37 lines
1.4 KiB
JavaScript
37 lines
1.4 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 { SEMRESATTRS_SERVICE_NAME } = 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 { HttpInstrumentation } = require('@opentelemetry/instrumentation-http');
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const EXPORTER = process.env.EXPORTER || '';
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module.exports = (serviceName) => {
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const useZipkin = EXPORTER.toLowerCase().startsWith('z');
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const exporter = useZipkin ? new ZipkinExporter() : new JaegerExporter();
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const provider = new NodeTracerProvider({
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resource: new Resource({
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[SEMRESATTRS_SERVICE_NAME]: serviceName,
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}),
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spanProcessors: [new SimpleSpanProcessor(exporter)]
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});
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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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// // when boostraping with lerna for testing purposes
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instrumentations: [
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new HttpInstrumentation(),
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],
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});
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return opentelemetry.trace.getTracer('http-example');
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};
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