File add_device_error_label.patch of Package golang-github-prometheus-node_exporter

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File add_device_error_label.patch of Package golang-github-prometheus-node_exporter

Index: node_exporter-1.7.0/collector/filesystem_common.go
===================================================================
--- node_exporter-1.7.0.orig/collector/filesystem_common.go
+++ node_exporter-1.7.0/collector/filesystem_common.go
@@ -60,7 +60,7 @@ var (
 		"Regexp of filesystem types to ignore for filesystem collector.",
 	).Hidden().String()
 
-	filesystemLabelNames = []string{"device", "mountpoint", "fstype"}
+	filesystemLabelNames = []string{"device", "mountpoint", "fstype", "device_error"}
 )
 
 type filesystemCollector struct {
@@ -73,7 +73,7 @@ type filesystemCollector struct {
 }
 
 type filesystemLabels struct {
-	device, mountPoint, fsType, options string
+	device, mountPoint, fsType, options, deviceError string
 }
 
 type filesystemStats struct {
@@ -184,11 +184,11 @@ func (c *filesystemCollector) Update(ch
 
 		ch <- prometheus.MustNewConstMetric(
 			c.deviceErrorDesc, prometheus.GaugeValue,
-			s.deviceError, s.labels.device, s.labels.mountPoint, s.labels.fsType,
+			s.deviceError, s.labels.device, s.labels.mountPoint, s.labels.fsType, s.labels.deviceError,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.roDesc, prometheus.GaugeValue,
-			s.ro, s.labels.device, s.labels.mountPoint, s.labels.fsType,
+			s.ro, s.labels.device, s.labels.mountPoint, s.labels.fsType, s.labels.deviceError,
 		)
 
 		if s.deviceError > 0 {
@@ -197,23 +197,23 @@ func (c *filesystemCollector) Update(ch
 
 		ch <- prometheus.MustNewConstMetric(
 			c.sizeDesc, prometheus.GaugeValue,
-			s.size, s.labels.device, s.labels.mountPoint, s.labels.fsType,
+			s.size, s.labels.device, s.labels.mountPoint, s.labels.fsType, s.labels.deviceError,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.freeDesc, prometheus.GaugeValue,
-			s.free, s.labels.device, s.labels.mountPoint, s.labels.fsType,
+			s.free, s.labels.device, s.labels.mountPoint, s.labels.fsType, s.labels.deviceError,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.availDesc, prometheus.GaugeValue,
-			s.avail, s.labels.device, s.labels.mountPoint, s.labels.fsType,
+			s.avail, s.labels.device, s.labels.mountPoint, s.labels.fsType, s.labels.deviceError,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.filesDesc, prometheus.GaugeValue,
-			s.files, s.labels.device, s.labels.mountPoint, s.labels.fsType,
+			s.files, s.labels.device, s.labels.mountPoint, s.labels.fsType, s.labels.deviceError,
 		)
 		ch <- prometheus.MustNewConstMetric(
 			c.filesFreeDesc, prometheus.GaugeValue,
-			s.filesFree, s.labels.device, s.labels.mountPoint, s.labels.fsType,
+			s.filesFree, s.labels.device, s.labels.mountPoint, s.labels.fsType, s.labels.deviceError,
 		)
 	}
 	return nil
Index: node_exporter-1.7.0/collector/filesystem_linux.go
===================================================================
--- node_exporter-1.7.0.orig/collector/filesystem_linux.go
+++ node_exporter-1.7.0/collector/filesystem_linux.go
@@ -85,6 +85,7 @@ func (c *filesystemCollector) GetStats()
 
 			stuckMountsMtx.Lock()
 			if _, ok := stuckMounts[labels.mountPoint]; ok {
+				labels.deviceError = "mountpoint timeout"
 				stats = append(stats, filesystemStats{
 					labels:      labels,
 					deviceError: 1,
@@ -133,6 +134,7 @@ func (c *filesystemCollector) processSta
 	stuckMountsMtx.Unlock()
 
 	if err != nil {
+		labels.deviceError = err.Error()
 		level.Debug(c.logger).Log("msg", "Error on statfs() system call", "rootfs", rootfsFilePath(labels.mountPoint), "err", err)
 		return filesystemStats{
 			labels:      labels,
@@ -207,10 +209,11 @@ func parseFilesystemLabels(r io.Reader)
 		parts[1] = strings.Replace(parts[1], "\\011", "\t", -1)
 
 		filesystems = append(filesystems, filesystemLabels{
-			device:     parts[0],
-			mountPoint: rootfsStripPrefix(parts[1]),
-			fsType:     parts[2],
-			options:    parts[3],
+			device:      parts[0],
+			mountPoint:  rootfsStripPrefix(parts[1]),
+			fsType:      parts[2],
+			options:     parts[3],
+			deviceError: "",
 		})
 	}

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File add_device_error_label.patch of Package golang-github-prometheus-node_exporter

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