express-opentracing
v0.1.1
Published
opentracing middleware for express-js
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17,672
Readme
express-opentracing
Middleware for express to enable opentracing. Supports any opentracing tracer compatible with version 0.11.0 of the opentracing javascript library.
Install
npm install --save express-opentracing
Usage
E.g., using LightStep as your tracer:
import * as express from "express";
import middleware from "express-opentracing";
import * as LightStep from "lightstep-tracer";
const lsTracer = LightStep.tracer({
access_token : 'foo',
component_name : 'bar',
});
const app = express();
app.use(middleware({tracer: lsTracer}));
Options
The middleware
function takes in an options object as its only argument.
const options = {
tracer: [Tracer], // Defaults to the opentracing no-op tracer.
}