m.qosContainersInfo = QOSContainersInfo{
		Guaranteed: rootContainer,
		Burstable:  qosClasses[v1.PodQOSBurstable],
		BestEffort: qosClasses[v1.PodQOSBestEffort],
	}
	m.getNodeAllocatable = getNodeAllocatable
	m.activePods = activePods

	// update qos cgroup tiers on startup and in periodic intervals
	// to ensure desired state is in sync with actual state.
	go wait.Until(func() {

func (kvh *kubeletVolumeHost) GetHostIP() (net.IP, error) {
	hostIPs, err := kvh.kubelet.GetHostIPs()
	if err != nil {
		return nil, err
	}
	return hostIPs[0], err
}

func (kvh *kubeletVolumeHost) GetNodeAllocatable() (v1.ResourceList, error) {
	node, err := kvh.kubelet.getNodeAnyWay()
	if err != nil {
		return nil, fmt.Errorf("error retrieving node: %v", err)
	}
	return node.Status.Allocatable, nil
}

			} else {
				fileProjection.Data = []byte(values)
			}
		} else if fileInfo.ResourceFieldRef != nil {
			containerName := fileInfo.ResourceFieldRef.ContainerName
			nodeAllocatable, err := host.GetNodeAllocatable()
			if err != nil {
				errlist = append(errlist, err)
			} else if values, err := resource.ExtractResourceValueByContainerNameAndNodeAllocatable(fileInfo.ResourceFieldRef, pod, containerName, nodeAllocatable); err != nil {

}

func (expc *expandController) GetHostIP() (net.IP, error) {
	return nil, fmt.Errorf("GetHostIP not supported by expand controller's VolumeHost implementation")
}

func (expc *expandController) GetNodeAllocatable() (v1.ResourceList, error) {
	return v1.ResourceList{}, nil
}

func (expc *expandController) GetSecretFunc() func(namespace, name string) (*v1.Secret, error) {
	return func(_, _ string) (*v1.Secret, error) {

					float64(memoryRequest)+
						(float64(memoryLimit)-float64(memoryRequest))*float64(m.memoryThrottlingFactor))/float64(defaultPageSize)) * defaultPageSize
			} else {
				allocatable := m.getNodeAllocatable()
				allocatableMemory, ok := allocatable[v1.ResourceMemory]
				if ok && allocatableMemory.Value() > 0 {
					memoryHigh = int64(math.Floor(
						float64(memoryRequest)+

}

// Returns host IP or nil in the case of error.
func (f *fakeVolumeHost) GetHostIP() (net.IP, error) {
	return nil, fmt.Errorf("GetHostIP() not implemented")
}

func (f *fakeVolumeHost) GetNodeAllocatable() (v1.ResourceList, error) {
	return v1.ResourceList{}, nil
}

func (f *fakeVolumeHost) GetSecretFunc() func(namespace, name string) (*v1.Secret, error) {
	return func(namespace, name string) (*v1.Secret, error) {

	if spec.Volume.EmptyDir != nil { // Support a non-specified source as EmptyDir.
		medium = spec.Volume.EmptyDir.Medium
		if medium == v1.StorageMediumMemory {
			nodeAllocatable, err := plugin.host.GetNodeAllocatable()
			if err != nil {
				return nil, err
			}
			sizeLimit = calculateEmptyDirMemorySize(nodeAllocatable.Memory(), spec, pod)
		}
	}
	return &emptyDir{
		pod:             pod,

func (adc *attachDetachController) GetHostIP() (net.IP, error) {
	return nil, fmt.Errorf("GetHostIP() not supported by Attach/Detach controller's VolumeHost implementation")
}

func (adc *attachDetachController) GetNodeAllocatable() (v1.ResourceList, error) {
	return v1.ResourceList{}, nil
}

func (adc *attachDetachController) GetAttachedVolumesFromNodeStatus() (map[v1.UniqueVolumeName]string, error) {

	// Returns the hostname of the host kubelet is running on
	GetHostName() string

	// Returns host IP or nil in the case of error.
	GetHostIP() (net.IP, error)

	// Returns node allocatable.
	GetNodeAllocatable() (v1.ResourceList, error)

	// Returns a function that returns a secret.
	GetSecretFunc() func(namespace, name string) (*v1.Secret, error)

	// Returns a function that returns a configmap.