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Migrate opcache check to new SetupCheck API
Signed-off-by: Côme Chilliet <come.chilliet@nextcloud.com>
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<?php | ||
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declare(strict_types=1); | ||
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/** | ||
* @copyright Copyright (c) 2023 Côme Chilliet <come.chilliet@nextcloud.com> | ||
* | ||
* @author Côme Chilliet <come.chilliet@nextcloud.com> | ||
* | ||
* @license GNU AGPL version 3 or any later version | ||
* | ||
* This program is free software: you can redistribute it and/or modify | ||
* it under the terms of the GNU Affero General Public License as | ||
* published by the Free Software Foundation, either version 3 of the | ||
* License, or (at your option) any later version. | ||
* | ||
* This program is distributed in the hope that it will be useful, | ||
* but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
* GNU Affero General Public License for more details. | ||
* | ||
* You should have received a copy of the GNU Affero General Public License | ||
* along with this program. If not, see <http://www.gnu.org/licenses/>. | ||
* | ||
*/ | ||
namespace OCA\Settings\SetupChecks; | ||
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use bantu\IniGetWrapper\IniGetWrapper; | ||
use OCP\IL10N; | ||
use OCP\IURLGenerator; | ||
use OCP\SetupCheck\ISetupCheck; | ||
use OCP\SetupCheck\SetupResult; | ||
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class PhpOpcacheSetup implements ISetupCheck { | ||
public function __construct( | ||
private IL10N $l10n, | ||
private IURLGenerator $urlGenerator, | ||
private IniGetWrapper $iniGetWrapper, | ||
) { | ||
} | ||
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public function getName(): string { | ||
return $this->l10n->t('PHP opcache'); | ||
} | ||
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public function getCategory(): string { | ||
return 'php'; | ||
} | ||
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/** | ||
* Checks whether a PHP OPcache is properly set up | ||
* @return string[] The list of OPcache setup recommendations | ||
*/ | ||
protected function getOpcacheSetupRecommendations(): array { | ||
// If the module is not loaded, return directly to skip inapplicable checks | ||
if (!extension_loaded('Zend OPcache')) { | ||
return [$this->l10n->t('The PHP OPcache module is not loaded. For better performance it is recommended to load it into your PHP installation.')]; | ||
} | ||
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$recommendations = []; | ||
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// Check whether Nextcloud is allowed to use the OPcache API | ||
$isPermitted = true; | ||
$permittedPath = $this->iniGetWrapper->getString('opcache.restrict_api'); | ||
if (isset($permittedPath) && $permittedPath !== '' && !str_starts_with(\OC::$SERVERROOT, rtrim($permittedPath, '/'))) { | ||
$isPermitted = false; | ||
} | ||
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if (!$this->iniGetWrapper->getBool('opcache.enable')) { | ||
$recommendations[] = $this->l10n->t('OPcache is disabled. For better performance, it is recommended to apply <code>opcache.enable=1</code> to your PHP configuration.'); | ||
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// Check for saved comments only when OPcache is currently disabled. If it was enabled, opcache.save_comments=0 would break Nextcloud in the first place. | ||
if (!$this->iniGetWrapper->getBool('opcache.save_comments')) { | ||
$recommendations[] = $this->l10n->t('OPcache is configured to remove code comments. With OPcache enabled, <code>opcache.save_comments=1</code> must be set for Nextcloud to function.'); | ||
} | ||
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if (!$isPermitted) { | ||
$recommendations[] = $this->l10n->t('Nextcloud is not allowed to use the OPcache API. With OPcache enabled, it is highly recommended to include all Nextcloud directories with <code>opcache.restrict_api</code> or unset this setting to disable OPcache API restrictions, to prevent errors during Nextcloud core or app upgrades.'); | ||
} | ||
} elseif (!$isPermitted) { | ||
$recommendations[] = $this->l10n->t('Nextcloud is not allowed to use the OPcache API. It is highly recommended to include all Nextcloud directories with <code>opcache.restrict_api</code> or unset this setting to disable OPcache API restrictions, to prevent errors during Nextcloud core or app upgrades.'); | ||
} elseif ($this->iniGetWrapper->getBool('opcache.file_cache_only')) { | ||
$recommendations[] = $this->l10n->t('The shared memory based OPcache is disabled. For better performance, it is recommended to apply <code>opcache.file_cache_only=0</code> to your PHP configuration and use the file cache as second level cache only.'); | ||
} else { | ||
// Check whether opcache_get_status has been explicitly disabled an in case skip usage based checks | ||
$disabledFunctions = $this->iniGetWrapper->getString('disable_functions'); | ||
if (isset($disabledFunctions) && str_contains($disabledFunctions, 'opcache_get_status')) { | ||
return []; | ||
} | ||
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$status = opcache_get_status(false); | ||
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// Recommend to raise value, if more than 90% of max value is reached | ||
if ( | ||
empty($status['opcache_statistics']['max_cached_keys']) || | ||
($status['opcache_statistics']['num_cached_keys'] / $status['opcache_statistics']['max_cached_keys'] > 0.9) | ||
) { | ||
$recommendations[] = $this->l10n->t('The maximum number of OPcache keys is nearly exceeded. To assure that all scripts can be kept in the cache, it is recommended to apply <code>opcache.max_accelerated_files</code> to your PHP configuration with a value higher than <code>%s</code>.', [($this->iniGetWrapper->getNumeric('opcache.max_accelerated_files') ?: 'currently')]); | ||
} | ||
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if ( | ||
empty($status['memory_usage']['free_memory']) || | ||
($status['memory_usage']['used_memory'] / $status['memory_usage']['free_memory'] > 9) | ||
) { | ||
$recommendations[] = $this->l10n->t('The OPcache buffer is nearly full. To assure that all scripts can be hold in cache, it is recommended to apply <code>opcache.memory_consumption</code> to your PHP configuration with a value higher than <code>%s</code>.', [($this->iniGetWrapper->getNumeric('opcache.memory_consumption') ?: 'currently')]); | ||
} | ||
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if ( | ||
// Do not recommend to raise the interned strings buffer size above a quarter of the total OPcache size | ||
($this->iniGetWrapper->getNumeric('opcache.interned_strings_buffer') < $this->iniGetWrapper->getNumeric('opcache.memory_consumption') / 4) && | ||
( | ||
empty($status['interned_strings_usage']['free_memory']) || | ||
($status['interned_strings_usage']['used_memory'] / $status['interned_strings_usage']['free_memory'] > 9) | ||
) | ||
) { | ||
$recommendations[] = $this->l10n->t('The OPcache interned strings buffer is nearly full. To assure that repeating strings can be effectively cached, it is recommended to apply <code>opcache.interned_strings_buffer</code> to your PHP configuration with a value higher than <code>%s</code>.', [($this->iniGetWrapper->getNumeric('opcache.interned_strings_buffer') ?: 'currently')]); | ||
} | ||
} | ||
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return $recommendations; | ||
} | ||
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public function run(): SetupResult { | ||
$recommendations = $this->getOpcacheSetupRecommendations(); | ||
if (!empty($recommendations)) { | ||
return SetupResult::error( | ||
$this->l10n->t('The PHP OPcache module is not properly configured. %s.', implode("\n", $recommendations)), | ||
$this->urlGenerator->linkToDocs('admin-php-opcache') | ||
); | ||
} else { | ||
return SetupResult::success($this->l10n->t('Correctly configured')); | ||
} | ||
} | ||
} |
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