def delete_stacks(self): existing_stacks = self.cfn.get_stack_names() stacks = self.config.stacks stack_processing_order = DependencyResolver().get_stack_order(stacks) stack_processing_order.reverse() self.logger.info( "Will delete stacks in the following order: {0}".format( ", ".join(stack_processing_order))) for stack_name in stack_processing_order: stack_config = self.config.stacks.get(stack_name) if stack_name in existing_stacks: stack = CloudFormationStack( None, None, stack_name, None, None, service_role=stack_config.service_role) self.cfn.validate_stack_is_ready_for_action(stack) self.cfn.delete_stack(stack) else: self.logger.info( "Stack {0} is already deleted".format(stack_name))
def create_or_update_stacks(self): existing_stacks = self.cfn.get_stack_names() desired_stacks = self.config.stacks stack_processing_order = DependencyResolver().get_stack_order( desired_stacks) if len(stack_processing_order) > 1: self.logger.info( "Will process stacks in the following order: {0}".format( ", ".join(stack_processing_order))) for stack_name in stack_processing_order: stack_config = self.config.stacks.get(stack_name) if stack_config.stack_policy_url: self.logger.info("Using stack policy from {0}".format( stack_config.stack_policy_url)) stack_policy = FileLoader.get_yaml_or_json_file( stack_config.stack_policy_url, stack_config.working_dir) else: stack_policy = None template = TemplateHandler.get_template(stack_config.template_url, stack_config.working_dir) parameters = self.parameter_resolver.resolve_parameter_values( stack_name, stack_config, self.cli_parameters) stack = CloudFormationStack( template=template, parameters=parameters, tags=stack_config.tags, name=stack_name, region=self.config.region, timeout=stack_config.timeout, service_role=stack_config.service_role, stack_policy=stack_policy, failure_action=stack_config.failure_action) if stack_name in existing_stacks: self.cfn.validate_stack_is_ready_for_action(stack) self.cfn.update_stack(stack) else: self.cfn.create_stack(stack) CustomResourceHandler.process_post_resources(stack)
def create_or_update_stacks(self): existing_stacks = self.cfn.get_stack_names() desired_stacks = self.config.stacks stack_processing_order = DependencyResolver().get_stack_order( desired_stacks) if len(stack_processing_order) > 1: self.logger.info( "Will process stacks in the following order: {0}".format( ", ".join(stack_processing_order))) for stack_name in stack_processing_order: stack_config = self.config.stacks.get(stack_name) raw_template = FileLoader.get_file_from_url( stack_config.template_url, stack_config.working_dir) template = CloudFormationTemplateTransformer.transform_template( raw_template) parameters = self.parameter_resolver.resolve_parameter_values( stack_config.parameters, stack_name) stack = CloudFormationStack(template=template, parameters=parameters, tags=(stack_config.tags), name=stack_name, region=self.region, timeout=stack_config.timeout) if stack_name in existing_stacks: self.cfn.validate_stack_is_ready_for_action(stack) self.cfn.update_stack(stack) else: self.cfn.create_stack(stack) CustomResourceHandler.process_post_resources(stack)