pye/internal/logging/log.go

36 lines
1,017 B
Go

package logging
import (
"io"
"log"
"log/slog"
"os"
"git.a71.su/Andrew71/pye/internal/config"
"github.com/go-chi/chi/middleware"
)
// Load makes slog output to both os.Stdout and a file if needed, and sets slog.LevelDebug if enabled.
func Load(debugMode bool) {
var w io.Writer
if config.Cfg.LogToFile {
f, err := os.OpenFile(config.Cfg.LogFile, os.O_RDWR|os.O_CREATE|os.O_APPEND, 0666)
if err != nil {
slog.Error("error opening log file, logging to stdout only", "path", config.Cfg.LogFile, "error", err)
return
}
// No defer f.Close() because that breaks the MultiWriter
w = io.MultiWriter(f, os.Stdout)
} else {
w = os.Stdout
}
// Make slog use intended format
var opts *slog.HandlerOptions
if debugMode {
opts = &slog.HandlerOptions{Level: slog.LevelDebug}
}
slog.SetDefault(slog.New(slog.NewTextHandler(w, opts)))
middleware.DefaultLogger = middleware.RequestLogger(&middleware.DefaultLogFormatter{Logger: log.Default(), NoColor: true})
slog.Debug("debug mode active")
}