Minikube 无法使用 yaml 公开服务

Question

正在尝试运行本地注册表。我有以下配置：

部署：

apiVersion: apps/v1beta2
kind: Deployment
metadata:
  name: registry
  labels:
    app: registry
    role: registry
spec:
  replicas: 1
  selector:
    matchLabels:
      app: registry
  template:
    metadata:
      labels:
        app: registry
    spec:
      containers:
      - name: registry
        image: registry:latest
        ports:
        - containerPort: 5000
        volumeMounts:
          - mountPath: '/registry'
            name: registry-volume
      volumes:
      - name: registry-volume
        hostPath:
          path: '/data'
          type: Directory

服务：

apiVersion: v1
kind: Service
metadata:
  name: registry
  namespace: default
  labels:
    app: registry
spec:
  selector:
    role: registry
  type: NodePort
  ports:
    - name: registry
      nodePort: 31001
      port: 5000
      protocol: TCP

创建 deployment/service 时一切正常。 kubectl 将服务和部署的状态显示为 Running：

NAME              DESIRED   CURRENT   UP-TO-DATE   AVAILABLE   AGE
deploy/registry   1         1         1            1           30m

NAME                     DESIRED   CURRENT   READY     AGE
rs/registry-6549cbc974   1         1         1         30m

NAME              DESIRED   CURRENT   UP-TO-DATE   AVAILABLE   AGE
deploy/registry   1         1         1            1           30m

NAME                     DESIRED   CURRENT   READY     AGE
rs/registry-6549cbc974   1         1         1         30m

NAME                           READY     STATUS    RESTARTS   AGE
po/registry-6549cbc974-mmqpj   1/1       Running   0          30m

NAME             TYPE        CLUSTER-IP   EXTERNAL-IP   PORT(S)          AGE
svc/kubernetes   ClusterIP   10.0.0.1     <none>        443/TCP          37m
svc/registry     NodePort    10.0.0.6     <none>        5000:31001/TCP   7m

但是，当我尝试使用 minikube service registry --url 获取服务的外部 IP 时，它 times-out/fails: Waiting, endpoint for service is not ready yet....

当我删除服务（保持部署不变）并使用 kubectl expose deployment registry --type=NodePort 手动公开部署时，我能够让它工作。

可以找到Minikube日志here。

Answer 1

您需要在 registry 服务清单中指定正确的 spec.selector：

apiVersion: v1
kind: Service
metadata:
  name: registry
  namespace: default
  labels:
    app: registry
spec:
  selector:
    app: registry
  type: NodePort
  ports:
    - name: registry
      nodePort: 31001
      port: 5000
      protocol: TCP

现在 registry 服务正确指向 registry pod：

$ kubectl get endpoints
NAME         ENDPOINTS         AGE
kubernetes   10.0.2.15:8443    14m
registry     172.17.0.4:5000   4s

您还可以获得外部 url：

$ minikube service registry --url
http://192.168.99.106:31001

Minikube 无法使用 yaml 公开服务

Minikube unable to expose service with yaml

kubernetes

minikube