feat:mysql cluster docker run

_posts/2024-03-28-test-markdown.md

@@ -6,13 +6,14 @@ tags: [Docker]
 comments: true
 --- 
 
+# 本地运行独立的Mysql
+
 ## 编辑配置文件设置默认密码插件
 
 ```shell
 vim my3319.cnf
 ```
 
-
 ```shell
 [mysqld]
 server-id=33319
@@ -35,3 +36,129 @@ $ docker run --name master \
 -v my3319.cnf:/etc/mysql/mysql.conf.d/my.cnf \
 -d mysql:latest
 ```
+
+
+# 本地部署Mysql 集群
+
+### my3319.cnf文件
+```shell
+[mysqld]
+server-id=33319
+general_log = ON
+log_output = FILE
+default-authentication-plugin=mysql_native_password
+local-infile=1
+```
+
+### my3329.cnf文件
+```shell
+[mysqld]
+server-id=33329
+general_log = ON
+log_output = FILE
+default-authentication-plugin=mysql_native_password
+local-infile=1        
+```
+
+###  my3339.cnf文件
+```shell
+[mysqld]
+server-id=33339
+general_log = ON
+log_output = FILE
+local-infile=1
+default-authentication-plugin=mysql_native_password   
+```
+
+### 搭建集群的完整脚本
+```shell
+#!/bin/bash
+docker network rm
+docker network create mysql-net
+
+# pull mysql image
+docker pull mysql:8
+path=$(pwd)
+echo "PATH: $path"
+
+# start mysql master
+docker run --name=mysql-master --network=mysql-net -p 3319:3306   -e MYSQL_ROOT_PASSWORD=root -v ./my3319.cnf:/etc/mysql/conf.d/my.cnf -v ./my3319log:/var/lib/mysql -d mysql:8
+
+# start mysql slave1
+docker run --name=mysql-slave1 --network=mysql-net -p 3329:3306  -e MYSQL_ROOT_PASSWORD=root -v ./my3329.cnf:/etc/mysql/conf.d/my.cnf -v ./my3329log:/var/lib/mysql -d mysql:8
+
+# start mysql slave2
+docker run --name=mysql-slave2 --network=mysql-net -p 3339:3306  -e MYSQL_ROOT_PASSWORD=root -v ./my3339.cnf:/etc/mysql/conf.d/my.cnf -v ./my3339log:/var/lib/mysql -d mysql:8
+# sleep wait container run
+sleep 20
+
+# create new user and rep user
+docker exec mysql-master mysql -uroot -proot -e"
+CREATE USER 'superroot'@'%' IDENTIFIED BY 'superroot';
+ALTER USER 'superroot'@'%' IDENTIFIED WITH mysql_native_password BY 'superroot';
+GRANT ALL PRIVILEGES ON *.* TO 'superroot'@'%' WITH GRANT OPTION;
+CREATE USER 'repl'@'%' IDENTIFIED BY '111';
+ALTER USER 'repl'@'%' IDENTIFIED WITH mysql_native_password BY '111';
+GRANT REPLICATION SLAVE ON *.* TO 'repl'@'%';
+FLUSH PRIVILEGES;
+"
+
+# Get Master Status
+MS_STATUS=$(docker exec mysql-master mysql -uroot -proot -e "SHOW MASTER STATUS\G")
+echo $MS_STATUS
+
+# get bin_file and bin_pos value
+bin_file=$(echo "$MS_STATUS" | awk -F: '/File/ {print $2;}' | xargs)
+bin_pos=$(echo "$MS_STATUS" | awk -F: '/Position/ {print $2;}' | xargs)
+
+# confirm bin_file and bin_pos value
+echo $bin_file
+echo $bin_pos
+
+# build a master-slave relationship
+
+docker exec mysql-slave1 mysql -uroot -proot -e "
+CREATE USER 'superroot'@'%' IDENTIFIED BY 'superroot';
+ALTER USER 'superroot'@'%' IDENTIFIED WITH mysql_native_password BY 'superroot';
+GRANT ALL PRIVILEGES ON *.* TO 'superroot'@'%' WITH GRANT OPTION;
+FLUSH PRIVILEGES;
+CHANGE MASTER TO MASTER_HOST='mysql-master',MASTER_USER='repl', MASTER_PASSWORD='111', MASTER_LOG_FILE='$bin_file', MASTER_LOG_POS=$bin_pos;
+START SLAVE;
+"
+
+# build a master-slave relationship
+docker exec mysql-slave2 mysql -uroot -proot -e "
+CREATE USER 'superroot'@'%' IDENTIFIED BY 'superroot';
+ALTER USER 'superroot'@'%' IDENTIFIED WITH mysql_native_password BY 'superroot';
+GRANT ALL PRIVILEGES ON *.* TO 'superroot'@'%' WITH GRANT OPTION;
+FLUSH PRIVILEGES;
+CHANGE MASTER TO MASTER_HOST='mysql-master',MASTER_USER='repl', MASTER_PASSWORD='111', MASTER_LOG_FILE='$bin_file', MASTER_LOG_POS=$bin_pos;
+START SLAVE;
+"
+
+# check slaves status
+for slave in slave1 slave2; do
+  docker exec mysql-$slave mysql -uroot -proot -e "SHOW SLAVE STATUS\G"
+done
+
+docker exec mysql-master mysql -usuperroot -psuperroot -e "
+  CREATE DATABASE test;
+  USE test;
+  CREATE TABLE demo (id INT);
+  INSERT INTO demo VALUES (1);
+"
+
+# check relationship
+docker exec mysql-slave1 mysql -usuperroot -psuperroot -e "
+  SHOW DATABASES ;
+  USE test;
+"
+
+# check relationship
+docker exec mysql-slave2 mysql -usuperroot -psuperroot -e "
+  SHOW DATABASES ;
+  USE test;
+"
+```
+
+因为上面三个Mysql上述都是在--network=mysql-net这个Docker网络下，因此他们之间可以通信，而，--network=host 就是直接在宿主机上。