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warp10_sensision_exporter.go
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warp10_sensision_exporter.go
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/**
* Copyright 2020 Centreon Team
*
* 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 (
"net/http"
"os"
"github.com/go-kit/kit/log/level"
"github.com/prometheus/client_golang/prometheus"
"github.com/prometheus/client_golang/prometheus/promhttp"
"github.com/prometheus/common/promlog"
"github.com/prometheus/common/promlog/flag"
"github.com/prometheus/common/version"
"gopkg.in/alecthomas/kingpin.v2"
"github.com/centreon/warp10-sensision-exporter/collector"
)
func main() {
var (
listenAddress = kingpin.Flag("web.listen-address", "Address to listen on for web interface and telemetry.").Default(":9718").String()
metricsPath = kingpin.Flag("web.telemetry-path", "Path under which to expose metrics.").Default("/metrics").String()
sensisionURL = kingpin.Flag("warp10.url", "The URL for the Sensision endpoint for Warp10").Default("http://localhost:8082/metrics").String()
)
promlogConfig := &promlog.Config{}
flag.AddFlags(kingpin.CommandLine, promlogConfig)
kingpin.HelpFlag.Short('h')
kingpin.Parse()
logger := promlog.New(promlogConfig)
level.Info(logger).Log("msg", "Starting warp10_sensision_exporter", "version", version.Info())
level.Info(logger).Log("msg", "Build context", "context", version.BuildContext())
exporter, err := collector.NewSensisionExporter(*sensisionURL, logger)
if err != nil {
level.Error(logger).Log("msg", "Error create exporter", "error", err.Error())
os.Exit(1)
}
prometheus.MustRegister(exporter)
level.Info(logger).Log("msg", "Listening on address", "address", *listenAddress)
http.Handle(*metricsPath, promhttp.Handler())
http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
w.Write([]byte(`<html>
<head><title>Warp10Sensision Exporter</title></head>
<body>
<h1>Warp10Sensision Exporter</h1>
<p><a href='` + *metricsPath + `'>Metrics</a></p>
</body>
</html>`))
})
if err := http.ListenAndServe(*listenAddress, nil); err != nil {
level.Error(logger).Log("msg", "Error starting HTTP server", "err", err)
os.Exit(1)
}
}