CFN Custom Resource - GitHub CodeDeploy webhook

index.js

const response = require('cfn-response');
const http = require('https');
const url = require('url');
exports.handler = function(event, context) {
  var props = event.ResourceProperties;
  var options = {
    hostname: 'api.github.com',
    headers: {
      'Accept': 'application/vnd.github.v3+json',
      'Authorization': `token ${props.GitHubToken}`,
      'User-Agent': `AWS Lambda - ${event.LogicalResourceId}`
    }
  };
  if (event.RequestType === 'Create') {
    var opt = Object.assign({
      path: `/repos/${props.GitHubRepo}/hooks`,
      method: 'POST'
    }, options);
    var hook = {
      name: 'awscodedeploy',
      events: ['deployment'],
      config: {
        application_name: props.ApplicationName,
        deployment_group: props.DeploymentGroup,
        aws_access_key_id: props.DeployerAccessKeyId,
        aws_secret_access_key: props.DeployerSecretAccessKey,
        aws_region: 'us-east-1'
      }
    };
    var req = http.request(opt, (res) => {
      var body = '';
      res.on('data', (chunk) => body += chunk.toString());
      res.on('end', () => {
        console.log(`GitHub Status: ${res.statusCode} ${res.statusMessage} ; Body:\n ${body}`);
        if (res.statusCode === 201) {
          response.send(event, context, response.SUCCESS, { Value: body }, JSON.parse(body).url);
        } else {
          response.send(event, context, response.FAILED);
        };
      });
    });
    req.setTimeout(500);
    req.write(JSON.stringify(hook));
    req.end();
  } else if (event.RequestType === 'Delete') {
    console.log(`CFN Delete:\n ${JSON.stringify(event)}`);
    var opt = Object.assign({
      path: url.parse(event.PhysicalResourceId).pathname,
      method: 'DELETE'
    }, options);
    var req = http.request(opt, (res) => {
      var body = '';
      res.on('data', (chunk) => body += chunk.toString());
      res.on('end', () => {
        console.log(`GitHub Status: ${res.statusCode} ${res.statusMessage} ; Body:\n ${body}`);
        if (res.statusCode === 204) {
          response.send(event, context, response.SUCCESS);
        } else {
          response.send(event, context, response.FAILED);
        };
      });
    });
    req.setTimeout(500);
    req.end();
  } else {
    /* ¯\_(ツ)_/¯ */
    console.log(`CFN Request:\n ${JSON.stringify(event)}`);
    response.send(event, context, response.SUCCESS);
  };
};