charandas · November 13, 2024 04:15 · Nov 13, 2024
diff --git a/app.go b/app.go
@@ -0,0 +1,94 @@
+package app
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"reflect"
+
+	"github.com/grafana/grafana-app-sdk/app"
+	"github.com/grafana/grafana-app-sdk/resource"
+	"github.com/grafana/grafana-app-sdk/simple"
+	"k8s.io/apimachinery/pkg/runtime/schema"
+	"k8s.io/klog/v2"
+
+	playlistv0alpha1 "github.com/grafana/grafana/apps/playlist/pkg/apis/playlist/v0alpha1"
+
+	"github.com/grafana/grafana/apps/playlist/pkg/watchers"
+)
+
+type PlaylistConfig struct {
+	EnableWatchers bool
+}
+
+func New(cfg app.Config) (app.App, error) {
+	playlistConfig, ok := cfg.SpecificConfig.(*PlaylistConfig)
+	if !ok {
+		return nil, errors.New("could not load project's specific config, type assertion failed: type of SpecificConfig=" + reflect.TypeOf(cfg.SpecificConfig).Name())
+	}
+
+	managedKinds := make([]simple.AppManagedKind, 0)
+
+	{
+		managedKind := simple.AppManagedKind{
+			Kind: playlistv0alpha1.PlaylistKind(),
+			Mutator: &simple.Mutator{
+				MutateFunc: func(ctx context.Context, req *app.AdmissionRequest) (*app.MutatingResponse, error) {
+					// modify req.Object if needed
+					return &app.MutatingResponse{
+						UpdatedObject: req.Object,
+					}, nil
+				},
+			},
+			Validator: &simple.Validator{
+				ValidateFunc: func(ctx context.Context, req *app.AdmissionRequest) error {
+					// do something here if needed
+					return nil
+				},
+			},
+		}
+		managedKinds = append(managedKinds, managedKind)
+		if playlistConfig.EnableWatchers {
+			playlistWatcher, err := watchers.NewPlaylistWatcher()
+			if err != nil {
+				return nil, fmt.Errorf("unable to create PlaylistWatcher: %w", err)
+			}
+			managedKind.Watcher = playlistWatcher
+		}
+
+	}
+
+	config := simple.AppConfig{
+		Name:       "playlist",
+		KubeConfig: cfg.KubeConfig,
+		InformerConfig: simple.AppInformerConfig{
+			ErrorHandler: func(ctx context.Context, err error) {
+				// FIXME: add your own error handling here
+				klog.ErrorS(err, "Informer processing error")
+			},
+		},
+		ManagedKinds: managedKinds,
+	}
+
+	// Create the App
+	a, err := simple.NewApp(config)
+	if err != nil {
+		return nil, err
+	}
+
+	// Validate the capabilities against the provided manifest to make sure there isn't a mismatch
+	err = a.ValidateManifest(cfg.ManifestData)	
+	return a, err
+}
+
+func GetKinds() map[schema.GroupVersion]resource.Kind {
+
+	gv := schema.GroupVersion{
+		Group:   playlistv0alpha1.PlaylistKind().Group(),
+		Version: playlistv0alpha1.PlaylistKind().Version(),
+	}
+	return map[schema.GroupVersion]resource.Kind{
+		gv: playlistv0alpha1.PlaylistKind(),
+	}
+
+}