CSIAttachLimitPrefix = "attachable-volumes-csi-"

	// ResourceNameLengthLimit stores maximum allowed Length for a ResourceName
	ResourceNameLengthLimit = 63
)

// GetCSIAttachLimitKey returns limit key used for CSI volumes
func GetCSIAttachLimitKey(driverName string) string {
	csiPrefixLength := len(CSIAttachLimitPrefix)
	totalkeyLength := csiPrefixLength + len(driverName)
	if totalkeyLength >= ResourceNameLengthLimit {

	// When driverName is less than 39 characters
	csiLimitKey := GetCSIAttachLimitKey("com.amazon.ebs")
	if csiLimitKey != "attachable-volumes-csi-com.amazon.ebs" {
		t.Errorf("Expected com.amazon.ebs got %s", csiLimitKey)
	}

	// When driver is longer than 39 chars
	longDriverName := "com.amazon.kubernetes.eks.ec2.ebs/csi-driver"
	csiLimitKeyLonger := GetCSIAttachLimitKey(longDriverName)

		for i := range csiNode.Spec.Drivers {
			d := csiNode.Spec.Drivers[i]
			if d.Allocatable != nil && d.Allocatable.Count != nil {
				// TODO: drop GetCSIAttachLimitKey once we don't get values from Node object (v1.18)
				k := v1.ResourceName(volumeutil.GetCSIAttachLimitKey(d.Name))
				nodeVolumeLimits[k] = int64(*d.Allocatable.Count)
			}
		}
	}
	return nodeVolumeLimits

						v1.ResourceCPU: *resource.NewScaledQuantity(4, -3),
						v1.ResourceName(util.GetCSIAttachLimitKey("com.example.csi/driver1")): *resource.NewQuantity(10, resource.DecimalSI),
					},
					Allocatable: v1.ResourceList{
						v1.ResourceCPU: *resource.NewScaledQuantity(4, -3),
						v1.ResourceName(util.GetCSIAttachLimitKey("com.example.csi/driver1")): *resource.NewQuantity(10, resource.DecimalSI),
					},
				},
			},

	return err // do not wrap error

}

func removeMaxAttachLimit(driverName string) nodeUpdateFunc {
	return func(node *v1.Node) (*v1.Node, bool, error) {
		limitKey := v1.ResourceName(util.GetCSIAttachLimitKey(driverName))

		capacityExists := false
		if node.Status.Capacity != nil {
			_, capacityExists = node.Status.Capacity[limitKey]
		}

		allocatableExists := false

		return v1.ResourceName(volumeutil.AzureVolumeLimitKey)
	case cinderVolumeFilterType:
		return v1.ResourceName(volumeutil.CinderVolumeLimitKey)
	default:
		return v1.ResourceName(volumeutil.GetCSIAttachLimitKey(filterType))
	}
}

func TestCSILimits(t *testing.T) {
	runningPod := st.MakePod().PVC("csi-ebs.csi.aws.com-3").Obj()
	pendingVolumePod := st.MakePod().PVC("csi-4").Obj()