add useragent (#182)

cmd/root.go

@@ -26,6 +26,10 @@ import (
 	"golang.org/x/oauth2"
 )
 
+const (
+	userAgent = "vultr-cli/" + version
+)
+
 var cfgFile string
 var client *govultr.Client
 
@@ -111,7 +115,7 @@ func initConfig() {
 	client = govultr.NewClient(oauth2.NewClient(context.Background(), ts))
 
 	client.SetRateLimit(1 * time.Second)
-
+	client.SetUserAgent(userAgent)
 }
 
 func getPaging(cmd *cobra.Command) *govultr.ListOptions {

cmd/version.go

@@ -20,16 +20,20 @@ import (
 	"github.com/spf13/cobra"
 )
 
+const (
+	version = "v2.8.0"
+)
+
 // versionCmd represents the version command
 var versionCmd = &cobra.Command{
 	Use:   "version",
 	Short: "Display current version of Vultr-cli",
 	Long:  ``,
 	Run: func(cmd *cobra.Command, args []string) {
-		fmt.Println(version())
+		fmt.Println(getVersion())
 	},
 }
 
-func version() string {
-	return "Vultr-cli v2.8.0"
+func getVersion() string {
+	return fmt.Sprintf("Vultr-cli %s", version)
 }