kibana-123/src/core_plugins/elasticsearch/lib/create_agent.js

Kibana is an open source (Apache Licensed), browser based analytics and search dashboard for Elasticsearch. Kibana is a snap to setup and start using. Kibana strives to be easy to get started with, while also being flexible and powerful, just like Elastic

import url from 'url';
import { get, size } from 'lodash';
const readFile = (file) => require('fs').readFileSync(file, 'utf8');
import http from 'http';
import https from 'https';

import { parseConfig } from './parse_config';

export default function (config) {
  const target = url.parse(get(config, 'url'));

  if (!/^https/.test(target.protocol)) return new http.Agent();

  return new https.Agent(parseConfig(config).ssl);
}