K8s: Add subresource to the example apiserver (#78030)

pkg/services/grafana-apiserver/common.go

@@ -42,16 +42,12 @@ type APIRouteHandler struct {
 	Handler http.HandlerFunc // when Level = resource, the resource will be available in context
 }
 
-// APIRoutes define the
+// APIRoutes define explicit HTTP handlers in an apiserver
+// TBD: is this actually necessary -- there may be more k8s native options for this
 type APIRoutes struct {
 	// Root handlers are registered directly after the apiVersion identifier
 	Root []APIRouteHandler
 
 	// Namespace handlers are mounted under the namespace
 	Namespace []APIRouteHandler
-
-	// Resource routes behave the same as pod/logs
-	// it looks like a sub-resource, however the response is backed directly by an http handler
-	// The current resource can be fetched through context
-	Resource map[string]APIRouteHandler
 }

pkg/services/grafana-apiserver/request_handler.go

@@ -71,22 +71,6 @@ func getAPIHandler(delegateHandler http.Handler, restConfig *restclient.Config,
 			sub.HandleFunc(route.Path, route.Handler).
 				Methods(methods...)
 		}
-
-		//	getter := makeGetter(restConfig)
-		for resource, route := range routes.Resource {
-			err = validPath(route.Path)
-			if err != nil {
-				return nil, err
-			}
-			fmt.Printf("TODO: %s/%v\n", resource, route)
-
-			// get a client for that resource kind
-			//getter := makeGetter(restConfig)
-
-			useful = true
-			// sub.HandleFunc(v.Slug, SubresourceHandlerWrapper(v.Handler, getter)).
-			// 	Methods(methods...)
-		}
 	}
 
 	if !useful {
@@ -184,12 +168,6 @@ func getOpenAPIPostProcessor(builders []APIGroupBuilder) func(*spec3.OpenAPI) (*
 					}
 				}
 
-				for resource, route := range routes.Resource {
-					copy.Paths.Paths[prefix+"/namespaces/{namespace}/"+resource+"{name}"+route.Path] = &spec3.Path{
-						PathProps: *route.Spec,
-					}
-				}
-
 				return &copy, nil
 			}
 		}