add core plugins thru store (#43085)

pkg/tsdb/graphite/graphite.go

@@ -37,11 +37,12 @@ type Service struct {
 }
 
 const (
+	pluginID             = "graphite"
 	TargetFullModelField = "targetFull"
 	TargetModelField     = "target"
 )
 
-func ProvideService(httpClientProvider httpclient.Provider, registrar plugins.CoreBackendRegistrar) (*Service, error) {
+func ProvideService(cfg *setting.Cfg, httpClientProvider httpclient.Provider, pluginStore plugins.Store) (*Service, error) {
 	s := &Service{
 		logger: log.New("tsdb.graphite"),
 		im:     datasource.NewInstanceManager(newInstanceSettings(httpClientProvider)),
@@ -51,7 +52,8 @@ func ProvideService(httpClientProvider httpclient.Provider, registrar plugins.Co
 		QueryDataHandler: s,
 	})
 
-	if err := registrar.LoadAndRegister("graphite", factory); err != nil {
+	resolver := plugins.CoreDataSourcePathResolver(cfg, pluginID)
+	if err := pluginStore.AddWithFactory(context.Background(), pluginID, factory, resolver); err != nil {
 		s.logger.Error("Failed to register plugin", "error", err)
 		return nil, err
 	}