通过进程号或日志文件增长进行服务的重启

最新推荐文章于 2022-03-29 22:23:00 发布

vigel1990

最新推荐文章于 2022-03-29 22:23:00 发布

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分类专栏：运维

本文链接：https://blog.youkuaiyun.com/c1052981766/article/details/81454753

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本文介绍了一个用于监控并自动重启Canal服务的Shell脚本。该脚本通过检查指定日志文件的最后修改时间来判断服务是否运行正常，并在服务异常时执行重启操作。此外，脚本还包含了周期性的健康检查机制。

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#!/bin/sh
serviceStatus(){
 command=`ps aux|grep $2 |grep $3 |grep -v "grep"`
   if [  "$command" == "" ]
   then
	#echo -e "\033[31m$1 not started \033[0m" 
	sh $4
	sleep 5
	sh $5
	echo "$(date "+%Y-%m-%d %H:%M:%S") :restart $1"
   #else
        #echo "$1 is started"
   fi

}

restart10(){
	 sh /opt/canalgroup26/canal10/bin/restart.sh
        sleep 5
        sh /opt/canalclient/bin/restartdb10.sh
	echo "restart db10"
}

restart20(){
        sh /opt/canalgroup26/canal20/bin/restart.sh
        sleep 5
        sh /opt/canalclient/bin/restartdb20.sh
	echo "restart db20"
}


checkdb10(){
echo "checkdb10"
a=`stat -c %Y /opt/canalgroup26/canal10/logs/db10/meta.log`;
b=`date +%s`;
if [ $[ $b - $a ] -gt 600 ];
then restart10;
else :;
fi
}

checkdb20(){
echo "checkdb20"
a=`stat -c %Y /opt/canalgroup26/canal20/logs/db20/meta.log`;
b=`date +%s`;
if [ $[ $b - $a ] -gt 600 ];
then restart20;
else :;
fi
}


while true

do
	echo "check canal status"
	#serviceStatus canalclient-db1 SimpleCanalClientWithSub  db10 /opt/canalgroup26/canal10/bin/restart.sh /opt/canalclient/bin/restartdb10.sh
	#serviceStatus canalclient-db2 SimpleCanalClientWithSub  db20 /opt/canalgroup26/canal20/bin/restart.sh /opt/canalclient/bin/restartdb20.sh
	checkdb10
	checkdb20
	sleep 3600
done