hecate_plugin_logger (hecate_sdk v0.6.2)

JSON log formatter for OTP logger.

Produces one JSON line per log event, suitable for journald and machine parsing. Uses the OTP 27 json module.

Output example: {"ts":"2026-03-15T10:30:00.123456Z","level":"info", "msg":"Store ready","plugin":"martha","pid":"pid"}

Configure in sys.config: {kernel, [{logger, [{handler, default, logger_std_h, #{ formatter => {hecate_plugin_logger, #{}} }}]}]}

Summary

Validate formatter config. Accepts any map.

Format a log event as a single JSON line.

-spec check_config(logger:formatter_config()) -> ok | {error, term()}.

Validate formatter config. Accepts any map.

-spec format(logger:log_event(), logger:formatter_config()) -> unicode:chardata().

Format a log event as a single JSON line.