Issue #2488350 by alexpott, Wim Leers, Dimiter, catch, dawehner, Berdir,...

 * $conf['container_service_providers'] and required to prevent various services

 * from trying to retrieve data from storages that do not exist yet.

 */

class InstallerServiceProvider implements ServiceProviderInterface, ServiceModifierInterface {

class InstallerServiceProvider extends NormalInstallerServiceProvider implements ServiceProviderInterface, ServiceModifierInterface {

  /**

   * {@inheritdoc}

    $container->register('config.storage', 'Drupal\Core\Config\InstallStorage');

    // Replace services with in-memory implementations.

    $definition = $container->getDefinition('cache_factory');

    $definition->setClass('Drupal\Core\Cache\MemoryBackendFactory');

    $definition->setArguments([]);

    $definition->setMethodCalls([]);

    $container

      ->register('keyvalue', 'Drupal\Core\KeyValueStore\KeyValueMemoryFactory');

    $container

      ->register('keyvalue.expirable', 'Drupal\Core\KeyValueStore\KeyValueNullExpirableFactory');

    // Replace services with no-op implementations.

    $container

      ->register('lock', 'Drupal\Core\Lock\NullLockBackend');

    $container

      ->register('url_generator', 'Drupal\Core\Routing\NullGenerator')

      ->addArgument(new Reference('request_stack'));

    $container

      ->register('router.dumper', 'Drupal\Core\Routing\NullMatcherDumper');

    // Remove the cache tags invalidator tag from the cache tags storage, so

    // that we don't call it when cache tags are invalidated very early in the

    // installer.

    $container->getDefinition('cache_tags.invalidator.checksum')

      ->clearTag('cache_tags_invalidator');

    // Replace the route builder with an empty implementation.

    // @todo Convert installer steps into routes; add an installer.routing.yml.

    $definition = $container->getDefinition('router.builder');

      // we don't need to ship with a custom proxy class.

      ->setLazy(FALSE);

    // Use a performance optimised module extension list.

    $container->getDefinition('extension.list.module')->setClass('Drupal\Core\Installer\InstallerModuleExtensionList');

    parent::register($container);

  }

  /**

namespace Drupal\Core\Installer;

use Drupal\Core\Cache\MemoryBackendFactory;

use Drupal\Core\DependencyInjection\ContainerBuilder;

use Drupal\Core\DependencyInjection\ServiceProviderInterface;

use Drupal\Core\Lock\NullLockBackend;

/**

 * Service provider for the non early installer environment.

 * Service provider for the installer environment.

 *

 * This class is manually added by install_begin_request() via

 * $conf['container_service_providers'] and optimizes the container for

 * installation.

 *

 * Note that the early installer environment requires the further customisations

 * in InstallerServiceProvider.

 *

 * @see install_begin_request()

 * @see \Drupal\Core\Installer\InstallerServiceProvider

 */

class NormalInstallerServiceProvider implements ServiceProviderInterface {

   * {@inheritdoc}

   */

  public function register(ContainerBuilder $container) {

    // Use a performance optimised module extension list.

    $container->getDefinition('extension.list.module')->setClass('Drupal\Core\Installer\InstallerModuleExtensionList');

    $container->getDefinition('extension.list.theme')->setClass('Drupal\Core\Installer\InstallerThemeExtensionList');

    $container->getDefinition('extension.list.theme_engine')->setClass('Drupal\Core\Installer\InstallerThemeEngineExtensionList');

    // Replace cache services with in-memory implementations. The results in

    // less queries to set caches which will only be cleared on the next module

    // install.

    $definition = $container->getDefinition('cache_factory');

    $definition->setClass(MemoryBackendFactory::class);

    $definition->setArguments([]);

    $definition->setMethodCalls([]);

    // Replace lock service with no-op implementation as Drupal installation can

    // only occur in a single thread and the site should not be publicly

    // available.

    $container

      ->register('lock', NullLockBackend::class);

    // Remove the cache tags invalidator tag from the cache tags storage, so

    // that we don't call it when cache tags are invalidated in the installer.

    $container->getDefinition('cache_tags.invalidator.checksum')

      ->clearTag('cache_tags_invalidator');

    // Use performance-optimized extension lists.

    $container->getDefinition('extension.list.module')->setClass(InstallerModuleExtensionList::class);

    $container->getDefinition('extension.list.theme')->setClass(InstallerThemeExtensionList::class);

    $container->getDefinition('extension.list.theme_engine')->setClass(InstallerThemeEngineExtensionList::class);

  }

}