diff --git a/storage/remote/codec.go b/storage/remote/codec.go index c3b815a4d..8c569ff03 100644 --- a/storage/remote/codec.go +++ b/storage/remote/codec.go @@ -166,7 +166,7 @@ func ToQueryResult(ss storage.SeriesSet, sampleLimit int) (*prompb.QueryResult, } resp.Timeseries = append(resp.Timeseries, &prompb.TimeSeries{ - Labels: labelsToLabelsProto(series.Labels(), nil), + Labels: LabelsToLabelsProto(series.Labels(), nil), Samples: samples, Histograms: histograms, }) @@ -182,7 +182,7 @@ func FromQueryResult(sortSeries bool, res *prompb.QueryResult) storage.SeriesSet if err := validateLabelsAndMetricName(ts.Labels); err != nil { return errSeriesSet{err: err} } - lbls := labelProtosToLabels(&b, ts.Labels) + lbls := LabelProtosToLabels(&b, ts.Labels) series = append(series, &concreteSeries{labels: lbls, floats: ts.Samples, histograms: ts.Histograms}) } @@ -235,7 +235,7 @@ func StreamChunkedReadResponses( for ss.Next() { series := ss.At() iter = series.Iterator(iter) - lbls = MergeLabels(labelsToLabelsProto(series.Labels(), lbls), sortedExternalLabels) + lbls = MergeLabels(LabelsToLabelsProto(series.Labels(), lbls), sortedExternalLabels) maxDataLength := maxBytesInFrame for _, lbl := range lbls { @@ -622,7 +622,7 @@ func exemplarProtoToExemplar(b *labels.ScratchBuilder, ep prompb.Exemplar) exemp timestamp := ep.Timestamp return exemplar.Exemplar{ - Labels: labelProtosToLabels(b, ep.Labels), + Labels: LabelProtosToLabels(b, ep.Labels), Value: ep.Value, Ts: timestamp, HasTs: timestamp != 0, @@ -762,7 +762,9 @@ func LabelProtosToMetric(labelPairs []*prompb.Label) model.Metric { return metric } -func labelProtosToLabels(b *labels.ScratchBuilder, labelPairs []prompb.Label) labels.Labels { +// LabelProtosToLabels transforms prompb labels into labels. The labels builder +// will be used to build the returned labels. +func LabelProtosToLabels(b *labels.ScratchBuilder, labelPairs []prompb.Label) labels.Labels { b.Reset() for _, l := range labelPairs { b.Add(l.Name, l.Value) @@ -771,9 +773,9 @@ func labelProtosToLabels(b *labels.ScratchBuilder, labelPairs []prompb.Label) la return b.Labels() } -// labelsToLabelsProto transforms labels into prompb labels. The buffer slice +// LabelsToLabelsProto transforms labels into prompb labels. The buffer slice // will be used to avoid allocations if it is big enough to store the labels. -func labelsToLabelsProto(lbls labels.Labels, buf []prompb.Label) []prompb.Label { +func LabelsToLabelsProto(lbls labels.Labels, buf []prompb.Label) []prompb.Label { result := buf[:0] lbls.Range(func(l labels.Label) { result = append(result, prompb.Label{ diff --git a/storage/remote/codec_test.go b/storage/remote/codec_test.go index 41d4b3656..c3a4cbc6d 100644 --- a/storage/remote/codec_test.go +++ b/storage/remote/codec_test.go @@ -729,8 +729,8 @@ func TestFloatHistogramToProtoConvert(t *testing.T) { } func TestStreamResponse(t *testing.T) { - lbs1 := labelsToLabelsProto(labels.FromStrings("instance", "localhost1", "job", "demo1"), nil) - lbs2 := labelsToLabelsProto(labels.FromStrings("instance", "localhost2", "job", "demo2"), nil) + lbs1 := LabelsToLabelsProto(labels.FromStrings("instance", "localhost1", "job", "demo1"), nil) + lbs2 := LabelsToLabelsProto(labels.FromStrings("instance", "localhost2", "job", "demo2"), nil) chunk := prompb.Chunk{ Type: prompb.Chunk_XOR, Data: make([]byte, 100), @@ -802,7 +802,7 @@ func (c *mockChunkSeriesSet) Next() bool { func (c *mockChunkSeriesSet) At() storage.ChunkSeries { return &storage.ChunkSeriesEntry{ - Lset: labelProtosToLabels(&c.builder, c.chunkedSeries[c.index].Labels), + Lset: LabelProtosToLabels(&c.builder, c.chunkedSeries[c.index].Labels), ChunkIteratorFn: func(chunks.Iterator) chunks.Iterator { return &mockChunkIterator{ chunks: c.chunkedSeries[c.index].Chunks, diff --git a/storage/remote/queue_manager.go b/storage/remote/queue_manager.go index 01d2db06a..b244b331b 100644 --- a/storage/remote/queue_manager.go +++ b/storage/remote/queue_manager.go @@ -1507,7 +1507,7 @@ func (s *shards) populateTimeSeries(batch []timeSeries, pendingData []prompb.Tim // Number of pending samples is limited by the fact that sendSamples (via sendSamplesWithBackoff) // retries endlessly, so once we reach max samples, if we can never send to the endpoint we'll // stop reading from the queue. This makes it safe to reference pendingSamples by index. - pendingData[nPending].Labels = labelsToLabelsProto(d.seriesLabels, pendingData[nPending].Labels) + pendingData[nPending].Labels = LabelsToLabelsProto(d.seriesLabels, pendingData[nPending].Labels) switch d.sType { case tSample: pendingData[nPending].Samples = append(pendingData[nPending].Samples, prompb.Sample{ @@ -1517,7 +1517,7 @@ func (s *shards) populateTimeSeries(batch []timeSeries, pendingData []prompb.Tim nPendingSamples++ case tExemplar: pendingData[nPending].Exemplars = append(pendingData[nPending].Exemplars, prompb.Exemplar{ - Labels: labelsToLabelsProto(d.exemplarLabels, nil), + Labels: LabelsToLabelsProto(d.exemplarLabels, nil), Value: d.value, Timestamp: d.timestamp, }) diff --git a/storage/remote/queue_manager_test.go b/storage/remote/queue_manager_test.go index 6121fb6c0..06783167f 100644 --- a/storage/remote/queue_manager_test.go +++ b/storage/remote/queue_manager_test.go @@ -742,7 +742,7 @@ func (c *TestWriteClient) expectExemplars(ss []record.RefExemplar, series []reco for _, s := range ss { seriesName := getSeriesNameFromRef(series[s.Ref]) e := prompb.Exemplar{ - Labels: labelsToLabelsProto(s.Labels, nil), + Labels: LabelsToLabelsProto(s.Labels, nil), Timestamp: s.T, Value: s.V, } @@ -826,7 +826,7 @@ func (c *TestWriteClient) Store(_ context.Context, req []byte, _ int) error { builder := labels.NewScratchBuilder(0) count := 0 for _, ts := range reqProto.Timeseries { - labels := labelProtosToLabels(&builder, ts.Labels) + labels := LabelProtosToLabels(&builder, ts.Labels) seriesName := labels.Get("__name__") for _, sample := range ts.Samples { count++ diff --git a/storage/remote/read_test.go b/storage/remote/read_test.go index 87408dfb4..810009af0 100644 --- a/storage/remote/read_test.go +++ b/storage/remote/read_test.go @@ -172,12 +172,12 @@ func TestSeriesSetFilter(t *testing.T) { toRemove: []string{"foo"}, in: &prompb.QueryResult{ Timeseries: []*prompb.TimeSeries{ - {Labels: labelsToLabelsProto(labels.FromStrings("foo", "bar", "a", "b"), nil)}, + {Labels: LabelsToLabelsProto(labels.FromStrings("foo", "bar", "a", "b"), nil)}, }, }, expected: &prompb.QueryResult{ Timeseries: []*prompb.TimeSeries{ - {Labels: labelsToLabelsProto(labels.FromStrings("a", "b"), nil)}, + {Labels: LabelsToLabelsProto(labels.FromStrings("a", "b"), nil)}, }, }, }, @@ -211,7 +211,7 @@ func (c *mockedRemoteClient) Read(_ context.Context, query *prompb.Query) (*prom q := &prompb.QueryResult{} for _, s := range c.store { - l := labelProtosToLabels(&c.b, s.Labels) + l := LabelProtosToLabels(&c.b, s.Labels) var notMatch bool for _, m := range matchers { diff --git a/storage/remote/write_handler.go b/storage/remote/write_handler.go index ff227292b..e7515a42b 100644 --- a/storage/remote/write_handler.go +++ b/storage/remote/write_handler.go @@ -116,7 +116,7 @@ func (h *writeHandler) write(ctx context.Context, req *prompb.WriteRequest) (err b := labels.NewScratchBuilder(0) var exemplarErr error for _, ts := range req.Timeseries { - labels := labelProtosToLabels(&b, ts.Labels) + labels := LabelProtosToLabels(&b, ts.Labels) if !labels.IsValid() { level.Warn(h.logger).Log("msg", "Invalid metric names or labels", "got", labels.String()) samplesWithInvalidLabels++ diff --git a/storage/remote/write_handler_test.go b/storage/remote/write_handler_test.go index 5125290f7..1715e92c2 100644 --- a/storage/remote/write_handler_test.go +++ b/storage/remote/write_handler_test.go @@ -60,14 +60,14 @@ func TestRemoteWriteHandler(t *testing.T) { j := 0 k := 0 for _, ts := range writeRequestFixture.Timeseries { - labels := labelProtosToLabels(&b, ts.Labels) + labels := LabelProtosToLabels(&b, ts.Labels) for _, s := range ts.Samples { requireEqual(t, mockSample{labels, s.Timestamp, s.Value}, appendable.samples[i]) i++ } for _, e := range ts.Exemplars { - exemplarLabels := labelProtosToLabels(&b, e.Labels) + exemplarLabels := LabelProtosToLabels(&b, e.Labels) requireEqual(t, mockExemplar{labels, exemplarLabels, e.Timestamp, e.Value}, appendable.exemplars[j]) j++ }