From: Ian Main <imain@redhat.com>
Date: Fri, 1 Mar 2013 04:30:59 +0000 (-0500)
Subject: Only split roles if they are not None.
X-Git-Tag: 2014.1~768
X-Git-Url: https://review.fuel-infra.org/gitweb?a=commitdiff_plain;h=4df46a413a1c3ea3b5354fd88491d9484d9cc07c;p=openstack-build%2Fheat-build.git

Only split roles if they are not None.

Change-Id: I2fbfbd6f6b1c898f7032744f9411821d5d97048c
Signed-off-by: Ian Main <imain@redhat.com>
Fixes: bug #1136891
---

diff --git a/heat/common/context.py b/heat/common/context.py
index 80332c8c..8c28b897 100644
--- a/heat/common/context.py
+++ b/heat/common/context.py
@@ -186,7 +186,10 @@ class ContextMiddleware(wsgi.Middleware):
             tenant = headers.get('X-Tenant-Name')
             tenant_id = headers.get('X-Tenant-Id')
             auth_url = headers.get('X-Auth-Url')
-            roles = headers.get('X-Roles').split(',')
+            roles = headers.get('X-Roles')
+            if roles is not None:
+                roles = roles.split(',')
+
         except Exception:
             raise exception.NotAuthenticated()