tripleo-common/undercloud_heat_plugins/server_update_allowed.py
Thomas Herve eaf0051441 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
2016-08-03 22:36:44 +02:00

37 lines
1.4 KiB
Python

#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
from heat.engine.resources.openstack.nova import server
class ServerUpdateAllowed(server.Server):
'''Prevent any properties changes from replacing an existing server.
'''
update_allowed_properties = server.Server.properties_schema.keys()
def needs_replace_with_prop_diff(self, changed_properties_set,
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}