[[inputs.logparser]] no output in --test mode and no metrics

Yes this is a good tool “ngxtop”, NG|NX open source has no Status Page unfortunately and not so much metrics.

$ cat /etc/nginx/nginx.conf

http {
    log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
                      '$status $body_bytes_sent "$http_referer" '
                      '"$http_user_agent" "$http_x_forwarded_for"';

    access_log  /var/log/nginx/access.log  main;