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<?php |
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declare(strict_types=1); |
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namespace Lamoda\RedisSentinel; |
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use PSRedis\Client; |
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use PSRedis\MasterDiscovery; |
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class RedisLocator |
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{ |
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/** @var array */ |
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private $redisConfig; |
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/** @var array */ |
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private $redisSentinelConfig; |
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/** @var MasterDiscovery */ |
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private $masterDiscovery; |
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public function __construct(array $redisConfig, array $redisSentinelConfig) |
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{ |
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$this->redisConfig = $redisConfig; |
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$this->redisSentinelConfig = $redisSentinelConfig; |
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$this->masterDiscovery = $this->initMasterDiscovery(); |
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} |
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public function getRedisConfig(): RedisConfig |
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{ |
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$redisConfig = $this->redisConfig; |
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if ($this->masterDiscovery) { |
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/** @var Client $master */ |
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$master = $this->masterDiscovery->getMaster(); |
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$redisConfig['host'] = $master->getIpAddress(); |
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$redisConfig['port'] = (int) $master->getPort(); |
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} |
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return new RedisConfig($redisConfig); |
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} |
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private function initMasterDiscovery(): ?MasterDiscovery |
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{ |
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$urls = trim((string) ($this->redisSentinelConfig['url'] ?? '')); |
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if (empty($urls)) { |
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return null; |
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} |
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$urls = preg_split('/[\s,;]+/', $urls); |
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$masterDiscovery = new MasterDiscovery($this->redisSentinelConfig['redisName']); |
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$backoffStrategy = new MasterDiscovery\BackoffStrategy\Incremental(100, 1.5); |
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$backoffStrategy->setMaxAttempts(10); |
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$masterDiscovery->setBackoffStrategy($backoffStrategy); |
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foreach ($urls as $singleSentinelUrl) { |
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$url = parse_url($singleSentinelUrl); |
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if (false === $url) { |
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throw new \InvalidArgumentException("Invalid Sentinel URL: $singleSentinelUrl"); |
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} |
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$host = $url['host'] ?? $url['path']; |
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$port = $url['port'] ?? 26379; |
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$sentinel = new Client($host, $port); |
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$masterDiscovery->addSentinel($sentinel); |
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} |
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return $masterDiscovery; |
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} |
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} |
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lamoda /
redis-sentinel
