rundeck launcher boot script

#!/bin/bash 
#
# rundeckd    Startup script for the Launcher install of RunDeck
#   paramaters:
#     - env vars: [RDECK_BASE, RDECK_PORT, RDECK_JAR]
#     - standard RDECK_PORT values: [http: 4440, https: 4434]

# RDECK_BASE must be set and exist
[ -z "$RDECK_BASE" -o ! -d "$RDECK_BASE" ] && {
    echo "RDECK_BASE not set or does not exist" ;
    exit 1 ;
}

# Source installation profile
. $RDECK_BASE/etc/profile

echo_success() {
    echo "[OK]"
    return 0
}

echo_failure() {
    echo "[FAILED]"
    return 1
}

prog="rundeckd"
launcher=${RDECK_JAR:=$RDECK_BASE/rundeck-launcher-1.0.0.jar}
rundeckd="${JAVA_HOME}/bin/java ${RDECK_JVM} -Dserver.http.port=${RDECK_PORT:=4440} -jar ${launcher}"
RETVAL=0
PID_FILE=$RDECK_BASE/var/run/rundeckd.pid
LOK_FILE=$RDECK_BASE/var/lock/subsys/$prog

[ -r "$launcher" ] || {
    echo "RDECK_JAR not found: $launcher" 
    exit 1;
}

[ -w $RDECK_BASE/var ] || {
    echo "RDECK_BASE dir not writable: $RDECK_BASE" 
    exit 1 ;
}

mkdir -p $RDECK_BASE/var/run
mkdir -p $RDECK_BASE/var/log
mkdir -p $RDECK_BASE/var/lock/subsys

start() {
    RETVAL=0
    printf "%s" "Starting $prog: "
    [ -f $LOK_FILE -a -f $PID_FILE ] && {
	echo_success; #already running
	return $RETVAL
    }
    nohup $rundeckd 2>&1 >>$RDECK_BASE/var/log/service.log &
    RETVAL=$?	
    PID=$!
    echo $PID > $PID_FILE
    if [ $RETVAL -eq 0 ]; then 
	touch $LOK_FILE
	echo_success
    else
	echo_failure
    fi
    return $RETVAL
}

stop() {
    RETVAL=0
    printf "%s" "Stopping $prog: "
    [ ! -f $PID_FILE ] && {
	echo_success; #already stopped
	return $RETVAL
    }
    PID=`cat $PID_FILE`
    RETVAL=$?
    [ -z "$PID" ] && { 
	echo_failure; #empty pid value"
	return $RETVAL;
    }
    ps -p "$PID" >/dev/null 2>&1
    if [ $? -eq 0 ]; then
	kill $PID >/dev/null 2>&1
	RETVAL=$?
	[ $RETVAL -eq 0 ] || {		
	    echo_failure; # could not kill process
	    return $RETVAL
	}
    fi
    rm -f $PID_FILE; # Remove control files
    rm -f $LOK_FILE
    echo_success
    return $RETVAL
}

status() {
    RETVAL=0
    printf "%s" "Status $prog: "
    [ -f "$PID_FILE" ] || {
	echo "$prog is stopped";
	return $RETVAL;
    }
    PID=`cat $PID_FILE`
    ps -p "$PID" >/dev/null
    RETVAL=$?
    [ $RETVAL -eq 0 ] && { 
	echo "$prog (pid $PID) is running"
    } || { 
	echo "$prog dead but pid file exists"
    }
    return $RETVAL
}

case "$1" in
    start)
	start
	;;
    stop)
	stop
	;;
    restart)
	stop
	start
	;;
    condrestart)
	if [ -f $LOK_FILE ]; then
	    stop
	    start
	fi
	;;
    status)
	status $rundeckd
	RETVAL=$?
	;;
    *)
	echo $"Usage: $0 {start|stop|restart|condrestart|status}"
	RETVAL=1
esac

exit $RETVAL