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107 lines
2.6 KiB
PHP
107 lines
2.6 KiB
PHP
<?php
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declare(strict_types=1);
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/**
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* SPDX-FileCopyrightText: 2025 Nextcloud GmbH and Nextcloud contributors
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* SPDX-License-Identifier: AGPL-3.0-or-later
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*/
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namespace OC\OpenMetrics;
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use Generator;
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use OC\OpenMetrics\Exporters\ActiveSessions;
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use OC\OpenMetrics\Exporters\ActiveUsers;
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use OC\OpenMetrics\Exporters\AppsCount;
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use OC\OpenMetrics\Exporters\AppsInfo;
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use OC\OpenMetrics\Exporters\FilesByType;
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use OC\OpenMetrics\Exporters\InstanceInfo;
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use OC\OpenMetrics\Exporters\LogLevel;
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use OC\OpenMetrics\Exporters\Maintenance;
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use OC\OpenMetrics\Exporters\RunningJobs;
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use OC\OpenMetrics\Exporters\UsersByBackend;
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use OCP\App\IAppManager;
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use OCP\IConfig;
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use OCP\OpenMetrics\IMetricFamily;
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use OCP\Server;
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use Psr\Log\LoggerInterface;
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class ExporterManager {
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private array $skippedClasses;
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private const XML_ENTRY = 'openmetrics';
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public function __construct(
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private IAppManager $appManager,
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private LoggerInterface $logger,
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IConfig $config,
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) {
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// Use values as keys for faster lookups
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$this->skippedClasses = array_fill_keys($config->getSystemValue('openmetrics_skipped_classes', []), true);
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}
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public function export(): Generator {
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// Core exporters
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$exporters = [
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// Basic exporters
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InstanceInfo::class,
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AppsInfo::class,
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AppsCount::class,
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Maintenance::class,
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LogLevel::class,
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// File exporters
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FilesByType::class,
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// Users exporters
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ActiveUsers::class,
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ActiveSessions::class,
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UsersByBackend::class,
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// Jobs
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RunningJobs::class,
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];
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$exporters = array_filter($exporters, fn ($classname) => !isset($this->skippedClasses[$classname]));
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foreach ($exporters as $classname) {
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$exporter = $this->loadExporter($classname);
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if ($exporter !== null) {
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yield $exporter;
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}
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}
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// Apps exporters
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foreach ($this->appManager->getEnabledApps() as $appId) {
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$appInfo = $this->appManager->getAppInfo($appId);
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if (!isset($appInfo[self::XML_ENTRY]) || !is_array($appInfo[self::XML_ENTRY])) {
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continue;
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}
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foreach ($appInfo[self::XML_ENTRY] as $classnames) {
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foreach ($classnames as $classname) {
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if (isset($this->skippedClasses[$classname])) {
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continue;
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}
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$exporter = $this->loadExporter($classname, $appId);
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if ($exporter !== null) {
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yield $exporter;
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}
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}
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}
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}
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}
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private function loadExporter(string $classname, string $appId = 'core'): ?IMetricFamily {
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try {
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return Server::get($classname);
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} catch (\Exception $e) {
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$this->logger->error(
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'Unable to build exporter {exporter}',
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[
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'app' => $appId,
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'exception' => $e,
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'exporter' => $classname,
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],
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);
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}
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return null;
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}
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}
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