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Add TLS certs expiration metric

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Sylvain Rabot 2020-12-18 18:44:03 +01:00 • committed by GitHub
parent 3140a4e0cd
commit a3327c4430
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15 changed files with 291 additions and 62 deletions
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24
pkg/metrics/prometheus.go
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@ -29,6 +29,10 @@ const (
configLastReloadSuccessName = metricConfigPrefix + "last_reload_success"
configLastReloadFailureName = metricConfigPrefix + "last_reload_failure"
// TLS.
metricsTLSPrefix = MetricNamePrefix + "tls_"
tlsCertsNotAfterTimestamp = metricsTLSPrefix + "certs_not_after"
// entry point.
metricEntryPointPrefix = MetricNamePrefix + "entrypoint_"
entryPointReqsTotalName = metricEntryPointPrefix + "requests_total"
@ -121,21 +125,27 @@ func initStandardRegistry(config *types.Prometheus) Registry {
Name: configLastReloadFailureName,
Help: "Last config reload failure",
}, []string{})
tlsCertsNotAfterTimesptamp := newGaugeFrom(promState.collectors, stdprometheus.GaugeOpts{
Name: tlsCertsNotAfterTimestamp,
Help: "Certificate expiration timestamp",
}, []string{"cn", "serial", "sans"})
promState.describers = []func(chan<- *stdprometheus.Desc){
configReloads.cv.Describe,
configReloadsFailures.cv.Describe,
lastConfigReloadSuccess.gv.Describe,
lastConfigReloadFailure.gv.Describe,
tlsCertsNotAfterTimesptamp.gv.Describe,
}
reg := &standardRegistry{
epEnabled: config.AddEntryPointsLabels,
svcEnabled: config.AddServicesLabels,
configReloadsCounter: configReloads,
configReloadsFailureCounter: configReloadsFailures,
lastConfigReloadSuccessGauge: lastConfigReloadSuccess,
lastConfigReloadFailureGauge: lastConfigReloadFailure,
epEnabled: config.AddEntryPointsLabels,
svcEnabled: config.AddServicesLabels,
configReloadsCounter: configReloads,
configReloadsFailureCounter: configReloadsFailures,
lastConfigReloadSuccessGauge: lastConfigReloadSuccess,
lastConfigReloadFailureGauge: lastConfigReloadFailure,
tlsCertsNotAfterTimestampGauge: tlsCertsNotAfterTimesptamp,
}
if config.AddEntryPointsLabels {
@ -163,11 +173,13 @@ func initStandardRegistry(config *types.Prometheus) Registry {
entryPointReqDurations.hv.Describe,
entryPointOpenConns.gv.Describe,
}...)
reg.entryPointReqsCounter = entryPointReqs
reg.entryPointReqsTLSCounter = entryPointReqsTLS
reg.entryPointReqDurationHistogram, _ = NewHistogramWithScale(entryPointReqDurations, time.Second)
reg.entryPointOpenConnsGauge = entryPointOpenConns
}
if config.AddServicesLabels {
serviceReqs := newCounterFrom(promState.collectors, stdprometheus.CounterOpts{
Name: serviceReqsTotalName,