deb-heat/heat/engine/resources/image.py
Thomas Herve b000a37795 Implement glance image constraint
This adds a new constraint validation glance images.

blueprint glance-parameter-constraint
Co-Authored-By: cedric.soulas@cloudwatt.com

Change-Id: I0c085c3c7a848bbcb5c72c42fbf91aa5f3ec80ab
2014-02-19 09:55:19 +01:00

32 lines
1015 B
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 import clients
from heat.engine.resources import nova_utils
class ImageConstraint(object):
def validate(self, value, context):
try:
nova_client = clients.Clients(context).nova()
nova_utils.get_image_id(nova_client, value)
except Exception:
return False
else:
return True
def constraint_mapping():
return {'glance.image': ImageConstraint}