1、# cat db.txt
backend 3310
base 3320
storage 3330
payment 3340
promotion 3350
2、# cat restart_mysql_slave.sh
#!/bin/sh
export PATH=$PATH:/usr/local/mysql/bin
echo -e "\033[31m`date +"%Y-%m-%d %T"` Restart begin! \033[0m"
#停止数据库
/opt/ops-tool/stop_all.sh
#启动数据库
/opt/ops-tool/start_all.sh
#启动从库
/opt/ops-tool/start_slave.sh
#检查主从状态
/opt/ops-tool/mysql_replication_check.sh
echo -e "\033[31m`date +"%Y-%m-%d %T"` Restart end! \n \033[0m"
3、#
cat stop_all.sh
#!/bin/sh
export PATH=$PATH:/usr/local/mysql/bin
#停止数据库
cat /opt/ops-tool/db.txt| while read line
do
pwd='xxx'
port=$(echo $line |awk '{print $2}')
/usr/local/mysql/bin/mysqladmin -h127.0.0.1 -P$port -umtdba_admin -p$pwd shutdown &>/dev/null
sleep 10
done
4、# cat start_all.sh
/usr/local/mysql/bin/mysqld_safe --defaults-file=/data/account_3550/conf/my.cnf &>/dev/null &
/usr/local/mysql/bin/mysqld_safe --defaults-file=/data/backend_3310/conf/my.cnf &>/dev/null &
/usr/local/mysql/bin/mysqld_safe --defaults-file=/data/base_3320/conf/my.cnf &>/dev/null &
/usr/local/mysql/bin/mysqld_safe --defaults-file=/data/bbtoms_3520/conf/my.cnf &>/dev/null &
/usr/local/mysql/bin/mysqld_safe --defaults-file=/data/bcoin_3610/conf/my.cnf &>/dev/null &
sleep 20
5、cat start_slave.sh
#!/bin/sh
export PATH=$PATH:/usr/local/mysql/bin
cat /opt/ops-tool/db.txt| while read line
do
pwd='xxx'
port=$(echo $line |awk '{print $2}')
/usr/local/mysql/bin/mysql -umtdba_admin -p$pwd -h127.0.0.1 -P$port -e"start slave ;" &>/dev/null
sleep 5
done
6、#
cat mysql_replication_check.sh
#!/bin/sh
export PATH=$PATH:/usr/local/mysql/bin
cat /opt/ops-tool/db.txt| while read line
do
pwd='xxx'
service=$(echo $line |awk '{print $1}')
port=$(echo $line |awk '{print $2}')
mysql="/usr/local/mysql/bin/mysql -h127.0.0.1 -P$port -umtdba_admin -p$pwd"
$mysql -e "show slave status \G;" 2>/dev/null > tmp.log
IO_env=`cat tmp.log | grep -w Slave_IO_Running | awk '{print $2}'`
SQL_env=`cat tmp.log | grep -w Slave_SQL_Running | awk '{print $2}'`
#判断Slave_IO_Running Slave_SQL_Running状态
if [ "$IO_env" = "Yes" -a "$SQL_env" = "Yes" ]
then
echo -e " replication \033[32m$service --> $port \033[0m OK!"
else
echo -e " replication \033[31m$service --> $port \033[0m is abnormal!"
fi
done
/bin/rm -rf tmp.log
配置crontab任务计划
# crontab -l
0 17 * * * /bin/bash /opt/ops-tool/restart_mysql_slave.sh > /tmp/restart_mysql_$(date "+\%Y-\%m-\%d").log
