Migrate drupal 6 to drupal 8. Абраменко Иван
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The document outlines the steps and considerations for migrating from Drupal 6 to Drupal 8, detailing various versions and modules involved in the migration process. It highlights the use of the 'migrate' module and custom plugins for handling content types, as well as troubleshooting tips for successful migrations. Additionally, it provides specific code examples and recommendations for managing data mapping and the migration workflow.
![fields()
public function fields() {
$fields = $this>baseFields();
$fields['body/format'] = $this>t('Format of body');
$fields['body/value'] = $this>t('Full text of body');
$fields['body/summary'] = $this>t('Summary of body');
$fields['field_related_testimonial'] = $this>t('Related testimonial');
$fields['field_related_resources'] = $this>t('Related Resources');
$fields['field_related_blog'] = $this>t('Related Blog Posts');
$fields['field_taxonomy'] = $this>t('Taxonomy');
return $fields;
}](https://image.slidesharecdn.com/migratedrupal6todrupal8-160811103025/85/Migrate-drupal-6-to-drupal-8-29-320.jpg)
![Single value fields:
$row>setSourceProperty('body_value', $record>body);
Multiple values fields:
// Multiple fields.
$result = $this>getDatabase()>query('
SELECT
*
FROM
{content_field_related_resources} r
INNER JOIN {node} node ON r.vid = node.vid
WHERE
r.nid = :nid
', array(':nid' => $nid));
$related_resources = [];
foreach ($result as $record) {
if (!empty($record>field_related_resources_nid)) {
$related_resources[] = $record>field_related_resources_nid;
}
}
$row>setSourceProperty('field_related_resources', $related_resources);](https://image.slidesharecdn.com/migratedrupal6todrupal8-160811103025/85/Migrate-drupal-6-to-drupal-8-31-320.jpg)
![And few methods to describe entity:
public function getIds() {
$ids['nid']['type'] = 'integer';
$ids['nid']['alias'] = 'n';
return $ids;
}
public function bundleMigrationRequired() {
return FALSE;
}
public function entityTypeId() {
return 'node';
}](https://image.slidesharecdn.com/migratedrupal6todrupal8-160811103025/85/Migrate-drupal-6-to-drupal-8-32-320.jpg)
Migrate drupal 6 to drupal 8. Абраменко Иван
- 1. Migration from Drupal 6 to Drupal 8 My first Drupal 8 migration Created by / Drupal developerIvan Abramenko CimpleO
- 3. Drupal 8.0.x Migrate Upgrade / Drupal Upgrade https://www.drupal.org/project/migrate_upgrade Drupal Upgrade - Drupal 8.1.x Migrate Drupal UI - Drupal 8.2.x
- 4. Drupal 8.1.x migration Migrate UI didn't work for Drupal 8.1.x and above https://www.drupal.org/project/migrate_ui Migrations are core are now plugins, not con g entities. https://www.drupal.org/node/2677198 https://www.drupal.org/node/2625696 Try to use Migrate Drupal UI core module for Drupal 8.2.x and above.
- 5. Drupal 8.2.x migration Migrate Drupal UI in core! Works, but not perfect.
- 6. Drupal 8.0.x migration Drupal 8.0.x => Drupal 8.1.x => Drupal 8.2.x Uninstall drupal migrate modules after migration and before update to 8.1.x!
- 7. Why should use migrate module? Migrate map Import/Rollback Stub content Migrate import (drush support) With Migrate Tools module https://www.drupal.org/project/migrate_tools drush migrateimport migration_name drush migraterollback migration_name
- 8. Prepare migrations to import drush migrateupgrade legacydburl=mysql://user:password@localhost:3306/db legacydbprefix=drup_ legacyroot=http://www.ceservices.com configureonly
- 10. Drupal Upgrade Successfully migrated: User roles Users Node types (needed static map) Failed with: Nodes
- 11. Node types (needed static map) blog_entry > blog_post lp > landing_page 2 ways to resolve it: Add static map for migration .yml le Add custom plugin
- 12. Process pipeline
- 17. UI doesn't work as you want https://www.drupal.org/node/2708967
- 18. UI doesn't work as you want https://www.drupal.org/node/2708967 migrate.migration.d6_node_type.yml ... process: type: plugin: static_map source: type map: blog_entry: blog ...
- 19. Custom migrations are better than Migrate Upgrade
- 20. Custom migrations Nodes Taxonomy Nodewords, Page Title to Metatag
- 21. Nodes migration YML- le for each content type: /modules/ceservices_migrate/con g/install/ migrate.migration.ceservices_blog.yml migrate.migration.ceservices_book.yml migrate.migration.ceservices_page.yml migrate.migration.ceservices_story.yml ...
- 24. Source plugin Custom plugin or d6_node? Our choice is custom one. Extend DrupalSqlBase class, not Node class for Drupal 6.
- 26. Why did we use DrupalSqlBase instead of SourcePluginBase or SqlBase?
- 27. Blog source plugin's methods
- 31. Single value fields: $row>setSourceProperty('body_value', $record>body); Multiple values fields: // Multiple fields. $result = $this>getDatabase()>query(' SELECT * FROM {content_field_related_resources} r INNER JOIN {node} node ON r.vid = node.vid WHERE r.nid = :nid ', array(':nid' => $nid)); $related_resources = []; foreach ($result as $record) { if (!empty($record>field_related_resources_nid)) { $related_resources[] = $record>field_related_resources_nid; } } $row>setSourceProperty('field_related_resources', $related_resources);
- 32. And few methods to describe entity: public function getIds() { $ids['nid']['type'] = 'integer'; $ids['nid']['alias'] = 'n'; return $ids; } public function bundleMigrationRequired() { return FALSE; } public function entityTypeId() { return 'node'; }
- 33. Process — map between destination => source process: nid: nid vid: vid type: type langcode: plugin: static_map bypass: true source: language map: und: en en: en title: title uid: uid status: status created: created changed: changed promote: promote
- 34. We decided to use old nid/vid values: process: nid: nid vid: vid Be sure you deleted all content before migration!
- 35. Use batch API for any problems after migration Nodewords, Page Title: https://www.drupal.org/node/2052441 https://www.drupal.org/node/2563649
- 36. Thank you! And successful migrations! Migration from Drupal 6 to Drupal 8 My first Drupal 8 migration Created by / Drupal developerIvan Abramenko CimpleO levmyshkin89@gmail.com