31 Days of Drupal Migrations

A tutorial blog post by Mauricio Dinarte, every day of August 2019

One epic month of blog post tutorials about migrating into Drupal 8 and 9 by Mauricio who also is the driving force behind Agaric's migration trainings and Agaric's upgrade services.

One man. One month. Many migrations.

'19 Aug 01

Drupal migrations: Understanding the ETL process

Seven fresh dough balls and a rolling pin.

'19 Aug 02

Writing your first Drupal migration

List of migrate plugins

'19 Aug 03

Using process plugins for data transformation in Drupal migrations

Syntax for process plugin definition and chaining

'19 Aug 04

Migrating data into Drupal subfields

Examples of migrating into subfields.

'19 Aug 05

Using constants and pseudofields as data placeholders in the Drupal migration process pipeline

Syntax for constants and pseudofields in the Drupal process migration pipeline.

'19 Aug 06

Tips for writing Drupal migrations and understanding their workflow

List of drush commands used in drupal migration workflows

'19 Aug 07

Migrating files and images into Drupal

Code snippet for file entity migration

'19 Aug 08

Introduction to migration dependencies in Drupal

Snippet of migration dependency definition.

'19 Aug 09

Migrating taxonomy terms and multivalue fields in Drupal

Syntax for multivalue field migration.

'19 Aug 10

Migrating users into Drupal - Part 1

Example field mapping for user migration - part 1.

'19 Aug 11

Migrating users into Drupal - Part 2

Example field mapping for user migration - part 2.

'19 Aug 12

Migrating dates into Drupal

Example syntax for date migrations.

'19 Aug 13

Migrating addresses into Drupal

Example address field process mapping.

'19 Aug 14

Introduction to paragraphs migrations in Drupal

Example mapping for paragraph reference field.

'19 Aug 15

Migrating CSV files into Drupal

Snippet of CSV file migration YAML.

'19 Aug 16

Migrating JSON files into Drupal

Example configuration of JSON source migration

'19 Aug 17

Migrating XML files into Drupal

Example configuration of XML source migration

'19 Aug 18

Adding HTTP request headers and authentication to remote JSON and XML in Drupal migrations

Example config to add HTTP headers and authentication

'19 Aug 19

Migrating Google Sheets into Drupal

Example configuration for Google Sheets migration

'19 Aug 20

Migrating Microsoft Excel and LibreOffice Calc files into Drupal

Example configuration for Microsoft Excel and LibreOffice Calc migration.

'19 Aug 21

Defining Drupal migrations as configuration entities with the Migrate Plus module

Example of migration defined as configuration entity.

'19 Aug 22

Workflows and benefits of managing Drupal migrations as configuration entities

Example workflow for managing migration configuration entities

'19 Aug 23

Using migration groups to share configuration among Drupal migrations

Example definition of a migration group.

'19 Aug 24

What is the difference between migration tags and migration groups in Drupal?

Example migration group definition containing migration tags.

'19 Aug 25

Executing Drupal migrations from the user interface with Migrate Tools

Single item configuration import interface.

'19 Aug 26

Understanding the entity_lookup and entity_generate process plugins from Migrate Tools

sample entity look up and entity generate plugins YML config

'19 Aug 27

How to debug Drupal migrations - Part 1

Example configuration for log process plugin.

'19 Aug 28

How to debug Drupal migrations - Part 2

Example configuration for debug process plugin.

'19 Aug 29

How to configure XDebug, PHPStorm, and DrupalVM to debug Drupal migrations via Drush commands and the browser

Incoming drush connection

'19 Aug 30

List of migration related Drupal modules

List of modules

'19 Aug 31

Introduction to Drupal 8 upgrades

Page from Agaric.coop

Don't hesitate to get help with your migrations!