ston1th/node_exporter
0
0
Fork 0
Code Issues Releases Activity

Collect at every scrape, rather than at regular intervals.

Browse source 
Switch to Update using the Collecter Collect interface, due to not knowing all
metricnames in all modules beforehand we can't use Describe and thus the full
Collecter interface.

Remove 'updates', it's meaning varies by module and doesn't add much.
This commit is contained in:
Brian Brazil 2014-10-29 14:16:43 +00:00
commit 1c17481a42
17 changed files with 193 additions and 286 deletions
Download patch file Download diff file Expand all files Collapse all files

15
collector/netdev.go
View file

@ -39,17 +39,17 @@ func NewNetDevCollector(config Config) (Collector, error) {
return &c, nil
}
func (c *netDevCollector) Update() (updates int, err error) {
func (c *netDevCollector) Update(ch chan<- prometheus.Metric) (err error) {
netStats, err := getNetStats()
if err != nil {
return updates, fmt.Errorf("Couldn't get netstats: %s", err)
return fmt.Errorf("Couldn't get netstats: %s", err)
}
for direction, devStats := range netStats {
for dev, stats := range devStats {
for t, value := range stats {
key := direction + "_" + t
if _, ok := netStatsMetrics[key]; !ok {
gv := prometheus.NewGaugeVec(
netStatsMetrics[key] = prometheus.NewGaugeVec(
prometheus.GaugeOpts{
Namespace: Namespace,
Subsystem: netStatsSubsystem,
@ -58,18 +58,19 @@ func (c *netDevCollector) Update() (updates int, err error) {
},
[]string{"device"},
)
netStatsMetrics[key] = prometheus.MustRegisterOrGet(gv).(*prometheus.GaugeVec)
}
updates++
v, err := strconv.ParseFloat(value, 64)
if err != nil {
return updates, fmt.Errorf("Invalid value %s in netstats: %s", value, err)
return fmt.Errorf("Invalid value %s in netstats: %s", value, err)
}
netStatsMetrics[key].WithLabelValues(dev).Set(v)
}
}
}
return updates, err
for _, m := range netStatsMetrics {
m.Collect(ch)
}
return err
}
func getNetStats() (map[string]map[string]map[string]string, error) {