app.sh

app.sh

#!/bin/bash
## blog:www.cnbuilder.cn
## create 2019-04-30
version="5.2.1";

appName=$2
if [ -z $appName ];then
	appName=`ls -t |grep .jar$ |head -n1`
fi

## 后台启动项目 自动生成 catalina.log日志文件
function start()
{
	count=`ps -ef |grep java|grep $appName|wc -l`
	if [ $count != 0 ];then
		echo "Maybe $appName is running, please check it..."
	else
		echo "The $appName is starting..."
		nohup java -jar ./$appName -XX:+UseG1GC -XX:+HeapDumpOnOutOfMemoryError -Xms512M -Xmx4G > catalina.log 2>&1 &
	fi
}
## 停止项目
function stop()
{
	appId=`ps -ef |grep java|grep $appName|awk '{print $2}'`
	if [ -z $appId ];then
		echo "Maybe $appName not running, please check it..."
	else
		echo "The $appName is stopping..."
		kill $appId
	fi
}
##重启项目(平滑启动)
function restart()
{
	# get release version
	releaseApp=`ls -t |grep .jar$ |head -n1`

	# get last version 
	lastVersionApp=`ls -t |grep .jar$ |head -n2 |tail -n1`

	appName=$lastVersionApp
	stop
	for i in {5..1}
	do
		echo -n "$i "
		sleep 1
	done
	echo 0

	backup

	appName=$releaseApp
	start
}

function backup() 
{
	# get backup version
	backupApp=`ls |grep -wv $releaseApp$ |grep .jar$`

	# create backup dir
	if [ ! -d "backup" ];then
		mkdir backup
	fi

	# backup
	for i in ${backupApp[@]}
	do
		echo "backup" $i
		mv $i backup
	done
}

## 查看项目当前状态 
function status()
{
	appId=`ps -ef |grep java|grep $appName|awk '{print $2}'`
	if [ -z $appId ] 
	then
		echo -e "\033[31m Not running \033[0m" 
	else
		echo -e "\033[32m Running [$appId] \033[0m" 
	fi
}


function usage()
{
	echo "Usage: $0 {start|stop|restart|status|stop -f}"
	echo "Example: $0 start"
	exit 1
}

case $1 in
	start)
	start;;

	stop)
	stop;;

	restart)
	restart;;

	status)
	status;;

	*)
	usage;;
esac