@_handle_container_not_found
    def get_cdn_metadata(self, container):
        uri = "%s/%s" % (self.uri_base, utils.get_name(container))
        resp, resp_body = self.api.cdn_request(uri, "HEAD")
        ret = dict(resp.headers)
        # Remove non-CDN headers
        ret.pop("content-length", None)
        ret.pop("content-type", None)
        ret.pop("date", None)
        return ret
Returns a dictionary containing the CDN metadata for the container. If
dataset/ETHPy150Open rackspace/pyrax/pyrax/object_storage.py/ContainerManager.get_cdn_metadata