- #Drupal 8 to drupal 9 migration how to#
- #Drupal 8 to drupal 9 migration update#
- #Drupal 8 to drupal 9 migration full#
#Drupal 8 to drupal 9 migration full#
You can look at the full migration file in the code samples repo. The remaining fields are directly mapped from Drupal 7 values. Then, for the uri, we use file_copy to copy from this source_full_path to the destination URI. Then, we'll use the concat plugin to create the source_full_path based on the migrate_files_path constant and the replaced_filepath. The process section of the migrate file looks like this: process:įirst, we create a temporary replaced_filepath to remove the path prefix. This will be used later to copy the files to the right location. We're setting migrate_files_path to be the base path where we put the backup files. Migrate_files_path: 'sites/default/files/migratefiles' The source section of the migrate plugin looks like this: source: To speed things up, we're placing the files backup into a migratefiles folder in sites/default/files and we'll copy the files from there to the right folder during the migration. The first migration to write is the file migration.
#Drupal 8 to drupal 9 migration update#
You can still make them configuration entities as part of the migrate_plus module, but I personally prefer to follow the core recommendation because it's easier to develop (you can make an edit and just rebuild cache to update it). Since Drupal 8.1.x, migrations are plugins that should be stored in a migrations folder inside any module. Per our requirements, we need to write three different migrations: one for files, one for media and one for articles. Next thing to do is to write the actual migrations. To do so, you need to define a new database connection in your settings.php file like this: $databases = array(Īnd then you can import the database dump into this new database connection using your preferred method. Next, you need to load the Drupal 7 database into your Drupal 8 installation. Key: migrate_d7 Define a new database connection The file’s contents should be as follows: id: media To do so, we’ll create a fairly simple configuration file so that the group gets created when the module is installed. To group the migrations, we also need to create a migration group. We then need to add the following modules as dependencies in the module declaration: In this example, we're naming it migrate_example_media. We first need to create a module for our migrations. Setting up the Migration Create the migration module Migrate articles to Drupal 8 and add the related media items.Create media items for each migrated file.Migrate files from articles into Drupal 8 files.We have received a database dump and files backup from our imaginary client. This tutorial is also valid for Drupal 9 migrations.You need to have Drush installed to run migrations as described in this article.You need to have migrate_tools and migrate_plus modules to follow this tutorial.You can follow the sample code for this tutorial: Migrate example: Media module on GitHub.If you are new to migrations in Drupal 8, you may want to read about migrating basic data to Drupal 8 first.NEW: Migrating Media Items and Their Relationships (you are here!).NEW: Migrating Hierarchical Taxonomy Terms.Part 2: Migrating Taxonomy Terms and Term References.
#Drupal 8 to drupal 9 migration how to#
In this blog post, we'll go through a migration example where you'll learn how to migrate media items and their relationships in Drupal. If you're migrating from Drupal 7 to Drupal 8 or Drupal 9, this is something you need to take into consideration. Since Drupal 8.5, the Media module in core has been a reality and the recommended way to handle media content in Drupal.
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