Add support for X-Forwarded-Proto header

x_forwarded_proto.patch

From 16b30640057635cb6172888eec36961c6bcfd305 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Mathieu=20Gagne=CC=81?= <[email protected]>
Date: Fri, 4 Sep 2015 16:46:08 -0400
Subject: [PATCH] Add support for X-Forwarded-Proto header

This header allows the application to build proper URLs
when SSL termination is performed upstream.

Change-Id: I22cd74f03adea903c1763a59b5c863e2236db7dc
---
 nova/api/openstack/urlmap.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/nova/api/openstack/urlmap.py b/nova/api/openstack/urlmap.py
index 9c35bd3..d40ddb7 100644
--- a/nova/api/openstack/urlmap.py
+++ b/nova/api/openstack/urlmap.py
@@ -236,6 +236,9 @@ class URLMap(paste.urlmap.URLMap):
         return mime_type, app
 
     def __call__(self, environ, start_response):
+        proto = environ.get('HTTP_X_FORWARDED_PROTO', None)
+        if proto in ('http', 'https'):
+            environ['wsgi.url_scheme'] = proto
         host = environ.get('HTTP_HOST', environ.get('SERVER_NAME')).lower()
         if ':' in host:
             host, port = host.split(':', 1)
-- 
1.7.12.3