start making the server that will periodicly scrub

etc/glance-scrubber.conf

@@ -25,3 +25,6 @@ sql_connection = sqlite:///glance.sqlite
 # notice this, you can lower this value to ensure that SQLAlchemy reconnects
 # before MySQL can drop the connection.
 sql_idle_timeout = 3600
+
+[app:glance-scrubber]
+paste.app_factory = glance.store.scrubber:app_factory

glance/store/scrubber.py

@@ -16,6 +16,7 @@
 #    under the License.
 
 import eventlet
+import logging
 
 from glance import registry
 from glance.common import config
@@ -23,6 +24,17 @@ from glance.common import config
 
 logger = logging.getLogger('glance.store.scrub')
 
-def scrub(options):
-    pass
+class Server(object):
+    def __init__(self):
+        pass
+
+class Scrubber(object):
+    def __init__(self, options):
+        pass
+
+
+def app_factory(global_config, **local_conf):
+    conf = global_config.copy()
+    conf.update(local_conf)
+    return Scrubber(conf)