使用Docker部署MySQL 5.7&8.0主從叢集的方法步驟
阿新 • • 發佈:2020-01-09
> 部署 MySQL 5.7 叢集 master & slave (僅測試用)
映象版本 5.7
1、建立 overlay 網路
docker network create --driver overlay common-network --attachable
2、編輯兩個配置檔案 master.cnf 與 slave.cnf
!includedir /etc/mysql/conf.d/ !includedir /etc/mysql/mysql.conf.d/ [mysqld] log-bin=mysql-bin server-id=1 gtid-mode=ON enforce-gtid-consistency=ON
!includedir /etc/mysql/conf.d/ !includedir /etc/mysql/mysql.conf.d/ [mysqld] server-id=2 gtid-mode=ON enforce-gtid-consistency=ON
3、啟動 2 個 MYSQL:mysql-master 、mysql-slave
docker run -d \ --name mysql-master \ --network common-network \ -e MYSQL_ROOT_PASSWORD=Passw0rd \ -v `pwd`/master.cnf:/etc/mysql/my.cnf \ -p 3306:3306 \ -d mysql:5.7
docker run -d \ --name mysql-slave \ --network common-network \ -e MYSQL_ROOT_PASSWORD=Passw0rd \ -v `pwd`/slave.cnf:/etc/mysql/my.cnf \ -p 3307:3306 \ -d mysql:5.7
4、新增從庫用於複製的使用者
docker run -it --rm --network common-network mysql mysql -hmysql-master -uroot -pPassw0rd \ -e "CREATE USER 'repl'@'%' IDENTIFIED BY 'password' REQUIRE SSL; " \ -e "GRANT REPLICATION SLAVE ON *.* TO 'repl'@'%';"
5、連線 master & slave
docker run -it --rm --network common-network mysql mysql -hmysql-slave -uroot -pPassw0rd \ -e "CHANGE MASTER TO MASTER_HOST='mysql-master',MASTER_PORT=3306,MASTER_USER='repl',MASTER_PASSWORD='password',MASTER_AUTO_POSITION=1,MASTER_SSL=1;" \ -e "START SLAVE;"
6、驗證 slave 狀態
docker run -it --rm --network common-network mysql mysql -hmysql-slave -uroot -pPassw0rd -e "show slave status\G"
如下狀態為正常:
Slave_IO_Running: Yes
Slave_SQL_Running: Yes
> 部署 MySQL 8.0 叢集 master & slave(僅測試用)
映象版本 mysql:8.0
1、建立 overlay 網路
docker network create --driver overlay common-network --attachable
2、啟動 2 個 MYSQL:mysql-master 、mysql-slave
docker run -d \ --name mysql-master \ --network common-network \ -e MYSQL_ROOT_PASSWORD=Passw0rd \ -p 3306:3306 \ -d mysql --default-authentication-plugin=mysql_native_password
docker run -d \ --name mysql-slave \ --network common-network \ -e MYSQL_ROOT_PASSWORD=Passw0rd \ -p 3307:3306 \ -d mysql --default-authentication-plugin=mysql_native_password
3、配置 master & slave
docker run -it --rm --network common-network mysql mysql -hmysql-master -uroot -pPassw0rd \ -e "SET PERSIST server_id=1;" \ -e "SET PERSIST_ONLY gtid_mode=ON;" \ -e "SET PERSIST_ONLY enforce_gtid_consistency=true; " \ -e "CREATE USER 'repl'@'%' IDENTIFIED BY 'password' REQUIRE SSL; " \ -e "GRANT REPLICATION SLAVE ON *.* TO 'repl'@'%';"
docker run -it --rm --network common-network mysql mysql -hmysql-slave -uroot -pPassw0rd \ -e "SET PERSIST server_id=2;" \ -e "SET PERSIST_ONLY gtid_mode=ON;" \ -e "SET PERSIST_ONLY enforce_gtid_consistency=true; "
4、重啟 master & slave
docker restart mysql-master mysql-slave
5、連線 master & slave
docker run -it --rm --network common-network mysql mysql -hmysql-slave -uroot -pPassw0rd \ -e "CHANGE MASTER TO MASTER_HOST='mysql-master',MASTER_SSL=1;" \ -e "START SLAVE;"
6、驗證 slave 狀態
docker run -it --rm --network common-network mysql mysql -hmysql-slave -uroot -pPassw0rd -e "show slave status\G"
如下狀態為正常:
Slave_IO_Running: Yes
Slave_SQL_Running: Yes
> 驗證資料同步
在 master 建立資料庫 anoyi
docker run -it --rm --network common-network mysql mysql -hmysql-master -uroot -pPassw0rd \ -e "create database anoyi default character set utf8mb4 collate utf8mb4_general_ci;"
在 slave 檢視資料庫列表
docker run -it --rm --network common-network mysql mysql -hmysql-slave -uroot -pPassw0rd \ -e "show databases;" mysql: [Warning] Using a password on the command line interface can be insecure. +--------------------+ | Database | +--------------------+ | anoyi | | information_schema | | mysql | | performance_schema | | sys | +--------------------+
相關資料:
mysql 5.7: https://dev.mysql.com/doc/refman/5.7/en/replication.html
mysql 8.0: https://dev.mysql.com/doc/refman/8.0/en/replication.html
以上就是本文的全部內容,希望對大家的學習有所幫助,也希望大家多多支援我們。