meta node status is always 'none' in the output of 'show cluster'

[localvar]

Describe the bug（Bug 描述）

in the output of show cluster, meta node status is always none, no matter the node is up or dow.

To Reproduce（Bug 复现步骤）

> show cluster
+---------------------+--------+---------------------+--------+----------+
|        time         | status |      hostname       | nodeID | nodeType |
+---------------------+--------+---------------------+--------+----------+
| 1710300701177100770 | none   | 192.168.1.14:8091   |      1 | meta     |
| 1710300701177100770 | none   | 192.168.1.44:8091   |      3 | meta     |
| 1710300701177100770 | none   | 192.168.1.62:8091   |      4 | meta     |
| 1710300701177100770 | failed | 192.168.1.62:8400   |      2 | data     |
| 1710300701177100770 | alive  | 192.168.1.44:8400   |      5 | data     |
| 1710300701177100770 | alive  | 192.168.1.14:8400   |      6 | data     |
+---------------------+--------+---------------------+--------+----------+
5 columns, 6 rows in set
``

[shilinlee]

The meta status is not supported. It is always none.

[localvar]

The meta status is not supported. It is always none.

Do you mean it is an expected behavior?

[xiangyu5632]

The meta status is not supported. It is always none.

Do you mean it is an expected behavior?

是的，获取meta的状态信息还没实现，所以用none来表示。如果show cluster不显示meta，又感觉缺了meta的状态，这样也不太合适。

[localvar]

In this case, I think change it to something like WIP, TBD or Not Implemented would be better because the meaning of these phrases are clear while none is not.

The meta status is not supported. It is always none.

Do you mean it is an expected behavior?

是的，获取meta的状态信息还没实现，所以用none来表示。如果show cluster不显示meta，又感觉缺了meta的状态，这样也不太合适。

[xiangyu5632]

Good idea