[DEPRECATED] OpenTracing tracer implementation for Datadog in JavaScript.
MIT License
OpenTracing tracer implementation for Datadog in JavaScript. It is intended for use both on the server and in the browser.
npm install --save datadog-tracer
Node >= 4 is required.
The library supports CommonJS and AMD loaders and also exports globally as DatadogTracer
.
NOTE: If you want to use binary propagation, make sure to also include the minimal version of protobuf.js before this library.
<script src="//cdn.rawgit.com/rochdev/datadog-tracer-js/0.X.X/dist/datadog-tracer.min.js"></script>
NOTE: Remember to replace the version tag with the exact release your project depends upon.
<script src="node_modules/datadog-tracer/dist/datadog-tracer.min.js"></script>
See the OpenTracing JavaScript documentation for more information.
const express = require('express')
const Tracer = require('datadog-tracer')
const app = express()
const tracer = new Tracer({ service: 'example' })
// handle errors from Datadog agent. omit this if you want to ignore errors
tracer.on('error', e => console.log(e))
app.get('/hello/:name', (req, res) => {
const span = tracer.startSpan('say_hello')
span.addTags({
'resource': '/hello/:name', // required by Datadog
'type': 'web', // required by Datadog
'span.kind': 'server',
'http.method': 'GET',
'http.url': req.url,
'http.status_code': '200'
})
span.finish()
res.send(`Hello, ${req.params.name}!`)
})
app.listen(3000)
See the examples folder for more advanced examples.
See the OpenTracing JavaScript API