add core plugins thru store (#43085)

pkg/tsdb/prometheus/prometheus.go

@@ -15,6 +15,7 @@ import (
 	"github.com/grafana/grafana/pkg/infra/log"
 	"github.com/grafana/grafana/pkg/plugins"
 	"github.com/grafana/grafana/pkg/plugins/backendplugin/coreplugin"
+	"github.com/grafana/grafana/pkg/setting"
 	"github.com/grafana/grafana/pkg/tsdb/intervalv2"
 	"github.com/prometheus/client_golang/api"
 	apiv1 "github.com/prometheus/client_golang/api/prometheus/v1"
@@ -26,12 +27,14 @@ var (
 	safeRes      = 11000
 )
 
+const pluginID = "prometheus"
+
 type Service struct {
 	intervalCalculator intervalv2.Calculator
 	im                 instancemgmt.InstanceManager
 }
 
-func ProvideService(httpClientProvider httpclient.Provider, registrar plugins.CoreBackendRegistrar) (*Service, error) {
+func ProvideService(cfg *setting.Cfg, httpClientProvider httpclient.Provider, pluginStore plugins.Store) (*Service, error) {
 	plog.Debug("initializing")
 	im := datasource.NewInstanceManager(newInstanceSettings(httpClientProvider))
 
@@ -43,7 +46,8 @@ func ProvideService(httpClientProvider httpclient.Provider, registrar plugins.Co
 	factory := coreplugin.New(backend.ServeOpts{
 		QueryDataHandler: s,
 	})
-	if err := registrar.LoadAndRegister("prometheus", factory); err != nil {
+	resolver := plugins.CoreDataSourcePathResolver(cfg, pluginID)
+	if err := pluginStore.AddWithFactory(context.Background(), pluginID, factory, resolver); err != nil {
 		plog.Error("Failed to register plugin", "error", err)
 		return nil, err
 	}