Pipelining

Depends on: %Better node logs

Motivation

Objective: Refactoring log engine and remove deprecated libraries Key Result: lwt_log is removed from octez, colors are added to logs

Scope

The goal of this milestone is to refactor the log engine by

• removing of concurrent implementation of similar behaviors (lwt_log and sinks) ;
• removing lwt_log, a deprecated library ;
• improve UX by adding colors to logs thanks to the newly refactored engine.

Design

https://codimd.nomadic-labs.com/KV7p9WPOTI6AUenb1xINnQ

Work Breakdown

• Follow XDG convention, e.g. $XDG_STATE_HOME/octez/logs/node/YYYY-MM-DD.log (or node-) (#5155 (closed) !7849 (merged))
• (days) Generate file with all event definitions and add guidelines (identifier and message with placeholders) (#5201 !7962)
• (days) Daily logs in the baker (#5259 (closed) !8232 (merged))
• (weeks) Lwt log removal (final MR !8073)
  • (weeks) Replace lwt_log features
    • (days) Syslog (#5202 (closed) !8172 (merged))
    • (days) Nicer printer for sinks (#5203 !8173 (merged))
    • (days) URI typed builder (!8177 (merged))
    • (days) Config rules (#5204 (closed) !8178 (merged))
    • (days) Handle syslog in sinks (!8592 (merged))
  • (days) Design new stdout sink and set it by default + remove lwt_log library (#4900 !8073)
• (days) Introduce colors into logs (#4583 !8685)

Future work:

• fix external validator log files #4837
  • Homogenize between logs between node and external validator (!7837 (merged))
  • (days) Use different output files for external validator
  • (days) make tezt read both files