60 lines
1.6 KiB
Go
60 lines
1.6 KiB
Go
package main
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import (
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"flag"
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"github.com/go-logr/logr"
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"github.com/go-logr/zapr"
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"github.com/phin1x/cups-exporter/internal"
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"github.com/prometheus/client_golang/prometheus"
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"github.com/prometheus/client_golang/prometheus/promhttp"
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"go.uber.org/zap"
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"net/http"
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"os"
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)
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type options struct {
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Address string
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MetricsPath string
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CupsUri string
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}
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func main() {
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log := getLogger()
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opts := options{}
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flag.StringVar(&opts.Address, "web.listen-address", ":9628", "address on which to expose metrics and web interface")
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flag.StringVar(&opts.MetricsPath, "web.telemetry-path", "/metrics", "path under which to expose metrics")
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flag.StringVar(&opts.CupsUri, "cups.uri", "https://localhost:631", "uri under with the cups server is available, including username and password it required")
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flag.Parse()
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log.Info("starting cups exporter")
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exporter, err := internal.NewExporter(opts.CupsUri, log)
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if err != nil {
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log.Error(err, "failed to create the exporter")
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os.Exit(1)
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}
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prometheus.MustRegister(exporter)
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http.Handle(opts.MetricsPath, promhttp.Handler())
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http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
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w.Write([]byte(`<html>
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<head><title>Cups Exporter</title></head>
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<body>
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<h1>Cups Exporter</h1>
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<p><a href="` + opts.MetricsPath + `">Metrics</a></p>
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</body>
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</html>`))
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})
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log.Info("listening on " + opts.Address)
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log.Error(http.ListenAndServe(opts.Address, nil), "failed to start the http server")
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}
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func getLogger() logr.Logger {
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zapLog, err := zap.NewDevelopment()
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if err != nil {
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panic(err)
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}
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return zapr.NewLogger(zapLog)
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}
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