}
	return "", fmt.Errorf("can not find ROOTCA from secret")
}

func (c *ConfigWriter) getIstioVersionInfo(bootstrapDump *adminv3.BootstrapConfigDump) (version, sha string) {
	const (
		istioVersionKey  = "ISTIO_VERSION"
		istioProxyShaKey = "ISTIO_PROXY_SHA"
	)

	md := bootstrapDump.GetBootstrap().GetNode().GetMetadata().GetFields()

	if versionPB, ok := md[istioVersionKey]; ok {
		version = versionPB.GetStringValue()

          "id": "waypoint~192.168.252.229~httpbin-istio-waypoint-58f646c5ff-dbfkz.default~default.svc.cluster.local",
          "metadata": {
            "ISTIO_PROXY_SHA": "ee85c5f28702f00621aed895915fca565796b9e4",
            "ISTIO_VERSION": "1.21.0-1226",
            "metadata": {
              "build.type": "RELEASE",
              "build.label": "dev",
              "revision.sha": "ee85c5f28702f00621aed895915fca565796b9e4",