ston1th/node_exporter
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Code Issues Releases Activity

Fix all open go lint and vet issues

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This commit is contained in:
Tobias Schmidt 2017-02-28 12:44:53 -04:00
commit c703435790
37 changed files with 136 additions and 129 deletions
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20
collector/zfs.go
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@ -24,20 +24,16 @@ import (
"github.com/prometheus/common/log"
)
var zfsNotAvailableError = errors.New("ZFS / ZFS statistics are not available")
var errZFSNotAvailable = errors.New("ZFS / ZFS statistics are not available")
type zfsSysctl string
// Metrics
type zfsMetric struct {
subsystem string // The Prometheus subsystem name.
name string // The Prometheus name of the metric.
sysctl zfsSysctl // The sysctl of the ZFS metric.
}
// Collector
func init() {
Factories["zfs"] = NewZFSCollector
}
@ -49,6 +45,7 @@ type zfsCollector struct {
linuxPathMap map[string]string
}
// NewZFSCollector returns a new Collector exposing ZFS statistics.
func NewZFSCollector() (Collector, error) {
var z zfsCollector
z.linuxProcpathBase = "spl/kstat/zfs"
@ -65,14 +62,13 @@ func NewZFSCollector() (Collector, error) {
return &z, nil
}
func (c *zfsCollector) Update(ch chan<- prometheus.Metric) (err error) {
func (c *zfsCollector) Update(ch chan<- prometheus.Metric) error {
for subsystem := range c.linuxPathMap {
err = c.updateZfsStats(subsystem, ch)
switch {
case err == zfsNotAvailableError:
log.Debug(err)
return nil
case err != nil:
if err := c.updateZfsStats(subsystem, ch); err != nil {
if err == errZFSNotAvailable {
log.Debug(err)
return nil
}
return err
}
}