java启动脚本

shell启动脚本，用于启动jar包

#! /bin/bash

##java env
export JAVA_HOME=$JAVA_HOME
export JRE_HOME=$JAVA_HOME/jre

##service name
APP_NAME=odps-plugin
VERSION='1.0'

SERVICE_DIR=/opt/muxin.sun/$APP_NAME
SERVICE_NAME=com-qxwz-ops-report-$APP_NAME
JAR_NAME=$SERVICE_NAME-$VERSION\.jar
PID=$SERVICE_NAME\.pid

##entry dir
cd $SERVICE_DIR

##mkdir logs
mkdir -p logs

case "$1" in
    start)
        P_ID=`ps -ef | grep -w "$SERVICE_NAME" | grep -v "grep" | awk '{print $2}'`
        if [ "$P_ID" == "" ]; then
            nohup $JRE_HOME/bin/java -Xms512m -Xmx1024m -jar $JAR_NAME > logs/odps.log 2>&1 &
            echo $1 >$SERVICE_DIR/$PID
            echo "===== start $SERVICE_NAME"
        else
            echo "======= $SERVER_NAME process exits"
        fi
        ;;
    
    stop)
        rm -rf $SERVICE_DIR/$PID
        echo "====== stop $SERVICE_NAME"

        sleep 5
        P_ID=`ps -ef | grep -w "$SERVICE_NAME" | grep -v "grep" | awk '{print $2}'`
        if [ "$P_ID" == "" ]; then
            echo "======= $SERVER_NAME process not exits or stop success"
        else
            echo "======= $SERVER_NAME process pid is:$P_ID"
            echo "======= begin kill $SERVER_NAME process, pid is :$P_ID"
            kill -9 $P_ID
        fi
        ;;


    restart)
        $0 stop
        sleep 2
        $0 start
        echo "======= restart $SERVER_NAME"
        ;;
    *)
        ##restart
        echo "====== Unrecognized Command"  
    esac
    exit 0

## END