ReopenOnSignal returns a function compatible with RunTasks.

WithOutputFile requires lossy copytruncate directive in logrotate.

WithReopenableOutputFile uses ReopenableFile to support handling a signal to rotate log files (e.g.

HCLogAdapter implements the hclog interface, and wraps it around a Logrus entry.

LocalTimeHook is a logrus hook that converts all log fields with type time.Time to local time.

An Option can change the Logger to apply desired configuration in NewLogger.