Using slog instead of log

[purpose-robot]

Hello everyone,

how can I use slog instead of log when using goose?

When trying to set the default logger to slog, I got the following error message:

cannot use logger (variable of type *slog.Logger) as goose.Logger value in argument to goose.SetLogger: *slog.Logger does not implement goose.Logger (missing method Fatalf)

I figured out that I have to implement the missing Fatalf function in slog by myself but since I am still a beginner, I am not quite sure how to do this.

Can someone provide me with a working example or explain how I could achieve this?

Thanks.

[ousloob]

@purpose-robot
Like you said, to use slog instead of the default log package in Goose, you need to implement the goose.Logger interface.

type Slogger struct {
	*slog.Logger // embed *slog.Logger
}

// Printf implements the Printf method for goose.Logger
func (sl *Slogger) Printf(format string, v ...interface{}) {
	sl.Info(fmt.Sprintf(format, v...))
}

// Fatalf implements the Fatalf method for goose.Logger
func (sl *Slogger) Fatalf(format string, v ...interface{}) {
	sl.Error(fmt.Sprintf(format, v...))
	os.Exit(1) // Ensure the process exits on fatal errors
}