Shell脚本100例:46 MySQL主从监控邮件报警脚本

  • 此脚本应该能适应各种各样不同的内外网环境。
  • 让脚本也顺便监控下MySQL是否正常运行。
  • Slave机器的IO和SQL状态都必须为YES,缺一不可,这里用到了多重条件判断-a。
  • Shell脚本100例:46 MySQL主从监控邮件报警脚本

    <code>shell> check_mysql_slave.sh
    #!/bin/bash
    #check MySQL_Slave Status

    MYSQLPORT='netstat -na|grep "LISTEN"|grep "3306"|awk -F[:" "]+ '{print $4}''
    MYSQLIP='ifconfig eth0|grep "inet addr" | awk -F[:" "]+ '{print $4}''
    STATUS=$(/usr/local/mysql/bin/mysql -u dbuser -dbpwd123 -S /tmp/mysql.sock -e "show slave status\G" | grep -i "running")
    IO_env='echo $STATUS | grep IO | awk ' {print $2}''
    SQL_env='echo $STATUS | grep SQL | awk '{print $2}''

    if [ "$MYSQLPORT" == "3306" ]
    then
     echo "mysql is running"
    else
     mail -s "warn!server: $MYSQLIP mysql is down" [email protected]
    fi


    if [ "$IO_env" = "Yes" -a "$SQL_env" = "Yes" ]
    then
     echo "Slave is running!"
    else
     echo "####### $date #########">> /data/log/check_mysql_slave.log
     echo "Slave is not running!" >> /data/log/check_mysql_slave.log
     mail -s "warn! $MySQLIP_replicate_error" [email protected] << /data/log/check_mysql_slave.log
    fi

    # 建议每10分钟运行一次:
    shell> crontab -e
    */10 * * * * root /bin/sh /root/check_mysql_slave.sh/<code>

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