Java 프로그램 데몬 스크립트 (daemon script)

1. java
2. prog
3. jarprog
4. jarlib (참조 라이브러리)
5. jaroptions (임의)

#!/bin/sh
#
# chkconfig: 35 99 01
# description:  java application
#

java=/usr/java/default
prog=javarun
jarprog=/usr/java/apps/javarun.jar
jarlib=/usr/java/apps/lib
javaoptions=

pidfile=/var/run/${prog}.pid
logfile=/var/log/${prog}.log
lockfile=/var/lock/subsys/${prog}

cmdline="${java}/bin/java -jar ${jarprog} ${javaoptions}"
RETVAL=0

# System configuration
unset TMPDIR

if [ -f /etc/sysconfig/${prog} ]; then
  . /etc/sysconfig/${prog}
fi


# Source function library
if [ -f /etc/init.d/functions ] ; then
   . /etc/init.d/functions
elif [ -f /etc/rc.d/init.d/functions ] ; then
   . /etc/rc.d/init.d/functions
else
   exit 1
fi


start() {
    echo -n $"Starting ${prog} services: "
    daemon --pidfile=${pidfile} "${cmdline} &"
    RETVAL=$?
    pgrep -f "${jarprog}" > ${pidfile}
    echo
    [ $RETVAL -eq 0 ] && touch ${lockfile} || RETVAL=1
    return $RETVAL
}

stop() {
    echo -n $"Stopping ${prog} service: "
    killproc -p ${pidfile} ${prog}
    RETVAL=$?
    echo
    [ $RETVAL -eq 0 ] && rm -f ${lockfile} ${pidfile}
    return $RETVAL
}


case "$1" in
    start)
         start
         ;;
    stop)
         stop
         ;;
    status)
         status -p ${pidfile} ${prog}
         RETVAL=$?
         ;;
    restart)
         stop
         start
         ;;
    *)
    echo $"Usage: ${prog} {start|stop|status|restart}: "
    RETVAL=2
esac

exit $RETVAL