Re:jc: Converts the output of popular command-line tools to ...
by dale_glass on Friday December 08, 2023 @09:51AM
(#38569708)
You can get that out of journald.
journalctl -o json
And applications using journald directly can provide their own custom fields.
Though I guess the real endgame here is for upstream tools to eventually recognize the value and learn how to directly supply structured output.