How To Migrate From Drupal 7 to Drupal 10

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We know that Drupal 7 reaching the end of life on January 5, 2023. It means it will no longer receive security updates or support from the Drupal community. So organizations or individuals that use Drupal 7 should upgrade to the latest version of Drupal 10.

What are Drupal migrations?

In Drupal migrations content, data, and configurations are transferred from one Drupal site to another. Migrations are commonly used when we upgrade from Older versions of Drupal to newer versions of Drupal.

Steps Taken Before Starting The Migration

Here’s a concise list of steps to take before starting a migration

Step 1: Drupal 7 Database

First, back up the database of the Drupal 7 site. This ensures that if any issues are encountered during the migration, you can restore the site and re-run the process.

Using below command

Export: mysqldump -u root -p database name > filename.sql

Step 2: Review Configurations and Modules of Drupal 7

Review the configurations and modules of the Drupal 7 site and create a list of modules and themes available in Drupal 10.

Step 3: Drupal 10 Compatibility

Comprehensive Migration Steps

Here’s a detailed outline of the migration steps:

1. Set Up a New Drupal 10 Site

Create a new Drupal 10 site using Composer.

Using below command
composer create-project drupal/recommended-project my_site_name

Replace my_site_name with the desired name of your new Drupal 10 site.

2. Modules required for migrations

a. Migrate Plus

Migrate Plus provides additional features and extensions for the Drupal migration framework, such as source plugins and process plugins.

b. Migrate Tools

Migrate Tools offers Drush commands and a user interface for managing migrations, running migrations, and viewing migration status.

c. Migrate

The core Migrate module provides the base migration framework and APIs for migrating content and configuration from external sources to Drupal.

d. Migrate Drupal

Migrate Drupal offers migration support for importing content and configuration from previous versions of Drupal (e.g., Drupal 6, 7) into Drupal 10.

e. Migrate Drupal UI

Migrate Drupal UI provides a user interface for configuring and running Drupal-to-Drupal migrations using the Migrate Drupal module

Drupal 7 to 10 Migration

Additional Migration Steps

Here’s a list of additional steps for migration

a. Install Required Modules in Drupal 10

After setting up your Drupal 10 site, install the above-listed modules mentioned in the 2-step using Composer or by downloading and enabling them via the Drupal admin interface.

b. Install Drush Module for Migrations

Install Drush if not already installed, and ensure that you have the Drush Migrate module installed. Drush provides command-line tools for managing Drupal sites, including running migrations.

c. Multilingual Sites

If your Drupal site is multilingual, enable the necessary translation modules from the Extend page, such as Language, Content Translation, and Configuration Translation. Configure these modules as needed for your site’s language requirements.

3. Connecting Drupal 7 database for migrations

1 Update settings.php in Drupal 10

Open your Drupal 10 site’s settings.php file

Add the Drupal 7 database connection details with the migrate key. The structure should resemble the following:

Update settings.php in Drupal 10

2. Generate Migrations using Drush

Run the following Drush command to generate migrations:

drush migrate:upgrade –legacy-db-key migrate –legacy-root=/var/www/yourdrupal10site –configure-only command on drupal.

Configurations for Specific Migration

1. drush migrate

upgrade –legacy-db-key=migrate –legacy-root=https://yourdrupal10site –configure-only.

drush migrate:upgrade

2. Check Migration Status

After running the migrate: upgrade command, check the migration status using drush migrate: status

Check Migration Status

3. Choose Migration Options

Decide whether to migrate all content at once or individual migrations based on site complexity

For complex sites with many customizations, consider choosing individual migrations.

4. Run Migrations

To migrate all content, use:

Migrate all command: drush migrate: import –all

For individual migrations, use:

Individual migration command: drush migrate: import <migration name>

5. Check Migration Status

Run the command drush migrate: status

6. Rollback Migrations

drush migrate rollback –all

Steps For Migration Execution

Here are the steps for migration execution:

Migration Status Checking

check your migration status using the migration status command.

Error Handling

Be prepared to handle errors that occur during the migration process.

Take the help of the Drupal community and Drupal documentation to handle these issues.

Post-Migration Testing

After completing your migrations, thoroughly check the functionality of all site pages. Ensure all links are working and images are displaying correctly on both the site and admin pages. Also, run update.php.

Custom code

Sometimes you need to write code for custom modules and themes that you need in Drupal 9 from Drupal 7. So you need to upgrade your code manually.

Let’s Wrap It Up!

In conclusion, drupal 7 to 10 migration is a process that requires careful planning, execution, and testing. By following the steps explained in the guide above you can successfully migrate your site from drupal 7 to its latest version.

If you require further assistance, don’t hesitate to consult our Drupal Team. We will be more than happy to utilize our expertise to migrate your old Drupal website to the latest versions.

Author

LN Webworks

LN Webworks

Your Drupal Solution Partner

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