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<?php |
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/** |
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* Class SolrIndexTask|Firesphere\SolrSearch\Tasks\SolrIndexTask Index Solr cores |
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* |
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* @package Firesphere\SolrSearch\Tasks |
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* @author Simon `Firesphere` Erkelens; Marco `Sheepy` Hermo |
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* @copyright Copyright (c) 2018 - now() Firesphere & Sheepy |
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*/ |
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namespace Firesphere\SolrSearch\Tasks; |
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use Exception; |
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use Firesphere\SolrSearch\Factories\DocumentFactory; |
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use Firesphere\SolrSearch\Helpers\SolrLogger; |
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use Firesphere\SolrSearch\Indexes\BaseIndex; |
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use Firesphere\SolrSearch\Services\SolrCoreService; |
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use Firesphere\SolrSearch\States\SiteState; |
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use Firesphere\SolrSearch\Traits\LoggerTrait; |
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use Firesphere\SolrSearch\Traits\SolrIndexTrait; |
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use GuzzleHttp\Exception\GuzzleException; |
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use Psr\Log\LoggerInterface; |
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use ReflectionException; |
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use SilverStripe\Control\Controller; |
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use SilverStripe\Control\Director; |
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use SilverStripe\Control\HTTPRequest; |
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use SilverStripe\Core\Injector\Injector; |
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use SilverStripe\Dev\BuildTask; |
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use SilverStripe\ORM\ArrayList; |
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use SilverStripe\ORM\DataList; |
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use SilverStripe\ORM\DataObject; |
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use SilverStripe\ORM\DB; |
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use SilverStripe\ORM\SS_List; |
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use SilverStripe\ORM\ValidationException; |
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use SilverStripe\Versioned\Versioned; |
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/** |
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* Class SolrIndexTask |
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* |
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* @description Index items to Solr through a tasks |
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* @package Firesphere\SolrSearch\Tasks |
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*/ |
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class SolrIndexTask extends BuildTask |
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{ |
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use LoggerTrait; |
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use SolrIndexTrait; |
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/** |
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* URLSegment of this task |
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* |
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* @var string |
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*/ |
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private static $segment = 'SolrIndexTask'; |
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/** |
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* Store the current states for all instances of SiteState |
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* |
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* @var array |
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*/ |
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public $currentStates; |
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/** |
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* My name |
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* |
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* @var string |
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*/ |
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protected $title = 'Solr Index update'; |
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/** |
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* What do I do? |
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* |
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* @var string |
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*/ |
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protected $description = 'Add or update documents to an existing Solr core.'; |
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/** |
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* SolrIndexTask constructor. Sets up the document factory |
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* |
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* @throws ReflectionException |
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*/ |
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public function __construct() |
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{ |
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parent::__construct(); |
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// Only index live items. |
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// The old FTS module also indexed Draft items. This is unnecessary |
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// If versioned is needed, a separate Versioned Search module is required |
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Versioned::set_reading_mode(Versioned::DEFAULT_MODE); |
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$this->setService(Injector::inst()->get(SolrCoreService::class)); |
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$this->setLogger(Injector::inst()->get(LoggerInterface::class)); |
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$this->setDebug(Director::isDev() || Director::is_cli()); |
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$this->setBatchLength(DocumentFactory::config()->get('batchLength')); |
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$cores = SolrCoreService::config()->get('cpucores') ?: 1; |
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$this->setCores($cores); |
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$currentStates = SiteState::currentStates(); |
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SiteState::setDefaultStates($currentStates); |
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} |
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/** |
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* Implement this method in the task subclass to |
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* execute via the TaskRunner |
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* |
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* @param HTTPRequest $request Current request |
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* @return int|bool |
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* @throws Exception |
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* @throws GuzzleException |
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*/ |
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public function run($request) |
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{ |
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$start = time(); |
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$this->getLogger()->info(date('Y-m-d H:i:s')); |
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list($vars, $group, $isGroup) = $this->taskSetup($request); |
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$groups = 0; |
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$indexes = $this->service->getValidIndexes($request->getVar('index')); |
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foreach ($indexes as $indexName) { |
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/** @var BaseIndex $index */ |
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$index = Injector::inst()->get($indexName, false); |
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$this->setIndex($index); |
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$indexClasses = $this->index->getClasses(); |
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$classes = $this->getClasses($vars, $indexClasses); |
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if (!count($classes)) { |
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continue; |
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} |
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$this->clearIndex($vars); |
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$groups = $this->indexClassForIndex($classes, $isGroup, $group); |
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} |
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$this->getLogger()->info(gmdate('Y-m-d H:i:s')); |
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$time = gmdate('H:i:s', (time() - $start)); |
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$this->getLogger()->info(sprintf('Time taken: %s', $time)); |
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return $groups; |
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} |
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/** |
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* Set up the requirements for this task |
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* |
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* @param HTTPRequest $request Current request |
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* @return array |
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*/ |
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protected function taskSetup($request): array |
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{ |
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$vars = $request->getVars(); |
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$debug = $this->isDebug() || isset($vars['debug']); |
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// Forcefully set the debugging to whatever the outcome of the above is |
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$this->setDebug($debug, true); |
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$group = $vars['group'] ?? 0; |
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$start = $vars['start'] ?? 0; |
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$group = ($start > $group) ? $start : $group; |
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$isGroup = isset($vars['group']); |
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return [$vars, $group, $isGroup]; |
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} |
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/** |
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* get the classes to run for this task execution |
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* |
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* @param array $vars URL GET Parameters |
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* @param array $classes Classes to index |
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* @return bool|array |
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*/ |
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protected function getClasses($vars, array $classes): array |
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{ |
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if (isset($vars['class'])) { |
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return array_intersect($classes, [$vars['class']]); |
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} |
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return $classes; |
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} |
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/** |
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* Clear the given index if a full re-index is needed |
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* |
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* @param array $vars URL GET Parameters |
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* @throws Exception |
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*/ |
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public function clearIndex($vars) |
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{ |
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if (!empty($vars['clear'])) { |
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$this->getLogger()->info(sprintf('Clearing index %s', $this->index->getIndexName())); |
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$this->service->doManipulate(ArrayList::create([]), SolrCoreService::DELETE_TYPE_ALL, $this->index); |
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} |
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} |
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/** |
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* Index the classes for a specific index |
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* |
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* @param array $classes Classes that need indexing |
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* @param bool $isGroup Indexing a specific group? |
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* @param int $group Group to index |
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* @return int |
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* @throws Exception |
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* @throws GuzzleException |
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*/ |
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protected function indexClassForIndex($classes, $isGroup, $group): int |
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{ |
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$groups = 0; |
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foreach ($classes as $class) { |
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$groups = $this->indexClass($isGroup, $class, $group); |
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} |
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return $groups; |
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} |
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/** |
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* Index a single class for a given index. {@link static::indexClassForIndex()} |
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* |
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* @param bool $isGroup Is a specific group indexed |
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* @param string $class Class to index |
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* @param int $group Group to index |
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* @return int |
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* @throws GuzzleException |
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* @throws ValidationException |
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*/ |
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private function indexClass($isGroup, $class, int $group): int |
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{ |
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$this->getLogger()->info(sprintf('Indexing %s for %s', $class, $this->getIndex()->getIndexName())); |
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list($totalGroups, $groups) = $this->getGroupSettings($isGroup, $class, $group); |
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$this->getLogger()->info(sprintf('Total groups %s', $totalGroups)); |
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do { // Run from oldest to newest |
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try { |
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if ($this->hasPCNTL()) { |
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// @codeCoverageIgnoreStart |
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$group = $this->spawnChildren($class, $group, $groups); |
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// @codeCoverageIgnoreEnd |
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} else { |
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$this->doReindex($group, $class); |
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} |
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$group++; |
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} catch (Exception $error) { |
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// @codeCoverageIgnoreStart |
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$this->logException($this->index->getIndexName(), $group, $error); |
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$group++; |
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continue; |
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// @codeCoverageIgnoreEnd |
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} |
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} while ($group <= $groups); |
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return $totalGroups; |
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} |
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/** |
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* Check the amount of groups and the total against the isGroup check. |
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* |
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* @param bool $isGroup Is it a specific group |
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* @param string $class Class to check |
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* @param int $group Current group to index |
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* @return array |
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*/ |
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private function getGroupSettings($isGroup, $class, int $group): array |
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{ |
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$totalGroups = (int)ceil($class::get()->count() / $this->getBatchLength()); |
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$groups = $isGroup ? ($group + $this->getCores() - 1) : $totalGroups; |
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return [$totalGroups, $groups]; |
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} |
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/** |
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* Check if PCNTL is available and/or useable. |
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* The unittest param is from phpunit.xml.dist, meant to bypass the exit(0) call |
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* The pcntl parameter check is for unit tests, but PHPUnit does not support PCNTL (yet) |
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* |
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* @return bool |
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*/ |
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private function hasPCNTL() |
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{ |
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return Director::is_cli() && |
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function_exists('pcntl_fork') && |
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(Controller::curr()->getRequest()->getVar('unittest') === 'pcntl' || |
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!Controller::curr()->getRequest()->getVar('unittest')); |
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} |
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/** |
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* For each core, spawn a child process that will handle a separate group. |
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* This speeds up indexing through CLI massively. |
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* |
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* @codeCoverageIgnore Can't be tested because PCNTL is not available |
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* @param string $class Class to index |
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* @param int $group Group to index |
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* @param int $groups Total amount of groups |
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* @return int Last group indexed |
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* @throws Exception |
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* @throws GuzzleException |
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*/ |
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private function spawnChildren($class, int $group, int $groups): int |
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{ |
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$start = $group; |
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$pids = []; |
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$cores = $this->getCores(); |
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// for each core, start a grouped indexing |
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for ($i = 0; $i < $cores; $i++) { |
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$start = $group + $i; |
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if ($start < $groups) { |
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$this->runForkedChild($class, $pids, $start); |
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} |
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} |
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// Wait for each child to finish |
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// It needs to wait for them independently, |
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// or it runs out of memory for some reason |
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foreach ($pids as $pid) { |
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pcntl_waitpid($pid, $status); |
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} |
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$commit = $this->index->getClient()->createUpdate(); |
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$commit->addCommit(); |
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$this->index->getClient()->update($commit); |
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return $start; |
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} |
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/** |
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* Create a fork and run the child |
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* |
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* @codeCoverageIgnore Can't be tested because PCNTL is not available |
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* @param string $class Class to index |
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* @param array $pids Array of all the child Process IDs |
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* @param int $start Start point for the objects |
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* @return void |
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* @throws GuzzleException |
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* @throws ValidationException |
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*/ |
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320
|
|
|
private function runForkedChild($class, array &$pids, int $start): void |
|
321
|
|
|
{ |
|
322
|
|
|
$pid = pcntl_fork(); |
|
323
|
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|
// PID needs to be pushed before anything else, for some reason |
|
324
|
|
|
$pids[] = $pid; |
|
325
|
|
|
$config = DB::getConfig(); |
|
326
|
|
|
DB::connect($config); |
|
327
|
|
|
$this->runChild($class, $pid, $start); |
|
328
|
|
|
} |
|
329
|
|
|
|
|
330
|
|
|
/** |
|
331
|
|
|
* Ren a single child index operation |
|
332
|
|
|
* |
|
333
|
|
|
* @codeCoverageIgnore Can't be tested because PCNTL is not available |
|
334
|
|
|
* @param string $class Class to index |
|
335
|
|
|
* @param int $pid PID of the child |
|
336
|
|
|
* @param int $start Position to start |
|
337
|
|
|
* @throws GuzzleException |
|
338
|
|
|
* @throws ValidationException |
|
339
|
|
|
* @throws Exception |
|
340
|
|
|
*/ |
|
341
|
|
|
private function runChild($class, int $pid, int $start): void |
|
342
|
|
|
{ |
|
343
|
|
|
if ($pid === 0) { |
|
344
|
|
|
try { |
|
345
|
|
|
$this->doReindex($start, $class, $pid); |
|
346
|
|
|
} catch (Exception $error) { |
|
347
|
|
|
if ($pid !== false) { |
|
348
|
|
|
exit(0); |
|
|
|
|
|
|
349
|
|
|
} |
|
350
|
|
|
SolrLogger::logMessage('ERROR', $error, $this->index->getIndexName()); |
|
351
|
|
|
$msg = sprintf( |
|
352
|
|
|
'Something went wrong while indexing %s on %s, see the logs for details', |
|
353
|
|
|
$start, |
|
354
|
|
|
$this->index->getIndexName() |
|
355
|
|
|
); |
|
356
|
|
|
throw new Exception($msg); |
|
357
|
|
|
} |
|
358
|
|
|
} |
|
359
|
|
|
} |
|
360
|
|
|
|
|
361
|
|
|
/** |
|
362
|
|
|
* Reindex the given group, for each state |
|
363
|
|
|
* |
|
364
|
|
|
* @param int $group Group to index |
|
365
|
|
|
* @param string $class Class to index |
|
366
|
13 |
|
* @param bool|int $pid Are we a child process or not |
|
367
|
|
|
* @throws Exception |
|
368
|
13 |
|
*/ |
|
369
|
13 |
|
private function doReindex($group, $class, $pid = false) |
|
370
|
13 |
|
{ |
|
371
|
|
|
$start = time(); |
|
372
|
|
|
foreach (SiteState::getStates() as $state) { |
|
373
|
13 |
|
if ($state !== 'default' && !empty($state)) { |
|
374
|
|
|
SiteState::withState($state); |
|
375
|
|
|
} |
|
376
|
13 |
|
$this->indexItems($group, $class); |
|
377
|
13 |
|
} |
|
378
|
13 |
|
|
|
379
|
|
|
SiteState::withState(SiteState::DEFAULT_STATE); |
|
380
|
|
|
$end = gmdate('i:s', time() - $start); |
|
381
|
|
|
$this->getLogger()->info(sprintf('Indexed group %s in %s', $group, $end)); |
|
382
|
|
|
|
|
383
|
|
|
// @codeCoverageIgnoreStart |
|
384
|
|
|
if ($pid !== false) { |
|
385
|
13 |
|
exit(0); |
|
|
|
|
|
|
386
|
|
|
} |
|
387
|
|
|
// @codeCoverageIgnoreEnd |
|
388
|
|
|
} |
|
389
|
|
|
|
|
390
|
|
|
/** |
|
391
|
|
|
* Index a group of a class for a specific state and index |
|
392
|
|
|
* |
|
393
|
|
|
* @param string $group Group to index |
|
394
|
13 |
|
* @param string $class Class to index |
|
395
|
|
|
* @throws Exception |
|
396
|
|
|
*/ |
|
397
|
13 |
|
private function indexItems($group, $class): void |
|
398
|
|
|
{ |
|
399
|
13 |
|
// Generate filtered list of local records |
|
400
|
13 |
|
// @todo is the baseDataClass search needed |
|
401
|
13 |
|
$baseClass = DataObject::getSchema()->baseDataClass($class); |
|
402
|
13 |
|
/** @var DataList|DataObject[] $items */ |
|
403
|
1 |
|
$items = DataObject::get($baseClass) |
|
404
|
|
|
->sort('ID ASC') |
|
405
|
13 |
|
->limit($this->getBatchLength(), ($group * $this->getBatchLength())); |
|
406
|
|
|
$this->updateIndex($items); |
|
407
|
|
|
} |
|
408
|
|
|
|
|
409
|
|
|
/** |
|
410
|
|
|
* Execute the update on the client |
|
411
|
|
|
* |
|
412
|
|
|
* @param SS_List $items Items to index |
|
413
|
1 |
|
* @throws Exception |
|
414
|
|
|
*/ |
|
415
|
1 |
|
private function updateIndex($items): void |
|
416
|
1 |
|
{ |
|
417
|
1 |
|
$index = $this->getIndex(); |
|
418
|
1 |
|
$client = $index->getClient(); |
|
419
|
1 |
|
$update = $client->createUpdate(); |
|
420
|
1 |
|
$this->service->setDebug($this->debug); |
|
421
|
1 |
|
$this->service->updateIndex($index, $items, $update); |
|
422
|
|
|
$client->update($update); |
|
423
|
|
|
} |
|
424
|
|
|
|
|
425
|
|
|
/** |
|
426
|
|
|
* Log an exception if it happens. Most are catched, these logs are for the developers |
|
427
|
|
|
* to identify problems and fix them. |
|
428
|
|
|
* |
|
429
|
|
|
* @codeCoverageIgnore This is actually tested through reflection |
|
430
|
|
|
* @param string $index Index that is currently running |
|
431
|
|
|
* @param int $group Group currently attempted to index |
|
432
|
|
|
* @param Exception $exception Exception that's been thrown |
|
433
|
|
|
* @throws GuzzleException |
|
434
|
|
|
* @throws ValidationException |
|
435
|
|
|
*/ |
|
436
|
|
|
private function logException($index, int $group, Exception $exception): void |
|
437
|
|
|
{ |
|
438
|
|
|
$this->getLogger()->error($exception->getMessage()); |
|
439
|
|
|
$msg = sprintf( |
|
440
|
|
|
'Error indexing core %s on group %s,' . PHP_EOL . |
|
441
|
|
|
'Please log in to the CMS to find out more about Indexing errors' . PHP_EOL, |
|
442
|
|
|
$index, |
|
443
|
|
|
$group |
|
444
|
|
|
); |
|
445
|
|
|
SolrLogger::logMessage('ERROR', $msg, $index); |
|
446
|
|
|
} |
|
447
|
|
|
} |
|
448
|
|
|
|
In general, usage of exit should be done with care and only when running in a scripting context like a CLI script.