integrate dynamodb cache and session driver

src/Illuminate/Cache/CacheManager.php

@@ -4,6 +4,7 @@
 
 use Closure;
 use InvalidArgumentException;
+use Aws\DynamoDb\DynamoDbClient;
 use Illuminate\Contracts\Cache\Store;
 use Illuminate\Contracts\Cache\Factory as FactoryContract;
 use Illuminate\Contracts\Events\Dispatcher as DispatcherContract;
@@ -216,6 +217,35 @@ protected function createDatabaseDriver(array $config)
         );
     }
 
+    /**
+     * Create an instance of the DynamoDB cache driver.
+     *
+     * @param  array  $config
+     * @return \Illuminate\Cache\DynamoDbStore
+     */
+    protected function createDynamodbDriver(array $config)
+    {
+        $dynamo = DynamoDbClient::factory([
+            'region' => $config['region'],
+            'version' => 'latest',
+            'credentials' => array_filter([
+                'key' => $config['key'] ?? null,
+                'secret' => $config['secret'] ?? null,
+                'token' => $config['token'] ?? null,
+            ]),
+        ]);
+
+        return $this->repository(
+            new DynamoDbStore(
+                $dynamo,
+                $config['table'],
+                $config['attributes']['key'] ?? 'key',
+                $config['attributes']['value'] ?? 'value',
+                $config['attributes']['expiration'] ?? 'expires_at'
+            )
+        );
+    }
+
     /**
      * Create a new cache repository with the given implementation.
      *

src/Illuminate/Cache/DynamoDbLock.php

@@ -0,0 +1,53 @@
+<?php
+
+namespace Illuminate\Cache;
+
+use Illuminate\Cache\Lock;
+use Aws\DynamoDb\DynamoDbClient;
+
+class DynamoDbLock extends Lock
+{
+    /**
+     * The DynamoDB client instance.
+     *
+     * @var \Illuminate\Cache\DynamoDbStore
+     */
+    protected $dynamo;
+
+    /**
+     * Create a new lock instance.
+     *
+     * @param  \Illuminate\Cache\DynamoDbStore  $dynamo
+     * @param  string  $name
+     * @param  int  $seconds
+     * @return void
+     */
+    public function __construct(DynamoDbStore $dynamo, $name, $seconds)
+    {
+        parent::__construct($name, $seconds);
+
+        $this->dynamo = $dynamo;
+    }
+
+    /**
+     * Attempt to acquire the lock.
+     *
+     * @return bool
+     */
+    public function acquire()
+    {
+        return $this->dynamo->add(
+            $this->name, 1, $this->seconds / 60
+        );
+    }
+
+    /**
+     * Release the lock.
+     *
+     * @return void
+     */
+    public function release()
+    {
+        $this->dynamo->forget($this->name);
+    }
+}