Deployment scripts

deploy.js

const util = require("util");
const exec = util.promisify(require("child_process").exec);

function getImageId(str) {
  return str.match(/^(Successfully built)\s(.*)$/gm)[0].replace('Successfully built ', '')
}

function getContainerId(str) {
  return (/^([^\s]*).*group17$/gm).exec(str)[1];
}

async function run(command) {
  let resp;
  let error;
  const { stdout, stderr } = await exec(command.replace('\n', ''));
  if (stderr) {
    console.error(stderr);
  }
  return stdout;
}

const containerName = 'group17';

module.exports = async () => {
  const imageId = await run(`
    cd ./group-17 &&
    git pull origin master &&
    docker build -t group17-docker .
  `).then(getImageId);

  const containerId = await run('docker ps').then(getContainerId);
  await run(`docker stop ${containerId}`)
    .then(() => run(`docker rm ${containerId}`));

  const runResp = await run(`
    docker run --name ${containerName} -d -p 3030:8080 -e BASE_URL='http://group17.augustinas.me' ${imageId}
  `);
}

webhook.js

var http = require('http')
var createHandler = require('github-webhook-handler')
var handler = createHandler({ path: '/', secret: 'my-secret' })
const deploy = require('./deploy');

let deploying = false;

http.createServer(function (req, res) {
  handler(req, res, function (err) {
    res.statusCode = 404
    res.end('no such location')
  })
}).listen(3001)

handler.on('error', function (err) {
  console.error('Error:', err.message)
})

handler.on('push', async (event) => {
  if (event.payload.ref.includes('master') && !deploying) {
	console.log('Pushed to master will redeploy');
	deploying = true;
  	const time = Date.now();
	await deploy();
	deploying = false;
	console.log(`Deployed, took ${Date.now() - time}ms`);
  }
})