ch <- prometheus.MustNewConstMetric(
			prometheus.NewDesc(
				prometheus.BuildFQName(healMetricsNamespace, "objects", "heal_failed"),
				"Objects for which healing failed in current self healing run",
				[]string{"mount_path", "volume_status"}, nil),
			prometheus.GaugeValue,
			float64(v), s[0], s[1],
		)
	}
}

// collects http metrics for MinIO server in Prometheus specific format
// and sends to given channel