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<?php |
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namespace phpbu\App\Log; |
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use phpbu\App\Exception; |
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use phpbu\App\Event; |
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use phpbu\App\Listener; |
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/** |
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* Json Logger |
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* |
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* @package phpbu |
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* @subpackage Log |
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* @author MoeBrowne |
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* @license https://opensource.org/licenses/MIT The MIT License (MIT) |
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* @link http://phpbu.de/ |
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* @since Class available since Release 6.0.0 |
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*/ |
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class Prometheus extends File implements Listener, Logger |
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{ |
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protected $backupStats = []; |
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/** |
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* Returns an array of event names this subscriber wants to listen to. |
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* |
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* The array keys are event names and the value can be: |
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* |
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* - The method name to call (priority defaults to 0) |
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* - An array composed of the method name to call and the priority |
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* - An array of arrays composed of the method names to call and respective |
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* priorities, or 0 if unset |
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* |
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* @return array The event names to listen to |
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*/ |
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public static function getSubscribedEvents(): array |
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{ |
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return [ |
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'phpbu.backup_start' => 'onBackupStart', |
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'phpbu.backup_end' => 'onBackupEnd', |
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'phpbu.app_end' => 'onPhpbuEnd', |
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]; |
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} |
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/** |
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* Setup the logger. |
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* |
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* @see \phpbu\App\Log\Logger::setup |
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* @param array $options |
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* @throws \phpbu\App\Exception |
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*/ |
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public function setup(array $options) |
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{ |
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if (empty($options['target'])) { |
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throw new Exception('no target given'); |
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} |
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$this->setOut($options['target']); |
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} |
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/** |
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* Backup start event. |
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* |
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* @param \phpbu\App\Event\Backup\Start $event |
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*/ |
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public function onBackupStart(Event\Backup\Start $event) |
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{ |
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$this->backupStats[$event->getConfiguration()->getName()]['timeStart'] = microtime(true); |
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} |
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/** |
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* Backup end event. |
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* |
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* @param \phpbu\App\Event\Backup\End $event |
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*/ |
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public function onBackupEnd(Event\Backup\End $event) |
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{ |
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$this->backupStats[$event->getConfiguration()->getName()]['timeEnd'] = microtime(true); |
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$this->backupStats[$event->getConfiguration()->getName()]['lastRun'] = microtime(true); |
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$this->backupStats[$event->getConfiguration()->getName()]['size'] = $event->getTarget()->getSize(); |
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} |
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/** |
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* App end event. |
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* |
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* @param \phpbu\App\Event\App\End $event |
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*/ |
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public function onPhpbuEnd(Event\App\End $event) |
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{ |
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$this->write('# HELP phpbu_backup_success Whether or not the backup succeeded' . PHP_EOL); |
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$this->write('# TYPE phpbu_backup_success gauge' . PHP_EOL); |
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foreach ($event->getResult()->getBackups() as $backupResult) { |
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$this->write('phpbu_backup_success{name="' . $backupResult->getName() . '} ' . (int)$backupResult->allOk() . PHP_EOL); |
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} |
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$this->write(PHP_EOL); |
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$this->write('# HELP phpbu_backup_duration The total time the backup took to execute' . PHP_EOL); |
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$this->write('# TYPE phpbu_backup_duration gauge' . PHP_EOL); |
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foreach ($this->backupStats as $backupName => $backupStats) { |
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$duration = $this->backupStats[$backupName]['timeEnd'] - $this->backupStats[$backupName]['timeStart']; |
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$this->write('phpbu_backup_duration{name="' . $backupName . '} ' . $duration . PHP_EOL); |
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} |
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$this->write(PHP_EOL); |
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$this->write('# HELP phpbu_backup_last_run The unix timestamp of the last run' . PHP_EOL); |
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$this->write('# TYPE phpbu_backup_last_run counter' . PHP_EOL); |
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foreach ($this->backupStats as $backupName => $backupStats) { |
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$this->write('phpbu_backup_last_run{name="' . $backupName . '} ' . (int)$this->backupStats[$backupName]['lastRun'] . PHP_EOL); |
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} |
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$this->write(PHP_EOL); |
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$this->write('# HELP phpbu_backup_size The size of the last successful backup' . PHP_EOL); |
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$this->write('# TYPE phpbu_backup_size gauge' . PHP_EOL); |
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foreach ($this->backupStats as $backupName => $backupStats) { |
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$this->write('phpbu_backup_size{name="' . $backupName . '} ' . $this->backupStats[$backupName]['size'] . PHP_EOL); |
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} |
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} |
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} |
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sebastianfeldmann /
phpbu
