mirror of https://github.com/prometheus/prometheus
76 lines
2.4 KiB
Go
76 lines
2.4 KiB
Go
// Copyright 2017 The Prometheus Authors
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
package teststorage
|
|
|
|
import (
|
|
"io/ioutil"
|
|
"os"
|
|
"time"
|
|
|
|
"github.com/prometheus/client_golang/prometheus"
|
|
"github.com/stretchr/testify/require"
|
|
|
|
"github.com/prometheus/prometheus/model/exemplar"
|
|
"github.com/prometheus/prometheus/model/labels"
|
|
"github.com/prometheus/prometheus/storage"
|
|
"github.com/prometheus/prometheus/tsdb"
|
|
"github.com/prometheus/prometheus/util/testutil"
|
|
)
|
|
|
|
// New returns a new TestStorage for testing purposes
|
|
// that removes all associated files on closing.
|
|
func New(t testutil.T) *TestStorage {
|
|
dir, err := ioutil.TempDir("", "test_storage")
|
|
require.NoError(t, err, "unexpected error while opening test directory")
|
|
|
|
// Tests just load data for a series sequentially. Thus we
|
|
// need a long appendable window.
|
|
opts := tsdb.DefaultOptions()
|
|
opts.MinBlockDuration = int64(24 * time.Hour / time.Millisecond)
|
|
opts.MaxBlockDuration = int64(24 * time.Hour / time.Millisecond)
|
|
db, err := tsdb.Open(dir, nil, nil, opts, tsdb.NewDBStats())
|
|
require.NoError(t, err, "unexpected error while opening test storage")
|
|
reg := prometheus.NewRegistry()
|
|
eMetrics := tsdb.NewExemplarMetrics(reg)
|
|
|
|
es, err := tsdb.NewCircularExemplarStorage(10, eMetrics)
|
|
require.NoError(t, err, "unexpected error while opening test exemplar storage")
|
|
return &TestStorage{DB: db, exemplarStorage: es, dir: dir}
|
|
}
|
|
|
|
type TestStorage struct {
|
|
*tsdb.DB
|
|
exemplarStorage tsdb.ExemplarStorage
|
|
dir string
|
|
}
|
|
|
|
func (s TestStorage) Close() error {
|
|
if err := s.DB.Close(); err != nil {
|
|
return err
|
|
}
|
|
return os.RemoveAll(s.dir)
|
|
}
|
|
|
|
func (s TestStorage) ExemplarAppender() storage.ExemplarAppender {
|
|
return s
|
|
}
|
|
|
|
func (s TestStorage) ExemplarQueryable() storage.ExemplarQueryable {
|
|
return s.exemplarStorage
|
|
}
|
|
|
|
func (s TestStorage) AppendExemplar(ref storage.SeriesRef, l labels.Labels, e exemplar.Exemplar) (storage.SeriesRef, error) {
|
|
return ref, s.exemplarStorage.AddExemplar(l, e)
|
|
}
|