From 97785352632ea942c00e52a3d248cd50d2fb46f3 Mon Sep 17 00:00:00 2001
From: Tetsuro Nakamura <tetsuro.nakamura.bc@hco.ntt.co.jp>
Date: Wed, 12 May 2021 02:46:41 +0000
Subject: [PATCH] Note env OS_PLACEMENT_API_VERSION support

The placement client (osc-placement) supports the
``OS_PLACEMENT_API_VERSION`` environment variable,
but it is not described in the ``openstack -h`` command.

So this patch adds the description as well as other
environment variables.

Change-Id: I41a3718bfa27ecf370c7375b4f761cda47866b1a
---
 osc_placement/plugin.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/osc_placement/plugin.py b/osc_placement/plugin.py
index 2b6be45..7373827 100644
--- a/osc_placement/plugin.py
+++ b/osc_placement/plugin.py
@@ -52,6 +52,7 @@ def build_option_parser(parser):
             'OS_PLACEMENT_API_VERSION',
             default=default
         ),
-        help='Placement API version, default=%s' % default)
+        help='Placement API version, default=%s '
+             '(Env: OS_PLACEMENT_API_VERSION)' % default)
 
     return parser