)
		if [ -e "$LOCKFILE" ]; then
			stop
		fi
		;;
	condrestart)
		if [ -e "$LOCKFILE" ]; then
			restart
		fi
		;;
	condreload)
		if [ -e "$LOCKFILE" ]; then
			reload
		fi
		;;
	check)
		check
		;;
	status)
		status --pidfile "$PIDFILE" --expect-user _haproxy -- haproxy
		RETVAL=$?
		;;
	*)
		msg_usage "${0##*/} {start|stop|reload|restart|condstop|condrestart|condreload|status|check}"
		RETVAL=1
esac

exit $RETVAL