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使用harbor配置docker registry

  前面连说了几篇与kubernetes相关的内容,这篇我们来说说docker registry。docker的registry与kubernetes本身并没有太直接的关系。但是任何使用到docker的地方,总少不了这玩艺儿。所以这篇博文我们专门来说一说如何使用开源的harbor来配置管理我们的私有registry。

  harbor官方是这么描述harbor的:Harbor是可靠的企业级Registry服务器。企业用户可使用Harbor搭建私有容器Registry服务,提高生产效率和安全度,既可应用于生产环境,也可以在开发环境中使用。github地址:https://github.com/vmware/harbor

  需要说明的是,由于harbor只支持registry v2的api,所以对docker的版本也是有要求的,至少得>=1.6.0。同时harbor的安装还依赖于docker-compose,当然官方也提供直接使用kubernetes部署的yml文件。所以其实我们可以想见,harbor的部署一定是以容器的形式来完成的

harbor共有六个容器组成:

harbor_ui:harbor的核心服务。
harbor_log:运行着rsyslog的容器,进行日志收集。
harbor_mysql:由官方mysql镜像构成的数据库容器
nginx:使用Nginx做反向代理
registry:官方的Docker registry
harbor_jobservice:Harbor的任务管理服务。
 
我这里的安装环境依然是基于centos 7.2。
首先安装docker-compose:
pip install docker-compose

下载docker的安装包:

git clone https://github.com/vmware/harbor 

cd harbor/make/

修改配置文件harbor.cfg如下:

hostname = myhub.xxx.com
ui_url_protocol = https

email_server = smtp.163.com
email_server_port = 25
email_username = xxx@163.com
email_password = xxxxx
email_from = admin <xxx@163.com>
email_ssl = false
harbor_admin_password = xxx
ssl_cert = /data/server/harbor/make/cert/xxx.com.crt
ssl_cert_key = /data/server/harbor/make/cert/xxx.com.key

其中两个ssl证书文件需要自行申请或者直接使用自签名证书。生成自签名证书的方法,在这里不做相关说明。

修改docker-compose.yml文件

cp docker-compose.tpl docker-compose.yml

vim docker-compose.yml

version: 2
services:
  log:
    image: myhub.fdccloud.com/library/harbor-log
    container_name: harbor-log 
    restart: always
    volumes:
      - /data/harbor/log/:/var/log/docker/
    ports:
      - 1514:514
  registry:
    image: myhub.fdccloud.com/library/registry:2.5.0
    container_name: registry
    restart: always
    volumes:
      - /data/registry:/storage
      - ./common/config/registry/:/etc/registry/
    environment:
      - GODEBUG=netdns=cgo
    command:
      ["serve", "/etc/registry/config.yml"]
    depends_on:
      - log
    logging:
      driver: "syslog"
      options:  
        syslog-address: "tcp://127.0.0.1:1514"
        tag: "registry"
  mysql:
    image: myhub.fdccloud.com/library/harbor-db
    container_name: harbor-db
    restart: always
    volumes:
      - /data/harbor/harbordb:/var/lib/mysql
    env_file:
      - ./common/config/db/env
    depends_on:
      - log
    logging:
      driver: "syslog"
      options:  
        syslog-address: "tcp://127.0.0.1:1514"
        tag: "mysql"
  ui:
    image: myhub.fdccloud.com/library/harbor-ui
    container_name: harbor-ui
    env_file:
      - ./common/config/ui/env
    restart: always
    volumes:
      - ./common/config/ui/app.conf:/etc/ui/app.conf
      - ./common/config/ui/private_key.pem:/etc/ui/private_key.pem
      - /data/harbor/harbor_storage:/harbor_storage
    depends_on:
      - log
    logging:
      driver: "syslog"
      options:  
        syslog-address: "tcp://127.0.0.1:1514"
        tag: "ui"
  jobservice:
    image: myhub.fdccloud.com/library/harbor-jobservice
    container_name: harbor-jobservice
    env_file:
      - ./common/config/jobservice/env
    restart: always
    volumes:
      - /data/harbor/job_logs:/var/log/jobs
      - ./common/config/jobservice/app.conf:/etc/jobservice/app.conf
    depends_on:
      - ui
    logging:
      driver: "syslog"
      options:  
        syslog-address: "tcp://127.0.0.1:1514"
        tag: "jobservice"
  proxy:
    image: myhub.fdccloud.com/library/nginx:1.11.5
    container_name: nginx
    restart: always
    volumes:
      - ./common/config/nginx:/etc/nginx
    ports:
      #- 80:80
      - 443:443
    depends_on:
      - mysql
      - registry
      - ui
      - log
    logging:
      driver: "syslog"
      options:  
        syslog-address: "tcp://127.0.0.1:1514"
        tag: "proxy"

创建映射的相关目录:

mkdir -p /data/harbor/{harbordb,harbor_storage,job_logs,log}
mkdir /data/registry

执行harbor安装并启动:

./install.sh

也可以通过如下方式启动:

./prepare
docker-compose -f docker-compose.yml up -d

harbor访问界面如下:

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使用harbor配置docker registry