Centos jstatd init script

gistfile1.txt

#!/bin/sh
# jstatd - runs the jstat daemon
#
# chkconfig:   - 85 15
# description: Jstatd JVM monitoring
# processname: jstatd
# pidfile:     /var/run/jstatd.pid

# Source function library.
. /etc/rc.d/init.d/functions

USER=root
PID_FILE=/var/run/jstatd.pid

BIND_INTERFACE=eth0
BIND_IP=$(ifconfig $BIND_INTERFACE | grep 'inet addr:' | cut -d: -f2 | awk '{ print $1}')

PROGNAME=`basename $0`

if [ "$JAVA_HOME" == "" ]; then
    JAVA_HOME=/usr/java/latest
fi

if [ "$JSTATD_PORT" == "" ]; then
    JSTATD_PORT=1099
fi

if [ "$JSTATD_BIN" == "" ]; then
    if [ "$JAVA_HOME" != "" ]; then
        JSTATD_BIN=$JAVA_HOME/bin/jstatd
    else
        JSTATD_BIN=jstatd
    fi
fi

if ! command -v ${JSTATD_BIN} >/dev/null 2>&1; then
    echo "${JSTATD_BIN} not found or executable"
    exit 1
fi

if [ "$POLICY_FILE" == "" ]; then
    POLICY_FILE=/tmp/.jstatd.all.policy
fi

#if no policy is specifed create one
if [ ! -r ${POLICY_FILE} ]; then
cat >${POLICY_FILE} <<'EOF'
grant codebase "file:${java.home}/../lib/tools.jar" {
    permission java.security.AllPermission;
};
EOF
fi

start() {
    if test -f $PID_FILE
    then
        PID=`cat $PID_FILE`
        if  ps --pid $PID >/dev/null;
            then
                echo "$PROGNAME is already running: $PID"
                exit 0
            else
                echo "Removing stale pid file: $PID_FILE"
        fi
    fi

    echo -n "Starting $PROGNAME..."
    su $USER -c "${JSTATD_BIN} -J-DJPS_APP_ID=${JPS_APP_ID} -p $JSTATD_PORT -J-Djava.security.policy=${POLICY_FILE} -J-Djava.rmi.server.hostname=$BIND_IP -J-Djava.net.preferIPv4Stack=true &"

    if [ $? == "0" ]; then
        success
    else
        failure
    fi
    echo
    ps -U $USER -C java -o pid,cmd | grep $JSTATD_BIN | awk {'print $1 '} > $PID_FILE
}

stop() {
    if test -f $PID_FILE
    then
        echo -n "Stopping $PROGNAME..."
        PID=`cat $PID_FILE`
        su $USER -c "kill -3 $PID"
        if kill $PID ;
                then
                        sleep 2
                        test -f $PID_FILE && rm -f $PID_FILE
                        success
                else
                        echo "$PROGNAME could not be stopped..."
                        failure
                fi
    else
            echo "$PROGNAME is not running."
            failure
    fi
    echo
}

status() {
    if test -f $PID_FILE;
    then
        PID=`cat $PID_FILE`
        if [ -z "$PID" ]; then
            echo "$PROGNAME isn't running..."
            exit 1
        else
            echo "$PROGNAME is running...$PID"
            exit 0
        fi
    fi
    exit 1
}

case "$1" in
    start)
        $1
        ;;
    stop)
        $1
        ;;
    restart)
        stop
        start
        ;;
    status)
        $1
        ;;
    *)
        echo "Usage: $SELF start|stop|restart|status"
        exit 1
    ;;
esac