cfg.AuditKafka = make(map[string]kafka.Config)
		if cfg, err = lookupAuditKafkaConfig(scfg, cfg); err != nil {
			return cfg, err
		}
	}
	return cfg, nil
}

// ValidateSubSysConfig - validates logger related config of given sub-system
func ValidateSubSysConfig(ctx context.Context, scfg config.Config, subSys string) error {
	// Lookup for legacy environment variables first
	_, err := LookupConfigForSubSys(ctx, scfg, subSys)

	// Last whole minute stats
	TotalRequests, FailedRequests int64
	AvgSuccRTTMs                  float64
	MaxSuccRTTMs                  float64
}

// Metrics reports metrics related to plugin service reachability and stats for the last whole minute
func (o *AuthNPlugin) Metrics() Metrics {
	if o == nil {
		// Return empty metrics when not configured.
		return Metrics{}
	}

	NotifyRedisSubSys,
	NotifyWebhookSubSys,
)

// LambdaSubSystems - all lambda sub-systems
var LambdaSubSystems = set.CreateStringSet(
	LambdaWebhookSubSys,
)

// LoggerSubSystems - all sub-systems related to logger
var LoggerSubSystems = set.CreateStringSet(
	LoggerWebhookSubSys,
	AuditWebhookSubSys,
	AuditKafkaSubSys,
)

// SubSystems - all supported sub-systems
var SubSystems = madmin.SubSystems