name    string
		in      proto.Message
		valid   bool
		warning bool
	}{
		{
			name:  "valid",
			in:    &networking.WorkloadGroup{Template: &networking.WorkloadEntry{}},
			valid: true,
		},
		{
			name: "invalid",
			in: &networking.WorkloadGroup{Template: &networking.WorkloadEntry{}, Metadata: &networking.WorkloadGroup_ObjectMeta{Labels: map[string]string{
				".": "~",
			}}},

labels: app: istio-pilot chart: istio heritage: Tiller release: istio name: workloadgroups.networking.istio.io spec: group: networking.istio.io names: categories: - istio-io - networking-istio-io kind: WorkloadGroup listKind: WorkloadGroupList plural: workloadgroups shortNames: - wg singular: workloadgroup scope: Namespaced versions: - additionalPrinterCol: - description: 'CreationTimestamp is a timestamp representing the server time when this object was created. It is not guaranteed to be set in happens-before...

// ValidateWorkloadGroup validates a workload group.
var ValidateWorkloadGroup = RegisterValidateFunc("ValidateWorkloadGroup",
	func(cfg config.Config) (warnings Warning, errs error) {
		wg, ok := cfg.Spec.(*networking.WorkloadGroup)
		if !ok {
			return nil, fmt.Errorf("cannot cast to workload entry")
		}

		if wg.Template == nil {
			return nil, fmt.Errorf("template is required")
		}