From 85c3c89f1d44ab4b26755958fec29161b0090ce0 Mon Sep 17 00:00:00 2001
From: Dongdong Zhou <dzhou121@gmail.com>
Date: Wed, 17 Apr 2013 12:54:14 +0100
Subject: set bdm['volume_id'] to None rather than delete it

bdm is a sqlalchemy model object, it doesn't make sense to delete
an attribute, so just set it to None

Fix bug 1166160

Change-Id: I41017af602f0c8369d442b4a6936e1a829d2f9a9
---
 nova/compute/api.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/nova/compute/api.py b/nova/compute/api.py
index 9d73c3055..3f3078d5b 100644
--- a/nova/compute/api.py
+++ b/nova/compute/api.py
@@ -1615,7 +1615,7 @@ class API(base.Base):
                 snapshot = self.volume_api.create_snapshot_force(
                     context, volume, name, volume['display_description'])
                 bdm['snapshot_id'] = snapshot['id']
-                del bdm['volume_id']
+                bdm['volume_id'] = None
 
             mapping.append(bdm)
 
-- 
cgit