diff options
Diffstat (limited to 'vendor/k8s.io/apimachinery/pkg/apis/meta/v1/validation/validation.go')
-rw-r--r-- | vendor/k8s.io/apimachinery/pkg/apis/meta/v1/validation/validation.go | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/vendor/k8s.io/apimachinery/pkg/apis/meta/v1/validation/validation.go b/vendor/k8s.io/apimachinery/pkg/apis/meta/v1/validation/validation.go new file mode 100644 index 000000000..f06f075bf --- /dev/null +++ b/vendor/k8s.io/apimachinery/pkg/apis/meta/v1/validation/validation.go @@ -0,0 +1,90 @@ +/* +Copyright 2015 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. +*/ + +package validation + +import ( + "fmt" + + metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" + "k8s.io/apimachinery/pkg/util/validation" + "k8s.io/apimachinery/pkg/util/validation/field" +) + +func ValidateLabelSelector(ps *metav1.LabelSelector, fldPath *field.Path) field.ErrorList { + allErrs := field.ErrorList{} + if ps == nil { + return allErrs + } + allErrs = append(allErrs, ValidateLabels(ps.MatchLabels, fldPath.Child("matchLabels"))...) + for i, expr := range ps.MatchExpressions { + allErrs = append(allErrs, ValidateLabelSelectorRequirement(expr, fldPath.Child("matchExpressions").Index(i))...) + } + return allErrs +} + +func ValidateLabelSelectorRequirement(sr metav1.LabelSelectorRequirement, fldPath *field.Path) field.ErrorList { + allErrs := field.ErrorList{} + switch sr.Operator { + case metav1.LabelSelectorOpIn, metav1.LabelSelectorOpNotIn: + if len(sr.Values) == 0 { + allErrs = append(allErrs, field.Required(fldPath.Child("values"), "must be specified when `operator` is 'In' or 'NotIn'")) + } + case metav1.LabelSelectorOpExists, metav1.LabelSelectorOpDoesNotExist: + if len(sr.Values) > 0 { + allErrs = append(allErrs, field.Forbidden(fldPath.Child("values"), "may not be specified when `operator` is 'Exists' or 'DoesNotExist'")) + } + default: + allErrs = append(allErrs, field.Invalid(fldPath.Child("operator"), sr.Operator, "not a valid selector operator")) + } + allErrs = append(allErrs, ValidateLabelName(sr.Key, fldPath.Child("key"))...) + return allErrs +} + +// ValidateLabelName validates that the label name is correctly defined. +func ValidateLabelName(labelName string, fldPath *field.Path) field.ErrorList { + allErrs := field.ErrorList{} + for _, msg := range validation.IsQualifiedName(labelName) { + allErrs = append(allErrs, field.Invalid(fldPath, labelName, msg)) + } + return allErrs +} + +// ValidateLabels validates that a set of labels are correctly defined. +func ValidateLabels(labels map[string]string, fldPath *field.Path) field.ErrorList { + allErrs := field.ErrorList{} + for k, v := range labels { + allErrs = append(allErrs, ValidateLabelName(k, fldPath)...) + for _, msg := range validation.IsValidLabelValue(v) { + allErrs = append(allErrs, field.Invalid(fldPath, v, msg)) + } + } + return allErrs +} + +func ValidateDeleteOptions(options *metav1.DeleteOptions) field.ErrorList { + allErrs := field.ErrorList{} + if options.OrphanDependents != nil && options.PropagationPolicy != nil { + allErrs = append(allErrs, field.Invalid(field.NewPath(""), options, "OrphanDependents and DeletionPropagation cannot be both set")) + } + if options.PropagationPolicy != nil && + *options.PropagationPolicy != metav1.DeletePropagationForeground && + *options.PropagationPolicy != metav1.DeletePropagationBackground && + *options.PropagationPolicy != metav1.DeletePropagationOrphan { + allErrs = append(allErrs, field.Invalid(field.NewPath(""), options, fmt.Sprintf("DeletionPropagation need to be one of %q, %q, %q or nil", metav1.DeletePropagationForeground, metav1.DeletePropagationBackground, metav1.DeletePropagationOrphan))) + } + return allErrs +} |