client.js

'use strict';

const tracer = require('./tracer')('postgres-client-service');
// eslint-disable-next-line import/order
const http = require('http');

function makeRequest() {
  const span = tracer.startSpan('makeRequest');
  const randomId = Math.floor(Math.random() * 10);
  tracer.withSpan(span, () => {
    console.log('Client traceId ', span.context().traceId);
    http.get({
      host: 'localhost',
      port: 3000,
      path: `/insert?id=${randomId}&text=randomstring`,
    });

    http.get({
      host: 'localhost',
      port: 3000,
      path: `/get?id=${randomId}`,
    });
  });

  // The process must live for at least the interval past any traces that
  // must be exported, or some risk being lost if they are recorded after the
  // last export.
  console.log('Sleeping 5 seconds before shutdown to ensure all records are flushed.');
  setTimeout(() => { console.log('Completed.'); }, 5000);
}

makeRequest();