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.