opentelemetry-collector/exporter/exporterhelper/logs_test.go

264 lines
10 KiB
Go

// Copyright The OpenTelemetry 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 exporterhelper
import (
"context"
"errors"
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"go.opentelemetry.io/otel"
"go.opentelemetry.io/otel/attribute"
sdktrace "go.opentelemetry.io/otel/sdk/trace"
"go.opentelemetry.io/otel/sdk/trace/tracetest"
"go.opentelemetry.io/otel/trace"
"go.opentelemetry.io/collector/component"
"go.opentelemetry.io/collector/component/componenttest"
"go.opentelemetry.io/collector/config"
"go.opentelemetry.io/collector/consumer"
"go.opentelemetry.io/collector/consumer/consumererror"
"go.opentelemetry.io/collector/exporter"
"go.opentelemetry.io/collector/internal/obsreportconfig/obsmetrics"
"go.opentelemetry.io/collector/internal/testdata"
"go.opentelemetry.io/collector/obsreport/obsreporttest"
"go.opentelemetry.io/collector/pdata/plog"
)
const (
fakeLogsParentSpanName = "fake_logs_parent_span_name"
)
var fakeLogsExporterName = component.NewIDWithName("fake_logs_exporter", "with_name")
var (
fakeLogsExporterConfig = config.NewExporterSettings(fakeLogsExporterName)
)
func TestLogsRequest(t *testing.T) {
lr := newLogsRequest(context.Background(), testdata.GenerateLogs(1), nil)
logErr := consumererror.NewLogs(errors.New("some error"), plog.NewLogs())
assert.EqualValues(
t,
newLogsRequest(context.Background(), plog.NewLogs(), nil),
lr.OnError(logErr),
)
}
func TestLogsExporter_InvalidName(t *testing.T) {
le, err := NewLogsExporter(context.Background(), componenttest.NewNopExporterCreateSettings(), nil, newPushLogsData(nil))
require.Nil(t, le)
require.Equal(t, errNilConfig, err)
}
func TestLogsExporter_NilLogger(t *testing.T) {
le, err := NewLogsExporter(context.Background(), exporter.CreateSettings{}, &fakeLogsExporterConfig, newPushLogsData(nil))
require.Nil(t, le)
require.Equal(t, errNilLogger, err)
}
func TestLogsExporter_NilPushLogsData(t *testing.T) {
le, err := NewLogsExporter(context.Background(), componenttest.NewNopExporterCreateSettings(), &fakeLogsExporterConfig, nil)
require.Nil(t, le)
require.Equal(t, errNilPushLogsData, err)
}
func TestLogsExporter_Default(t *testing.T) {
ld := plog.NewLogs()
le, err := NewLogsExporter(context.Background(), componenttest.NewNopExporterCreateSettings(), &fakeLogsExporterConfig, newPushLogsData(nil))
assert.NotNil(t, le)
assert.NoError(t, err)
assert.Equal(t, consumer.Capabilities{MutatesData: false}, le.Capabilities())
assert.NoError(t, le.Start(context.Background(), componenttest.NewNopHost()))
assert.NoError(t, le.ConsumeLogs(context.Background(), ld))
assert.NoError(t, le.Shutdown(context.Background()))
}
func TestLogsExporter_WithCapabilities(t *testing.T) {
capabilities := consumer.Capabilities{MutatesData: true}
le, err := NewLogsExporter(context.Background(), componenttest.NewNopExporterCreateSettings(), &fakeLogsExporterConfig, newPushLogsData(nil), WithCapabilities(capabilities))
require.NoError(t, err)
require.NotNil(t, le)
assert.Equal(t, capabilities, le.Capabilities())
}
func TestLogsExporter_Default_ReturnError(t *testing.T) {
ld := plog.NewLogs()
want := errors.New("my_error")
le, err := NewLogsExporter(context.Background(), componenttest.NewNopExporterCreateSettings(), &fakeLogsExporterConfig, newPushLogsData(want))
require.NoError(t, err)
require.NotNil(t, le)
require.Equal(t, want, le.ConsumeLogs(context.Background(), ld))
}
func TestLogsExporter_WithRecordLogs(t *testing.T) {
tt, err := obsreporttest.SetupTelemetryWithID(fakeLogsExporterName)
require.NoError(t, err)
t.Cleanup(func() { require.NoError(t, tt.Shutdown(context.Background())) })
le, err := NewLogsExporter(context.Background(), tt.ToExporterCreateSettings(), &fakeLogsExporterConfig, newPushLogsData(nil))
require.NoError(t, err)
require.NotNil(t, le)
checkRecordedMetricsForLogsExporter(t, tt, le, nil)
}
func TestLogsExporter_WithRecordLogs_ReturnError(t *testing.T) {
want := errors.New("my_error")
tt, err := obsreporttest.SetupTelemetryWithID(fakeLogsExporterName)
require.NoError(t, err)
t.Cleanup(func() { require.NoError(t, tt.Shutdown(context.Background())) })
le, err := NewLogsExporter(context.Background(), tt.ToExporterCreateSettings(), &fakeLogsExporterConfig, newPushLogsData(want))
require.Nil(t, err)
require.NotNil(t, le)
checkRecordedMetricsForLogsExporter(t, tt, le, want)
}
func TestLogsExporter_WithRecordEnqueueFailedMetrics(t *testing.T) {
tt, err := obsreporttest.SetupTelemetryWithID(fakeLogsExporterName)
require.NoError(t, err)
t.Cleanup(func() { require.NoError(t, tt.Shutdown(context.Background())) })
rCfg := NewDefaultRetrySettings()
qCfg := NewDefaultQueueSettings()
qCfg.NumConsumers = 1
qCfg.QueueSize = 2
wantErr := errors.New("some-error")
te, err := NewLogsExporter(context.Background(), tt.ToExporterCreateSettings(), &fakeLogsExporterConfig, newPushLogsData(wantErr), WithRetry(rCfg), WithQueue(qCfg))
require.NoError(t, err)
require.NotNil(t, te)
md := testdata.GenerateLogs(3)
const numBatches = 7
for i := 0; i < numBatches; i++ {
// errors are checked in the checkExporterEnqueueFailedLogsStats function below.
_ = te.ConsumeLogs(context.Background(), md)
}
// 2 batched must be in queue, and 5 batches (15 log records) rejected due to queue overflow
checkExporterEnqueueFailedLogsStats(t, globalInstruments, fakeLogsExporterName, int64(15))
}
func TestLogsExporter_WithSpan(t *testing.T) {
set := componenttest.NewNopExporterCreateSettings()
sr := new(tracetest.SpanRecorder)
set.TracerProvider = sdktrace.NewTracerProvider(sdktrace.WithSpanProcessor(sr))
otel.SetTracerProvider(set.TracerProvider)
defer otel.SetTracerProvider(trace.NewNoopTracerProvider())
le, err := NewLogsExporter(context.Background(), set, &fakeLogsExporterConfig, newPushLogsData(nil))
require.Nil(t, err)
require.NotNil(t, le)
checkWrapSpanForLogsExporter(t, sr, set.TracerProvider.Tracer("test"), le, nil, 1)
}
func TestLogsExporter_WithSpan_ReturnError(t *testing.T) {
set := componenttest.NewNopExporterCreateSettings()
sr := new(tracetest.SpanRecorder)
set.TracerProvider = sdktrace.NewTracerProvider(sdktrace.WithSpanProcessor(sr))
otel.SetTracerProvider(set.TracerProvider)
defer otel.SetTracerProvider(trace.NewNoopTracerProvider())
want := errors.New("my_error")
le, err := NewLogsExporter(context.Background(), set, &fakeLogsExporterConfig, newPushLogsData(want))
require.Nil(t, err)
require.NotNil(t, le)
checkWrapSpanForLogsExporter(t, sr, set.TracerProvider.Tracer("test"), le, want, 1)
}
func TestLogsExporter_WithShutdown(t *testing.T) {
shutdownCalled := false
shutdown := func(context.Context) error { shutdownCalled = true; return nil }
le, err := NewLogsExporter(context.Background(), componenttest.NewNopExporterCreateSettings(), &fakeLogsExporterConfig, newPushLogsData(nil), WithShutdown(shutdown))
assert.NotNil(t, le)
assert.NoError(t, err)
assert.Nil(t, le.Shutdown(context.Background()))
assert.True(t, shutdownCalled)
}
func TestLogsExporter_WithShutdown_ReturnError(t *testing.T) {
want := errors.New("my_error")
shutdownErr := func(context.Context) error { return want }
le, err := NewLogsExporter(context.Background(), componenttest.NewNopExporterCreateSettings(), &fakeLogsExporterConfig, newPushLogsData(nil), WithShutdown(shutdownErr))
assert.NotNil(t, le)
assert.NoError(t, err)
assert.Equal(t, le.Shutdown(context.Background()), want)
}
func newPushLogsData(retError error) consumer.ConsumeLogsFunc {
return func(ctx context.Context, td plog.Logs) error {
return retError
}
}
func checkRecordedMetricsForLogsExporter(t *testing.T, tt obsreporttest.TestTelemetry, le exporter.Logs, wantError error) {
ld := testdata.GenerateLogs(2)
const numBatches = 7
for i := 0; i < numBatches; i++ {
require.Equal(t, wantError, le.ConsumeLogs(context.Background(), ld))
}
// TODO: When the new metrics correctly count partial dropped fix this.
if wantError != nil {
require.NoError(t, tt.CheckExporterLogs(0, int64(numBatches*ld.LogRecordCount())))
} else {
require.NoError(t, tt.CheckExporterLogs(int64(numBatches*ld.LogRecordCount()), 0))
}
}
func generateLogsTraffic(t *testing.T, tracer trace.Tracer, le exporter.Logs, numRequests int, wantError error) {
ld := testdata.GenerateLogs(1)
ctx, span := tracer.Start(context.Background(), fakeLogsParentSpanName)
defer span.End()
for i := 0; i < numRequests; i++ {
require.Equal(t, wantError, le.ConsumeLogs(ctx, ld))
}
}
func checkWrapSpanForLogsExporter(t *testing.T, sr *tracetest.SpanRecorder, tracer trace.Tracer, le exporter.Logs, wantError error, numLogRecords int64) {
const numRequests = 5
generateLogsTraffic(t, tracer, le, numRequests, wantError)
// Inspection time!
gotSpanData := sr.Ended()
require.Equal(t, numRequests+1, len(gotSpanData))
parentSpan := gotSpanData[numRequests]
require.Equalf(t, fakeLogsParentSpanName, parentSpan.Name(), "SpanData %v", parentSpan)
for _, sd := range gotSpanData[:numRequests] {
require.Equalf(t, parentSpan.SpanContext(), sd.Parent(), "Exporter span not a child\nSpanData %v", sd)
checkStatus(t, sd, wantError)
sentLogRecords := numLogRecords
var failedToSendLogRecords int64
if wantError != nil {
sentLogRecords = 0
failedToSendLogRecords = numLogRecords
}
require.Containsf(t, sd.Attributes(), attribute.KeyValue{Key: obsmetrics.SentLogRecordsKey, Value: attribute.Int64Value(sentLogRecords)}, "SpanData %v", sd)
require.Containsf(t, sd.Attributes(), attribute.KeyValue{Key: obsmetrics.FailedToSendLogRecordsKey, Value: attribute.Int64Value(failedToSendLogRecords)}, "SpanData %v", sd)
}
}