"testdata/destinationrule-mutual-destination.yaml",
		},
		analyzer: &destinationrule.CaCertificateAnalyzer{},
		expected: []message{
			{msg.NoServerCertificateVerificationDestinationLevel, "DestinationRule db-mtls"},
		},
	},
	{
		name: "destinationrule with no cacert, simple at portlevel",
		inputFiles: []string{
			"testdata/destinationrule-simple-port.yaml",
		},
		analyzer: &destinationrule.CaCertificateAnalyzer{},

	cfg := proxy.SidecarScope.DestinationRule(model.TrafficDirectionInbound, proxy, instance.Service.Hostname).GetRule()
	if cfg != nil {
		destinationRule := CastDestinationRule(cfg)
		opts.isDrWithSelector = destinationRule.GetWorkloadSelector() != nil
		if destinationRule.TrafficPolicy != nil {
			opts.policy, _ = util.GetPortLevelTrafficPolicy(destinationRule.TrafficPolicy, instance.Port.ServicePort)

					},
				},
				{
					Meta: config.Meta{
						GroupVersionKind: gvk.DestinationRule,
						Name:             "mtls-on",
						Namespace:        "ns",
					},
					Spec: &networking.DestinationRule{
						Host: "example.ns.svc.cluster.local",
						TrafficPolicy: &networking.TrafficPolicy{

	}
}

// DestinationRule returns a destinationrule for a svc.
func (sc *SidecarScope) DestinationRule(direction TrafficDirection, proxy *Proxy, svc host.Name) *ConsolidatedDestRule {
	destinationRules := sc.destinationRules[svc]
	var catchAllDr *ConsolidatedDestRule
	for _, destRule := range destinationRules {
		destinationRule := destRule.rule.Spec.(*networking.DestinationRule)

		services = append(services, proxy.SidecarScope.ServicesForHostname(host.Name(dr.Host))...)
	} else {
		dr := cfg.Spec.(*networking.DestinationRule)
		// Destinationrule was updated. Find matching services from updated destinationrule.
		services = append(services, proxy.SidecarScope.ServicesForHostname(host.Name(dr.Host))...)

    code: IST0128
    level: Warning
    description: "No caCertificates are set in DestinationRule, this results in no verification of presented server certificate."
    template: "DestinationRule %s in namespace %s has TLS mode set to %s but no caCertificates are set to validate server identity for host: %s"
    args:
      - name: destinationrule
        type: string
      - name: namespace
        type: string
      - name: mode

	// Description: No caCertificates are set in DestinationRule, this results in no verification of presented server certificate.
	NoServerCertificateVerificationDestinationLevel = diag.NewMessageType(diag.Warning, "IST0128", "DestinationRule %s in namespace %s has TLS mode set to %s but no caCertificates are set to validate server identity for host: %s")

		want *core.Metadata
	}{
		{
			"destination-rule",
			config.Meta{
				Name:             "svcA",
				Namespace:        "default",
				Domain:           "svc.cluster.local",
				GroupVersionKind: gvk.DestinationRule,
			},
			&core.Metadata{
				FilterMetadata: map[string]*structpb.Struct{
					IstioMetadataKey: {
						Fields: map[string]*structpb.Value{
							"config": {
								Kind: &structpb.Value_StringValue{

	EnableEnhancedResourceScoping = env.Register("ENABLE_ENHANCED_RESOURCE_SCOPING", true,
		"If enabled, meshConfig.discoverySelectors will limit the CustomResource configurations(like Gateway,VirtualService,DestinationRule,Ingress, etc)"+
			"that can be processed by pilot. This will also restrict the root-ca certificate distribution.").Get()

	EnableLeaderElection = env.Register("ENABLE_LEADER_ELECTION", true,

			"we also match the ExternalName. In general, this mirrors Kubernetes behavior more closely. However, it means that policies (routes and DestinationRule) "+
			"cannot be applied to the ExternalName service. "+
			"If disabled, ExternalName behaves in fairly unexpected manner. Port matters, while it does not in Kubernetes. If it is a TCP port, "+