Shell脚本监控Mysql主从同步状态+钉钉提醒

Posted 2021-08-31 IT小马

脚本编写

vim mysql_status.sh

#!/bin/bash

DING_TOKEN=\'https://oapi.dingtalk.com/robot/send?access_token=xxx\'
MYSQL_PORT=3306
MYSQL_VIP1=192.168.1.111
MYSQL_VIP2=192.168.1.112
MYSQL_USERNAME=root
MYSQL_PASSWORD=root
GET_MYSQL_PORT=`netstat -na|grep "LISTEN"|grep "3306"|awk -F[:" "]+ \'{print $5}\'`
CHECK_MYSQL=`mysql -u$MYSQL_USERNAME -p$MYSQL_PASSWORD -h $MYSQL_VIP1 --connect_timeout=5 -e "show databases;"`
STATUS=$(mysql -u$MYSQL_USERNAME -p$MYSQL_PASSWORD -h $MYSQL_VIP1 -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}\'`

function checkMysqlStatus(){
  if [ "$GET_MYSQL_PORT" == "3306" ]
  then
    if [ "$CHECK_MYSQL" -ne 0 ]
    then
      dingAlert "Server: $1 mysql is down, please try to restart mysql by manual!"
    else
      echo "Server: $1 mysql is running..."
    fi
  else
    dingAlert "WARN!Server: $1 mysql is down."
  fi

  if [ "$IO_env" = "Yes" -a "$SQL_env" = "Yes" ]
  then
    echo "Server: $1 MySQL Slave is running!"
  else
    dingAlert "Server: $1 MySQL Slave is not running!"
  fi
}

function dingAlert(){
  curl $DING_TOKEN \\
    -H \'Content-Type: application/json\' \\
    -d "{\\"msgtype\\": \\"text\\", \\"text\\": {\\"content\\": \\"数据库监控测试\\n$1\\"}}"
}

checkMysqlStatus $MYSQL_VIP1

脚本调用

chmod +x mysql_status.sh

./mysql_status.sh

参考资料

mysql主从监控shell