freifunk/fastd-exporter
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Add splash page, make metrics path configuriable

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Also reformat using `go fmt` and document this in
the README.md

Normalized parameter names by looking at what node-
exporter offers.
This commit is contained in:
Martin Weinelt 2017-03-28 22:20:04 +02:00
parent 14593192c8
commit e52dbd900d
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GPG key ID: BD4AA0528F63F17E
2 changed files with 36 additions and 20 deletions
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6
README.md
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@ -2,6 +2,12 @@
We are building a prometheus exporter for the fastd vpn daemon. We don't have a working version yet, stay tuned
## Formatting
We are using `go fmt` for formatting the code.
## Getting Started
For now run
```

16
fastd-exporter.go
View file

@ -18,7 +18,8 @@ import (
)
var (
address = flag.String("listen-address", ":9099", "The address to listen on for HTTP requests.")
address = flag.String("web.listen-address", ":9099", "Address on which to expose metrics and web interface.")
metricsPath = flag.String("web.telemetry-path", "/metrics", "Path under which to expose metrics.")
instances = flag.String("instances", "", "The fastd instances to Update on, comma separated.")
)
@ -80,7 +81,6 @@ type PrometheusExporter struct {
txErrorBytes *prometheus.Desc
}
func c(parts ...string) string {
parts = append([]string{"fastd"}, parts...)
return strings.Join(parts, "_")
@ -192,6 +192,16 @@ func main() {
prometheus.MustRegister(exp)
// Expose the registered metrics via HTTP.
http.Handle("/metrics", promhttp.Handler())
http.Handle(*metricsPath, promhttp.Handler())
http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
w.Write([]byte(`<html>
<head><title>fastd exporter</title></head>
<body>
<h1>fastd exporter</h1>
<p><a href="` + *metricsPath + `">Metrics</a></p>
</body>
</html>`))
})
log.Fatal(http.ListenAndServe(*address, nil))
}