mirror of
https://github.com/prometheus/prometheus.git
synced 2024-12-25 21:54:10 -08:00
5a9ddeecef
unexported NewMemTombstones as this returns unexported memTombstones type which will not be shows in godoc. Added missing comments for exported methods. Removed unused RecordLogger,RecordReader interfaces. Signed-off-by: Krasi Georgiev <kgeorgie@redhat.com>
120 lines
3.4 KiB
Go
120 lines
3.4 KiB
Go
// Copyright 2017 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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package tsdb
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import (
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"io/ioutil"
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"math/rand"
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"os"
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"path/filepath"
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"testing"
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"github.com/go-kit/kit/log"
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"github.com/prometheus/tsdb/index"
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"github.com/prometheus/tsdb/labels"
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"github.com/prometheus/tsdb/testutil"
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)
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// In Prometheus 2.1.0 we had a bug where the meta.json version was falsely bumped
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// to 2. We had a migration in place resetting it to 1 but we should move immediately to
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// version 3 next time to avoid confusion and issues.
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func TestBlockMetaMustNeverBeVersion2(t *testing.T) {
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dir, err := ioutil.TempDir("", "metaversion")
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testutil.Ok(t, err)
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defer os.RemoveAll(dir)
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testutil.Ok(t, writeMetaFile(dir, &BlockMeta{}))
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meta, err := readMetaFile(dir)
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testutil.Ok(t, err)
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testutil.Assert(t, meta.Version != 2, "meta.json version must never be 2")
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}
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func TestSetCompactionFailed(t *testing.T) {
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tmpdir, err := ioutil.TempDir("", "test")
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testutil.Ok(t, err)
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defer os.RemoveAll(tmpdir)
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b := createEmptyBlock(t, tmpdir, &BlockMeta{Version: 2})
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testutil.Equals(t, false, b.meta.Compaction.Failed)
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testutil.Ok(t, b.setCompactionFailed())
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testutil.Equals(t, true, b.meta.Compaction.Failed)
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testutil.Ok(t, b.Close())
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b, err = OpenBlock(tmpdir, nil)
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testutil.Ok(t, err)
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testutil.Equals(t, true, b.meta.Compaction.Failed)
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}
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// createEmpty block creates a block with the given meta but without any data.
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func createEmptyBlock(t *testing.T, dir string, meta *BlockMeta) *Block {
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testutil.Ok(t, os.MkdirAll(dir, 0777))
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testutil.Ok(t, writeMetaFile(dir, meta))
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ir, err := index.NewWriter(filepath.Join(dir, indexFilename))
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testutil.Ok(t, err)
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testutil.Ok(t, ir.Close())
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testutil.Ok(t, os.MkdirAll(chunkDir(dir), 0777))
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testutil.Ok(t, writeTombstoneFile(dir, newMemTombstones()))
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b, err := OpenBlock(dir, nil)
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testutil.Ok(t, err)
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return b
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}
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// createPopulatedBlock creates a block with nSeries series, and nSamples samples.
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func createPopulatedBlock(tb testing.TB, dir string, nSeries, nSamples int) *Block {
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head, err := NewHead(nil, nil, nil, 2*60*60*1000)
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testutil.Ok(tb, err)
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defer head.Close()
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lbls, err := labels.ReadLabels(filepath.Join("testdata", "20kseries.json"), nSeries)
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testutil.Ok(tb, err)
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refs := make([]uint64, nSeries)
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for n := 0; n < nSamples; n++ {
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app := head.Appender()
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ts := n * 1000
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for i, lbl := range lbls {
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if refs[i] != 0 {
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err := app.AddFast(refs[i], int64(ts), rand.Float64())
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if err == nil {
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continue
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}
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}
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ref, err := app.Add(lbl, int64(ts), rand.Float64())
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testutil.Ok(tb, err)
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refs[i] = ref
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}
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err := app.Commit()
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testutil.Ok(tb, err)
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}
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compactor, err := NewLeveledCompactor(nil, log.NewNopLogger(), []int64{1000000}, nil)
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testutil.Ok(tb, err)
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testutil.Ok(tb, os.MkdirAll(dir, 0777))
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ulid, err := compactor.Write(dir, head, head.MinTime(), head.MaxTime(), nil)
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testutil.Ok(tb, err)
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blk, err := OpenBlock(filepath.Join(dir, ulid.String()), nil)
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testutil.Ok(tb, err)
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return blk
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}
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