mirror of https://github.com/prometheus/prometheus
474 lines
16 KiB
Go
474 lines
16 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 remote
|
|
|
|
import (
|
|
"bytes"
|
|
"errors"
|
|
"net/http"
|
|
"net/http/httptest"
|
|
"net/url"
|
|
"testing"
|
|
"time"
|
|
|
|
"github.com/prometheus/client_golang/prometheus"
|
|
common_config "github.com/prometheus/common/config"
|
|
"github.com/prometheus/common/model"
|
|
"github.com/stretchr/testify/require"
|
|
"go.opentelemetry.io/collector/pdata/pcommon"
|
|
"go.opentelemetry.io/collector/pdata/pmetric"
|
|
"go.opentelemetry.io/collector/pdata/pmetric/pmetricotlp"
|
|
|
|
"github.com/prometheus/prometheus/config"
|
|
"github.com/prometheus/prometheus/model/labels"
|
|
"github.com/prometheus/prometheus/model/relabel"
|
|
)
|
|
|
|
func testRemoteWriteConfig() *config.RemoteWriteConfig {
|
|
return &config.RemoteWriteConfig{
|
|
Name: "dev",
|
|
URL: &common_config.URL{
|
|
URL: &url.URL{
|
|
Scheme: "http",
|
|
Host: "localhost",
|
|
},
|
|
},
|
|
QueueConfig: config.DefaultQueueConfig,
|
|
ProtobufMessage: config.RemoteWriteProtoMsgV1,
|
|
}
|
|
}
|
|
|
|
func TestWriteStorageApplyConfig_NoDuplicateWriteConfigs(t *testing.T) {
|
|
dir := t.TempDir()
|
|
|
|
cfg1 := config.RemoteWriteConfig{
|
|
Name: "write-1",
|
|
URL: &common_config.URL{
|
|
URL: &url.URL{
|
|
Scheme: "http",
|
|
Host: "localhost",
|
|
},
|
|
},
|
|
QueueConfig: config.DefaultQueueConfig,
|
|
ProtobufMessage: config.RemoteWriteProtoMsgV1,
|
|
}
|
|
cfg2 := config.RemoteWriteConfig{
|
|
Name: "write-2",
|
|
URL: &common_config.URL{
|
|
URL: &url.URL{
|
|
Scheme: "http",
|
|
Host: "localhost",
|
|
},
|
|
},
|
|
QueueConfig: config.DefaultQueueConfig,
|
|
ProtobufMessage: config.RemoteWriteProtoMsgV1,
|
|
}
|
|
cfg3 := config.RemoteWriteConfig{
|
|
URL: &common_config.URL{
|
|
URL: &url.URL{
|
|
Scheme: "http",
|
|
Host: "localhost",
|
|
},
|
|
},
|
|
QueueConfig: config.DefaultQueueConfig,
|
|
ProtobufMessage: config.RemoteWriteProtoMsgV1,
|
|
}
|
|
|
|
for _, tc := range []struct {
|
|
cfgs []*config.RemoteWriteConfig
|
|
expectedErr error
|
|
}{
|
|
{ // Two duplicates, we should get an error.
|
|
cfgs: []*config.RemoteWriteConfig{&cfg1, &cfg1},
|
|
expectedErr: errors.New("duplicate remote write configs are not allowed, found duplicate for URL: http://localhost"),
|
|
},
|
|
{ // Duplicates but with different names, we should not get an error.
|
|
cfgs: []*config.RemoteWriteConfig{&cfg1, &cfg2},
|
|
},
|
|
{ // Duplicates but one with no name, we should not get an error.
|
|
cfgs: []*config.RemoteWriteConfig{&cfg1, &cfg3},
|
|
},
|
|
{ // Duplicates both with no name, we should get an error.
|
|
cfgs: []*config.RemoteWriteConfig{&cfg3, &cfg3},
|
|
expectedErr: errors.New("duplicate remote write configs are not allowed, found duplicate for URL: http://localhost"),
|
|
},
|
|
} {
|
|
t.Run("", func(t *testing.T) {
|
|
s := NewWriteStorage(nil, nil, dir, time.Millisecond, nil, false)
|
|
conf := &config.Config{
|
|
GlobalConfig: config.DefaultGlobalConfig,
|
|
RemoteWriteConfigs: tc.cfgs,
|
|
}
|
|
err := s.ApplyConfig(conf)
|
|
if tc.expectedErr == nil {
|
|
require.NoError(t, err)
|
|
} else {
|
|
require.Error(t, err)
|
|
require.Equal(t, tc.expectedErr, err)
|
|
}
|
|
|
|
require.NoError(t, s.Close())
|
|
})
|
|
}
|
|
}
|
|
|
|
func TestWriteStorageApplyConfig_RestartOnNameChange(t *testing.T) {
|
|
dir := t.TempDir()
|
|
|
|
cfg := testRemoteWriteConfig()
|
|
|
|
hash, err := toHash(cfg)
|
|
require.NoError(t, err)
|
|
|
|
s := NewWriteStorage(nil, nil, dir, time.Millisecond, nil, false)
|
|
|
|
conf := &config.Config{
|
|
GlobalConfig: config.DefaultGlobalConfig,
|
|
RemoteWriteConfigs: []*config.RemoteWriteConfig{cfg},
|
|
}
|
|
require.NoError(t, s.ApplyConfig(conf))
|
|
require.Equal(t, s.queues[hash].client().Name(), cfg.Name)
|
|
|
|
// Change the queues name, ensure the queue has been restarted.
|
|
conf.RemoteWriteConfigs[0].Name = "dev-2"
|
|
require.NoError(t, s.ApplyConfig(conf))
|
|
hash, err = toHash(cfg)
|
|
require.NoError(t, err)
|
|
require.Equal(t, s.queues[hash].client().Name(), conf.RemoteWriteConfigs[0].Name)
|
|
|
|
require.NoError(t, s.Close())
|
|
}
|
|
|
|
func TestWriteStorageApplyConfig_UpdateWithRegisterer(t *testing.T) {
|
|
dir := t.TempDir()
|
|
|
|
s := NewWriteStorage(nil, prometheus.NewRegistry(), dir, time.Millisecond, nil, false)
|
|
c1 := &config.RemoteWriteConfig{
|
|
Name: "named",
|
|
URL: &common_config.URL{
|
|
URL: &url.URL{
|
|
Scheme: "http",
|
|
Host: "localhost",
|
|
},
|
|
},
|
|
QueueConfig: config.DefaultQueueConfig,
|
|
ProtobufMessage: config.RemoteWriteProtoMsgV1,
|
|
}
|
|
c2 := &config.RemoteWriteConfig{
|
|
URL: &common_config.URL{
|
|
URL: &url.URL{
|
|
Scheme: "http",
|
|
Host: "localhost",
|
|
},
|
|
},
|
|
QueueConfig: config.DefaultQueueConfig,
|
|
ProtobufMessage: config.RemoteWriteProtoMsgV1,
|
|
}
|
|
conf := &config.Config{
|
|
GlobalConfig: config.DefaultGlobalConfig,
|
|
RemoteWriteConfigs: []*config.RemoteWriteConfig{c1, c2},
|
|
}
|
|
require.NoError(t, s.ApplyConfig(conf))
|
|
|
|
c1.QueueConfig.MaxShards = 10
|
|
c2.QueueConfig.MaxShards = 10
|
|
require.NoError(t, s.ApplyConfig(conf))
|
|
for _, queue := range s.queues {
|
|
require.Equal(t, 10, queue.cfg.MaxShards)
|
|
}
|
|
|
|
require.NoError(t, s.Close())
|
|
}
|
|
|
|
func TestWriteStorageApplyConfig_Lifecycle(t *testing.T) {
|
|
dir := t.TempDir()
|
|
|
|
s := NewWriteStorage(nil, nil, dir, defaultFlushDeadline, nil, false)
|
|
conf := &config.Config{
|
|
GlobalConfig: config.DefaultGlobalConfig,
|
|
RemoteWriteConfigs: []*config.RemoteWriteConfig{
|
|
baseRemoteWriteConfig("http://test-storage.com"),
|
|
},
|
|
}
|
|
require.NoError(t, s.ApplyConfig(conf))
|
|
require.Len(t, s.queues, 1)
|
|
|
|
require.NoError(t, s.Close())
|
|
}
|
|
|
|
func TestWriteStorageApplyConfig_UpdateExternalLabels(t *testing.T) {
|
|
dir := t.TempDir()
|
|
|
|
s := NewWriteStorage(nil, prometheus.NewRegistry(), dir, time.Second, nil, false)
|
|
|
|
externalLabels := labels.FromStrings("external", "true")
|
|
conf := &config.Config{
|
|
GlobalConfig: config.GlobalConfig{},
|
|
RemoteWriteConfigs: []*config.RemoteWriteConfig{
|
|
testRemoteWriteConfig(),
|
|
},
|
|
}
|
|
hash, err := toHash(conf.RemoteWriteConfigs[0])
|
|
require.NoError(t, err)
|
|
require.NoError(t, s.ApplyConfig(conf))
|
|
require.Len(t, s.queues, 1)
|
|
require.Empty(t, s.queues[hash].externalLabels)
|
|
|
|
conf.GlobalConfig.ExternalLabels = externalLabels
|
|
hash, err = toHash(conf.RemoteWriteConfigs[0])
|
|
require.NoError(t, err)
|
|
require.NoError(t, s.ApplyConfig(conf))
|
|
require.Len(t, s.queues, 1)
|
|
require.Equal(t, []labels.Label{{Name: "external", Value: "true"}}, s.queues[hash].externalLabels)
|
|
|
|
require.NoError(t, s.Close())
|
|
}
|
|
|
|
func TestWriteStorageApplyConfig_Idempotent(t *testing.T) {
|
|
dir := t.TempDir()
|
|
|
|
s := NewWriteStorage(nil, nil, dir, defaultFlushDeadline, nil, false)
|
|
conf := &config.Config{
|
|
GlobalConfig: config.GlobalConfig{},
|
|
RemoteWriteConfigs: []*config.RemoteWriteConfig{
|
|
baseRemoteWriteConfig("http://test-storage.com"),
|
|
},
|
|
}
|
|
hash, err := toHash(conf.RemoteWriteConfigs[0])
|
|
require.NoError(t, err)
|
|
|
|
require.NoError(t, s.ApplyConfig(conf))
|
|
require.Len(t, s.queues, 1)
|
|
|
|
require.NoError(t, s.ApplyConfig(conf))
|
|
require.Len(t, s.queues, 1)
|
|
_, hashExists := s.queues[hash]
|
|
require.True(t, hashExists, "Queue pointer should have remained the same")
|
|
|
|
require.NoError(t, s.Close())
|
|
}
|
|
|
|
func TestWriteStorageApplyConfig_PartialUpdate(t *testing.T) {
|
|
dir := t.TempDir()
|
|
|
|
s := NewWriteStorage(nil, nil, dir, defaultFlushDeadline, nil, false)
|
|
|
|
c0 := &config.RemoteWriteConfig{
|
|
RemoteTimeout: model.Duration(10 * time.Second),
|
|
QueueConfig: config.DefaultQueueConfig,
|
|
WriteRelabelConfigs: []*relabel.Config{
|
|
{
|
|
Regex: relabel.MustNewRegexp(".+"),
|
|
},
|
|
},
|
|
ProtobufMessage: config.RemoteWriteProtoMsgV1,
|
|
}
|
|
c1 := &config.RemoteWriteConfig{
|
|
RemoteTimeout: model.Duration(20 * time.Second),
|
|
QueueConfig: config.DefaultQueueConfig,
|
|
HTTPClientConfig: common_config.HTTPClientConfig{
|
|
BearerToken: "foo",
|
|
},
|
|
ProtobufMessage: config.RemoteWriteProtoMsgV1,
|
|
}
|
|
c2 := &config.RemoteWriteConfig{
|
|
RemoteTimeout: model.Duration(30 * time.Second),
|
|
QueueConfig: config.DefaultQueueConfig,
|
|
ProtobufMessage: config.RemoteWriteProtoMsgV1,
|
|
}
|
|
|
|
conf := &config.Config{
|
|
GlobalConfig: config.GlobalConfig{},
|
|
RemoteWriteConfigs: []*config.RemoteWriteConfig{c0, c1, c2},
|
|
}
|
|
// We need to set URL's so that metric creation doesn't panic.
|
|
for i := range conf.RemoteWriteConfigs {
|
|
conf.RemoteWriteConfigs[i].URL = &common_config.URL{
|
|
URL: &url.URL{
|
|
Host: "http://test-storage.com",
|
|
},
|
|
}
|
|
}
|
|
require.NoError(t, s.ApplyConfig(conf))
|
|
require.Len(t, s.queues, 3)
|
|
|
|
hashes := make([]string, len(conf.RemoteWriteConfigs))
|
|
queues := make([]*QueueManager, len(conf.RemoteWriteConfigs))
|
|
storeHashes := func() {
|
|
for i := range conf.RemoteWriteConfigs {
|
|
hash, err := toHash(conf.RemoteWriteConfigs[i])
|
|
require.NoError(t, err)
|
|
hashes[i] = hash
|
|
queues[i] = s.queues[hash]
|
|
}
|
|
}
|
|
|
|
storeHashes()
|
|
// Update c0 and c2.
|
|
c0.WriteRelabelConfigs[0] = &relabel.Config{Regex: relabel.MustNewRegexp("foo")}
|
|
c2.RemoteTimeout = model.Duration(50 * time.Second)
|
|
conf = &config.Config{
|
|
GlobalConfig: config.GlobalConfig{},
|
|
RemoteWriteConfigs: []*config.RemoteWriteConfig{c0, c1, c2},
|
|
}
|
|
require.NoError(t, s.ApplyConfig(conf))
|
|
require.Len(t, s.queues, 3)
|
|
|
|
_, hashExists := s.queues[hashes[0]]
|
|
require.False(t, hashExists, "The queue for the first remote write configuration should have been restarted because the relabel configuration has changed.")
|
|
q, hashExists := s.queues[hashes[1]]
|
|
require.True(t, hashExists, "Hash of unchanged queue should have remained the same")
|
|
require.Equal(t, q, queues[1], "Pointer of unchanged queue should have remained the same")
|
|
_, hashExists = s.queues[hashes[2]]
|
|
require.False(t, hashExists, "The queue for the third remote write configuration should have been restarted because the timeout has changed.")
|
|
|
|
storeHashes()
|
|
secondClient := s.queues[hashes[1]].client()
|
|
// Update c1.
|
|
c1.HTTPClientConfig.BearerToken = "bar"
|
|
err := s.ApplyConfig(conf)
|
|
require.NoError(t, err)
|
|
require.Len(t, s.queues, 3)
|
|
|
|
_, hashExists = s.queues[hashes[0]]
|
|
require.True(t, hashExists, "Pointer of unchanged queue should have remained the same")
|
|
q, hashExists = s.queues[hashes[1]]
|
|
require.True(t, hashExists, "Hash of queue with secret change should have remained the same")
|
|
require.NotEqual(t, secondClient, q.client(), "Pointer of a client with a secret change should not be the same")
|
|
_, hashExists = s.queues[hashes[2]]
|
|
require.True(t, hashExists, "Pointer of unchanged queue should have remained the same")
|
|
|
|
storeHashes()
|
|
// Delete c0.
|
|
conf = &config.Config{
|
|
GlobalConfig: config.GlobalConfig{},
|
|
RemoteWriteConfigs: []*config.RemoteWriteConfig{c1, c2},
|
|
}
|
|
require.NoError(t, s.ApplyConfig(conf))
|
|
require.Len(t, s.queues, 2)
|
|
|
|
_, hashExists = s.queues[hashes[0]]
|
|
require.False(t, hashExists, "If a config is removed, the queue should be stopped and recreated.")
|
|
_, hashExists = s.queues[hashes[1]]
|
|
require.True(t, hashExists, "Pointer of unchanged queue should have remained the same")
|
|
_, hashExists = s.queues[hashes[2]]
|
|
require.True(t, hashExists, "Pointer of unchanged queue should have remained the same")
|
|
|
|
require.NoError(t, s.Close())
|
|
}
|
|
|
|
func TestOTLPWriteHandler(t *testing.T) {
|
|
exportRequest := generateOTLPWriteRequest(t)
|
|
|
|
buf, err := exportRequest.MarshalProto()
|
|
require.NoError(t, err)
|
|
|
|
req, err := http.NewRequest("", "", bytes.NewReader(buf))
|
|
require.NoError(t, err)
|
|
req.Header.Set("Content-Type", "application/x-protobuf")
|
|
|
|
appendable := &mockAppendable{}
|
|
handler := NewOTLPWriteHandler(nil, appendable)
|
|
|
|
recorder := httptest.NewRecorder()
|
|
handler.ServeHTTP(recorder, req)
|
|
|
|
resp := recorder.Result()
|
|
require.Equal(t, http.StatusOK, resp.StatusCode)
|
|
|
|
require.Len(t, appendable.samples, 12) // 1 (counter) + 1 (gauge) + 1 (target_info) + 7 (hist_bucket) + 2 (hist_sum, hist_count)
|
|
require.Len(t, appendable.histograms, 1) // 1 (exponential histogram)
|
|
require.Len(t, appendable.exemplars, 1) // 1 (exemplar)
|
|
}
|
|
|
|
func generateOTLPWriteRequest(t *testing.T) pmetricotlp.ExportRequest {
|
|
d := pmetric.NewMetrics()
|
|
|
|
// Generate One Counter, One Gauge, One Histogram, One Exponential-Histogram
|
|
// with resource attributes: service.name="test-service", service.instance.id="test-instance", host.name="test-host"
|
|
// with metric attribute: foo.bar="baz"
|
|
|
|
timestamp := time.Now()
|
|
|
|
resourceMetric := d.ResourceMetrics().AppendEmpty()
|
|
resourceMetric.Resource().Attributes().PutStr("service.name", "test-service")
|
|
resourceMetric.Resource().Attributes().PutStr("service.instance.id", "test-instance")
|
|
resourceMetric.Resource().Attributes().PutStr("host.name", "test-host")
|
|
|
|
scopeMetric := resourceMetric.ScopeMetrics().AppendEmpty()
|
|
|
|
// Generate One Counter
|
|
counterMetric := scopeMetric.Metrics().AppendEmpty()
|
|
counterMetric.SetName("test-counter")
|
|
counterMetric.SetDescription("test-counter-description")
|
|
counterMetric.SetEmptySum()
|
|
counterMetric.Sum().SetAggregationTemporality(pmetric.AggregationTemporalityCumulative)
|
|
counterMetric.Sum().SetIsMonotonic(true)
|
|
|
|
counterDataPoint := counterMetric.Sum().DataPoints().AppendEmpty()
|
|
counterDataPoint.SetTimestamp(pcommon.NewTimestampFromTime(timestamp))
|
|
counterDataPoint.SetDoubleValue(10.0)
|
|
counterDataPoint.Attributes().PutStr("foo.bar", "baz")
|
|
|
|
counterExemplar := counterDataPoint.Exemplars().AppendEmpty()
|
|
counterExemplar.SetTimestamp(pcommon.NewTimestampFromTime(timestamp))
|
|
counterExemplar.SetDoubleValue(10.0)
|
|
counterExemplar.SetSpanID(pcommon.SpanID{0, 1, 2, 3, 4, 5, 6, 7})
|
|
counterExemplar.SetTraceID(pcommon.TraceID{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15})
|
|
|
|
// Generate One Gauge
|
|
gaugeMetric := scopeMetric.Metrics().AppendEmpty()
|
|
gaugeMetric.SetName("test-gauge")
|
|
gaugeMetric.SetDescription("test-gauge-description")
|
|
gaugeMetric.SetEmptyGauge()
|
|
|
|
gaugeDataPoint := gaugeMetric.Gauge().DataPoints().AppendEmpty()
|
|
gaugeDataPoint.SetTimestamp(pcommon.NewTimestampFromTime(timestamp))
|
|
gaugeDataPoint.SetDoubleValue(10.0)
|
|
gaugeDataPoint.Attributes().PutStr("foo.bar", "baz")
|
|
|
|
// Generate One Histogram
|
|
histogramMetric := scopeMetric.Metrics().AppendEmpty()
|
|
histogramMetric.SetName("test-histogram")
|
|
histogramMetric.SetDescription("test-histogram-description")
|
|
histogramMetric.SetEmptyHistogram()
|
|
histogramMetric.Histogram().SetAggregationTemporality(pmetric.AggregationTemporalityCumulative)
|
|
|
|
histogramDataPoint := histogramMetric.Histogram().DataPoints().AppendEmpty()
|
|
histogramDataPoint.SetTimestamp(pcommon.NewTimestampFromTime(timestamp))
|
|
histogramDataPoint.ExplicitBounds().FromRaw([]float64{0.0, 1.0, 2.0, 3.0, 4.0, 5.0})
|
|
histogramDataPoint.BucketCounts().FromRaw([]uint64{2, 2, 2, 2, 2, 2})
|
|
histogramDataPoint.SetCount(10)
|
|
histogramDataPoint.SetSum(30.0)
|
|
histogramDataPoint.Attributes().PutStr("foo.bar", "baz")
|
|
|
|
// Generate One Exponential-Histogram
|
|
exponentialHistogramMetric := scopeMetric.Metrics().AppendEmpty()
|
|
exponentialHistogramMetric.SetName("test-exponential-histogram")
|
|
exponentialHistogramMetric.SetDescription("test-exponential-histogram-description")
|
|
exponentialHistogramMetric.SetEmptyExponentialHistogram()
|
|
exponentialHistogramMetric.ExponentialHistogram().SetAggregationTemporality(pmetric.AggregationTemporalityCumulative)
|
|
|
|
exponentialHistogramDataPoint := exponentialHistogramMetric.ExponentialHistogram().DataPoints().AppendEmpty()
|
|
exponentialHistogramDataPoint.SetTimestamp(pcommon.NewTimestampFromTime(timestamp))
|
|
exponentialHistogramDataPoint.SetScale(2.0)
|
|
exponentialHistogramDataPoint.Positive().BucketCounts().FromRaw([]uint64{2, 2, 2, 2, 2})
|
|
exponentialHistogramDataPoint.SetZeroCount(2)
|
|
exponentialHistogramDataPoint.SetCount(10)
|
|
exponentialHistogramDataPoint.SetSum(30.0)
|
|
exponentialHistogramDataPoint.Attributes().PutStr("foo.bar", "baz")
|
|
|
|
return pmetricotlp.NewExportRequestFromMetrics(d)
|
|
}
|