From eaf00514412cbc5f369aed2477857e75c1a4a208 Mon Sep 17 00:00:00 2001
From: Thomas Herve <therve@redhat.com>
Date: Wed, 3 Aug 2016 22:35:43 +0200
Subject: [PATCH] Ignore changes to images in nova servers

Override all changes to the image in OS::Nova::Server, so that we don't
accidently rebuild them.

Change-Id: I2ec318b9776239b166d9537e5ca10c851d1d219a
Closes-Bug: #1609020
---
 undercloud_heat_plugins/server_update_allowed.py | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/undercloud_heat_plugins/server_update_allowed.py b/undercloud_heat_plugins/server_update_allowed.py
index 63374a2d2..ef5ce6086 100644
--- a/undercloud_heat_plugins/server_update_allowed.py
+++ b/undercloud_heat_plugins/server_update_allowed.py
@@ -25,6 +25,12 @@ class ServerUpdateAllowed(server.Server):
                                      after_props, before_props):
         return False
 
+    def handle_update(self, json_snippet, tmpl_diff, prop_diff):
+        prop_diff.pop(self.IMAGE, None)
+        return super(ServerUpdateAllowed, self).handle_update(json_snippet,
+                                                              tmpl_diff,
+                                                              prop_diff)
+
 
 def resource_mapping():
     return {'OS::Nova::Server': ServerUpdateAllowed}