feat: add a logging interface, dependency injectable loggers

[mojomex]

PR Type

• Improvement

Related Links

• feat: support Aeva Aeries II #169 -- first introduced here

Description

This PR adds an abstract nebula::drivers::loggers::Logger interface that provides the following functions:

• debug(msg)
• info(msg)
• warn(msg)
• error(msg)
• child(name) -> std::shared_ptr<Logger> which creates a child logger (names are concatenated with .)

A NEBULA_LOG_STREAM(log_func, stream_args) macro is also provided for convenience.

There are currently two implementations of this interface:

• nebula::drivers::loggers::ConsoleLogger (in nebula_common)
• nebula::drivers::loggers::RclcppLogger (in nebula_ros)

The motivation of this PR is to, in the long run, remove the dependency on RCLCPP from all Nebula packages except nebula_ros.

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• Commits are properly organized and messages are according to the guideline
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Post-Review Checklist for the PR Author

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• All open points are addressed and tracked via issues or tickets

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 26.10%. Comparing base (47efeed) to head (4136ccb).
Report is 2 commits behind head on main.

Additional details and impacted files

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##             main     #233   +/-   ##
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  Coverage   26.10%   26.10%           
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  Files         100      100           
  Lines        9218     9218           
  Branches     2215     2215           
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  Hits         2406     2406           
  Misses       6423     6423           
  Partials      389      389           

Flag	Coverage Δ
differential	26.10% <ø> (?)
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[drwnz]

LGTM!