[release-11.6.3] Profiles: Stop passing response headers for Grafana-Pyroscope and parca datasources (#106729)

Profiles: Stop passing response headers for Grafana-Pyroscope and parca datasources (#106577)

* Revert "pkgs/tsdb/[grafana-pyroscope-datasource|parca]: Fix use of request headers in responses"

This reverts commit 8bac68e906.

* Profiles: Stop passing request/response headers to the backend

(cherry picked from commit 8fdf86e56f)

pkg/tsdb/grafana-pyroscope-datasource/instance.go

@@ -119,7 +119,7 @@ func (d *PyroscopeDatasource) profileTypes(ctx context.Context, req *backend.Cal
 		ctxLogger.Error("Failed to marshal response", "error", err, "function", logEntrypoint())
 		return err
 	}
-	err = sender.Send(&backend.CallResourceResponse{Body: bodyData, Headers: req.Headers, Status: 200})
+	err = sender.Send(&backend.CallResourceResponse{Body: bodyData, Status: 200})
 	if err != nil {
 		ctxLogger.Error("Failed to send response", "error", err, "function", logEntrypoint())
 		return err
@@ -167,7 +167,7 @@ func (d *PyroscopeDatasource) labelNames(ctx context.Context, req *backend.CallR
 		ctxLogger.Error("Failed to marshal response", "error", err, "function", logEntrypoint())
 		return err
 	}
-	err = sender.Send(&backend.CallResourceResponse{Body: jsonResponse, Headers: req.Headers, Status: 200})
+	err = sender.Send(&backend.CallResourceResponse{Body: jsonResponse, Status: 200})
 	if err != nil {
 		ctxLogger.Error("Failed to send response", "error", err, "function", logEntrypoint())
 		return err
@@ -207,7 +207,7 @@ func (d *PyroscopeDatasource) labelValues(ctx context.Context, req *backend.Call
 		return err
 	}
 
-	err = sender.Send(&backend.CallResourceResponse{Body: data, Headers: req.Headers, Status: 200})
+	err = sender.Send(&backend.CallResourceResponse{Body: data, Status: 200})
 	if err != nil {
 		ctxLogger.Error("Failed to send response", "error", err, "function", logEntrypoint())
 		return err

pkg/tsdb/parca/resources.go

@@ -65,7 +65,7 @@ func (d *ParcaDatasource) callProfileTypes(ctx context.Context, req *backend.Cal
 		span.SetStatus(codes.Error, err.Error())
 		return err
 	}
-	err = sender.Send(&backend.CallResourceResponse{Body: data, Headers: req.Headers, Status: 200})
+	err = sender.Send(&backend.CallResourceResponse{Body: data, Status: 200})
 	if err != nil {
 		ctxLogger.Error("Failed to send data to Parca", "error", err, "function", logEntrypoint())
 		span.RecordError(err)
@@ -98,7 +98,7 @@ func (d *ParcaDatasource) callLabelNames(ctx context.Context, req *backend.CallR
 		span.SetStatus(codes.Error, err.Error())
 		return err
 	}
-	err = sender.Send(&backend.CallResourceResponse{Body: data, Headers: req.Headers, Status: 200})
+	err = sender.Send(&backend.CallResourceResponse{Body: data, Status: 200})
 	if err != nil {
 		ctxLogger.Error("Failed to send data to Parca", "error", err, "function", logEntrypoint())
 		span.RecordError(err)
@@ -142,7 +142,7 @@ func (d *ParcaDatasource) callLabelValues(ctx context.Context, req *backend.Call
 		span.SetStatus(codes.Error, err.Error())
 		return err
 	}
-	err = sender.Send(&backend.CallResourceResponse{Body: data, Headers: req.Headers, Status: 200})
+	err = sender.Send(&backend.CallResourceResponse{Body: data, Status: 200})
 	if err != nil {
 		ctxLogger.Error("Failed to send data to Parca", "error", err, "function", logEntrypoint())
 		span.RecordError(err)