常见的linux上的服务重启脚本

手写linux上的重启脚本，先把提纲列下

1.检查进程是否存在

存在杀死

2.备份原来的包到指定目录

3. 拉取新包，我这边为了简便，没有从jenkins slave上拿

4.启动命令

5.检查是否进程起来了

#!/bin/bash

###path

JAVA=/usr/java/jdk1.8.0_211-amd64/bin/java

APP_HOME=/opt/88bugs

APPNAME=TestPlatform.jar

APP_PARAM="--spring.config.location=${APP_HOME}/application.properties"

####check wheather the port is running, if yes kill it

PID=`ps -ef | grep ${APP_HOME}/${APPNAME} | grep -v grep | awk '{print $2}'`

echo ${PID}

if test -z ${PID}

then

	echo "进程没有启动！"

else

	echo "will shutdown this process"

	kill -9 ${PID}

	sleep 2

fi

####backuop

mv ${APP_HOME}/${APPNAME} ${APP_HOME}/backup/${APPNAME}-date +%Y%m%d%H%M%S

####deploy the war package

cp -r /opt/${APPNAME}  ${APP_HOME}/${APPNAME}

##### start the process#

nohup ${JAVA} -jar ${APP_HOME}/${APPNAME} ${APP_PARAM}  > ${APP_HOME}/catalina.out 2>&1  &

afterPID=`ps -ef | grep ${APP_HOME}/${APPNAME} | grep -v grep | awk '{print $2}'`

echo ${afterPID}

sleep 10

if test -z ${afterPID}

then

	echo "部署失败"

else

	echo "部署成功"

fi

若脚本希望既可以停止服务，又可以重启服务，

那么结构屡一下

配置环境，可供其他项目更改细节使用

获取输入，条件如果输入的是a，则执行a的方法；如果是b则执行b的方法体，什么都不是，即不是指定的指令，输出提示“您输入的指令没有对应的方法哟”

在上面的脚本上，更改些许即可

#!/bin/bash

#server 

JAVA=/usr/java/jdk1.8.0_211-amd64/bin/java

APP_HOME=/opt/88bugs

APP_NAME=TestPlatform.jar

APP_PARAM="--spring.config.location=${APP_HOME}/application.properties"

case $1 in

start)

PID=$(ps -ef | grep ${APP_NAME} | grep -v grep | awk '{print $2}')

if [ -z "$PID" ] ;then

        echo "start ${APP_NAME}"

        nohup ${JAVA} -jar ${APP_HOME}/${APP_NAME} ${APP_PARAM}  > ${APP_HOME}/catalina.out 2>&1  &

else

        echo "${APP_NAME} is running"

fi

;;

stop)

PID=$(ps -ef | grep ${APP_NAME} | grep -v grep | awk '{print $2}')

if [ -z "$PID" ] ;then

        echo "${APP_NAME} is not running"

else

        echo "stop ${APP_NAME}"

        kill -9 $PID

fi

;;

restart)

PID=$(ps -ef | grep ${APP_NAME} | grep -v grep | awk '{print $2}')

if [ -z "$PID" ] ;then

        echo "start ${APP_NAME}"

        nohup ${JAVA} -jar ${APP_HOME}/${APP_NAME} ${APP_PARAM}   > ${APP_HOME}/catalina.out 2>&1  &

else

        echo "stop ${APP_NAME}"

        kill -9 $PID

        echo "start ${APP_NAME}"

        nohup ${JAVA} -jar ${APP_HOME}/${APP_NAME} ${APP_PARAM}   > ${APP_HOME}/catalina.out 2>&1  &

fi

;;

backup)

PID=$(ps -ef | grep ${APP_NAME} | grep -v grep | awk '{print $2}')

if [ -z "$PID" ] ;then

        echo "${APP_NAME} is not running,will backup files"

	mv ${APP_HOME}/${APP_NAME} ${APP_HOME}/backup/${APP_NAME}-$(date +%Y%m%d%H%M%S)

else

        echo "stop ${APP_NAME}"

        kill -9 $PID

        echo "will backup files..."

        mv ${APP_HOME}/${APP_NAME} ${APP_HOME}/backup/${APP_NAME}-$(date +%Y%m%d%H%M%S)

fi

;;

logs)

tail -f ${APP_HOME}/catalina.out

;;

status)

PID=$(ps -ef | grep ${APP_NAME} | grep -v grep | awk '{print $2}')

if [ -z "$PID" ] ;then

        echo "${APP_NAME} is not running"

else

        echo "${APP_NAME} is running, pid $PID"

fi

;;

*)

echo "您输入的指令没有对应的方法哟"

esac

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常见的linux上的服务重启脚本

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