Fix Swagger caching issue, caused that Async Swagger and Usual Swagger are using the same cache key

Author: nuzil

app/code/Magento/Webapi/Model/ServiceMetadata.php

@@ -79,6 +79,11 @@ class ServiceMetadata
      */
     private $serializer;
 
+    /**
+     * @var string
+     */
+    private $routesConfigCacheId;
+
     /**
      * Initialize dependencies.
      *
@@ -100,6 +105,7 @@ public function __construct(
         $this->classReflector = $classReflector;
         $this->typeProcessor = $typeProcessor;
         $this->serializer = $serializer ?: ObjectManager::getInstance()->get(SerializerInterface::class);
+        $this->routesConfigCacheId = self::ROUTES_CONFIG_CACHE_ID;
     }
 
     /**
@@ -267,7 +273,7 @@ public function getRouteMetadata($serviceName)
     public function getRoutesConfig()
     {
         if (null === $this->routes) {
-            $routesConfig = $this->cache->load(self::ROUTES_CONFIG_CACHE_ID);
+            $routesConfig = $this->cache->load($this->routesConfigCacheId);
             $typesData = $this->cache->load(self::REFLECTED_TYPES_CACHE_ID);
             if ($routesConfig && is_string($routesConfig) && $typesData && is_string($typesData)) {
                 $this->routes = $this->serializer->unserialize($routesConfig);
@@ -276,7 +282,7 @@ public function getRoutesConfig()
                 $this->routes = $this->initRoutesMetadata();
                 $this->cache->save(
                     $this->serializer->serialize($this->routes),
-                    self::ROUTES_CONFIG_CACHE_ID
+                    $this->routesConfigCacheId
                 );
                 $this->cache->save(
                     $this->serializer->serialize($this->typeProcessor->getTypesData()),
@@ -287,6 +293,17 @@ public function getRoutesConfig()
         return $this->routes;
     }
 
+    /**
+     * Set Routes Config Cache ID
+     *
+     * @param string $routesConfigCacheId
+     */
+    public function setRoutesConfigCacheId($routesConfigCacheId){
+
+        $this->routesConfigCacheId = $routesConfigCacheId;
+
+    }
+
     /**
      * Collect the list of services with routes and request types for use in REST.
      *

app/code/Magento/WebapiAsync/Plugin/ServiceMetadata.php

@@ -15,6 +15,9 @@
 
 class ServiceMetadata
 {
+
+    const ASYNC_ROUTES_CONFIG_CACHE_ID = 'async-routes-services-config';
+
     /**
      * @var \Magento\Webapi\Model\Config
      */
@@ -272,4 +275,17 @@ private function getResponseDefinitionReplacement()
 
         return $this->responseDefinitionReplacement;
     }
+
+    /**
+     * Plugin to change config cache id for Asynchronous operations
+     *
+     * @return null
+     */
+    public function beforeGetRoutesConfig(\Magento\Webapi\Model\ServiceMetadata $subject)
+    {
+        if ($this->asynchronousSchemaRequestProcessor->canProcess($this->request)) {
+            $subject->setRoutesConfigCacheId(self::ASYNC_ROUTES_CONFIG_CACHE_ID);
+        }
+        return null;
+    }
 }