}

func getNamespace(kubeClient kube.CLIClient, ns string) (*corev1.Namespace, error) {
	nsObj, err := kubeClient.Kube().CoreV1().Namespaces().Get(context.Background(), ns, metav1.GetOptions{})
	if errors.IsNotFound(err) {
		return nil, fmt.Errorf("namespace: %s not found", ns)
	} else if err != nil {
		return nil, fmt.Errorf("failed to get namespace %s: %v", ns, err)
	}
	return nsObj, nil

	}

	// try fetching the namespace-defined waypoint
	namespace := ptr.OrEmpty[*v1.Namespace](krt.FetchOne[*v1.Namespace](ctx, Namespaces, krt.FilterKey(o.Namespace)))
	// this probably should never be nil. How would o exist in a namespace we know nothing about? maybe edge case of starting the controller or ns delete?
	if namespace != nil {
		// toss isNone, we don't need to know /why/ we got nil

	// Only the first per-cluster entry for a given config should have a non-nil ref.
	refs []*echo.Instance
	// namespaces caches namespaces by their prefix; used for converting Static namespace from configs into actual
	// namespaces
	namespaces map[string]namespace.Instance
	// the set of injection templates for each cluster
	templates map[string]sets.String

      namespaces:
        from: Same
  - name: {{.Service}}-svc
    hostname: {{.Service}}.{{.Namespace}}.svc
    port: {{.Port}}
    protocol: HTTP
    allowedRoutes:
      namespaces:
        from: Same
  - name: {{.Service}}-namespace
    hostname: {{.Service}}.{{.Namespace}}
    port: {{.Port}}
    protocol: HTTP
    allowedRoutes:
      namespaces:
        from: Same

	lock sync.Mutex
}

// UserNamespace holds the configuration for the user namespace.
type userNamespace struct {
	// UIDs mappings for the user namespace.
	UIDMappings []idMapping `json:"uidMappings"`
	// GIDs mappings for the user namespace.
	GIDMappings []idMapping `json:"gidMappings"`
}

// Pod user namespace mapping
type idMapping struct {
	// Required.
	HostId uint32 `json:"hostId"`
	// Required.

	dc.clients[gvr.ServiceAccount] = NewUntypedWrapper(dc.serviceAccounts)

	dc.namespaces = kclient.NewFiltered[*corev1.Namespace](client, filter)
	dc.namespaces.AddEventHandler(controllers.ObjectHandler(func(o controllers.Object) {
		// TODO: make this more intelligent, checking if something we care about has changed
		// requeue this namespace
		for _, gw := range dc.gateways.List(o.GetName(), klabels.Everything()) {

		},
		analyzer: &injection.ImageAnalyzer{},
		expected: []message{
			{msg.PodsIstioProxyImageMismatchInNamespace, "Namespace enabled-namespace"},
			{msg.PodsIstioProxyImageMismatchInNamespace, "Namespace enabled-namespace-native"},
			{msg.PodsIstioProxyImageMismatchInNamespace, "Namespace revision-namespace"},
		},
	},
	{
		name:       "portNameNotFollowConvention",
		inputFiles: []string{"testdata/service-no-port-name.yaml"},

// RoleBinding references a role, but does not contain it.  It can reference a Role in the same namespace or a ClusterRole in the global namespace.
// It adds who information via Subjects and namespace information by which namespace it exists in.  RoleBindings in a given
// namespace only have effect in that namespace.
type RoleBinding struct {
	metav1.TypeMeta `json:",inline"`
	// Standard object's metadata.
	// +optional

	CLONE_NEWCGROUP      = 0x02000000 // New cgroup namespace
	CLONE_NEWUTS         = 0x04000000 // New utsname namespace
	CLONE_NEWIPC         = 0x08000000 // New ipc namespace
	CLONE_NEWUSER        = 0x10000000 // New user namespace
	CLONE_NEWPID         = 0x20000000 // New pid namespace
	CLONE_NEWNET         = 0x40000000 // New network namespace
	CLONE_IO             = 0x80000000 // Clone io context

	if sc == nil {
		return true
	}

	// This kind of config will trigger a change if made in the root namespace or the same namespace
	if clusterScopedKnownConfigTypes.Contains(config.Kind) {
		return config.Namespace == rootNs || config.Namespace == sc.Namespace
	}

	// This kind of config is unknown to sidecarScope.
	if _, f := sidecarScopedKnownConfigTypes[config.Kind]; !f {
		return true
	}