volker.raschek/prometheus-fail2ban-exporter
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Merge branch 'feat/base-up-metric-on-errors' into 'main'

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Feat/base up metric on errors

See merge request hectorjsmith/fail2ban-prometheus-exporter!19
This commit is contained in:
Hector 2021-04-07 20:35:39 +00:00
commit a406e019e2
1 changed files with 19 additions and 4 deletions
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21
src/exporter.go
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@ -43,6 +43,7 @@ var (
type Exporter struct {
db *fail2banDb.Fail2BanDB
lastError error
}
func (e *Exporter) Describe(ch chan<- *prometheus.Desc) {
@ -53,16 +54,26 @@ func (e *Exporter) Describe(ch chan<- *prometheus.Desc) {
}
func (e *Exporter) Collect(ch chan<- prometheus.Metric) {
ch <- prometheus.MustNewConstMetric(
metricUp, prometheus.GaugeValue, 1,
)
e.collectBadIpsPerJailMetrics(ch)
e.collectBannedIpsPerJailMetrics(ch)
e.collectEnabledJailMetrics(ch)
e.collectUpMetric(ch)
}
func (e *Exporter) collectUpMetric(ch chan<- prometheus.Metric) {
var upMetricValue float64 = 1
if e.lastError != nil {
upMetricValue = 0
}
ch <- prometheus.MustNewConstMetric(
metricUp, prometheus.GaugeValue, upMetricValue,
)
}
func (e *Exporter) collectBadIpsPerJailMetrics(ch chan<- prometheus.Metric) {
jailNameToCountMap, err := e.db.CountBadIpsPerJail()
e.lastError = err
if err != nil {
log.Print(err)
}
@ -76,6 +87,8 @@ func (e *Exporter) collectBadIpsPerJailMetrics(ch chan<- prometheus.Metric) {
func (e *Exporter) collectBannedIpsPerJailMetrics(ch chan<- prometheus.Metric) {
jailNameToCountMap, err := e.db.CountBannedIpsPerJail()
e.lastError = err
if err != nil {
log.Print(err)
}
@ -89,6 +102,8 @@ func (e *Exporter) collectBannedIpsPerJailMetrics(ch chan<- prometheus.Metric) {
func (e *Exporter) collectEnabledJailMetrics(ch chan<- prometheus.Metric) {
jailNameToEnabledMap, err := e.db.JailNameToEnabledValue()
e.lastError = err
if err != nil {
log.Print(err)
}