44 lines
1.1 KiB
JavaScript
44 lines
1.1 KiB
JavaScript
'use strict';
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const opentelemetry = require('@opentelemetry/api');
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const { NodeTracerProvider } = require('@opentelemetry/node');
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const { SimpleSpanProcessor } = require('@opentelemetry/tracing');
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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 EXPORTER = process.env.EXPORTER || '';
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module.exports = (serviceName) => {
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const provider = new NodeTracerProvider({
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plugins: {
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express: {
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enabled: true,
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path: '@opentelemetry/plugin-express',
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},
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http: {
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enabled: true,
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path: '@opentelemetry/plugin-http',
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},
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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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serviceName,
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});
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} else {
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exporter = new JaegerExporter({
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serviceName,
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});
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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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opentelemetry.trace.initGlobalTracerProvider(provider);
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return opentelemetry.trace.getTracer('express-example');
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};
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