fixup! chore: emit metrics using transformer response headers. TODO: …

…cleanup

processor/transformer/transformer.go

@@ -508,7 +508,6 @@ func (trans *handle) doPost(ctx context.Context, rawJSON []byte, url, stage stri
 				req.Header.Set("X-Feature-Filter-Code", "?1")
 
 				resp, reqErr = trans.httpClient.Do(req)
-
 			})
 			trans.stat.NewTaggedStat("processor.transformer_request_time", stats.TimerType, tags).SendTiming(time.Since(requestStartTime))
 			if reqErr != nil {
@@ -518,6 +517,12 @@ func (trans *handle) doPost(ctx context.Context, rawJSON []byte, url, stage stri
 			headerResponseTime := resp.Header.Get("X-Response-Time")
 			instanceWorker := resp.Header.Get("X-Instance-ID")
 			if instanceWorker != "" {
+				fmt.Printf(`X-Response-Time: %s\nX-Instance-ID: %s\n`, headerResponseTime, instanceWorker)
+				trans.logger.Infon(
+					"transformer response headers",
+					logger.NewStringField("X-Response-Time", headerResponseTime),
+					logger.NewStringField("X-Instance-ID", instanceWorker),
+				)
 				newTags := lo.Assign(tags)
 				newTags["instanceWorker"] = instanceWorker
 				trans.stat.NewTaggedStat("processor_transformer_instance_event_count", stats.CountType, newTags).Count(numEvents)