利用shell监控mysql

 
 一 监控mysql主从复制状态图 

 
 二 监控mysql主从复制状态 

  1、搭建主从复制环境 

  2、基于mysql客户端连接，获取主从复制状态 

  mysql>show slave status\G; 

  Slave_IO_Running-IO：线程是否有连接到主服务器上 

  Seconds_Behind_Master：主从同步的延时时间 

 
 三 Mysql主从复制状态函数编写 

  1 ############################################################# 

  2 # File Name: check_server.sh 

  3 # Author:cakin 

  4 # mail:[email protected] 

  5 # Created Time: Sat 12 Aug 2017 12:40:07 PM CST 

  6 #============================================== 

  7 #!/bin/bash 

  8 Resettem=$(tput sgr0) 

  9 Nginxserver='http://192.168.0.107/nginx_status' 

  10 Mysql_Slave_Server='192.168.0.107' 

  11 Mysql_User='rep' 

  12 Mysql_Pass='imooc' 

13

  14 Check_Nginx_Server() 

  15 { 

  16 Status_code=$(curl -m 5 -s -w %{http_code} ${Nginxserver} -o /dev/null) 

  17 if [ $Status_code -eq 000 -o $Status_code -gt 500 ];then 

  18 echo -e '\E[32m' "check http server error! Response status code is $" $Resettem $Status_code 

  19 else 

  20 Http_content=$(curl -s ${Nginxserver}) 

  21 echo -e '\E[32m' "check http server OK! \n" $Resettem $Http_content 

  22 fi 

  23 } 

  24 Check_Mysql_Server() 

  25 { 

  26 nc -w2 ${Mysql_Slave_Server} 3306 &>/dev/null 

  27 if [ $? -eq 0 ];then 

  28 mysql -u$(Mysql_User) -p$(Mysql_Pass) -h$(Mysql_Slave_Server) -e "show slave status\G"|grep "Slave_IO_Running"|awk '{if($2!="YES"){print "Slave thread n ot running!";exit 1}}' 

  29 if [ $? -eq 0];then 

  30 mysql -u$(Mysql_User) -p$(Mysql_Pass) -h$(Mysql_Slave_Server) -e "show slave status\G"|grep "Seconds_Behind_Master" 

  31 fi 

  32 else 

  33 echo "Connect ${Mysql_Slace_Server} is no OK!" 

  34 fi 

  35 } 

  36 Check_Nginx_Server 

  37 Check_Mysql_Server 

 
 四 运行结果 

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