#!/bin/sh

# usage: ./rc.autoscale-agent { start | stop | restart }

PRGNAM=autoscale_agentd
PRGDIR=/onapp/autoscale/

CONF=/onapp/autoscale/autoscale_agentd.conf

PIDFILE=/onapp/autoscale/pidfile
LOGFILE=/onapp/autoscale/autoscale.log

DATE=$(date +%a\ %b\ %d\ %T\ %Y)
RETVAL=0

prg_start() {
    echo -n "Starting $PRGNAM ...  "
    if [ -r ${PIDFILE} ]; then
        if $(! /sbin/pidof $PRGNAM > /dev/null 2>&1 ) ; then
            echo "Removing an old ${PIDFILE}"
            rm -f ${PIDFILE}
        fi
    fi
    su autoscale -c "${PRGDIR}${PRGNAM} -c ${CONF} >> ${LOGFILE} 2>&1"
    RETVAL=$?

    if [ $RETVAL -eq 0 ]; then
        touch /var/lock/$PRGNAM
        sleep 2
        echo "Done"
    else
        echo "Failed"
    fi
    return $RETVAL
}

prg_stop() {
    echo -n "Stopping $PRGNAM ...  "
    if [ -r ${PIDFILE} ]; then
        killall $PRGNAM
        # Give it some time to die gracefully
        for second in 0 1 2 3 4 5 6 7 8 9 10 ; do
            if $(! /sbin/pidof $PRGNAM > /dev/null 2>&1 ) ; then
                rm -f ${PIDFILE}
                break;
            fi
            sleep 1
        done

        if [ "$second" = "10" ]; then
            echo "\nWARNING: $PRGNAM did not exit!"
            sleep 1
        else
            echo "$DATE EXIT: $PRGNAM stopped by user: $USER (UID: $EUID)" >> ${LOGFILE}
            echo "Done"
        fi
    fi
    rm -f /var/lock/$PRGNAM
    return $RETVAL
}

# How were we called:
case "$1" in
    start)
        prg_start
        ;;
    stop)
        prg_stop
        ;;
    restart|reload)
        prg_stop
        # Wait a few seconds before restarting
        sleep 10
        prg_start
        ;;
    *)
        echo ""
        echo "Usage: $(basename $0) {start | stop | restart }"
        RETVAL=1
esac

exit $RETVAL
#EOF