centos7 docker 搭建私有仓库 registry

时间:2015-10-22 22:55 来源:linux.it.net.cn 作者:IT

环境规划：

docker私有仓库地址：192.168.0.167

docker客户端地址： 192.168.0.167

·关闭防火墙和selinux

systemctl stop firewalld.service

systemctl disable firewalld.service

# vi /etc/sysconfig/selinux

SELINUX=disabled

# setenforce 0

服务端

1.安装并启动docker

yum -y install docker

service docker start

chkconfig docker on

2.拉取本地私有仓库registry

[root@localhost ~]# docker pull registry

Trying to pull repository docker.io/registry ...

24dd746e9b9f: Download complete

706766fe1019: Download complete

a62a42e77c9c: Download complete

2c014f14d3d9: Download complete

b7cf8f0d9e82: Download complete

d0b170ebeeab: Download complete

171efc310edf: Download complete

522ed614b07a: Download complete

605ed9113b86: Download complete

22b93b23ebb9: Download complete

2ac557a88fda: Download complete

1f3b4c532640: Download complete

27ebaac643a7: Download complete

ce630195cb45: Download complete

Status: Downloaded newer image for docker.io/registry:latest

3.查看registry镜像

[root@localhost ~]# docker images

docker.io/busybox latest 0064fda8c45d 5 days ago 1.113 MB

docker.io/registry latest 105c6c9299d9 5 days ago 423.3 MB

docker.io/centos latest ce20c473cd8a 6 days ago 172.3 MB

4.基于私有仓库镜像运行容器

默认情况下，会将仓库存放于容器的/tmp/registry目录下，这样如果容器被删除，则存放于容器中的镜像也会丢失，所以我们一般情况下会指定本地一个目录挂载到容器的/tmp/registry下，两个目录下都有！

·registry的默认存储路径是/tmp/registry，只是个临时目录，一段时间之后就会消失

·所以使用-v参数，指定个本地持久的路径，

[root@localhost ~]# docker run -d -p 5000:5000 -v /opt/data/registry:/tmp/registry docker.io/registry

bb2c0d442df94e281479332c2608ef144f378e71743c5410e36b80c465771a95

root@localhost ~]# docker ps -a

CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES

bb2c0d442df9 docker.io/registry:latest "docker-registry" 10 seconds ago Up 7 seconds

5.访问私有仓库

[root@localhost ~]# curl 127.0.0.1:5000/v1/search

{"num_results": 0, "query": "", "results": []} #私有仓库为空，没有提交新镜像到仓库中

6.从Docker HUB 上拉取一个镜像测试

[root@localhost ~]#docker pull busybox

[root@localhost ~]#docker images

REPOSITORY TAG IMAGE ID CREATED VIRTUAL SIZE

docker.io/busybox latest 0064fda8c45d 5 days ago 1.113 MB

docker.io/registry latest 105c6c9299d9 5 days ago 423.3 MB

docker.io/centos latest ce20c473cd8a 6 days ago 172.3 MB

7.创建镜像链接为基础镜像打个标签

[root@localhost ~]# docker tag docker.io/busybox 192.168.0.167:5000/busybox

[root@localhost ~]# docker images

REPOSITORY TAG IMAGE ID CREATED VIRTUAL SIZE

192.168.0.167:5000/busybox latest 0064fda8c45d 5 days ago 1.113 MB

docker.io/busybox latest 0064fda8c45d 5 days ago 1.113 MB

docker.io/registry latest 105c6c9299d9 5 days ago 423.3 MB

docker.io/centos latest ce20c473cd8a 6 days ago 172.3 MB

8.修改docker配置文件，指定私有仓库url

[root@localhost ~]# vim /etc/sysconfig/docker

修改此行

OPTIONS='--insecure-registry 192.168.0.167:5000 '

[root@localhost ~]# service docker restart

9.上传镜像到本地私有仓库

docker push 192.168.0.167:5000/busybox

10.查看私有仓库是否有对应的镜像

[root@localhost ~]# curl 192.168.0.167:5000/v1/search

{"num_results": 1, "query": "", "results": [{"description": "", "name": "library/busybox"}]}

11.查看镜像的存储目录和文件

[root@localhost ~]# tree /opt/data/registry/repositories/

/opt/data/registry/repositories/

└── library

└── ssh

├── _index_images

├── json

├── tag_latest

└── taglatest_json

2 directories, 4 files

客户端

1.安装并启动docker

yum -y install docker

service docker start

chkconfig docker on

2.修改docker配置文件，指定私有仓库url

[root@localhost ~]# vim /etc/sysconfig/docker

修改此行

OPTIONS='--insecure-registry 192.168.0.167:5000 '

[root@localhost ~]# service docker restart

3.测试，下载刚才上传的镜像

[root@localhost ~]# docker pull 192.168.0.167:5000/busybox

[root@localhost ~]# docker images

REPOSITORY TAG IMAGE ID CREATED VIRTUAL SIZE

192.168.0.167:5000/busybox latest 0064fda8c45d 5 days ago 1.113 MB

docker.io/registry latest 105c6c9299d9 5 days ago 423.3 MB

docker.io/centos latest ce20c473cd8a 6 days ago 172.3 MB

docker.io/atcol/docker-registry-ui latest d838355ad903 6 months ago 890.5 MB

(责任编辑：IT)