volker.raschek/prometheus-fail2ban-exporter
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feat: render basic html page at root url

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Add a new request handler for the root URL (`/`) to render a simple HTML
page with a link to the metrics page. This follows the convention of other
metric exporters.
This commit is contained in:
Hector 2021-09-24 15:53:10 +01:00
parent a1a0aa03a4
commit 3c9a0052f2
1 changed files with 9 additions and 0 deletions
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9
src/exporter.go
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@ -40,6 +40,15 @@ func main() {
exporter := export.NewExporter(appSettings, version)
prometheus.MustRegister(exporter)
http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
w.Write([]byte(`<html>
<head><title>Fail2Ban Exporter</title></head>
<body>
<h1>Node Exporter</h1>
<p><a href="` + metricsPath + `">Metrics</a></p>
</body>
</html>`))
})
http.Handle(metricsPath, promhttp.Handler())
log.Printf("metrics available at '%s'", metricsPath)