Middleware (#6)

* MiddlewareInterface

src/Core/Container/ContainerMaker.php

@@ -6,15 +6,30 @@
 use Dealroadshow\K8S\Data\Container;
 use Dealroadshow\K8S\Framework\App\AppInterface;
 use Dealroadshow\K8S\Framework\Core\Container\Env\EnvConfigurator;
+use Dealroadshow\K8S\Framework\Core\Container\Image\Image;
 use Dealroadshow\K8S\Framework\Core\Container\Lifecycle\LifecycleConfigurator;
 use Dealroadshow\K8S\Framework\Core\Container\Lifecycle\Probes\ProbesConfigurator;
 use Dealroadshow\K8S\Framework\Core\Container\Ports\PortsConfigurator;
 use Dealroadshow\K8S\Framework\Core\Container\Resources\ResourcesConfigurator;
 use Dealroadshow\K8S\Framework\Core\Container\Security\SecurityContextConfigurator;
 use Dealroadshow\K8S\Framework\Core\Container\VolumeMount\VolumeMountsConfigurator;
+use Dealroadshow\K8S\Framework\Middleware\ContainerImageMiddlewareInterface;
 
 class ContainerMaker
 {
+    /**
+     * @var ContainerImageMiddlewareInterface[]|iterable
+     */
+    private iterable $middlewares;
+
+    /**
+     * @param ContainerImageMiddlewareInterface[] $middlewares
+     */
+    public function __construct(iterable $middlewares)
+    {
+        $this->middlewares = $middlewares;
+    }
+
     public function make(ContainerInterface $builder, VolumeList $volumes, AppInterface $app): Container
     {
         $container = new Container($builder->name());
@@ -44,7 +59,9 @@ public function make(ContainerInterface $builder, VolumeList $volumes, AppInterf
         );
         $builder->probes($probes);
 
-        $container->setImage($builder->image()->fullName());
+        $image = $builder->image();
+        $this->applyMiddlewares($image, $app);
+        $container->setImage($image->fullName());
         $pullPolicy = $builder->imagePullPolicy();
         if (null !== $pullPolicy) {
             $container->setImagePullPolicy($pullPolicy->toString());
@@ -62,4 +79,11 @@ public function make(ContainerInterface $builder, VolumeList $volumes, AppInterf
 
         return $container;
     }
+
+    private function applyMiddlewares(Image $image, AppInterface $app)
+    {
+        foreach ($this->middlewares as $middleware) {
+            $middleware->apply($image, $app);
+        }
+    }
 }

src/Core/ManifestProcessor.php

@@ -13,7 +13,7 @@ class ManifestProcessor
     private iterable $makers;
 
     /**
-     * @param ResourceMakerInterface[]|iterable
+     * @param ResourceMakerInterface[] $makers
      */
     public function __construct(iterable $makers)
     {

src/Middleware/ContainerImageMiddlewareInterface.php

@@ -0,0 +1,12 @@
+<?php
+
+namespace Dealroadshow\K8S\Framework\Middleware;
+
+use Dealroadshow\K8S\Framework\App\AppInterface;
+use Dealroadshow\K8S\Framework\Core\Container\Image\Image;
+
+interface ContainerImageMiddlewareInterface
+{
+    public function apply(Image $image, AppInterface $app): void;
+    public function priority(): int;
+}