K8s/Testdata: Expose testdata in standalone apiserver (#80248)

pkg/tsdb/grafana-testdata-datasource/testdata.go

@@ -9,9 +9,13 @@ import (
 	"github.com/grafana/grafana-plugin-sdk-go/backend/log"
 	"github.com/grafana/grafana-plugin-sdk-go/backend/resource/httpadapter"
 	"github.com/grafana/grafana-plugin-sdk-go/data"
+
 	"github.com/grafana/grafana/pkg/tsdb/grafana-testdata-datasource/sims"
 )
 
+// ensures that testdata implements all client functions
+// var _ plugins.Client = &Service{}
+
 func ProvideService() *Service {
 	s := &Service{
 		queryMux:  datasource.NewQueryTypeMux(),
@@ -66,3 +70,8 @@ func (s *Service) CheckHealth(_ context.Context, _ *backend.CheckHealthRequest)
 		Message: "Data source is working",
 	}, nil
 }
+
+// CollectMetricsHandler handles metric collection.
+func (s *Service) CollectMetrics(ctx context.Context, req *backend.CollectMetricsRequest) (*backend.CollectMetricsResult, error) {
+	return nil, nil
+}