opentelemetry-js/examples/opentracing-shim/shim.js

34 lines
1.1 KiB
JavaScript

'use strict';
const { ATTR_SERVICE_NAME } = require('@opentelemetry/semantic-conventions');
const { resourceFromAttributes } = require('@opentelemetry/resources');
const { NodeTracerProvider } = require('@opentelemetry/sdk-trace-node');
const { SimpleSpanProcessor } = require('@opentelemetry/sdk-trace-base');
const { JaegerExporter } = require('@opentelemetry/exporter-jaeger');
const { ZipkinExporter } = require('@opentelemetry/exporter-zipkin');
const { TracerShim } = require('@opentelemetry/shim-opentracing');
function shim(serviceName) {
const provider = new NodeTracerProvider({
resource: resourceFromAttributes({ [ATTR_SERVICE_NAME]: serviceName }),
spanProcessors: [new SimpleSpanProcessor(getExporter(serviceName))],
});
// Initialize the OpenTelemetry APIs to use the NodeTracerProvider bindings
provider.register();
return new TracerShim(provider.getTracer('opentracing-shim'));
}
function getExporter() {
const type = process.env.EXPORTER.toLowerCase() || 'jaeger';
if (type.startsWith('z')) {
return new ZipkinExporter();
}
return new JaegerExporter();
}
exports.shim = shim;