mcs 连接失败

[13567436138]

serviceimport/cpp-ServiceExport-ServiceImport.yaml

# propagate ServiceExport CRD
apiVersion: policy.karmada.io/v1alpha1
kind: ClusterPropagationPolicy
metadata:
  name: serviceexport-policy
spec:
  resourceSelectors:
    - apiVersion: apiextensions.k8s.io/v1
      kind: CustomResourceDefinition
      name: serviceexports.multicluster.x-k8s.io
  placement:
    clusterAffinity:
      clusterNames:
        - cluster1
        - cluster2
---        
# propagate ServiceImport CRD
apiVersion: policy.karmada.io/v1alpha1
kind: ClusterPropagationPolicy
metadata:
  name: serviceimport-policy
spec:
  resourceSelectors:
    - apiVersion: apiextensions.k8s.io/v1
      kind: CustomResourceDefinition
      name: serviceimports.multicluster.x-k8s.io
  placement:
    clusterAffinity:
      clusterNames:
        - cluster1
        - cluster2

 kubectl get serviceexports.multicluster.x-k8s.io --kubeconfig ~/kube-karmada --context karmada-apiserver 

 kubectl apply -f cpp-ServiceExport-ServiceImport.yaml -n karmada --kubeconfig ~/kube-karmada --context karmada-apiserver 

serviceimport/nginx-deploy.yaml

apiVersion: apps/v1
kind: Deployment
metadata:
  name: nginx
  labels:
    app: nginx
spec:
  replicas: 1
  selector:
    matchLabels:
      app: nginx
  template:
    metadata:
      labels:
        app: nginx
    spec:
      containers:
      - image: nginx
        name: nginx

 kubectl apply -f nginx-deploy.yaml  -n karmada --kubeconfig ~/kube-karmada 

serviceimport/PropagationPolicy-cluster2-nginx.yaml

apiVersion: policy.karmada.io/v1alpha1
kind: PropagationPolicy
metadata:
  name: nginx-cluster2
spec:
  resourceSelectors:
    - apiVersion: apps/v1
      kind: Deployment
      name: nginx
  placement:
    clusterAffinity:
      clusterNames:
        - cluster2

 kubectl apply -f PropagationPolicy-cluster2-nginx.yaml  -n karmada --kubeconfig ~/kube-karmada

serviceimport/svc-nginx.yaml

apiVersion: v1 
kind: Service 
metadata:
  name: nginx 
spec:
  type: ClusterIP 
  selector:
    app: nginx 
  ports:
  - name: http 
    port: 80 
    targetPort: 80

 kubectl apply -f svc-nginx.yaml -n karmada --kubeconfig ~/kube-karmada 

serviceimport/nginx-svc-propagation-policy-cluster2.yaml

apiVersion: policy.karmada.io/v1alpha1
kind: PropagationPolicy
metadata:
  name: nginx-propagation-policy-cluster2
spec:
  resourceSelectors:
    - apiVersion: v1
      kind: Service
      name: nginx
  placement:
    clusterAffinity:
      clusterNames:
        - cluster2

 kubectl apply -f nginx-svc-propagation-policy-cluster2.yaml  -n karmada --kubeconfig ~/kube-karmada

serviceimport/se-server-cluster2.yaml

kubectl apply -f se-server-cluster2.yaml -n karmada

apiVersion: multicluster.x-k8s.io/v1alpha1
kind: ServiceExport
metadata:
  name: nginx
---
apiVersion: policy.karmada.io/v1alpha1
kind: PropagationPolicy
metadata:
  name: nginx-export-policy
spec:
  resourceSelectors:
    - apiVersion: multicluster.x-k8s.io/v1alpha1
      kind: ServiceExport
      name: nginx
  placement:
    clusterAffinity:
      clusterNames:
        - cluster2

 kubectl apply -f se-server-cluster2.yaml  -n karmada --kubeconfig ~/kube-karmada

serviceimport/si-nginx-sessionAffinity-None.yaml

kubectl apply -f si-nginx-sessionAffinity-None.yaml -n karmada --kubeconfig ~/kube-karmada

apiVersion: multicluster.x-k8s.io/v1alpha1
kind: ServiceImport
metadata:
  name: nginx
spec:
  type: ClusterSetIP
  ports:
  - port: 80
    protocol: TCP
  sessionAffinity: None 
---
apiVersion: policy.karmada.io/v1alpha1
kind: PropagationPolicy
metadata:
  name: nginx-import-policy
spec:
  resourceSelectors:
    - apiVersion: multicluster.x-k8s.io/v1alpha1
      kind: ServiceImport
      name: nginx
  placement:
    clusterAffinity:
      clusterNames:
        - cluster1

报错： Connecting to derived-nginx.karmada.svc.cluster.local:80 (10.69.176.180:80) wget: can't connect to remote host (10.69.176.180): Connection refused

endpointslice也生成了

[root@member1-153 ~]# kubectl get endpointslices.discovery.k8s.io -n karmada
NAME                            ADDRESSTYPE   PORTS   ENDPOINTS      AGE
imported-cluster2-nginx-zn5w8   IPv4          80      172.22.0.97    32m
nginx-xx689                     IPv4          80      10.70.220.56   30m

就是访问不了集群2

karmada版本1.4.0 k8s版本1.23.1

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[XiShanYongYe-Chang]

Is the container network between clusters not connected? For karmada mcs, the synchronization of endpoints is considered successful once completed.

[XiShanYongYe-Chang]

/kind question /remove-good first issue

[13567436138]

only endpointslice no endpoints

[XiShanYongYe-Chang]

Yes, currently only the EndpointSlice resource has been processed.