From 9a36e7cda45f8b35f6d5325c3b9c77b80d7e1847 Mon Sep 17 00:00:00 2001
From: jichenjc <jichenjc@cn.ibm.com>
Date: Fri, 28 Jul 2017 01:48:56 +0800
Subject: [PATCH] add description about key_name

add description about key_name, which tells user 'null' is not
accepted parameter.

this is ths solution that other than change the code.

Change-Id: Id84c7803fdd44961497cd35c15ece98e2852d4f6
Related-Bug: 1700825
---
 api-ref/source/parameters.yaml | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/api-ref/source/parameters.yaml b/api-ref/source/parameters.yaml
index c1c04933d5b7..2bbf016e7b34 100644
--- a/api-ref/source/parameters.yaml
+++ b/api-ref/source/parameters.yaml
@@ -3453,9 +3453,14 @@ ip_range_delete:
 key_name:
   description: |
     Key pair name.
+    .. note::
+
+      The ``null`` value allowed in Nova legacy v2 API, but due to the strict
+      input validation, it isn't allowed in Nova v2.1 API.
   in: body
   required: false
   type: string
+
 key_name_resp:
   description: |
     The name of associated key pair, if any.