nginx: now that we also have a cert for roadhouse.ubuntu-it.org also redirect the default site

Signed-off-by: Mattia Rizzolo <mapreri@ubuntu.com>

roles/nginx/templates/sites/default.conf

@@ -7,9 +7,22 @@ server {
     listen [::]:80 default;
 
     location / {
-        return 204 "This is {{ inventory_hostname }}. If you came here there is a misconfiguration somewhere. Please inform gruppo-sistemisti@liste.ubuntu-it.org about the issue.";
-        add_header Content-Type text/plain;
+        return 302 https://$host$request_uri;
     }
 
     include /etc/nginx/snippets/dehydrated.conf;
 }
+
+server {
+    listen 443 default_server ssl http2;
+
+    ssl_certificate {{ ssl_home }}/localcerts/{{ inventory_hostname }}/fullchain.pem;
+    ssl_certificate_key {{ ssl_home }}/localcerts/{{ inventory_hostname }}/privkey.pem;
+
+    location / {
+        return 200 "This is {{ inventory_hostname }}. If you came here there is a misconfiguration somewhere. Please inform gruppo-sistemisti@liste.ubuntu-it.org about the issue.";
+        add_header Content-Type text/plain;
+    }
+
+    include snippets/dehydrated.conf;
+}