docker安裝mysql主從複製
阿新 • • 發佈：2019-01-06
參與文獻 http://blog.csdn.net/qq362228416/article/details/48569293
docker 安裝mysql主從備份
下載mysql映象 我們獲取最新映象
環境準備如下：
伺服器： 我的伺服器ip: 47.94.175.83
保證3307埠和3308埠沒有被佔用
在主機上安裝docker之後執行 從官網拉取最新映象
docker pull mysql:latest
準備配置檔案：
命令如下：
cd /
touch my-m.cnf
touch my-s.cnf
開始編輯檔案
1，首創創兩個檔案 vi my-m.cnf（主庫配置），vi my-s.cnf（從庫配置）
my-m.cnf內容如下
# Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; version 2 of the License.
#
# This program is distributed in the hope that it will be useful, - 1
- 2
- 3
- 4
- 五
- 6
- 7
- 8
- 9
- 10
- 11
- 12
- 13
- 14
- 15
- 16
- 17
- 18
- 19
- 20
- 21
- 22
- 23
- 24
- 25
- 26
- 27
- 28
- 29
- 三十
- 31
- 32
- 33
- 34
- 35
- 36
- 37
- 38
- 39
- 40
- 41
- 42
- 43
- 44
- 45
- 46
- 47
- 48
- 49
- 50
- 51
- 52
- 53
- 54
- 55
- 56
- 57
- 58
- 59
- 60
- 61
- 1
- 2
- 3
- 4
- 五
- 6
- 7
- 8
- 9
- 10
- 11
- 12
- 13
- 14
- 15
- 16
- 17
- 18
- 19
- 20
- 21
- 22
- 23
- 24
- 25
- 26
- 27
- 28
- 29
- 三十
- 31
- 32
- 33
- 34
- 35
- 36
- 37
- 38
- 39
- 40
- 41
- 42
- 43
- 44
- 45
- 46
- 47
- 48
- 49
- 50
- 51
- 52
- 53
- 54
- 55
- 56
- 57
- 58
- 59
- 60
- 61
主要是這兩行，只需要在原來的配置裡面加上就行
log-bin = mysql-bin
server-id = 1 - 1
- 2
- 1
- 2
my-s.cnf內容如下
# Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; version 2 of the License.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
#
# The MySQL Community Server configuration file.
#
# For explanations see
# http://dev.mysql.com/doc/mysql/en/server-system-variables.html
[client]
port = 3306
socket = /var/run/mysqld/mysqld.sock
[mysqld_safe]
pid-file = /var/run/mysqld/mysqld.pid
socket = /var/run/mysqld/mysqld.sock
nice = 0
[mysqld]
user = mysql
pid-file = /var/run/mysqld/mysqld.pid
socket = /var/run/mysqld/mysqld.sock
port = 3306
basedir = /usr
datadir = /var/lib/mysql
tmpdir = /tmp
lc-messages-dir = /usr/share/mysql
explicit_defaults_for_timestamp
log-bin = mysql-bin
server-id = 2
# Instead of skip-networking the default is now to listen only on
# localhost which is more compatible and is not less secure.
#bind-address = 127.0.0.1
#log-error = /var/log/mysql/error.log
# Recommended in standard MySQL setup
sql_mode=NO_ENGINE_SUBSTITUTION,STRICT_TRANS_TABLES
# Disabling symbolic-links is recommended to prevent assorted security risks
symbolic-links=0
# * IMPORTANT: Additional settings that can override those from this file!
# The files must end with '.cnf', otherwise they'll be ignored.
#
!includedir /etc/mysql/conf.d/
- 1
- 2
- 3
- 4
- 五
- 6
- 7
- 8
- 9
- 10
- 11
- 12
- 13
- 14
- 15
- 16
- 17
- 18
- 19
- 20
- 21
- 22
- 23
- 24
- 25
- 26
- 27
- 28
- 29
- 三十
- 31
- 32
- 33
- 34
- 35
- 36
- 37
- 38
- 39
- 40
- 41
- 42
- 43
- 44
- 45
- 46
- 47
- 48
- 49
- 50
- 51
- 52
- 53
- 54
- 55
- 56
- 57
- 58
- 59
- 60
- 61
- 1
- 2
- 3
- 4
- 五
- 6
- 7
- 8
- 9
- 10
- 11
- 12
- 13
- 14
- 15
- 16
- 17
- 18
- 19
- 20
- 21
- 22
- 23
- 24
- 25
- 26
- 27
- 28
- 29
- 三十
- 31
- 32
- 33
- 34
- 35
- 36
- 37
- 38
- 39
- 40
- 41
- 42
- 43
- 44
- 45
- 46
- 47
- 48
- 49
- 50
- 51
- 52
- 53
- 54
- 55
- 56
- 57
- 58
- 59
- 60
- 61
同樣，主要的是這兩行
log-bin = mysql-bin
server-id = 22，OK，有了配置檔案，就可以啟動MySQL的了，先啟動主庫
$ docker run -d -e MYSQL_ROOT_PASSWORD=admin --name mysql-master -v /soft/my-m.cnf:/etc/mysql/my.cnf -p 3307:3306 mysql- 1
- 1
3，啟動從庫
$ docker run -d -e MYSQL_ROOT_PASSWORD=admin --name mysql-slave -v /soft/my-s.cnf:/etc/mysql/my.cnf -p 3308:3306 mysql- 1
- 1
如圖4所示，連線主庫，並執行以下命令，建立一個使用者用來同步資料
$ GRANT REPLICATION SLAVE ON *.* to 'backup'@'%' identified by '123456';- 1
- 1
5，檢視主庫狀態
$ show master status;- 1
- 1
記住檔案，位置的值，如果沒查到資料，請檢查第一，第二步，配置問題。
我查出來的是mysql-bin.000003,436
如圖6所示，連線到從庫，執行以下命令，設定主庫連結
$ change master to master_host='47.94.175.83',master_user='backup',master_password='123456',
master_log_file='mysql-bin.000003',master_log_pos=436,master_port=3307;- 1
- 2
- 1
- 2
7，啟動同步
$ start slave;- 1
- 1
8，檢視同步狀態
$ show slave status- 1
- 1
如果看到等待主傳送事件..什麼的就成功了，你現在在主庫上的修改，都會同步到從庫上