restart spring boot jar

service.sh

#!/bin/bash
## Author LinkinStar,liuyuyu
## UPDATE 2019-01-05
version="1.0.1";

jarName=$2
appName=jarName
apolloMeta=http://172.20.5.103:8080

projectDir=/home/liuyuyu/data/web/$jarName
cd $projectDir

if [ -z $jarName ];then
    jarName=`ls -t |grep .jar$ |head -n1`
    jarName=${jarName%%.*}
fi

function start()
{
	count=`ps -ef |grep java|grep $appName|wc -l`
	if [ $count != 0 ];then
		echo "Maybe $jarName is running, please check it..."
	else
		echo "The $jarName is starting..."
		nohup java \
		-Dapollo.meta=${apolloMeta} \
		-server \
		-Xms640M \
		-Xmx640M \
		-Xmn192M \
		-XX:MaxMetaspaceSize=128M \
		-XX:MetaspaceSize=128M \
		-XX:+UseParallelGC \
		-XX:+UseAdaptiveSizePolicy \
		-XX:MaxGCPauseMillis=100 \
		-verbose:class \
		-XX:+PrintGCDateStamps \
		-XX:+PrintCommandLineFlags \
		-XX:+PrintTenuringDistribution \
		-XX:+PrintGCApplicationStoppedTime \
		-XX:+PrintGCApplicationConcurrentTime \
		-XX:+HeapDumpOnOutOfMemoryError \
		-XX:HeapDumpPath=heapdump/$jarName.hprof \
		-XX:+PrintGCDetails -Xloggc:${appName}_gc.log \
		-jar $jarName.jar > /dev/null 2>&1 &

		echo "The $jarName has started."
	fi
}

function stop()
{
	appId=`ps -ef |grep java|grep $appName|awk '{print $2}'`
	if [ -z $appId ];then
	    echo "Maybe $jarName not running, please check it..."
	else
        echo "The $jarName is stopping..."
        kill $appId
	fi
}

function restart()
{
    # get release version
    releaseApp=`ls -t |grep .jar$ |head -n1`

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

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

    backup

    jarName=$releaseApp
    jarName=${jarName%%.*}
    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
}

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