api.py 文件源码

def prepare_service(conf=None):
    if conf is None:
        conf = cfg.ConfigOpts()

    opts.set_defaults()
    policy_opts.set_defaults(conf)
    conf = service.prepare_service(conf=conf)
    cfg_path = conf.oslo_policy.policy_file
    if not os.path.isabs(cfg_path):
        cfg_path = conf.find_file(cfg_path)
    if cfg_path is None or not os.path.exists(cfg_path):
        cfg_path = os.path.abspath(os.path.join(os.path.dirname(__file__),
                                   '..', 'rest', 'policy.json'))
    conf.set_default('policy_file', cfg_path, group='oslo_policy')
    return conf