监控mysql主从同步状态脚本

监控mysql主从同步状态脚本

示例一：
cat check_mysql_health

#!/bin/sh
slave_is=($(mysql -S /tmp/mysql3307.sock -uroot -e "show slave status\G"|grep "Slave_.*_Running" |awk '{print $2}'))
if [ "${slave_is[0]}" = "Yes" -a "${slave_is[1]}" = "Yes" ]
     then
     echo "OK SDK-slave3307 connect master3306 is running"
     exit
else
     echo "Critical SDK-slave3307 connect master3306 is not running"
     exit
fi 

示例二：
[root@slavedb test]# cat Check_Mysql_Synchronization.sh
#!/bin/bash
MYUSER=root
MYSOCKET=/tmp/mysql3306.sock
MYPASSWD=
MYLOGIN="mysql -S $MYSOCKET -u$MYUSER "
ERROR=(     )
check_status(){
STATUS=($($MYLOGIN -e "show slave status\G"|egrep "Slave_SQL_Running|Slave_IO_Running|Seconds_Behind_Master|Last_SQL_Errno"|awk '{print $NF}'))
if [ "${STATUS[0]}" = "Yes" -a "${STATUS[1]}" = "Yes" -a "${STATUS[2]} = 0" ];then
        echo "Mysql Slave is Ok!"
        CHECK_NUM=
        return $CHECK_NUM
else
        CHECK_NUM=
        return $CHECK_NUM
fi
}

check_error(){
        check_status
        if [ $? -eq  ];then
                for ((i=;i<${#ERROR[*]};i++));do
                        if [ "${ERROR[i]}" == "${STATUS[3]}" ];then
                                $MYLOGIN -e "stop slave;"
                                $MYLOGIN -e "set global sql_slave_skip_counter=1"
                                $MYLOGIN -e "start slave;"
                        fi
                done
        fi
}

check_again(){
        STATUS=($($MYLOGIN -e "show slave status\G"|egrep "Slave_SQL_Running|Slave_IO_Running|Seconds_Behind_Master|Last_SQL_Errno"|awk '{print $NF}'))
        check_status >/dev/null &>
        if [ $? -eq  ];then
                echo "Mysql slave is fail $(date +%F)"
        fi
}
main(){
        while true;do
                check_error
                check_again
                sleep
        done
}
main

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作者：唐胜伟
出处：http://www.cnblogs.com/tangshengwei/
本文版权归作者和博客园共有，欢迎转载，但未经作者同意必须保留此段声明，且在文章页面明显位置给出原文连接。