Python InstallEngine.dataset方法代码示例

# 需要导入模块: from solaris_install.engine import InstallEngine [as 别名]
# 或者: from solaris_install.engine.InstallEngine import dataset [as 别名]
def main():
    """ primary execution function for distro_const
    """
    # clear the error service to be sure that we start with a clean slate
    errsvc.clear_error_list()

    options, args = parse_args()
    manifest = args[-1]
    pause_checkpoint = None
    resume_checkpoint = None

    verbose = options.verbose
    list_cps = options.list_checkpoints

    try:
        # We initialize the Engine with stop_on_error set so that if there are
        # errors during manifest parsing, the processing stops
        eng = InstallEngine(debug=False, stop_on_error=True)

        global DC_LOGGER
        DC_LOGGER = logging.getLogger(INSTALL_LOGGER_NAME)

        # set the logfile name
        log_name = "log.%s" % time.strftime("%Y-%m-%d.%H:%M")
        detail_log_name = "detail-%s" % log_name
        simple_log_name = "simple-%s" % log_name

        # create an additional FileHandler for a simple log
        base, logfile = os.path.split(DEFAULTLOG)
        simple_logname = os.path.join(base, "simple-" + logfile)
        simple_fh = FileHandler(simple_logname)
        simple_fh.setLevel(logging.INFO)
        DC_LOGGER.addHandler(simple_fh)

        if options.resume_checkpoint:
            resume_checkpoint = options.resume_checkpoint
            DC_LOGGER.info("distro_const will resume from:  " + \
                           resume_checkpoint)
        if options.pause_checkpoint:
            pause_checkpoint = options.pause_checkpoint
            DC_LOGGER.info("distro_const will pause at:  " + pause_checkpoint)

        # create a simple StreamHandler to output messages to the screen
        set_stream_handler(DC_LOGGER, list_cps, verbose)

        base_dataset = None

        parse_manifest(manifest)

        # get a reference to the data object cache
        doc = eng.data_object_cache

        # validate the target section of the manifest
        zpool_name, base_dataset, base_action, base_dataset_mp = \
            validate_target()

        if list_cps:
            # set the execute flag of setup_build_dataset to 'False'
            # to prevent any actions from occuring. The TI checkpoint
            # needs to be registered with the engine for list_checkpoints
            # to work correctly.
            setup_build_dataset(zpool_name, base_dataset, base_action,
                base_dataset_mp, resume_checkpoint, execute=False)

            # set the InstallEngine.dataset property to enable snapshots
            eng.dataset = os.path.join(zpool_name, base_dataset, "build_data")

            list_checkpoints(DC_LOGGER)
        else:
            (base_dataset_mp, build_data_mp, logs_mp, media_mp) = \
                setup_build_dataset(zpool_name, base_dataset, base_action,
                    base_dataset_mp, resume_checkpoint)

            # update the DOC with actual directory values
            update_doc_paths(build_data_mp)

            # lock the dataset
            with Lockfile(os.path.join(base_dataset_mp, DC_LOCKFILE)):
                # output the log file path to the screen and transfer the logs
                new_detaillog = os.path.join(logs_mp, detail_log_name)
                new_simplelog = os.path.join(logs_mp, simple_log_name)
                DC_LOGGER.info("Simple log: %s" % new_simplelog)
                DC_LOGGER.info("Detail Log: %s" % new_detaillog)
                DC_LOGGER.transfer_log(destination=new_detaillog)
                simple_fh.transfer_log(destination=new_simplelog)

                # set the http_proxy if one is specified in the manifest
                dc_set_http_proxy(DC_LOGGER)

                # reset the InstallEngine.dataset property to enable snapshots
                eng.dataset = os.path.join(zpool_name, base_dataset,
                                           "build_data")

                # register each checkpoint listed in the execution section
                registered_checkpoints = register_checkpoints(DC_LOGGER)

                # now populate the DOC with the common information needed
                # by the various checkpoints -- pkg_img_path, etc
                doc_dict = {"pkg_img_path": os.path.join(build_data_mp,
                                                         "pkg_image"),
#.........这里部分代码省略.........