migrate_tools.drush.inc in Migrate Tools 8

Command-line tools to aid performing and developing migrations.

File

migrate_tools.drush.inc

<?php

/**
 * @file
 * Command-line tools to aid performing and developing migrations.
 */
use Drupal\Component\Utility\Unicode;
use Drupal\migrate\Entity\Migration;
use Drupal\migrate\Entity\MigrationInterface;
use Drupal\migrate_tools\MigrateExecutable;
use Drupal\migrate_tools\DrushLogMigrateMessage;
use Drupal\Core\Datetime\DateFormatter;

/**
 * Implements hook_drush_command().
 */
function migrate_tools_drush_command() {
  $items['migrate-status'] = [
    'description' => 'List all migrations with current status.',
    'options' => [
      'group' => 'Name of the migration group to list',
      'names-only' => 'Only return names, not all the details (faster)',
    ],
    'arguments' => [
      'migration' => 'Restrict to a comma-separated list of migrations. Optional',
    ],
    'examples' => [
      'migrate-status' => 'Retrieve status for all migrations',
      'migrate-status --group=beer' => 'Retrieve status for all migrations in a given group',
      'migrate-status BeerTerm,BeerNode' => 'Retrieve status for specific migrations',
    ],
    'drupal dependencies' => [
      'migrate_tools',
    ],
    'aliases' => [
      'ms',
    ],
  ];
  $items['migrate-import'] = [
    'description' => 'Perform one or more migration processes.',
    'options' => [
      'all' => 'Process all migrations.',
      'group' => 'Name of the migration group to import',
      'limit' => 'Limit on the number of items to process in each migration',
      'feedback' => 'Frequency of progress messages, in items processed',
      'idlist' => 'Comma-separated list of IDs to import',
      'update' => ' In addition to processing unprocessed items from the source, update previously-imported items with the current data',
      'force' => 'Force an operation to run, even if all dependencies are not satisfied',
      'execute-dependencies' => 'Execute all dependent migrations first.',
    ],
    'arguments' => [
      'migration' => 'Name of migration(s) to import. Delimit multiple using commas.',
    ],
    'examples' => [
      'migrate-import --all' => 'Perform all migrations',
      'migrate-import --group=beer' => 'Import all migrations in the beer group',
      'migrate-import BeerTerm,BeerNode' => 'Import new terms and nodes',
      'migrate-import BeerUser --limit=2' => 'Import no more than 2 users',
      'migrate-import BeerUser --idlist=5' => 'Import the user record with source ID 5',
    ],
    'drupal dependencies' => [
      'migrate_tools',
    ],
    'aliases' => [
      'mi',
    ],
  ];
  $items['migrate-rollback'] = array(
    'description' => 'Rollback one or more migrations.',
    'options' => array(
      'all' => 'Process all migrations.',
      'group' => 'Name of the migration group to rollback',
      'feedback' => 'Frequency of progress messages, in items processed',
    ),
    'arguments' => array(
      'migration' => 'Name of migration(s) to rollback. Delimit multiple using commas.',
    ),
    'examples' => array(
      'migrate-rollback --all' => 'Perform all migrations',
      'migrate-rollback --group=beer' => 'Rollback all migrations in the beer group',
      'migrate-rollback BeerTerm,BeerNode' => 'Rollback imported terms and nodes',
    ),
    'drupal dependencies' => array(
      'migrate_tools',
    ),
    'aliases' => array(
      'mr',
    ),
  );
  $items['migrate-stop'] = [
    'description' => 'Stop an active migration operation.',
    'arguments' => [
      'migration' => 'Name of migration to stop',
    ],
    'drupal dependencies' => [
      'migrate_tools',
    ],
    'aliases' => [
      'mst',
    ],
  ];
  $items['migrate-reset-status'] = [
    'description' => 'Reset a active migration\'s status to idle.',
    'arguments' => [
      'migration' => 'Name of migration to reset',
    ],
    'drupal dependencies' => [
      'migrate_tools',
    ],
    'aliases' => [
      'mrs',
    ],
  ];
  $items['migrate-messages'] = [
    'description' => 'View any messages associated with a migration.',
    'arguments' => [
      'migration' => 'Name of the migration',
    ],
    'options' => [
      'csv' => 'Export messages as a CSV',
    ],
    'examples' => [
      'migrate-messages MyNode' => 'Show all messages for the MyNode migration',
    ],
    'drupal dependencies' => [
      'migrate_tools',
    ],
    'aliases' => [
      'mmsg',
    ],
  ];
  $items['migrate-fields-source'] = [
    'description' => 'List the fields available for mapping in a source.',
    'arguments' => [
      'migration' => 'Name of the migration',
    ],
    'examples' => [
      'migrate-fields-source my_node' => 'List fields for the source in the my_node migration',
    ],
    'drupal dependencies' => [
      'migrate_tools',
    ],
    'aliases' => [
      'mfs',
    ],
  ];
  return $items;
}

/**
 * @param string $migration_names
 */
function drush_migrate_tools_migrate_status($migration_names = '') {
  $group_name = drush_get_option('group');
  $names_only = drush_get_option('names-only');
  $migrations = drush_migrate_tools_migration_list($group_name, $migration_names);
  $table = [];

  // Take it one group at a time, listing the migrations within each group.
  foreach ($migrations as $group_id => $migration_list) {
    if ($names_only) {
      $table[] = [
        dt('Group: @name', array(
          '@name' => $group_id,
        )),
      ];
    }
    else {
      $table[] = [
        dt('Group: @name', array(
          '@name' => $group_id,
        )),
        dt('Status'),
        dt('Total'),
        dt('Imported'),
        dt('Unprocessed'),
        dt('Last imported'),
      ];
    }
    foreach ($migration_list as $migration_id => $migration) {
      try {
        $map = $migration
          ->getIdMap();
        $imported = $map
          ->importedCount();
        $source_plugin = $migration
          ->getSourcePlugin();
      } catch (Exception $e) {
        drush_log(dt('Failure retrieving information on @migration: @message', [
          '@migration' => $migration_id,
          '@message' => $e
            ->getMessage(),
        ]));
        continue;
      }
      try {
        $source_rows = $source_plugin
          ->count();

        // -1 indicates uncountable sources.
        if ($source_rows == -1) {
          $source_rows = dt('N/A');
          $unprocessed = dt('N/A');
        }
        else {
          $unprocessed = $source_rows - $map
            ->processedCount();
        }
      } catch (Exception $e) {
        drush_log(dt('Could not retrieve source count from @migration', [
          '@migration' => $migration_id,
        ]));
        $source_rows = dt('N/A');
        $unprocessed = dt('N/A');
      }
      if ($names_only) {
        $table[] = [
          $migration_id,
        ];
      }
      else {
        $status = $migration
          ->getStatusLabel();
        $migrate_last_imported_store = \Drupal::keyValue('migrate_last_imported');
        $last_imported = $migrate_last_imported_store
          ->get($migration
          ->id(), FALSE);
        if ($last_imported) {

          /** @var DateFormatter $date_formatter */
          $date_formatter = \Drupal::service('date.formatter');
          $last_imported = $date_formatter
            ->format($last_imported / 1000, 'custom', 'Y-m-d H:i:s');
        }
        else {
          $last_imported = '';
        }
        $table[] = [
          $migration_id,
          $status,
          $source_rows,
          $imported,
          $unprocessed,
          $last_imported,
        ];
      }
    }
  }
  drush_print_table($table);
}

/**
 * @param string $migration_names
 */
function drush_migrate_tools_migrate_import($migration_names = '') {
  $group_name = drush_get_option('group');
  $all = drush_get_option('all');
  $options = [];
  if (!$all && !$group_name && !$migration_names) {
    drush_set_error('MIGRATE_ERROR', dt('You must specify --all, --group, or one or more migration names separated by commas'));
    return;
  }
  foreach ([
    'limit',
    'feedback',
    'idlist',
    'update',
    'force',
  ] as $option) {
    if (drush_get_option($option)) {
      $options[$option] = drush_get_option($option);
    }
  }
  $migrations = drush_migrate_tools_migration_list($group_name, $migration_names);

  // Take it one group at a time, importing the migrations within each group.
  foreach ($migrations as $group_id => $migration_list) {
    array_walk($migration_list, '_drush_migrate_tools_execute_migration', $options);
  }
}

/**
 * Executes a single migration. If the --execute-dependencies option was given,
 * the migration's dependencies will also be executed first.
 *
 * @param \Drupal\migrate\Entity\MigrationInterface $migration
 *  The migration to execute.
 * @param string $migration_id
 *  The migration ID (not used, just an artifact of array_walk()).
 * @param array $options
 *  Additional options for the migration.
 */
function _drush_migrate_tools_execute_migration(MigrationInterface $migration, $migration_id, array $options = []) {
  $log = new DrushLogMigrateMessage();
  if (drush_get_option('execute-dependencies')) {
    $required_migrations = \Drupal::entityTypeManager()
      ->getStorage('migration')
      ->loadMultiple($migration
      ->get('requirements'));
    $dependency_options = array_merge($options, [
      'is_dependency' => TRUE,
    ]);
    array_walk($required_migrations, __FUNCTION__, $dependency_options);
  }
  if ($options['force']) {
    $migration
      ->set('requirements', []);
  }
  if ($options['update']) {
    $migration
      ->getIdMap()
      ->prepareUpdate();
  }
  $executable = new MigrateExecutable($migration, $log, $options);

  // drush_op() provides --simulate support
  drush_op(array(
    $executable,
    'import',
  ));
}

/**
 * @param string $migration_names
 */
function drush_migrate_tools_migrate_rollback($migration_names = '') {
  $group_name = drush_get_option('group');
  $all = drush_get_option('all');
  $options = [];
  if (!$all && !$group_name && !$migration_names) {
    drush_set_error('MIGRATE_ERROR', dt('You must specify --all, --group, or one or more migration names separated by commas'));
    return;
  }
  if (drush_get_option('feedback')) {
    $options['feedback'] = drush_get_option('feedback');
  }
  $log = new DrushLogMigrateMessage();
  $migrations = drush_migrate_tools_migration_list($group_name, $migration_names);

  // Take it one group at a time, rolling back the migrations within each group.
  foreach ($migrations as $group_id => $migration_list) {

    // Roll back in reverse order.
    $migration_list = array_reverse($migration_list);
    foreach ($migration_list as $migration_id => $migration) {
      $executable = new MigrateExecutable($migration, $log, $options);

      // drush_op() provides --simulate support.
      drush_op(array(
        $executable,
        'rollback',
      ));
    }
  }
}

/**
 * @param string $migration_id
 */
function drush_migrate_tools_migrate_stop($migration_id = '') {

  /** @var Migration $migration */
  $migration = Migration::load($migration_id);
  if ($migration) {
    $status = $migration
      ->getStatus();
    switch ($status) {
      case MigrationInterface::STATUS_IDLE:
        drush_log(dt('Migration @id is idle', [
          '@id' => $migration_id,
        ]), 'warning');
        break;
      case MigrationInterface::STATUS_DISABLED:
        drush_log(dt('Migration @id is disabled', [
          '@id' => $migration_id,
        ]), 'warning');
        break;
      case MigrationInterface::STATUS_STOPPING:
        drush_log(dt('Migration @id is already stopping', [
          '@id' => $migration_id,
        ]), 'warning');
        break;
      default:
        $migration
          ->interruptMigration(MigrationInterface::RESULT_STOPPED);
        drush_log(dt('Migration @id requested to stop', [
          '@id' => $migration_id,
        ]), 'success');
        break;
    }
  }
  else {
    drush_log(dt('Migration @id does not exist', [
      '@id' => $migration_id,
    ]), 'error');
  }
}

/**
 * @param string $migration_id
 */
function drush_migrate_tools_migrate_reset_status($migration_id = '') {

  /** @var Migration $migration */
  $migration = Migration::load($migration_id);
  if ($migration) {
    $status = $migration
      ->getStatus();
    if ($status == MigrationInterface::STATUS_IDLE) {
      drush_log(dt('Migration @id is already Idle', [
        '@id' => $migration_id,
      ]), 'warning');
    }
    else {
      $migration
        ->setStatus(MigrationInterface::STATUS_IDLE);
      drush_log(dt('Migration @id reset to Idle', [
        '@id' => $migration_id,
      ]), 'status');
    }
  }
  else {
    drush_log(dt('Migration @id does not exist', [
      '@id' => $migration_id,
    ]), 'error');
  }
}

/**
 * @param string $migration_id
 */
function drush_migrate_tools_migrate_messages($migration_id) {

  /** @var Migration $migration */
  $migration = Migration::load($migration_id);
  if ($migration) {
    $map = $migration
      ->getIdMap();
    $first = TRUE;
    $table = [];
    foreach ($map
      ->getMessageIterator() as $row) {
      unset($row->msgid);
      if ($first) {

        // @todo: Ideally, replace sourceid* with source key names. Or, should
        // getMessageIterator() do that?
        foreach ($row as $column => $value) {
          $table[0][] = $column;
        }
        $first = FALSE;
      }
      $table[] = (array) $row;
    }
    if (empty($table)) {
      drush_log(dt('No messages for this migration'), 'status');
    }
    else {
      if (drush_get_option('csv')) {
        foreach ($table as $row) {
          fputcsv(STDOUT, $row);
        }
      }
      else {
        $widths = [];
        foreach ($table[0] as $header) {
          $widths[] = strlen($header) + 1;
        }
        drush_print_table($table, TRUE, $widths);
      }
    }
  }
  else {
    drush_log(dt('Migration @id does not exist', [
      '@id' => $migration_id,
    ]), 'error');
  }
}

/**
 * @param string $migration_id
 */
function drush_migrate_tools_migrate_fields_source($migration_id) {

  /** @var Migration $migration */
  $migration = Migration::load($migration_id);
  if ($migration) {
    $source = $migration
      ->getSourcePlugin();
    $table = [];
    foreach ($source
      ->fields() as $machine_name => $description) {
      $table[] = [
        strip_tags($description),
        $machine_name,
      ];
    }
    drush_print_table($table);
  }
  else {
    drush_log(dt('Migration @id does not exist', [
      '@id' => $migration_id,
    ]), 'error');
  }
}

/**
 * Retrieve a list of active migrations.
 *
 * @param string $group_id
 *  Group machine name - if present, return only migrations in this group.
 * @param string $migration_ids
 *  Comma-separated list of migrations - if present, return only these migrations.
 *
 * @return MigrationInterface[][]
 *   An array keyed by migration group, each value containing an array of migrations.
 */
function drush_migrate_tools_migration_list($group_id = '', $migration_ids = '') {
  $query = \Drupal::entityQuery('migration');
  if ($group_id) {
    $query
      ->condition('third_party_settings.migrate_plus.migration_group', $group_id);
  }
  $names = $query
    ->execute();

  // Order the migrations according to their dependencies.

  /** @var MigrationInterface[] $migrations */
  $migrations = \Drupal::entityTypeManager()
    ->getStorage('migration')
    ->loadMultiple($names);
  if (!empty($migration_ids)) {
    $migration_ids = explode(',', Unicode::strtolower($migration_ids));
  }
  else {
    $migration_ids = [];
  }
  $return = [];
  foreach ($migrations as $migration_id => $migration) {
    if (empty($migration_ids) || in_array(Unicode::strtolower($migration_id), $migration_ids)) {
      $group_id = $migration
        ->getThirdPartySetting('migrate_plus', 'migration_group');
      if (!empty($group_id)) {
        $return[$group_id][$migration_id] = $migration;
      }
      else {
        $return['default'][$migration_id] = $migration;
      }
    }
  }
  return $return;
}

Functions

Name	Description
drush_migrate_tools_migrate_fields_source
drush_migrate_tools_migrate_import
drush_migrate_tools_migrate_messages
drush_migrate_tools_migrate_reset_status
drush_migrate_tools_migrate_rollback
drush_migrate_tools_migrate_status
drush_migrate_tools_migrate_stop
drush_migrate_tools_migration_list	Retrieve a list of active migrations.
migrate_tools_drush_command	Implements hook_drush_command().
_drush_migrate_tools_execute_migration	Executes a single migration. If the --execute-dependencies option was given, the migration's dependencies will also be executed first.