Extend log format

jobs/nginx/templates/nginx.conf.erb

@@ -4,7 +4,7 @@
 #
 # This is optional and can be seen as a additional security feature.
 # If you have a sound network configuration that guarantees that only
-# request from the loadbalancers network can reach the ssl-gateway, 
+# request from the loadbalancers network can reach the ssl-gateway,
 # you can leave it off.
 user  vcap;
 worker_processes  12;
@@ -26,17 +26,19 @@ http {
   <% if p('a9s_ssl_gateway.enable_proxy_protocol') %>
   log_format  main  '$proxy_protocol_addr - $remote_user [$time_local] "$request" '
                     '$status $body_bytes_sent "$http_referer" '
-                    '"$http_user_agent" "$http_x_forwarded_for"';
+                    '"$http_user_agent" "$http_x_forwarded_for" '
+                    '$connection $connection_requests $request_length $request_time';
   <% else %>
   log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
                     '$status $body_bytes_sent "$http_referer" '
-                    '"$http_user_agent" "$http_x_forwarded_for"';
+                    '"$http_user_agent" "$http_x_forwarded_for" '
+                    '$connection $connection_requests $request_length $request_time';
   <% end %>
 
   access_log  /var/vcap/sys/log/nginx/access.log  main;
-  
+
   <% if p('a9s_ssl_gateway.enable_proxy_protocol') %>
-    <% p('a9s_ssl_gateway.load_balancer_address').each do |load_balancer| %> 
+    <% p('a9s_ssl_gateway.load_balancer_address').each do |load_balancer| %>
   set_real_ip_from <%= load_balancer %>;
     <% end %>
   real_ip_header proxy_protocol;