96 lines
3.5 KiB
Go
96 lines
3.5 KiB
Go
/*
|
|
Copyright 2014 The Kubernetes Authors.
|
|
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
|
you may not use this file except in compliance with the License.
|
|
You may obtain a copy of the License at
|
|
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
Unless required by applicable law or agreed to in writing, software
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
See the License for the specific language governing permissions and
|
|
limitations under the License.
|
|
*/
|
|
|
|
// This code is directly lifted from the Kubernetes codebase.
|
|
// For reference:
|
|
// https://github.com/kubernetes/kubernetes/blob/release-1.26/pkg/apis/core/validation/validation.go#L3497-L3518
|
|
// https://github.com/kubernetes/kubernetes/blob/release-1.26/pkg/apis/core/validation/validation.go#L5227-L5259
|
|
|
|
package lifted
|
|
|
|
import (
|
|
"strings"
|
|
|
|
corev1 "k8s.io/api/core/v1"
|
|
unversionedvalidation "k8s.io/apimachinery/pkg/apis/meta/v1/validation"
|
|
"k8s.io/apimachinery/pkg/util/sets"
|
|
"k8s.io/apimachinery/pkg/util/validation"
|
|
"k8s.io/apimachinery/pkg/util/validation/field"
|
|
)
|
|
|
|
// +lifted:source=https://github.com/kubernetes/kubernetes/blob/release-1.26/pkg/apis/core/validation/validation.go#L3497-L3518
|
|
// +lifted:changed
|
|
|
|
// Original func name: validateTaintEffect
|
|
func validateClusterTaintEffect(effect *corev1.TaintEffect, allowEmpty bool, fldPath *field.Path) field.ErrorList {
|
|
if !allowEmpty && len(*effect) == 0 {
|
|
return field.ErrorList{field.Required(fldPath, "")}
|
|
}
|
|
|
|
allErrors := field.ErrorList{}
|
|
switch *effect {
|
|
case corev1.TaintEffectNoSchedule, corev1.TaintEffectNoExecute:
|
|
default:
|
|
validValues := []string{
|
|
string(corev1.TaintEffectNoSchedule),
|
|
string(corev1.TaintEffectNoExecute),
|
|
}
|
|
allErrors = append(allErrors, field.NotSupported(fldPath, *effect, validValues))
|
|
}
|
|
return allErrors
|
|
}
|
|
|
|
// +lifted:source=https://github.com/kubernetes/kubernetes/blob/release-1.26/pkg/apis/core/validation/validation.go#L5227-L5259
|
|
// +lifted:changed
|
|
|
|
// ValidateClusterTaints tests if given taints have valid data. Original func name: validateNodeTaints
|
|
func ValidateClusterTaints(taints []corev1.Taint, fldPath *field.Path) field.ErrorList {
|
|
allErrors := field.ErrorList{}
|
|
|
|
//nolint:staticcheck
|
|
// disable `deprecation` check for lifted code.
|
|
uniqueTaints := map[corev1.TaintEffect]sets.String{}
|
|
|
|
for i, currTaint := range taints {
|
|
idxPath := fldPath.Index(i)
|
|
// validate the taint key
|
|
allErrors = append(allErrors, unversionedvalidation.ValidateLabelName(currTaint.Key, idxPath.Child("key"))...)
|
|
// validate the taint value
|
|
if errs := validation.IsValidLabelValue(currTaint.Value); len(errs) != 0 {
|
|
allErrors = append(allErrors, field.Invalid(idxPath.Child("value"), currTaint.Value, strings.Join(errs, ";")))
|
|
}
|
|
// validate the taint effect
|
|
allErrors = append(allErrors, validateClusterTaintEffect(&currTaint.Effect, false, idxPath.Child("effect"))...)
|
|
|
|
// validate if taint is unique by <key, effect>
|
|
if len(uniqueTaints[currTaint.Effect]) > 0 && uniqueTaints[currTaint.Effect].Has(currTaint.Key) {
|
|
duplicatedError := field.Duplicate(idxPath, currTaint)
|
|
duplicatedError.Detail = "taints must be unique by key and effect pair"
|
|
allErrors = append(allErrors, duplicatedError)
|
|
continue
|
|
}
|
|
|
|
// add taint to existingTaints for uniqueness check
|
|
if len(uniqueTaints[currTaint.Effect]) == 0 {
|
|
//nolint:staticcheck
|
|
// disable `deprecation` check for lifted code.
|
|
uniqueTaints[currTaint.Effect] = sets.String{}
|
|
}
|
|
uniqueTaints[currTaint.Effect].Insert(currTaint.Key)
|
|
}
|
|
return allErrors
|
|
}
|