Add kwargs to the AppRunner

src/prozorro_sale/metrics/__init__.py

@@ -21,16 +21,17 @@ async def metrics(request):
 
 class AioAppWrapper:
 
-    def __init__(self, _app, _port, _loop):
+    def __init__(self, _app, _port, _loop, **kwargs):
         self.app = _app
         self.port = _port
         self.loop = _loop
         self.runner = None
+        self.kwargs = kwargs
 
     def initialize(self):
         LOG.info(f'Initialize web app on port {self.port}')
 
-        self.runner = web.AppRunner(self.app)
+        self.runner = web.AppRunner(self.app, **self.kwargs)
         self.loop.run_until_complete(self.runner.setup())
         site = web.TCPSite(self.runner, '0.0.0.0', self.port)
         return site.start()
@@ -72,10 +73,10 @@ class ApplicationWrapper:
 
         self.add_web_app(init_mertics_app(), _port=9091)
 
-    def add_web_app(self, _app, _port):
+    def add_web_app(self, _app, _port, **kwargs):
         _app._set_loop(self.loop)
         self.apps.append(
-            AioAppWrapper(_app, _port, self.loop)
+            AioAppWrapper(_app, _port, self.loop, **kwargs)
         )
 
     def add_coroutine(self, _coro, _stop_callback=None):