scannerLastActivitySecondsMD = NewGaugeMD(scannerLastActivitySeconds,
		"Time elapsed (in seconds) since last scan activity.")
)

// loadClusterScannerMetrics - `MetricsLoaderFn` for cluster webhook
// such as failed objects and directories scanned.
func loadClusterScannerMetrics(ctx context.Context, m MetricValues, c *metricsCache) error {
	m.Set(scannerBucketScansFinished, float64(globalScannerMetrics.lifetime(scannerMetricScanBucketDrive)))

			scannerBucketScansFinishedMD,
			scannerBucketScansStartedMD,
			scannerDirectoriesScannedMD,
			scannerObjectsScannedMD,
			scannerVersionsScannedMD,
			scannerLastActivitySecondsMD,
		},
		loadClusterScannerMetrics,
	)

	loggerWebhookMG := NewMetricsGroup(loggerWebhookCollectorPath,
		[]MetricDescriptor{
			webhookFailedMessagesMD,
			webhookQueueLengthMD,
			webhookTotalMessagesMD,
		},