forked from open-telemetry/opentelemetry-js
/
OTLPTraceExporter.ts
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/
OTLPTraceExporter.ts
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/*
* 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
*
* https://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.
*/
import { ReadableSpan, SpanExporter } from '@opentelemetry/sdk-trace-base';
import { OTLPExporterNodeBase } from './OTLPExporterNodeBase';
import {
otlpTypes,
toOTLPExportTraceServiceRequest,
} from '@opentelemetry/exporter-otlp-http';
import { OTLPExporterConfigNode, ServiceClientType } from './types';
import { baggageUtils, getEnv } from '@opentelemetry/core';
import { validateAndNormalizeUrl } from './util';
import { Metadata } from '@grpc/grpc-js';
const DEFAULT_COLLECTOR_URL = 'localhost:4317';
/**
* OTLP Trace Exporter for Node
*/
export class OTLPTraceExporter
extends OTLPExporterNodeBase<
ReadableSpan,
otlpTypes.opentelemetryProto.collector.trace.v1.ExportTraceServiceRequest
>
implements SpanExporter {
constructor(config: OTLPExporterConfigNode = {}) {
super(config);
const headers = baggageUtils.parseKeyPairsIntoRecord(getEnv().OTEL_EXPORTER_OTLP_TRACES_HEADERS);
this.metadata ||= new Metadata();
for (const [k, v] of Object.entries(headers)) {
this.metadata.set(k, v)
}
}
convert(
spans: ReadableSpan[]
): otlpTypes.opentelemetryProto.collector.trace.v1.ExportTraceServiceRequest {
return toOTLPExportTraceServiceRequest(spans, this);
}
getDefaultUrl(config: OTLPExporterConfigNode) {
return typeof config.url === 'string'
? validateAndNormalizeUrl(config.url)
: getEnv().OTEL_EXPORTER_OTLP_TRACES_ENDPOINT.length > 0
? validateAndNormalizeUrl(getEnv().OTEL_EXPORTER_OTLP_TRACES_ENDPOINT)
: getEnv().OTEL_EXPORTER_OTLP_ENDPOINT.length > 0
? validateAndNormalizeUrl(getEnv().OTEL_EXPORTER_OTLP_ENDPOINT)
: DEFAULT_COLLECTOR_URL;
}
getServiceClientType() {
return ServiceClientType.SPANS;
}
getServiceProtoPath(): string {
return 'opentelemetry/proto/collector/trace/v1/trace_service.proto';
}
}