Fixed http status code when floating ip id is invalid.

quark/exceptions.py

@@ -145,7 +145,7 @@ class NoBackendConnectionsDefined(exceptions.NeutronException):
                 "definition. %(msg)")
 
 
-class FloatingIpNotFound(exceptions.NeutronException):
+class FloatingIpNotFound(exceptions.NotFound):
     message = _("Floating IP %(id)s not found.")
 
 

quark/plugin_modules/floating_ips.py

@@ -163,10 +163,11 @@ def update_floatingip(context, id, content):
     port = None
     fixed_ip = None
     current_port = None
-    flip = None
 
     with context.session.begin():
         flip = db_api.floating_ip_find(context, id=id, scope=db_api.ONE)
+        if not flip:
+            raise qex.FloatingIpNotFound(id=id)
 
         current_ports = flip.ports