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			711 lines
		
	
	
		
			20 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			711 lines
		
	
	
		
			20 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
| // Copyright 2020 The Prometheus Authors
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| // Licensed under the Apache License, Version 2.0 (the "License");
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| // you may not use this file except in compliance with the License.
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| // You may obtain a copy of the License at
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| //
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| // http://www.apache.org/licenses/LICENSE-2.0
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| //
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| // Unless required by applicable law or agreed to in writing, software
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| // distributed under the License is distributed on an "AS IS" BASIS,
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| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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| // See the License for the specific language governing permissions and
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| // limitations under the License.
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| 
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| package main
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| 
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| import (
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| 	"context"
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| 	"math"
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| 	"sort"
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| 	"testing"
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| 	"time"
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| 
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| 	"github.com/stretchr/testify/require"
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| 
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| 	"github.com/prometheus/prometheus/model/labels"
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| 	"github.com/prometheus/prometheus/storage"
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| 	"github.com/prometheus/prometheus/tsdb"
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| 	"github.com/prometheus/prometheus/tsdb/chunkenc"
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| )
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| 
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| type backfillSample struct {
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| 	Timestamp int64
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| 	Value     float64
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| 	Labels    labels.Labels
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| }
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| 
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| func sortSamples(samples []backfillSample) {
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| 	sort.Slice(samples, func(x, y int) bool {
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| 		sx, sy := samples[x], samples[y]
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| 		if sx.Timestamp != sy.Timestamp {
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| 			return sx.Timestamp < sy.Timestamp
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| 		}
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| 		return sx.Value < sy.Value
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| 	})
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| }
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| 
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| func queryAllSeries(t testing.TB, q storage.Querier, expectedMinTime, expectedMaxTime int64) []backfillSample {
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| 	ss := q.Select(context.Background(), false, nil, labels.MustNewMatcher(labels.MatchRegexp, "", ".*"))
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| 	samples := []backfillSample{}
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| 	for ss.Next() {
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| 		series := ss.At()
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| 		it := series.Iterator(nil)
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| 		require.NoError(t, it.Err())
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| 		for it.Next() == chunkenc.ValFloat {
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| 			ts, v := it.At()
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| 			samples = append(samples, backfillSample{Timestamp: ts, Value: v, Labels: series.Labels()})
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| 		}
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| 	}
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| 	return samples
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| }
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| 
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| func testBlocks(t *testing.T, db *tsdb.DB, expectedMinTime, expectedMaxTime, expectedBlockDuration int64, expectedSamples []backfillSample, expectedNumBlocks int) {
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| 	blocks := db.Blocks()
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| 	require.Len(t, blocks, expectedNumBlocks, "did not create correct number of blocks")
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| 
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| 	for i, block := range blocks {
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| 		require.Equal(t, block.MinTime()/expectedBlockDuration, (block.MaxTime()-1)/expectedBlockDuration, "block %d contains data outside of one aligned block duration", i)
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| 	}
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| 
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| 	q, err := db.Querier(math.MinInt64, math.MaxInt64)
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| 	require.NoError(t, err)
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| 	defer func() {
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| 		require.NoError(t, q.Close())
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| 	}()
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| 
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| 	allSamples := queryAllSeries(t, q, expectedMinTime, expectedMaxTime)
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| 	sortSamples(allSamples)
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| 	sortSamples(expectedSamples)
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| 	require.Equal(t, expectedSamples, allSamples, "did not create correct samples")
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| 
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| 	if len(allSamples) > 0 {
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| 		require.Equal(t, expectedMinTime, allSamples[0].Timestamp, "timestamp of first sample is not the expected minimum time")
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| 		require.Equal(t, expectedMaxTime, allSamples[len(allSamples)-1].Timestamp, "timestamp of last sample is not the expected maximum time")
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| 	}
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| }
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| 
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| func TestBackfill(t *testing.T) {
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| 	tests := []struct {
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| 		ToParse              string
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| 		IsOk                 bool
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| 		Description          string
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| 		MaxSamplesInAppender int
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| 		MaxBlockDuration     time.Duration
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| 		Expected             struct {
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| 			MinTime       int64
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| 			MaxTime       int64
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| 			NumBlocks     int
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| 			BlockDuration int64
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| 			Samples       []backfillSample
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| 		}
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| 	}{
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| 		{
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| 			ToParse:              `# EOF`,
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| 			IsOk:                 true,
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| 			Description:          "Empty file.",
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| 			MaxSamplesInAppender: 5000,
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| 			Expected: struct {
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| 				MinTime       int64
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| 				MaxTime       int64
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| 				NumBlocks     int
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| 				BlockDuration int64
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| 				Samples       []backfillSample
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| 			}{
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| 				MinTime:       math.MaxInt64,
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| 				MaxTime:       math.MinInt64,
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| 				NumBlocks:     0,
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| 				BlockDuration: tsdb.DefaultBlockDuration,
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| 				Samples:       []backfillSample{},
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| 			},
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| 		},
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| 		{
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| 			ToParse: `# HELP http_requests_total The total number of HTTP requests.
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| # TYPE http_requests_total counter
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| http_requests_total{code="200"} 1021 1565133713.989
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| http_requests_total{code="400"} 1 1565133713.990
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| # EOF
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| `,
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| 			IsOk:                 true,
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| 			Description:          "Multiple samples with different timestamp for different series.",
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| 			MaxSamplesInAppender: 5000,
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| 			Expected: struct {
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| 				MinTime       int64
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| 				MaxTime       int64
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| 				NumBlocks     int
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| 				BlockDuration int64
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| 				Samples       []backfillSample
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| 			}{
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| 				MinTime:       1565133713989,
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| 				MaxTime:       1565133713990,
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| 				NumBlocks:     1,
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| 				BlockDuration: tsdb.DefaultBlockDuration,
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| 				Samples: []backfillSample{
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| 					{
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| 						Timestamp: 1565133713989,
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| 						Value:     1021,
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| 						Labels:    labels.FromStrings("__name__", "http_requests_total", "code", "200"),
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| 					},
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| 					{
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| 						Timestamp: 1565133713990,
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| 						Value:     1,
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| 						Labels:    labels.FromStrings("__name__", "http_requests_total", "code", "400"),
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| 					},
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| 				},
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| 			},
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| 		},
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| 		{
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| 			ToParse: `# HELP http_requests_total The total number of HTTP requests.
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| # TYPE http_requests_total counter
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| http_requests_total{code="200"} 1021 1565133713.989
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| http_requests_total{code="200"} 1022 1565392913.989
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| http_requests_total{code="200"} 1023 1565652113.989
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| # EOF
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| `,
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| 			IsOk:                 true,
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| 			Description:          "Multiple samples separated by 3 days.",
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| 			MaxSamplesInAppender: 5000,
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| 			Expected: struct {
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| 				MinTime       int64
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| 				MaxTime       int64
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| 				NumBlocks     int
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| 				BlockDuration int64
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| 				Samples       []backfillSample
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| 			}{
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| 				MinTime:       1565133713989,
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| 				MaxTime:       1565652113989,
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| 				NumBlocks:     3,
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| 				BlockDuration: tsdb.DefaultBlockDuration,
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| 				Samples: []backfillSample{
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| 					{
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| 						Timestamp: 1565133713989,
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| 						Value:     1021,
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| 						Labels:    labels.FromStrings("__name__", "http_requests_total", "code", "200"),
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| 					},
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| 					{
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| 						Timestamp: 1565392913989,
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| 						Value:     1022,
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| 						Labels:    labels.FromStrings("__name__", "http_requests_total", "code", "200"),
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| 					},
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| 					{
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| 						Timestamp: 1565652113989,
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| 						Value:     1023,
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| 						Labels:    labels.FromStrings("__name__", "http_requests_total", "code", "200"),
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| 					},
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| 				},
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| 			},
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| 		},
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| 		{
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| 			ToParse: `# TYPE go info
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| go_info{version="go1.15.3"} 1 1565392913.989
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| # TYPE http_requests_total counter
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| http_requests_total{code="200"} 1021 1565133713.989
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| # EOF
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| `,
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| 			IsOk:                 true,
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| 			Description:          "Unordered samples from multiple series, which end in different blocks.",
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| 			MaxSamplesInAppender: 5000,
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| 			Expected: struct {
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| 				MinTime       int64
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| 				MaxTime       int64
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| 				NumBlocks     int
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| 				BlockDuration int64
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| 				Samples       []backfillSample
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| 			}{
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| 				MinTime:       1565133713989,
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| 				MaxTime:       1565392913989,
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| 				NumBlocks:     2,
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| 				BlockDuration: tsdb.DefaultBlockDuration,
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| 				Samples: []backfillSample{
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| 					{
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| 						Timestamp: 1565133713989,
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| 						Value:     1021,
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| 						Labels:    labels.FromStrings("__name__", "http_requests_total", "code", "200"),
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| 					},
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| 					{
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| 						Timestamp: 1565392913989,
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| 						Value:     1,
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| 						Labels:    labels.FromStrings("__name__", "go_info", "version", "go1.15.3"),
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| 					},
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| 				},
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| 			},
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| 		},
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| 		{
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| 			ToParse: `# HELP http_requests_total The total number of HTTP requests.
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| # TYPE http_requests_total counter
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| http_requests_total{code="200"} 1021 1565133713.989
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| http_requests_total{code="200"} 1 1565133714.989
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| http_requests_total{code="400"} 2 1565133715.989
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| # EOF
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| `,
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| 			IsOk:                 true,
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| 			Description:          "Multiple samples with different timestamp for the same series.",
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| 			MaxSamplesInAppender: 5000,
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| 			Expected: struct {
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| 				MinTime       int64
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| 				MaxTime       int64
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| 				NumBlocks     int
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| 				BlockDuration int64
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| 				Samples       []backfillSample
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| 			}{
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| 				MinTime:       1565133713989,
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| 				MaxTime:       1565133715989,
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| 				NumBlocks:     1,
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| 				BlockDuration: tsdb.DefaultBlockDuration,
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| 				Samples: []backfillSample{
 | |
| 					{
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| 						Timestamp: 1565133713989,
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| 						Value:     1021,
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| 						Labels:    labels.FromStrings("__name__", "http_requests_total", "code", "200"),
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| 					},
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| 					{
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| 						Timestamp: 1565133714989,
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| 						Value:     1,
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| 						Labels:    labels.FromStrings("__name__", "http_requests_total", "code", "200"),
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| 					},
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| 					{
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| 						Timestamp: 1565133715989,
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| 						Value:     2,
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| 						Labels:    labels.FromStrings("__name__", "http_requests_total", "code", "400"),
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| 					},
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| 				},
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| 			},
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| 		},
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| 		{
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| 			ToParse: `# HELP http_requests_total The total number of HTTP requests.
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| # TYPE http_requests_total counter
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| http_requests_total{code="200"} 1021 1624463088.000
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| http_requests_total{code="200"} 1 1627055153.000
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| http_requests_total{code="400"} 2 1627056153.000
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| # EOF
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| `,
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| 			IsOk:                 true,
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| 			Description:          "Long maximum block duration puts all data into one block.",
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| 			MaxSamplesInAppender: 5000,
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| 			MaxBlockDuration:     2048 * time.Hour,
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| 			Expected: struct {
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| 				MinTime       int64
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| 				MaxTime       int64
 | |
| 				NumBlocks     int
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| 				BlockDuration int64
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| 				Samples       []backfillSample
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| 			}{
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| 				MinTime:       1624463088000,
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| 				MaxTime:       1627056153000,
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| 				NumBlocks:     1,
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| 				BlockDuration: int64(1458 * time.Hour / time.Millisecond),
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| 				Samples: []backfillSample{
 | |
| 					{
 | |
| 						Timestamp: 1624463088000,
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| 						Value:     1021,
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| 						Labels:    labels.FromStrings("__name__", "http_requests_total", "code", "200"),
 | |
| 					},
 | |
| 					{
 | |
| 						Timestamp: 1627055153000,
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| 						Value:     1,
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| 						Labels:    labels.FromStrings("__name__", "http_requests_total", "code", "200"),
 | |
| 					},
 | |
| 					{
 | |
| 						Timestamp: 1627056153000,
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| 						Value:     2,
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| 						Labels:    labels.FromStrings("__name__", "http_requests_total", "code", "400"),
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| 					},
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| 				},
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| 			},
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| 		},
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| 		{
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| 			ToParse: `# HELP http_requests_total The total number of HTTP requests.
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| # TYPE http_requests_total counter
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| http_requests_total{code="200"} 1 1624463088.000
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| http_requests_total{code="200"} 2 1629503088.000
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| http_requests_total{code="200"} 3 1629863088.000
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| # EOF
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| `,
 | |
| 			IsOk:                 true,
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| 			Description:          "Long maximum block duration puts all data into two blocks.",
 | |
| 			MaxSamplesInAppender: 5000,
 | |
| 			MaxBlockDuration:     2048 * time.Hour,
 | |
| 			Expected: struct {
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| 				MinTime       int64
 | |
| 				MaxTime       int64
 | |
| 				NumBlocks     int
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| 				BlockDuration int64
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| 				Samples       []backfillSample
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| 			}{
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| 				MinTime:       1624463088000,
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| 				MaxTime:       1629863088000,
 | |
| 				NumBlocks:     2,
 | |
| 				BlockDuration: int64(1458 * time.Hour / time.Millisecond),
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| 				Samples: []backfillSample{
 | |
| 					{
 | |
| 						Timestamp: 1624463088000,
 | |
| 						Value:     1,
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| 						Labels:    labels.FromStrings("__name__", "http_requests_total", "code", "200"),
 | |
| 					},
 | |
| 					{
 | |
| 						Timestamp: 1629503088000,
 | |
| 						Value:     2,
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| 						Labels:    labels.FromStrings("__name__", "http_requests_total", "code", "200"),
 | |
| 					},
 | |
| 					{
 | |
| 						Timestamp: 1629863088000,
 | |
| 						Value:     3,
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| 						Labels:    labels.FromStrings("__name__", "http_requests_total", "code", "200"),
 | |
| 					},
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| 				},
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| 			},
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| 		},
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| 		{
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| 			ToParse: `# HELP http_requests_total The total number of HTTP requests.
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| # TYPE http_requests_total counter
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| http_requests_total{code="200"} 1 1624463088.000
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| http_requests_total{code="200"} 2 1765943088.000
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| http_requests_total{code="200"} 3 1768463088.000
 | |
| # EOF
 | |
| `,
 | |
| 			IsOk:                 true,
 | |
| 			Description:          "Maximum block duration longer than longest possible duration, uses largest duration, puts all data into two blocks.",
 | |
| 			MaxSamplesInAppender: 5000,
 | |
| 			MaxBlockDuration:     200000 * time.Hour,
 | |
| 			Expected: struct {
 | |
| 				MinTime       int64
 | |
| 				MaxTime       int64
 | |
| 				NumBlocks     int
 | |
| 				BlockDuration int64
 | |
| 				Samples       []backfillSample
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| 			}{
 | |
| 				MinTime:       1624463088000,
 | |
| 				MaxTime:       1768463088000,
 | |
| 				NumBlocks:     2,
 | |
| 				BlockDuration: int64(39366 * time.Hour / time.Millisecond),
 | |
| 				Samples: []backfillSample{
 | |
| 					{
 | |
| 						Timestamp: 1624463088000,
 | |
| 						Value:     1,
 | |
| 						Labels:    labels.FromStrings("__name__", "http_requests_total", "code", "200"),
 | |
| 					},
 | |
| 					{
 | |
| 						Timestamp: 1765943088000,
 | |
| 						Value:     2,
 | |
| 						Labels:    labels.FromStrings("__name__", "http_requests_total", "code", "200"),
 | |
| 					},
 | |
| 					{
 | |
| 						Timestamp: 1768463088000,
 | |
| 						Value:     3,
 | |
| 						Labels:    labels.FromStrings("__name__", "http_requests_total", "code", "200"),
 | |
| 					},
 | |
| 				},
 | |
| 			},
 | |
| 		},
 | |
| 		{
 | |
| 			ToParse: `# HELP http_requests_total The total number of HTTP requests.
 | |
| # TYPE http_requests_total counter
 | |
| http_requests_total{code="200"} 1021 1565133713.989
 | |
| http_requests_total{code="200"} 1022 1565144513.989
 | |
| http_requests_total{code="400"} 2 1565155313.989
 | |
| http_requests_total{code="400"} 1 1565166113.989
 | |
| # EOF
 | |
| `,
 | |
| 			IsOk:                 true,
 | |
| 			Description:          "Multiple samples that end up in different blocks.",
 | |
| 			MaxSamplesInAppender: 5000,
 | |
| 			Expected: struct {
 | |
| 				MinTime       int64
 | |
| 				MaxTime       int64
 | |
| 				NumBlocks     int
 | |
| 				BlockDuration int64
 | |
| 				Samples       []backfillSample
 | |
| 			}{
 | |
| 				MinTime:       1565133713989,
 | |
| 				MaxTime:       1565166113989,
 | |
| 				NumBlocks:     4,
 | |
| 				BlockDuration: tsdb.DefaultBlockDuration,
 | |
| 				Samples: []backfillSample{
 | |
| 					{
 | |
| 						Timestamp: 1565133713989,
 | |
| 						Value:     1021,
 | |
| 						Labels:    labels.FromStrings("__name__", "http_requests_total", "code", "200"),
 | |
| 					},
 | |
| 					{
 | |
| 						Timestamp: 1565144513989,
 | |
| 						Value:     1022,
 | |
| 						Labels:    labels.FromStrings("__name__", "http_requests_total", "code", "200"),
 | |
| 					},
 | |
| 					{
 | |
| 						Timestamp: 1565155313989,
 | |
| 						Value:     2,
 | |
| 						Labels:    labels.FromStrings("__name__", "http_requests_total", "code", "400"),
 | |
| 					},
 | |
| 					{
 | |
| 						Timestamp: 1565166113989,
 | |
| 						Value:     1,
 | |
| 						Labels:    labels.FromStrings("__name__", "http_requests_total", "code", "400"),
 | |
| 					},
 | |
| 				},
 | |
| 			},
 | |
| 		},
 | |
| 		{
 | |
| 			ToParse: `# HELP http_requests_total The total number of HTTP requests.
 | |
| # TYPE http_requests_total counter
 | |
| http_requests_total{code="200"} 1021 1565133713.989
 | |
| http_requests_total{code="200"} 1022 1565133714
 | |
| http_requests_total{code="200"} 1023 1565133716
 | |
| http_requests_total{code="200"} 1022 1565144513.989
 | |
| http_requests_total{code="400"} 2 1565155313.989
 | |
| http_requests_total{code="400"} 3 1565155314
 | |
| http_requests_total{code="400"} 1 1565166113.989
 | |
| # EOF
 | |
| `,
 | |
| 			IsOk:                 true,
 | |
| 			Description:          "Number of samples are greater than the sample batch size.",
 | |
| 			MaxSamplesInAppender: 2,
 | |
| 			Expected: struct {
 | |
| 				MinTime       int64
 | |
| 				MaxTime       int64
 | |
| 				NumBlocks     int
 | |
| 				BlockDuration int64
 | |
| 				Samples       []backfillSample
 | |
| 			}{
 | |
| 				MinTime:       1565133713989,
 | |
| 				MaxTime:       1565166113989,
 | |
| 				NumBlocks:     4,
 | |
| 				BlockDuration: tsdb.DefaultBlockDuration,
 | |
| 				Samples: []backfillSample{
 | |
| 					{
 | |
| 						Timestamp: 1565133713989,
 | |
| 						Value:     1021,
 | |
| 						Labels:    labels.FromStrings("__name__", "http_requests_total", "code", "200"),
 | |
| 					},
 | |
| 					{
 | |
| 						Timestamp: 1565133714000,
 | |
| 						Value:     1022,
 | |
| 						Labels:    labels.FromStrings("__name__", "http_requests_total", "code", "200"),
 | |
| 					},
 | |
| 					{
 | |
| 						Timestamp: 1565133716000,
 | |
| 						Value:     1023,
 | |
| 						Labels:    labels.FromStrings("__name__", "http_requests_total", "code", "200"),
 | |
| 					},
 | |
| 					{
 | |
| 						Timestamp: 1565144513989,
 | |
| 						Value:     1022,
 | |
| 						Labels:    labels.FromStrings("__name__", "http_requests_total", "code", "200"),
 | |
| 					},
 | |
| 					{
 | |
| 						Timestamp: 1565155313989,
 | |
| 						Value:     2,
 | |
| 						Labels:    labels.FromStrings("__name__", "http_requests_total", "code", "400"),
 | |
| 					},
 | |
| 					{
 | |
| 						Timestamp: 1565155314000,
 | |
| 						Value:     3,
 | |
| 						Labels:    labels.FromStrings("__name__", "http_requests_total", "code", "400"),
 | |
| 					},
 | |
| 					{
 | |
| 						Timestamp: 1565166113989,
 | |
| 						Value:     1,
 | |
| 						Labels:    labels.FromStrings("__name__", "http_requests_total", "code", "400"),
 | |
| 					},
 | |
| 				},
 | |
| 			},
 | |
| 		},
 | |
| 		{ // For https://github.com/prometheus/prometheus/issues/8476.
 | |
| 			ToParse: `# HELP http_requests_total The total number of HTTP requests.
 | |
| # TYPE http_requests_total counter
 | |
| http_requests_total{code="200"} 1021 0
 | |
| http_requests_total{code="200"} 1022 7199
 | |
| http_requests_total{code="400"} 1023 0
 | |
| http_requests_total{code="400"} 1024 7199
 | |
| # EOF
 | |
| `,
 | |
| 			IsOk:                 true,
 | |
| 			Description:          "One series spanning 2h in same block should not cause problems to other series.",
 | |
| 			MaxSamplesInAppender: 1,
 | |
| 			Expected: struct {
 | |
| 				MinTime       int64
 | |
| 				MaxTime       int64
 | |
| 				NumBlocks     int
 | |
| 				BlockDuration int64
 | |
| 				Samples       []backfillSample
 | |
| 			}{
 | |
| 				MinTime:       0,
 | |
| 				MaxTime:       7199000,
 | |
| 				NumBlocks:     1,
 | |
| 				BlockDuration: tsdb.DefaultBlockDuration,
 | |
| 				Samples: []backfillSample{
 | |
| 					{
 | |
| 						Timestamp: 0,
 | |
| 						Value:     1021,
 | |
| 						Labels:    labels.FromStrings("__name__", "http_requests_total", "code", "200"),
 | |
| 					},
 | |
| 					{
 | |
| 						Timestamp: 7199000,
 | |
| 						Value:     1022,
 | |
| 						Labels:    labels.FromStrings("__name__", "http_requests_total", "code", "200"),
 | |
| 					},
 | |
| 					{
 | |
| 						Timestamp: 0,
 | |
| 						Value:     1023,
 | |
| 						Labels:    labels.FromStrings("__name__", "http_requests_total", "code", "400"),
 | |
| 					},
 | |
| 					{
 | |
| 						Timestamp: 7199000,
 | |
| 						Value:     1024,
 | |
| 						Labels:    labels.FromStrings("__name__", "http_requests_total", "code", "400"),
 | |
| 					},
 | |
| 				},
 | |
| 			},
 | |
| 		},
 | |
| 		{
 | |
| 			ToParse: `no_help_no_type{foo="bar"} 42 6900
 | |
| # EOF
 | |
| `,
 | |
| 			IsOk:                 true,
 | |
| 			Description:          "Sample with no #HELP or #TYPE keyword.",
 | |
| 			MaxSamplesInAppender: 5000,
 | |
| 			Expected: struct {
 | |
| 				MinTime       int64
 | |
| 				MaxTime       int64
 | |
| 				NumBlocks     int
 | |
| 				BlockDuration int64
 | |
| 				Samples       []backfillSample
 | |
| 			}{
 | |
| 				MinTime:       6900000,
 | |
| 				MaxTime:       6900000,
 | |
| 				NumBlocks:     1,
 | |
| 				BlockDuration: tsdb.DefaultBlockDuration,
 | |
| 				Samples: []backfillSample{
 | |
| 					{
 | |
| 						Timestamp: 6900000,
 | |
| 						Value:     42,
 | |
| 						Labels:    labels.FromStrings("__name__", "no_help_no_type", "foo", "bar"),
 | |
| 					},
 | |
| 				},
 | |
| 			},
 | |
| 		},
 | |
| 		{
 | |
| 			ToParse: `no_newline_after_eof 42 6900
 | |
| # EOF`,
 | |
| 			IsOk:                 true,
 | |
| 			Description:          "Sample without newline after # EOF.",
 | |
| 			MaxSamplesInAppender: 5000,
 | |
| 			Expected: struct {
 | |
| 				MinTime       int64
 | |
| 				MaxTime       int64
 | |
| 				NumBlocks     int
 | |
| 				BlockDuration int64
 | |
| 				Samples       []backfillSample
 | |
| 			}{
 | |
| 				MinTime:       6900000,
 | |
| 				MaxTime:       6900000,
 | |
| 				NumBlocks:     1,
 | |
| 				BlockDuration: tsdb.DefaultBlockDuration,
 | |
| 				Samples: []backfillSample{
 | |
| 					{
 | |
| 						Timestamp: 6900000,
 | |
| 						Value:     42,
 | |
| 						Labels:    labels.FromStrings("__name__", "no_newline_after_eof"),
 | |
| 					},
 | |
| 				},
 | |
| 			},
 | |
| 		},
 | |
| 		{
 | |
| 			ToParse: `bare_metric 42.24 1001
 | |
| # EOF
 | |
| `,
 | |
| 			IsOk:                 true,
 | |
| 			Description:          "Bare sample.",
 | |
| 			MaxSamplesInAppender: 5000,
 | |
| 			Expected: struct {
 | |
| 				MinTime       int64
 | |
| 				MaxTime       int64
 | |
| 				NumBlocks     int
 | |
| 				BlockDuration int64
 | |
| 				Samples       []backfillSample
 | |
| 			}{
 | |
| 				MinTime:       1001000,
 | |
| 				MaxTime:       1001000,
 | |
| 				NumBlocks:     1,
 | |
| 				BlockDuration: tsdb.DefaultBlockDuration,
 | |
| 				Samples: []backfillSample{
 | |
| 					{
 | |
| 						Timestamp: 1001000,
 | |
| 						Value:     42.24,
 | |
| 						Labels:    labels.FromStrings("__name__", "bare_metric"),
 | |
| 					},
 | |
| 				},
 | |
| 			},
 | |
| 		},
 | |
| 		{
 | |
| 			ToParse: `# HELP rpc_duration_seconds A summary of the RPC duration in seconds.
 | |
| # TYPE rpc_duration_seconds summary
 | |
| rpc_duration_seconds{quantile="0.01"} 3102
 | |
| rpc_duration_seconds{quantile="0.05"} 3272
 | |
| # EOF
 | |
| `,
 | |
| 			IsOk:        false,
 | |
| 			Description: "Does not have timestamp.",
 | |
| 		},
 | |
| 		{
 | |
| 			ToParse: `# HELP bad_metric This a bad metric
 | |
| # TYPE bad_metric bad_type
 | |
| bad_metric{type="has a bad type information"} 0.0 111
 | |
| # EOF
 | |
| `,
 | |
| 			IsOk:        false,
 | |
| 			Description: "Has a bad type information.",
 | |
| 		},
 | |
| 		{
 | |
| 			ToParse: `# HELP no_nl This test has no newline so will fail
 | |
| # TYPE no_nl gauge
 | |
| no_nl{type="no newline"}
 | |
| # EOF
 | |
| `,
 | |
| 			IsOk:        false,
 | |
| 			Description: "No newline.",
 | |
| 		},
 | |
| 		{
 | |
| 			ToParse: `# HELP no_eof This test has no EOF so will fail
 | |
| # TYPE no_eof gauge
 | |
| no_eof 1 1
 | |
| `,
 | |
| 			IsOk:        false,
 | |
| 			Description: "No EOF.",
 | |
| 		},
 | |
| 		{
 | |
| 			ToParse: `# HELP after_eof There is data after EOF.
 | |
| # TYPE after_eof gauge
 | |
| after_eof 1 1
 | |
| # EOF
 | |
| after_eof 1 2
 | |
| `,
 | |
| 			IsOk:        false,
 | |
| 			Description: "Data after EOF.",
 | |
| 		},
 | |
| 	}
 | |
| 	for _, test := range tests {
 | |
| 		t.Run(test.Description, func(t *testing.T) {
 | |
| 			t.Logf("Test:%s", test.Description)
 | |
| 
 | |
| 			outputDir := t.TempDir()
 | |
| 
 | |
| 			err := backfill(test.MaxSamplesInAppender, []byte(test.ToParse), outputDir, false, false, test.MaxBlockDuration)
 | |
| 
 | |
| 			if !test.IsOk {
 | |
| 				require.Error(t, err, test.Description)
 | |
| 				return
 | |
| 			}
 | |
| 
 | |
| 			require.NoError(t, err)
 | |
| 			options := tsdb.DefaultOptions()
 | |
| 			options.RetentionDuration = int64(10 * 365 * 24 * time.Hour / time.Millisecond) // maximum duration tests require a long retention
 | |
| 			db, err := tsdb.Open(outputDir, nil, nil, options, nil)
 | |
| 			require.NoError(t, err)
 | |
| 			defer func() {
 | |
| 				require.NoError(t, db.Close())
 | |
| 			}()
 | |
| 
 | |
| 			testBlocks(t, db, test.Expected.MinTime, test.Expected.MaxTime, test.Expected.BlockDuration, test.Expected.Samples, test.Expected.NumBlocks)
 | |
| 		})
 | |
| 	}
 | |
| }
 |