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68 lines
2.9 KiB
Go
68 lines
2.9 KiB
Go
/*
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Copyright 2016 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package validation
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import (
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"reflect"
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apivalidation "k8s.io/kubernetes/pkg/api/validation"
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extensionsvalidation "k8s.io/kubernetes/pkg/apis/extensions/validation"
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unversionedvalidation "k8s.io/kubernetes/pkg/apis/meta/v1/validation"
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"k8s.io/kubernetes/pkg/apis/policy"
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"k8s.io/kubernetes/pkg/util/validation/field"
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)
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func ValidatePodDisruptionBudget(pdb *policy.PodDisruptionBudget) field.ErrorList {
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allErrs := ValidatePodDisruptionBudgetSpec(pdb.Spec, field.NewPath("spec"))
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allErrs = append(allErrs, ValidatePodDisruptionBudgetStatus(pdb.Status, field.NewPath("status"))...)
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return allErrs
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}
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func ValidatePodDisruptionBudgetUpdate(pdb, oldPdb *policy.PodDisruptionBudget) field.ErrorList {
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allErrs := field.ErrorList{}
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restoreGeneration := pdb.Generation
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pdb.Generation = oldPdb.Generation
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if !reflect.DeepEqual(pdb, oldPdb) {
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allErrs = append(allErrs, field.Forbidden(field.NewPath("spec"), "updates to poddisruptionbudget spec are forbidden."))
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}
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allErrs = append(allErrs, ValidatePodDisruptionBudgetStatus(pdb.Status, field.NewPath("status"))...)
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pdb.Generation = restoreGeneration
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return allErrs
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}
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func ValidatePodDisruptionBudgetSpec(spec policy.PodDisruptionBudgetSpec, fldPath *field.Path) field.ErrorList {
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allErrs := field.ErrorList{}
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allErrs = append(allErrs, extensionsvalidation.ValidatePositiveIntOrPercent(spec.MinAvailable, fldPath.Child("minAvailable"))...)
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allErrs = append(allErrs, extensionsvalidation.IsNotMoreThan100Percent(spec.MinAvailable, fldPath.Child("minAvailable"))...)
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allErrs = append(allErrs, unversionedvalidation.ValidateLabelSelector(spec.Selector, fldPath.Child("selector"))...)
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return allErrs
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}
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func ValidatePodDisruptionBudgetStatus(status policy.PodDisruptionBudgetStatus, fldPath *field.Path) field.ErrorList {
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allErrs := field.ErrorList{}
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allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(status.PodDisruptionsAllowed), fldPath.Child("podDisruptionsAllowed"))...)
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allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(status.CurrentHealthy), fldPath.Child("currentHealthy"))...)
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allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(status.DesiredHealthy), fldPath.Child("desiredHealthy"))...)
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allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(status.ExpectedPods), fldPath.Child("expectedPods"))...)
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return allErrs
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}
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