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我正在遵循有关如何在 Azure Kubernetes 服务上创建 Windows Server 容器的指南。关联

我提取了指南中演示的示例图像 (mcr.microsoft.com/dotnet/framework/samples:aspnetapp)，对其进行了标记并将其上传到 Azure 容器注册表。将应用程序部署到 Kubernetes 后，Pod 无法从容器注册表中提取映像。我还尝试使用来自 Docker hub 的原始图像导致同样的问题。

以下是kubectl describe其中一个 pod 上的命令输出

Name:               hello-world-56c76d8549-7248k
Namespace:          default
Priority:           0
PriorityClassName:  <none>
Node:               aksnpwin000000/10.240.0.35
Start Time:         Sat, 01 Jun 2019 19:33:21 +0530
Labels:             app=hello-world
                    pod-template-hash=56c76d8549
Annotations:        <none>
Status:             Pending
IP:                 10.240.0.47
Controlled By:      ReplicaSet/hello-world-56c76d8549
Containers:
  hello-world:
    Container ID:
    Image:          pocaspnetcoreweb.azurecr.io/pocaspnetcoreweb:v1
    Image ID:
    Port:           80/TCP
    Host Port:      0/TCP
    State:          Waiting
      Reason:       ImagePullBackOff
    Ready:          False
    Restart Count:  0
    Limits:
      cpu:     1
      memory:  800m
    Requests:
      cpu:        100m
      memory:     300m
    Environment:  <none>
    Mounts:
      /var/run/secrets/kubernetes.io/serviceaccount from default-token-m647n (ro)
Conditions:
  Type              Status
  Initialized       True
  Ready             False
  ContainersReady   False
  PodScheduled      True
Volumes:
  default-token-m647n:
    Type:        Secret (a volume populated by a Secret)
    SecretName:  default-token-m647n
    Optional:    false
QoS Class:       Burstable
Node-Selectors:  beta.kubernetes.io/os=windows
Tolerations:     node.kubernetes.io/not-ready:NoExecute for 300s
                 node.kubernetes.io/unreachable:NoExecute for 300s
Events:
  Type     Reason          Age                   From                     Message
  ----     ------          ----                  ----                     -------
  Normal   Scheduled       18m                   default-scheduler        Successfully assigned default/hello-world-56c76d8549-7248k to aksnpwin000000
  Normal   SandboxChanged  17m                   kubelet, aksnpwin000000  Pod sandbox changed, it will be killed and re-created.
  Warning  Failed          17m (x3 over 17m)     kubelet, aksnpwin000000  Failed to pull image "pocaspnetcoreweb.azurecr.io/pocaspnetcoreweb:v1": [rpc error: code = Unknown desc = a Windows version 10.0.18362-based image is incompatible with a 10.0.17763 host, rpc error: code = Unknown desc = Error response from daemon: Get https://pocaspnetcoreweb.azurecr.io/v2/pocaspnetcoreweb/manifests/v1: unauthorized: authentication required]
  Normal   Pulling         16m (x4 over 17m)     kubelet, aksnpwin000000  Pulling image "pocaspnetcoreweb.azurecr.io/pocaspnetcoreweb:v1"
  Warning  Failed          2m55s (x65 over 17m)  kubelet, aksnpwin000000  Error: ImagePullBackOff

事件部分有一个带有消息的事件

Warning  Failed          17m (x3 over 17m)     kubelet, aksnpwin000000  Failed to pull image "pocaspnetcoreweb.azurecr.io/pocaspnetcoreweb:v1": [rpc error: code = Unknown desc = a Windows version 10.0.18362-based image is incompatible with a 10.0.17763 host, rpc error: code = Unknown desc = Error response from daemon: Get https://pocaspnetcoreweb.azurecr.io/v2/pocaspnetcoreweb/manifests/v1: unauthorized: authentication required]

该消息对我来说似乎很清楚，因为它抱怨容器和主机之间的 Windows 版本不匹配。

我的 Kubernetes 部署文件

apiVersion: apps/v1
kind: Deployment
metadata:
  name: hello-world
  labels:
    app: hello-world
spec:
  replicas: 1
  template:
    metadata:
      name: hello-world
      labels:
        app: hello-world
    spec:
      nodeSelector:
        "beta.kubernetes.io/os": windows
      containers:
      - name: hello-world
        image: pocaspnetcoreweb.azurecr.io/pocaspnetcoreweb:v1
        resources:
          limits:
            cpu: 1
            memory: 800m
          requests:
            cpu: .1
            memory: 300m
        ports:
          - containerPort: 80
      imagePullSecrets:
      - name: acr-auth
  selector:
    matchLabels:
      app: hello-world
---
apiVersion: v1
kind: Service
metadata:
  name: hello-world
spec:
  type: LoadBalancer
  ports:
  - protocol: TCP
    port: 80
  selector:
    app: sample

如何确保容器和主机之间的 windows 版本匹配？有什么方法可以指定将在主机上使用的 Windows 版本？

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1 回答 1

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no, you cant do that (and if you think about it - it makes no sense, how do you dynamically change windows version on the host???). It has to be the other way around, find the image (or build the image) with the proper base host windows version.

https://hub.docker.com/_/microsoft-dotnet-framework-samples/

于 2019-06-03T06:25:47.020 回答