K8s pod

Question

创建了一个非常简单的nginx并运行到状态ImagePullBackoff。

Events:
  Type     Reason     Age                   From               Message
  ----     ------     ----                  ----               -------
  Normal   Scheduled  32m                   default-scheduler  Successfully assigned reloader/nginx to aks-appnodepool1-22779252-vmss000000
  Warning  Failed     29m                   kubelet            Failed to pull image "nginx": rpc error: code = Unknown desc = failed to pull and unpack image "docker.io/library/nginx:latest": failed to resolve reference "docker.io/library/nginx:latest": failed to do request: Head "https://registry-1.docker.io/v2/library/nginx/manifests/latest": dial tcp 52.200.78.26:443: i/o timeout
  Warning  Failed     27m                   kubelet            Failed to pull image "nginx": rpc error: code = Unknown desc = failed to pull and unpack image "docker.io/library/nginx:latest": failed to resolve reference "docker.io/library/nginx:latest": failed to do request: Head "https://registry-1.docker.io/v2/library/nginx/manifests/latest": dial tcp 52.21.28.242:443: i/o timeout
  Warning  Failed     23m                   kubelet            Failed to pull image "nginx": rpc error: code = Unknown desc = failed to pull and unpack image "docker.io/library/nginx:latest": failed to resolve reference "docker.io/library/nginx:latest": failed to do request: Head "https://registry-1.docker.io/v2/library/nginx/manifests/latest": dial tcp 3.223.210.206:443: i/o timeout
  Normal   Pulling    22m (x4 over 32m)     kubelet            Pulling image "nginx"
  Warning  Failed     20m (x4 over 29m)     kubelet            Error: ErrImagePull
  Warning  Failed     20m                   kubelet            Failed to pull image "nginx": rpc error: code = Unknown desc = failed to pull and unpack image "docker.io/library/nginx:latest": failed to resolve reference "docker.io/library/nginx:latest": failed to do request: Head "https://registry-1.docker.io/v2/library/nginx/manifests/latest": dial tcp 3.228.155.36:443: i/o timeout
  Warning  Failed     20m (x7 over 29m)     kubelet            Error: ImagePullBackOff
  Warning  Failed     6m41s                 kubelet            Failed to pull image "nginx": rpc error: code = Unknown desc = failed to pull and unpack image "docker.io/library/nginx:latest": failed to resolve reference "docker.io/library/nginx:latest": failed to do request: Head "https://registry-1.docker.io/v2/library/nginx/manifests/latest": dial tcp 52.5.157.114:443: i/o timeout
  Normal   BackOff    2m17s (x65 over 29m)  kubelet            Back-off pulling image "nginx"

已检查的网络状态：

• 同一子网中的VM可以成功地访问"https://registry-1.docker.io/v2/library/nginx/manifests/latest“和telnet 52.5.157.114 443。
• docker pull nginx成功地在同一子网中的VM上运行。
• 将kubectl exec放入同一个集群中的运行荚中，可以成功地实现wget https://registry-1.docker.io/v2/library/nginx/manifests/latest。。可能的问题是什么？

Answer 1

原来是防火墙丢了包裹。

Answer 2

当我得到/卷发或你想访问的任何东西时

https://registry-1.docker.io/v2/library/nginx/manifests/latest

上面写着

{"errors":[{"code":"UNAUTHORIZED","message":"authentication required","detail":[{"Type":"repository","Class":"","Name":"library/nginx","Action":"pull"}]}]}

但是，这是因为您需要登录才能从这个存储库中提取这个映像。

2个解决方案：

第一个很简单，在图像字段中，只需用nginx:latest替换这个url，它就可以工作了。

第二个:创建一个雷格勒德

Answer 3

在结荚yaml中，将image : docker.io/library/nginx:latest更改为docker.io/nginx:latest