polynom.me/cert-status-exporter
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feat: Track the last time we updated the metrics

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This commit is contained in:
PapaTutuWawa 2024-01-07 16:42:38 +01:00
parent d4f74661d5
commit 4ceb2023db
1 changed files with 11 additions and 3 deletions
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14
main.go
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@ -88,8 +88,9 @@ func (c *CertificateMetrics) checkTls() {
} }
} }
func updateMetrics(metrics *[]CertificateMetrics) { func updateMetrics(metrics *[]CertificateMetrics, lastUpdated prometheus.Gauge) {
log.Debugf("Updating metrics for %d domains...", len(*metrics)) log.Debugf("Updating metrics for %d domains...", len(*metrics))
lastUpdated.SetToCurrentTime()
for _, metric := range *metrics { for _, metric := range *metrics {
metric.checkTls() metric.checkTls()
} }
@ -108,6 +109,13 @@ func run(ctx *cli.Context) error {
// Setup metrics // Setup metrics
registry := prometheus.NewRegistry() registry := prometheus.NewRegistry()
lastUpdatedMetric := prometheus.NewGauge(
prometheus.GaugeOpts{
Name: "certs_status_last_updated",
},
)
registry.MustRegister(lastUpdatedMetric)
metrics := make([]CertificateMetrics, 0) metrics := make([]CertificateMetrics, 0)
for _, d := range domains { for _, d := range domains {
log.Debugf("Parsing '%s'...", d) log.Debugf("Parsing '%s'...", d)
@ -155,7 +163,7 @@ func run(ctx *cli.Context) error {
gocron.DurationJob(24*time.Hour), gocron.DurationJob(24*time.Hour),
gocron.NewTask( gocron.NewTask(
func() { func() {
updateMetrics(&metrics) updateMetrics(&metrics, lastUpdatedMetric)
}, },
), ),
) )
@ -166,7 +174,7 @@ func run(ctx *cli.Context) error {
// Perform an initial run to populate the metrics // Perform an initial run to populate the metrics
log.Info("Performing initial requests...") log.Info("Performing initial requests...")
updateMetrics(&metrics) updateMetrics(&metrics, lastUpdatedMetric)
log.Debug("Done") log.Debug("Done")
http.Handle( http.Handle(