#构建mysql-mha环境
version: "3.3"
services:
  mysql_master: &mysql_master 
    # 使用制作好的镜像
    image: hooray/mha4mysql-node
    # 环境变量文件
    env_file:
      - ./env/mysql.env
    # 指定特殊的环境变量
    environment:
      - KEY_SUFFIX=mysql_master
    # 容器名称
    container_name: mysql_master
    # 在容器退出时总是重启
    restart: unless-stopped
    # 端口对外映射
    ports:
      - 3306:3306
    # 数据卷挂载
    volumes:
      # mha 容器间共享目录
      - ./data/share_sshkeys:/root/share_sshkeys
      # mysql 配置文件
      - ./conf/mysql_master.cnf:/etc/mysql/mysql.conf.d/mysqld.cnf
      # myqsl 工作目录
      - ./data/master:/var/lib/mysql
      # mysql 数据初始化
      - ./init/schema.sql:/docker-entrypoint-initdb.d/1-schema.sql
      - ./init/data.sql:/docker-entrypoint-initdb.d/2-data.sql
      # mysql_master 初始化配置
      - ./init/mysql_master.sh:/docker-entrypoint-initdb.d/3-mysql_init.sh
      # 挂载容器启动后要执行的脚本
      - ./script:/etc/init.d/script
    # 容器启动后默认执行的命令
    command: ["--server-id=1"]

  mysql_slave1:
    # 继承mysql_master的属性
    <<: *mysql_master
    env_file:
      - ./env/mysql.env
    environment:
      - KEY_SUFFIX=mysql_slave1
    container_name: mysql_slave1
    ports:
      - 33061:3306
    # 启动依赖于 mysql_master
    depends_on:
      - mysql_master
    volumes:
      - ./data/share_sshkeys:/root/share_sshkeys
      - ./conf/mysql_slave.cnf:/etc/mysql/mysql.conf.d/mysqld.cnf
      - ./data/slave1:/var/lib/mysql
      - ./init/schema.sql:/docker-entrypoint-initdb.d/1-schema.sql
      - ./init/data.sql:/docker-entrypoint-initdb.d/2-data.sql
      # mysql_slave 初始化配置
      - ./init/mysql_slave.sh:/docker-entrypoint-initdb.d/3-mysql_init.sh
      - ./script:/etc/init.d/script
    command: ["--server-id=21"]

  mysql_slave2:
    <<: *mysql_master
    env_file:
      - ./env/mysql.env
    environment:
      - KEY_SUFFIX=mysql_slave2
    container_name: mysql_slave2
    ports:
      - 33062:3306
    depends_on:
      - mysql_master
    volumes:
      - ./data/share_sshkeys:/root/share_sshkeys
      - ./conf/mysql_slave.cnf:/etc/mysql/mysql.conf.d/mysqld.cnf
      - ./data/slave2:/var/lib/mysql
      - ./init/schema.sql:/docker-entrypoint-initdb.d/1-schema.sql
      - ./init/data.sql:/docker-entrypoint-initdb.d/2-data.sql
      - ./init/mysql_slave.sh:/docker-entrypoint-initdb.d/3-mysql_init.sh
      - ./script:/etc/init.d/script
    command: ["--server-id=22"]
  mha_manager:
    image: hooray/mha4mysql-manager
    environment:
      - KEY_SUFFIX=mha_manager
    container_name: mha_manager
    depends_on:
      - mysql_master
      - mysql_slave1
      - mysql_slave2
    restart: always
    volumes:
      - ./data/share_sshkeys:/root/share_sshkeys
      # 挂载mha配置文件
      - ./conf/mha_manager.cnf:/etc/mha/mha_manager.cnf
      # 修复mha无法解析长名称mysql的问题
      - ./init/NodeUtil.pm:/usr/share/perl5/MHA/NodeUtil.pm
      # 挂载mha数据文件
      - ./data/mha_manager:/var/log/masterha/
      - ./init/mha_manager.sh:/etc/init.d/script/mha_manager.sh
      - ./script:/etc/init.d/script
    # 防止启动后退出
    entrypoint: "tail -f /dev/null"