1// Copyright 2017 The Prometheus Authors 2// Licensed under the Apache License, Version 2.0 (the "License"); 3// you may not use this file except in compliance with the License. 4// You may obtain a copy of the License at 5// 6// http://www.apache.org/licenses/LICENSE-2.0 7// 8// Unless required by applicable law or agreed to in writing, software 9// distributed under the License is distributed on an "AS IS" BASIS, 10// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 11// See the License for the specific language governing permissions and 12// limitations under the License. 13 14package tsdb 15 16import ( 17 "github.com/pkg/errors" 18 19 "github.com/prometheus/prometheus/pkg/labels" 20 "github.com/prometheus/prometheus/tsdb/chunkenc" 21 "github.com/prometheus/prometheus/tsdb/chunks" 22 "github.com/prometheus/prometheus/tsdb/tombstones" 23) 24 25type mockIndexWriter struct { 26 seriesChunks []series 27} 28 29func copyChunk(c chunkenc.Chunk) (chunkenc.Chunk, error) { 30 b := c.Bytes() 31 nb := make([]byte, len(b)) 32 copy(nb, b) 33 return chunkenc.FromData(c.Encoding(), nb) 34} 35 36func (mockIndexWriter) AddSymbol(string) error { return nil } 37func (m *mockIndexWriter) AddSeries(_ uint64, l labels.Labels, chks ...chunks.Meta) error { 38 // Copy chunks as their bytes are pooled. 39 chksNew := make([]chunks.Meta, len(chks)) 40 for i, chk := range chks { 41 c, err := copyChunk(chk.Chunk) 42 if err != nil { 43 return errors.Wrap(err, "mockIndexWriter: copy chunk") 44 } 45 chksNew[i] = chunks.Meta{MaxTime: chk.MaxTime, MinTime: chk.MinTime, Chunk: c} 46 } 47 48 // We don't combine multiple same series together, by design as `AddSeries` requires full series to be saved. 49 m.seriesChunks = append(m.seriesChunks, series{l: l, chunks: chksNew}) 50 return nil 51} 52 53func (mockIndexWriter) WriteLabelIndex([]string, []string) error { return nil } 54func (mockIndexWriter) Close() error { return nil } 55 56type mockBReader struct { 57 ir IndexReader 58 cr ChunkReader 59 mint int64 60 maxt int64 61} 62 63func (r *mockBReader) Index() (IndexReader, error) { return r.ir, nil } 64func (r *mockBReader) Chunks() (ChunkReader, error) { return r.cr, nil } 65func (r *mockBReader) Tombstones() (tombstones.Reader, error) { 66 return tombstones.NewMemTombstones(), nil 67} 68func (r *mockBReader) Meta() BlockMeta { return BlockMeta{MinTime: r.mint, MaxTime: r.maxt} } 69func (r *mockBReader) Size() int64 { return 0 } 70