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Signed-off-by: Yuri Shkuro <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,108 @@ | ||
| // Copyright (c) 2022 The Jaeger 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 handler | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
|
|
||
| otlp2jaeger "github.com/open-telemetry/opentelemetry-collector-contrib/pkg/translator/jaeger" | ||
| "go.opentelemetry.io/collector/component" | ||
| "go.opentelemetry.io/collector/config" | ||
| "go.opentelemetry.io/collector/consumer" | ||
| "go.opentelemetry.io/collector/pdata/ptrace" | ||
| "go.opentelemetry.io/collector/receiver/otlpreceiver" | ||
| "go.opentelemetry.io/otel" | ||
| "go.uber.org/zap" | ||
|
|
||
| "github.com/jaegertracing/jaeger/cmd/collector/app/processor" | ||
| "github.com/jaegertracing/jaeger/model" | ||
| "github.com/jaegertracing/jaeger/proto-gen/api_v2" | ||
| ) | ||
|
|
||
| // A delegation function to assist in tests, because ProtoFromTraces never returns errors despite its API. | ||
| var protoFromTraces func(td ptrace.Traces) ([]*model.Batch, error) = otlp2jaeger.ProtoFromTraces | ||
|
|
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| var _ component.Host = (*otelHost)(nil) // API check | ||
|
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| type OtelReceiverOptions struct { | ||
| GRPCAddress string | ||
| HTTPAddress string | ||
| } | ||
|
|
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| // StartOtelReceiver starts OpenTelemetry OTLP receiver listening on gRPC and HTTP ports. | ||
| func StartOtelReceiver(logger *zap.Logger, spanProcessor processor.SpanProcessor) (component.TracesReceiver, error) { | ||
| otlpFactory := otlpreceiver.NewFactory() | ||
| otlpReceiverConfig := otlpFactory.CreateDefaultConfig() | ||
| otlpReceiverSettings := component.ReceiverCreateSettings{ | ||
| TelemetrySettings: component.TelemetrySettings{ | ||
| Logger: logger, | ||
| TracerProvider: otel.GetTracerProvider(), // TODO we may always want no-op here, not the global default | ||
| }, | ||
| } | ||
| // TODO re-implement the logic of NewGRPCHandler, it's fairly trivial | ||
| jaegerBatchHandler := NewGRPCHandler(logger, spanProcessor) | ||
| nextConsumer, err := consumer.NewTraces(consumer.ConsumeTracesFunc(func(ctx context.Context, ld ptrace.Traces) error { | ||
| batches, err := protoFromTraces(ld) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| for _, batch := range batches { | ||
| // TODO generate metrics | ||
| _, err := jaegerBatchHandler.PostSpans(ctx, &api_v2.PostSpansRequest{ | ||
| Batch: *batch, | ||
| }) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| } | ||
| return nil | ||
| })) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("could not create the OTLP consumer: %w", err) | ||
| } | ||
| otlpReceiver, err := otlpFactory.CreateTracesReceiver( | ||
| context.Background(), | ||
| otlpReceiverSettings, | ||
| otlpReceiverConfig, | ||
| nextConsumer, | ||
| ) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("could not create the OTLP receiver: %w", err) | ||
| } | ||
| err = otlpReceiver.Start(context.Background(), &otelHost{logger: logger}) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("could not start the OTLP receiver: %w", err) | ||
| } | ||
| return otlpReceiver, nil | ||
| } | ||
|
|
||
| // otelHost is a mostly no-op implementation of OTEL component.Host | ||
| type otelHost struct { | ||
| logger *zap.Logger | ||
| } | ||
|
|
||
| func (h *otelHost) ReportFatalError(err error) { | ||
| h.logger.Fatal("OTLP receiver error", zap.Error(err)) | ||
| } | ||
| func (*otelHost) GetFactory(kind component.Kind, componentType config.Type) component.Factory { | ||
| return nil | ||
| } | ||
| func (*otelHost) GetExtensions() map[config.ComponentID]component.Extension { | ||
| return nil | ||
| } | ||
| func (*otelHost) GetExporters() map[config.DataType]map[config.ComponentID]component.Exporter { | ||
| return nil | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,32 @@ | ||
| // Copyright (c) 2022 The Jaeger 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 handler | ||
|
|
||
| import ( | ||
| "context" | ||
| "testing" | ||
|
|
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| "github.com/jaegertracing/jaeger/pkg/testutils" | ||
| "github.com/stretchr/testify/require" | ||
| ) | ||
|
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| func TestOtlpReceiver(t *testing.T) { | ||
| spanProcessor := &mockSpanProcessor{} | ||
| logger, _ := testutils.NewLogger() | ||
| rec, err := StartOtelReceiver(logger, spanProcessor) | ||
| require.NoError(t, err) | ||
| err = rec.Shutdown(context.Background()) | ||
| require.NoError(t, err) | ||
| } |
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