feat: inject unified data migrations in dual writer (#114138)

* feat: draft changes for on-prem unified migration

* feat: further draft changes for on-prem unified migration

* fix: remove some tbis

* refactor: rename

* fix: another approach

* fix: background service related issues

* fix: address comments

* fix: make gen-go

* fix: background service related issues

* feat: refactor dual writer and legacy migrator

* fix: minor issues

* feat: working version in oss

* fix: wire

* fix: revert test data override

* fix: enterprise related issues

* chore: add todo

* fix: revert dual writer method

* fix: lint

* chore: logger format

* fix: reduce log level

* fix: log change

* fix: disable

* fix: address comments

* fix: return error on dual writer service

* fix: merge conflict

---------

Co-authored-by: Rafael Paulovic <rafael.paulovic@grafana.com>

pkg/server/wire.go

@@ -128,6 +128,7 @@ import (
 	"github.com/grafana/grafana/pkg/services/pluginsintegration/pluginaccesscontrol"
 	"github.com/grafana/grafana/pkg/services/preference/prefimpl"
 	promTypeMigration "github.com/grafana/grafana/pkg/services/promtypemigration"
+	"github.com/grafana/grafana/pkg/services/provisioning"
 	"github.com/grafana/grafana/pkg/services/publicdashboards"
 	publicdashboardsApi "github.com/grafana/grafana/pkg/services/publicdashboards/api"
 	publicdashboardsStore "github.com/grafana/grafana/pkg/services/publicdashboards/database"
@@ -238,7 +239,9 @@ var wireBasicSet = wire.NewSet(
 	uss.ProvideService,
 	wire.Bind(new(usagestats.Service), new(*uss.UsageStats)),
 	validator.ProvideService,
-	legacy.ProvideLegacyMigrator,
+	provisioning.ProvideStubProvisioningService,
+	legacy.ProvideMigratorDashboardAccessor,
+	unifiedmigrations.ProvideUnifiedMigrator,
 	pluginsintegration.WireSet,
 	pluginDashboards.ProvideFileStoreManager,
 	wire.Bind(new(pluginDashboards.FileStore), new(*pluginDashboards.FileStoreManager)),
@@ -466,8 +469,7 @@ var wireBasicSet = wire.NewSet(
 	// Unified storage
 	resource.ProvideStorageMetrics,
 	resource.ProvideIndexMetrics,
-	unifiedmigrations.ProvideUnifiedStorageMigrationProvider,
-	wire.Bind(new(unifiedmigrations.UnifiedStorageMigrationProvider), new(*unifiedmigrations.UnifiedStorageMigrationProviderImpl)),
+	unifiedmigrations.ProvideUnifiedStorageMigrationService,
 	// Kubernetes API server
 	grafanaapiserver.WireSet,
 	apiregistry.WireSet,

pkg/server/wireexts_oss.go

@@ -62,6 +62,7 @@ import (
 	"github.com/grafana/grafana/pkg/services/user"
 	"github.com/grafana/grafana/pkg/services/validations"
 	"github.com/grafana/grafana/pkg/setting"
+	"github.com/grafana/grafana/pkg/storage/legacysql"
 	"github.com/grafana/grafana/pkg/storage/unified"
 	"github.com/grafana/grafana/pkg/storage/unified/resource"
 	search2 "github.com/grafana/grafana/pkg/storage/unified/search"
@@ -98,6 +99,7 @@ var wireExtsBasicSet = wire.NewSet(
 	wire.Bind(new(validations.DataSourceRequestURLValidator), new(*validations.OSSDataSourceRequestURLValidator)),
 	provisioning.ProvideService,
 	wire.Bind(new(provisioning.ProvisioningService), new(*provisioning.ProvisioningServiceImpl)),
+	legacysql.NewDatabaseProvider,
 	backgroundsvcs.ProvideBackgroundServiceRegistry,
 	wire.Bind(new(registry.BackgroundServiceRegistry), new(*backgroundsvcs.BackgroundServiceRegistry)),
 	migrations.ProvideOSSMigrations,