pi = append(pi, istioVersion.ProxyInfo{
					ID:           node.Id,
					IstioVersion: getIstioVersionFromXdsMetadata(node.Metadata),
				})
			default:
				return nil, fmt.Errorf("unexpected resource type %q", resource.TypeUrl)
			}
		}
		return &pi, nil
	}
}

func getIstioVersionFromXdsMetadata(metadata *structpb.Struct) string {
	meta, err := model.ParseMetadata(metadata)
	if err != nil {