From 3c9a0052f2d8dd2af99f7515521e3a7d39c6f743 Mon Sep 17 00:00:00 2001
From: Hector <dev@hsmith.org>
Date: Fri, 24 Sep 2021 15:53:10 +0100
Subject: [PATCH] feat: render basic html page at root url
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.
---
src/exporter.go | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/src/exporter.go b/src/exporter.go
index 6cc8793..59874e6 100644
--- a/src/exporter.go
+++ b/src/exporter.go
@@ -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)