briareus/lib/service/actions/remove-acm-certificate-from-alb-listener.js

Briareus assists with Feature Branch deploys to ECS

'use strict'

const AWS = require('aws-sdk');
const async = require('async');
const _ = require('lodash');

const config = require('../config');

let action = module.exports = function (pipeline, payload, cb) {
  const elbv2 = new AWS.ELBv2();

  // Return if we have no ACM Certificate
  if (!payload.assets.acmCertificate) return cb(null, []);

  const attemptLimit = 10;
  let attempts = 0;

  function waitUntilCertificateIsDetached(cb) {
    elbv2.describeListenerCertificates({ ListenerArn: payload.alb.listenerArn, PageSize: 100 }, function (err, data) {
      if (err) return cb(err);
      if (_.some(data.Certificates, ['CertificateArn', payload.assets.acmCertificate.arn])) {
        if (attempts >= attemptLimit) return cb(new Error('Timeout occured waiting for the ACM Certificate to detatch from the Load Balancer'))
        setTimeout(() => waitUntilCertificateIsDetached(cb), config.get('awsApiPollingTimeout'));
        return;
      }

      cb();
    });
  }

  const params = {
    Certificates: [{
      CertificateArn: payload.assets.acmCertificate.arn,
    }],
    ListenerArn: payload.alb.listenerArn
  };

  async.series([
    (next) => elbv2.removeListenerCertificates(params, next),
    (next) => waitUntilCertificateIsDetached(next)
  ], (err) => {
    if (err) return cb(err);
    cb(null, []);
  });
};

action.waiting = 'Removing ACM Certifcate from ALB Listener';
action.done = 'ACM Certifcate has been removed from ALB Listener';