#!/bin/bash
### BEGIN INIT INFO
# Provides:          cloud agent
# Required-Start:    $network 
# Required-Stop:     $network 
# Default-Start:     3 4 5
# Default-Stop:      0 1 2 6
# X-Interactive:     true
# Short-Description: Start/stop apache2 web server
### END INIT INFO


# WARNING: if this script is changed, then all other initscripts MUST BE changed to match it as well

. /lib/lsb/init-functions
. /etc/default/rcS

whatami=cloud-agent

# set environment variables

SHORTNAME="$whatami"
PIDFILE=@PIDDIR@/"$whatami".pid
LOCKFILE=@LOCKDIR@/"$SHORTNAME"
LOGFILE=@AGENTLOG@
PROGNAME="Cloud Agent"

unset OPTIONS
[ -r @SYSCONFDIR@/default/"$SHORTNAME" ] && source @SYSCONFDIR@/default/"$SHORTNAME"
DAEMONIZE=@BINDIR@/@PACKAGE@-daemonize
PROG=@LIBEXECDIR@/agent-runner

wait_for_network() {
    i=1
    while [ $i -lt 10 ]
    do
        if ip addr show cloudbr0 |grep -w inet > /dev/null 2>&1; then
            break
        else
            sleep 1
            let i=$i+1
            continue
        fi
    done
}

start() {
        log_daemon_msg $"Starting $PROGNAME" "$SHORTNAME"
	if [ -s "$PIDFILE" ] && kill -0 $(cat "$PIDFILE") >/dev/null 2>&1; then
	      log_progress_msg "apparently already running"
	      log_end_msg 0
	      exit 0
	fi
	if hostname --fqdn >/dev/null 2>&1 ; then
		true
	else
		log_failure_msg "The host name does not resolve properly to an IP address.  Cannot start $PROGNAME"
		log_end_msg 1
		exit 1
	fi
 
    #FIXME: wait for network
    wait_for_network

	if start-stop-daemon --start --quiet \
		--pidfile "$PIDFILE" \
		--exec "$DAEMONIZE" -- -n "$SHORTNAME" -p "$PIDFILE" -l "$LOGFILE" "$PROG" $OPTIONS
		RETVAL=$?
	    then
		rc=0
		sleep 1
		if ! kill -0 $(cat "$PIDFILE") >/dev/null 2>&1; then
		    log_failure_msg "$PROG failed to start"
		    rc=1
		fi
	else
		rc=1
	fi

	if [ $rc -eq 0 ]; then
		log_end_msg 0
	else
		log_end_msg 1
		rm -f "$PIDFILE"
	fi
}

stop() {
    SHUTDOWN_WAIT="30"
    count="0"

    echo -n $"Stopping $PROGNAME" "$SHORTNAME"
    start-stop-daemon --stop --quiet --oknodo --pidfile "$PIDFILE"

    until [ "$count" -gt "$SHUTDOWN_WAIT" ]
    do
        agentPid=`ps aux|grep [j]ava`
        if [ "$?" -gt "0" ];then
            break
        fi
        sleep 1
        let count="${count}+1"
    done

    agentPid=`ps aux|grep [j]ava`
    if [ "$?" -eq "0" ]; then
         agentPid=`ps aux|grep [j]ava|awk '{print $2}'`
         if [ "$agentPid" != "" ]; then
              kill -9 $agentPid
         fi
    fi

	log_end_msg $?
	rm -f "$PIDFILE"
}


# See how we were called.
case "$1" in
  start)
	start
	;;
  stop)
	stop
	;;
  status)
        status_of_proc -p "$PIDFILE" "$PROG" "$SHORTNAME"
	RETVAL=$?
	;;
  restart)
	stop
	sleep 3
	start
	;;
  *)
	echo $"Usage: $whatami {start|stop|restart|status|help}"
	RETVAL=3
esac

exit $RETVAL