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<?php |
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namespace Drupal\mongodb_watchdog\Command; |
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use Drupal\Console\Command\ContainerAwareCommand; |
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use Drupal\mongodb_watchdog\Logger; |
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use Symfony\Component\Console\Input\InputInterface; |
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use Symfony\Component\Console\Output\OutputInterface; |
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use Drupal\Console\Style\DrupalStyle; |
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/** |
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* Class SanityCheckCommand. |
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* |
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* @package Drupal\mongodb_watchdog |
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*/ |
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class SanityCheckCommand extends ContainerAwareCommand { |
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/** |
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* The per-collection-size statistics buckets. |
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* |
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* @var array |
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*/ |
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protected $buckets; |
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/** |
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* The bucket size values. |
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* |
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* @var array |
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*/ |
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protected $items; |
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/** |
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* {@inheritdoc} |
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*/ |
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protected function configure() { |
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$this |
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->setName('mongodb:watchdog:sanitycheck') |
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->setDescription($this->trans('Check the sizes of the watchdog collections')) |
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->setHelp($this->trans(<<<HELP |
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This command produces a list of the sizes of the watchdog capped collections, |
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grouped by "bucket". The bucket sizes are 0 (empty collection), 1 (single document), one bucket for each fraction of the size of the capping limit |
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(which should be the typical case), one for capping limit - 1, and one for the |
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capping limit itself, showing events occurring too often for the configured |
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limit. |
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For example: with a typical capping limit of 10000, the list will be made of |
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the following buckers: 0, 1, 2-1000, 1001-2000, 2001-3000, ... 9000-9998, |
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9999, and 10000. |
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HELP |
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)); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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protected function execute(InputInterface $input, OutputInterface $output) { |
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$this->io = new DrupalStyle($input, $output); |
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$this->buildCollectionstats(); |
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$this->io->info(print_r($this->buckets, TRUE)); |
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} |
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/** |
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* Prepare a table of bucket to hold the statistics. |
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*/ |
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protected function initBucketsList() { |
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$config = $this->getConfigFactory()->get(Logger::CONFIG_NAME); |
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$this->items = $items = $config->get('items'); |
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unset($config); |
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$barCount = 10; |
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$barWidth = $items / $barCount; |
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$buckets = [ |
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0 => 0, |
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1 => 0, |
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$items - 1 => 0, |
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$items => 0, |
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]; |
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// Values 0, 1 and the value of $items are reserved. |
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for ($i = 1; $i < $barCount; $i++) { |
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$buckets[$i * $barWidth] = 0; |
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} |
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ksort($buckets); |
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$this->buckets = $buckets; |
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} |
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/** |
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* Store a collection document count in its statistics bucket. |
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* |
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* @param int $value |
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* The value to store. |
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*/ |
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protected function store(int $value) { |
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if ($value <= 1 || $value >= $this->items - 1) { |
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$this->buckets[$value]++; |
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return; |
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} |
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$keys = array_slice(array_keys($this->buckets), 1, -1); |
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foreach ($keys as $key) { |
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if ($value < $key) { |
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$this->buckets[$key]++; |
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return; |
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} |
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} |
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} |
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/** |
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* Build a list of the number of entries per collection in the default DB. |
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*/ |
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public function buildCollectionstats() { |
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/** @var \Drupal\mongodb\DatabaseFactory $databaseFactory */ |
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$databaseFactory = $this->getService('mongodb.database_factory'); |
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$database = $databaseFactory->get('default'); |
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$this->initBucketsList(); |
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$collections = $database->listCollections(); |
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foreach ($collections as $collectionInfo) { |
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$name = $collectionInfo->getName(); |
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$collection = $database->selectCollection($name); |
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$count = $collection->count(); |
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if (preg_match('/' . Logger::EVENT_COLLECTIONS_PATTERN . '/', $name)) { |
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$this->store($count); |
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} |
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} |
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} |
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} |
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FGM /
mongodb
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