def undeploy()

in rdk/rdk.py [0:0]

• 37 lines of code
• 13 McCabe index (conditional complexity)

    def undeploy(self):
        self.__parse_deploy_args(ForceArgument=True)

        if not self.args.force:
            confirmation = False
            while not confirmation:
                my_input = input("Delete specified Rules and Lambda Functions from your AWS Account? (y/N): ")
                if my_input.lower() == "y":
                    confirmation = True
                if my_input.lower() == "n" or my_input == "":
                    sys.exit(0)

        #get the rule names
        rule_names = self.__get_rule_list_for_command()



        #create custom session based on whatever credentials are available to us.
        my_session = self.__get_boto_session()

        print(f"[{my_session.region_name}]: Running un-deploy!")

        #Collect a list of all of the CloudFormation templates that we delete.  We'll need it at the end to make sure everything worked.
        deleted_stacks = []

        cfn_client = my_session.client('cloudformation')

        if self.args.functions_only:
            try:
                cfn_client.delete_stack(StackName=self.args.stack_name)
                deleted_stacks.append(self.args.stack_name)
            except ClientError as ce:
                print(f"[{my_session.region_name}]: Client Error encountered attempting to delete CloudFormation stack for Lambda Functions: " + str(ce))
            except Exception as e:
                print(f"[{my_session.region_name}]: Exception encountered attempting to delete CloudFormation stack for Lambda Functions: " + str(e))

            return

        for rule_name in rule_names:
            try:
                cfn_client.delete_stack(StackName=self.__get_stack_name_from_rule_name(rule_name))
                deleted_stacks.append(self.__get_stack_name_from_rule_name(rule_name))
            except ClientError as ce:
                print(f"[{my_session.region_name}]: Client Error encountered attempting to delete CloudFormation stack for Rule: " + str(ce))
            except Exception as e:
                print(f"[{my_session.region_name}]: Exception encountered attempting to delete CloudFormation stack for Rule: " + str(e))

        print(f"[{my_session.region_name}]: Rule removal initiated. Waiting for Stack Deletion to complete.")

        for stack_name in deleted_stacks:
            self.__wait_for_cfn_stack(cfn_client, stack_name)

        print(f"[{my_session.region_name}]: Rule removal complete, but local files have been preserved.")
        print(f"[{my_session.region_name}]: To re-deploy, use the 'deploy' command.")