feature symfony#53091 [FrameworkBundle][RateLimiter] add rate_limiter tag to rate limiter services (kbond)

This PR was merged into the 7.1 branch.

Discussion
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[FrameworkBundle][RateLimiter] add `rate_limiter` tag to rate limiter services

| Q             | A
| ------------- | ---
| Branch?       | 7.1
| Bug fix?      | no
| New feature?  | yes
| Deprecations? | no
| Issues        | Fix symfony#52516
| License       | MIT

This will allow creating tagged iterators/locators containing all registered rate limiters (indexed by their name).

Commits
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8706f84 [RateLimiter][FrameworkBundle] add `rate_limiter` tag to rate limiter services

Author: fabpot

src/Symfony/Bundle/FrameworkBundle/CHANGELOG.md

@@ -6,6 +6,7 @@ CHANGELOG
 
  * Move the Router `cache_dir` to `kernel.build_dir`
  * Deprecate the `router.cache_dir` config option
+ * Add `rate_limiter` tags to rate limiter services
 
 7.0
 ---

src/Symfony/Bundle/FrameworkBundle/DependencyInjection/FrameworkExtension.php

@@ -2861,7 +2861,8 @@ private function registerRateLimiterConfiguration(array $config, ContainerBuilde
             // default configuration (when used by other DI extensions)
             $limiterConfig += ['lock_factory' => 'lock.factory', 'cache_pool' => 'cache.rate_limiter'];
 
-            $limiter = $container->setDefinition($limiterId = 'limiter.'.$name, new ChildDefinition('limiter'));
+            $limiter = $container->setDefinition($limiterId = 'limiter.'.$name, new ChildDefinition('limiter'))
+                ->addTag('rate_limiter', ['name' => $name]);
 
             if (null !== $limiterConfig['lock_factory']) {
                 if (!interface_exists(LockInterface::class)) {

src/Symfony/Bundle/FrameworkBundle/Tests/DependencyInjection/PhpFrameworkExtensionTest.php

@@ -245,4 +245,24 @@ public function testRateLimiterLockFactory()
 
         $container->getDefinition('limiter.without_lock')->getArgument(2);
     }
+
+    public function testRateLimiterIsTagged()
+    {
+        $container = $this->createContainerFromClosure(function (ContainerBuilder $container) {
+            $container->loadFromExtension('framework', [
+                'annotations' => false,
+                'http_method_override' => false,
+                'handle_all_throwables' => true,
+                'php_errors' => ['log' => true],
+                'lock' => true,
+                'rate_limiter' => [
+                    'first' => ['policy' => 'fixed_window', 'limit' => 10, 'interval' => '1 hour'],
+                    'second' => ['policy' => 'fixed_window', 'limit' => 10, 'interval' => '1 hour'],
+                ],
+            ]);
+        });
+
+        $this->assertSame('first', $container->getDefinition('limiter.first')->getTag('rate_limiter')[0]['name']);
+        $this->assertSame('second', $container->getDefinition('limiter.second')->getTag('rate_limiter')[0]['name']);
+    }
 }