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feat: validate matchLabelKeys when labelSelector isn't set

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Signed-off-by: Alex Wang <wangqingcan1990@gmail.com>
This commit is contained in:
Alex Wang 2023-03-14 11:29:12 +08:00
parent 08dfa41f17
commit 8a1f9f43e6
2 changed files with 19 additions and 3 deletions
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5
pkg/apis/core/validation/validation.go
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@ -6964,7 +6964,9 @@ func validateMatchLabelKeys(fldPath *field.Path, matchLabelKeys []string, labelS
return nil return nil
} }
var allErrs field.ErrorList
labelSelectorKeys := sets.String{} labelSelectorKeys := sets.String{}
if labelSelector != nil { if labelSelector != nil {
for key := range labelSelector.MatchLabels { for key := range labelSelector.MatchLabels {
labelSelectorKeys.Insert(key) labelSelectorKeys.Insert(key)
@ -6972,9 +6974,10 @@ func validateMatchLabelKeys(fldPath *field.Path, matchLabelKeys []string, labelS
for _, matchExpression := range labelSelector.MatchExpressions { for _, matchExpression := range labelSelector.MatchExpressions {
labelSelectorKeys.Insert(matchExpression.Key) labelSelectorKeys.Insert(matchExpression.Key)
} }
} else {
allErrs = append(allErrs, field.Forbidden(fldPath, "must not be specified when labelSelector is not set"))
} }
allErrs := field.ErrorList{}
for i, key := range matchLabelKeys { for i, key := range matchLabelKeys {
allErrs = append(allErrs, unversionedvalidation.ValidateLabelName(key, fldPath.Index(i))...) allErrs = append(allErrs, unversionedvalidation.ValidateLabelName(key, fldPath.Index(i))...)
if labelSelectorKeys.Has(key) { if labelSelectorKeys.Has(key) {

17
pkg/apis/core/validation/validation_test.go
View File

@ -22091,11 +22091,12 @@ func TestValidateTopologySpreadConstraints(t *testing.T) {
{ {
MaxSkew: 1, MaxSkew: 1,
TopologyKey: "k8s.io/zone", TopologyKey: "k8s.io/zone",
LabelSelector: &metav1.LabelSelector{},
WhenUnsatisfiable: core.DoNotSchedule, WhenUnsatisfiable: core.DoNotSchedule,
MatchLabelKeys: []string{"/simple"}, MatchLabelKeys: []string{"/simple"},
}, },
}, },
wantFieldErrors: []*field.Error{field.Invalid(fieldPathMatchLabelKeys.Index(0), "/simple", "prefix part must be non-empty")}, wantFieldErrors: field.ErrorList{field.Invalid(fieldPathMatchLabelKeys.Index(0), "/simple", "prefix part must be non-empty")},
}, },
{ {
name: "key exists in both matchLabelKeys and labelSelector", name: "key exists in both matchLabelKeys and labelSelector",
@ -22116,7 +22117,19 @@ func TestValidateTopologySpreadConstraints(t *testing.T) {
}, },
}, },
}, },
wantFieldErrors: []*field.Error{field.Invalid(fieldPathMatchLabelKeys.Index(0), "foo", "exists in both matchLabelKeys and labelSelector")}, wantFieldErrors: field.ErrorList{field.Invalid(fieldPathMatchLabelKeys.Index(0), "foo", "exists in both matchLabelKeys and labelSelector")},
},
{
name: "key in MatchLabelKeys is forbidden to be specified when labelSelector is not set",
constraints: []core.TopologySpreadConstraint{
{
MaxSkew: 1,
TopologyKey: "k8s.io/zone",
WhenUnsatisfiable: core.DoNotSchedule,
MatchLabelKeys: []string{"foo"},
},
},
wantFieldErrors: field.ErrorList{field.Forbidden(fieldPathMatchLabelKeys, "must not be specified when labelSelector is not set")},
}, },
{ {
name: "invalid matchLabels set on labelSelector when AllowInvalidTopologySpreadConstraintLabelSelector is false", name: "invalid matchLabels set on labelSelector when AllowInvalidTopologySpreadConstraintLabelSelector is false",