hook_cron to run a migration periodically

use Drupal\migrate\MigrateExecutable;
use Drupal\migrate\MigrateMessage;

/**
 * Implements hook_cron().
 */
function migrate_tools_cron() {
    $manager = Drupal::service('plugin.manager.migration');
    $migration_ids = ['drupal_planet_rss_importer'];
    foreach ($migration_ids as $migration_id) {
      $migration = $manager->createInstance($migration_id);
      // update existing entity imported.
      $migration->getIdMap()->prepareUpdate();
      $executable = new MigrateExecutable($migration, new MigrateMessage());

      try {
        // Run the migration.
        $executable->import();
      }
      catch (\Exception $e) {
        $migration->setStatus(MigrationInterface::STATUS_IDLE);
      }
    }
}