41 lines
1.1 KiB
JavaScript
41 lines
1.1 KiB
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({
|
|
plugins: {
|
|
dns: {
|
|
enabled: true,
|
|
path: '@opentelemetry/plugin-dns',
|
|
// Avoid dns lookup loop with http zipkin calls
|
|
ignoreHostnames: ['localhost'],
|
|
},
|
|
},
|
|
});
|
|
|
|
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('dns-example');
|
|
};
|