library/roles/nginx: Permit the customization of the large_client_header_buffers settings.

nginx/defaults/main.yml

@@ -25,6 +25,8 @@ nginx_multi_accept: 'off'
 nginx_worker_rlimit_nofile: 2048
 nginx_server_tokens: 'off'
 
+nginx_large_client_header_buffers: 4 8k
+
 nginx_enable_compression: True
 nginx_gzip_vary: "on"
 nginx_gzip_proxied: any

nginx/templates/nginx.conf.j2

@@ -19,6 +19,7 @@ http {
     # server_name_in_redirect off;
     include /etc/nginx/mime.types;
     default_type application/octet-stream;
+    large_client_header_buffers {{ nginx_large_client_header_buffers }};
     ##
     # Logging Settings
     ##