150 lines
4.0 KiB
Go
150 lines
4.0 KiB
Go
// Copyright 2019 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 remote
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import (
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"net/url"
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"testing"
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common_config "github.com/prometheus/common/config"
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"github.com/stretchr/testify/require"
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"github.com/prometheus/prometheus/config"
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"github.com/prometheus/prometheus/model/labels"
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)
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func TestStorageLifecycle(t *testing.T) {
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dir := t.TempDir()
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s := NewStorage(nil, nil, nil, dir, defaultFlushDeadline, nil)
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conf := &config.Config{
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GlobalConfig: config.DefaultGlobalConfig,
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RemoteWriteConfigs: []*config.RemoteWriteConfig{
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// We need to set URL's so that metric creation doesn't panic.
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baseRemoteWriteConfig("http://test-storage.com"),
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},
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RemoteReadConfigs: []*config.RemoteReadConfig{
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baseRemoteReadConfig("http://test-storage.com"),
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},
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}
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require.NoError(t, s.ApplyConfig(conf))
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// make sure remote write has a queue.
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require.Equal(t, 1, len(s.rws.queues))
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// make sure remote write has a queue.
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require.Equal(t, 1, len(s.queryables))
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err := s.Close()
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require.NoError(t, err)
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}
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func TestUpdateRemoteReadConfigs(t *testing.T) {
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dir := t.TempDir()
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s := NewStorage(nil, nil, nil, dir, defaultFlushDeadline, nil)
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conf := &config.Config{
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GlobalConfig: config.GlobalConfig{},
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}
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require.NoError(t, s.ApplyConfig(conf))
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require.Equal(t, 0, len(s.queryables))
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conf.RemoteReadConfigs = []*config.RemoteReadConfig{
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baseRemoteReadConfig("http://test-storage.com"),
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}
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require.NoError(t, s.ApplyConfig(conf))
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require.Equal(t, 1, len(s.queryables))
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err := s.Close()
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require.NoError(t, err)
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}
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func TestFilterExternalLabels(t *testing.T) {
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dir := t.TempDir()
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s := NewStorage(nil, nil, nil, dir, defaultFlushDeadline, nil)
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conf := &config.Config{
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GlobalConfig: config.GlobalConfig{
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ExternalLabels: labels.FromStrings("foo", "bar"),
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},
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}
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require.NoError(t, s.ApplyConfig(conf))
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require.Equal(t, 0, len(s.queryables))
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conf.RemoteReadConfigs = []*config.RemoteReadConfig{
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baseRemoteReadConfig("http://test-storage.com"),
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}
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require.NoError(t, s.ApplyConfig(conf))
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require.Equal(t, 1, len(s.queryables))
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require.Equal(t, 1, len(s.queryables[0].(*sampleAndChunkQueryableClient).externalLabels))
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err := s.Close()
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require.NoError(t, err)
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}
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func TestIgnoreExternalLabels(t *testing.T) {
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dir := t.TempDir()
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s := NewStorage(nil, nil, nil, dir, defaultFlushDeadline, nil)
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conf := &config.Config{
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GlobalConfig: config.GlobalConfig{
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ExternalLabels: labels.FromStrings("foo", "bar"),
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},
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}
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require.NoError(t, s.ApplyConfig(conf))
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require.Equal(t, 0, len(s.queryables))
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conf.RemoteReadConfigs = []*config.RemoteReadConfig{
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baseRemoteReadConfig("http://test-storage.com"),
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}
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conf.RemoteReadConfigs[0].FilterExternalLabels = false
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require.NoError(t, s.ApplyConfig(conf))
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require.Equal(t, 1, len(s.queryables))
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require.Equal(t, 0, len(s.queryables[0].(*sampleAndChunkQueryableClient).externalLabels))
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err := s.Close()
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require.NoError(t, err)
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}
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// baseRemoteWriteConfig copy values from global Default Write config
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// to avoid change global state and cross impact test execution
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func baseRemoteWriteConfig(host string) *config.RemoteWriteConfig {
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cfg := config.DefaultRemoteWriteConfig
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cfg.URL = &common_config.URL{
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URL: &url.URL{
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Host: host,
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},
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}
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return &cfg
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}
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// baseRemoteReadConfig copy values from global Default Read config
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// to avoid change global state and cross impact test execution
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func baseRemoteReadConfig(host string) *config.RemoteReadConfig {
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cfg := config.DefaultRemoteReadConfig
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cfg.URL = &common_config.URL{
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URL: &url.URL{
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Host: host,
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},
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}
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return &cfg
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}
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