'Deletes the given volume and waits for it to be gone.'

@staticmethod
def _delete_volume(volumes_client, volume_id):

    try:
        volumes_client.delete_volume(volume_id)
        volumes_client.wait_for_resource_deletion(volume_id)
    except lib_exc.NotFound:
        LOG.warning("Unable    to    delete    volume    '%s'    since    it    was    not    found.    Maybe    it    was    already    deleted?", volume_id)
