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  • 通过mysqltools全自动安装配置mysql复制环境

    一、从github下载mysqltools工具包

      github地址:https://github.com/Neeky/mysqltools

    二、环境规划:

    主机名              ip            mysql中的角色

    master-slave17          10.186.19.17        master

    master-slave18          10.186.19.18        slave

    master-slave19          10.186.19.19        slave

    三、执行自动化安装配置:

    ansible-playbook install_master_slaves.yaml 
    
    PLAY [ms1] ****************************************************************************************
    
    TASK [Gathering Facts] ****************************************************************************
    ok: [master-slave17]
    ok: [master-slave19]
    ok: [master-slave18]
    
    TASK [create mysql user] **************************************************************************
    changed: [master-slave17]
    changed: [master-slave18]
    changed: [master-slave19]
    
    TASK [create and config /etc/my.cnf] **************************************************************
    changed: [master-slave18]
    changed: [master-slave17]
    changed: [master-slave19]
    
    TASK [transfer mysql install package to remote host and unarchive to /usr/local/] *****************
    changed: [master-slave17]
    changed: [master-slave18]
    changed: [master-slave19]
    
    TASK [change owner to mysql user] *****************************************************************
    changed: [master-slave18]
    changed: [master-slave17]
    changed: [master-slave19]
    
    TASK [make link /usr/local/mysql-xx.yy.zz to /usr/local/mysql] ************************************
    changed: [master-slave17]
    changed: [master-slave18]
    changed: [master-slave19]
    
    TASK [export mysql share object (*.os)] ***********************************************************
    ok: [master-slave17]
    ok: [master-slave18]
    ok: [master-slave19]
    
    TASK [load share object] **************************************************************************
    changed: [master-slave18]
    changed: [master-slave17]
    changed: [master-slave19]
    
    TASK [export path env variable] *******************************************************************
    ok: [master-slave17]
    ok: [master-slave18]
    ok: [master-slave19]
    
    TASK [export path env to /root/.bashrc] ***********************************************************
    ok: [master-slave17]
    ok: [master-slave18]
    ok: [master-slave19]
    
    TASK [make link /usr/local/mysql-xx.yy.zz to /usr/local/mysql] ************************************
    ok: [master-slave17]
    ok: [master-slave18]
    ok: [master-slave19]
    
    TASK [create libmysqlclient_r.so file for php-5.6] ************************************************
    changed: [master-slave17]
    changed: [master-slave18]
    changed: [master-slave19]
    
    TASK [create datadir] *****************************************************************************
    changed: [master-slave17]
    changed: [master-slave18]
    changed: [master-slave19]
    
    TASK [initialize-insecure] ************************************************************************
    changed: [master-slave17]
    changed: [master-slave18]
    changed: [master-slave19]
    
    TASK [create systemd config file] *****************************************************************
    changed: [master-slave17]
    changed: [master-slave19]
    changed: [master-slave18]
    
    TASK [enable mysqld service] **********************************************************************
    changed: [master-slave19]
    changed: [master-slave17]
    changed: [master-slave18]
    
    TASK [start mysql(sytemctl)] **********************************************************************
    changed: [master-slave17]
    changed: [master-slave18]
    changed: [master-slave19]
    
    TASK [config mysql.service start up on boot] ******************************************************
    changed: [master-slave18]
    changed: [master-slave17]
    changed: [master-slave19]
    
    TASK [config sysv start script] *******************************************************************
    skipping: [master-slave17]
    skipping: [master-slave18]
    skipping: [master-slave19]
    
    TASK [start mysql(service)] ***********************************************************************
    skipping: [master-slave17]
    skipping: [master-slave18]
    skipping: [master-slave19]
    
    TASK [config mysql.service start up on boot] ******************************************************
    skipping: [master-slave17]
    skipping: [master-slave18]
    skipping: [master-slave19]
    
    TASK [stransfer sql to remote host] ***************************************************************
    changed: [master-slave18]
    changed: [master-slave17]
    changed: [master-slave19]
    
    TASK [create replication user on master / start slave on slave] ***********************************
    changed: [master-slave17]
    changed: [master-slave19]
    changed: [master-slave18]
    
    ---
    TASK [transfer sql statement to remonte] **********************************************************
    skipping: [master-slave18]
    skipping: [master-slave19]
    changed: [master-slave17]
    
    TASK [make mysql secure] **************************************************************************
    skipping: [master-slave18]
    skipping: [master-slave19]
    changed: [master-slave17]
    
    TASK [remove temp file /tmp/make_mysql_secure.sql] ************************************************
    skipping: [master-slave18]
    skipping: [master-slave19]
    systemctl stop mysql
    changed: [master-slave17]
    
    PLAY RECAP ****************************************************************************************
    master-slave17             : ok=23   changed=18   unreachable=0    failed=0   
    master-slave18             : ok=20   changed=15   unreachable=0    failed=0   
    master-slave19             : ok=20   changed=15   unreachable=0    failed=0  

          

    四、在slave上测试配置是否正确:

    mysql -uroot -pmtls0352
    mysql: [Warning] Using a password on the command line interface can be insecure.
    Welcome to the MySQL monitor.  Commands end with ; or g.
    Your MySQL connection id is 15
    Server version: 5.7.20-log MySQL Community Server (GPL)
    
    Copyright (c) 2000, 2017, Oracle and/or its affiliates. All rights reserved.
    
    Oracle is a registered trademark of Oracle Corporation and/or its
    affiliates. Other names may be trademarks of their respective
    owners.
    
    Type 'help;' or 'h' for help. Type 'c' to clear the current input statement.
    
    mysql> show slave status  G
    *************************** 1. row ***************************
                   Slave_IO_State: Waiting for master to send event
                      Master_Host: 10.186.19.17
                      Master_User: rple
                      Master_Port: 3306
                    Connect_Retry: 60
                  Master_Log_File: mysql-bin.000002
              Read_Master_Log_Pos: 1287
                   Relay_Log_File: mtls19-relay-bin.000002
                    Relay_Log_Pos: 1492
            Relay_Master_Log_File: mysql-bin.000002
                 Slave_IO_Running: Yes
                Slave_SQL_Running: Yes

    结论:

      mysql复制环境正确的配置好了! 

      整个安装配置的过程用了不到3分钟、通过mysqltools可以大大的节省时间。所以mysqltools是一个提高生产力的好工具!

    ----

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  • 原文地址:https://www.cnblogs.com/JiangLe/p/7833040.html
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