'List of command line parameters to be passed to ceph commands to
reflect RBDDriver configuration such as RBD user name and location
of ceph.conf.'

def ceph_args(self):

    args = []
    if self.rbd_user:
        args.extend(['--id', self.rbd_user])
    if self.ceph_conf:
        args.extend(['--conf', self.ceph_conf])
    return args
