K8s: Implement playlist api with k8s client (#77405)

pkg/apis/playlist/v0alpha1/conversions.go

@@ -1,16 +1,48 @@
 package v0alpha1
 
 import (
+	"encoding/json"
 	"fmt"
+	"strconv"
 	"time"
 
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
 	"k8s.io/apimachinery/pkg/types"
 
+	"github.com/grafana/grafana/pkg/kinds"
 	"github.com/grafana/grafana/pkg/services/grafana-apiserver/endpoints/request"
 	"github.com/grafana/grafana/pkg/services/playlist"
 )
 
+func UnstructuredToLegacyPlaylist(item unstructured.Unstructured) *playlist.Playlist {
+	spec := item.Object["spec"].(map[string]any)
+	return &playlist.Playlist{
+		UID:      item.GetName(),
+		Name:     spec["title"].(string),
+		Interval: spec["interval"].(string),
+		Id:       getLegacyID(&item),
+	}
+}
+
+func UnstructuredToLegacyPlaylistDTO(item unstructured.Unstructured) *playlist.PlaylistDTO {
+	spec := item.Object["spec"].(map[string]any)
+	dto := &playlist.PlaylistDTO{
+		Uid:      item.GetName(),
+		Name:     spec["title"].(string),
+		Interval: spec["interval"].(string),
+		Id:       getLegacyID(&item),
+	}
+	items := spec["items"]
+	if items != nil {
+		b, err := json.Marshal(items)
+		if err == nil {
+			_ = json.Unmarshal(b, &dto.Items)
+		}
+	}
+	return dto
+}
+
 func convertToK8sResource(v *playlist.PlaylistDTO, namespacer request.NamespaceMapper) *Playlist {
 	spec := Spec{
 		Title:    v.Name,
@@ -22,6 +54,15 @@ func convertToK8sResource(v *playlist.PlaylistDTO, namespacer request.NamespaceM
 			Value: item.Value,
 		})
 	}
+
+	meta := kinds.GrafanaResourceMetadata{}
+	meta.SetUpdatedTimestampMillis(v.UpdatedAt)
+	if v.Id > 0 {
+		meta.SetOriginInfo(&kinds.ResourceOriginInfo{
+			Name: "SQL",
+			Key:  fmt.Sprintf("%d", v.Id),
+		})
+	}
 	return &Playlist{
 		ObjectMeta: metav1.ObjectMeta{
 			Name:              v.Uid,
@@ -29,7 +70,23 @@ func convertToK8sResource(v *playlist.PlaylistDTO, namespacer request.NamespaceM
 			ResourceVersion:   fmt.Sprintf("%d", v.UpdatedAt),
 			CreationTimestamp: metav1.NewTime(time.UnixMilli(v.CreatedAt)),
 			Namespace:         namespacer(v.OrgID),
+			Annotations:       meta.Annotations,
 		},
 		Spec: spec,
 	}
 }
+
+// Read legacy ID from metadata annotations
+func getLegacyID(item *unstructured.Unstructured) int64 {
+	meta := kinds.GrafanaResourceMetadata{
+		Annotations: item.GetAnnotations(),
+	}
+	info := meta.GetOriginInfo()
+	if info != nil && info.Name == "SQL" {
+		i, err := strconv.ParseInt(info.Key, 10, 64)
+		if err == nil {
+			return i
+		}
+	}
+	return 0
+}

pkg/apis/playlist/v0alpha1/conversions_test.go

@@ -12,6 +12,7 @@ import (
 
 func TestPlaylistConversion(t *testing.T) {
 	src := &playlist.PlaylistDTO{
+		Id:        123,
 		OrgID:     3,
 		Uid:       "abc",         // becomes k8s name
 		Name:      "MyPlaylists", // becomes title
@@ -32,14 +33,19 @@ func TestPlaylistConversion(t *testing.T) {
 
 	out, err := json.MarshalIndent(dst, "", "  ")
 	require.NoError(t, err)
-	//fmt.Printf("%s", string(out))
+	// fmt.Printf("%s", string(out))
 	require.JSONEq(t, `{
 		"metadata": {
 		  "name": "abc",
 		  "namespace": "org-3",
 		  "uid": "abc",
 		  "resourceVersion": "54321",
-		  "creationTimestamp": "1970-01-01T00:00:12Z"
+		  "creationTimestamp": "1970-01-01T00:00:12Z",
+		  "annotations": {
+			"grafana.app/originKey": "123",
+			"grafana.app/originName": "SQL",
+			"grafana.app/updatedTimestamp": "1970-01-01T00:00:54Z"
+		  }
 		},
 		"spec": {
 		  "title": "MyPlaylists",