mirror of
https://github.com/open-telemetry/opentelemetry-go.git
synced 2024-12-12 10:04:29 +02:00
0bb12d9b1b
* New label set API * Checkpoint * Remove label.Labels interface * Fix trace * Remove label storage * Restore metric_test.go * Tidy tests * More comments * More comments * Same changes as 654 * Checkpoint * Fix batch labels * Avoid Resource.Attributes() where possible * Update comments and restore order in resource.go * From feedback * From feedback * Move iterator_test & feedback * Strenghten the label.Set test * Feedback on typos * Fix the set test per @krnowak * Nit
718 lines
17 KiB
Go
718 lines
17 KiB
Go
// Copyright The OpenTelemetry Authors
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//
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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 otlp
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import (
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"context"
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"testing"
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colmetricpb "github.com/open-telemetry/opentelemetry-proto/gen/go/collector/metrics/v1"
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commonpb "github.com/open-telemetry/opentelemetry-proto/gen/go/common/v1"
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metricpb "github.com/open-telemetry/opentelemetry-proto/gen/go/metrics/v1"
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resourcepb "github.com/open-telemetry/opentelemetry-proto/gen/go/resource/v1"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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"go.opentelemetry.io/otel/api/core"
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"go.opentelemetry.io/otel/api/key"
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"go.opentelemetry.io/otel/api/label"
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"go.opentelemetry.io/otel/api/metric"
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metricsdk "go.opentelemetry.io/otel/sdk/export/metric"
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"go.opentelemetry.io/otel/sdk/export/metric/aggregator"
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"go.opentelemetry.io/otel/sdk/metric/aggregator/minmaxsumcount"
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"go.opentelemetry.io/otel/sdk/metric/aggregator/sum"
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"go.opentelemetry.io/otel/sdk/resource"
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"google.golang.org/grpc"
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)
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type metricsServiceClientStub struct {
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rm []metricpb.ResourceMetrics
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}
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func (m *metricsServiceClientStub) Export(ctx context.Context, in *colmetricpb.ExportMetricsServiceRequest, opts ...grpc.CallOption) (*colmetricpb.ExportMetricsServiceResponse, error) {
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for _, rm := range in.GetResourceMetrics() {
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if rm == nil {
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continue
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}
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m.rm = append(m.rm, *rm)
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}
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return &colmetricpb.ExportMetricsServiceResponse{}, nil
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}
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func (m *metricsServiceClientStub) ResourceMetrics() []metricpb.ResourceMetrics {
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return m.rm
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}
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func (m *metricsServiceClientStub) Reset() {
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m.rm = nil
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}
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type checkpointSet struct {
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records []metricsdk.Record
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}
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func (m checkpointSet) ForEach(fn func(metricsdk.Record) error) error {
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for _, r := range m.records {
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if err := fn(r); err != nil && err != aggregator.ErrNoData {
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return err
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}
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}
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return nil
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}
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type record struct {
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name string
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mKind metric.Kind
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nKind core.NumberKind
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opts []metric.Option
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labels []core.KeyValue
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}
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var (
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baseKeyValues = []core.KeyValue{key.String("host", "test.com")}
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cpuKey = core.Key("CPU")
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testInstA = resource.New(key.String("instance", "tester-a"))
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testInstB = resource.New(key.String("instance", "tester-b"))
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cpu1MD = &metricpb.MetricDescriptor{
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Name: "int64-count",
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Type: metricpb.MetricDescriptor_COUNTER_INT64,
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Labels: []*commonpb.StringKeyValue{
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{
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Key: "CPU",
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Value: "1",
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},
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{
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Key: "host",
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Value: "test.com",
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},
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},
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}
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cpu2MD = &metricpb.MetricDescriptor{
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Name: "int64-count",
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Type: metricpb.MetricDescriptor_COUNTER_INT64,
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Labels: []*commonpb.StringKeyValue{
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{
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Key: "CPU",
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Value: "2",
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},
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{
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Key: "host",
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Value: "test.com",
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},
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},
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}
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testerAResource = &resourcepb.Resource{
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Attributes: []*commonpb.AttributeKeyValue{
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{
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Key: "instance",
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Type: commonpb.AttributeKeyValue_STRING,
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StringValue: "tester-a",
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},
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},
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}
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testerBResource = &resourcepb.Resource{
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Attributes: []*commonpb.AttributeKeyValue{
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{
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Key: "instance",
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Type: commonpb.AttributeKeyValue_STRING,
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StringValue: "tester-b",
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},
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},
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}
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)
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func TestNoGroupingExport(t *testing.T) {
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runMetricExportTests(
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t,
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[]record{
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{
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"int64-count",
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metric.CounterKind,
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core.Int64NumberKind,
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[]metric.Option{},
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append(baseKeyValues, cpuKey.Int(1)),
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},
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{
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"int64-count",
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metric.CounterKind,
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core.Int64NumberKind,
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[]metric.Option{},
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append(baseKeyValues, cpuKey.Int(2)),
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},
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},
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[]metricpb.ResourceMetrics{
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{
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Resource: nil,
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InstrumentationLibraryMetrics: []*metricpb.InstrumentationLibraryMetrics{
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{
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Metrics: []*metricpb.Metric{
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{
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MetricDescriptor: cpu1MD,
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Int64DataPoints: []*metricpb.Int64DataPoint{
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{
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Value: 11,
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},
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},
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},
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{
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MetricDescriptor: cpu2MD,
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Int64DataPoints: []*metricpb.Int64DataPoint{
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{
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Value: 11,
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},
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},
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},
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},
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},
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},
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},
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},
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)
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}
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func TestMeasureMetricGroupingExport(t *testing.T) {
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r := record{
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"measure",
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metric.MeasureKind,
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core.Int64NumberKind,
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[]metric.Option{},
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append(baseKeyValues, cpuKey.Int(1)),
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}
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expected := []metricpb.ResourceMetrics{
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{
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Resource: nil,
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InstrumentationLibraryMetrics: []*metricpb.InstrumentationLibraryMetrics{
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{
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Metrics: []*metricpb.Metric{
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{
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MetricDescriptor: &metricpb.MetricDescriptor{
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Name: "measure",
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Type: metricpb.MetricDescriptor_SUMMARY,
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Labels: []*commonpb.StringKeyValue{
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{
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Key: "CPU",
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Value: "1",
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},
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{
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Key: "host",
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Value: "test.com",
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},
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},
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},
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SummaryDataPoints: []*metricpb.SummaryDataPoint{
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{
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Count: 2,
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Sum: 11,
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PercentileValues: []*metricpb.SummaryDataPoint_ValueAtPercentile{
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{
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Percentile: 0.0,
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Value: 1.0,
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},
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{
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Percentile: 100.0,
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Value: 10.0,
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},
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},
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},
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{
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Count: 2,
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Sum: 11,
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PercentileValues: []*metricpb.SummaryDataPoint_ValueAtPercentile{
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{
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Percentile: 0.0,
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Value: 1.0,
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},
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{
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Percentile: 100.0,
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Value: 10.0,
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},
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},
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},
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},
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},
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},
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},
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},
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},
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}
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runMetricExportTests(t, []record{r, r}, expected)
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//changing the number kind should make no difference.
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r.nKind = core.Uint64NumberKind
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runMetricExportTests(t, []record{r, r}, expected)
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r.nKind = core.Float64NumberKind
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runMetricExportTests(t, []record{r, r}, expected)
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}
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func TestCountInt64MetricGroupingExport(t *testing.T) {
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r := record{
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"int64-count",
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metric.CounterKind,
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core.Int64NumberKind,
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[]metric.Option{},
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append(baseKeyValues, cpuKey.Int(1)),
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}
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runMetricExportTests(
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t,
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[]record{r, r},
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[]metricpb.ResourceMetrics{
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{
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Resource: nil,
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InstrumentationLibraryMetrics: []*metricpb.InstrumentationLibraryMetrics{
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{
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Metrics: []*metricpb.Metric{
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{
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MetricDescriptor: cpu1MD,
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Int64DataPoints: []*metricpb.Int64DataPoint{
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{
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Value: 11,
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},
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{
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Value: 11,
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},
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},
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},
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},
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},
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},
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},
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},
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)
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}
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func TestCountUint64MetricGroupingExport(t *testing.T) {
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r := record{
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"uint64-count",
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metric.CounterKind,
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core.Uint64NumberKind,
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[]metric.Option{},
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append(baseKeyValues, cpuKey.Int(1)),
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}
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runMetricExportTests(
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t,
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[]record{r, r},
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[]metricpb.ResourceMetrics{
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{
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Resource: nil,
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InstrumentationLibraryMetrics: []*metricpb.InstrumentationLibraryMetrics{
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{
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Metrics: []*metricpb.Metric{
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{
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MetricDescriptor: &metricpb.MetricDescriptor{
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Name: "uint64-count",
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Type: metricpb.MetricDescriptor_COUNTER_INT64,
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Labels: []*commonpb.StringKeyValue{
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{
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Key: "CPU",
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Value: "1",
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},
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{
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Key: "host",
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Value: "test.com",
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},
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},
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},
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Int64DataPoints: []*metricpb.Int64DataPoint{
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{
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Value: 11,
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},
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{
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Value: 11,
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},
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},
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},
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},
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},
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},
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},
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},
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)
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}
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func TestCountFloat64MetricGroupingExport(t *testing.T) {
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r := record{
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"float64-count",
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metric.CounterKind,
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core.Float64NumberKind,
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[]metric.Option{},
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append(baseKeyValues, cpuKey.Int(1)),
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}
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runMetricExportTests(
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t,
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[]record{r, r},
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[]metricpb.ResourceMetrics{
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{
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Resource: nil,
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InstrumentationLibraryMetrics: []*metricpb.InstrumentationLibraryMetrics{
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{
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Metrics: []*metricpb.Metric{
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{
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MetricDescriptor: &metricpb.MetricDescriptor{
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Name: "float64-count",
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Type: metricpb.MetricDescriptor_COUNTER_DOUBLE,
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Labels: []*commonpb.StringKeyValue{
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{
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Key: "CPU",
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Value: "1",
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},
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{
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Key: "host",
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Value: "test.com",
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},
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},
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},
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DoubleDataPoints: []*metricpb.DoubleDataPoint{
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{
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Value: 11,
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},
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{
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Value: 11,
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},
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},
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},
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},
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},
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},
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},
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},
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)
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}
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func TestResourceMetricGroupingExport(t *testing.T) {
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runMetricExportTests(
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t,
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[]record{
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{
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"int64-count",
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metric.CounterKind,
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core.Int64NumberKind,
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[]metric.Option{metric.WithResource(testInstA)},
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append(baseKeyValues, cpuKey.Int(1)),
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},
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{
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"int64-count",
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metric.CounterKind,
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core.Int64NumberKind,
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[]metric.Option{metric.WithResource(testInstA)},
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append(baseKeyValues, cpuKey.Int(1)),
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},
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{
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"int64-count",
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metric.CounterKind,
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core.Int64NumberKind,
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[]metric.Option{metric.WithResource(testInstA)},
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append(baseKeyValues, cpuKey.Int(2)),
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},
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{
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"int64-count",
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metric.CounterKind,
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core.Int64NumberKind,
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[]metric.Option{metric.WithResource(testInstB)},
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append(baseKeyValues, cpuKey.Int(1)),
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},
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},
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[]metricpb.ResourceMetrics{
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{
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Resource: testerAResource,
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InstrumentationLibraryMetrics: []*metricpb.InstrumentationLibraryMetrics{
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{
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Metrics: []*metricpb.Metric{
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{
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MetricDescriptor: cpu1MD,
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Int64DataPoints: []*metricpb.Int64DataPoint{
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{
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Value: 11,
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},
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{
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Value: 11,
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},
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},
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},
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{
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MetricDescriptor: cpu2MD,
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Int64DataPoints: []*metricpb.Int64DataPoint{
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{
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Value: 11,
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},
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},
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},
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},
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},
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},
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},
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{
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Resource: testerBResource,
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InstrumentationLibraryMetrics: []*metricpb.InstrumentationLibraryMetrics{
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{
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Metrics: []*metricpb.Metric{
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{
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MetricDescriptor: cpu1MD,
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Int64DataPoints: []*metricpb.Int64DataPoint{
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{
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Value: 11,
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},
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},
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},
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},
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},
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},
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},
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},
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)
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}
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func TestResourceInstLibMetricGroupingExport(t *testing.T) {
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runMetricExportTests(
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t,
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[]record{
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{
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"int64-count",
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metric.CounterKind,
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core.Int64NumberKind,
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[]metric.Option{
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metric.WithResource(testInstA),
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metric.WithLibraryName("couting-lib"),
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},
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append(baseKeyValues, cpuKey.Int(1)),
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},
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{
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"int64-count",
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metric.CounterKind,
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core.Int64NumberKind,
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[]metric.Option{
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metric.WithResource(testInstA),
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metric.WithLibraryName("couting-lib"),
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},
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append(baseKeyValues, cpuKey.Int(1)),
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},
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{
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"int64-count",
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metric.CounterKind,
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core.Int64NumberKind,
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[]metric.Option{
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metric.WithResource(testInstA),
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metric.WithLibraryName("couting-lib"),
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},
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append(baseKeyValues, cpuKey.Int(2)),
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},
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{
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"int64-count",
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metric.CounterKind,
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core.Int64NumberKind,
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[]metric.Option{
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metric.WithResource(testInstA),
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metric.WithLibraryName("summing-lib"),
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},
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append(baseKeyValues, cpuKey.Int(1)),
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},
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{
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"int64-count",
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metric.CounterKind,
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core.Int64NumberKind,
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[]metric.Option{
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metric.WithResource(testInstB),
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metric.WithLibraryName("couting-lib"),
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},
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append(baseKeyValues, cpuKey.Int(1)),
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},
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},
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[]metricpb.ResourceMetrics{
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{
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Resource: testerAResource,
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InstrumentationLibraryMetrics: []*metricpb.InstrumentationLibraryMetrics{
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{
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InstrumentationLibrary: &commonpb.InstrumentationLibrary{
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Name: "couting-lib",
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},
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Metrics: []*metricpb.Metric{
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{
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MetricDescriptor: cpu1MD,
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Int64DataPoints: []*metricpb.Int64DataPoint{
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{
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Value: 11,
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},
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{
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Value: 11,
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},
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},
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},
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{
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MetricDescriptor: cpu2MD,
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Int64DataPoints: []*metricpb.Int64DataPoint{
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{
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Value: 11,
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},
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},
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},
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},
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},
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{
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InstrumentationLibrary: &commonpb.InstrumentationLibrary{
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Name: "summing-lib",
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},
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Metrics: []*metricpb.Metric{
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{
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MetricDescriptor: cpu1MD,
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Int64DataPoints: []*metricpb.Int64DataPoint{
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{
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Value: 11,
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},
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},
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},
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},
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},
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},
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},
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{
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Resource: testerBResource,
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InstrumentationLibraryMetrics: []*metricpb.InstrumentationLibraryMetrics{
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{
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InstrumentationLibrary: &commonpb.InstrumentationLibrary{
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Name: "couting-lib",
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},
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Metrics: []*metricpb.Metric{
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{
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MetricDescriptor: cpu1MD,
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Int64DataPoints: []*metricpb.Int64DataPoint{
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{
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Value: 11,
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},
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},
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},
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},
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},
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},
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},
|
|
},
|
|
)
|
|
}
|
|
|
|
// What works single-threaded should work multi-threaded
|
|
func runMetricExportTests(t *testing.T, rs []record, expected []metricpb.ResourceMetrics) {
|
|
t.Run("1 goroutine", func(t *testing.T) {
|
|
runMetricExportTest(t, NewUnstartedExporter(WorkerCount(1)), rs, expected)
|
|
})
|
|
t.Run("20 goroutines", func(t *testing.T) {
|
|
runMetricExportTest(t, NewUnstartedExporter(WorkerCount(20)), rs, expected)
|
|
})
|
|
}
|
|
|
|
func runMetricExportTest(t *testing.T, exp *Exporter, rs []record, expected []metricpb.ResourceMetrics) {
|
|
msc := &metricsServiceClientStub{}
|
|
exp.metricExporter = msc
|
|
exp.started = true
|
|
|
|
var recs []metricsdk.Record
|
|
for _, r := range rs {
|
|
desc := metric.NewDescriptor(r.name, r.mKind, r.nKind, r.opts...)
|
|
labs := label.NewSet(r.labels...)
|
|
|
|
var agg metricsdk.Aggregator
|
|
switch r.mKind {
|
|
case metric.CounterKind:
|
|
agg = sum.New()
|
|
default:
|
|
agg = minmaxsumcount.New(&desc)
|
|
}
|
|
|
|
ctx := context.Background()
|
|
switch r.nKind {
|
|
case core.Uint64NumberKind:
|
|
require.NoError(t, agg.Update(ctx, core.NewUint64Number(1), &desc))
|
|
require.NoError(t, agg.Update(ctx, core.NewUint64Number(10), &desc))
|
|
case core.Int64NumberKind:
|
|
require.NoError(t, agg.Update(ctx, core.NewInt64Number(1), &desc))
|
|
require.NoError(t, agg.Update(ctx, core.NewInt64Number(10), &desc))
|
|
case core.Float64NumberKind:
|
|
require.NoError(t, agg.Update(ctx, core.NewFloat64Number(1), &desc))
|
|
require.NoError(t, agg.Update(ctx, core.NewFloat64Number(10), &desc))
|
|
default:
|
|
t.Fatalf("invalid number kind: %v", r.nKind)
|
|
}
|
|
agg.Checkpoint(ctx, &desc)
|
|
|
|
recs = append(recs, metricsdk.NewRecord(&desc, &labs, agg))
|
|
}
|
|
assert.NoError(t, exp.Export(context.Background(), checkpointSet{records: recs}))
|
|
|
|
// assert.ElementsMatch does not equate nested slices of different order,
|
|
// therefore this requires the top level slice to be broken down.
|
|
// Build a map of Resource/InstrumentationLibrary pairs to Metrics, from
|
|
// that validate the metric elements match for all expected pairs. Finally,
|
|
// make we saw all expected pairs.
|
|
type key struct {
|
|
resource, instrumentationLibrary string
|
|
}
|
|
got := map[key][]*metricpb.Metric{}
|
|
for _, rm := range msc.ResourceMetrics() {
|
|
for _, ilm := range rm.InstrumentationLibraryMetrics {
|
|
k := key{
|
|
resource: rm.GetResource().String(),
|
|
instrumentationLibrary: ilm.GetInstrumentationLibrary().String(),
|
|
}
|
|
got[k] = ilm.GetMetrics()
|
|
}
|
|
}
|
|
seen := map[key]struct{}{}
|
|
for _, rm := range expected {
|
|
for _, ilm := range rm.InstrumentationLibraryMetrics {
|
|
k := key{
|
|
resource: rm.GetResource().String(),
|
|
instrumentationLibrary: ilm.GetInstrumentationLibrary().String(),
|
|
}
|
|
seen[k] = struct{}{}
|
|
g, ok := got[k]
|
|
if !ok {
|
|
t.Errorf("missing metrics for:\n\tResource: %s\n\tInstrumentationLibrary: %s\n", k.resource, k.instrumentationLibrary)
|
|
continue
|
|
}
|
|
assert.ElementsMatch(t, ilm.GetMetrics(), g, "metrics did not match for:\n\tResource: %s\n\tInstrumentationLibrary: %s\n", k.resource, k.instrumentationLibrary)
|
|
}
|
|
}
|
|
for k := range got {
|
|
if _, ok := seen[k]; !ok {
|
|
t.Errorf("did not expect metrics for:\n\tResource: %s\n\tInstrumentationLibrary: %s\n", k.resource, k.instrumentationLibrary)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestEmptyMetricExport(t *testing.T) {
|
|
msc := &metricsServiceClientStub{}
|
|
exp := NewUnstartedExporter()
|
|
exp.metricExporter = msc
|
|
exp.started = true
|
|
|
|
for _, test := range []struct {
|
|
records []metricsdk.Record
|
|
want []metricpb.ResourceMetrics
|
|
}{
|
|
{
|
|
[]metricsdk.Record(nil),
|
|
[]metricpb.ResourceMetrics(nil),
|
|
},
|
|
{
|
|
[]metricsdk.Record{},
|
|
[]metricpb.ResourceMetrics(nil),
|
|
},
|
|
} {
|
|
msc.Reset()
|
|
require.NoError(t, exp.Export(context.Background(), checkpointSet{records: test.records}))
|
|
assert.Equal(t, test.want, msc.ResourceMetrics())
|
|
}
|
|
}
|