__init__.py 文件源码

def validate(args):
    """validate local stack(s)"""
    stacks = args.stack

    # validate all stacks
    if args.all:
        stacks = local_stacks()

    # filter for existing stacks
    elif stacks:
        stacks = [stack for stack in stacks if stack in local_stacks()]

    # bail if no stack to validate
    if not stacks:
        LOG.warning(
            'this command needs a list of local stacks, or the --all flag to validate all stacks')
        sys.exit(1)

    # action
    cfn = get_cfn()
    retval = 0
    for stack in stacks:
        tpl_body = load_template(stack, True)
        try:
            cfn.validate_template(TemplateBody=tpl_body)
            res = 'ok'
        except botocore.exceptions.ClientError as err:
            res = 'not ok: %s' % str(err)
            retval = 1
        print('%s:%s %s' % (stack, ''.rjust(max([len(s) for s in stacks]) - len(stack)), res))

    sys.exit(retval)