Snapshots & Storages controller added

controllers/SnapshotsController.py

 from aiohttp import web
 
+from implementation.storage.OpenstackSnapshotsManager import OpenstackSnapshotManager
+
 
 class SnapshotsController:
 
+    snapshot_manager = None
+
+    @staticmethod
+    def init(app, openstack):
+        SnapshotsController.snapshot_manager = OpenstackSnapshotManager(openstack)
+
+        SnapshotsController.add_routes(app)
+
     @staticmethod
     def add_routes(app):
         app.add_routes([
@@ -18,6 +28,8 @@ class SnapshotsController:
 
     @staticmethod
     async def list(request):
+        snapshots = SnapshotsController.snapshot_manager.list()
+
         return web.Response(text='List')
 
     @staticmethod

controllers/StoragesController.py

 from aiohttp import web
 
+from implementation.storage.OpenstackStorageManager import OpenstackStorageManager
+
 
 class StoragesController:
 
+    storage_manager = None
+
+    @staticmethod
+    def init(app, os):
+        StoragesController.storage_manager = OpenstackStorageManager(os)
+
+        StoragesController.add_routes(app)
+
     @staticmethod
     def add_routes(app):
         app.add_routes([
@@ -18,6 +28,10 @@ class StoragesController:
 
     @staticmethod
     async def list(request):
+        volumes = StoragesController.storage_manager.list()
+
+        print(volumes)
+
         return web.Response(text='List')
 
     @staticmethod