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shell脚本监控mysql shell脚本监控mysql主从状态

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想了解shell脚本监控mysql主从状态的相关内容吗,在本文为您仔细讲解shell脚本监控mysql的相关知识和一些Code实例,欢迎阅读和指正,我们先划重点:shell脚本,监控mysql,下面大家一起来学习吧。

此脚本首先判断mysql服务器是否运行,如果正常,继续判断主从,否则发邮件告警,只发一次。
判断主从状态是判断IO和SQL线程是否都为yes,如果不是则发邮件通知,只发一次。

复制代码 代码如下:

#!/bin/bash
#define mysql variable
mysql_user="root"
mysql_pass="123456"
email_addr="slave@jb51.net"

mysql_status=`netstat -nl | awk 'NR>2{if ($4 ~ /.*:3306/) {print "Yes";exit 0}}'`
if [ "$mysql_status" == "Yes" ];then
        slave_status=`mysql -u${mysql_user} -p${mysql_pass} -e"show slave status\G" | grep "Running" | awk '{if ($2 != "Yes") {print "No";exit 1}}'`
        if [ "$slave_status" == "No" ];then
                echo "slave is not working!"
                [ ! -f "/tmp/slave" ] && echo "Slave is not working!" | mail -s "Warn!MySQL Slave is not working" ${email_addr}
                touch /tmp/slave
        else
                echo "slave is working."
                [ -f "/tmp/slave" ] && rm -f /tmp/slave
        fi
        [ -f "/tmp/mysql_down" ] && rm -f /tmp/mysql_down
else
        [ ! -f "/tmp/mysql_down" ] && echo "Mysql Server is down!" | mail -s "Warn!MySQL server is down!" ${email_addr}
        touch /tmp/mysql_down
fi

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