set_configs.py 文件源码

def execute_config_strategy(config):
    config_strategy = os.environ.get("KOLLA_CONFIG_STRATEGY")
    LOG.info("Kolla config strategy set to: %s", config_strategy)
    if config_strategy == "COPY_ALWAYS":
        copy_config(config)
        handle_permissions(config)
    elif config_strategy == "COPY_ONCE":
        if os.path.exists('/configured'):
            raise ImmutableConfig(
                "The config strategy prevents copying new configs",
                exit_code=0)
        else:
            copy_config(config)
            handle_permissions(config)
            os.mknod('/configured')
    else:
        raise InvalidConfig('KOLLA_CONFIG_STRATEGY is not set properly')