graylog : update documentation

terranix/graylog/nginx.nix

@@ -1,5 +1,31 @@
+/*
+
+# use this nginx configuration
+# to send data to these inputs
+
+log_format graylog2_json escape=json '{ "timestamp": "$time_iso8601", '
+  '"facility": "nginx", '
+  '"src_addr": "$remote_addr", '
+  '"body_bytes_sent": $body_bytes_sent, '
+  '"request_time": $request_time, '
+  '"response_status": $status, '
+  '"request": "$request", '
+  '"request_method": "$request_method", '
+  '"host": "$host",'
+  '"upstream_cache_status": "$upstream_cache_status",'
+  '"upstream_addr": "$upstream_addr",'
+  '"http_x_forwarded_for": "$http_x_forwarded_for",'
+  '"http_referrer": "$http_referer", '
+  '"http_user_agent": "$http_user_agent" }';
+
+access_log syslog:server=${access_log_input} graylog2_json;
+error_log syslog:server=${error_log_input};
+
+*/
+
 with builtins; {
 
+
   resource = {
 
     graylog_input = {