resolver.py 文件源码

def resolve_reference_ucp(cls, design_uri):
        """Retrieve artifacts from a UCP service endpoint.

        Return a byte array of the response content. Assumes Keystone
        authentication required.

        :param design_uri: Tuple as returned by urllib.parse for the design reference
        """
        ks_sess = KeystoneUtils.get_session()
        (new_scheme, foo) = re.subn('^[^+]+\+', '', design_uri.scheme)
        url = urllib.parse.urlunparse((new_scheme, design_uri.netloc, design_uri.path,
                                       design_uri.params, design_uri.query, design_uri.fragment))
        logger = logging.getLogger(__name__)
        logger.debug("Calling Keystone session for url %s" % str(url))
        resp = ks_sess.get(url)
        if resp.status_code >= 400:
            raise errors.InvalidDesignReference(
                "Received error code for reference %s: %s - %s" % (url, str(resp.status_code), resp.text))
        return resp.content