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[Cache] Add server-commands support for Predis Replication Environments #40299

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Merged
merged 1 commit into from
Feb 25, 2021
Merged

[Cache] Add server-commands support for Predis Replication Environments #40299

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10 changes: 9 additions & 1 deletion 10 src/Symfony/Component/Cache/Adapter/RedisTagAwareAdapter.php
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Original file line number Diff line number Diff line change
Expand Up @@ -13,6 +13,7 @@

use Predis\Connection\Aggregate\ClusterInterface;
use Predis\Connection\Aggregate\PredisCluster;
use Predis\Connection\Aggregate\ReplicationInterface;
use Predis\Response\Status;
use Symfony\Component\Cache\Exception\InvalidArgumentException;
use Symfony\Component\Cache\Exception\LogicException;
Expand Down Expand Up @@ -278,7 +279,14 @@ private function getRedisEvictionPolicy(): string
return $this->redisEvictionPolicy;
}

foreach ($this->getHosts() as $host) {
$hosts = $this->getHosts();
$host = reset($hosts);
if ($host instanceof \Predis\Client && $host->getConnection() instanceof ReplicationInterface) {
// Predis supports info command only on the master in replication environments
$hosts = [$host->getClientFor('master')];
}

foreach ($hosts as $host) {
$info = $host->info('Memory');
$info = $info['Memory'] ?? $info;

Expand Down
10 changes: 9 additions & 1 deletion 10 src/Symfony/Component/Cache/Traits/RedisTrait.php
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Expand Up @@ -13,6 +13,7 @@

use Predis\Connection\Aggregate\ClusterInterface;
use Predis\Connection\Aggregate\RedisCluster;
use Predis\Connection\Aggregate\ReplicationInterface;
use Predis\Response\Status;
use Symfony\Component\Cache\Exception\CacheException;
use Symfony\Component\Cache\Exception\InvalidArgumentException;
Expand Down Expand Up @@ -367,7 +368,14 @@ protected function doClear($namespace)
$evalArgs = [[$namespace], 0];
}

foreach ($this->getHosts() as $host) {
$hosts = $this->getHosts();
$host = reset($hosts);
if ($host instanceof \Predis\Client && $host->getConnection() instanceof ReplicationInterface) {
// Predis supports info command only on the master in replication environments
$hosts = [$host->getClientFor('master')];
}

foreach ($hosts as $host) {
if (!isset($namespace[0])) {
$cleared = $host->flushDb() && $cleared;
continue;
Expand Down
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