42 lines
1.3 KiB
JavaScript
42 lines
1.3 KiB
JavaScript
'use strict';
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const opentelemetry = require('@opentelemetry/api');
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const { registerInstrumentations } = require('@opentelemetry/instrumentation');
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const { NodeTracerProvider } = require('@opentelemetry/sdk-trace-node');
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const { Resource } = require('@opentelemetry/resources');
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const { SemanticResourceAttributes } = require('@opentelemetry/semantic-conventions');
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const { SimpleSpanProcessor } = require('@opentelemetry/sdk-trace-base');
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const { JaegerExporter } = require('@opentelemetry/exporter-jaeger');
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const { ZipkinExporter } = require('@opentelemetry/exporter-zipkin');
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const { GrpcInstrumentation } = require('@opentelemetry/instrumentation-grpc');
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const EXPORTER = process.env.EXPORTER || '';
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module.exports = (serviceName) => {
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const provider = new NodeTracerProvider({
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resource: new Resource({
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[SemanticResourceAttributes.SERVICE_NAME]: serviceName,
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}),
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});
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let exporter;
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if (EXPORTER.toLowerCase().startsWith('z')) {
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exporter = new ZipkinExporter();
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} else {
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exporter = new JaegerExporter();
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}
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provider.addSpanProcessor(new SimpleSpanProcessor(exporter));
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// Initialize the OpenTelemetry APIs to use the NodeTracerProvider bindings
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provider.register();
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registerInstrumentations({
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instrumentations: [
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new GrpcInstrumentation(),
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],
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});
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return opentelemetry.trace.getTracer('grpc-js-example');
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};
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