Handle the cases where GVRFromType returns neither a GVR nor an error

Author: L3n41c

pkg/customresourcestate/config.go

@@ -208,7 +208,12 @@ func FromConfig(decoder ConfigDecoder, discovererInstance *discovery.CRDiscovere
 			if err != nil {
 				return nil, fmt.Errorf("failed to create GVR for %s: %w", resource.GroupVersionKind, err)
 			}
-			gvrString := gvr.String()
+			var gvrString string
+			if gvr != nil {
+				gvrString = gvr.String()
+			} else {
+				gvrString = factory.Name()
+			}
 			if _, ok := factoriesIndex[gvrString]; ok {
 				klog.InfoS("reloaded factory", "GVR", gvrString)
 			}

pkg/util/utils.go

@@ -101,7 +101,13 @@ func CreateCustomResourceClients(apiserver string, kubeconfig string, factories
 		if err != nil {
 			return nil, err
 		}
-		customResourceClients[gvr.String()] = customResourceClient
+		var gvrString string
+		if gvr != nil {
+			gvrString = gvr.String()
+		} else {
+			gvrString = f.Name()
+		}
+		customResourceClients[gvrString] = customResourceClient
 	}
 	return customResourceClients, nil
 }