dicos/99_one-frontend.xml: Début du travail sur le support HTTPS

Ajout d'une configuration nginx "basique".
Ouverture des ports du firewall
Création du script d'activation de la configuration nginx

ref #9081 @3h

tmpl/nginx-nebula.conf

@@ -0,0 +1,30 @@
+#### OpenNebula Sunstone upstream
+upstream sunstone  {
+         server 127.0.0.1:%%port_sunstone;
+#         server %%adresse_ip_eth0:%%port_sunstone;
+}
+
+#### cloudserver.org HTTP virtual host
+server {
+        listen 80;
+        server_name cloudserver.org;
+
+        ### Permanent redirect to HTTPS (optional)
+        return 301 https://$server_name:443;
+}
+
+#### cloudserver.org HTTPS virtual host
+server {
+        listen 443;
+        server_name cloudserver.org;
+
+        ### SSL Parameters
+        ssl on;
+        ssl_certificate %%server_pem;
+        ssl_certificate_key %%server_key;
+
+        ### Proxy requests to upstream
+        location / {
+                 proxy_pass http://sunstone;
+        }
+}

tmpl/sunstone-server.conf

@@ -28,8 +28,8 @@
 
 # Server Configuration
 #
-#:host: 127.0.0.1
-:host: %%ip_sunstone
+:host: 127.0.0.1
+#:host: %%ip_sunstone
 :port: %%port_sunstone
 
 # Place where to store sessions, this value can be memory or memcache