+
+ h := hmac.New(sha256.New, []byte(disp.cluster.SystemRootToken))
+ fmt.Fprint(h, container.UUID)
+ authsecret := fmt.Sprintf("%x", h.Sum(nil))
+
+ crScript := strings.NewReader(execScript(crArgs, map[string]string{"GatewayAuthSecret": authsecret}))