From 37dc4f64925611044389505127ca6b62057b6bf8 Mon Sep 17 00:00:00 2001
From: Sapan Bhatia <gwsapan@gmail.com>
Date: Wed, 23 Jul 2014 08:59:30 -0400
Subject: [PATCH] Provide default implementation of fetch_pending to remove
 redundant code from steps.

---
 planetstack/openstack_observer/syncstep.py | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/planetstack/openstack_observer/syncstep.py b/planetstack/openstack_observer/syncstep.py
index fc0cb0b..dcfea7d 100644
--- a/planetstack/openstack_observer/syncstep.py
+++ b/planetstack/openstack_observer/syncstep.py
@@ -44,7 +44,16 @@ class SyncStep:
         return
 
     def fetch_pending(self, deletion=False):
-        return []
+        # This is the most common implementation of fetch_pending
+        # Steps should override it if they have their own logic
+        # for figuring out what objects are outstanding.
+        main_obj = self.provides[0]
+        if (not deleted):
+            objs = main_obj.objects.filter(Q(enacted__lt=F('updated')) | Q(enacted=None))
+        else:
+            objs = main_obj.deleted_objects.all()
+
+        return objs
         #return Sliver.objects.filter(ip=None)
     
     def check_dependencies(self, obj, failed):
-- 
2.47.0