#117067 Доработка редис на yii проектах RedisSentinel

2025-09-12 13:45:10 +03:00
parent c20f00cc2a
commit a7bb060bbd
5 changed files with 685 additions and 72 deletions
--- a/SentinelConnection.php
+++ b/SentinelConnection.php
@@ -0,0 +1,148 @@
+<?php
+
+namespace dominion\cache;
+
+use Yii;
+use yii\helpers\Inflector;
+use Redis;
+use RedisException;
+use RedisSentinel;
+
+class SentinelConnection extends Connection
+{
+    /**
+     * Команды достапные на любой ноде master или slave
+     * @var array
+     */
+    public $redisSlaveCommands = [
+        'GET',
+        'HGET',
+        //нужно перечислить все, но пока так
+    ];
+
+    public $slaves = [];
+
+    public function executeCommand($name, $params = [])
+    {
+        $this->open();
+        Yii::debug("Executing Redis Command: {$name} " . var_export($params, true), __METHOD__);
+
+        $redis = $this->redis; //мастер
+        $redisCommand = strtoupper(Inflector::camel2words($name, false));
+        if (in_array($redisCommand, $this->redisSlaveCommands))
+        {
+            if(!empty($this->slaves))
+            {
+                //читаем из произвольного раба
+                $redis = $this->slaves[array_rand($this->slaves)];
+            }
+        }
+
+        return $redis->{$name}(...$params);
+    }
+
+    protected function isValidServer(mixed $server): bool
+    {
+        return is_array($server) && isset($server['ip']) && isset($server['port']);
+    }
+
+    public function createClient(array $config): Redis
+    {
+        $service = $config['sentinel_service'] ?? 'mymaster';
+
+        $hosts = is_array($config['sentinel_host']) ? $config['sentinel_host'] : [$config['sentinel_host']];
+        foreach ($hosts as $host)
+        {
+            $newConfig = $config;
+            $newConfig['sentinel_host'] = $host;
+            $sentinel = $this->connectToSentinel($newConfig);
+
+            if ($sentinel->ping())
+            {
+                break;
+            }
+        }
+        $master = $sentinel->master($service);
+        if (!$this->isValidServer($master))
+        {
+            throw new RedisException(sprintf("No master found for service '%s'.", $service));
+        }
+        $slaves = $sentinel->slaves($service);
+        foreach ($slaves as $slave)
+        {
+            if ($this->isValidServer($slave))
+            {
+                //могут быть проблемв из-за большого количества подключений
+                $this->slaves[] = parent::createClient(array_merge($config, [
+                    'host' => $slave['ip'],
+                    'port' => $slave['port'],
+                ]));
+            }
+        }
+
+        return parent::createClient(array_merge($config, [
+                'host' => $master['ip'],
+                'port' => $master['port'],
+        ]));
+    }
+
+    private function connectToSentinel(array $config): RedisSentinel
+    {
+        $host = $config['sentinel_host'] ?? '';
+        $port = $config['sentinel_port'] ?? 26379;
+        $timeout = $config['sentinel_timeout'] ?? 0.2;
+        $persistent = $config['sentinel_persistent'] ?? null;
+        $retryInterval = $config['sentinel_retry_interval'] ?? 0;
+        $readTimeout = $config['sentinel_read_timeout'] ?? 0;
+        $username = $config['sentinel_username'] ?? '';
+        $password = $config['sentinel_password'] ?? '';
+        $ssl = $config['sentinel_ssl'] ?? null;
+
+        if (strlen(trim($host)) === 0)
+        {
+            throw new ConfigurationException('No host has been specified for the Redis Sentinel connection.');
+        }
+
+        $auth = null;
+        if (strlen(trim($username)) !== 0 && strlen(trim($password)) !== 0)
+        {
+            $auth = [$username, $password];
+        }
+        elseif (strlen(trim($password)) !== 0)
+        {
+            $auth = $password;
+        }
+
+        if (version_compare(phpversion('redis'), '6.0', '>='))
+        {
+            $options = [
+                'host' => $host,
+                'port' => $port,
+                'connectTimeout' => $timeout,
+                'persistent' => $persistent,
+                'retryInterval' => $retryInterval,
+                'readTimeout' => $readTimeout,
+            ];
+
+            if ($auth !== null)
+            {
+                $options['auth'] = $auth;
+            }
+
+            if (version_compare(phpversion('redis'), '6.1', '>=') && $ssl !== null)
+            {
+                $options['ssl'] = $ssl;
+            }
+
+            return new RedisSentinel($options);
+        }
+
+        if ($auth !== null)
+        {
+            /** @noinspection PhpMethodParametersCountMismatchInspection */
+            return new RedisSentinel($host, $port, $timeout, $persistent, $retryInterval, $readTimeout, $auth);
+        }
+
+        return new RedisSentinel($host, $port, $timeout, $persistent, $retryInterval, $readTimeout);
+    }
+}