监控MySQL主从状态的shell脚本

分享一个Linux下，监控 MySQL 主从状态及配合企业微信机器人报警的Shell脚本

SLAVE_IP：为监控的主机IP
USER：为msyql用户
PASSWORD：为mysql密码
WHEREIS_MYSQL：为mysql命令路径
WEBHOOK：为企业微信机器人Webhook地址
wx()：为企业微信机器人函数
Check_Mysql_Slave()：为监控脚本主函数

									#! /bin/bash

									#

									source /etc/profile

									export PATH="/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"

									SLAVE_IP=`ip add | grep inet | grep brd | awk -F / '{print $1}' | awk -F " " '{print $2}' | awk 'NR==1'`

									USER=monitor

									PASSWORD=xxxxxx

									TIME=`date`

									WHEREIS_MYSQL=/opt/mysql/bin/mysql

									WEBHOOK='https://qyapi.weixin.qq.com/cgi-bin/webhook/send?key=bb09197b-5ff6-4928-9872-xxxxxx'

									wx(){

									cat > $0.msg << EOF

									curl '$WEBHOOK' \

									 -H 'Content-Type: application/json' \

									 -d '

									 {

									  "msgtype": "text",

									  "text": {

									   "content": "$1",

									  }

									 }'

									EOF

									sh $0.msg && rm -rf $0.msg

									}

									Check_Mysql_Slave()

									{

									 $WHEREIS_MYSQL -u$USER -p$PASSWORD -h$SLAVE_IP -e "select version();" >/dev/null 2>&1

									 if [ $? -ne 0 ];then

									  echo "Mysql is stopped $DATE" >> /data/mysql/check.log

									    ERROR="ERROR:Mysql-$SLAVE_IP cannot connect\n$TIME"

									  wx "$ERROR"

									 else

									  #echo "1" >> /data/mysql/check.log

									    IO_SQL_STATUS=`$WHEREIS_MYSQL -u$USER -p$PASSWORD -h$SLAVE_IP -e "show slave status \G" 2>/dev/null | awk '/Slave_.*_Running:/{print $1$2}'`

									    for i in $IO_SQL_STATUS;do

									      THREAD_STATUS_NAME=${i%:*}

									      THREAD_STATUS=${i#*:}

									      if [ "$THREAD_STATUS" != "Yes" ];then

									        STATUS="ERROR:Mysql-$SLAVE_IP $THREAD_STATUS_NAME status is $THREAD_STATUS!\n$TIME"

									    echo "$STATUS" >> /data/mysql/check.log

									        wx "$STATUS"

									      fi

									    done

									  fi

									}

									Check_Mysql_Slave