Source code for heat.engine.cfn.parameters

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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'])]))