opentelemetry-js/examples/http/tracer.js

32 lines
935 B
JavaScript

'use strict';
const opentelemetry = require('@opentelemetry/api');
const { NodeTracerProvider } = require('@opentelemetry/node');
const { SimpleSpanProcessor } = require('@opentelemetry/tracing');
const { JaegerExporter } = require('@opentelemetry/exporter-jaeger');
const { ZipkinExporter } = require('@opentelemetry/exporter-zipkin');
const EXPORTER = process.env.EXPORTER || '';
module.exports = (serviceName) => {
const provider = new NodeTracerProvider();
let exporter;
if (EXPORTER.toLowerCase().startsWith('z')) {
exporter = new ZipkinExporter({
serviceName,
});
} else {
exporter = new JaegerExporter({
serviceName,
});
}
provider.addSpanProcessor(new SimpleSpanProcessor(exporter));
// Initialize the OpenTelemetry APIs to use the BasicTracerProvider bindings
opentelemetry.trace.initGlobalTracerProvider(provider);
return opentelemetry.trace.getTracer('http-example');
};