cluster-node-add faild

When use senlin cluster-node-add has exist node,the node add faild, but the cluster-node-list record faild node message:

Add node to cluster:
# senlin cluster-node-add -n fabian_test cluster_001
WARNING (shell) "senlin cluster-node-add" is deprecated and will be removed by Apr 2017, please use "openstack cluster node members add" instead.
Request accepted by action: 6ae85970-4208-45fa-8d8c-c00455f98fb9

# senlin cluster-node-list cluster_001
WARNING (shell) "senlin cluster-node-list" is deprecated and will be removed by Apr 2017, please use "openstack cluster members list" instead.
+----------+-------------------+-------+--------+-------------+----------------------+
| id | name | index | status | physical_id | created_at |
+----------+-------------------+-------+--------+-------------+----------------------+
| 8f3f7cd1 | node-cbab4413-006 | 6 | ACTIVE | df8e0cf9 | 2017-07-26T06:36:13Z |
| 32b56212 | fabian_test | 7 | ACTIVE | 76ec24b9 | 2017-07-26T06:41:06Z |
+----------+-------------------+-------+--------+-------------+----------------------+

The cluster detail desired_capacity error:
# senlin cluster-show cluster_001
WARNING (shell) "senlin cluster-show" is deprecated and will be removed by Apr 2017, please use "openstack cluster show" instead.
+------------------+--------------------------------------------------------------------------------+
| Property | Value |
+------------------+--------------------------------------------------------------------------------+
| config | {} |
| created_at | 2017-05-26T09:04:50Z |
| data | {} |
| dependents | {} |
| desired_capacity | 1 |
| domain_id | - |
| id | cbab4413-b828-4fae-8c21-e145569472de |
| init_at | 2017-05-26T09:04:49Z |
| location | - |
| max_size | 5 |
| metadata | {} |
| min_size | 0 |
| name | cluster_001 |
| node_ids | 32b56212-a68e-4a1b-83d8-cbdd6ae3c4dc |
| | 8f3f7cd1-a31e-4660-a648-ee7947561bc1 |
| profile_id | 8c7ca125-3986-4464-880a-29eaf8a5ec7b |
| profile_name | profile_nova |
| project_id | 631b9209a992429fb70909d810a4d3b9 |
| status | ACTIVE |
| status_reason | CLUSTER_RESIZE: number of active nodes is equal or above desired_capacity (1). |
| timeout | 300 |
| updated_at | 2017-07-26T06:36:15Z |
| user_id | 0ed165520f9b443ca9040e4e1f44d7f0 |
+------------------+--------------------------------------------------------------------------------+

Log message:
2017-07-26 03:08:11.139 2440 ERROR senlin.engine.actions.base [req-cec6fc0b-9a97-40c7-be71-7978a439e2d3 0ed165520f9b443ca9040e4e1f44d7f0 631b9209a992429fb70909d810a4d3b9 - - -] Unexpected exception occurred during action NODE_JOIN (198ab879-b2d9-46bb-94a9-dcaa7a910178) execution: Not Found (HTTP 404)
2017-07-26 03:08:11.139 2440 ERROR senlin.engine.actions.base Traceback (most recent call last):
2017-07-26 03:08:11.139 2440 ERROR senlin.engine.actions.base File "/usr/lib/python2.7/site-packages/senlin/engine/actions/base.py", line 478, in ActionProc
2017-07-26 03:08:11.139 2440 ERROR senlin.engine.actions.base result, reason = action.execute()
2017-07-26 03:08:11.139 2440 ERROR senlin.engine.actions.base File "/usr/lib/python2.7/site-packages/senlin/engine/actions/node_action.py", line 270, in execute
2017-07-26 03:08:11.139 2440 ERROR senlin.engine.actions.base res, reason = self._execute()
2017-07-26 03:08:11.139 2440 ERROR senlin.engine.actions.base File "/usr/lib/python2.7/site-packages/senlin/engine/actions/node_action.py", line 236, in _execute
2017-07-26 03:08:11.139 2440 ERROR senlin.engine.actions.base return method()
2017-07-26 03:08:11.139 2440 ERROR senlin.engine.actions.base File "/usr/lib/python2.7/site-packages/osprofiler/profiler.py", line 153, in wrapper
2017-07-26 03:08:11.139 2440 ERROR senlin.engine.actions.base return f(*args, **kwargs)
2017-07-26 03:08:11.139 2440 ERROR senlin.engine.actions.base File "/usr/lib/python2.7/site-packages/senlin/engine/actions/node_action.py", line 162, in do_join
2017-07-26 03:08:11.139 2440 ERROR senlin.engine.actions.base result = self.entity.do_join(self.context, cluster_id)
2017-07-26 03:08:11.139 2440 ERROR senlin.engine.actions.base File "/usr/lib/python2.7/site-packages/senlin/engine/node.py", line 291, in do_join
2017-07-26 03:08:11.139 2440 ERROR senlin.engine.actions.base res = pb.Profile.join_cluster(context, self, cluster_id)
2017-07-26 03:08:11.139 2440 ERROR senlin.engine.actions.base File "/usr/lib/python2.7/site-packages/osprofiler/profiler.py", line 153, in wrapper
2017-07-26 03:08:11.139 2440 ERROR senlin.engine.actions.base return f(*args, **kwargs)
2017-07-26 03:08:11.139 2440 ERROR senlin.engine.actions.base File "/usr/lib/python2.7/site-packages/senlin/profiles/base.py", line 270, in join_cluster
2017-07-26 03:08:11.139 2440 ERROR senlin.engine.actions.base return profile.do_join(obj, cluster_id)
2017-07-26 03:08:11.139 2440 ERROR senlin.engine.actions.base File "/usr/lib/python2.7/site-packages/senlin/profiles/os/nova/server.py", line 1140, in do_join
2017-07-26 03:08:11.139 2440 ERROR senlin.engine.actions.base metadata = driver.server_metadata_get(obj.physical_id) or {}
2017-07-26 03:08:11.139 2440 ERROR senlin.engine.actions.base File "/usr/lib/python2.7/site-packages/senlin/drivers/openstack/sdk.py", line 99, in invoke_with_catch
2017-07-26 03:08:11.139 2440 ERROR senlin.engine.actions.base raise parse_exception(ex)
2017-07-26 03:08:11.139 2440 ERROR senlin.engine.actions.base File "/usr/lib/python2.7/site-packages/senlin/drivers/openstack/sdk.py", line 87, in parse_exception
2017-07-26 03:08:11.139 2440 ERROR senlin.engine.actions.base raise senlin_exc.InternalError(code=code, message=message)
2017-07-26 03:08:11.139 2440 ERROR senlin.engine.actions.base InternalError: Not Found (HTTP 404)
2017-07-26 03:08:11.139 2440 ERROR senlin.engine.actions.base
2017-07-26 03:08:11.215 2440 ERROR senlin.engine.event [req-cec6fc0b-9a97-40c7-be71-7978a439e2d3 0ed165520f9b443ca9040e4e1f44d7f0 631b9209a992429fb70909d810a4d3b9 - - -] fabian_test [32b56212] NODE_JOIN - error: Not Found (HTTP 404)
2017-07-26 03:08:12.911 2441 DEBUG senlin.engine.actions.cluster_action [req-cec6fc0b-9a97-40c7-be71-7978a439e2d3 0ed165520f9b443ca9040e4e1f44d7f0 631b9209a992429fb70909d810a4d3b9 - - -] CLUSTER_ADD_NODES [6ae85970] failed _wait_for_dependents /usr/lib/python2.7/site-packages/senlin/engine/actions/cluster_action.py:72
2017-07-26 03:08:12.971 2441 ERROR senlin.engine.event [req-cec6fc0b-9a97-40c7-be71-7978a439e2d3 0ed165520f9b443ca9040e4e1f44d7f0 631b9209a992429fb70909d810a4d3b9 - - -] cluster_001 [cbab4413] CLUSTER_ADD_NODES - error: CLUSTER_ADD_NODES [6ae85970] failed

So, I think cluster node add faild, the cluster ｉt should not be recorded faild node message.

In the following way, the bug will appear

１． senlin node-create -p xxx xxxx

2. nova delete obj_name

3. senlin cluster-node-add obj_name