Exemple #1
0
    def __init__(self) -> None:
        """Create a new instance of this SSH LabHost."""
        super().__init__()
        self.client = paramiko.SSHClient()
        self._c: typing.Dict[str, typing.Union[str, typing.List[str]]] = {}
        try:
            c = paramiko.config.SSHConfig()
            c.parse(open(pathlib.Path.home() / ".ssh" / "config"))
            self._c = c.lookup(self.hostname)
        except FileNotFoundError:
            # Config file does not exist
            pass
        except Exception:
            # Invalid config
            log.message(log.c("Invalid").red + " .ssh/config")
            raise

        if self.ignore_hostkey:
            self.client.set_missing_host_key_policy(
                paramiko.client.AutoAddPolicy())
        else:
            self.client.load_system_host_keys()

        password = None
        key_file = None

        authenticator = self.authenticator
        if isinstance(authenticator, auth.PasswordAuthenticator):
            password = authenticator.password
        if isinstance(authenticator, auth.PrivateKeyAuthenticator):
            key_file = str(authenticator.key_file)

        log.message(
            "Logging in on " +
            log.c(f"{self.username}@{self.hostname}:{self.port}").yellow +
            " ...",
            verbosity=log.Verbosity.COMMAND,
        )

        if "hostname" in self._c:
            hostname = str(self._c["hostname"])
        else:
            hostname = self.hostname

        self.client.connect(
            hostname,
            username=self.username,
            port=self.port,
            password=password,
            key_filename=key_file,
        )

        self.channel = channel.ParamikoChannel(
            self.client.get_transport().open_session())
Exemple #2
0
def tbot_end(success: bool) -> None:
    log.message(
        log.c(
            log.u(
                "────────────────────────────────────────",
                "----------------------------------------",
            )).dark)

    if log.LOGFILE is not None:
        log.message(f"Log written to {log.LOGFILE.name!r}")

    msg = log.c("SUCCESS").green.bold if success else log.c("FAILURE").red.bold
    duration = time.monotonic() - log.START_TIME
    log.EventIO(
        ["tbot", "end"],
        msg + f" ({duration:.3f}s)",
        nest_first=log.u("└─", "\\-"),
        verbosity=log.Verbosity.QUIET,
        success=success,
        duration=duration,
    )
Exemple #3
0
def main() -> None:  # noqa: C901
    """Tbot main entry point."""
    parser = argparse.ArgumentParser(prog=__about__.__title__,
                                     description=__about__.__summary__)

    parser.add_argument("testcase",
                        nargs="*",
                        help="testcase that should be run.")

    parser.add_argument("-b",
                        "--board",
                        help="use this board instead of the default.")

    parser.add_argument("-l",
                        "--lab",
                        help="use this lab instead of the default.")

    parser.add_argument(
        "-T",
        metavar="TC-DIR",
        dest="tcdirs",
        action="append",
        default=[],
        help="add a directory to the testcase search path.",
    )

    parser.add_argument(
        "-t",
        metavar="TC-FILE",
        dest="tcfiles",
        action="append",
        default=[],
        help="add a file to the testcase search path.",
    )

    parser.add_argument(
        "-f",
        metavar="FLAG",
        dest="flags",
        action="append",
        default=[],
        help="set a user defined flag to change testcase behaviour",
    )

    parser.add_argument("-v",
                        dest="verbosity",
                        action="count",
                        default=0,
                        help="increase the verbosity")

    parser.add_argument("-q",
                        dest="quiet",
                        action="count",
                        default=0,
                        help="decrease the verbosity")

    parser.add_argument("--version",
                        action="version",
                        version=f"%(prog)s {__about__.__version__}")

    parser.add_argument("--log",
                        metavar="LOGFILE",
                        help="Alternative location for the json log file")

    flags = [
        (["--list-testcases"],
         "list all testcases in the current search path."),
        (["--list-labs"], "list all available labs."),
        (["--list-boards"], "list all available boards."),
        (["--list-files"], "list all testcase files."),
        (["--list-flags"], "list all flags defined in lab or board config."),
        (["-s",
          "--show"], "show testcase signatures instead of running them."),
        (["-i", "--interactive"], "prompt before running each command."),
    ]

    for flag_names, flag_help in flags:
        parser.add_argument(*flag_names, action="store_true", help=flag_help)

    args = parser.parse_args()

    from tbot import log

    # Determine LogFile
    if args.log:
        log.LOGFILE = open(args.log, "w")
    else:
        logdir = pathlib.Path.cwd() / "log"
        logdir.mkdir(exist_ok=True)

        lab_name = "none" if args.lab is None else pathlib.Path(args.lab).stem
        board_name = "none" if args.board is None else pathlib.Path(
            args.board).stem

        prefix = f"{lab_name}-{board_name}"
        glob_pattern = f"{prefix}-*.json"
        new_num = sum(1 for _ in logdir.glob(glob_pattern)) + 1
        logfile = logdir / f"{prefix}-{new_num:04}.json"
        # Ensure logfile will not overwrite another one
        while logfile.exists():
            new_num += 1
            logfile = logdir / f"{prefix}-{new_num:04}.json"

        log.LOGFILE = open(logfile, "w")

    log.VERBOSITY = log.Verbosity(1 + args.verbosity - args.quiet)

    if args.list_labs:
        raise NotImplementedError()

    if args.list_boards:
        raise NotImplementedError()

    from tbot import loader

    files = loader.get_file_list(
        (pathlib.Path(d).resolve() for d in args.tcdirs),
        (pathlib.Path(f).resolve() for f in args.tcfiles),
    )

    if args.list_files:
        for f in files:
            print(f"{f}")
        return

    testcases = loader.collect_testcases(files)

    if args.list_testcases:
        for tc in testcases:
            print(tc)
        return

    if args.show:
        import textwrap
        import inspect

        for i, name in enumerate(args.testcase):
            if i != 0:
                print(log.c("\n=================================\n").dark)
            func = testcases[name]
            signature = f"def {name}{str(inspect.signature(func))}:\n    ..."
            try:
                import pygments
                from pygments.lexers import PythonLexer
                from pygments.formatters import TerminalFormatter

                print(
                    pygments.highlight(signature, PythonLexer(),
                                       TerminalFormatter()).strip())
            except ImportError:
                print(log.c(signature).bold.yellow)
            print(log.c(f"----------------").dark)
            print(
                log.c(
                    textwrap.dedent(
                        func.__doc__
                        or "No docstring available.").strip()).green)
        return

    if args.interactive:
        log.INTERACTIVE = True

    print(log.c("TBot").yellow.bold + " starting ...")

    import tbot

    for flag in args.flags:
        tbot.flags.add(flag)

    # Set the actual selected types, needs to be ignored by mypy
    # beause this is obviously not good python
    lab = None
    if args.lab is not None:
        lab = loader.load_module(pathlib.Path(args.lab).resolve())
        tbot.selectable.LabHost = lab.LAB  # type: ignore
    else:
        pass

    board = None
    if args.board is not None:
        board = loader.load_module(pathlib.Path(args.board).resolve())
        tbot.selectable.Board = board.BOARD  # type: ignore
        if hasattr(board, "UBOOT"):
            tbot.selectable.UBootMachine = board.UBOOT  # type: ignore
        if hasattr(board, "LINUX"):
            tbot.selectable.LinuxMachine = board.LINUX  # type: ignore
    else:
        pass

    if args.list_flags:
        import typing

        all_flags: typing.Dict[str, str] = dict()
        if lab is not None and "FLAGS" in lab.__dict__:
            all_flags.update(lab.__dict__["FLAGS"])

        if board is not None and "FLAGS" in board.__dict__:
            all_flags.update(board.__dict__["FLAGS"])

        width = max(map(len, flags))
        for name, description in all_flags.items():
            log.message(log.c(name.ljust(width)).blue + ": " + description)

    from tbot import log_event

    try:
        for tc in args.testcase:
            testcases[tc]()
    except Exception as e:  # noqa: E722
        import traceback

        trace = traceback.format_exc()
        with log.EventIO(
            ["exception"],
                log.c("Exception").red.bold + ":",
                verbosity=log.Verbosity.QUIET,
                name=e.__class__.__name__,
                trace=trace,
        ) as ev:
            ev.prefix = "  "
            ev.write(trace)

        log_event.tbot_end(False)
        sys.exit(1)
    except KeyboardInterrupt:
        log.message(
            log.c("Exception").red.bold + ":\n    Test run manually aborted.",
            verbosity=log.Verbosity.QUIET,
        )
        log_event.tbot_end(False)
        sys.exit(2)
    else:
        log_event.tbot_end(True)
Exemple #4
0
def main() -> None:  # noqa: C901
    """Tbot main entry point."""

    # ArgumentParser {{{
    parser = argparse.ArgumentParser(
        prog=__about__.__title__,
        description=__about__.__summary__,
        fromfile_prefix_chars="@",
    )

    parser.add_argument("testcase", nargs="*", help="testcase that should be run.")

    parser.add_argument(
        "-C",
        metavar="WORKDIR",
        dest="workdir",
        help="use WORKDIR as working directory instead of the current directory.",
    )

    parser.add_argument("-b", "--board", help="use this board instead of the default.")

    parser.add_argument("-l", "--lab", help="use this lab instead of the default.")

    parser.add_argument(
        "-T",
        metavar="TC-DIR",
        dest="tcdirs",
        action="append",
        default=[],
        help="add a directory to the testcase search path.",
    )

    parser.add_argument(
        "-t",
        metavar="TC-FILE",
        dest="tcfiles",
        action="append",
        default=[],
        help="add a file to the testcase search path.",
    )

    parser.add_argument(
        "-f",
        metavar="FLAG",
        dest="flags",
        action="append",
        default=[],
        help="set a user defined flag to change testcase behaviour",
    )

    parser.add_argument(
        "-p",
        metavar="NAME=VALUE",
        dest="params",
        action="append",
        default=[],
        help="set a testcase parameter, value is parsed using `eval`",
    )

    parser.add_argument(
        "-v", dest="verbosity", action="count", default=0, help="increase the verbosity"
    )

    parser.add_argument(
        "-q", dest="quiet", action="count", default=0, help="decrease the verbosity"
    )

    parser.add_argument(
        "--version", action="version", version=f"%(prog)s {__about__.__version__}"
    )

    parser.add_argument(
        "--log", metavar="LOGFILE", help="Write a log to the specified file"
    )

    parser.add_argument(
        "--log-auto",
        action="store_true",
        help="Write a log to `log/<lab>-<board>-NNNN.json`",
    )

    flags = [
        (["--list-testcases"], "list all testcases in the current search path."),
        (["--list-files"], "list all testcase files."),
        (["--list-flags"], "list all flags defined in lab or board config."),
        (["-s", "--show"], "show testcase signatures instead of running them."),
        (["-i", "--interactive"], "prompt before running each command."),
    ]

    for flag_names, flag_help in flags:
        parser.add_argument(*flag_names, action="store_true", help=flag_help)

    # }}}

    args = parser.parse_args()

    if args.workdir:
        os.chdir(args.workdir)

    from tbot import log, log_event

    # Logging {{{
    # Determine log-file location
    if args.log_auto:
        logdir = pathlib.Path.cwd() / "log"
        logdir.mkdir(exist_ok=True)

        lab_name = "none" if args.lab is None else pathlib.Path(args.lab).stem
        board_name = "none" if args.board is None else pathlib.Path(args.board).stem

        prefix = f"{lab_name}-{board_name}"
        glob_pattern = f"{prefix}-*.json"
        new_num = sum(1 for _ in logdir.glob(glob_pattern)) + 1
        logfile = logdir / f"{prefix}-{new_num:04}.json"
        # Ensure logfile will not overwrite another one
        while logfile.exists():
            new_num += 1
            logfile = logdir / f"{prefix}-{new_num:04}.json"

        log.LOGFILE = open(logfile, "w")
    elif args.log:
        log.LOGFILE = open(args.log, "w")

    # Set verbosity
    log.VERBOSITY = log.Verbosity(log.Verbosity.INFO + args.verbosity - args.quiet)

    # Enable interactive mode
    if args.interactive:
        log.INTERACTIVE = True

        # Verbosity has to be at least command level
        log.VERBOSITY = max(log.VERBOSITY, log.Verbosity.COMMAND)
    # }}}

    import tbot
    from tbot import loader

    for flag in args.flags:
        tbot.flags.add(flag)

    if args.list_testcases or args.list_files:
        log.VERBOSITY = -1  # type: ignore
    else:
        log_event.tbot_start()

    # Load testcases {{{
    if "TBOTPATH" in os.environ:
        environ_paths = os.environ["TBOTPATH"].split(":")
    else:
        environ_paths = []

    files = loader.get_file_list(
        (pathlib.Path(d).resolve() for d in environ_paths),
        (pathlib.Path(d).resolve() for d in args.tcdirs),
        (pathlib.Path(f).resolve() for f in args.tcfiles),
    )

    if args.list_files:
        for f in files:
            print(f"{f}")
        return

    testcases = loader.collect_testcases(files)

    if args.list_testcases:
        for tc in testcases:
            print(tc)
        return

    if args.show:
        import textwrap

        highlight = _import_hightlighter()

        for i, name in enumerate(args.testcase):
            if i != 0:
                print(log.c("\n=================================\n").dark)
            func = testcases[name]
            signature = f"def {name}{str(inspect.signature(func))}:\n    ..."
            print(highlight(signature))
            print(log.c(f"----------------").dark)
            print(
                log.c(
                    textwrap.dedent(func.__doc__ or "No docstring available.").strip()
                ).green
            )
        return
    # }}}

    # Load configs {{{
    # Set the actual selected types, needs to be ignored by mypy
    # beause this is obviously not good python
    lab = None
    if args.lab is not None:
        lab = loader.load_module(pathlib.Path(args.lab).resolve())
        tbot.selectable.LabHost = lab.LAB  # type: ignore
    else:
        pass

    board = None
    if args.board is not None:
        board = loader.load_module(pathlib.Path(args.board).resolve())
        if hasattr(board, "BOARD"):
            tbot.selectable.Board = board.BOARD  # type: ignore
        if hasattr(board, "UBOOT"):
            tbot.selectable.UBootMachine = board.UBOOT  # type: ignore
        if hasattr(board, "LINUX"):
            tbot.selectable.LinuxMachine = board.LINUX  # type: ignore
    else:
        pass

    if args.list_flags:
        all_flags: typing.Dict[str, str] = dict()
        if lab is not None and "FLAGS" in lab.__dict__:
            all_flags.update(lab.__dict__["FLAGS"])

        if board is not None and "FLAGS" in board.__dict__:
            all_flags.update(board.__dict__["FLAGS"])

        width = max(map(len, flags))
        for name, description in all_flags.items():
            log.message(log.c(name.ljust(width)).blue + ": " + description)
    # }}}

    # Testcase Parameters {{{
    parameters = {}
    for param in args.params:
        name, eval_code = param.split("=", maxsplit=1)
        parameters[name] = eval(eval_code)

    if parameters != {}:
        highlight = _import_hightlighter()
        tbot.log.message(
            tbot.log.c("Parameters:\n").bold
            + "\n".join(
                f"    {name:10} = " + highlight(f"{value!r}")
                for name, value in parameters.items()
            )
        )
    # }}}

    if len(tbot.flags) != 0:
        highlight = _import_hightlighter()
        tbot.log.message(
            tbot.log.c("Flags:\n").bold
            + ", ".join(highlight(f"{flag!r}") for flag in tbot.flags)
        )

    try:
        for tc in args.testcase:
            func = testcases[tc]

            if len(args.testcase) == 1:
                params = parameters
            else:
                # Filter parameter list if multiple testcases are scheduled to run

                try:
                    func_code = getattr(func, "__wrapped__").__code__
                except AttributeError:
                    func_code = func.__code__
                # Get list of argument names
                argspec = inspect.getargs(func_code)

                params = {}
                for name, value in parameters.items():
                    if argspec.varkw is not None or name in argspec.args:
                        params[name] = value
                    else:
                        tbot.log.warning(
                            f"Parameter {name!r} not defined for testcase {tc!r}, ignoring ..."
                        )

            func(**params)
    except Exception as e:  # noqa: E722
        import traceback

        trace = traceback.format_exc()
        log_event.exception(e.__class__.__name__, trace)
        log_event.tbot_end(False)
        sys.exit(1)
    except KeyboardInterrupt:
        log_event.exception("KeyboardInterrupt", "Test run manually aborted.")
        log_event.tbot_end(False)
        sys.exit(130)
    else:
        log_event.tbot_end(True)