62 lines
1.7 KiB
JavaScript
62 lines
1.7 KiB
JavaScript
'use strict';
|
|
|
|
const fs = require('fs');
|
|
const opentelemetry = require('@opentelemetry/core');
|
|
const config = require('./setup');
|
|
/**
|
|
* The trace instance needs to be initialized first, if you want to enable
|
|
* automatic tracing for built-in plugins (HTTPs in this case).
|
|
*/
|
|
config.setupTracerAndExporters('https-server-service');
|
|
|
|
const https = require('https');
|
|
const tracer = opentelemetry.getTracer();
|
|
|
|
/** Starts a HTTPs server that receives requests on sample server port. */
|
|
function startServer (port) {
|
|
const options = {
|
|
key: fs.readFileSync('./server-key.pem'),
|
|
cert: fs.readFileSync('./server-cert.pem')
|
|
};
|
|
// Creates a server
|
|
const server = https.createServer(options, handleRequest);
|
|
// Starts the server
|
|
server.listen(port, err => {
|
|
if (err) {
|
|
throw err;
|
|
}
|
|
console.log(`Node HTTPs listening on ${port}`);
|
|
});
|
|
}
|
|
|
|
/** A function which handles requests and send response. */
|
|
function handleRequest (request, response) {
|
|
const currentSpan = tracer.getCurrentSpan();
|
|
// display traceid in the terminal
|
|
console.log(`traceid: ${currentSpan.context().traceId}`);
|
|
const span = tracer.startSpan('handleRequest', {
|
|
parent: currentSpan,
|
|
kind: 1, // server
|
|
attributes: { key:'value' }
|
|
});
|
|
// Annotate our span to capture metadata about the operation
|
|
span.addEvent('invoking handleRequest');
|
|
try {
|
|
let body = [];
|
|
request.on('error', err => console.log(err));
|
|
request.on('data', chunk => body.push(chunk));
|
|
request.on('end', () => {
|
|
// deliberately sleeping to mock some action.
|
|
setTimeout(() => {
|
|
span.end();
|
|
response.end('Hello World!');
|
|
}, 2000);
|
|
});
|
|
} catch (err) {
|
|
console.log(err);
|
|
span.end();
|
|
}
|
|
}
|
|
|
|
startServer(443);
|