feature #18716 [Cache] Add nonce based cache invalidation to ApcuAdapter (nicolas-grekas)

This PR was merged into the 3.1-dev branch.

Discussion
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[Cache] Add nonce based cache invalidation to ApcuAdapter

| Q             | A
| ------------- | ---
| Branch?       | 3.1
| Bug fix?      | yes
| New feature?  | yes
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | -
| License       | MIT
| Doc PR        | -

APCu cache invalidation is tedious because it can't be done from the cli.
This PR adds and wires a nonce based cache invalidation strategy to work around this limitation.

Commits
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a7899fe [Cache] Add nonce based cache invalidation to ApcuAdapter

Author: fabpot

DependencyInjection/FrameworkExtension.php

@@ -1037,6 +1037,8 @@ private function registerPropertyInfoConfiguration(array $config, ContainerBuild
 
     private function registerCacheConfiguration(array $config, ContainerBuilder $container, XmlFileLoader $loader)
     {
+        $nonce = substr(str_replace('/', '-', base64_encode(md5(uniqid(mt_rand(), true), true))), 0, -2);
+        $container->getDefinition('cache.adapter.apcu')->replaceArgument(2, $nonce);
         $container->getDefinition('cache.adapter.filesystem')->replaceArgument(2, $config['directory']);
 
         foreach (array('doctrine', 'psr6', 'redis') as $name) {

Resources/config/cache.xml

@@ -27,6 +27,7 @@
             <tag name="monolog.logger" channel="cache" />
             <argument /> <!-- namespace -->
             <argument /> <!-- default lifetime -->
+            <argument /> <!-- nonce -->
             <call method="setLogger">
                 <argument type="service" id="logger" on-invalid="ignore" />
             </call>