#
# 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.common.i18n import _
from heat.engine import constraints as constr
from heat.engine import parameters
[docs]class CfnParameters(parameters.Parameters):
PSEUDO_PARAMETERS = (
PARAM_STACK_ID, PARAM_STACK_NAME, PARAM_REGION
) = (
'AWS::StackId', 'AWS::StackName', 'AWS::Region'
)
def _pseudo_parameters(self, stack_identifier):
stack_id = (stack_identifier.arn()
if stack_identifier is not None else 'None')
stack_name = stack_identifier and stack_identifier.stack_name
yield parameters.Parameter(
self.PARAM_STACK_ID,
parameters.Schema(parameters.Schema.STRING, _('Stack ID'),
default=str(stack_id)))
if stack_name:
yield parameters.Parameter(
self.PARAM_STACK_NAME,
parameters.Schema(parameters.Schema.STRING, _('Stack Name'),
default=stack_name))
yield parameters.Parameter(
self.PARAM_REGION,
parameters.Schema(parameters.Schema.STRING,
default='ap-southeast-1',
constraints=[
constr.AllowedValues(
['us-east-1',
'us-west-1',
'us-west-2',
'sa-east-1',
'eu-west-1',
'ap-southeast-1',
'ap-northeast-1'])]))
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