APIServer: Make TableConverter part of ResourceInfo (#91520)

pkg/apis/folder/v0alpha1/register.go

@@ -1,10 +1,13 @@
 package v0alpha1
 
 import (
-	"k8s.io/apimachinery/pkg/runtime"
-	"k8s.io/apimachinery/pkg/runtime/schema"
+	"fmt"
 
 	common "github.com/grafana/grafana/pkg/apimachinery/apis/common/v0alpha1"
+	"github.com/grafana/grafana/pkg/apimachinery/utils"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/runtime"
+	"k8s.io/apimachinery/pkg/runtime/schema"
 )
 
 const (
@@ -18,6 +21,25 @@ var FolderResourceInfo = common.NewResourceInfo(GROUP, VERSION,
 	RESOURCE, "folder", "Folder",
 	func() runtime.Object { return &Folder{} },
 	func() runtime.Object { return &FolderList{} },
+	utils.TableColumns{
+		Definition: []metav1.TableColumnDefinition{
+			{Name: "Name", Type: "string", Format: "name"},
+			{Name: "Title", Type: "string", Format: "string", Description: "The display name"},
+			{Name: "Parent", Type: "string", Format: "string", Description: "Parent folder UID"},
+		},
+		Reader: func(obj any) ([]interface{}, error) {
+			r, ok := obj.(*Folder)
+			if ok {
+				accessor, _ := utils.MetaAccessor(r)
+				return []interface{}{
+					r.Name,
+					r.Spec.Title,
+					accessor.GetFolder(),
+				}, nil
+			}
+			return nil, fmt.Errorf("expected folder")
+		},
+	},
 )
 
 var (