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filesystem: surface device errors (#2923)

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filesystem: surface filesystem device error

Fixes: #2918
---------

Signed-off-by: Pamela Mei i540369 <pamela.mei@sap.com>
This commit is contained in:
Pamela Mei 2024-02-18 19:04:30 +08:00 committed by GitHub
parent 09014c0c5c
commit 12192475c8
No known key found for this signature in database
GPG Key ID: B5690EEEBB952194
2 changed files with 16 additions and 13 deletions
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18
collector/filesystem_common.go
View File

@ -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 chan<- prometheus.Metric) error {
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 chan<- prometheus.Metric) error {
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

3
collector/filesystem_linux.go
View File

@ -85,6 +85,7 @@ func (c *filesystemCollector) GetStats() ([]filesystemStats, error) {
stuckMountsMtx.Lock()
if _, ok := stuckMounts[labels.mountPoint]; ok {
labels.deviceError = "mountpoint timeout"
stats = append(stats, filesystemStats{
labels: labels,
deviceError: 1,
@ -125,6 +126,7 @@ func (c *filesystemCollector) processStat(labels filesystemLabels) filesystemSta
close(success)
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,
@ -215,6 +217,7 @@ func parseFilesystemLabels(r io.Reader) ([]filesystemLabels, error) {
mountPoint: rootfsStripPrefix(parts[1]),
fsType: parts[2],
options: parts[3],
deviceError: "",
})
}