Move Volume LUN 'errors' label to separate metric 'nexenta_volume_lun_errors'

main.go

@@ -85,6 +85,7 @@ type Exporter struct {
 	jbodSlotStatus 	*prometheus.Desc
 	licenseDaysLeft	*prometheus.Desc
 	volumeStatus   	*prometheus.Desc
+	volumeLunErrors *prometheus.Desc
 	volumeLunStatus *prometheus.Desc
 
 }
@@ -140,10 +141,16 @@ func NewExporter(uri string) *Exporter {
 			[]string{"volume", "state", "errors"},
 			prometheus.Labels{"host":*apiHost},
 		),
+		volumeLunErrors: prometheus.NewDesc(
+			prometheus.BuildFQName(namespace, "volume", "lun_errors"),
+			"Count of volume LUN errors.",
+			[]string{"volume", "lun", "read", "write", "checksum"},
+			prometheus.Labels{"host":*apiHost},
+		),
 		volumeLunStatus: prometheus.NewDesc(
 			prometheus.BuildFQName(namespace, "volume", "lun_status"),
 			"Status of volume LUN.",
-			[]string{"volume", "lun", "state", "errors", "group"},
+			[]string{"volume", "lun", "state", "group"},
 			prometheus.Labels{"host":*apiHost},
 		),
 		client: &http.Client{
@@ -162,6 +169,7 @@ func (e *Exporter) Describe(ch chan<- *prometheus.Desc) {
 	ch <- e.jbodVoltage
 	ch <- e.jbodSlotStatus
 	ch <- e.volumeStatus
+	ch <- e.volumeLunErrors
 	ch <- e.volumeLunStatus
 }
 
@@ -268,15 +276,16 @@ func (e *Exporter) getVolumeLuns(ch chan<- prometheus.Metric, volume string) err
 		errorsWrite, _  := strconv.ParseFloat(data[2], 64)
 		errorsChksum, _ := strconv.ParseFloat(data[3], 64)
 		volumeLunErrors = errorsRead + errorsWrite + errorsChksum
-		labelErrors := strconv.FormatFloat(volumeLunErrors, 'f', 0, 64)
 		if len(data) > 0 {
 			if (data[5] != "spares" && data[0] == "ONLINE") ||
 			   (data[5] == "spares" && data[0] == "AVAIL") {
 				volumeLunStatus = 1
 			}
 		}
+		ch <- prometheus.MustNewConstMetric(e.volumeLunErrors, prometheus.GaugeValue, volumeLunErrors,
+			volume, lun, data[1], data[2], data[3])
 		ch <- prometheus.MustNewConstMetric(e.volumeLunStatus, prometheus.GaugeValue, volumeLunStatus,
-			volume, lun, data[0], labelErrors, data[5])
+			volume, lun, data[0], data[5])
 	}
 
 	return err