adjust client-go User-Agent

main.go

@@ -116,6 +116,7 @@ func createKubeClient(apiserver string, kubeconfig string) (clientset.Interface,
 		return nil, err
 	}
 
+	config.UserAgent = version.GetVersion().String()
 	config.AcceptContentTypes = "application/vnd.kubernetes.protobuf,application/json"
 	config.ContentType = "application/vnd.kubernetes.protobuf"
 

pkg/version/version.go

@@ -15,6 +15,8 @@ package version
 
 import (
 	"fmt"
+	"os"
+	"path/filepath"
 	"runtime"
 )
 
@@ -36,6 +38,12 @@ type Version struct {
 	Platform  string
 }
 
+func (v Version) String() string {
+	return fmt.Sprintf("%s/%s (%s/%s) kube-state-metrics/%s",
+		filepath.Base(os.Args[0]), v.Release,
+		runtime.GOOS, runtime.GOARCH, v.GitCommit)
+}
+
 // GetVersion returns kube-state-metrics version
 func GetVersion() Version {
 	return Version{