// ClientOptions returns consistent grpc dial options with custom dial options
func ClientOptions(options *istiokeepalive.Options, tlsOpts *TLSOptions) ([]grpc.DialOption, error) {
	if options == nil {
		options = istiokeepalive.DefaultOption()
	}
	keepaliveOption := grpc.WithKeepaliveParams(keepalive.ClientParameters{
		Time:    options.Time,
		Timeout: options.Timeout,
	})

func (f *HTTPFetcher) Fetch(ctx context.Context, url string, allowInsecure bool) ([]byte, error) {
	c := f.client
	if allowInsecure {
		c = f.insecureClient
	}
	attempts := 0
	o := backoff.DefaultOption()
	o.InitialInterval = f.initialBackoff
	b := backoff.NewExponentialBackOff(o)
	var lastError error
	for attempts < f.requestMaxRetry {
		attempts++

func (p *PilotArgs) applyDefaults() {
	p.Namespace = PodNamespace
	p.CniNamespace = PodNamespace
	p.PodName = PodName
	p.Revision = Revision
	p.JwtRule = JwtRule
	p.KeepaliveOptions = keepalive.DefaultOption()
	p.RegistryOptions.DistributionTrackingEnabled = features.EnableDistributionTracking
	p.RegistryOptions.DistributionCacheRetention = features.DistributionHistoryRetention