Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

docs: clarify eviction-max-pod-grace-period behavior with negative values #1

Merged
merged 2 commits into from
Nov 25, 2024
Merged

docs: clarify eviction-max-pod-grace-period behavior with negative values #1

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
3075a9a
DRA API: validate node selector labels
AxeZhan Oct 23, 2024
e4c1f98
Merge pull request #128932 from pohly/dra-node-selector-validation
k8s-ci-robot Nov 22, 2024
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
28 changes: 18 additions & 10 deletions pkg/apis/core/validation/validation.go
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -4477,7 +4477,7 @@ func validateWindows(spec *core.PodSpec, fldPath *field.Path) field.ErrorList {
}

// ValidateNodeSelectorRequirement tests that the specified NodeSelectorRequirement fields has valid data
func ValidateNodeSelectorRequirement(rq core.NodeSelectorRequirement, fldPath *field.Path) field.ErrorList {
func ValidateNodeSelectorRequirement(rq core.NodeSelectorRequirement, allowInvalidLabelValueInRequiredNodeAffinity bool, fldPath *field.Path) field.ErrorList {
allErrs := field.ErrorList{}
switch rq.Operator {
case core.NodeSelectorOpIn, core.NodeSelectorOpNotIn:
Expand All @@ -4496,9 +4496,15 @@ func ValidateNodeSelectorRequirement(rq core.NodeSelectorRequirement, fldPath *f
default:
allErrs = append(allErrs, field.Invalid(fldPath.Child("operator"), rq.Operator, "not a valid selector operator"))
}

allErrs = append(allErrs, unversionedvalidation.ValidateLabelName(rq.Key, fldPath.Child("key"))...)

if !allowInvalidLabelValueInRequiredNodeAffinity {
path := fldPath.Child("values")
for valueIndex, value := range rq.Values {
for _, msg := range validation.IsValidLabelValue(value) {
allErrs = append(allErrs, field.Invalid(path.Index(valueIndex), value, msg))
}
}
}
return allErrs
}

Expand Down Expand Up @@ -4534,11 +4540,11 @@ func ValidateNodeFieldSelectorRequirement(req core.NodeSelectorRequirement, fldP
}

// ValidateNodeSelectorTerm tests that the specified node selector term has valid data
func ValidateNodeSelectorTerm(term core.NodeSelectorTerm, fldPath *field.Path) field.ErrorList {
func ValidateNodeSelectorTerm(term core.NodeSelectorTerm, allowInvalidLabelValueInRequiredNodeAffinity bool, fldPath *field.Path) field.ErrorList {
allErrs := field.ErrorList{}

for j, req := range term.MatchExpressions {
allErrs = append(allErrs, ValidateNodeSelectorRequirement(req, fldPath.Child("matchExpressions").Index(j))...)
allErrs = append(allErrs, ValidateNodeSelectorRequirement(req, allowInvalidLabelValueInRequiredNodeAffinity, fldPath.Child("matchExpressions").Index(j))...)
}

for j, req := range term.MatchFields {
Expand All @@ -4549,7 +4555,7 @@ func ValidateNodeSelectorTerm(term core.NodeSelectorTerm, fldPath *field.Path) f
}

// ValidateNodeSelector tests that the specified nodeSelector fields has valid data
func ValidateNodeSelector(nodeSelector *core.NodeSelector, fldPath *field.Path) field.ErrorList {
func ValidateNodeSelector(nodeSelector *core.NodeSelector, allowInvalidLabelValueInRequiredNodeAffinity bool, fldPath *field.Path) field.ErrorList {
allErrs := field.ErrorList{}

termFldPath := fldPath.Child("nodeSelectorTerms")
Expand All @@ -4558,7 +4564,7 @@ func ValidateNodeSelector(nodeSelector *core.NodeSelector, fldPath *field.Path)
}

for i, term := range nodeSelector.NodeSelectorTerms {
allErrs = append(allErrs, ValidateNodeSelectorTerm(term, termFldPath.Index(i))...)
allErrs = append(allErrs, ValidateNodeSelectorTerm(term, allowInvalidLabelValueInRequiredNodeAffinity, termFldPath.Index(i))...)
}

return allErrs
Expand Down Expand Up @@ -4659,7 +4665,9 @@ func ValidatePreferredSchedulingTerms(terms []core.PreferredSchedulingTerm, fldP
allErrs = append(allErrs, field.Invalid(fldPath.Index(i).Child("weight"), term.Weight, "must be in the range 1-100"))
}

allErrs = append(allErrs, ValidateNodeSelectorTerm(term.Preference, fldPath.Index(i).Child("preference"))...)
// we always allow invalid label-value for preferred affinity
// as they can success when cluster has only one node
allErrs = append(allErrs, ValidateNodeSelectorTerm(term.Preference, true, fldPath.Index(i).Child("preference"))...)
}
return allErrs
}
Expand Down Expand Up @@ -4729,7 +4737,7 @@ func validateNodeAffinity(na *core.NodeAffinity, fldPath *field.Path) field.Erro
// allErrs = append(allErrs, ValidateNodeSelector(na.RequiredDuringSchedulingRequiredDuringExecution, fldPath.Child("requiredDuringSchedulingRequiredDuringExecution"))...)
// }
if na.RequiredDuringSchedulingIgnoredDuringExecution != nil {
allErrs = append(allErrs, ValidateNodeSelector(na.RequiredDuringSchedulingIgnoredDuringExecution, fldPath.Child("requiredDuringSchedulingIgnoredDuringExecution"))...)
allErrs = append(allErrs, ValidateNodeSelector(na.RequiredDuringSchedulingIgnoredDuringExecution, true /* TODO: opts.AllowInvalidLabelValueInRequiredNodeAffinity */, fldPath.Child("requiredDuringSchedulingIgnoredDuringExecution"))...)
}
if len(na.PreferredDuringSchedulingIgnoredDuringExecution) > 0 {
allErrs = append(allErrs, ValidatePreferredSchedulingTerms(na.PreferredDuringSchedulingIgnoredDuringExecution, fldPath.Child("preferredDuringSchedulingIgnoredDuringExecution"))...)
Expand Down Expand Up @@ -7783,7 +7791,7 @@ func validateVolumeNodeAffinity(nodeAffinity *core.VolumeNodeAffinity, fldPath *
}

if nodeAffinity.Required != nil {
allErrs = append(allErrs, ValidateNodeSelector(nodeAffinity.Required, fldPath.Child("required"))...)
allErrs = append(allErrs, ValidateNodeSelector(nodeAffinity.Required, true /* TODO: opts.AllowInvalidLabelValueInRequiredNodeAffinity */, fldPath.Child("required"))...)
} else {
allErrs = append(allErrs, field.Required(fldPath.Child("required"), "must specify required node constraints"))
}
Expand Down
4 changes: 2 additions & 2 deletions pkg/apis/resource/validation/validation.go
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -332,7 +332,7 @@ func validateAllocationResult(allocation *resource.AllocationResult, fldPath *fi
var allErrs field.ErrorList
allErrs = append(allErrs, validateDeviceAllocationResult(allocation.Devices, fldPath.Child("devices"), requestNames, stored)...)
if allocation.NodeSelector != nil {
allErrs = append(allErrs, corevalidation.ValidateNodeSelector(allocation.NodeSelector, fldPath.Child("nodeSelector"))...)
allErrs = append(allErrs, corevalidation.ValidateNodeSelector(allocation.NodeSelector, false, fldPath.Child("nodeSelector"))...)
}
return allErrs
}
Expand Down Expand Up @@ -490,7 +490,7 @@ func validateResourceSliceSpec(spec, oldSpec *resource.ResourceSliceSpec, fldPat
}
if spec.NodeSelector != nil {
numNodeSelectionFields++
allErrs = append(allErrs, corevalidation.ValidateNodeSelector(spec.NodeSelector, fldPath.Child("nodeSelector"))...)
allErrs = append(allErrs, corevalidation.ValidateNodeSelector(spec.NodeSelector, false, fldPath.Child("nodeSelector"))...)
if len(spec.NodeSelector.NodeSelectorTerms) != 1 {
// This additional constraint simplifies merging of different selectors
// when devices are allocated from different slices.
Expand Down
47 changes: 47 additions & 0 deletions pkg/apis/resource/validation/validation_resourceclaim_test.go
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -1282,6 +1282,53 @@ func TestValidateClaimStatusUpdate(t *testing.T) {
},
deviceStatusFeatureGate: false,
},
"invalid-update-invalid-label-value": {
wantFailures: field.ErrorList{
field.Invalid(field.NewPath("status", "allocation", "nodeSelector", "nodeSelectorTerms").Index(0).Child("matchExpressions").Index(0).Child("values").Index(0), "-1", "a valid label must be an empty string or consist of alphanumeric characters, '-', '_' or '.', and must start and end with an alphanumeric character (e.g. 'MyValue', or 'my_value', or '12345', regex used for validation is '(([A-Za-z0-9][-A-Za-z0-9_.]*)?[A-Za-z0-9])?')"),
},
oldClaim: validClaim,
update: func(claim *resource.ResourceClaim) *resource.ResourceClaim {
claim = claim.DeepCopy()
claim.Status.Allocation = validAllocatedClaim.Status.Allocation.DeepCopy()
claim.Status.Allocation.NodeSelector = &core.NodeSelector{
NodeSelectorTerms: []core.NodeSelectorTerm{{
MatchExpressions: []core.NodeSelectorRequirement{{
Key: "foo",
Operator: core.NodeSelectorOpIn,
Values: []string{"-1"},
}},
}},
}
return claim
},
},
"valid-update-with-invalid-label-value": {
oldClaim: func() *resource.ResourceClaim {
claim := validAllocatedClaim.DeepCopy()
claim.Status.Allocation = validAllocatedClaim.Status.Allocation.DeepCopy()
claim.Status.Allocation.NodeSelector = &core.NodeSelector{
NodeSelectorTerms: []core.NodeSelectorTerm{{
MatchExpressions: []core.NodeSelectorRequirement{{
Key: "foo",
Operator: core.NodeSelectorOpIn,
Values: []string{"-1"},
}},
}},
}
return claim
}(),
update: func(claim *resource.ResourceClaim) *resource.ResourceClaim {
for i := 0; i < resource.ResourceClaimReservedForMaxSize; i++ {
claim.Status.ReservedFor = append(claim.Status.ReservedFor,
resource.ResourceClaimConsumerReference{
Resource: "pods",
Name: fmt.Sprintf("foo-%d", i),
UID: types.UID(fmt.Sprintf("%d", i)),
})
}
return claim
},
},
}

for name, scenario := range scenarios {
Expand Down
46 changes: 46 additions & 0 deletions pkg/apis/resource/validation/validation_resourceslice_test.go
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -430,6 +430,23 @@ func TestValidateResourceSlice(t *testing.T) {
return slice
}(),
},
"invalid-node-selecor-label-value": {
wantFailures: field.ErrorList{field.Invalid(field.NewPath("spec", "nodeSelector", "nodeSelectorTerms").Index(0).Child("matchExpressions").Index(0).Child("values").Index(0), "-1", "a valid label must be an empty string or consist of alphanumeric characters, '-', '_' or '.', and must start and end with an alphanumeric character (e.g. 'MyValue', or 'my_value', or '12345', regex used for validation is '(([A-Za-z0-9][-A-Za-z0-9_.]*)?[A-Za-z0-9])?')")},
slice: func() *resourceapi.ResourceSlice {
slice := testResourceSlice(goodName, goodName, goodName, 3)
slice.Spec.NodeName = ""
slice.Spec.NodeSelector = &core.NodeSelector{
NodeSelectorTerms: []core.NodeSelectorTerm{{
MatchExpressions: []core.NodeSelectorRequirement{{
Key: "foo",
Operator: core.NodeSelectorOpIn,
Values: []string{"-1"},
}},
}},
}
return slice
}(),
},
}

for name, scenario := range scenarios {
Expand Down Expand Up @@ -485,6 +502,35 @@ func TestValidateResourceSliceUpdate(t *testing.T) {
return slice
},
},
"invalid-update-to-invalid-nodeselector-label-value": {
wantFailures: field.ErrorList{field.Invalid(field.NewPath("spec", "nodeSelector", "nodeSelectorTerms").Index(0).Child("matchExpressions").Index(0).Child("values").Index(0), "-1", "a valid label must be an empty string or consist of alphanumeric characters, '-', '_' or '.', and must start and end with an alphanumeric character (e.g. 'MyValue', or 'my_value', or '12345', regex used for validation is '(([A-Za-z0-9][-A-Za-z0-9_.]*)?[A-Za-z0-9])?')")},
oldResourceSlice: func() *resourceapi.ResourceSlice {
slice := validResourceSlice.DeepCopy()
slice.Spec.NodeName = ""
slice.Spec.NodeSelector = &core.NodeSelector{
NodeSelectorTerms: []core.NodeSelectorTerm{{
MatchExpressions: []core.NodeSelectorRequirement{{
Key: "foo",
Operator: core.NodeSelectorOpIn,
Values: []string{"bar"},
}},
}},
}
return slice
}(),
update: func(slice *resourceapi.ResourceSlice) *resourceapi.ResourceSlice {
slice.Spec.NodeSelector = &core.NodeSelector{
NodeSelectorTerms: []core.NodeSelectorTerm{{
MatchExpressions: []core.NodeSelectorRequirement{{
Key: "foo",
Operator: core.NodeSelectorOpIn,
Values: []string{"-1"},
}},
}},
}
return slice
},
},
}

for name, scenario := range scenarios {
Expand Down