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[FrameworkBundle] Fix warming up routes #57554

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merged 1 commit into from
Jun 28, 2024
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[FrameworkBundle] Fix warming up routes #57554

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12 changes: 5 additions & 7 deletions src/Symfony/Bundle/FrameworkBundle/Routing/Router.php
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Original file line number Diff line number Diff line change
Expand Up @@ -69,7 +69,7 @@ public function getRouteCollection(): RouteCollection
$this->collection->addResource(new ContainerParametersResource($this->collectedParameters));

try {
$containerFile = ($this->paramFetcher)('kernel.cache_dir').'/'.($this->paramFetcher)('kernel.container_class').'.php';
$containerFile = ($this->paramFetcher)('kernel.build_dir').'/'.($this->paramFetcher)('kernel.container_class').'.php';
if (file_exists($containerFile)) {
$this->collection->addResource(new FileResource($containerFile));
} else {
Expand All @@ -84,14 +84,12 @@ public function getRouteCollection(): RouteCollection

public function warmUp(string $cacheDir, ?string $buildDir = null): array
{
if (!$buildDir) {
return [];
if (null === $currentDir = $this->getOption('cache_dir')) {
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Isn't the CacheWarmer not registered when the caching is disabled for the router ?

And with this change, the Router cache is generated once at build-time and once again if you run cache:warmup, right ?
If you run cache:warmup right after your deploy (thus, on a read-only buildDir), this will either fail or you regenerate the router cache in the cache_dir, which won't be used at all.

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no it's not disabled if you set the router.cache_dir to null (which is the only way since the deprecation of the config option)

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If you run cache:warmup right after your deploy (thus, on a read-only buildDir), this will either fail or you regenerate the router cache in the cache_dir, which won't be used at all.

then, $buildDir will be null so that RouterCacheWarmer won't call this warmup method

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then, $buildDir will be null so that RouterCacheWarmer won't call this warmup method

Ah right, I got caught by the double warming layer of the Router... 👍

return []; // skip warmUp when router doesn't use cache
}

$currentDir = $this->getOption('cache_dir');

// force cache generation in build_dir
$this->setOption('cache_dir', $buildDir);
// force cache generation
$this->setOption('cache_dir', $buildDir ?? $cacheDir);
$this->getMatcher();
$this->getGenerator();

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