无法在kubernetes上通过头盔安装密钥斗篷

Question

由头盔安装的钥匙斗篷

$ helm install codecentric/keycloak
$ helm install keycloak codecentric/keycloak

检查kubernetes上的Pod状态

$ kubectl get pods
NAME         READY   STATUS             RESTARTS   AGE
keycloak-0   0/1     ImagePullBackOff   0          52s

查看详细事件

Events:
  Type     Reason     Age               From               Message
  ----     ------     ----              ----               -------
  Normal   Scheduled  <unknown>         default-scheduler  Successfully assigned default/keycloak-0 to node3
  Warning  Failed     24s               kubelet, node3     Failed to pull image "jboss/keycloak:9.0.2": rpc error: code = Unknown desc = failed to pull and unpack image "docker.io/jboss/keycloak:9.0.2": failed to resolve reference "docker.io/jboss/keycloak:9.0.2": failed to do request: Head https://registry-1.docker.io/v2/jboss/keycloak/manifests/9.0.2: dial tcp 52.55.198.220:443: i/o timeout
  Warning  Failed     24s               kubelet, node3     Error: ErrImagePull
  Normal   BackOff    23s               kubelet, node3     Back-off pulling image "jboss/keycloak:9.0.2"
  Warning  Failed     23s               kubelet, node3     Error: ImagePullBackOff
  Normal   Pulling    8s (x2 over 54s)  kubelet, node3     Pulling image "jboss/keycloak:9.0.2"

为什么不能成功提取图像？

Answer 1

如评论所建议，这似乎是与防火墙相关的问题。我刚刚在本地minikube实例上运行了相同的命令，并且运行良好。您的集群可以从dockerhub中提取其他图像吗？您可以ssh进入您的任何工作程序节点，并尝试使用docker pull进行查找。