'Ensure that the pool listing contains at least one pool'

def _check_pools(self):

    if (not self._get_storage_pools()):
        msg = _('No    pools    are    available    for    provisioning    volumes.    Ensure    that    the    configuration    option    netapp_pool_name_search_pattern    is    set    correctly.')
        raise exception.NetAppDriverException(msg)
