'Get meta data
:rtype: ``dict``'

def ex_get_meta_data(self):

    response = self.connection.request('', method='HEAD')
    if (response.status == httplib.NO_CONTENT):
        container_count = response.headers.get('x-account-container-count', 'unknown')
        object_count = response.headers.get('x-account-object-count', 'unknown')
        bytes_used = response.headers.get('x-account-bytes-used', 'unknown')
        temp_url_key = response.headers.get('x-account-meta-temp-url-key', None)
        return {'container_count': int(container_count), 'object_count': int(object_count), 'bytes_used': int(bytes_used), 'temp_url_key': temp_url_key}
    raise LibcloudError(('Unexpected    status    code:    %s' % response.status))
