creevey/lib/server/docker.js

Cross-browser screenshot testing tool for Storybook with fancy UI Runner

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.pullImages = pullImages;
exports.runImage = runImage;
exports.default = _default;

var _cluster = _interopRequireWildcard(require("cluster"));

var _types = require("../types");

var _messages = require("./messages");

var _utils = require("./utils");

var _dockerode = _interopRequireDefault(require("dockerode"));

var _stream = require("stream");

var _ora = _interopRequireDefault(require("ora"));

var _logger = require("./logger");

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

function _getRequireWildcardCache(nodeInterop) { if (typeof WeakMap !== "function") return null; var cacheBabelInterop = new WeakMap(); var cacheNodeInterop = new WeakMap(); return (_getRequireWildcardCache = function (nodeInterop) { return nodeInterop ? cacheNodeInterop : cacheBabelInterop; })(nodeInterop); }

function _interopRequireWildcard(obj, nodeInterop) { if (!nodeInterop && obj && obj.__esModule) { return obj; } if (obj === null || typeof obj !== "object" && typeof obj !== "function") { return { default: obj }; } var cache = _getRequireWildcardCache(nodeInterop); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (key !== "default" && Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj.default = obj; if (cache) { cache.set(obj, newObj); } return newObj; }

const docker = new _dockerode.default();

class DevNull extends _stream.Writable {
  _write(_chunk, _encoding, callback) {
    setImmediate(callback);
  }

}

async function pullImages(images, auth) {
  _logger.logger.info('Pull docker images');

  for (const image of images) {
    await new Promise((resolve, reject) => {
      const spinner = (0, _ora.default)(`${image}: Pull start`).start(); // eslint-disable-next-line @typescript-eslint/no-floating-promises

      docker.pull(image, {
        authconfig: auth
      }, function (pullError, stream) {
        if (pullError) {
          spinner.fail();
          return reject(pullError);
        } // eslint-disable-next-line @typescript-eslint/no-unsafe-call, @typescript-eslint/no-unsafe-member-access


        docker.modem.followProgress(stream, onFinished, onProgress);

        function onFinished(error) {
          if (error) {
            spinner.fail();
            return reject(error);
          }

          spinner.succeed(`${image}: Pull complete`);
          resolve();
        }

        function onProgress(event) {
          if (!/^[a-z0-9]{12}$/i.test(event.id)) return;
          spinner.text = `${image}: [${event.id}] ${event.status} ${event.progress ? `${event.progress}` : ''}`;
        }
      });
    });
  }
}

async function runImage(image, args, options, debug) {
  await Promise.all((await docker.listContainers({
    all: true,
    filters: {
      ancestor: [image]
    }
  })).map(async info => {
    const container = docker.getContainer(info.Id);

    try {
      await container.stop();
    } catch (_) {
      /* noop */
    }

    await container.remove();
  }));
  const hub = docker.run(image, args, debug ? process.stdout : new DevNull(), options, error => {
    if (error) throw error;
  });
  return new Promise(resolve => {
    hub.once('container', container => {
      // eslint-disable-next-line @typescript-eslint/no-misused-promises
      (0, _messages.subscribeOn)('shutdown', async () => {
        try {
          await container.stop();
          await container.remove();
        } catch (error) {
          /* noop */
        }
      });
    });
    hub.once('start', container => void container.inspect().then(info => resolve(info.NetworkSettings.Networks.bridge.IPAddress)));
  });
}

async function _default(config, browser, startContainer) {
  if (_cluster.isMaster) {
    const host = await startContainer();
    let gridUrl = 'http://localhost:4444/wd/hub';
    gridUrl = _utils.isInsideDocker ? gridUrl.replace(_utils.LOCALHOST_REGEXP, host) : gridUrl;

    _cluster.default.on('message', (worker, message) => {
      if (!(0, _types.isDockerMessage)(message)) return;
      const dockerMessage = message;
      if (dockerMessage.type != 'start') return;
      (0, _messages.sendDockerMessage)(worker, {
        type: 'success',
        payload: {
          gridUrl
        }
      });
    });
  } else {
    if (browser && config.browsers[browser].gridUrl) return Promise.resolve();
    return new Promise(resolve => {
      (0, _messages.subscribeOn)('docker', message => {
        if (message.type == 'success') {
          config.gridUrl = message.payload.gridUrl;
          resolve();
        }
      });
      (0, _messages.emitDockerMessage)({
        type: 'start'
      });
    });
  }
}