Honeydipper uses stdout and stderr for logging. The stdout is used for all levels of logs, while stderr is used for reporting warning or more critical messages. The daemon and each driver can be configured individually on logging verbosity. Just put the verbosity level in drivers.<driver name>.loglevel. Use daemon as driver name for daemon logging.
For example:
---
drivers:
daemon:
loglevel: INFO
web:
loglevel: DEBUG
webhook:
loglevel: WARNING
The supported levels are, from most critical to least:
CRITICALERRORWARNINGNOTICEINFODEBUG