From 6d07c3e6b637861ebab20affb4a3274d92a54a9b Mon Sep 17 00:00:00 2001
From: Lingxian Kong <anlin.kong@gmail.com>
Date: Thu, 8 Oct 2015 15:48:12 +0800
Subject: [PATCH] Delivering error message via header in pecan.abort

This patch correlates with [1] in client side, when authentication
failed, the error message should be delivered to client side.

[1]: https://review.openstack.org/232395

Change-Id: I6a6ced466c05849fd9ff3dcd8377a57c9e9b595f
Closes-Bug: #1502840
---
 mistral/context.py | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/mistral/context.py b/mistral/context.py
index 455e0b34..c404fb9b 100644
--- a/mistral/context.py
+++ b/mistral/context.py
@@ -207,7 +207,11 @@ class AuthHook(hooks.PecanHook):
             else:
                 msg = 'Authentication required'
 
-            pecan.abort(status_code=401, detail=msg)
+            pecan.abort(
+                status_code=401,
+                detail=msg,
+                headers={'Server-Error-Message': msg}
+            )
 
 
 class ContextHook(hooks.PecanHook):