logstash indexer init

#!/bin/bash
# logstash indexer daemon
# chkconfig: 345 20 80
# description: logstash indexer
# processname: logstash-indexer


NICE="19"
MODE="indexer"
NAME="logstash-$MODE"
CONF="/etc/logstash/$MODE.conf"
LOG="/var/log/logstash/$NAME.log"
DAEMON="/bin/nice -n ${NICE} /usr/bin/java -jar /opt/logstash/bin/logstash.jar agent"
DAEMONOPTS="-f $CONF --log ${LOG}"

DESC="Logstash Indexer"
PIDFILE="/var/run/$NAME.pid"
SCRIPTNAME=/etc/init.d/$NAME

case "$1" in
start)
        if [ -f /var/run/$NAME.pid ]; then
           echo "$NAME is already running or $PIDFILE needs to be removed"
           ps -efww | grep `cat $PIDFILE`
           exit 1
        fi
	printf "%-50s" "Starting $NAME..."
	PID=`$DAEMON $DAEMONOPTS > /dev/null 2>&1 & echo $!`
	#echo "Saving PID" $PID " to " $PIDFILE
        if [ -z $PID ]; then
            printf "%s\n" "Fail"
        else
            echo $PID > $PIDFILE
            ps -o pid,pcpu,pmem,ni -p $PID
            printf "%s\n" "Ok"
        fi
;;
status)
        printf "%-50s" "Checking $NAME..."
        if [ -f $PIDFILE ]; then
            PID=`cat $PIDFILE`
            if [ -z "`ps axf | grep ${PID} | grep -v grep`" ]; then
                printf "%s\n" "Process dead but pidfile exists"
            else
                echo "Running"
                 ps -o pid,pcpu,pmem,ni -p $PID
            fi
        else
            printf "%s\n" "Service not running"
        fi
;;
stop)
        printf "%-50s" "Stopping $NAME"
            PID=`cat $PIDFILE`
        if [ -f $PIDFILE ]; then
            kill $PID
            printf "%s\n" "Ok"
            rm -f $PIDFILE
        else
            printf "%s\n" "pidfile not found"
        fi
;;

restart)
  	$0 stop
  	$0 start
;;

*)
        echo "Usage: $0 {status|start|stop|restart}"
        exit 1
esac