HAProxy boot start init file

proxy

### BEGIN INIT INFO
# Provides:          lsws
# Required-Start:    $local_fs [COLOR="Red"]$remote_fs $network[/COLOR]
# Required-Stop:     $local_fs [COLOR="Red"]$remote_fs $network[/COLOR]
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: lshttpd
# Description:       LiteSpeed Web Server is a World Wide Web server.
### END INIT INFO

PATH=/sbin:/usr/sbin:/bin:/usr/bin
PIDFILE=/var/run/haproxy.pid
CONFIG=/usr/local/haproxy/conf/haproxy.cfg
HAPROXY=/usr/local/sbin/haproxy
EXTRAOPTS=
ENABLED=0
test -x $HAPROXY || exit 0
test -f "$CONFIG" || exit 0
if [ -e /etc/default/haproxy ]; then
	. /etc/default/haproxy
fi
test "$ENABLED" != "0" || exit 0

[ -f /etc/default/rcS ] && . /etc/default/rcS
. /lib/lsb/init-functions


haproxy_start()
{
	start-stop-daemon --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
	for pid in $(cat $PIDFILE) ; do
		/bin/kill $pid || return 4
	done
	rm -f $PIDFILE
	return 0
}
haproxy_reload()
{
	$HAPROXY -f "$CONFIG" -p $PIDFILE -D $EXTRAOPTS -sf $(cat $PIDFILE) \
		|| 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 "$1" in
start)
	log_daemon_msg "Starting haproxy" "haproxy"
	haproxy_start
	ret=$?
	case "$ret" in
	0)
		log_end_msg 0
		;;
	1)
		log_end_msg 1
		echo "pid file '$PIDFILE' found, haproxy not started."
		;;
	2)
		log_end_msg 1
		;;
	esac
	exit $ret
	;;
stop)
	log_daemon_msg "Stopping haproxy" "haproxy"
	haproxy_stop
	ret=$?
	case "$ret" in
	0|1)
		log_end_msg 0
		;;
	2)
		log_end_msg 1
		;;
	esac
	exit $ret
	;;
reload|force-reload)
	log_daemon_msg "Reloading haproxy" "haproxy"
	haproxy_reload
	case "$?" in
	0|1)
		log_end_msg 0
		;;
	2)
		log_end_msg 1
		;;
	esac
	;;
restart)
	log_daemon_msg "Restarting haproxy" "haproxy"
	haproxy_stop
	haproxy_start
	case "$?" in
	0)
		log_end_msg 0
		;;
	1)
		log_end_msg 1
		;;
	2)
		log_end_msg 1
		;;
	esac
	;;
status)
	haproxy_status
	ret=$?
	case "$ret" in
	0)
		echo "haproxy is running."
		;;
	1)
		echo "haproxy dead, but $PIDFILE exists."
		;;
	*)
		echo "haproxy not running."
		;;
	esac
	exit $ret
	;;
*)
	echo "Usage: /etc/init.d/haproxy {start|stop|reload|restart|status}"
	exit 2
	;;
esac
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