utils.py 文件源码

def discover_configured_core(device_name, dip, config_file):
    cfg = GroupConfigFile(config_file)
    gg_core = None
    # Discover Greengrass Core

    discovered, discovery_info = ggc_discovery(
        device_name, dip, retry_count=10
    )
    logging.info("[discover_cores] Device: {0} discovery success".format(
        device_name)
    )

    # find the configured Group's core
    for group in discovery_info.getAllGroups():
        dump_core_info_list(group.coreConnectivityInfoList)
        gg_core = group.getCoreConnectivityInfo(cfg['core']['thing_arn'])

        if gg_core:
            logging.info('Found the configured core and Group CA.')
            break

    return gg_core, discovery_info