mirror of
https://github.com/prometheus/prometheus.git
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fe41ce0b19
This commit conditionalizes the creation of the diskFrontier and seriesFrontier along with the iterator such that they are provisioned once something is actually required from disk.
111 lines
2.9 KiB
Go
111 lines
2.9 KiB
Go
// Copyright 2013 Prometheus Team
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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 metric
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import (
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"fmt"
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"github.com/prometheus/prometheus/model"
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"github.com/prometheus/prometheus/utility/test"
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"time"
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)
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var (
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// ``hg clone https://code.google.com/p/go ; cd go ; hg log | tail -n 20``
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usEastern, _ = time.LoadLocation("US/Eastern")
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testInstant = time.Date(1972, 7, 18, 19, 5, 45, 0, usEastern).In(time.UTC)
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)
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func testAppendSample(p MetricPersistence, s model.Sample, t test.Tester) {
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err := p.AppendSample(s)
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if err != nil {
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t.Fatal(err)
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}
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}
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func buildLevelDBTestPersistencesMaker(name string, t test.Tester) func() (MetricPersistence, test.Closer) {
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return func() (MetricPersistence, test.Closer) {
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temporaryDirectory := test.NewTemporaryDirectory("get_value_at_time", t)
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p, err := NewLevelDBMetricPersistence(temporaryDirectory.Path())
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if err != nil {
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t.Errorf("Could not start up LevelDB: %q\n", err)
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}
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return p, temporaryDirectory
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}
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}
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func buildLevelDBTestPersistence(name string, f func(p MetricPersistence, t test.Tester)) func(t test.Tester) {
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return func(t test.Tester) {
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temporaryDirectory := test.NewTemporaryDirectory(fmt.Sprintf("test_leveldb_%s", name), t)
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defer temporaryDirectory.Close()
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p, err := NewLevelDBMetricPersistence(temporaryDirectory.Path())
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if err != nil {
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t.Errorf("Could not create LevelDB Metric Persistence: %q\n", err)
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}
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defer p.Close()
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f(p, t)
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}
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}
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func buildMemoryTestPersistence(f func(p MetricPersistence, t test.Tester)) func(t test.Tester) {
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return func(t test.Tester) {
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p := NewMemorySeriesStorage()
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defer p.Close()
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f(p, t)
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}
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}
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type testTieredStorageCloser struct {
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storage *TieredStorage
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directory test.Closer
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}
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func (t testTieredStorageCloser) Close() {
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t.storage.Close()
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t.directory.Close()
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}
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func NewTestTieredStorage(t test.Tester) (storage *TieredStorage, closer test.Closer) {
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var directory test.TemporaryDirectory
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directory = test.NewTemporaryDirectory("test_tiered_storage", t)
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storage, err := NewTieredStorage(2500, 1000, 5*time.Second, 0, directory.Path())
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if err != nil {
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if storage != nil {
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storage.Close()
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}
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directory.Close()
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t.Fatalf("Error creating storage: %s", err)
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}
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if storage == nil {
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directory.Close()
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t.Fatalf("storage == nil")
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}
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go storage.Serve()
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closer = &testTieredStorageCloser{
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storage: storage,
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directory: directory,
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}
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return
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}
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