启动jar包脚本并记录日志

#!/bin/bash
# 定义变量
# 要运行的jar包路径,加不加引号都行。 注意:等号两边 不能 有空格,否则会提示command找不到
JAR_NAME="/xxx/xxx/xxx/xxx.war"
# 日志路径,加不加引号都行。 注意:等号两边 不能 有空格,否则会提示command找不到
LOG_PATh=/export/Logs/main.log
 
 
# 如果输入格式不对,给出提示!
tips() {
	echo ""
	echo "WARNING!!!......Tips, please use command: sh auto_deploy.sh [start|stop|restart|status].   For example: sh auto_deploy.sh start  "
	echo ""
	exit 1
}
 
 
# 启动方法
start() {
        # 重新获取一下pid,因为其它操作如stop会导致pid的状态更新
	pid=`ps -ef | grep $JAR_NAME | grep -v grep | awk '{print $2}'`
        # -z 表示如果$pid为空时执行
	if [ -z $pid ]; then
        nohup java -jar $JAR_NAME > /dev/null 2>&1 &
        pid=`ps -ef | grep $JAR_NAME | grep -v grep | awk '{print $2}'`
		echo ""
        echo "Service ${JAR_NAME} is starting!pid=${pid}"
		echo "........................Here is the log.............................."
		echo "....................................................................."
        tail -f $LOG_PATh
		echo "........................Start successfully!........................."
	else
		echo ""
		echo "Service ${JAR_NAME} is already running,it's pid = ${pid}. If necessary, please use command: sh auto_deploy.sh restart."
		echo ""
	fi
}
 
# 停止方法
stop() {
		# 重新获取一下pid,因为其它操作如start会导致pid的状态更新
	pid=`ps -ef | grep $JAR_NAME | grep -v grep | awk '{print $2}'`
        # -z 表示如果$pid为空时执行。 注意:每个命令和变量之间一定要前后加空格,否则会提示command找不到
	if [ -z $pid ]; then
		echo ""
        echo "Service ${JAR_NAME} is not running! It's not necessary to stop it!"
		echo ""
	else
		kill -9 $pid
		echo ""
		echo "Service stop successfully!pid:${pid} which has been killed forcibly!"
		echo ""
	fi
}
 
# 输出运行状态方法
status() {
        # 重新获取一下pid,因为其它操作如stop、restart、start等会导致pid的状态更新
	pid=`ps -ef | grep $JAR_NAME | grep -v grep | awk '{print $2}'`
        # -z 表示如果$pid为空时执行。注意:每个命令和变量之间一定要前后加空格,否则会提示command找不到
	if [ -z $pid ];then
		echo ""
        echo "Service ${JAR_NAME} is not running!"
		echo ""
	else
		echo ""
        echo "Service ${JAR_NAME} is running. It's pid=${pid}"
		echo ""
	fi
}
 
# 重启方法
restart() {
	echo ""
	echo ".............................Restarting.............................."
	echo "....................................................................."
		# 重新获取一下pid,因为其它操作如start会导致pid的状态更新
	pid=`ps -ef | grep $JAR_NAME | grep -v grep | awk '{print $2}'`
        # -z 表示如果$pid为空时执行。 注意:每个命令和变量之间一定要前后加空格,否则会提示command找不到
	if [ ! -z $pid ]; then
		kill -9 $pid
	fi
	start
	echo "....................Restart successfully!..........................."
}
 
# 根据输入参数执行对应方法,不输入则执行tips提示方法
case "$1" in
   "start")
     start
     ;;
   "stop")
     stop
     ;;
   "status")
     status
     ;;
   "restart")
     restart
     ;;
   *)
     tips
     ;;
esac

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