def describe_change_set(ctx, path, change_set_name, verbose): """ Describes the change set. :param path: Path to execute the command on. :type path: str :param change_set_name: Name of the Change Set to use. :type change_set_name: str :param verbose: A flag to display verbose output. :type verbose: bool """ context = SceptreContext( command_path=path, project_path=ctx.obj.get("project_path"), user_variables=ctx.obj.get("user_variables"), options=ctx.obj.get("options"), output_format=ctx.obj.get("output_format"), no_colour=ctx.obj.get("no_colour"), ignore_dependencies=ctx.obj.get("ignore_dependencies") ) plan = SceptrePlan(context) responses = plan.describe_change_set(change_set_name) for response in responses.values(): description = response if not verbose: description = simplify_change_set_description(description) write(description, context.output_format, context.no_colour)
def update_command(ctx, path, change_set, verbose, yes): """ Updates a stack for a given config PATH. Or perform an update via change-set when the change-set flag is set. \f :param path: Path to execute the command on. :type path: str :param change_set: Whether a change set should be created. :type change_set: bool :param verbose: A flag to print a verbose output. :type verbose: bool :param yes: A flag to answer 'yes' to all CLI questions. :type yes: bool """ context = SceptreContext( command_path=path, project_path=ctx.obj.get("project_path"), config_directory=ctx.obj.get("config_directory"), user_variables=ctx.obj.get("user_variables"), options=ctx.obj.get("options"), output_format=ctx.obj.get("output_format"), ignore_dependencies=ctx.obj.get("ignore_dependencies")) plan = SceptrePlan(context) if change_set: change_set_name = "-".join(["change-set", uuid1().hex]) plan.create_change_set(change_set_name) try: # Wait for change set to be created statuses = plan.wait_for_cs_completion(change_set_name) # Exit if change set fails to create for status in list(statuses.values()): if status != StackChangeSetStatus.READY: exit(1) # Describe changes descriptions = plan.describe_change_set(change_set_name) for description in list(descriptions.values()): if not verbose: description = simplify_change_set_description(description) write(description, context.output_format) # Execute change set if happy with changes if yes or click.confirm("Proceed with stack update?"): plan.execute_change_set(change_set_name) except Exception as e: raise e finally: # Clean up by deleting change set plan.delete_change_set(change_set_name) else: confirmation("update", yes, command_path=path) responses = plan.update() exit(stack_status_exit_code(responses.values()))
def step_impl(context, change_set_name, stack_name): sceptre_context = SceptreContext(command_path=stack_name + '.yaml', project_path=context.sceptre_dir) sceptre_plan = SceptrePlan(sceptre_context) allowed_errors = {'ValidationError', 'ChangeSetNotFound'} try: responses = sceptre_plan.describe_change_set(change_set_name) except ClientError as e: if e.response['Error']['Code'] in allowed_errors: context.error = e return else: raise e context.output = responses