Pragmatic CreativitySoftware Systems Design and Development in Detail

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

#Test root privilages
RETVAL=$?
test $EUID = 0  || exit 4

CATALINA_HOME=/home/supersite/tomcat7
JAVA_HOME=/usr/lib/jvm/jdk1.6.0_24
TOMCAT_OWNER=supersite
CATALINA_PID=$CATALINA_HOME/bin/tomcat.pid

export CATALINA_HOME
export JAVA_HOME
export TOMCAT_OWNER
export CATALINA_PID

start() {
        rm -f $CATALINA_PID
        echo -n "Starting Tomcat for $TOMCAT_OWNER:  "
        su $TOMCAT_OWNER -c $CATALINA_HOME/bin/startup.sh
        sleep 2
}

stop() {
        echo -n "Stopping Tomcat for $TOMCAT_OWNER: "
        su $TOMCAT_OWNER -c $CATALINA_HOME/bin/shutdown.sh
}
restart() {
        # Restart
        stop
        echo "Sleeping for 20 seconds …"
        sleep 20
        start
}

status() {
    RETVAL="1"
    if [ -f "${CATALINA_PID}" ]; then
        read kpid < $CATALINA_PID
        if checkpid $kpid 2>&1; then
            echo "$0 is already running (${kpid})"
            RETVAL="0"
        else
            echo "lock file found but no process running for pid $kpid"
        fi
    else
        pid="$(pgrep -u ${TOMCAT_OWNER} java)"
        if [ -n "$pid" ]; then
            echo "$0 running (${pid}) but no PID file exists"
            RETVAL="0"
        else
            echo "$0 is stopped"
        fi
    fi
    return $RETVAL
}

# See how we were called.
case "$1" in
  start)
        start
        ;;
  stop)
        stop
        ;;
  restart)
        restart
        ;;
  status)
        status
        ;;
  version)
        parseOptions
        "${JAVA_HOME}/bin/java" \
            -classpath "${CATALINA_HOME}/server/lib/catalina.jar" \
            org.apache.catalina.util.ServerInfo
        ;;
  *)
        echo $"Usage: tomcat {start|stop|restart}"
        exit 1
esac

exit $RETVAL