父集群中直接通过服务去访问部署在子集群中的服务

$ kubectl clusternet apply -f examples/scheduling-with-mcs-api/scheduling
namespace/baz created
deployment.apps/my-nginx created
service/my-nginx-svc created
serviceexport.multicluster.x-k8s.io/my-nginx-svc created
subscription.apps.clusternet.io/scheduling-with-mcs-api created

apiVersion: multicluster.x-k8s.io/v1alpha1
kind: ServiceImport
metadata:
  name: my-svc
  namespace: default
  labels:
    services.clusternet.io/multi-cluster-service-name: my-nginx-svc # must be same to the service name you want to expose
    services.clusternet.io/multi-cluster-service-namespace: baz # must be same to the service namespace
spec:
  ips:
    - 42.42.42.42
  type: "ClusterSetIP"
  ports:
  - port: 80
    protocol: TCP
  sessionAffinity: None

$ kubectl create -f examples/scheduling-with-mcs-api/service-import.yaml
serviceimport.multicluster.x-k8s.io/my-svc created

root@worker-cluster1-1:~/clusternet# kubectl get svc 
NAME                     TYPE           CLUSTER-IP      EXTERNAL-IP    PORT(S)        AGE
derived-baz-tc8hmv632j   ClusterIP      10.11.178.229   <none>         80/TCP         1d
kubernetes               ClusterIP      10.11.0.1       <none>         443/TCP        306d
root@worker-cluster1-1:~/clusternet# kubectl get svc derived-baz-tc8hmv632j -o yaml
apiVersion: v1
kind: Service
metadata:
  creationTimestamp: "2022-09-01T07:42:31Z"
  name: derived-baz-tc8hmv632j
  namespace: default
  resourceVersion: "100369299"
  selfLink: /api/v1/namespaces/default/services/derived-baz-tc8hmv632j
  uid: 91c19b02-c15b-4166-9bcc-6931d0859723
spec:
  clusterIP: 10.11.178.229
  clusterIPs:
  - 10.11.178.229
  ipFamilies:
  - IPv4
  ipFamilyPolicy: SingleStack
  ports:
  - port: 80
    protocol: TCP
    targetPort: 80
  sessionAffinity: None
  type: ClusterIP
status:
  loadBalancer:
    ingress:
    - ip: 42.42.42.42

$ kubectl get endpointslice -l kubernetes.io/service-name=derived-baz-tc8hmv632j
NAME                                      ADDRESSTYPE   PORTS   ENDPOINTS                                         AGE
clusternet-s5cmf-baz-my-nginx-svc-4rg6x   IPv4          80      10.244.1.36,10.244.1.40,10.244.1.38 + 3 more...   10m