Parsoid Node Server init.d script

    #!/bin/sh
     
    #
    # chkconfig: 35 99 99
    # description: Node.js /opt/services/parsoid/api/server.js
    #
     
    . /etc/rc.d/init.d/functions
     
    USER="parsoid"
     
    DAEMON="/usr/bin/node"
    ROOT_DIR="/opt/services/parsoid/api"
     
    SERVER="$ROOT_DIR/server.js"
    LOG_FILE="$ROOT_DIR/server.js.log"
     
    LOCK_FILE="/var/lock/subsys/node-server"
     
    do_start()
    {
            if [ ! -f "$LOCK_FILE" ] ; then
                    echo -n $"Starting $SERVER: "
                    runuser -l "$USER" -c "$DAEMON $SERVER >> $LOG_FILE &" && echo_success || echo_failure
                    RETVAL=$?
                    echo
                    [ $RETVAL -eq 0 ] && touch $LOCK_FILE
            else
                    echo "$SERVER is locked."
                    RETVAL=1
            fi
    }
    do_stop()
    {
            echo -n $"Stopping $SERVER: "
            pid=`ps -aefw | grep "$DAEMON $SERVER" | grep -v " grep " | awk '{print $2}'`
            kill -9 $pid > /dev/null 2>&1 && echo_success || echo_failure
            RETVAL=$?
            echo
            [ $RETVAL -eq 0 ] && rm -f $LOCK_FILE
    }
     
    case "$1" in
            start)
                    do_start
                    ;;
            stop)
                    do_stop
                    ;;
            restart)
                    do_stop
                    do_start
                    ;;
            *)
                    echo "Usage: $0 {start|stop|restart}"
                    RETVAL=1
    esac
     
    exit $RETVAL