address lint issues

exporter/prometheusremotewriteexporter/exporter.go

@@ -284,7 +284,7 @@ func (prwe *prwExporter) handleSummaryMetric(tsMap map[string]*prompb.TimeSeries
 		// process each percentile/quantile
 		for _, qt := range pt.GetPercentileValues() {
 			quantile := &prompb.Sample{
-				Value:     float64(qt.Value),
+				Value:     qt.Value,
 				Timestamp: time,
 			}
 			percentileStr := strconv.FormatFloat(qt.Percentile, 'f', -1, 64)
@@ -298,9 +298,9 @@ func (prwe *prwExporter) handleSummaryMetric(tsMap map[string]*prompb.TimeSeries
 // Because we are adhering closely to the Remote Write API, we must Export a
 // Snappy-compressed WriteRequest instance of the TimeSeries Metrics in order
 // for the Remote Write Endpoint to properly receive our Metrics data.
-func (prwe *prwExporter) export(ctx context.Context, TsMap map[string]*prompb.TimeSeries) error {
+func (prwe *prwExporter) export(ctx context.Context, tsMap map[string]*prompb.TimeSeries) error {
 	//Calls the helper function to convert the TsMap to the desired format
-	req, err := wrapTimeSeries(TsMap)
+	req, err := wrapTimeSeries(tsMap)
 	if err != nil {
 		return err
 	}

exporter/prometheusremotewriteexporter/helper.go

@@ -184,12 +184,12 @@ func getPromMetricName(desc *otlp.MetricDescriptor, ns string) string {
 
 // Simple helper function that takes the <Signature String - *TimeSeries> map
 // and creates a WriteRequest from the struct -- can move to the helper.go file
-func wrapTimeSeries(TsMap map[string]*prompb.TimeSeries) (*prompb.WriteRequest, error) {
-	if len(TsMap) == 0 {
+func wrapTimeSeries(tsMap map[string]*prompb.TimeSeries) (*prompb.WriteRequest, error) {
+	if len(tsMap) == 0 {
 		return nil, errors.Errorf("invalid TsMap: cannot be empty map")
 	}
 	TsArray := []prompb.TimeSeries{}
-	for _, v := range TsMap {
+	for _, v := range tsMap {
 		TsArray = append(TsArray, *v)
 	}
 	wrapped := prompb.WriteRequest{

go.mod

@@ -19,6 +19,7 @@ require (
 	github.com/gogo/protobuf v1.3.1
 	github.com/golang/groupcache v0.0.0-20200121045136-8c9f03a8e57e
 	github.com/golang/protobuf v1.4.2
+	github.com/golang/snappy v0.0.1
 	github.com/golangci/golangci-lint v1.30.0
 	github.com/google/addlicense v0.0.0-20200622132530-df58acafd6d5
 	github.com/google/go-cmp v0.5.1