// Copyright 2017 Kumina, https://kumina.nl/
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package main
import (
"flag"
"net/http"
"os"
"github.com/go-kit/log/level"
"github.com/prometheus/client_golang/prometheus"
"github.com/prometheus/client_golang/prometheus/promhttp"
"github.com/prometheus/common/promlog"
"github.com/letsencrypt/unbound_exporter/internal/exporter"
)
var (
log = promlog.New(&promlog.Config{})
)
func main() {
var (
listenAddress = flag.String("web.listen-address", ":9167", "Address to listen on for web interface and telemetry.")
metricsPath = flag.String("web.telemetry-path", "/metrics", "Path under which to expose metrics.")
unboundHost = flag.String("unbound.host", "tcp://localhost:8953", "Unix or TCP address of Unbound control socket.")
unboundCa = flag.String("unbound.ca", "/etc/unbound/unbound_server.pem", "Unbound server certificate.")
unboundCert = flag.String("unbound.cert", "/etc/unbound/unbound_control.pem", "Unbound client certificate.")
unboundKey = flag.String("unbound.key", "/etc/unbound/unbound_control.key", "Unbound client key.")
)
flag.Parse()
_ = level.Info(log).Log("Starting unbound_exporter")
exporter, err := exporter.NewUnboundExporter(log, *unboundHost, *unboundCa, *unboundCert, *unboundKey)
if err != nil {
panic(err)
}
prometheus.MustRegister(exporter)
http.Handle(*metricsPath, promhttp.Handler())
http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
_, _ = w.Write([]byte(`
Unbound Exporter
Unbound Exporter
Metrics
`))
})
_ = level.Info(log).Log("Listening on address:port => ", *listenAddress)
_ = level.Error(log).Log(http.ListenAndServe(*listenAddress, nil))
os.Exit(1)
}