add federated resource api (#2725)

Signed-off-by: Jeff <zw0948@gmail.com>

pkg/models/resources/v1alpha3/federatedservice/federatedservices.go

@@ -0,0 +1,61 @@
+package federatedservice
+
+import (
+	"k8s.io/apimachinery/pkg/runtime"
+	"kubesphere.io/kubesphere/pkg/api"
+	"kubesphere.io/kubesphere/pkg/apis/types/v1beta1"
+	"kubesphere.io/kubesphere/pkg/apiserver/query"
+	informers "kubesphere.io/kubesphere/pkg/client/informers/externalversions"
+	"kubesphere.io/kubesphere/pkg/models/resources/v1alpha3"
+)
+
+type federatedServiceGetter struct {
+	informer informers.SharedInformerFactory
+}
+
+func New(informer informers.SharedInformerFactory) v1alpha3.Interface {
+	return &federatedServiceGetter{
+		informer: informer,
+	}
+}
+
+func (f *federatedServiceGetter) Get(namespace, name string) (runtime.Object, error) {
+	return f.informer.Types().V1beta1().FederatedServices().Lister().FederatedServices(namespace).Get(name)
+}
+
+func (f *federatedServiceGetter) List(namespace string, query *query.Query) (*api.ListResult, error) {
+	federatedServices, err := f.informer.Types().V1beta1().FederatedServices().Lister().FederatedServices(namespace).List(query.Selector())
+	if err != nil {
+		return nil, err
+	}
+
+	var result []runtime.Object
+	for _, fedService := range federatedServices {
+		result = append(result, fedService)
+	}
+
+	return v1alpha3.DefaultList(result, query, f.compare, f.filter), nil
+}
+
+func (f *federatedServiceGetter) compare(left runtime.Object, right runtime.Object, field query.Field) bool {
+	leftService, ok := left.(*v1beta1.FederatedService)
+	if !ok {
+		return false
+	}
+
+	rightService, ok := right.(*v1beta1.FederatedService)
+	if !ok {
+		return false
+	}
+
+	return v1alpha3.DefaultObjectMetaCompare(leftService.ObjectMeta, rightService.ObjectMeta, field)
+}
+
+func (f *federatedServiceGetter) filter(object runtime.Object, filter query.Filter) bool {
+	service, ok := object.(*v1beta1.FederatedService)
+	if !ok {
+		return false
+	}
+
+	return v1alpha3.DefaultObjectMetaFilter(service.ObjectMeta, filter)
+}