linux下SpringBoot优雅更新、停机、发布_springboot在linux热更新

#!/bin/bash
# 定义变量
today=`date +%y%m%d`
pid=
app=demo-service
jarFile=${app}.jar
sourcePath=/home/code/springboot/


#更新代码,启动带上分支可以切换到指定分支
cd ${sourcePath}/demo/
if [ -n "$1" ] ;then
    echo "you have  input is $1"
    git checkout $1
fi
echo '当前分支::'
git pull


# 打包
cd ${sourcePath}/demo
mvn package -Dmaven.test.skip=true

#创建备份路径
cd /home/bak
if [ ! -d "${today}" ]; then
  mkdir ${today}
fi

cd /home
# 备份jar包
if [ -f "$jarFile" ]; then
  mv -f ${app}.jar ./bak/${today}
fi 

# 替换新jar包
mv ${sourcePath}/demo/target/demo-0.0.1-SNAPSHOT.jar ${jarFile}

# 获取进程编号
function queryPid()
{
 pid=`ps -ef|grep ${app}|grep -v grep|awk '{print $2}'`
 if [ ${pid} ]
 then
    echo "应用PID: ${pid}"
 else 
    echo "应用未运行"
 fi
}

# kill 进程
function stop()
{
 queryPid
 if [ ${pid} ]
 then
    kill -9 ${pid}
    if [ ${pid} ]
    then
       echo "停止失败"
    else
       echo "停止成功"
    fi

 fi
}

function start()
{
echo "启动应用"
nohup java -Xms512m -Xmx512m -Xmn256m -XX:MetaspaceSize=128m -XX:MaxMetaspaceSize=128m  -XX:+HeapDumpOnOutOfMemoryError -XX:HeapDumpPath=/var/log/demo/java.h
prof  -jar demo-service.jar --spring.profiles.active=dev --server.port=8080 > /home/server/springboot/console.log 2>&1 &
}


#停止进程 
stop

#启动进程
start
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