Method setupNewDefault

logging.go:137–203

(ctx Context)

}

func (logging *Logging) setupNewDefault(ctx Context) error {
	if logging.Logs == nil {
		logging.Logs = make(map[string]*CustomLog)
	}

	// extract the user-defined default log, if any
	newDefault := new(defaultCustomLog)
	if userDefault, ok := logging.Logs[DefaultLoggerName]; ok {
		newDefault.CustomLog = userDefault
	} else {
		// if none, make one with our own default settings
		var err error
		newDefault, err = newDefaultProductionLog()
		if err != nil {
			return fmt.Errorf("setting up default Caddy log: %v", err)
		}
		logging.Logs[DefaultLoggerName] = newDefault.CustomLog
	}

	// options for the default logger
	options, err := newDefault.CustomLog.buildOptions()
	if err != nil {
		return fmt.Errorf("setting up default log: %v", err)
	}

	// set up this new log
	err = newDefault.CustomLog.provision(ctx, logging)
	if err != nil {
		return fmt.Errorf("setting up default log: %v", err)
	}

	filteringCore := &filteringCore{newDefault.CustomLog.core, newDefault.CustomLog}
	newDefault.logger = zap.New(filteringCore, options...)

	// redirect the default caddy logs
	defaultLoggerMu.Lock()
	oldDefault := defaultLogger
	defaultLogger = newDefault
	defaultLoggerMu.Unlock()

	// if the new writer is different, indicate it in the logs for convenience
	var newDefaultLogWriterKey, currentDefaultLogWriterKey string
	var newDefaultLogWriterStr, currentDefaultLogWriterStr string
	if newDefault.writerOpener != nil {
		newDefaultLogWriterKey = newDefault.writerOpener.WriterKey()
		newDefaultLogWriterStr = newDefault.writerOpener.String()
	}
	if oldDefault.writerOpener != nil {
		currentDefaultLogWriterKey = oldDefault.writerOpener.WriterKey()
		currentDefaultLogWriterStr = oldDefault.writerOpener.String()
	}
	if newDefaultLogWriterKey != currentDefaultLogWriterKey {
		oldDefault.logger.Info("redirected default logger",
			zap.String("from", currentDefaultLogWriterStr),
			zap.String("to", newDefaultLogWriterStr),
		)
	}