Merge pull request #30 from the-control-group/feature/set-real-ip

Support http_realip module

nginx/templates/config.jinja

 }
 
 http {
+    {% if 'set_real_ips' in nginx -%}
+    {% for ip in nginx.get('set_real_ips', {}).get('from_ips', []) -%}
+    set_real_ip_from {{ ip }};
+    {% endfor -%}
+    real_ip_header {{ nginx.get('set_real_ips', {}).get('real_ip_header', 'X-Forwarded-For') }};
+
+    {% endif -%}
     include /etc/nginx/mime.types;
     default_type  {{ nginx.get('default_type', 'application/octet-stream') }};
     log_format main '$scheme://$host:$server_port$uri$is_args$args $remote_addr:$remote_user "$request" $request_time $request_length:$bytes_sent $status "$http_referer" "$http_user_agent" "$http_x_forwarded_for"';

pillar.example

   user_auth_enabled: True
   with_luajit: False
   with_openresty: True
+  set_real_ips: # NOTE: to use this, nginx must have http_realip module enabled
+    from_ips:
+      - 10.10.10.0/24
+    real_ip_header: X-Forwarded-For
   modules:
     headers-more:
       source: http://github.com/agentzh/headers-more-nginx-module/tarball/v0.21