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