solr-control.sh #2

# start/stop/restart the jetty service for solr

JAVA=$(which java)
ROOT=$(dirname $0)
TIMEOUT=30
JPORT=38983
STOP=38984
STOPKEY=stopkey
if type netcat 2> /dev/null 1> /dev/null; then
  NETCAT=$(which netcat)
elif type nc 2> /dev/null 1> /dev/null; then
  NETCAT=$(which nc)
fi
tryOnce()
{
    ${NETCAT} -z localhost $JPORT
    return $?
}

portReachable() 
{
    # wait for 1 minute, then give up
    for i in $(seq 1 60);
    do
        tryOnce
        if [ $? -eq "0" ]; then
            return 0
        else
            echo -n "."
            sleep 1
        fi
    done

    return 1
}


case "$1" in
  start)
        echo -n "Starting solr: "
        $JAVA -Xmx1G -Dsolr.solr.home=$ROOT/solr -Djetty.home=$ROOT -Djetty.port=$JPORT -DSTOP.PORT=$STOP -DSTOP.KEY=$STOPKEY -jar $ROOT/start.jar 1> /dev/null &
        sleep 1
        if portReachable
        then 
            RETVAL=0
            echo "OK"
        else
            RETVAL=1
            echo "FAILED"
        fi
        ;;
  stop)
        if tryOnce ; then 
            echo -n "Stopping solr: "
            $JAVA -Dsolr.solr.home=$ROOT/solr -Djetty.home=$ROOT -DSTOP.PORT=$STOP -DSTOP.KEY=$STOPKEY -jar $ROOT/start.jar --stop
            sleep 1

            if tryOnce ; then
              echo FAILED
            else
              echo OK
            fi
            RETVAL=$?
        else
            echo "not running"
        fi  
        ;;
  status)
        if tryOnce ; then
            echo "running"
        else
            echo "stopped"
        fi
        RETVAL=$?
        ;;
  restart)
        $0 stop
    	$0 start
        RETVAL=$?
        ;;
  *)
        echo "Usage: solr-control.sh {start|stop|status|restart}"
        exit 1
esac

exit $RETVAL