Add the agaric_migration module

web/modules/custom/agaric_migration/agaric_migration.info.yml

@@ -0,0 +1,10 @@
+name: Agaric Migration
+description: Migrate the content from the D7 version of the site.
+package: Custom
+type: module
+core: 8.x
+dependencies:
+  - drupal:migrate
+  - drupal:migrate_drupal
+  - migrate_plus:migrate_plus
+  - migrate_tools:migrate_tools

web/modules/custom/agaric_migration/migrations/agaric.yml

@@ -0,0 +1,11 @@
+id: agaric
+label: Agaric Group
+description: Agaric migrations.
+source_type: Drupal 7
+shared_configuration:
+  source:
+    key: migrate
+dependencies:
+  enforced:
+    module:
+    - agaric_migration

web/modules/custom/agaric_migration/migrations/agaric_user.yml

@@ -0,0 +1,32 @@
+id: agaric_user
+migration_group: agaric
+label: Agaric Users
+source:
+  plugin: d7_user
+destination:
+  plugin: entity:user
+process:
+  name: name
+  pass: pass
+  mail: mail
+  created: created
+  access: access
+  login: login
+  status: status
+  timezone: timezone
+  init: init
+  roles:
+    -
+      plugin: static_map
+      source: roles
+      map:
+        1: anonymous
+        2: authenticated
+        3: staff
+        4: administrator
+        5: past
+        6: partner
+    -
+      plugin: role_generate
+      entity_type: user_role
+      value_key: id

web/modules/custom/agaric_migration/src/Plugin/migrate/process/RoleGenerate.php

@@ -0,0 +1,36 @@
+<?php
+
+namespace Drupal\agaric_migration\Plugin\migrate\process;
+
+use Drupal\migrate_plus\Plugin\migrate\process\EntityGenerate;
+
+/**
+ * RoleGenerate migrate plugin.
+ *
+ * Basically just extends the EntityGenerate module and overwrite the entity
+ * method and there just set a label to the role.
+ *
+ * @MigrateProcessPlugin(
+ *   id = "role_generate"
+ * )
+ *
+ * @see EntityGenerate
+ */
+class RoleGenerate extends EntityGenerate {
+
+  /**
+   * Gives a proper label to the role.
+   *
+   * @param mixed $value
+   *   Primary value to use in creation of the entity.
+   *
+   * @return array
+   *   Entity value array.
+   */
+  protected function entity($value) {
+    $entity_values = parent::entity($value);
+    $entity_values['label'] = ucfirst($value);
+    return $entity_values;
+  }
+
+}