diff --git a/dnsmasq.go b/dnsmasq.go
index 73d53e8..2f74278 100644
--- a/dnsmasq.go
+++ b/dnsmasq.go
@@ -19,7 +19,6 @@ import (
"bufio"
"flag"
"fmt"
- "log"
"net/http"
"os"
"strconv"
@@ -29,6 +28,7 @@ import (
"github.com/miekg/dns"
"github.com/prometheus/client_golang/prometheus"
"github.com/prometheus/client_golang/prometheus/promhttp"
+ "github.com/prometheus/common/log"
)
var (
@@ -43,6 +43,9 @@ var (
dnsmasqAddr = flag.String("dnsmasq",
"localhost:53",
"dnsmasq host:port address")
+ metricsPath = flag.String("metrics_path",
+ "/metrics",
+ "path under which metrics are served")
)
var (
@@ -160,6 +163,7 @@ func (s *server) metrics(w http.ResponseWriter, r *http.Request) {
eg.Go(func() error {
f, err := os.Open(s.leasesPath)
if err != nil {
+ log.Warnln("could not open leases file:", err)
return err
}
defer f.Close()
@@ -193,6 +197,16 @@ func main() {
dnsmasqAddr: *dnsmasqAddr,
leasesPath: *leasesPath,
}
- http.HandleFunc("/metrics", s.metrics)
+ http.HandleFunc(*metricsPath, s.metrics)
+ http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
+ w.Write([]byte(`
+ Dnsmasq Exporter
+
+ Dnsmasq Exporter
+ Metrics
+ `))
+ })
+ log.Infoln("Listening on", *listen)
+ log.Infoln("Serving metrics under", *metricsPath)
log.Fatal(http.ListenAndServe(*listen, nil))
}