Esempio n. 1
0
def remote_side_bash_executor(func, *args, **kwargs):
    ''' The callable fn for external apps.
    This is the function that executes the bash app type function that returns
    the commandline string. This string is reformatted with the *args, and **kwargs
    from call time.
    '''

    import os
    import time
    import subprocess
    import logging
    import parsl.app.errors as pe

    logging.basicConfig(filename='/tmp/bashexec.{0}.log'.format(time.time()), level=logging.DEBUG)

    start_t = time.time()

    func_name = func.__name__

    # Try to run the func to compose the commandline
    try:
        # Execute the func to get the commandline
        partial_cmdline = func(*args, **kwargs)
        # Reformat the commandline with current args and kwargs
        executable = partial_cmdline.format(*args, **kwargs)

    except AttributeError as e:
        if partial_cmdline :
            raise pe.AppBadFormatting("[{}] AppFormatting failed during cmd_line resolution {}".format(func_name,
                                                                                                     e), None)
        else:
            raise pe.BashAppNoReturn("[{}] Bash App returned NoneType, must return str object".format(func_name), None)

    except IndexError as e:
        raise pe.AppBadFormatting("[{}] AppFormatting failed during cmd_line resolution {}".format(func_name,
                                                                                                e), None)
    except Exception as e:
        logging.error("[{}] Caught exception during cmd_line resolution : {}".format(func_name,
                                                                                     e))
        raise e

    # Updating stdout, stderr if values passed at call time.
    stdout = kwargs.get('stdout', None)
    stderr = kwargs.get('stderr', None)
    timeout = kwargs.get('walltime', None)
    logging.debug("Stdout  : %s", stdout)
    logging.debug("Stderr  : %s", stderr)

    try :
        std_out = open(stdout, 'w') if stdout else None
        std_err = open(stderr, 'w') if stderr else None
    except Exception as e:
        raise pe.BadStdStreamFile([stdout, stderr], e)

    start_time = time.time()

    returncode = None
    try :
        proc = subprocess.Popen(executable, stdout=std_out, stderr=std_err, shell=True, executable='/bin/bash')
        proc.wait(timeout=timeout)
        returncode = proc.returncode

    except subprocess.TimeoutExpired as e:
        print("Timeout")
        status = 'failed'
        raise pe.AppTimeout("[{}] App exceeded walltime: {}".format(func_name, timeout), e)

    except Exception as e:
        print ("Caught exception : ", e)
        error = e
        status = 'failed'
        raise pe.AppException("[{}] App caught exception : {}".format(func_name, proc.returncode), e)

    if returncode != 0:
        raise pe.AppFailure("[{}] App Failed exit code: {}".format(func_name, proc.returncode), proc.returncode)

    # TODO : Add support for globs here

    missing = []
    for outputfile in kwargs.get('outputs', []):
        fpath = outputfile
        if type(outputfile) != str:
            fpath = outputfile.filepath

        if not os.path.exists(fpath):
            missing.extend([outputfile])

    if missing:
        raise pe.MissingOutputs("[{}] Missing outputs".format(func_name), missing)

    exec_duration = time.time() - start_t
    return returncode
Esempio n. 2
0
def remote_side_bash_executor(func, *args, **kwargs):
    """Execute the bash app type function and return the command line string.

    This string is reformatted with the *args, and **kwargs
    from call time.
    """
    import os
    import time
    import subprocess
    import logging
    import parsl.app.errors as pe

    logging.basicConfig(filename='/tmp/bashexec.{0}.log'.format(time.time()),
                        level=logging.DEBUG)

    # start_t = time.time()

    func_name = func.__name__

    partial_cmdline = None

    # Try to run the func to compose the commandline
    try:
        # Execute the func to get the commandline
        partial_cmdline = func(*args, **kwargs)
        # Reformat the commandline with current args and kwargs
        executable = partial_cmdline.format(*args, **kwargs)

    except AttributeError as e:
        if partial_cmdline is not None:
            raise pe.AppBadFormatting(
                "App formatting failed for app '{}' with AttributeError: {}".
                format(func_name, e))
        else:
            raise pe.BashAppNoReturn(
                "Bash app '{}' did not return a value, or returned none - with this exception: {}"
                .format(func_name, e), None)

    except IndexError as e:
        raise pe.AppBadFormatting(
            "App formatting failed for app '{}' with IndexError: {}".format(
                func_name, e))
    except Exception as e:
        logging.error(
            "Caught exception during formatting of app '{}': {}".format(
                func_name, e))
        raise e

    logging.debug("Executable: %s", executable)

    # Updating stdout, stderr if values passed at call time.

    def open_std_fd(fdname):
        # fdname is 'stdout' or 'stderr'
        stdfspec = kwargs.get(fdname)  # spec is str name or tuple (name, mode)
        if stdfspec is None:
            return None
        elif isinstance(stdfspec, str):
            fname = stdfspec
            mode = 'a+'
        elif isinstance(stdfspec, tuple):
            if len(stdfspec) != 2:
                raise pe.BadStdStreamFile(
                    "std descriptor %s has incorrect tuple length %s" %
                    (fdname, len(stdfspec)), TypeError('Bad Tuple Length'))
            fname, mode = stdfspec
        else:
            raise pe.BadStdStreamFile(
                "std descriptor %s has unexpected type %s" %
                (fdname, str(type(stdfspec))), TypeError('Bad Tuple Type'))
        try:
            fd = open(fname, mode)
        except Exception as e:
            raise pe.BadStdStreamFile(fname, e)
        return fd

    std_out = open_std_fd('stdout')
    std_err = open_std_fd('stderr')
    timeout = kwargs.get('walltime')

    returncode = None
    try:
        proc = subprocess.Popen(executable,
                                stdout=std_out,
                                stderr=std_err,
                                shell=True,
                                executable='/bin/bash')
        proc.wait(timeout=timeout)
        returncode = proc.returncode

    except subprocess.TimeoutExpired:
        # print("Timeout")
        raise pe.AppTimeout("[{}] App exceeded walltime: {}".format(
            func_name, timeout))

    except Exception as e:
        # print("Caught exception: ", e)
        raise pe.AppException(
            "[{}] App caught exception: {}".format(func_name, proc.returncode),
            e)

    if returncode != 0:
        raise pe.AppFailure(
            "[{}] App failed with exit code: {}".format(
                func_name, proc.returncode), proc.returncode)

    # TODO : Add support for globs here

    missing = []
    for outputfile in kwargs.get('outputs', []):
        fpath = outputfile
        if type(outputfile) != str:
            fpath = outputfile.filepath

        if not os.path.exists(fpath):
            missing.extend([outputfile])

    if missing:
        raise pe.MissingOutputs("[{}] Missing outputs".format(func_name),
                                missing)

    # exec_duration = time.time() - start_t
    return returncode
Esempio n. 3
0
def remote_side_bash_executor(func, *args, **kwargs):
    """Execute the bash app type function and return the command line string.

    This string is reformatted with the *args, and **kwargs
    from call time.
    """
    import os
    import time
    import subprocess
    import logging
    import parsl.app.errors as pe
    from parsl import set_file_logger

    logbase = "/tmp"
    format_string = "%(asctime)s.%(msecs)03d %(name)s:%(lineno)d [%(levelname)s]  %(message)s"

    # make this name unique per invocation so that each invocation can
    # log to its own file. It would be better to include the task_id here
    # but that is awkward to wire through at the moment as apps do not
    # have access to that execution context.
    t = time.time()

    logname = __name__ + "." + str(t)
    logger = logging.getLogger(logname)
    set_file_logger(filename='{0}/bashexec.{1}.log'.format(logbase, t),
                    name=logname,
                    level=logging.DEBUG,
                    format_string=format_string)

    func_name = func.__name__

    executable = None

    # Try to run the func to compose the commandline
    try:
        # Execute the func to get the commandline
        executable = func(*args, **kwargs)

    except AttributeError as e:
        if executable is not None:
            raise pe.AppBadFormatting(
                "App formatting failed for app '{}' with AttributeError: {}".
                format(func_name, e))
        else:
            raise pe.BashAppNoReturn(
                "Bash app '{}' did not return a value, or returned none - with this exception: {}"
                .format(func_name, e), None)

    except IndexError as e:
        raise pe.AppBadFormatting(
            "App formatting failed for app '{}' with IndexError: {}".format(
                func_name, e))
    except Exception as e:
        logger.error(
            "Caught exception during formatting of app '{}': {}".format(
                func_name, e))
        raise e

    logger.debug("Executable: %s", executable)

    # Updating stdout, stderr if values passed at call time.

    def open_std_fd(fdname):
        # fdname is 'stdout' or 'stderr'
        stdfspec = kwargs.get(fdname)  # spec is str name or tuple (name, mode)
        if stdfspec is None:
            return None
        elif isinstance(stdfspec, str):
            fname = stdfspec
            mode = 'a+'
        elif isinstance(stdfspec, tuple):
            if len(stdfspec) != 2:
                raise pe.BadStdStreamFile(
                    "std descriptor %s has incorrect tuple length %s" %
                    (fdname, len(stdfspec)), TypeError('Bad Tuple Length'))
            fname, mode = stdfspec
        else:
            raise pe.BadStdStreamFile(
                "std descriptor %s has unexpected type %s" %
                (fdname, str(type(stdfspec))), TypeError('Bad Tuple Type'))

        try:
            if os.path.dirname(fname):
                os.makedirs(os.path.dirname(fname), exist_ok=True)
            fd = open(fname, mode)
        except Exception as e:
            raise pe.BadStdStreamFile(fname, e)
        return fd

    std_out = open_std_fd('stdout')
    std_err = open_std_fd('stderr')
    timeout = kwargs.get('walltime')

    if std_err is not None:
        print('--> executable follows <--\n{}\n--> end executable <--'.format(
            executable),
              file=std_err,
              flush=True)

    returncode = None
    try:
        proc = subprocess.Popen(executable,
                                stdout=std_out,
                                stderr=std_err,
                                shell=True,
                                executable='/bin/bash')
        proc.wait(timeout=timeout)
        returncode = proc.returncode

    except subprocess.TimeoutExpired:
        raise pe.AppTimeout("[{}] App exceeded walltime: {}".format(
            func_name, timeout))

    except Exception as e:
        raise pe.AppException(
            "[{}] App caught exception: {}".format(func_name, proc.returncode),
            e)

    if returncode != 0:
        raise pe.AppFailure(
            "[{}] App failed with exit code: {}".format(
                func_name, proc.returncode), proc.returncode)

    # TODO : Add support for globs here

    missing = []
    for outputfile in kwargs.get('outputs', []):
        fpath = outputfile
        if type(outputfile) != str:
            fpath = outputfile.filepath

        if not os.path.exists(fpath):
            missing.extend([outputfile])

    if missing:
        raise pe.MissingOutputs("[{}] Missing outputs".format(func_name),
                                missing)

    return returncode