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Adds support for redis authentication, and fixes redis defaults formatting #3

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Adds support for redis authentication, and fixes redis defaults formatting #3

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be8a664
Adds support for redis authentication, and fixes redis defaults forma…
bryangruneberg Jul 10, 2024
f51ed53
Update assets/all.settings.php
bryangruneberg Nov 12, 2024
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58 changes: 35 additions & 23 deletions assets/all.settings.php
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Original file line number Diff line number Diff line change
Expand Up @@ -34,26 +34,38 @@
$redis = new \Redis();
$redis_host = getenv('REDIS_HOST') ?: 'redis';
$redis_port = getenv('REDIS_SERVICE_PORT') ?: 6379;
$redis_password = getenv('REDIS_PASSWORD') ?: '';

try {
# Do not use the cache during installations of Drupal.
if (InstallerKernel::installationAttempted()) {
throw new \Exception('Drupal installation underway.');
throw new \Exception('Drupal installation underway.');
}

# Use a timeout to ensure that if the Redis pod is down, that Drupal will
# continue to function.
if ($redis->connect($redis_host, $redis_port, 1) === FALSE) {
throw new \Exception('Redis server unreachable.');
throw new \Exception('Redis server unreachable.');
}


# Authenticate with the password if provided
if (!empty($redis_password)) {
if ($redis->auth($redis_password) === FALSE) {
throw new \Exception('Redis authentication failed');
}
}

$response = $redis->ping();
if (!$response) {
throw new \Exception('Redis could be reached but is not responding correctly.');
throw new \Exception('Redis could be reached but is not responding correctly.');
}

$settings['redis.connection']['interface'] = 'PhpRedis';
$settings['redis.connection']['host'] = $redis_host;
$settings['redis.connection']['port'] = $redis_port;
if (!empty($redis_password)) {
$settings['redis.connection']['password'] = $redis_password;
}
$settings['cache_prefix']['default'] = getenv('REDIS_CACHE_PREFIX') ?: getenv('LAGOON_PROJECT') . '_' . getenv('LAGOON_GIT_SAFE_BRANCH');

$settings['cache']['default'] = 'cache.backend.redis';
Expand All @@ -79,29 +91,29 @@
'parameters' => [],
'services' => [
'redis.factory' => [
'class' => 'Drupal\redis\ClientFactory',
'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',
'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',
],
],
],
];
];
}
catch (\Exception $error) {
$settings['container_yamls'][] = 'sites/default/redis-unavailable.services.yml';
$settings['cache']['default'] = 'cache.backend.null';
$settings['container_yamls'][] = 'sites/default/redis-unavailable.services.yml';
$settings['cache']['default'] = 'cache.backend.null';
}
}