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Merge pull request #98753 from Jiawei0227/length

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Relax csiNodeIDMaxLength to longer limit
This commit is contained in:
Kubernetes Prow Robot
2021-03-09 09:19:00 -08:00
committed by GitHub
parent 97e2c84057 1e16615fb0
commit dc74b9d0c7
4 changed files with 83 additions and 23 deletions
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42
pkg/apis/storage/validation/validation.go
View File

@@ -44,9 +44,15 @@ const (
maxAttachedVolumeMetadataSize = 256 * (1 << 10) // 256 kB
maxVolumeErrorMessageSize = 1024
csiNodeIDMaxLength = 128
csiNodeIDMaxLength = 128
csiNodeIDLongerMaxLength = 192
)
// CSINodeValidationOptions contains the validation options for validating CSINode
type CSINodeValidationOptions struct {
AllowLongNodeID bool
}
// ValidateStorageClass validates a StorageClass.
func ValidateStorageClass(storageClass *storage.StorageClass) field.ErrorList {
allErrs := apivalidation.ValidateObjectMeta(&storageClass.ObjectMeta, false, apivalidation.ValidateClassName, field.NewPath("metadata"))
@@ -291,15 +297,15 @@ func validateAllowedTopologies(topologies []api.TopologySelectorTerm, fldPath *f
}
// ValidateCSINode validates a CSINode.
func ValidateCSINode(csiNode *storage.CSINode) field.ErrorList {
func ValidateCSINode(csiNode *storage.CSINode, validationOpts CSINodeValidationOptions) field.ErrorList {
allErrs := apivalidation.ValidateObjectMeta(&csiNode.ObjectMeta, false, apivalidation.ValidateNodeName, field.NewPath("metadata"))
allErrs = append(allErrs, validateCSINodeSpec(&csiNode.Spec, field.NewPath("spec"))...)
allErrs = append(allErrs, validateCSINodeSpec(&csiNode.Spec, field.NewPath("spec"), validationOpts)...)
return allErrs
}
// ValidateCSINodeUpdate validates a CSINode.
func ValidateCSINodeUpdate(new, old *storage.CSINode) field.ErrorList {
allErrs := ValidateCSINode(new)
func ValidateCSINodeUpdate(new, old *storage.CSINode, validationOpts CSINodeValidationOptions) field.ErrorList {
allErrs := ValidateCSINode(new, validationOpts)
// Validate modifying fields inside an existing CSINodeDriver entry is not allowed
for _, oldDriver := range old.Spec.Drivers {
@@ -317,38 +323,47 @@ func ValidateCSINodeUpdate(new, old *storage.CSINode) field.ErrorList {
// ValidateCSINodeSpec tests that the specified CSINodeSpec has valid data.
func validateCSINodeSpec(
spec *storage.CSINodeSpec, fldPath *field.Path) field.ErrorList {
spec *storage.CSINodeSpec, fldPath *field.Path, validationOpts CSINodeValidationOptions) field.ErrorList {
allErrs := field.ErrorList{}
allErrs = append(allErrs, validateCSINodeDrivers(spec.Drivers, fldPath.Child("drivers"))...)
allErrs = append(allErrs, validateCSINodeDrivers(spec.Drivers, fldPath.Child("drivers"), validationOpts)...)
return allErrs
}
// ValidateCSINodeDrivers tests that the specified CSINodeDrivers have valid data.
func validateCSINodeDrivers(drivers []storage.CSINodeDriver, fldPath *field.Path) field.ErrorList {
func validateCSINodeDrivers(drivers []storage.CSINodeDriver, fldPath *field.Path, validationOpts CSINodeValidationOptions) field.ErrorList {
allErrs := field.ErrorList{}
driverNamesInSpecs := make(sets.String)
for i, driver := range drivers {
idxPath := fldPath.Index(i)
allErrs = append(allErrs, validateCSINodeDriver(driver, driverNamesInSpecs, idxPath)...)
allErrs = append(allErrs, validateCSINodeDriver(driver, driverNamesInSpecs, idxPath, validationOpts)...)
}
return allErrs
}
// validateCSINodeDriverNodeID tests if Name in CSINodeDriver is a valid node id.
func validateCSINodeDriverNodeID(nodeID string, fldPath *field.Path) field.ErrorList {
func validateCSINodeDriverNodeID(nodeID string, fldPath *field.Path, validationOpts CSINodeValidationOptions) field.ErrorList {
allErrs := field.ErrorList{}
// nodeID is always required
if len(nodeID) == 0 {
allErrs = append(allErrs, field.Required(fldPath, nodeID))
}
if len(nodeID) > csiNodeIDMaxLength {
maxLength := csiNodeIDMaxLength
if validationOpts.AllowLongNodeID {
maxLength = csiNodeIDLongerMaxLength
}
if len(nodeID) > maxLength {
allErrs = append(allErrs, field.Invalid(fldPath, nodeID, fmt.Sprintf("must be %d characters or less", csiNodeIDMaxLength)))
}
return allErrs
}
// CSINodeLongerID will check if the nodeID is longer than csiNodeIDMaxLength
func CSINodeLongerID(nodeID string) bool {
return len(nodeID) > csiNodeIDMaxLength
}
// validateCSINodeDriverAllocatable tests if Allocatable in CSINodeDriver has valid volume limits.
func validateCSINodeDriverAllocatable(a *storage.VolumeNodeResources, fldPath *field.Path) field.ErrorList {
allErrs := field.ErrorList{}
@@ -362,11 +377,12 @@ func validateCSINodeDriverAllocatable(a *storage.VolumeNodeResources, fldPath *f
}
// validateCSINodeDriver tests if CSINodeDriver has valid entries
func validateCSINodeDriver(driver storage.CSINodeDriver, driverNamesInSpecs sets.String, fldPath *field.Path) field.ErrorList {
func validateCSINodeDriver(driver storage.CSINodeDriver, driverNamesInSpecs sets.String, fldPath *field.Path,
validationOpts CSINodeValidationOptions) field.ErrorList {
allErrs := field.ErrorList{}
allErrs = append(allErrs, apivalidation.ValidateCSIDriverName(driver.Name, fldPath.Child("name"))...)
allErrs = append(allErrs, validateCSINodeDriverNodeID(driver.NodeID, fldPath.Child("nodeID"))...)
allErrs = append(allErrs, validateCSINodeDriverNodeID(driver.NodeID, fldPath.Child("nodeID"), validationOpts)...)
allErrs = append(allErrs, validateCSINodeDriverAllocatable(driver.Allocatable, fldPath.Child("allocatable"))...)
// check for duplicate entries for the same driver in specs

37
pkg/apis/storage/validation/validation_test.go
View File

@@ -46,6 +46,12 @@ var (
},
},
}
longerIDValidateOption = CSINodeValidationOptions{
AllowLongNodeID: true,
}
shorterIDValidationOption = CSINodeValidationOptions{
AllowLongNodeID: false,
}
)
func TestValidateStorageClass(t *testing.T) {
@@ -1026,8 +1032,9 @@ func TestValidateAllowedTopologies(t *testing.T) {
func TestCSINodeValidation(t *testing.T) {
driverName := "driver-name"
driverName2 := "1io.kubernetes-storage-2-csi-driver3"
longName := "my-a-b-c-d-c-f-g-h-i-j-k-l-m-n-o-p-q-r-s-t-u-v-w-x-y-z-ABCDEFGHIJKLMNOPQRSTUVWXYZ-driver"
longName := "my-a-b-c-d-c-f-g-h-i-j-k-l-m-n-o-p-q-r-s-t-u-v-w-x-y-z-ABCDEFGHIJKLMNOPQRSTUVWXYZ-driver" // 88 chars
nodeID := "nodeA"
longID := longName + longName // 176 chars
successCases := []storage.CSINode{
{
// driver name: dot only
@@ -1217,10 +1224,29 @@ func TestCSINodeValidation(t *testing.T) {
}
for _, csiNode := range successCases {
if errs := ValidateCSINode(&csiNode); len(errs) != 0 {
if errs := ValidateCSINode(&csiNode, shorterIDValidationOption); len(errs) != 0 {
t.Errorf("expected success: %v", errs)
}
}
nodeIDCase := storage.CSINode{
// node ID length > 128 but < 192
ObjectMeta: metav1.ObjectMeta{Name: "foo7"},
Spec: storage.CSINodeSpec{
Drivers: []storage.CSINodeDriver{
{
Name: driverName,
NodeID: longID,
TopologyKeys: []string{"company.com/zone1", "company.com/zone2"},
},
},
},
}
if errs := ValidateCSINode(&nodeIDCase, longerIDValidateOption); len(errs) != 0 {
t.Errorf("expected success: %v", errs)
}
errorCases := []storage.CSINode{
{
// Empty driver name
@@ -1414,10 +1440,11 @@ func TestCSINodeValidation(t *testing.T) {
},
},
},
nodeIDCase,
}
for _, csiNode := range errorCases {
if errs := ValidateCSINode(&csiNode); len(errs) == 0 {
if errs := ValidateCSINode(&csiNode, shorterIDValidationOption); len(errs) == 0 {
t.Errorf("Expected failure for test: %v", csiNode)
}
}
@@ -1528,7 +1555,7 @@ func TestCSINodeUpdateValidation(t *testing.T) {
}
for _, csiNode := range successCases {
if errs := ValidateCSINodeUpdate(&csiNode, &old); len(errs) != 0 {
if errs := ValidateCSINodeUpdate(&csiNode, &old, shorterIDValidationOption); len(errs) != 0 {
t.Errorf("expected success: %+v", errs)
}
}
@@ -1651,7 +1678,7 @@ func TestCSINodeUpdateValidation(t *testing.T) {
}
for _, csiNode := range errorCases {
if errs := ValidateCSINodeUpdate(&csiNode, &old); len(errs) == 0 {
if errs := ValidateCSINodeUpdate(&csiNode, &old, shorterIDValidationOption); len(errs) == 0 {
t.Errorf("Expected failure for test: %+v", csiNode)
}
}