yang@k8s-master:~$ kubectl get pod
NAME                           READY   STATUS             RESTARTS   AGE
hello-world1-789db8d56-8xk5b   0/1     ImagePullBackOff   0          38s


Events:
  Type     Reason     Age   From               Message
  ----     ------     ----  ----               -------
  Normal   Scheduled  24s   default-scheduler  Successfully assigned default/hello-world1-789db8d56-8xk5b to k8s-node1
  Normal   Pulling    22s   kubelet            Pulling image "gcr.io/google-samples/hello-app:1.0"
  Warning  Failed     1s    kubelet            Failed to pull image "gcr.io/google-samples/hello-app:1.0": failed to pull and unpack image "gcr.io/google-samples/hello-app:1.0": failed to resolve reference "gcr.io/google-samples/hello-app:1.0": failed to do request: Head "https://gcr.io/v2/google-samples/hello-app/manifests/1.0": dial tcp 64.233.187.82:443: connect: connection refused
  Warning  Failed     1s    kubelet            Error: ErrImagePull
  Normal   BackOff    1s    kubelet            Back-off pulling image "gcr.io/google-samples/hello-app:1.0"
  Warning  Failed     1s    kubelet            Error: ImagePullBackOff

gcr.io/google-samples 镜像不能正常拉取

发现gcr.io禁止中国大陆地区访问

修改image地址 使用代理

apiVersion: apps/v1
kind: Deployment
metadata:
  name: hello-world1
spec:
  replicas: 1
  selector:
    matchLabels:
      app: hello-world
  template:
    metadata:
      labels:
        app: hello-world
    spec:
      containers:
      - name: hello-world
#        image: gcr.io/google-samples/hello-app:1.0
        image: gcr.lank8s.cn/google-samples/hello-app:1.0
        ports:
        - containerPort: 8080

yang@k8s-master:~$ kubectl delete deployments.apps hello-world1 
deployment.apps "hello-world1" deleted
yang@k8s-master:~$ kubectl apply -f hello.yaml 
deployment.apps/hello-world1 created
yang@k8s-master:~$ kubectl get pod
NAME                            READY   STATUS    RESTARTS   AGE
hello-world1-64846684bd-l2m7s   1/1     Running   0          7s

k8s.gcr.io → lank8s.cn，gcr.io → gcr.lank8s.cn