Docker：私有仓库registry [十一]
一、运行docker私有仓库
安装registry
docker run -d -p 5000:5000 --restart=always --name registry -v /opt/myregistry:/var/lib/registry registry
当容器启动完成，私有仓库就可以使用了
二、上传到私有仓库的步骤：
1、给要上传的镜像打tag
[root@luoahong ~]# docker images REPOSITORY TAG IMAGE ID CREATED SIZE httpd latest ef1dc54703e2 2 weeks ago 132
[root@luoahong ~]# docker image tag httpd:latest 192.168.228.134:5000/httpd:latest
2、上传
[root@luoahong ~]# docker images REPOSITORY TAG IMAGE ID CREATED SIZE httpd latest ef1dc54703e2 2 weeks ago 132MB [root@luoahong ~]# docker push 192.168.228.134:5000/httpd:latest The push refers to repository [192.168.228.134:5000/httpd] Get https://192.168.228.134:5000/v2/: http: server gave HTTP response to HTTPS client
3、报错解决方法
[root@luoahong ~]# vim /etc/docker/daemon.json
{
"registry-mirrors": ["https://registry.docker-cn.com"],
"insecure-registries": ["192.168.228.134:5000"]
}
[root@luoahong ~]# systemctl restart docker
[root@luoahong ~]# docker push 192.168.228.134:5000/httpd:latest
The push refers to repository [192.168.228.134:5000/httpd]
64446057e402: Pushed
13a694db88ed: Pushed
3fc0ec65884c: Pushed
30d0b099e805: Pushed
7b4e562e58dc: Pushed
latest: digest: sha256:246fed9aa9be7aaba1e04d9146be7a3776c9a40b5cfb3242d3427f79edee37db size: 1367
[root@luoahong ~]# docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
httpd latest ef1dc54703e2 2 weeks ago 132MB
192.168.228.134:5000/httpd latest ef1dc54703e2 2 weeks ago 132MB
三、上传原理推导
1、客户端
[root@luoahong ~]# docker pull fedora:latest latest: Pulling from library/fedora d0483bd5a554: Pull complete Digest: sha256:4a861283a7f0a8ce3d19b42f4c0a10d7012a4d12f785149d82a0800cdb4498b0 Status: Downloaded newer image for fedora:latest [root@luoahong ~]# docker image tag fedora:latest 192.168.228.134:5000/fedora:latest [root@luoahong ~]# docker push 192.168.228.134:5000/fedora:latest The push refers to repository [192.168.228.134:5000/fedora] a13f3c019d29: Pushed latest: digest: sha256:f6d888e4caccb101aa540013d46089803f84f2b41b7ce70ef6b42e1ff4b33254 size: 529
2、私有仓库
没有推送fedora之前
[root@luoahong1 ~]# cd /opt/myregistry/docker/registry/v2/repositories/
[root@luoahong1 repositories]# ls
centos httpd
[root@luoahong1 repositories]# pwd
/opt/myregistry/docker/registry/v2/repositories
[root@luoahong1 repositories]# tree httpd/_manifests/
httpd/_manifests/
├── revisions
│ └── sha256
│ └── 246fed9aa9be7aaba1e04d9146be7a3776c9a40b5cfb3242d3427f79edee37db
│ └── link
└── tags
└── latest
├── current
│ └── link
└── index
└── sha256
└── 246fed9aa9be7aaba1e04d9146be7a3776c9a40b5cfb3242d3427f79edee37db
└── link
推送fedora之后
[root@luoahong1 repositories]# ls centos fedora httpd [root@luoahong1 repositories]# pwd /opt/myregistry/docker/registry/v2/repositories
四、带base认证的私有仓库
0、没有带base认证前
[root@luoahong ~]# docker images REPOSITORY TAG IMAGE ID CREATED SIZE 192.168.228.134:5000/httpd latest ef1dc54703e2 2 weeks ago 132MB httpd latest ef1dc54703e2 2 weeks ago 132MB centos latest 1e1148e4cc2c 6 weeks ago 202MB 192.168.228.134:5000/fedora latest 8c568f104326 2 months ago 267MB fedora latest 8c568f104326 2 months ago 267MB centos 6.8 e54faac158ff 3 months ago 195MB centos 6.9 e88c611d16a0 3 months ago 195MB 192.168.228.134:5000/centos 6.9 e88c611d16a0 3 months ago 195MB [root@luoahong ~]# docker rmi centos:6.9 192.168.228.134:5000/centos:6.9 Untagged: centos:6.9 Untagged: centos@sha256:48623f1cc1ff287ef4843888bcee22285066adf2d5da6daf000070bee83cd93a Untagged: 192.168.228.134:5000/centos:6.9 Untagged: 192.168.228.134:5000/centos@sha256:29b4ae1d59c681e6e8bb6f8eff1ec9f1c18cd24ae23b7d612e3a38c27a44f92f Deleted: sha256:e88c611d16a001c1494b11a55bc25c0e9d63e67444d754d01f0ffa7de92a15c7 [root@luoahong ~]# docker pull 192.168.228.134:5000/centos:6.9 Error response from daemon: Get http://192.168.228.134:5000/v2/centos/manifests/6.9: no basic auth credentials
1、base认证密码文件准备
yum install httpd-tools -y mkdir /opt/registry-var/auth/ -p htpasswd -Bbn luoahong 123456 >> /opt/registry-var/auth/htpasswd
2、启动docker私有仓库
docker run -d -p 5000:5000 -v /opt/registry-var/auth/:/auth/ -v /opt/myregistry:/var/lib/registry -e "REGISTRY_AUTH=htpasswd" -e "REGISTRY_AUTH_HTPASSWD_REALM=Registry Realm" -e REGISTRY_AUTH_HTPASSWD_PATH=/auth/htpasswd registry
3、测试下载
[root@luoahong ~]# docker pull 192.168.228.134:5000/centos:6.9
Error response from daemon: Get http://192.168.228.134:5000/v2/centos/manifests/6.9: no basic auth credentials
[root@luoahong ~]#
[root@luoahong ~]# docker login 192.168.228.134:5000
Username: luoahong
Password:
WARNING! Your password will be stored unencrypted in /root/.docker/config.json.
Configure a credential helper to remove this warning. See
https://docs.docker.com/engine/reference/commandline/login/#credentials-store
Login Succeeded
[root@luoahong ~]# cat /root/.docker/config.json
{
"auths": {
"192.168.228.134:5000": {
"auth": "bHVvYWhvbmc6MTIzNDU2"
}
},
"HttpHeaders": {
"User-Agent": "Docker-Client/18.09.1 (linux)"
}
}[root@luoahong ~]#docker pull 192.168.228.134:5000/centos:6.9
6.9: Pulling from centos
993c50d47469: Pull complete
Digest: sha256:29b4ae1d59c681e6e8bb6f8eff1ec9f1c18cd24ae23b7d612e3a38c27a44f92f
Status: Downloaded newer image for 192.168.228.134:5000/centos:6.9
[root@luoahong ~]# docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
192.168.228.134:5000/httpd latest ef1dc54703e2 2 weeks ago 132MB
httpd latest ef1dc54703e2 2 weeks ago 132MB
centos latest 1e1148e4cc2c 6 weeks ago 202MB
192.168.228.134:5000/fedora latest 8c568f104326 2 months ago 267MB
fedora latest 8c568f104326 2 months ago 267MB
centos 6.8 e54faac158ff 3 months ago 195MB
192.168.228.134:5000/centos 6.9 e88c611d16a0 3 months ago 195MB
4、私有仓库的缺点
私有仓库查看版本很麻烦
[root@luoahong1 repositories]# ls httpd/_manifests/tags/ latest [root@luoahong1 repositories]# pwd /opt/myregistry/docker/registry/v2/repositories
四、私有仓库缺点解决方案
1、查看镜像列表
使用浏览器访问：
http://192.168.228.134:5000/v2/_catalog
2、查看镜像列表
下面我已nginx为例
http://192.168.228.134:5000/v2/nginx/tags/list
3、删除镜像
1）进入docker registry的容器中
docker exec -it registry /bin/sh
2) 删除repo
rm -fr /var/lib/registry/docker/registry/v2/repositories/nginx
3) 清除掉：blob
registry garbage-collect /etc/docker/registry/config.yml
https://www.qstack.com.cn/archives/350.html
作者：罗阿红
出处：http://www.cnblogs.com/luoahong/
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