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<?php
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
declare(strict_types=1);
namespace Magento\OpenSearch\Model;
use Magento\AdvancedSearch\Model\Client\ClientInterface;
use Magento\Elasticsearch\Model\Adapter\FieldsMappingPreprocessorInterface;
use Magento\Framework\App\ObjectManager;
use Magento\Framework\Exception\LocalizedException;
use Magento\OpenSearch\Model\Adapter\DynamicTemplatesProvider;
use OpenSearch\Client;
use OpenSearch\ClientBuilder;
class SearchClient implements ClientInterface
{
/**
* @var array
*/
private $clientOptions;
/**
* Client instances
*
* @var Client[]
*/
private $client;
/**
* @var bool
*/
private $pingResult;
/**
* @var FieldsMappingPreprocessorInterface[]
*/
private $fieldsMappingPreprocessors;
/**
* @var DynamicTemplatesProvider|null
*/
public $dynamicTemplatesProvider;
/**
* Initialize Client
*
* @param array $options
* @param Client|null $openSearchClient
* @param array $fieldsMappingPreprocessors
* @param DynamicTemplatesProvider|null $dynamicTemplatesProvider
* @throws LocalizedException
*/
public function __construct(
$options = [],
$openSearchClient = null,
$fieldsMappingPreprocessors = [],
?DynamicTemplatesProvider $dynamicTemplatesProvider = null
) {
if (empty($options['hostname'])
|| ((!empty($options['enableAuth']) && ($options['enableAuth'] == 1))
&& (empty($options['username']) || empty($options['password'])))
) {
throw new LocalizedException(
__('The search failed because of a search engine misconfiguration.')
);
}
// phpstan:ignore
if ($openSearchClient instanceof Client) {
$this->client[getmypid()] = $openSearchClient;
}
$this->clientOptions = $options;
$this->fieldsMappingPreprocessors = $fieldsMappingPreprocessors;
$this->dynamicTemplatesProvider = $dynamicTemplatesProvider ?: ObjectManager::getInstance()
->get(DynamicTemplatesProvider::class);
}
/**
* Execute suggest query for OpenSearch
*
* @param array $query
* @return array
*/
public function suggest(array $query): array
{
return $this->getOpenSearchClient()->suggest($query);
}
/**
* Get OS Client
*
* @return Client
*/
public function getOpenSearchClient(): Client
{
$pid = getmypid();
if (!isset($this->client[$pid])) {
$config = $this->buildOSConfig($this->clientOptions);
$this->client[$pid] = ClientBuilder::fromConfig($config, true);
}
return $this->client[$pid];
}
/**
* Ping the client
*
* @return bool
*/
public function ping(): bool
{
if ($this->pingResult === null) {
$this->pingResult = $this->getOpenSearchClient()
->ping(['client' => ['timeout' => $this->clientOptions['timeout']]]);
}
return $this->pingResult;
}
/**
* Validate connection params for OpenSearch
*
* @return bool
*/
public function testConnection(): bool
{
return $this->ping();
}
/**
* Build config for OpenSearch
*
* @param array $options
* @return array
*/
private function buildOSConfig(array $options = []): array
{
$hostname = preg_replace('/http[s]?:\/\//i', '', $options['hostname']);
// @codingStandardsIgnoreStart
$protocol = parse_url($options['hostname'], PHP_URL_SCHEME);
// @codingStandardsIgnoreEnd
if (!$protocol) {
$protocol = 'http';
}
$authString = '';
if (!empty($options['enableAuth']) && (int)$options['enableAuth'] === 1) {
$authString = "{$options['username']}:{$options['password']}@";
}
$portString = '';
if (!empty($options['port'])) {
$portString = ':' . $options['port'];
}
$host = $protocol . '://' . $authString . $hostname . $portString;
$options['hosts'] = [$host];
return $options;
}
/**
* Performs bulk query over OpenSearch index
*
* @param array $query
* @return void
*/
public function bulkQuery(array $query)
{
$this->getOpenSearchClient()->bulk($query);
}
/**
* Creates an OpenSearch index.
*
* @param string $index
* @param array $settings
* @return void
*/
public function createIndex(string $index, array $settings)
{
$this->getOpenSearchClient()->indices()->create(
[
'index' => $index,
'body' => $settings,
]
);
}
/**
* Add/update an Elasticsearch index settings.
*
* @param string $index
* @param array $settings
* @return void
*/
public function putIndexSettings(string $index, array $settings): void
{
$this->getOpenSearchClient()->indices()->putSettings(
[
'index' => $index,
'body' => $settings,
]
);
}
/**
* Delete an OpenSearch index.
*
* @param string $index
* @return void
*/
public function deleteIndex(string $index)
{
$this->getOpenSearchClient()->indices()->delete(['index' => $index]);
}
/**
* Check if index is empty.
*
* @param string $index
* @return bool
*/
public function isEmptyIndex(string $index): bool
{
$stats = $this->getOpenSearchClient()->indices()->stats(['index' => $index, 'metric' => 'docs']);
if ($stats['indices'][$index]['primaries']['docs']['count'] === 0) {
return true;
}
return false;
}
/**
* Updates alias.
*
* @param string $alias
* @param string $newIndex
* @param string $oldIndex
* @return void
*/
public function updateAlias(string $alias, string $newIndex, string $oldIndex = '')
{
$params = [
'body' => [
'actions' => [],
],
];
if ($oldIndex) {
$params['body']['actions'][] = ['remove' => ['alias' => $alias, 'index' => $oldIndex]];
}
if ($newIndex) {
$params['body']['actions'][] = ['add' => ['alias' => $alias, 'index' => $newIndex]];
}
$this->getOpenSearchClient()->indices()->updateAliases($params);
}
/**
* Checks whether OpenSearch index exists
*
* @param string $index
* @return bool
*/
public function indexExists(string $index): bool
{
return $this->getOpenSearchClient()->indices()->exists(['index' => $index]);
}
/**
* Exists alias.
*
* @param string $alias
* @param string $index
* @return bool
*/
public function existsAlias(string $alias, string $index = ''): bool
{
$params = ['name' => $alias];
if ($index) {
$params['index'] = $index;
}
return $this->getOpenSearchClient()->indices()->existsAlias($params);
}
/**
* Get alias.
*
* @param string $alias
* @return array
*/
public function getAlias(string $alias): array
{
return $this->getOpenSearchClient()->indices()->getAlias(['name' => $alias]);
}
/**
* Add mapping to OpenSearch index
*
* @param array $fields
* @param string $index
* @param string $entityType
* @return void
*/
public function addFieldsMapping(array $fields, string $index, string $entityType)
{
$params = [
'index' => $index,
'type' => $entityType,
'include_type_name' => true,
'body' => [
$entityType => [
'properties' => [],
'dynamic_templates' => $this->dynamicTemplatesProvider->getTemplates(),
],
],
];
foreach ($this->applyFieldsMappingPreprocessors($fields) as $field => $fieldInfo) {
$params['body'][$entityType]['properties'][$field] = $fieldInfo;
}
$this->getOpenSearchClient()->indices()->putMapping($params);
}
/**
* Execute search by $query
*
* @param array $query
* @return array
*/
public function query(array $query): array
{
return $this->getOpenSearchClient()->search($query);
}
/**
* Get mapping from Elasticsearch index.
*
* @param array $params
* @return array
*/
public function getMapping(array $params): array
{
return $this->getOpenSearchClient()->indices()->getMapping($params);
}
/**
* Delete mapping in OpenSearch index
*
* @param string $index
* @param string $entityType
* @return void
*/
public function deleteMapping(string $index, string $entityType)
{
$this->getOpenSearchClient()->indices()->deleteMapping(
[
'index' => $index,
'type' => $entityType,
]
);
}
/**
* Apply fields mapping preprocessors
*
* @param array $properties
* @return array
*/
public function applyFieldsMappingPreprocessors(array $properties): array
{
foreach ($this->fieldsMappingPreprocessors as $preprocessor) {
$properties = $preprocessor->process($properties);
}
return $properties;
}
}