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Set version via -ldflags #50

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Set version via -ldflags #50

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7 changes: 4 additions & 3 deletions main.go
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Original file line number Diff line number Diff line change
Expand Up @@ -19,7 +19,8 @@ import (
"gopkg.in/alecthomas/kingpin.v2"
)

const version string = "0.4.7"
// Version is updated at compile-time via -ldflags.
var version string = "development"

var (
showVersion = kingpin.Flag("version", "Print version information").Default().Bool()
Expand Down Expand Up @@ -189,7 +190,7 @@ func refreshDNS(targets []*target, monitor *mon.Monitor) {
func startServer(monitor *mon.Monitor) {
log.Infof("Starting ping exporter (Version: %s)", version)
http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
fmt.Fprintf(w, indexHTML, *metricsPath)
fmt.Fprintf(w, indexHTML, version, *metricsPath)
})

reg := prometheus.NewRegistry()
Expand Down Expand Up @@ -273,7 +274,7 @@ const indexHTML = `<!doctype html>
<html>
<head>
<meta charset="UTF-8">
<title>ping Exporter (Version ` + version + `)</title>
<title>ping Exporter (Version %s)</title>
</head>
<body>
<h1>ping Exporter</h1>
Expand Down