res, err := sa.Analyze(make(chan struct{}))
	if err != nil {
		return err
	}
	relevantMessages := diag.Messages{}
	for _, msg := range res.Messages.FilterOutLowerThan(diag.Error) {
		if msg.Resource.Metadata.FullName.Name == resource.LocalName(name) {
			relevantMessages = append(relevantMessages, msg)
		}
	}
	if len(relevantMessages) > 0 {
		o, err := formatting.Print(relevantMessages, formatting.LogFormat, false)

	typ, err := r.Types.FindMessageByURL(url)
	if err != nil {
		// Here we ignore the error since we want istioctl to ignore unknown types due to the Envoy version change
		msg := exprpb.Type{TypeKind: &exprpb.Type_Dyn{Dyn: &emptypb.Empty{}}}
		return msg.ProtoReflect().Type(), nil
	}
	return typ, nil
}

// Wrapper is a wrapper around the Envoy ConfigDump
// It has extra helper functions for handling any/struct/marshal protobuf pain

	if err != nil {
		panic(err)
	}

	// we should get 0 or 1 oob messages
	if len(msgs) != 0 {
		assert.Equal(t, len(msgs), 1)
	}

	var fdss []int
	for _, msg := range msgs {
		fds, err := unix.ParseUnixRights(&msg)
		if err != nil {
			panic(err)
		}
		fdss = append(fdss, fds...)
	}
	return m, fdss
}

func sendAck(c *net.UnixConn) {
	ack := &zdsapi.WorkloadResponse{

	select {
	case r := <-ret:
		return r.resp, r.err
	case <-ctx.Done():
		return nil, ctx.Err()
	}
}

func (z *ZtunnelConnection) sendMsgAndWaitForAck(msg *zdsapi.WorkloadRequest, fd *int) (*zdsapi.WorkloadResponse, error) {
	data, err := proto.Marshal(msg)
	if err != nil {
		return nil, err
	}
	return z.sendDataAndWaitForAck(data, fd)
}

	defer func() {
		if e := recover(); e != nil {
			msg := fmt.Sprintf("istio-cni panicked during cmdAdd: %v\n%v", e, string(debug.Stack()))
			if err != nil {
				// If we're recovering and there was also an error, then we need to
				// present both.
				msg = fmt.Sprintf("%s: %v", msg, err)
			}
			err = fmt.Errorf(msg)
		}
		if err != nil {
			log.Errorf("istio-cni cmdAdd error: %v", err)
		}

func kubeBuilderInstalled() bool {
	ev := os.Getenv("KUBEBUILDER")
	return ev == "true" || ev == "1"
}

// Confirm waits for a user to confirm with the supplied message.
func Confirm(msg string, writer io.Writer) bool {
	for {
		_, _ = fmt.Fprintf(writer, "%s ", msg)
		var response string
		_, err := fmt.Scanln(&response)
		if err != nil {
			return false
		}
		switch strings.ToUpper(response) {
		case "Y", "YES":
			return true

	"istio.io/istio/pkg/config/analysis"
	"istio.io/istio/pkg/config/analysis/analyzers"
	"istio.io/istio/pkg/config/analysis/diag"
	"istio.io/istio/pkg/config/analysis/local"
	"istio.io/istio/pkg/config/analysis/msg"
	"istio.io/istio/pkg/config/resource"
	"istio.io/istio/pkg/kube"
	"istio.io/istio/pkg/kube/multicluster"
	"istio.io/istio/pkg/log"
	"istio.io/istio/pkg/url"
)

			}
		}
		if verificationImpacted {
			res := ObjectToInstance(dr)
			messages.Add(msg.NewUpdateIncompatibility(res,
				"VERIFY_CERTIFICATE_AT_CLIENT", "1.20",
				"previously, TLS verification was skipped. Set `insecureSkipVerify` if this behavior is desired", "1.20"))
		}
		if sniImpacted {
			res := ObjectToInstance(dr)
			messages.Add(msg.NewUpdateIncompatibility(res,
				"ENABLE_AUTO_SNI", "1.20",

func seeExperimentalCmd(name string) *cobra.Command {
	msg := fmt.Sprintf("(%s is experimental. Use `istioctl experimental %s`)", name, name)
	return &cobra.Command{
		Use:   name,
		Short: msg,
		RunE: func(_ *cobra.Command, _ []string) error {
			return errors.New(msg)
		},
	}