Files
gluetun/internal/configuration/sources/env/log.go
2023-06-01 09:07:22 +00:00

54 lines
1.1 KiB
Go

package env
import (
"errors"
"fmt"
"strings"
"github.com/qdm12/gluetun/internal/configuration/settings"
"github.com/qdm12/log"
)
func (s *Source) readLog() (log settings.Log, err error) {
log.Level, err = s.readLogLevel()
if err != nil {
return log, err
}
return log, nil
}
func (s *Source) readLogLevel() (level *log.Level, err error) {
value := s.env.String("LOG_LEVEL")
if value == "" {
return nil, nil //nolint:nilnil
}
level = new(log.Level)
*level, err = parseLogLevel(value)
if err != nil {
return nil, fmt.Errorf("environment variable LOG_LEVEL: %w", err)
}
return level, nil
}
var ErrLogLevelUnknown = errors.New("log level is unknown")
func parseLogLevel(s string) (level log.Level, err error) {
switch strings.ToLower(s) {
case "debug":
return log.LevelDebug, nil
case "info":
return log.LevelInfo, nil
case "warning":
return log.LevelWarn, nil
case "error":
return log.LevelError, nil
default:
return level, fmt.Errorf(
"%w: %q is not valid and can be one of debug, info, warning or error",
ErrLogLevelUnknown, s)
}
}