text: // Copyright 2018, Google, LLC.
  // Licensed under the Apache License, Version 2.0 (the "License");
  // you may not use this file except in compliance with the License.
  // You may obtain a copy of the License at
  //
  //    http://www.apache.org/licenses/LICENSE-2.0
  //
  // Unless required by applicable law or agreed to in writing, software
  // distributed under the License is distributed on an "AS IS" BASIS,
  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  // See the License for the specific language governing permissions and
  // limitations under the License.
  
  'use strict';
  
  /**
   * Import the GoogleAuth library, and create a new GoogleAuth client.
   */
  const { GoogleAuth } = require('google-auth-library');
  
  /**
   * Acquire a client, and make a request to an API that's enabled by default.
   */
  async function main() {
    const auth = new GoogleAuth({
      keyFilename: 'jwt.keys.json',
      scopes: 'https://www.googleapis.com/auth/cloud-platform'
    });
    const client = await auth.getClient();
    const projectId = await auth.getDefaultProjectId();
    const url = `https://www.googleapis.com/dns/v1/projects/${projectId}`;
    const res = await client.request({ url });
    console.log(res.data);
  }
  
  main().catch(console.error);
  