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[Configuration] Actual code example for Multiple Kernels #15407

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Jul 27, 2021
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[Configuration] Actual code example for Multiple Kernels #15407

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38 changes: 18 additions & 20 deletions configuration/multiple_kernels.rst
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Original file line number Diff line number Diff line change
Expand Up @@ -82,9 +82,10 @@ Kernel. Be sure to also change the location of the cache, logs and configuration
files so they don't collide with the files from ``src/Kernel.php``::

// src/ApiKernel.php
use Symfony\Component\Config\Loader\LoaderInterface;
use Symfony\Component\DependencyInjection\ContainerBuilder;
use Symfony\Component\HttpKernel\Kernel;
use Symfony\Bundle\FrameworkBundle\Kernel\MicroKernelTrait;
use Symfony\Component\DependencyInjection\Loader\Configurator\ContainerConfigurator;
use Symfony\Component\HttpKernel\Kernel as BaseKernel;
use Symfony\Component\Routing\Loader\Configurator\RoutingConfigurator;

class ApiKernel extends Kernel
{
Expand All @@ -101,36 +102,33 @@ files so they don't collide with the files from ``src/Kernel.php``::
}
}

public function getProjectDir(): string
{
return \dirname(__DIR__);
}

public function getCacheDir(): string
{
return $this->getProjectDir().'/var/cache/api/'.$this->getEnvironment();
return $this->getProjectDir().'/var/cache/api/'.$this->environment;
}

public function getLogDir(): string
{
return $this->getProjectDir().'/var/log/api';
}

public function configureContainer(ContainerBuilder $container, LoaderInterface $loader)
protected function configureContainer(ContainerConfigurator $container): void
{
$container->addResource(new FileResource($this->getProjectDir().'/config/api_bundles.php'));
$container->setParameter('container.dumper.inline_factories', true);
$confDir = $this->getProjectDir().'/config/api';

$loader->load($confDir.'/{packages}/*'.self::CONFIG_EXTS, 'glob');
$loader->load($confDir.'/{packages}/'.$this->environment.'/*'.self::CONFIG_EXTS, 'glob');
$loader->load($confDir.'/{services}'.self::CONFIG_EXTS, 'glob');
$loader->load($confDir.'/{services}_'.$this->environment.self::CONFIG_EXTS, 'glob');
$container->import('../config/api/{packages}/*.yaml');
$container->import('../config/api/{packages}/'.$this->environment.'/*.yaml');

if (is_file(\dirname(__DIR__).'/config/api/services.yaml')) {
$container->import('../config/api/services.yaml');
$container->import('../config/api/{services}_'.$this->environment.'.yaml');
} else {
$container->import('../config/api/{services}.php');
}
}

protected function configureRoutes(RouteCollectionBuilder $routes): void
protected function configureRoutes(RoutingConfigurator $routes): void
{
$confDir = $this->getProjectDir().'/config/api';
$routes->import('../config/api/{routes}/'.$this->environment.'/*.yaml');
$routes->import('../config/api/{routes}/*.yaml');
// ... load only the config routes strictly needed for the API
}
}
Expand Down