def last_required_reboot_performed()

in sdw_updater/Updater.py [0:0]

• 11 lines of code
• 4 McCabe index (conditional complexity)

def last_required_reboot_performed():
    """
    Checks if the dom0 flag file indicates that a reboot is required, and
    if so, will check current uptime with the data at which the reboot
    was requested. This will be used by the _write_updates_status_flag_to_disk
    function to preserve the status UPDATES_REQUIRED instead of updating.
    """
    flag_contents = read_dom0_update_flag_from_disk(with_timestamp=True)

    # No flag exists on disk (yet)
    if flag_contents is None:
        return True

    if int(flag_contents["status"]) == int(UpdateStatus.REBOOT_REQUIRED.value):
        reboot_time = datetime.strptime(flag_contents["last_status_update"], DATE_FORMAT)
        boot_time = datetime.now() - _get_uptime()

        # The session was started *before* the reboot was requested by
        # the updater, system was not rebooted after previous run
        if boot_time < reboot_time:
            return False

        # system was rebooted after flag was written to disk
        return True

    # previous run did not require reboot
    return True