DiskSpace.php in Automatic Updates 8

Namespace

Drupal\automatic_updates\ReadinessChecker

File

src/ReadinessChecker/DiskSpace.php

<?php

namespace Drupal\automatic_updates\ReadinessChecker;

use Drupal\Component\FileSystem\FileSystem as FileSystemComponent;

/**
 * Disk space checker.
 */
class DiskSpace extends Filesystem {

  /**
   * Minimum disk space (in bytes) is 10mb.
   */
  const MINIMUM_DISK_SPACE = 10000000;

  /**
   * Megabyte divisor.
   */
  const MEGABYTE_DIVISOR = 1000000;

  /**
   * {@inheritdoc}
   */
  protected function doCheck() {
    return $this
      ->diskSpaceCheck();
  }

  /**
   * Check if the filesystem has sufficient disk space.
   *
   * @return array
   *   An array of translatable strings if there is not sufficient space.
   */
  protected function diskSpaceCheck() {
    $messages = [];
    if (!$this
      ->areSameLogicalDisk($this
      ->getRootPath(), $this
      ->getVendorPath())) {
      if (disk_free_space($this
        ->getRootPath()) < static::MINIMUM_DISK_SPACE) {
        $messages[] = $this
          ->t('Drupal root filesystem "@root" has insufficient space. There must be at least @space megabytes free.', [
          '@root' => $this
            ->getRootPath(),
          '@space' => static::MINIMUM_DISK_SPACE / static::MEGABYTE_DIVISOR,
        ]);
      }
      if (is_dir($this
        ->getVendorPath()) && disk_free_space($this
        ->getVendorPath()) < static::MINIMUM_DISK_SPACE) {
        $messages[] = $this
          ->t('Vendor filesystem "@vendor" has insufficient space. There must be at least @space megabytes free.', [
          '@vendor' => $this
            ->getVendorPath(),
          '@space' => static::MINIMUM_DISK_SPACE / static::MEGABYTE_DIVISOR,
        ]);
      }
    }
    elseif (disk_free_space($this
      ->getRootPath()) < static::MINIMUM_DISK_SPACE) {
      $messages[] = $this
        ->t('Logical disk "@root" has insufficient space. There must be at least @space megabytes free.', [
        '@root' => $this
          ->getRootPath(),
        '@space' => static::MINIMUM_DISK_SPACE / static::MEGABYTE_DIVISOR,
      ]);
    }
    $temp = FileSystemComponent::getOsTemporaryDirectory();
    if (disk_free_space($temp) < static::MINIMUM_DISK_SPACE) {
      $messages[] = $this
        ->t('Directory "@temp" has insufficient space. There must be at least @space megabytes free.', [
        '@temp' => $temp,
        '@space' => static::MINIMUM_DISK_SPACE / static::MEGABYTE_DIVISOR,
      ]);
    }
    return $messages;
  }

}

Classes

Name	Description
DiskSpace	Disk space checker.