provider.py 文件源码

def load_config(self):
        """Load config options from nova config file or command line (for example: /etc/nova/nova.conf)

        Sample settings in nova config:
            [kozinaki_EC2]
            user=AKIAJR7NAEIZPWSTFBEQ
            key=zv9zSem8OE+k/axFkPCgZ3z3tLrhvFBaIIa0Ik0j
        """

        provider_cls = get_libcloud_driver(getattr(Provider, self.provider_name))
        provider_cls_info = inspect.getargspec(provider_cls.__init__)

        provider_opts = [cfg.StrOpt(arg) for arg in provider_cls_info.args]
        provider_opts.append(cfg.StrOpt('location'))
        provider_opts.append(cfg.StrOpt('root_password'))
        provider_opts.append(cfg.StrOpt('project_id'))

        cfg.CONF.register_opts(provider_opts, self.config_name)
        return cfg.CONF[self.config_name]