Viper Article - Watch Viper config

task-reload.go

	// Setup Scheduler
	scheduler = tasks.New()
	defer scheduler.Stop()

	// Config Reload
	if cfg.GetInt("config_watch_interval") > 0 {
		_, err := scheduler.Add(&tasks.Task{
			Interval: time.Duration(cfg.GetInt("config_watch_interval")) * time.Second,
			TaskFunc: func() error {
				// Reload config using Viper's Watch capabilities
				err := cfg.WatchRemoteConfig()
				if err != nil {
					return err
				}

				// Support hot enable/disable of debug logging
				if cfg.GetBool("debug") {
					log.Level = logrus.DebugLevel
				}

				// Support hot enable/disable of trace logging
				if cfg.GetBool("trace") {
					log.Level = logrus.TraceLevel
				}

				// Support hot enable/disable of all logging
				if cfg.GetBool("disable_logging") {
					log.Level = logrus.FatalLevel
				}

				log.Tracef("Config reloaded from Consul")
				return nil
			},
		})
		if err != nil {
			log.Errorf("Error scheduling Config watcher - %s", err)
		}
	}