Exception when installing on a project that uses redis via socket (#3471826) · Issues · project / crowdsec

Exception when installing on a project that uses redis via socket

>>> [!note] Migrated issue   Reported by: [anybody](https://www.drupal.org/user/291091) Related to !15 >>> <h3 id="summary-problem-motivation">Problem/Motivation</h3> Crowdsec question / feature request regarding socket connections: <a href="https://github.com/crowdsecurity/crowdsec/issues/3981">https://github.com/crowdsecurity/crowdsec/issues/3981</a> Installing this in a project that already uses redis causes the following exception right after <code>drush en crowdsec</code>: <pre>The website encountered an unexpected error. Try again later. CrowdSec\RemediationEngine\CacheStorage\CacheStorageException: Error when creating Redis cache adapter:Redis connection failed: No such file or directory in CrowdSec\RemediationEngine\CacheStorage\Redis->__construct() (line 35 of /vendor/crowdsec/remediation-engine/src/CacheStorage/Redis.php). CrowdSec\RemediationEngine\CacheStorage\Redis->__construct() (Line: 183) Drupal\crowdsec\Client->cache() (Line: 133) Drupal\crowdsec\Client->remediation() (Line: 160) Drupal\crowdsec\Client->verifyIp() (Line: 87) Drupal\crowdsec\Middleware->handle() (Line: 48) Drupal\Core\StackMiddleware\ReverseProxyMiddleware->handle() (Line: 51) Drupal\Core\StackMiddleware\NegotiationMiddleware->handle() (Line: 36) Drupal\Core\StackMiddleware\AjaxPageState->handle() (Line: 49) Drupal\remove_http_headers\StackMiddleware\RemoveHttpHeadersMiddleware->handle() (Line: 51) Drupal\Core\StackMiddleware\StackedHttpKernel->handle() (Line: 741) Drupal\Core\DrupalKernel->handle() (Line: 19)</pre><h4 id="summary-steps-reproduce">Steps to reproduce</h4> As we found out below, the reason is that we're connecting through a socket! See above and here's my settings.redis.php: <pre><?php use Drupal\Core\Installer\InstallerKernel; // Either copy the content of this file into an existing settings.php file or // create as e.g. settings.redis.php and include it, then customize. See // README.md and client specific README files for more information. // Adjust extension check or remove, prevents configuring Redis before // Drupal is installed or on an environment where the used client is not // available. if (!InstallerKernel::installationAttempted() && extension_loaded('redis')) {   // Customize host and port.   // $settings['redis.connection']['host'] = '127.0.0.1';   // $settings['redis.connection']['port'] = 6379;   // Old Hetzner redis via cron:   // $settings['redis.connection']['host']      = '127.0.0.1';  // Your Redis instance hostname.   // $settings['redis.connection']['port']      = '6379';  // Redis port   // New Hetzner redis via UI:   $settings['redis.connection']['host']      = '/run/redis_me/redis.sock';  // Your Redis instance hostname.   $settings['redis.connection']['port']      = 0;  // Redis port   // Customize used interface.   // $settings['redis.connection']['interface'] = 'PhpRedis';   // Set Redis as the default backend for any cache bin not otherwise specified.   $settings['cache']['default'] = 'cache.backend.redis';   // Per-bin configuration examples, bypass the default ChainedFastBackend.   // *Only* use this when using Relay (see README.Relay.md) or when APCu is not   // available.   // $settings['cache']['bins']['config'] = 'cache.backend.redis';   // $settings['cache']['bins']['discovery'] = 'cache.backend.redis';   // $settings['cache']['bins']['bootstrap'] = 'cache.backend.redis';   // Use compression for cache entries longer than the specified limit.   $settings['redis_compress_length'] = 100;   // Customize the prefix, a reliable but long fallback is used if not defined.   // $settings['cache_prefix'] = 'prefix';   $settings['cache_prefix'] = 'redisme_';   // Apply changes to the container configuration to better leverage Redis.   // This includes using Redis for the lock and flood control systems, as well   // as the cache tag checksum. Alternatively, copy the contents of that file   // to your project-specific services.yml file, modify as appropriate, and   // remove this line.   // $settings['container_yamls'][] = 'modules/contrib/redis/example.services.yml';   $settings['container_yamls'][] = 'sites/default/redis.services.yml';   // Allow the services to work before the Redis module itself is enabled.   $settings['container_yamls'][] = 'modules/contrib/redis/redis.services.yml';   // Manually add the classloader path, this is required for the container cache   // bin definition below and allows to use it without the redis module being   // enabled.   $class_loader->addPsr4('Drupal\\redis\\', 'modules/contrib/redis/src');   // Use redis for container cache.   // The container cache is used to load the container definition itself, and   // thus any configuration stored in the container itself is not available   // yet. These lines force the container cache to use Redis rather than the   // default SQL cache.   $settings['bootstrap_container_definition'] = [     'parameters' => [],     'services' => [       'redis.factory' => [         'class' => 'Drupal\redis\ClientFactory',       ],       'cache.backend.redis' => [         'class' => 'Drupal\redis\Cache\CacheBackendFactory',         'arguments' => ['@redis.factory', '@cache_tags_provider.container', '@serialization.phpserialize'],       ],       'cache.container' => [         'class' => '\Drupal\redis\Cache\PhpRedis',         'factory' => ['@cache.backend.redis', 'get'],         'arguments' => ['container'],       ],       'cache_tags_provider.container' => [         'class' => 'Drupal\redis\Cache\RedisCacheTagsChecksum',         'arguments' => ['@redis.factory'],       ],       'serialization.phpserialize' => [         'class' => 'Drupal\Component\Serialization\PhpSerialize',       ],     ],   ]; }</pre><h3 id="summary-proposed-resolution">Proposed resolution</h3> <h3 id="summary-remaining-tasks">Remaining tasks</h3> <h3 id="summary-ui-changes">User interface changes</h3> <h3 id="summary-api-changes">API changes</h3> <h3 id="summary-data-model-changes">Data model changes</h3>

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