proxy - 将 docker 镜像拉到企业防火墙后面抛出 "Server error: Status 0 while fetching image layer"

Question

我无法下载公司防火墙后面的图像。

This post帮我修复了没有与主机名相关的地址 错误。我使用 Cntlm 进行代理用户身份验证。

$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description:    Ubuntu 15.10
Release:    15.10
Codename:   wily

$ docker -v
Docker version 1.9.1, build a34a1d5

$ sudo docker search ubuntu
Error response from daemon: Get https://index.docker.io/v1/search?q=ubuntu: dial tcp: lookup index.docker.io: No address associated with hostname
$ sudo mv /tmp/http-proxy.conf /etc/systemd/system/docker.service.d/http-proxy.conf
$ cat /etc/systemd/system/docker.service.d/http-proxy.conf 
[Service]
Environment="HTTP_PROXY=http://localhost:3128/"

$ sudo systemctl daemon-reload
$ sudo systemctl restart docker
$ sudo docker search ubuntu | sed -e 1b -e '$!d'
NAME                              DESCRIPTION                                     STARS     OFFICIAL   AUTOMATED
esycat/ubuntu                     Ubuntu LTS                                      0                    [OK]

拉取请求与服务器交互，找到端点并失败: 服务器错误:获取图像层时状态 0 .

$ sudo docker pull ubuntu
Using default tag: latest
latest: Pulling from library/ubuntu

fcee8bcfe180: Pulling fs layer 
4cdc0cbc1936: Pulling fs layer 
d9e545b90db8: Pulling fs layer 
c4bea91afef3: Pulling fs layer 
Pulling repository docker.io/library/ubuntu
af88597ec24b: Pulling image (latest) from docker.io/library/ubuntu, endpoint: https://registry-1.docker.iaf88597ec24b: Error pulling image (latest) from docker.io/library/ubuntu, endpoint: https://registry-1.docker.io/v1/, Server error: Status 0 while fetching image layer (895b070402bd7d26d9595e939422c598e8cc1f4adaf88597ec24b: Error pulling image (latest) from docker.io/library/ubuntu, Server error: Status 0 while fetching image layer (895b070402bd7d26d9595e939422c598e8cc1f4ade1b34e2a9659138ffe3c5c9) 

Error pulling image (latest) from docker.io/library/ubuntu, Server error: Status 0 while fetching image layer (895b070402bd7d26d9595e939422c598e8cc1f4ade1b34e2a9659138ffe3c5c9)

知道为什么拉取请求失败吗？拉取请求是否使用不同的端口和/或协议(protocol)？我的配置文件中是否缺少某些内容？

Answer 1

在最后几天，我发现服务器错误:获取图像层时状态 0 是针对任何类型的网络问题的通用错误消息。它可以指向 incorrect DNS server或缺少 SSL 证书。

我通过 updating all SSL certificates 解决了它使用最新的和重新启动的 docker。