#! /bin/sh
### BEGIN INIT INFO
# Provides:          glances
# Required-Start:    networking
# Required-Stop:     networking
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: Start and stop the Glance server
### END INIT INFO

# Author: beudbeud@beudibox.fr

set -e

# PATH should only include /usr/* if it runs after the mountnfs.sh script
PATH=/sbin:/usr/sbin:/bin:/usr/bin
DESC="Glances server"
NAME=glances
DAEMON=/usr/bin/$NAME
DAEMON_ARGS=""
PIDFILE=/var/run/$NAME.pid
SCRIPTNAME=/etc/init.d/$NAME

# Exit if the package is not installed
[ -x "$DAEMON" ] || exit 0

# Read configuration variable file if it is present
[ -r /etc/default/$NAME ] && . /etc/default/$NAME

# Load the VERBOSE setting and other rcS variables
. /lib/init/vars.sh


# Define LSB log_* functions.
# Depend on lsb-base (>= 3.2-14) to ensure that this file is present
# and status_of_proc is working.
. /lib/lsb/init-functions

case $1 in
	start)
	if [ -e $PIDFILE ]; then
		log_daemon_msg "$NAME process was already running"
		log_end_msg 1
	else
		# Start the daemon.
		log_daemon_msg "Starting the process" "$NAME"
		# Start the daemon with the help of start-stop-daemon
		# Log the message appropriately
		if start-stop-daemon --start --quiet --oknodo --pidfile $PIDFILE -b -m --exec $DAEMON -- -s $DAEMON_ARGS; then
			log_end_msg 0
		else
			log_end_msg 1
		fi
	fi
	;;

	stop)
	# Stop the daemon.
	if [ -e $PIDFILE ]; then
		status_of_proc -p $PIDFILE $DAEMON "Stoppping the $NAME process" && status="0" || status="$?"
		if [ "$status" = 0 ]; then
			start-stop-daemon --stop --quiet --oknodo --pidfile $PIDFILE
			/bin/rm -rf $PIDFILE
		fi
	else
		log_daemon_msg "Glances process was already stopped"
		log_end_msg 1
	fi
	;;

	restart|reload)
	# Restart the daemon.
	$0 stop && sleep 2 && $0 start
	;;

	status)
	# Check the status of the process.
	if [ -e $PIDFILE ]; then
		status_of_proc -p $PIDFILE $DAEMON "$NAME process" && exit 0 || exit $?
	else
		log_daemon_msg "Glances process is not running"
		log_end_msg 1
	fi
	;;

	*)
	 # For invalid arguments, print the usage message.
	 echo "Usage: $0 {start|stop|restart|reload|status}"
	 exit 2
	 ;;
esac