Log version at startup

1 files changed, 6 insertions, 0 deletions

diff --git a/node_exporter.go b/node_exporter.go
index b0dcbc3..19ac81f 100644
--- a/node_exporter.go
+++ b/node_exporter.go
@@ -22,6 +22,9 @@ import (
 const subsystem = "exporter"
 
 var (
+        // set at build time
+        Version = "0.0.0.dev"
+
         configFile        = flag.String("config.file", "", "Path to config file.")
         memProfile        = flag.String("debug.memprofile-file", "", "Write memory profile to this file upon receipt of SIGUSR1.")
         listenAddress     = flag.String("web.listen-address", ":9100", "Address on which to expose metrics and web interface.")
@@ -137,6 +140,7 @@ func loadCollectors(file string) (map[string]collector.Collector, error) {
 
 func main() {
         flag.Parse()
+
         if *printCollectors {
                 fmt.Printf("Available collectors:\n")
                 for n, _ := range collector.Factories {
@@ -182,6 +186,8 @@ func main() {
                         </body>
                         </html>`))
         })
+
+        glog.Infof("Starting node_exporter v%s at %s", Version, *listenAddress)
         err = http.ListenAndServe(*listenAddress, nil)
         if err != nil {
                 glog.Fatal(err)