37 lines
1.4 KiB
Python
37 lines
1.4 KiB
Python
#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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from heat.engine.resources.openstack.nova import server
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class ServerUpdateAllowed(server.Server):
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'''Prevent any properties changes from replacing an existing server.
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'''
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update_allowed_properties = server.Server.properties_schema.keys()
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def needs_replace_with_prop_diff(self, changed_properties_set,
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after_props, before_props):
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return False
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def handle_update(self, json_snippet, tmpl_diff, prop_diff):
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prop_diff.pop(self.IMAGE, None)
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return super(ServerUpdateAllowed, self).handle_update(json_snippet,
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tmpl_diff,
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prop_diff)
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def resource_mapping():
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return {'OS::Nova::Server': ServerUpdateAllowed}
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