Example #1
0
def run_backend(bypass_checks=False, flags_dict=None, frontend_pid=None):
    """
    Run the backend for the application.

    :param bypass_checks: whether we should bypass the checks or not
    :type bypass_checks: bool
    :param flags_dict: a dict containing the flag values set on app start.
    :type flags_dict: dict
    """
    # In the backend, we want all the components to log into logbook
    # that is: logging handlers and twisted logs
    from logbook.compat import redirect_logging
    from twisted.python.log import PythonLoggingObserver
    redirect_logging()
    observer = PythonLoggingObserver()
    observer.start()

    # NOTE: this needs to be used here, within the call since this function is
    # executed in a different process and it seems that the process/thread
    # identification isn't working 100%
    logger = get_logger()  # noqa

    # The backend is the one who always creates the certificates. Either if it
    # is run separately or in a process in the same app as the frontend.
    if flags.ZMQ_HAS_CURVE:
        generate_zmq_certificates()

    # ignore SIGINT since app.py takes care of signaling SIGTERM to us.
    signal.signal(signal.SIGINT, signal.SIG_IGN)
    signal.signal(signal.SIGTERM, signal_handler)

    if flags_dict is not None:
        dict_to_flags(flags_dict)

    # HACK we should be able to run the ensure_server anyway but right now it
    # breaks if we run it twice.
    if not flags.STANDALONE:
        # start the events server
        # This is not needed for the standalone bundle since the launcher takes
        # care of it.
        event_server.ensure_server()

    backend = LeapBackend(bypass_checks=bypass_checks,
                          frontend_pid=frontend_pid)
    backend.run()
Example #2
0
def run_backend(bypass_checks=False, flags_dict=None, frontend_pid=None):
    """
    Run the backend for the application.
    This is called from the main app.py entrypoint, and is run in a child
    subprocess.

    :param bypass_checks: whether we should bypass the checks or not
    :type bypass_checks: bool
    :param flags_dict: a dict containing the flag values set on app start.
    :type flags_dict: dict
    """
    # In the backend, we want all the components to log into logbook
    # that is: logging handlers and twisted logs
    from logbook.compat import redirect_logging
    from twisted.python.log import PythonLoggingObserver
    redirect_logging()
    observer = PythonLoggingObserver()
    observer.start()

    if flags_dict is not None:
        dict_to_flags(flags_dict)

    common_flags.STANDALONE = flags.STANDALONE

    # NOTE: this needs to be used here, within the call since this function is
    # executed in a different process and it seems that the process/thread
    # identification isn't working 100%
    logger = get_logger()  # noqa

    # The backend is the one who always creates the certificates. Either if it
    # is run separately or in a process in the same app as the frontend.
    if flags.ZMQ_HAS_CURVE:
        generate_zmq_certificates()

    # ignore SIGINT since app.py takes care of signaling SIGTERM to us.
    signal.signal(signal.SIGINT, signal.SIG_IGN)
    signal.signal(signal.SIGTERM, signal_handler)

    reactor.callWhenRunning(start_events_and_updater, logger)

    backend = LeapBackend(bypass_checks=bypass_checks,
                          frontend_pid=frontend_pid)
    backend.run()
Example #3
0
def run_backend(bypass_checks=False, flags_dict=None, frontend_pid=None):
    """
    Run the backend for the application.

    :param bypass_checks: whether we should bypass the checks or not
    :type bypass_checks: bool
    :param flags_dict: a dict containing the flag values set on app start.
    :type flags_dict: dict
    """
    # The backend is the one who always creates the certificates. Either if it
    # is run separately or in a process in the same app as the frontend.
    generate_zmq_certificates()

    # ignore SIGINT since app.py takes care of signaling SIGTERM to us.
    signal.signal(signal.SIGINT, signal.SIG_IGN)
    signal.signal(signal.SIGTERM, signal_handler)

    if flags_dict is not None:
        dict_to_flags(flags_dict)

    backend = LeapBackend(bypass_checks=bypass_checks,
                          frontend_pid=frontend_pid)
    backend.run()