Book Image

Mastering Drupal 8

By : Sean Montague, Chaz Chumley, William Hurley
Book Image

Mastering Drupal 8

By: Sean Montague, Chaz Chumley, William Hurley

Overview of this book

Drupal is an open source content management system trusted by governments and organizations around the globe to run their websites. It brings with it extensive content authoring tools, reliable performance, and a proven track record of security. The community of more than 1,000,000 developers, designers, editors, and others have developed and maintained a wealth of modules, themes, and other add-ons to help you build a dynamic web experience. Drupal 8 is the latest release of the Drupal built on the Symfony2 framework. This is the largest change to the Drupal project in its history. The entire API of Drupal has been rebuilt using Symfony and everything from the administrative UI to themes to custom module development has been affected. This book will cover everything you need to plan and build a complete website using Drupal 8. It will provide a clear and concise walkthrough of the more than 200 new features and improvements introduced in Drupal core. In this book, you will learn advanced site building techniques, create and modify themes using Twig, create custom modules using the new Drupal API, explore the new REST and Multilingual functionality, import, and export Configuration, and learn how to migrate from earlier versions of Drupal.
Table of Contents (25 chapters)
Title Page
Credits
About the Author
Acknowledgments
About the Author
About the Reviewer
Customer Feedback
www.PacktPub.com
Preface

Using Drupal 8's Migrate to handle migrations


Once the Migrate modules are installed, you can navigate to Configuration and then Drupal Upgrade to begin the migration process:

Starting Drupal migration process

The first step is to select the source for the migration. Enter the credentials for a database that the current site has access to and optionally provide the path to files that are part of the source site. After this has been entered, click the button labeled Review upgrade:

Migration source form

The Migrate module will scan the modules that were installed in the source site and look for \Drupal\migrate\ProcessPluginBase plugins that are valid for that module. First, the modules from the migration source that do not have a matching path will be listed:

Missing upgrade paths

Next, each module that has an upgrade path is listed. Verify that the list matches your expectation and then click the button labeled Perform upgrade:

Available upgrade paths

After the upgrade process completes, you will...