pass in the type we want so it gets converted properly

glance/store/__init__.py

@@ -163,7 +163,8 @@ def schedule_delete_from_backend(uri, options, id, **kwargs):
     """
     Given a uri and a time, schedule the deletion of an image. 
     """
-    use_delay = config.get_option(options, 'delayed_delete', default=False)
+    use_delay = config.get_option(options, 'delayed_delete', type='bool',
+                                  default=False)
     if not use_delay:
         registry.update_image_metadata(options, id, {'status': 'deleted'})
         try:

glance/store/scrubber.py

@@ -51,6 +51,8 @@ class Server(object):
 class Scrubber(object):
     def __init__(self, options):
         self.options = options
+        scrub_time = config.get_option(options, 'scrub_time', type='int',
+                                       default=0)
         scrub_time = int(self.options.get('scrub_time', 0))
         self.scrub_time = datetime.timedelta(seconds=scrub_time)
         db_api.configure_db(options)