response actual resource list type

Signed-off-by: lizhen6 <lizhen6@360.cn>

pkg/registry/search/storage/cache.go

@@ -71,13 +71,21 @@ func (r *SearchREST) newCacheHandler(info *genericrequest.RequestInfo, responder
 		// TODO: process opts.Limit to prevent the client from being unable to process the response
 		// due to the large size of the response body.
 		objItems := r.getObjectItemsFromClusters(clusters, resourceGVR, info.Namespace, info.Name, label)
+		kind, err := r.restMapper.KindFor(resourceGVR)
+		if err != nil {
+			rw.WriteHeader(http.StatusInternalServerError)
+			klog.Errorf("Failed to find kind, resource: %s, %v", resourceGVR.Resource, err)
+			_ = enc.Encode(errorResponse{Error: err.Error()})
+			return
+		}
 		rr := reqResponse{
 			TypeMeta: metav1.TypeMeta{
 				APIVersion: resourceGVR.GroupVersion().String(),
-				Kind:       "List", // TODO: obtains the kind type of the actual resource list.
+				Kind:       kind.Kind + "List",
 			},
 			Items: objItems,
 		}
+		rw.Header().Set("Content-Type", "application/json; charset=utf-8")
 		_ = enc.Encode(rr)
 	}), nil
 }

pkg/registry/search/storage/search.go

@@ -6,6 +6,7 @@ import (
 	"net/http"
 	"strings"
 
+	"k8s.io/apimachinery/pkg/api/meta"
 	"k8s.io/apimachinery/pkg/runtime"
 	genericrequest "k8s.io/apiserver/pkg/endpoints/request"
 	"k8s.io/apiserver/pkg/registry/rest"
@@ -20,6 +21,7 @@ import (
 type SearchREST struct {
 	multiClusterInformerManager genericmanager.MultiClusterInformerManager
 	clusterLister               clusterlister.ClusterLister
+	restMapper                  meta.RESTMapper
 
 	// add needed parameters here
 }
@@ -31,10 +33,12 @@ var _ rest.Connecter = &SearchREST{}
 // NewSearchREST returns a RESTStorage object that will work against search.
 func NewSearchREST(
 	multiClusterInformerManager genericmanager.MultiClusterInformerManager,
-	clusterLister clusterlister.ClusterLister) *SearchREST {
+	clusterLister clusterlister.ClusterLister,
+	restMapper meta.RESTMapper) *SearchREST {
 	return &SearchREST{
 		multiClusterInformerManager: multiClusterInformerManager,
 		clusterLister:               clusterLister,
+		restMapper:                  restMapper,
 	}
 }
 

pkg/search/apiserver.go

@@ -80,7 +80,10 @@ func (c completedConfig) New() (*APIServer, error) {
 	v1alpha1search["resourceregistries/status"] = resourceRegistryStorage.Status
 
 	if c.ExtraConfig.Controller != nil {
-		searchREST := searchstorage.NewSearchREST(c.ExtraConfig.Controller.InformerManager, c.ExtraConfig.Controller.clusterLister)
+		searchREST := searchstorage.NewSearchREST(
+			c.ExtraConfig.Controller.InformerManager,
+			c.ExtraConfig.Controller.clusterLister,
+			c.ExtraConfig.Controller.restMapper)
 		v1alpha1search["search"] = searchREST
 	}