Apache frontend: Allow generic backends to be accessible using http

slapos/recipe/apache_frontend/template/apache.conf.in

@@ -34,6 +34,7 @@ CustomLog "%(access_log)s" common
 #LoadModule authz_core_module modules/mod_authz_core.so
 LoadModule authz_host_module modules/mod_authz_host.so
 LoadModule log_config_module modules/mod_log_config.so
+LoadModule deflate_module modules/mod_deflate.so
 LoadModule setenvif_module modules/mod_setenvif.so
 LoadModule version_module modules/mod_version.so
 LoadModule proxy_module modules/mod_proxy.so
@@ -89,14 +90,6 @@ Header append Vary User-Agent
 # SSL Configuration
 %(ssl_snippet)s
 
-# Dummy virtualhost redirecting to https. Note: will work only if https listens
-# on standard port (443)
-<VirtualHost *:%(plain_http_port)s>
-  RewriteEngine On
-  # Not using HTTPS? Ask that guy over there.
-  RewriteRule ^/(.*)$ https://%%{SERVER_NAME}%%{REQUEST_URI}
-</VirtualHost>
-
 <VirtualHost *:%(https_port)s>
   SSLEngine on
   SSLProxyEngine on
@@ -123,6 +116,21 @@ Header append Vary User-Agent
   ErrorDocument 404 /notfound.html
 </VirtualHost>
 
+<VirtualHost *:%(plain_http_port)s>
+  RewriteEngine On
+  ProxyPreserveHost On
+
+  # We accept generic (i.e not lamp) backends on http
+  RewriteMap apachemapgeneric txt:%(apachemap_path)s
+  RewriteCond ${apachemapgeneric:%%{SERVER_NAME}} >""
+  RewriteRule ^/(.*)$ ${apachemapgeneric:%%{SERVER_NAME}}/$1 [L,P]
+
+  # Not using HTTPS? Ask that guy over there.
+  # Dummy redirection to https. Note: will work only if https listens
+  # on standard port (443).
+  RewriteRule ^/(.*)$ https://%%{SERVER_NAME}%%{REQUEST_URI}
+</VirtualHost>
+
 # Include configuration file not operated by slapos. This file won't be erased
 # or changed when slapgrid is ran. It can be freely customized by node admin.
 Include %(custom_apache_conf)s