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			760 lines
		
	
	
		
			42 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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	"fmt"
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	"strconv"
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	apiequality "k8s.io/apimachinery/pkg/api/equality"
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	apimachineryvalidation "k8s.io/apimachinery/pkg/api/validation"
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	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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	unversionedvalidation "k8s.io/apimachinery/pkg/apis/meta/v1/validation"
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	"k8s.io/apimachinery/pkg/labels"
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	"k8s.io/apimachinery/pkg/util/intstr"
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	"k8s.io/apimachinery/pkg/util/validation"
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	"k8s.io/apimachinery/pkg/util/validation/field"
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	"k8s.io/kubernetes/pkg/apis/apps"
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	api "k8s.io/kubernetes/pkg/apis/core"
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	apivalidation "k8s.io/kubernetes/pkg/apis/core/validation"
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)
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// ValidateStatefulSetName can be used to check whether the given StatefulSet name is valid.
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// Prefix indicates this name will be used as part of generation, in which case
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// trailing dashes are allowed.
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func ValidateStatefulSetName(name string, prefix bool) []string {
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	// TODO: Validate that there's room for the suffix inserted by the pods.
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	// Currently this is just "-index". In the future we may allow a user
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	// specified list of suffixes and we need  to validate the longest one.
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	return apimachineryvalidation.NameIsDNSLabel(name, prefix)
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}
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// ValidatePodTemplateSpecForStatefulSet validates the given template and ensures that it is in accordance with the desired selector.
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func ValidatePodTemplateSpecForStatefulSet(template *api.PodTemplateSpec, selector labels.Selector, fldPath *field.Path, opts apivalidation.PodValidationOptions) field.ErrorList {
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	allErrs := field.ErrorList{}
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	if template == nil {
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		allErrs = append(allErrs, field.Required(fldPath, ""))
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	} else {
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		if !selector.Empty() {
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			// Verify that the StatefulSet selector matches the labels in template.
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			labels := labels.Set(template.Labels)
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			if !selector.Matches(labels) {
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				allErrs = append(allErrs, field.Invalid(fldPath.Child("metadata", "labels"), template.Labels, "`selector` does not match template `labels`"))
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			}
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		}
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		// TODO: Add validation for PodSpec, currently this will check volumes, which we know will
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		// fail. We should really check that the union of the given volumes and volumeClaims match
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		// volume mounts in the containers.
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		// allErrs = append(allErrs, apivalidation.ValidatePodTemplateSpec(template, fldPath)...)
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		allErrs = append(allErrs, unversionedvalidation.ValidateLabels(template.Labels, fldPath.Child("labels"))...)
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		allErrs = append(allErrs, apivalidation.ValidateAnnotations(template.Annotations, fldPath.Child("annotations"))...)
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		allErrs = append(allErrs, apivalidation.ValidatePodSpecificAnnotations(template.Annotations, &template.Spec, fldPath.Child("annotations"), opts)...)
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	}
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	return allErrs
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}
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func ValidatePersistentVolumeClaimRetentionPolicyType(policy apps.PersistentVolumeClaimRetentionPolicyType, fldPath *field.Path) field.ErrorList {
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	var allErrs field.ErrorList
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	switch policy {
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	case apps.RetainPersistentVolumeClaimRetentionPolicyType:
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	case apps.DeletePersistentVolumeClaimRetentionPolicyType:
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	default:
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		allErrs = append(allErrs, field.NotSupported(fldPath, policy, []string{string(apps.RetainPersistentVolumeClaimRetentionPolicyType), string(apps.DeletePersistentVolumeClaimRetentionPolicyType)}))
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	}
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	return allErrs
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}
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func ValidatePersistentVolumeClaimRetentionPolicy(policy *apps.StatefulSetPersistentVolumeClaimRetentionPolicy, fldPath *field.Path) field.ErrorList {
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	var allErrs field.ErrorList
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	if policy != nil {
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		allErrs = append(allErrs, ValidatePersistentVolumeClaimRetentionPolicyType(policy.WhenDeleted, fldPath.Child("whenDeleted"))...)
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		allErrs = append(allErrs, ValidatePersistentVolumeClaimRetentionPolicyType(policy.WhenScaled, fldPath.Child("whenScaled"))...)
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	}
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	return allErrs
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}
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// ValidateStatefulSetSpec tests if required fields in the StatefulSet spec are set.
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func ValidateStatefulSetSpec(spec *apps.StatefulSetSpec, fldPath *field.Path, opts apivalidation.PodValidationOptions) field.ErrorList {
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	allErrs := field.ErrorList{}
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	switch spec.PodManagementPolicy {
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	case "":
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		allErrs = append(allErrs, field.Required(fldPath.Child("podManagementPolicy"), ""))
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	case apps.OrderedReadyPodManagement, apps.ParallelPodManagement:
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	default:
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		allErrs = append(allErrs, field.Invalid(fldPath.Child("podManagementPolicy"), spec.PodManagementPolicy, fmt.Sprintf("must be '%s' or '%s'", apps.OrderedReadyPodManagement, apps.ParallelPodManagement)))
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	}
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	switch spec.UpdateStrategy.Type {
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	case "":
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		allErrs = append(allErrs, field.Required(fldPath.Child("updateStrategy"), ""))
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	case apps.OnDeleteStatefulSetStrategyType:
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		if spec.UpdateStrategy.RollingUpdate != nil {
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			allErrs = append(
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				allErrs,
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				field.Invalid(
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					fldPath.Child("updateStrategy").Child("rollingUpdate"),
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					spec.UpdateStrategy.RollingUpdate,
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					fmt.Sprintf("only allowed for updateStrategy '%s'", apps.RollingUpdateStatefulSetStrategyType)))
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		}
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	case apps.RollingUpdateStatefulSetStrategyType:
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		if spec.UpdateStrategy.RollingUpdate != nil {
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			allErrs = append(allErrs, validateRollingUpdateStatefulSet(spec.UpdateStrategy.RollingUpdate, fldPath.Child("updateStrategy", "rollingUpdate"))...)
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		}
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	default:
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		allErrs = append(allErrs,
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			field.Invalid(fldPath.Child("updateStrategy"), spec.UpdateStrategy,
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				fmt.Sprintf("must be '%s' or '%s'",
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					apps.RollingUpdateStatefulSetStrategyType,
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					apps.OnDeleteStatefulSetStrategyType)))
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	}
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	allErrs = append(allErrs, ValidatePersistentVolumeClaimRetentionPolicy(spec.PersistentVolumeClaimRetentionPolicy, fldPath.Child("persistentVolumeClaimRetentionPolicy"))...)
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	allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(spec.Replicas), fldPath.Child("replicas"))...)
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	allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(spec.MinReadySeconds), fldPath.Child("minReadySeconds"))...)
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	if spec.Ordinals != nil {
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		replicaStartOrdinal := spec.Ordinals.Start
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		allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(replicaStartOrdinal), fldPath.Child("ordinals.start"))...)
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	}
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	if spec.Selector == nil {
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		allErrs = append(allErrs, field.Required(fldPath.Child("selector"), ""))
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	} else {
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		// validate selector strictly, spec.selector was always required to pass LabelSelectorAsSelector below
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		allErrs = append(allErrs, unversionedvalidation.ValidateLabelSelector(spec.Selector, unversionedvalidation.LabelSelectorValidationOptions{AllowInvalidLabelValueInSelector: false}, fldPath.Child("selector"))...)
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		if len(spec.Selector.MatchLabels)+len(spec.Selector.MatchExpressions) == 0 {
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			allErrs = append(allErrs, field.Invalid(fldPath.Child("selector"), spec.Selector, "empty selector is invalid for statefulset"))
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		}
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	}
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	selector, err := metav1.LabelSelectorAsSelector(spec.Selector)
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	if err != nil {
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		allErrs = append(allErrs, field.Invalid(fldPath.Child("selector"), spec.Selector, ""))
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	} else {
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		allErrs = append(allErrs, ValidatePodTemplateSpecForStatefulSet(&spec.Template, selector, fldPath.Child("template"), opts)...)
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	}
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	if spec.Template.Spec.RestartPolicy != api.RestartPolicyAlways {
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		allErrs = append(allErrs, field.NotSupported(fldPath.Child("template", "spec", "restartPolicy"), spec.Template.Spec.RestartPolicy, []string{string(api.RestartPolicyAlways)}))
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	}
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	if spec.Template.Spec.ActiveDeadlineSeconds != nil {
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		allErrs = append(allErrs, field.Forbidden(fldPath.Child("template", "spec", "activeDeadlineSeconds"), "activeDeadlineSeconds in StatefulSet is not Supported"))
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	}
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	return allErrs
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}
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// ValidateStatefulSet validates a StatefulSet.
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func ValidateStatefulSet(statefulSet *apps.StatefulSet, opts apivalidation.PodValidationOptions) field.ErrorList {
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	allErrs := apivalidation.ValidateObjectMeta(&statefulSet.ObjectMeta, true, ValidateStatefulSetName, field.NewPath("metadata"))
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	allErrs = append(allErrs, ValidateStatefulSetSpec(&statefulSet.Spec, field.NewPath("spec"), opts)...)
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	return allErrs
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}
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// ValidateStatefulSetUpdate tests if required fields in the StatefulSet are set.
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func ValidateStatefulSetUpdate(statefulSet, oldStatefulSet *apps.StatefulSet, opts apivalidation.PodValidationOptions) field.ErrorList {
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	// First, validate that the new statefulset is valid.  Don't call
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	// ValidateStatefulSet() because we don't want to revalidate the name on
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	// update.  This is important here because we used to allow DNS subdomain
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	// for name, but that can't actually create pods.  The only reasonable
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	// thing to do it delete such an instance, but if there is a finalizer, it
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	// would need to pass update validation.  Name can't change anyway.
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	allErrs := apivalidation.ValidateObjectMetaUpdate(&statefulSet.ObjectMeta, &oldStatefulSet.ObjectMeta, field.NewPath("metadata"))
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	allErrs = append(allErrs, ValidateStatefulSetSpec(&statefulSet.Spec, field.NewPath("spec"), opts)...)
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	// statefulset updates aren't super common and general updates are likely to be touching spec, so we'll do this
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	// deep copy right away.  This avoids mutating our inputs
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	newStatefulSetClone := statefulSet.DeepCopy()
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	newStatefulSetClone.Spec.Replicas = oldStatefulSet.Spec.Replicas               // +k8s:verify-mutation:reason=clone
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	newStatefulSetClone.Spec.Template = oldStatefulSet.Spec.Template               // +k8s:verify-mutation:reason=clone
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	newStatefulSetClone.Spec.UpdateStrategy = oldStatefulSet.Spec.UpdateStrategy   // +k8s:verify-mutation:reason=clone
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	newStatefulSetClone.Spec.MinReadySeconds = oldStatefulSet.Spec.MinReadySeconds // +k8s:verify-mutation:reason=clone
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	newStatefulSetClone.Spec.Ordinals = oldStatefulSet.Spec.Ordinals               // +k8s:verify-mutation:reason=clone
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	newStatefulSetClone.Spec.PersistentVolumeClaimRetentionPolicy = oldStatefulSet.Spec.PersistentVolumeClaimRetentionPolicy // +k8s:verify-mutation:reason=clone
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	if !apiequality.Semantic.DeepEqual(newStatefulSetClone.Spec, oldStatefulSet.Spec) {
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		allErrs = append(allErrs, field.Forbidden(field.NewPath("spec"), "updates to statefulset spec for fields other than 'replicas', 'ordinals', 'template', 'updateStrategy', 'persistentVolumeClaimRetentionPolicy' and 'minReadySeconds' are forbidden"))
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	}
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	return allErrs
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}
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// ValidateStatefulSetStatus validates a StatefulSetStatus.
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func ValidateStatefulSetStatus(status *apps.StatefulSetStatus, fieldPath *field.Path) field.ErrorList {
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	allErrs := field.ErrorList{}
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	allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(status.Replicas), fieldPath.Child("replicas"))...)
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	allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(status.ReadyReplicas), fieldPath.Child("readyReplicas"))...)
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	allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(status.CurrentReplicas), fieldPath.Child("currentReplicas"))...)
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	allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(status.UpdatedReplicas), fieldPath.Child("updatedReplicas"))...)
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	allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(status.AvailableReplicas), fieldPath.Child("availableReplicas"))...)
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	if status.ObservedGeneration != nil {
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		allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(*status.ObservedGeneration), fieldPath.Child("observedGeneration"))...)
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	}
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	if status.CollisionCount != nil {
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		allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(*status.CollisionCount), fieldPath.Child("collisionCount"))...)
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	}
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	msg := "cannot be greater than status.replicas"
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	if status.ReadyReplicas > status.Replicas {
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		allErrs = append(allErrs, field.Invalid(fieldPath.Child("readyReplicas"), status.ReadyReplicas, msg))
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	}
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	if status.CurrentReplicas > status.Replicas {
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		allErrs = append(allErrs, field.Invalid(fieldPath.Child("currentReplicas"), status.CurrentReplicas, msg))
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	}
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	if status.UpdatedReplicas > status.Replicas {
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		allErrs = append(allErrs, field.Invalid(fieldPath.Child("updatedReplicas"), status.UpdatedReplicas, msg))
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	}
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	if status.AvailableReplicas > status.Replicas {
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		allErrs = append(allErrs, field.Invalid(fieldPath.Child("availableReplicas"), status.AvailableReplicas, msg))
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	}
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	if status.AvailableReplicas > status.ReadyReplicas {
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		allErrs = append(allErrs, field.Invalid(fieldPath.Child("availableReplicas"), status.AvailableReplicas, "cannot be greater than status.readyReplicas"))
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	}
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	return allErrs
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}
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// ValidateStatefulSetStatusUpdate tests if required fields in the StatefulSet are set.
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func ValidateStatefulSetStatusUpdate(statefulSet, oldStatefulSet *apps.StatefulSet) field.ErrorList {
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	allErrs := field.ErrorList{}
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	allErrs = append(allErrs, ValidateStatefulSetStatus(&statefulSet.Status, field.NewPath("status"))...)
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	allErrs = append(allErrs, apivalidation.ValidateObjectMetaUpdate(&statefulSet.ObjectMeta, &oldStatefulSet.ObjectMeta, field.NewPath("metadata"))...)
 | 
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	// TODO: Validate status.
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	if apivalidation.IsDecremented(statefulSet.Status.CollisionCount, oldStatefulSet.Status.CollisionCount) {
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		value := int32(0)
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		if statefulSet.Status.CollisionCount != nil {
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			value = *statefulSet.Status.CollisionCount
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		}
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		allErrs = append(allErrs, field.Invalid(field.NewPath("status").Child("collisionCount"), value, "cannot be decremented"))
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	}
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	return allErrs
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}
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// ValidateControllerRevisionName can be used to check whether the given ControllerRevision name is valid.
 | 
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// Prefix indicates this name will be used as part of generation, in which case
 | 
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// trailing dashes are allowed.
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var ValidateControllerRevisionName = apimachineryvalidation.NameIsDNSSubdomain
 | 
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// ValidateControllerRevision collects errors for the fields of state and returns those errors as an ErrorList. If the
 | 
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// returned list is empty, state is valid. Validation is performed to ensure that state is a valid ObjectMeta, its name
 | 
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// is valid, and that it doesn't exceed the MaxControllerRevisionSize.
 | 
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func ValidateControllerRevision(revision *apps.ControllerRevision) field.ErrorList {
 | 
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	errs := field.ErrorList{}
 | 
						|
 | 
						|
	errs = append(errs, apivalidation.ValidateObjectMeta(&revision.ObjectMeta, true, ValidateControllerRevisionName, field.NewPath("metadata"))...)
 | 
						|
	if revision.Data == nil {
 | 
						|
		errs = append(errs, field.Required(field.NewPath("data"), "data is mandatory"))
 | 
						|
	}
 | 
						|
	errs = append(errs, apivalidation.ValidateNonnegativeField(revision.Revision, field.NewPath("revision"))...)
 | 
						|
	return errs
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						|
}
 | 
						|
 | 
						|
// ValidateControllerRevisionUpdate collects errors pertaining to the mutation of an ControllerRevision Object. If the
 | 
						|
// returned ErrorList is empty the update operation is valid. Any mutation to the ControllerRevision's Data or Revision
 | 
						|
// is considered to be invalid.
 | 
						|
func ValidateControllerRevisionUpdate(newHistory, oldHistory *apps.ControllerRevision) field.ErrorList {
 | 
						|
	errs := field.ErrorList{}
 | 
						|
 | 
						|
	errs = append(errs, apivalidation.ValidateObjectMetaUpdate(&newHistory.ObjectMeta, &oldHistory.ObjectMeta, field.NewPath("metadata"))...)
 | 
						|
	errs = append(errs, ValidateControllerRevision(newHistory)...)
 | 
						|
	errs = append(errs, apivalidation.ValidateImmutableField(newHistory.Data, oldHistory.Data, field.NewPath("data"))...)
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						|
	return errs
 | 
						|
}
 | 
						|
 | 
						|
// ValidateDaemonSet tests if required fields in the DaemonSet are set.
 | 
						|
func ValidateDaemonSet(ds *apps.DaemonSet, opts apivalidation.PodValidationOptions) field.ErrorList {
 | 
						|
	allErrs := apivalidation.ValidateObjectMeta(&ds.ObjectMeta, true, ValidateDaemonSetName, field.NewPath("metadata"))
 | 
						|
	allErrs = append(allErrs, ValidateDaemonSetSpec(&ds.Spec, field.NewPath("spec"), opts)...)
 | 
						|
	return allErrs
 | 
						|
}
 | 
						|
 | 
						|
// ValidateDaemonSetUpdate tests if required fields in the DaemonSet are set.
 | 
						|
func ValidateDaemonSetUpdate(ds, oldDS *apps.DaemonSet, opts apivalidation.PodValidationOptions) field.ErrorList {
 | 
						|
	allErrs := apivalidation.ValidateObjectMetaUpdate(&ds.ObjectMeta, &oldDS.ObjectMeta, field.NewPath("metadata"))
 | 
						|
	allErrs = append(allErrs, ValidateDaemonSetSpecUpdate(&ds.Spec, &oldDS.Spec, field.NewPath("spec"))...)
 | 
						|
	allErrs = append(allErrs, ValidateDaemonSetSpec(&ds.Spec, field.NewPath("spec"), opts)...)
 | 
						|
	return allErrs
 | 
						|
}
 | 
						|
 | 
						|
// ValidateDaemonSetSpecUpdate tests if an update to a DaemonSetSpec is valid.
 | 
						|
func ValidateDaemonSetSpecUpdate(newSpec, oldSpec *apps.DaemonSetSpec, fldPath *field.Path) field.ErrorList {
 | 
						|
	allErrs := field.ErrorList{}
 | 
						|
 | 
						|
	// TemplateGeneration shouldn't be decremented
 | 
						|
	if newSpec.TemplateGeneration < oldSpec.TemplateGeneration {
 | 
						|
		allErrs = append(allErrs, field.Invalid(fldPath.Child("templateGeneration"), newSpec.TemplateGeneration, "must not be decremented"))
 | 
						|
	}
 | 
						|
 | 
						|
	// TemplateGeneration should be increased when and only when template is changed
 | 
						|
	templateUpdated := !apiequality.Semantic.DeepEqual(newSpec.Template, oldSpec.Template)
 | 
						|
	if newSpec.TemplateGeneration == oldSpec.TemplateGeneration && templateUpdated {
 | 
						|
		allErrs = append(allErrs, field.Invalid(fldPath.Child("templateGeneration"), newSpec.TemplateGeneration, "must be incremented upon template update"))
 | 
						|
	} else if newSpec.TemplateGeneration > oldSpec.TemplateGeneration && !templateUpdated {
 | 
						|
		allErrs = append(allErrs, field.Invalid(fldPath.Child("templateGeneration"), newSpec.TemplateGeneration, "must not be incremented without template update"))
 | 
						|
	}
 | 
						|
 | 
						|
	return allErrs
 | 
						|
}
 | 
						|
 | 
						|
// validateDaemonSetStatus validates a DaemonSetStatus
 | 
						|
func validateDaemonSetStatus(status *apps.DaemonSetStatus, fldPath *field.Path) field.ErrorList {
 | 
						|
	allErrs := field.ErrorList{}
 | 
						|
	allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(status.CurrentNumberScheduled), fldPath.Child("currentNumberScheduled"))...)
 | 
						|
	allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(status.NumberMisscheduled), fldPath.Child("numberMisscheduled"))...)
 | 
						|
	allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(status.DesiredNumberScheduled), fldPath.Child("desiredNumberScheduled"))...)
 | 
						|
	allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(status.NumberReady), fldPath.Child("numberReady"))...)
 | 
						|
	allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(status.ObservedGeneration, fldPath.Child("observedGeneration"))...)
 | 
						|
	allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(status.UpdatedNumberScheduled), fldPath.Child("updatedNumberScheduled"))...)
 | 
						|
	allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(status.NumberAvailable), fldPath.Child("numberAvailable"))...)
 | 
						|
	allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(status.NumberUnavailable), fldPath.Child("numberUnavailable"))...)
 | 
						|
	if status.CollisionCount != nil {
 | 
						|
		allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(*status.CollisionCount), fldPath.Child("collisionCount"))...)
 | 
						|
	}
 | 
						|
	return allErrs
 | 
						|
}
 | 
						|
 | 
						|
// ValidateDaemonSetStatusUpdate tests if required fields in the DaemonSet Status section
 | 
						|
func ValidateDaemonSetStatusUpdate(ds, oldDS *apps.DaemonSet) field.ErrorList {
 | 
						|
	allErrs := apivalidation.ValidateObjectMetaUpdate(&ds.ObjectMeta, &oldDS.ObjectMeta, field.NewPath("metadata"))
 | 
						|
	allErrs = append(allErrs, validateDaemonSetStatus(&ds.Status, field.NewPath("status"))...)
 | 
						|
	if apivalidation.IsDecremented(ds.Status.CollisionCount, oldDS.Status.CollisionCount) {
 | 
						|
		value := int32(0)
 | 
						|
		if ds.Status.CollisionCount != nil {
 | 
						|
			value = *ds.Status.CollisionCount
 | 
						|
		}
 | 
						|
		allErrs = append(allErrs, field.Invalid(field.NewPath("status").Child("collisionCount"), value, "cannot be decremented"))
 | 
						|
	}
 | 
						|
	return allErrs
 | 
						|
}
 | 
						|
 | 
						|
// ValidateDaemonSetSpec tests if required fields in the DaemonSetSpec are set.
 | 
						|
func ValidateDaemonSetSpec(spec *apps.DaemonSetSpec, fldPath *field.Path, opts apivalidation.PodValidationOptions) field.ErrorList {
 | 
						|
	allErrs := field.ErrorList{}
 | 
						|
	labelSelectorValidationOpts := unversionedvalidation.LabelSelectorValidationOptions{AllowInvalidLabelValueInSelector: opts.AllowInvalidLabelValueInSelector}
 | 
						|
 | 
						|
	allErrs = append(allErrs, unversionedvalidation.ValidateLabelSelector(spec.Selector, labelSelectorValidationOpts, fldPath.Child("selector"))...)
 | 
						|
 | 
						|
	selector, err := metav1.LabelSelectorAsSelector(spec.Selector)
 | 
						|
	if err == nil && !selector.Matches(labels.Set(spec.Template.Labels)) {
 | 
						|
		allErrs = append(allErrs, field.Invalid(fldPath.Child("template", "metadata", "labels"), spec.Template.Labels, "`selector` does not match template `labels`"))
 | 
						|
	}
 | 
						|
	if spec.Selector != nil && len(spec.Selector.MatchLabels)+len(spec.Selector.MatchExpressions) == 0 {
 | 
						|
		allErrs = append(allErrs, field.Invalid(fldPath.Child("selector"), spec.Selector, "empty selector is invalid for daemonset"))
 | 
						|
	}
 | 
						|
 | 
						|
	allErrs = append(allErrs, apivalidation.ValidatePodTemplateSpec(&spec.Template, fldPath.Child("template"), opts)...)
 | 
						|
	// Daemons typically run on more than one node, so mark Read-Write persistent disks as invalid.
 | 
						|
	allErrs = append(allErrs, apivalidation.ValidateReadOnlyPersistentDisks(spec.Template.Spec.Volumes, fldPath.Child("template", "spec", "volumes"))...)
 | 
						|
	// RestartPolicy has already been first-order validated as per ValidatePodTemplateSpec().
 | 
						|
	if spec.Template.Spec.RestartPolicy != api.RestartPolicyAlways {
 | 
						|
		allErrs = append(allErrs, field.NotSupported(fldPath.Child("template", "spec", "restartPolicy"), spec.Template.Spec.RestartPolicy, []string{string(api.RestartPolicyAlways)}))
 | 
						|
	}
 | 
						|
	if spec.Template.Spec.ActiveDeadlineSeconds != nil {
 | 
						|
		allErrs = append(allErrs, field.Forbidden(fldPath.Child("template", "spec", "activeDeadlineSeconds"), "activeDeadlineSeconds in DaemonSet is not Supported"))
 | 
						|
	}
 | 
						|
	allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(spec.MinReadySeconds), fldPath.Child("minReadySeconds"))...)
 | 
						|
	allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(spec.TemplateGeneration), fldPath.Child("templateGeneration"))...)
 | 
						|
 | 
						|
	allErrs = append(allErrs, ValidateDaemonSetUpdateStrategy(&spec.UpdateStrategy, fldPath.Child("updateStrategy"))...)
 | 
						|
	if spec.RevisionHistoryLimit != nil {
 | 
						|
		// zero is a valid RevisionHistoryLimit
 | 
						|
		allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(*spec.RevisionHistoryLimit), fldPath.Child("revisionHistoryLimit"))...)
 | 
						|
	}
 | 
						|
	return allErrs
 | 
						|
}
 | 
						|
 | 
						|
// ValidateRollingUpdateDaemonSet validates a given RollingUpdateDaemonSet.
 | 
						|
func ValidateRollingUpdateDaemonSet(rollingUpdate *apps.RollingUpdateDaemonSet, fldPath *field.Path) field.ErrorList {
 | 
						|
	var allErrs field.ErrorList
 | 
						|
 | 
						|
	// Validate both fields are positive ints or have a percentage value
 | 
						|
	allErrs = append(allErrs, ValidatePositiveIntOrPercent(rollingUpdate.MaxUnavailable, fldPath.Child("maxUnavailable"))...)
 | 
						|
	allErrs = append(allErrs, ValidatePositiveIntOrPercent(rollingUpdate.MaxSurge, fldPath.Child("maxSurge"))...)
 | 
						|
 | 
						|
	// Validate that MaxUnavailable and MaxSurge are not more than 100%.
 | 
						|
	allErrs = append(allErrs, IsNotMoreThan100Percent(rollingUpdate.MaxUnavailable, fldPath.Child("maxUnavailable"))...)
 | 
						|
	allErrs = append(allErrs, IsNotMoreThan100Percent(rollingUpdate.MaxSurge, fldPath.Child("maxSurge"))...)
 | 
						|
 | 
						|
	// Validate exactly one of MaxSurge or MaxUnavailable is non-zero
 | 
						|
	hasUnavailable := getIntOrPercentValue(rollingUpdate.MaxUnavailable) != 0
 | 
						|
	hasSurge := getIntOrPercentValue(rollingUpdate.MaxSurge) != 0
 | 
						|
	switch {
 | 
						|
	case hasUnavailable && hasSurge:
 | 
						|
		allErrs = append(allErrs, field.Invalid(fldPath.Child("maxSurge"), rollingUpdate.MaxSurge, "may not be set when maxUnavailable is non-zero"))
 | 
						|
	case !hasUnavailable && !hasSurge:
 | 
						|
		allErrs = append(allErrs, field.Required(fldPath.Child("maxUnavailable"), "cannot be 0 when maxSurge is 0"))
 | 
						|
	}
 | 
						|
 | 
						|
	return allErrs
 | 
						|
}
 | 
						|
 | 
						|
// validateRollingUpdateStatefulSet validates a given RollingUpdateStatefulSet.
 | 
						|
func validateRollingUpdateStatefulSet(rollingUpdate *apps.RollingUpdateStatefulSetStrategy, fldPath *field.Path) field.ErrorList {
 | 
						|
	var allErrs field.ErrorList
 | 
						|
	fldPathMaxUn := fldPath.Child("maxUnavailable")
 | 
						|
	allErrs = append(allErrs,
 | 
						|
		apivalidation.ValidateNonnegativeField(
 | 
						|
			int64(rollingUpdate.Partition),
 | 
						|
			fldPath.Child("partition"))...)
 | 
						|
	if rollingUpdate.MaxUnavailable != nil {
 | 
						|
		allErrs = append(allErrs, ValidatePositiveIntOrPercent(*rollingUpdate.MaxUnavailable, fldPathMaxUn)...)
 | 
						|
		if getIntOrPercentValue(*rollingUpdate.MaxUnavailable) == 0 {
 | 
						|
			// MaxUnavailable cannot be 0.
 | 
						|
			allErrs = append(allErrs, field.Invalid(fldPathMaxUn, *rollingUpdate.MaxUnavailable, "cannot be 0"))
 | 
						|
		}
 | 
						|
		// Validate that MaxUnavailable is not more than 100%.
 | 
						|
		allErrs = append(allErrs, IsNotMoreThan100Percent(*rollingUpdate.MaxUnavailable, fldPathMaxUn)...)
 | 
						|
	}
 | 
						|
	return allErrs
 | 
						|
}
 | 
						|
 | 
						|
// ValidateDaemonSetUpdateStrategy validates a given DaemonSetUpdateStrategy.
 | 
						|
func ValidateDaemonSetUpdateStrategy(strategy *apps.DaemonSetUpdateStrategy, fldPath *field.Path) field.ErrorList {
 | 
						|
	allErrs := field.ErrorList{}
 | 
						|
	switch strategy.Type {
 | 
						|
	case apps.OnDeleteDaemonSetStrategyType:
 | 
						|
	case apps.RollingUpdateDaemonSetStrategyType:
 | 
						|
		// Make sure RollingUpdate field isn't nil.
 | 
						|
		if strategy.RollingUpdate == nil {
 | 
						|
			allErrs = append(allErrs, field.Required(fldPath.Child("rollingUpdate"), ""))
 | 
						|
			return allErrs
 | 
						|
		}
 | 
						|
		allErrs = append(allErrs, ValidateRollingUpdateDaemonSet(strategy.RollingUpdate, fldPath.Child("rollingUpdate"))...)
 | 
						|
	default:
 | 
						|
		validValues := []string{string(apps.RollingUpdateDaemonSetStrategyType), string(apps.OnDeleteDaemonSetStrategyType)}
 | 
						|
		allErrs = append(allErrs, field.NotSupported(fldPath, strategy, validValues))
 | 
						|
	}
 | 
						|
	return allErrs
 | 
						|
}
 | 
						|
 | 
						|
// ValidateDaemonSetName can be used to check whether the given daemon set name is valid.
 | 
						|
// Prefix indicates this name will be used as part of generation, in which case
 | 
						|
// trailing dashes are allowed.
 | 
						|
var ValidateDaemonSetName = apimachineryvalidation.NameIsDNSSubdomain
 | 
						|
 | 
						|
// ValidateDeploymentName validates that the given name can be used as a deployment name.
 | 
						|
var ValidateDeploymentName = apimachineryvalidation.NameIsDNSSubdomain
 | 
						|
 | 
						|
// ValidatePositiveIntOrPercent tests if a given value is a valid int or
 | 
						|
// percentage.
 | 
						|
func ValidatePositiveIntOrPercent(intOrPercent intstr.IntOrString, fldPath *field.Path) field.ErrorList {
 | 
						|
	allErrs := field.ErrorList{}
 | 
						|
	switch intOrPercent.Type {
 | 
						|
	case intstr.String:
 | 
						|
		for _, msg := range validation.IsValidPercent(intOrPercent.StrVal) {
 | 
						|
			allErrs = append(allErrs, field.Invalid(fldPath, intOrPercent, msg))
 | 
						|
		}
 | 
						|
	case intstr.Int:
 | 
						|
		allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(intOrPercent.IntValue()), fldPath)...)
 | 
						|
	default:
 | 
						|
		allErrs = append(allErrs, field.Invalid(fldPath, intOrPercent, "must be an integer or percentage (e.g '5%%')"))
 | 
						|
	}
 | 
						|
	return allErrs
 | 
						|
}
 | 
						|
 | 
						|
func getPercentValue(intOrStringValue intstr.IntOrString) (int, bool) {
 | 
						|
	if intOrStringValue.Type != intstr.String {
 | 
						|
		return 0, false
 | 
						|
	}
 | 
						|
	if len(validation.IsValidPercent(intOrStringValue.StrVal)) != 0 {
 | 
						|
		return 0, false
 | 
						|
	}
 | 
						|
	value, _ := strconv.Atoi(intOrStringValue.StrVal[:len(intOrStringValue.StrVal)-1])
 | 
						|
	return value, true
 | 
						|
}
 | 
						|
 | 
						|
func getIntOrPercentValue(intOrStringValue intstr.IntOrString) int {
 | 
						|
	value, isPercent := getPercentValue(intOrStringValue)
 | 
						|
	if isPercent {
 | 
						|
		return value
 | 
						|
	}
 | 
						|
	return intOrStringValue.IntValue()
 | 
						|
}
 | 
						|
 | 
						|
// IsNotMoreThan100Percent tests is a value can be represented as a percentage
 | 
						|
// and if this value is not more than 100%.
 | 
						|
func IsNotMoreThan100Percent(intOrStringValue intstr.IntOrString, fldPath *field.Path) field.ErrorList {
 | 
						|
	allErrs := field.ErrorList{}
 | 
						|
	value, isPercent := getPercentValue(intOrStringValue)
 | 
						|
	if !isPercent || value <= 100 {
 | 
						|
		return nil
 | 
						|
	}
 | 
						|
	allErrs = append(allErrs, field.Invalid(fldPath, intOrStringValue, "must not be greater than 100%"))
 | 
						|
	return allErrs
 | 
						|
}
 | 
						|
 | 
						|
// ValidateRollingUpdateDeployment validates a given RollingUpdateDeployment.
 | 
						|
func ValidateRollingUpdateDeployment(rollingUpdate *apps.RollingUpdateDeployment, fldPath *field.Path) field.ErrorList {
 | 
						|
	allErrs := field.ErrorList{}
 | 
						|
	allErrs = append(allErrs, ValidatePositiveIntOrPercent(rollingUpdate.MaxUnavailable, fldPath.Child("maxUnavailable"))...)
 | 
						|
	allErrs = append(allErrs, ValidatePositiveIntOrPercent(rollingUpdate.MaxSurge, fldPath.Child("maxSurge"))...)
 | 
						|
	if getIntOrPercentValue(rollingUpdate.MaxUnavailable) == 0 && getIntOrPercentValue(rollingUpdate.MaxSurge) == 0 {
 | 
						|
		// Both MaxSurge and MaxUnavailable cannot be zero.
 | 
						|
		allErrs = append(allErrs, field.Invalid(fldPath.Child("maxUnavailable"), rollingUpdate.MaxUnavailable, "may not be 0 when `maxSurge` is 0"))
 | 
						|
	}
 | 
						|
	// Validate that MaxUnavailable is not more than 100%.
 | 
						|
	allErrs = append(allErrs, IsNotMoreThan100Percent(rollingUpdate.MaxUnavailable, fldPath.Child("maxUnavailable"))...)
 | 
						|
	return allErrs
 | 
						|
}
 | 
						|
 | 
						|
// ValidateDeploymentStrategy validates given DeploymentStrategy.
 | 
						|
func ValidateDeploymentStrategy(strategy *apps.DeploymentStrategy, fldPath *field.Path) field.ErrorList {
 | 
						|
	allErrs := field.ErrorList{}
 | 
						|
	switch strategy.Type {
 | 
						|
	case apps.RecreateDeploymentStrategyType:
 | 
						|
		if strategy.RollingUpdate != nil {
 | 
						|
			allErrs = append(allErrs, field.Forbidden(fldPath.Child("rollingUpdate"), "may not be specified when strategy `type` is '"+string(apps.RecreateDeploymentStrategyType+"'")))
 | 
						|
		}
 | 
						|
	case apps.RollingUpdateDeploymentStrategyType:
 | 
						|
		// This should never happen since it's set and checked in defaults.go
 | 
						|
		if strategy.RollingUpdate == nil {
 | 
						|
			allErrs = append(allErrs, field.Required(fldPath.Child("rollingUpdate"), "this should be defaulted and never be nil"))
 | 
						|
		} else {
 | 
						|
			allErrs = append(allErrs, ValidateRollingUpdateDeployment(strategy.RollingUpdate, fldPath.Child("rollingUpdate"))...)
 | 
						|
		}
 | 
						|
	default:
 | 
						|
		validValues := []string{string(apps.RecreateDeploymentStrategyType), string(apps.RollingUpdateDeploymentStrategyType)}
 | 
						|
		allErrs = append(allErrs, field.NotSupported(fldPath, strategy, validValues))
 | 
						|
	}
 | 
						|
	return allErrs
 | 
						|
}
 | 
						|
 | 
						|
// ValidateRollback validates given RollbackConfig.
 | 
						|
func ValidateRollback(rollback *apps.RollbackConfig, fldPath *field.Path) field.ErrorList {
 | 
						|
	allErrs := field.ErrorList{}
 | 
						|
	v := rollback.Revision
 | 
						|
	allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(v), fldPath.Child("version"))...)
 | 
						|
	return allErrs
 | 
						|
}
 | 
						|
 | 
						|
// ValidateDeploymentSpec validates given deployment spec.
 | 
						|
func ValidateDeploymentSpec(spec *apps.DeploymentSpec, fldPath *field.Path, opts apivalidation.PodValidationOptions) field.ErrorList {
 | 
						|
	allErrs := field.ErrorList{}
 | 
						|
	allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(spec.Replicas), fldPath.Child("replicas"))...)
 | 
						|
 | 
						|
	if spec.Selector == nil {
 | 
						|
		allErrs = append(allErrs, field.Required(fldPath.Child("selector"), ""))
 | 
						|
	} else {
 | 
						|
		// validate selector strictly, spec.selector was always required to pass LabelSelectorAsSelector below
 | 
						|
		allErrs = append(allErrs, unversionedvalidation.ValidateLabelSelector(spec.Selector, unversionedvalidation.LabelSelectorValidationOptions{AllowInvalidLabelValueInSelector: false}, fldPath.Child("selector"))...)
 | 
						|
		if len(spec.Selector.MatchLabels)+len(spec.Selector.MatchExpressions) == 0 {
 | 
						|
			allErrs = append(allErrs, field.Invalid(fldPath.Child("selector"), spec.Selector, "empty selector is invalid for deployment"))
 | 
						|
		}
 | 
						|
	}
 | 
						|
 | 
						|
	selector, err := metav1.LabelSelectorAsSelector(spec.Selector)
 | 
						|
	if err != nil {
 | 
						|
		allErrs = append(allErrs, field.Invalid(fldPath.Child("selector"), spec.Selector, "invalid label selector"))
 | 
						|
	} else {
 | 
						|
		allErrs = append(allErrs, ValidatePodTemplateSpecForReplicaSet(&spec.Template, selector, spec.Replicas, fldPath.Child("template"), opts)...)
 | 
						|
	}
 | 
						|
 | 
						|
	allErrs = append(allErrs, ValidateDeploymentStrategy(&spec.Strategy, fldPath.Child("strategy"))...)
 | 
						|
	allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(spec.MinReadySeconds), fldPath.Child("minReadySeconds"))...)
 | 
						|
	if spec.RevisionHistoryLimit != nil {
 | 
						|
		// zero is a valid RevisionHistoryLimit
 | 
						|
		allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(*spec.RevisionHistoryLimit), fldPath.Child("revisionHistoryLimit"))...)
 | 
						|
	}
 | 
						|
	if spec.RollbackTo != nil {
 | 
						|
		allErrs = append(allErrs, ValidateRollback(spec.RollbackTo, fldPath.Child("rollback"))...)
 | 
						|
	}
 | 
						|
	if spec.ProgressDeadlineSeconds != nil {
 | 
						|
		allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(*spec.ProgressDeadlineSeconds), fldPath.Child("progressDeadlineSeconds"))...)
 | 
						|
		if *spec.ProgressDeadlineSeconds <= spec.MinReadySeconds {
 | 
						|
			allErrs = append(allErrs, field.Invalid(fldPath.Child("progressDeadlineSeconds"), spec.ProgressDeadlineSeconds, "must be greater than minReadySeconds"))
 | 
						|
		}
 | 
						|
	}
 | 
						|
	return allErrs
 | 
						|
}
 | 
						|
 | 
						|
// ValidateDeploymentStatus validates given deployment status.
 | 
						|
func ValidateDeploymentStatus(status *apps.DeploymentStatus, fldPath *field.Path) field.ErrorList {
 | 
						|
	allErrs := field.ErrorList{}
 | 
						|
	allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(status.ObservedGeneration, fldPath.Child("observedGeneration"))...)
 | 
						|
	allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(status.Replicas), fldPath.Child("replicas"))...)
 | 
						|
	allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(status.UpdatedReplicas), fldPath.Child("updatedReplicas"))...)
 | 
						|
	allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(status.ReadyReplicas), fldPath.Child("readyReplicas"))...)
 | 
						|
	allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(status.AvailableReplicas), fldPath.Child("availableReplicas"))...)
 | 
						|
	allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(status.UnavailableReplicas), fldPath.Child("unavailableReplicas"))...)
 | 
						|
	if status.CollisionCount != nil {
 | 
						|
		allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(*status.CollisionCount), fldPath.Child("collisionCount"))...)
 | 
						|
	}
 | 
						|
	msg := "cannot be greater than status.replicas"
 | 
						|
	if status.UpdatedReplicas > status.Replicas {
 | 
						|
		allErrs = append(allErrs, field.Invalid(fldPath.Child("updatedReplicas"), status.UpdatedReplicas, msg))
 | 
						|
	}
 | 
						|
	if status.ReadyReplicas > status.Replicas {
 | 
						|
		allErrs = append(allErrs, field.Invalid(fldPath.Child("readyReplicas"), status.ReadyReplicas, msg))
 | 
						|
	}
 | 
						|
	if status.AvailableReplicas > status.Replicas {
 | 
						|
		allErrs = append(allErrs, field.Invalid(fldPath.Child("availableReplicas"), status.AvailableReplicas, msg))
 | 
						|
	}
 | 
						|
	if status.AvailableReplicas > status.ReadyReplicas {
 | 
						|
		allErrs = append(allErrs, field.Invalid(fldPath.Child("availableReplicas"), status.AvailableReplicas, "cannot be greater than readyReplicas"))
 | 
						|
	}
 | 
						|
	return allErrs
 | 
						|
}
 | 
						|
 | 
						|
// ValidateDeploymentUpdate tests if an update to a Deployment is valid.
 | 
						|
func ValidateDeploymentUpdate(update, old *apps.Deployment, opts apivalidation.PodValidationOptions) field.ErrorList {
 | 
						|
	allErrs := apivalidation.ValidateObjectMetaUpdate(&update.ObjectMeta, &old.ObjectMeta, field.NewPath("metadata"))
 | 
						|
	allErrs = append(allErrs, ValidateDeploymentSpec(&update.Spec, field.NewPath("spec"), opts)...)
 | 
						|
	return allErrs
 | 
						|
}
 | 
						|
 | 
						|
// ValidateDeploymentStatusUpdate tests if a an update to a Deployment status
 | 
						|
// is valid.
 | 
						|
func ValidateDeploymentStatusUpdate(update, old *apps.Deployment) field.ErrorList {
 | 
						|
	allErrs := apivalidation.ValidateObjectMetaUpdate(&update.ObjectMeta, &old.ObjectMeta, field.NewPath("metadata"))
 | 
						|
	fldPath := field.NewPath("status")
 | 
						|
	allErrs = append(allErrs, ValidateDeploymentStatus(&update.Status, fldPath)...)
 | 
						|
	if apivalidation.IsDecremented(update.Status.CollisionCount, old.Status.CollisionCount) {
 | 
						|
		value := int32(0)
 | 
						|
		if update.Status.CollisionCount != nil {
 | 
						|
			value = *update.Status.CollisionCount
 | 
						|
		}
 | 
						|
		allErrs = append(allErrs, field.Invalid(fldPath.Child("collisionCount"), value, "cannot be decremented"))
 | 
						|
	}
 | 
						|
	return allErrs
 | 
						|
}
 | 
						|
 | 
						|
// ValidateDeployment validates a given Deployment.
 | 
						|
func ValidateDeployment(obj *apps.Deployment, opts apivalidation.PodValidationOptions) field.ErrorList {
 | 
						|
	allErrs := apivalidation.ValidateObjectMeta(&obj.ObjectMeta, true, ValidateDeploymentName, field.NewPath("metadata"))
 | 
						|
	allErrs = append(allErrs, ValidateDeploymentSpec(&obj.Spec, field.NewPath("spec"), opts)...)
 | 
						|
	return allErrs
 | 
						|
}
 | 
						|
 | 
						|
// ValidateDeploymentRollback validates a given DeploymentRollback.
 | 
						|
func ValidateDeploymentRollback(obj *apps.DeploymentRollback) field.ErrorList {
 | 
						|
	allErrs := apivalidation.ValidateAnnotations(obj.UpdatedAnnotations, field.NewPath("updatedAnnotations"))
 | 
						|
	if len(obj.Name) == 0 {
 | 
						|
		allErrs = append(allErrs, field.Required(field.NewPath("name"), "name is required"))
 | 
						|
	}
 | 
						|
	allErrs = append(allErrs, ValidateRollback(&obj.RollbackTo, field.NewPath("rollback"))...)
 | 
						|
	return allErrs
 | 
						|
}
 | 
						|
 | 
						|
// ValidateReplicaSetName can be used to check whether the given ReplicaSet
 | 
						|
// name is valid.
 | 
						|
// Prefix indicates this name will be used as part of generation, in which case
 | 
						|
// trailing dashes are allowed.
 | 
						|
var ValidateReplicaSetName = apimachineryvalidation.NameIsDNSSubdomain
 | 
						|
 | 
						|
// ValidateReplicaSet tests if required fields in the ReplicaSet are set.
 | 
						|
func ValidateReplicaSet(rs *apps.ReplicaSet, opts apivalidation.PodValidationOptions) field.ErrorList {
 | 
						|
	allErrs := apivalidation.ValidateObjectMeta(&rs.ObjectMeta, true, ValidateReplicaSetName, field.NewPath("metadata"))
 | 
						|
	allErrs = append(allErrs, ValidateReplicaSetSpec(&rs.Spec, field.NewPath("spec"), opts)...)
 | 
						|
	return allErrs
 | 
						|
}
 | 
						|
 | 
						|
// ValidateReplicaSetUpdate tests if required fields in the ReplicaSet are set.
 | 
						|
func ValidateReplicaSetUpdate(rs, oldRs *apps.ReplicaSet, opts apivalidation.PodValidationOptions) field.ErrorList {
 | 
						|
	allErrs := field.ErrorList{}
 | 
						|
	allErrs = append(allErrs, apivalidation.ValidateObjectMetaUpdate(&rs.ObjectMeta, &oldRs.ObjectMeta, field.NewPath("metadata"))...)
 | 
						|
	allErrs = append(allErrs, ValidateReplicaSetSpec(&rs.Spec, field.NewPath("spec"), opts)...)
 | 
						|
	return allErrs
 | 
						|
}
 | 
						|
 | 
						|
// ValidateReplicaSetStatusUpdate tests if required fields in the ReplicaSet are set.
 | 
						|
func ValidateReplicaSetStatusUpdate(rs, oldRs *apps.ReplicaSet) field.ErrorList {
 | 
						|
	allErrs := field.ErrorList{}
 | 
						|
	allErrs = append(allErrs, apivalidation.ValidateObjectMetaUpdate(&rs.ObjectMeta, &oldRs.ObjectMeta, field.NewPath("metadata"))...)
 | 
						|
	allErrs = append(allErrs, ValidateReplicaSetStatus(rs.Status, field.NewPath("status"))...)
 | 
						|
	return allErrs
 | 
						|
}
 | 
						|
 | 
						|
// ValidateReplicaSetStatus validates a given ReplicaSetStatus.
 | 
						|
func ValidateReplicaSetStatus(status apps.ReplicaSetStatus, fldPath *field.Path) field.ErrorList {
 | 
						|
	allErrs := field.ErrorList{}
 | 
						|
	allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(status.Replicas), fldPath.Child("replicas"))...)
 | 
						|
	allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(status.FullyLabeledReplicas), fldPath.Child("fullyLabeledReplicas"))...)
 | 
						|
	allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(status.ReadyReplicas), fldPath.Child("readyReplicas"))...)
 | 
						|
	allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(status.AvailableReplicas), fldPath.Child("availableReplicas"))...)
 | 
						|
	allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(status.ObservedGeneration), fldPath.Child("observedGeneration"))...)
 | 
						|
	msg := "cannot be greater than status.replicas"
 | 
						|
	if status.FullyLabeledReplicas > status.Replicas {
 | 
						|
		allErrs = append(allErrs, field.Invalid(fldPath.Child("fullyLabeledReplicas"), status.FullyLabeledReplicas, msg))
 | 
						|
	}
 | 
						|
	if status.ReadyReplicas > status.Replicas {
 | 
						|
		allErrs = append(allErrs, field.Invalid(fldPath.Child("readyReplicas"), status.ReadyReplicas, msg))
 | 
						|
	}
 | 
						|
	if status.AvailableReplicas > status.Replicas {
 | 
						|
		allErrs = append(allErrs, field.Invalid(fldPath.Child("availableReplicas"), status.AvailableReplicas, msg))
 | 
						|
	}
 | 
						|
	if status.AvailableReplicas > status.ReadyReplicas {
 | 
						|
		allErrs = append(allErrs, field.Invalid(fldPath.Child("availableReplicas"), status.AvailableReplicas, "cannot be greater than readyReplicas"))
 | 
						|
	}
 | 
						|
	return allErrs
 | 
						|
}
 | 
						|
 | 
						|
// ValidateReplicaSetSpec tests if required fields in the ReplicaSet spec are set.
 | 
						|
func ValidateReplicaSetSpec(spec *apps.ReplicaSetSpec, fldPath *field.Path, opts apivalidation.PodValidationOptions) field.ErrorList {
 | 
						|
	allErrs := field.ErrorList{}
 | 
						|
 | 
						|
	allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(spec.Replicas), fldPath.Child("replicas"))...)
 | 
						|
	allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(spec.MinReadySeconds), fldPath.Child("minReadySeconds"))...)
 | 
						|
 | 
						|
	if spec.Selector == nil {
 | 
						|
		allErrs = append(allErrs, field.Required(fldPath.Child("selector"), ""))
 | 
						|
	} else {
 | 
						|
		// validate selector strictly, spec.selector was always required to pass LabelSelectorAsSelector below
 | 
						|
		allErrs = append(allErrs, unversionedvalidation.ValidateLabelSelector(spec.Selector, unversionedvalidation.LabelSelectorValidationOptions{AllowInvalidLabelValueInSelector: false}, fldPath.Child("selector"))...)
 | 
						|
		if len(spec.Selector.MatchLabels)+len(spec.Selector.MatchExpressions) == 0 {
 | 
						|
			allErrs = append(allErrs, field.Invalid(fldPath.Child("selector"), spec.Selector, "empty selector is invalid for deployment"))
 | 
						|
		}
 | 
						|
	}
 | 
						|
 | 
						|
	selector, err := metav1.LabelSelectorAsSelector(spec.Selector)
 | 
						|
	if err != nil {
 | 
						|
		allErrs = append(allErrs, field.Invalid(fldPath.Child("selector"), spec.Selector, "invalid label selector"))
 | 
						|
	} else {
 | 
						|
		allErrs = append(allErrs, ValidatePodTemplateSpecForReplicaSet(&spec.Template, selector, spec.Replicas, fldPath.Child("template"), opts)...)
 | 
						|
	}
 | 
						|
	return allErrs
 | 
						|
}
 | 
						|
 | 
						|
// ValidatePodTemplateSpecForReplicaSet validates the given template and ensures that it is in accordance with the desired selector and replicas.
 | 
						|
func ValidatePodTemplateSpecForReplicaSet(template *api.PodTemplateSpec, selector labels.Selector, replicas int32, fldPath *field.Path, opts apivalidation.PodValidationOptions) field.ErrorList {
 | 
						|
	allErrs := field.ErrorList{}
 | 
						|
	if template == nil {
 | 
						|
		allErrs = append(allErrs, field.Required(fldPath, ""))
 | 
						|
	} else {
 | 
						|
		if !selector.Empty() {
 | 
						|
			// Verify that the ReplicaSet selector matches the labels in template.
 | 
						|
			labels := labels.Set(template.Labels)
 | 
						|
			if !selector.Matches(labels) {
 | 
						|
				allErrs = append(allErrs, field.Invalid(fldPath.Child("metadata", "labels"), template.Labels, "`selector` does not match template `labels`"))
 | 
						|
			}
 | 
						|
		}
 | 
						|
		allErrs = append(allErrs, apivalidation.ValidatePodTemplateSpec(template, fldPath, opts)...)
 | 
						|
		if replicas > 1 {
 | 
						|
			allErrs = append(allErrs, apivalidation.ValidateReadOnlyPersistentDisks(template.Spec.Volumes, fldPath.Child("spec", "volumes"))...)
 | 
						|
		}
 | 
						|
		// RestartPolicy has already been first-order validated as per ValidatePodTemplateSpec().
 | 
						|
		if template.Spec.RestartPolicy != api.RestartPolicyAlways {
 | 
						|
			allErrs = append(allErrs, field.NotSupported(fldPath.Child("spec", "restartPolicy"), template.Spec.RestartPolicy, []string{string(api.RestartPolicyAlways)}))
 | 
						|
		}
 | 
						|
		if template.Spec.ActiveDeadlineSeconds != nil {
 | 
						|
			allErrs = append(allErrs, field.Forbidden(fldPath.Child("spec", "activeDeadlineSeconds"), "activeDeadlineSeconds in ReplicaSet is not Supported"))
 | 
						|
		}
 | 
						|
	}
 | 
						|
	return allErrs
 | 
						|
}
 |