检测mysq组复制的脚本

#!/bin/bash

PROG_OUT="/root/checkmysql-group.log" # 输出日志到至此文件,建议配置绝对路径
#PROG_OUT="/dev/null" #如果不想输出日志，则打开注释


MYSQL_IP=127.0.0.1 
MYSQL_PORT=3306
MYSQL_USER=root
MYSQL_PASSWORD=kWYM6%pnbVnvsR4K
MYSQL_PATH=/usr/bin/mysql

echo "">>$PROG_OUT

echo $(date "+%Y-%m-%d %H:%M:%S") check start >>$PROG_OUT

if netstat -lntp | grep -q ':'$MYSQL_PORT' ';then
  echo port $MYSQL_PORT exist >>$PROG_OUT
else
  echo port $MYSQL_PORT not exist >>$PROG_OUT
  echo $(date "+%Y-%m-%d %H:%M:%S") check end >>$PROG_OUT
  exist 1
fi

mysql_master_host_name=`$MYSQL_PATH -h$MYSQL_IP -u$MYSQL_USER -p$MYSQL_PASSWORD -P$MYSQL_PORT -e "SELECT * FROM performance_schema.replication_group_members WHERE MEMBER_ID = (SELECT VARIABLE_VALUE FROM performance_schema.global_status WHERE VARIABLE_NAME= 'group_replication_primary_member')" |awk 'NR==2{print}'|awk -F" " '{print $3}'`
echo mysql_master_host_name:$mysql_master_host_name>>$PROG_OUT

mysql_machine_host_name=`hostname`
echo mysql_machine_host_name:$mysql_machine_host_name>>$PROG_OUT
 
if [ "$mysql_machine_host_name"X = "$mysql_master_host_name"X ];then
   echo this is Master >>$PROG_OUT
   echo $(date "+%Y-%m-%d %H:%M:%S") check end >>$PROG_OUT
   exit 0
else
   echo this is not Master >>$PROG_OUT
   echo $(date "+%Y-%m-%d %H:%M:%S") check end >>$PROG_OUT
   exit 1
fi