def provider_parser(subparser):
    """Configure provider parser for Conoha"""
    subparser.add_argument('--auth-region', help=
        'specify region. If empty, region `tyo1` will be used.')
    subparser.add_argument('--auth-token', help=
        'specify token for authentication. If empty, the username and password will be used to create a token.'
        )
    subparser.add_argument('--auth-username', help=
        'specify api username for authentication. Only used if --auth-token is empty.'
        )
    subparser.add_argument('--auth-password', help=
        'specify api user password for authentication. Only used if --auth-token is empty.'
        )
    subparser.add_argument('--auth-tenant-id', help=
        'specify tenand id for authentication. Only used if --auth-token is empty.'
        )
