参考地址:https://www.cnblogs.com/jinjiangongzuoshi/p/9299275.html
1.下载镜像
docker pull mysql:5.7.19
2.建立配用文件
--mysql
--master
--data
--conf
--my.cnf
--slave
--data
--conf
--my.cnf
3.master配置文件
[mysqld] log-bin= mysql-bin read-only=0 replicate-ignore-db=mysql replicate-ignore-db=sys replicate-ignore-db=information_schema replicate-ignore-db=performance_schema !includedir /etc/mysql/conf.d/ !includedir /etc/mysql/mysql.conf.d/ |
4.slave配置文件
[mysqld] log-bin= mysql-bin read-only=1 replicate-ignore-db=mysql replicate-ignore-db=sys replicate-ignore-db=information_schema replicate-ignore-db=performance_schema
!includedir /etc/mysql/conf.d/ !includedir /etc/mysql/mysql.conf.d/ |
5. 启动服务
主服务
docker run --name mastermysql -d -p 3307:3306 -eMYSQL_ROOT_PASSWORD=123456 ~/docker/mysql-master/data:/var/lib/mysql -v ~/docker/mysql-master/conf/my.cnf:/etc/mysql/my.cnf 3e3878acd190
从服务
docker run --name slavemysql -d -p 3308:3306 -eMYSQL_ROOT_PASSWORD=123456 -v ~/docker/mysql-slave/data:/var/lib/mysql -v ~/docker/mysql-slave/conf/my.cnf:/etc/mysql/my.cnf imageid
6.进入容器
主服务
docker exec -it mastermysql bash
mysql -u root -p
//查看状态,记住File、Position的值,在Slave中将用到
show master status/G;
从服务 //进入slaver容器
docker exec -it slavemysql bash
//启动mysql命令,刚在创建窗口时我们把密码设置为:root mysql -u root -p //设置主库链接master_log_file(主服务File)master_log_pos(主服务Position)
change master to master_host='172.17.0.2',master_user='slave',master_password='123456',master_log_file='mysql-bin.000001',master_log_pos=0,master_port=3306; //启动从库同步 start slave; //查看状态 show slave status\G;
//启动从库同步
start slave;
show slave status\G;
Slave_IO_Running: Yes
Slave_SQL_Running: Yes
mysql --help |grep 'my.cnf'
chmod 664 /etc/my.cnf
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