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c954cd9d1d
This creates a new `model` directory and moves all data-model related packages over there: exemplar labels relabel rulefmt textparse timestamp value All the others are more or less utilities and have been moved to `util`: gate logging modetimevfs pool runtime Signed-off-by: beorn7 <beorn@grafana.com>
76 lines
2.4 KiB
Go
76 lines
2.4 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 teststorage
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import (
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"io/ioutil"
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"os"
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"time"
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"github.com/prometheus/client_golang/prometheus"
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"github.com/stretchr/testify/require"
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"github.com/prometheus/prometheus/model/exemplar"
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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/util/testutil"
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)
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// New returns a new TestStorage for testing purposes
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// that removes all associated files on closing.
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func New(t testutil.T) *TestStorage {
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dir, err := ioutil.TempDir("", "test_storage")
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require.NoError(t, err, "unexpected error while opening test directory")
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// Tests just load data for a series sequentially. Thus we
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// need a long appendable window.
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opts := tsdb.DefaultOptions()
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opts.MinBlockDuration = int64(24 * time.Hour / time.Millisecond)
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opts.MaxBlockDuration = int64(24 * time.Hour / time.Millisecond)
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db, err := tsdb.Open(dir, nil, nil, opts, tsdb.NewDBStats())
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require.NoError(t, err, "unexpected error while opening test storage")
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reg := prometheus.NewRegistry()
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eMetrics := tsdb.NewExemplarMetrics(reg)
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es, err := tsdb.NewCircularExemplarStorage(10, eMetrics)
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require.NoError(t, err, "unexpected error while opening test exemplar storage")
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return &TestStorage{DB: db, exemplarStorage: es, dir: dir}
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}
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type TestStorage struct {
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*tsdb.DB
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exemplarStorage tsdb.ExemplarStorage
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dir string
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}
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func (s TestStorage) Close() error {
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if err := s.DB.Close(); err != nil {
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return err
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}
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return os.RemoveAll(s.dir)
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}
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func (s TestStorage) ExemplarAppender() storage.ExemplarAppender {
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return s
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}
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func (s TestStorage) ExemplarQueryable() storage.ExemplarQueryable {
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return s.exemplarStorage
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}
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func (s TestStorage) AppendExemplar(ref storage.SeriesRef, l labels.Labels, e exemplar.Exemplar) (storage.SeriesRef, error) {
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return ref, s.exemplarStorage.AddExemplar(l, e)
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}
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