From c0b7382df2ad09bd9f1281eb3e61bf206d2df7fd Mon Sep 17 00:00:00 2001
From: Patrick Uiterwijk <puiterwijk@redhat.com>
Date: Thu, 10 Mar 2016 22:07:29 +0000
Subject: [PATCH] Allow to keep the host header through a setting

Signed-off-by: Patrick Uiterwijk <puiterwijk@redhat.com>
---
 playbooks/include/proxies-reverseproxy.yml               | 1 +
 roles/httpd/reverseproxy/tasks/main.yml                  | 1 +
 roles/httpd/reverseproxy/templates/reversepassproxy.conf | 5 +++++
 roles/httpd/reverseproxy/vars/main.yml                   | 1 +
 4 files changed, 8 insertions(+)

diff --git a/playbooks/include/proxies-reverseproxy.yml b/playbooks/include/proxies-reverseproxy.yml
index 4825f9bd6a..e029b30db7 100644
--- a/playbooks/include/proxies-reverseproxy.yml
+++ b/playbooks/include/proxies-reverseproxy.yml
@@ -455,6 +455,7 @@
     destname: qa-stg-phab
     # Talk directly to the app server, not haproxy
     proxyurl: http://phab.qa-stg01.qa.fedoraproject.org
+    keephost: true
     when: env == "staging"
 
   - role: httpd/reverseproxy
diff --git a/roles/httpd/reverseproxy/tasks/main.yml b/roles/httpd/reverseproxy/tasks/main.yml
index c4fa7bb0c0..bb69f55c11 100644
--- a/roles/httpd/reverseproxy/tasks/main.yml
+++ b/roles/httpd/reverseproxy/tasks/main.yml
@@ -4,6 +4,7 @@
 # - remotepath..
 # - proxyurl
 # - rewrite
+# - keephost
 
 - name: Copy in ProxyPassReverse for {{destname}} ({{website}}{{remotepath}})
   template: >
diff --git a/roles/httpd/reverseproxy/templates/reversepassproxy.conf b/roles/httpd/reverseproxy/templates/reversepassproxy.conf
index 4304709d4c..b7d6ff06d0 100644
--- a/roles/httpd/reverseproxy/templates/reversepassproxy.conf
+++ b/roles/httpd/reverseproxy/templates/reversepassproxy.conf
@@ -9,5 +9,10 @@ RequestHeader set X-Scheme https early
 RequestHeader set X-Forwarded-Proto https early
 
 {% endif %}
+
+{% if keephost %}
+ProxyPreserveHost On
+{% endif %}
+
 ProxyPass {{ localpath }} {{ proxyurl }}{{remotepath}}
 ProxyPassReverse {{ localpath }} {{ proxyurl }}{{remotepath}}
diff --git a/roles/httpd/reverseproxy/vars/main.yml b/roles/httpd/reverseproxy/vars/main.yml
index 61ee936ff3..751fac42b6 100644
--- a/roles/httpd/reverseproxy/vars/main.yml
+++ b/roles/httpd/reverseproxy/vars/main.yml
@@ -3,3 +3,4 @@ localpath: /
 destname: reversepassproxy
 rewrite: false
 header_scheme: false
+keephost: false