Storage: Remove unified storage feature flag (#92192)

remove unified storage flag

docs/sources/setup-grafana/configure-grafana/feature-toggles/index.md

@@ -121,7 +121,6 @@ Experimental features might be changed or removed without prior notice.
 | `canvasPanelNesting`                        | Allow elements nesting                                                                                                                                                                                                                                                            |
 | `disableSecretsCompatibility`               | Disable duplicated secret storage in legacy tables                                                                                                                                                                                                                                |
 | `logRequestsInstrumentedAsUnknown`          | Logs the path for requests that are instrumented as unknown                                                                                                                                                                                                                       |
-| `unifiedStorage`                            | SQL-based k8s storage                                                                                                                                                                                                                                                             |
 | `showDashboardValidationWarnings`           | Show warnings when dashboards do not validate against the schema                                                                                                                                                                                                                  |
 | `mysqlAnsiQuotes`                           | Use double quotes to escape keyword in a MySQL query                                                                                                                                                                                                                              |
 | `alertingBacktesting`                       | Rule backtesting API for alerting                                                                                                                                                                                                                                                 |

packages/grafana-data/src/types/featureToggles.gen.ts

@@ -42,7 +42,6 @@ export interface FeatureToggles {
   logRequestsInstrumentedAsUnknown?: boolean;
   topnav?: boolean;
   grpcServer?: boolean;
-  unifiedStorage?: boolean;
   cloudWatchCrossAccountQuerying?: boolean;
   showDashboardValidationWarnings?: boolean;
   mysqlAnsiQuotes?: boolean;

pkg/services/apiserver/service.go

@@ -285,10 +285,6 @@ func (s *service) start(ctx context.Context) error {
 		}
 
 	case grafanaapiserveroptions.StorageTypeUnified:
-		if !s.features.IsEnabledGlobally(featuremgmt.FlagUnifiedStorage) {
-			return fmt.Errorf("unified storage requires the unifiedStorage feature flag")
-		}
-
 		server, err := sql.ProvideResourceServer(s.db, s.cfg, s.features, s.tracing)
 		if err != nil {
 			return err
@@ -298,10 +294,6 @@ func (s *service) start(ctx context.Context) error {
 			o.RecommendedOptions.Etcd.StorageConfig)
 
 	case grafanaapiserveroptions.StorageTypeUnifiedGrpc:
-		if !s.features.IsEnabledGlobally(featuremgmt.FlagUnifiedStorage) {
-			return fmt.Errorf("unified storage requires the unifiedStorage feature flag")
-		}
-
 		opts := []grpc.DialOption{
 			grpc.WithStatsHandler(otelgrpc.NewClientHandler()),
 			grpc.WithTransportCredentials(insecure.NewCredentials()),

pkg/services/featuremgmt/registry.go

@@ -194,14 +194,6 @@ var (
 			Owner:             grafanaSearchAndStorageSquad,
 			HideFromAdminPage: true,
 		},
-		{
-			Name:            "unifiedStorage",
-			Description:     "SQL-based k8s storage",
-			Stage:           FeatureStageExperimental,
-			RequiresDevMode: false,
-			RequiresRestart: true, // new SQL tables created
-			Owner:           grafanaSearchAndStorageSquad,
-		},
 		{
 			Name:           "cloudWatchCrossAccountQuerying",
 			Description:    "Enables cross-account querying in CloudWatch datasources",

pkg/services/featuremgmt/toggles_gen.csv

@@ -23,7 +23,6 @@ disableSecretsCompatibility,experimental,@grafana/hosted-grafana-team,false,true
 logRequestsInstrumentedAsUnknown,experimental,@grafana/hosted-grafana-team,false,false,false
 topnav,deprecated,@grafana/grafana-frontend-platform,false,false,false
 grpcServer,preview,@grafana/search-and-storage,false,false,false
-unifiedStorage,experimental,@grafana/search-and-storage,false,true,false
 cloudWatchCrossAccountQuerying,GA,@grafana/aws-datasources,false,false,false
 showDashboardValidationWarnings,experimental,@grafana/dashboards-squad,false,false,false
 mysqlAnsiQuotes,experimental,@grafana/search-and-storage,false,false,false

pkg/services/featuremgmt/toggles_gen.go

@@ -103,10 +103,6 @@ const (
 	// Run the GRPC server
 	FlagGrpcServer = "grpcServer"
 
-	// FlagUnifiedStorage
-	// SQL-based k8s storage
-	FlagUnifiedStorage = "unifiedStorage"
-
 	// FlagCloudWatchCrossAccountQuerying
 	// Enables cross-account querying in CloudWatch datasources
 	FlagCloudWatchCrossAccountQuerying = "cloudWatchCrossAccountQuerying"

pkg/services/featuremgmt/toggles_gen.json

@@ -2695,6 +2695,7 @@
         "name": "unifiedStorage",
         "resourceVersion": "1724096690370",
         "creationTimestamp": "2023-12-06T20:21:21Z",
+        "deletionTimestamp": "2024-08-21T09:30:06Z",
         "annotations": {
           "grafana.app/updatedTimestamp": "2024-08-19 19:44:50.370023815 +0000 UTC"
         }

pkg/services/sqlstore/sqlstore.go

@@ -481,7 +481,6 @@ func getCfgForTesting(opts ...InitTestDBOpt) *setting.Cfg {
 func getFeaturesForTesting(opts ...InitTestDBOpt) featuremgmt.FeatureToggles {
 	featureKeys := []any{
 		featuremgmt.FlagPanelTitleSearch,
-		featuremgmt.FlagUnifiedStorage,
 	}
 	for _, opt := range opts {
 		if len(opt.FeatureFlags) > 0 {

pkg/storage/unified/sql/db/dbimpl/dbimpl.go

@@ -61,12 +61,10 @@ func newResourceDBProvider(grafanaDB infraDB.DB, cfg *setting.Cfg, features feat
 	}
 
 	p = &resourceDBProvider{
-		cfg:        cfg,
+		cfg:         cfg,
-		log:        log.New("entity-db"),
+		log:         log.New("entity-db"),
-		logQueries: getter.Key("log_queries").MustBool(false),
+		logQueries:  getter.Key("log_queries").MustBool(false),
-	}
+		migrateFunc: migrations.MigrateResourceStore,
-	if features.IsEnabledGlobally(featuremgmt.FlagUnifiedStorage) {
-		p.migrateFunc = migrations.MigrateResourceStore
 	}
 
 	switch dbType := getter.Key("db_type").MustString(""); dbType {

pkg/storage/unified/sql/test/integration_test.go

@@ -31,7 +31,7 @@ func newServer(t *testing.T) (sql.Backend, resource.ResourceServer) {
 
 	dbstore := infraDB.InitTestDB(t)
 	cfg := setting.NewCfg()
-	features := featuremgmt.WithFeatures(featuremgmt.FlagUnifiedStorage)
+	features := featuremgmt.WithFeatures()
 
 	eDB, err := dbimpl.ProvideResourceDB(dbstore, cfg, features, nil)
 	require.NoError(t, err)
@@ -331,7 +331,7 @@ func TestClientServer(t *testing.T) {
 	cfg.GRPCServerAddress = "localhost:0"
 	cfg.GRPCServerNetwork = "tcp"
 
-	features := featuremgmt.WithFeatures(featuremgmt.FlagUnifiedStorage)
+	features := featuremgmt.WithFeatures()
 
 	svc, err := sql.ProvideService(cfg, features, dbstore, nil)
 	require.NoError(t, err)

pkg/tests/apis/playlist/playlist_test.go

@@ -149,7 +149,6 @@ func TestIntegrationPlaylist(t *testing.T) {
 			DisableAnonymous:     true,
 			APIServerStorageType: "unified", // use the entity api tables
 			EnableFeatureToggles: []string{
-				featuremgmt.FlagUnifiedStorage,
 				featuremgmt.FlagKubernetesPlaylists, // Required so that legacy calls are also written
 			},
 			DualWriterDesiredModes: map[string]grafanarest.DualWriterMode{
@@ -164,7 +163,6 @@ func TestIntegrationPlaylist(t *testing.T) {
 			DisableAnonymous:     true,
 			APIServerStorageType: "unified", // use the entity api tables
 			EnableFeatureToggles: []string{
-				featuremgmt.FlagUnifiedStorage,
 				featuremgmt.FlagKubernetesPlaylists, // Required so that legacy calls are also written
 			},
 			DualWriterDesiredModes: map[string]grafanarest.DualWriterMode{
@@ -179,7 +177,6 @@ func TestIntegrationPlaylist(t *testing.T) {
 			DisableAnonymous:     true,
 			APIServerStorageType: "unified", // use the entity api tables
 			EnableFeatureToggles: []string{
-				featuremgmt.FlagUnifiedStorage,
 				featuremgmt.FlagKubernetesPlaylists, // Required so that legacy calls are also written
 			},
 			DualWriterDesiredModes: map[string]grafanarest.DualWriterMode{
@@ -194,7 +191,6 @@ func TestIntegrationPlaylist(t *testing.T) {
 			DisableAnonymous:     true,
 			APIServerStorageType: "unified", // use the entity api tables
 			EnableFeatureToggles: []string{
-				featuremgmt.FlagUnifiedStorage,
 				featuremgmt.FlagKubernetesPlaylists, // Required so that legacy calls are also written
 			},
 			DualWriterDesiredModes: map[string]grafanarest.DualWriterMode{