tools/services/ubuntu/daemon_service

#!/bin/bash
# --------------------------------------------------------------
#
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements.  See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership.  The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License.  You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied.  See the License for the
# specific language governing permissions and limitations
# under the License.
#
# --------------------------------------------------------------
# This service script will be executed to start the servers.
# --------------------------------------------------------------
#

USER=""					      #eg: ubuntu
PRODUCT_CODE=""                               #eg: CEP
CARBON_HOME=""                                #eg: /mnt/10.0.0.1/wso2esb-4.9.0
LOCK_FILE="${CARBON_HOME}/wso2carbon.lck"
PID_FILE="${CARBON_HOME}/wso2carbon.pid"
CMD=""        				      #eg: ${CARBON_HOME}/bin/wso2server.sh
JAVA_HOME=""				      #eg: /usr/java/default

export JAVA_HOME=$JAVA_HOME

# Status the service
status() {
	if [ -f $PID_FILE ]
	    then
		PID=`cat $PID_FILE`
		ps -fp $PID > /dev/null 2>&1
		PIDVAL=$?
	    else
		PIDVAL=3
	fi

	if [ $PIDVAL -eq 0 ]
	    then
		echo "WSO2 $PRODUCT_CODE server is running ..."
	    else
		echo "WSO2 $PRODUCT_CODE server is stopped."
	fi
	return $PIDVAL
}

# Start the service
start() {
	if [ -f $PID_FILE ]
	    then
		PID=`cat $PID_FILE`
		ps -fp $PID > /dev/null 2>&1
		PIDVAL=$?
	    else
		PIDVAL=3
	fi

	if [ $PIDVAL -eq 0 ]
	    then
	       echo "WSO2 $PRODUCT_CODE server is running ..."
	    else
	       echo -n "Starting WSO2 $PRODUCT_CODE server: "
	       touch $LOCK_FILE
	       su - $USER -c "$CMD start > /dev/null 2>&1 &"
	       sleep 5
	       if [ -f $PID_FILE ]
		   then
			PID=`cat $PID_FILE`
			ps -fp $PID > /dev/null 2>&1
			PIDVAL=$?
			if [ $PIDVAL -eq 0 ]
			    then
				echo "success"
			    else
				echo "failure"
			fi
		   else
			echo "failure"
			PIDVAL=2
	       fi
	fi
	echo
	return $PIDVAL
}

# Restart the service
restart() {
	echo -n "Restarting WSO2 $PRODUCT_CODE server: "
	touch $LOCK_FILE
	su - $USER -c "$CMD restart > /dev/null 2>&1 &"
	sleep 15
	if [ -f $PID_FILE ]
	    then
		PID=`cat $PID_FILE`
		ps -fp $PID > /dev/null 2>&1
		PIDVAL=$?
		if [ $PIDVAL -eq 0 ]
		    then
			echo "success"
		    else
			echo "failure"
		fi
	    else
		echo "failure"
		PIDVAL=2
	fi
	echo
	return $PIDVAL
}

# Stop the service
stop() {
	if [ -f $PID_FILE ]
	    then
		PID=`cat $PID_FILE`
		ps -fp $PID > /dev/null 2>&1
		PIDVAL=$?
		if [ $PIDVAL -eq 0 ]
		    then
			echo -n "Stopping WSO2 $PRODUCT_CODE server: "
			su - $USER -c "$CMD stop > /dev/null 2>&1 &"
			rm -f $LOCK_FILE
			sleep 10
			PID=`cat $PID_FILE`
			ps -fp $PID > /dev/null 2>&1
			PIDVAL=$?
			if [ $PIDVAL -eq 0 ]
			    then
				echo "failure"
				PIDVAL=2
			    else
				echo "success"
				PIDVAL=0
			fi
		    else
		       echo "WSO2 $PRODUCT_CODE server is not running."
		       PIDVAL=0
		fi
	    else
	       echo "WSO2 $PRODUCT_CODE server is not running."
	       PIDVAL=0
	fi
	echo
	return $PIDVAL
}

### main logic ###
case "$1" in
start)
    start
    ;;
stop)
    stop
    ;;
status)
    status
    ;;
restart|reload|condrestart)
    restart
    ;;
*)
   echo $"Usage: $0 {start|stop|restart|reload|status}"
   exit 1
esac
exit $?