第二步：私有镜像仓库Harbor的使用
| 前序： 第一步：私有镜像仓库Harbor的安装部署 |
一、将容器打包为镜像，上传到Harbor
1、查看镜像
输入命令
docker images
打印返回
REPOSITORY TAG IMAGE ID CREATED SIZE
ubuntu 16.04 b6f507652425 2 years ago 135MB
2、查看容器
输入命令
docker ps -a
打印返回
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
e80c30a2e599 ubuntu:16.04 "bash" 7 days ago Exited (0) 18 hours ago 0.0.0.0:8801->80/tcp, :::8801->80/tcp ubuntu-1
1、打包容器
docker commit -a "lxcw" -m "for vAC keepalived+nginx" ubuntu-1 vac_ubuntu:v0.1
2、查看镜像
输入命令
docker images
打印返回
REPOSITORY TAG IMAGE ID CREATED SIZE
vac_ubuntu v0.1 b1e07b814206 23 hours ago 444MB
ubuntu 16.04 b6f507652425 2 years ago 135MB
3、标记镜像
docker tag vac_ubuntu:v0.1 192.168.100.120:8802/library/vac_ubuntu:v0.1
4、查看镜像
输入命令
docker images
打印返回
REPOSITORY TAG IMAGE ID CREATED SIZE
vac_ubuntu v0.1 b1e07b814206 23 hours ago 444MB
192.168.100.120:8802/library/vac_ubuntu v0.1 b1e07b814206 23 hours ago 444MB
ubuntu 16.04 b6f507652425 2 years ago 135MB
2、登录仓库
docker login -u admin -p Harbor12345 192.168.100.120:8802
2、上传镜像
输入命令
docker push 192.168.100.120:8802/library/vac_ubuntu:v0.1
打印返回
The push refers to repository [192.168.100.120:8802/library/vac_ubuntu]
fedb7970623a: Pushed
1251204ef8fc: Pushed
47ef83afae74: Pushed
df54c846128d: Pushed
be96a3f634de: Pushed
二、从Harbor拉取镜像到本地
1、查看本地已存在镜像
docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
vac_ubuntu v0.1 b1e07b814206 23 hours ago 444MB
192.168.100.120:8802/library/vac_ubuntu v0.1 b1e07b814206 23 hours ago 444MB
ubuntu 16.04 b6f507652425 2 years ago 135MB
2、已存在，先删除
docker rmi 192.168.100.120:8802/library/vac_ubuntu:v0.1
3、查看镜像
输入命令
docker images
打印返回
REPOSITORY TAG IMAGE ID CREATED SIZE
vac_ubuntu v0.1 b1e07b814206 24 hours ago 444MB
ubuntu 16.04 b6f507652425 2 years ago 135MB
3、拉取镜像
docker pull 192.168.100.120:8802/library/vac_ubuntu:v0.1
4、查看镜像
输入命令
docker images
打印返回
REPOSITORY TAG IMAGE ID CREATED SIZE
192.168.100.120:8802/library/vac_ubuntu v0.1 b1e07b814206 24 hours ago 444MB
vac_ubuntu v0.1 b1e07b814206 24 hours ago 444MB
ubuntu 16.04 b6f507652425 2 years ago 135MB
三、一些问题？
1、connect: no route to host
问题重现
| The push refers to repository [192.168.100.120:8802/library/vac_ubuntu] Get "http://192.168.100.120:8802/v2/": dial tcp 192.168.100.120:8802: connect: no route to host |
| 原因: 防火墙未允许8802端口通过，关闭Harbor仓库所在主机的防火墙，或者打开8802端口规则 解决方法: 关闭防火墙 |
输入命令
systemctl stop firewalld
2、connect: connection refused
问题重现
| Error response from daemon: Get "http://192.168.100.120:8802/v2/": dial tcp 192.168.100.120:8802: connect: connection refused |
| 原因: docker客户端未添加白名单，即忽略安全注册表 解决方法: 如下 |
输入命令
vim /etc/docker/daemon.json
增加内容
{
"insecure-registries": ["192.168.100.120:8802"]
}
重启守护进程
systemctl daemon-reload
重启docker
systemctl restart docker
测试登录
docker login -u admin -p Harbor12345 192.168.100.120:8802