mirror of
https://github.com/k3s-io/kubernetes.git
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allow to mutate pv nodeaffinity label key
This commit is contained in:
Hao Ruan
parent
8e642d3d0d
commit
c8d10dcaeb
@ -26,6 +26,7 @@ import (
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"reflect"
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"regexp"
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"strings"
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"sync"
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"unicode"
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"unicode/utf8"
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@ -36,6 +37,7 @@ import (
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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/conversion"
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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/sets"
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@ -43,6 +45,7 @@ import (
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"k8s.io/apimachinery/pkg/util/validation/field"
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utilfeature "k8s.io/apiserver/pkg/util/feature"
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schedulinghelper "k8s.io/component-helpers/scheduling/corev1"
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kubeletapis "k8s.io/kubelet/pkg/apis"
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apiservice "k8s.io/kubernetes/pkg/api/service"
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"k8s.io/kubernetes/pkg/apis/core"
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"k8s.io/kubernetes/pkg/apis/core/helper"
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@ -1990,7 +1993,7 @@ func ValidatePersistentVolumeUpdate(newPv, oldPv *core.PersistentVolume, opts Pe
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// Allow setting NodeAffinity if oldPv NodeAffinity was not set
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if oldPv.Spec.NodeAffinity != nil {
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allErrs = append(allErrs, ValidateImmutableField(newPv.Spec.NodeAffinity, oldPv.Spec.NodeAffinity, field.NewPath("nodeAffinity"))...)
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allErrs = append(allErrs, validatePvNodeAffinity(newPv.Spec.NodeAffinity, oldPv.Spec.NodeAffinity, field.NewPath("nodeAffinity"))...)
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}
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return allErrs
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@ -7165,3 +7168,44 @@ func ValidatePodAffinityTermSelector(podAffinityTerm core.PodAffinityTerm, allow
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allErrs = append(allErrs, unversionedvalidation.ValidateLabelSelector(podAffinityTerm.NamespaceSelector, labelSelectorValidationOptions, fldPath.Child("namespaceSelector"))...)
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return allErrs
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}
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var betaToGALabel = map[string]string{
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v1.LabelFailureDomainBetaZone: v1.LabelTopologyZone,
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v1.LabelFailureDomainBetaRegion: v1.LabelTopologyRegion,
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kubeletapis.LabelOS: v1.LabelOSStable,
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kubeletapis.LabelArch: v1.LabelArchStable,
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v1.LabelInstanceType: v1.LabelInstanceTypeStable,
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}
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var (
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maskNodeSelectorLabelChangeEqualities conversion.Equalities
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initMaskNodeSelectorLabelChangeEqualities sync.Once
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)
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func getMaskNodeSelectorLabelChangeEqualities() conversion.Equalities {
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initMaskNodeSelectorLabelChangeEqualities.Do(func() {
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var eqs = apiequality.Semantic.Copy()
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err := eqs.AddFunc(
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func(newReq, oldReq core.NodeSelectorRequirement) bool {
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// allow newReq to change to a GA key
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if oldReq.Key != newReq.Key && betaToGALabel[oldReq.Key] == newReq.Key {
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oldReq.Key = newReq.Key // +k8s:verify-mutation:reason=clone
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}
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return apiequality.Semantic.DeepEqual(newReq, oldReq)
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},
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)
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if err != nil {
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panic(fmt.Errorf("failed to instantiate semantic equalities: %w", err))
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}
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maskNodeSelectorLabelChangeEqualities = eqs
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})
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return maskNodeSelectorLabelChangeEqualities
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}
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func validatePvNodeAffinity(newPvNodeAffinity, oldPvNodeAffinity *core.VolumeNodeAffinity, fldPath *field.Path) field.ErrorList {
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var allErrs field.ErrorList
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if !getMaskNodeSelectorLabelChangeEqualities().DeepEqual(newPvNodeAffinity, oldPvNodeAffinity) {
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allErrs = append(allErrs, field.Invalid(fldPath, newPvNodeAffinity, fieldImmutableErrorMsg+", except for updating from beta label to GA"))
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}
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return allErrs
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}
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@ -41,6 +41,7 @@ import (
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utilfeature "k8s.io/apiserver/pkg/util/feature"
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"k8s.io/component-base/featuregate"
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featuregatetesting "k8s.io/component-base/featuregate/testing"
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kubeletapis "k8s.io/kubelet/pkg/apis"
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"k8s.io/kubernetes/pkg/apis/core"
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"k8s.io/kubernetes/pkg/capabilities"
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"k8s.io/kubernetes/pkg/features"
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@ -53,6 +54,11 @@ const (
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envVarNameErrMsg = "a valid environment variable name must consist of"
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)
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type topologyPair struct {
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key string
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value string
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}
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func line() string {
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_, _, line, ok := runtime.Caller(1)
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var s string
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@ -1088,6 +1094,29 @@ func simpleVolumeNodeAffinity(key, value string) *core.VolumeNodeAffinity {
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}
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}
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func multipleVolumeNodeAffinity(terms [][]topologyPair) *core.VolumeNodeAffinity {
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nodeSelectorTerms := []core.NodeSelectorTerm{}
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for _, term := range terms {
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matchExpressions := []core.NodeSelectorRequirement{}
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for _, topology := range term {
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matchExpressions = append(matchExpressions, core.NodeSelectorRequirement{
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Key: topology.key,
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Operator: core.NodeSelectorOpIn,
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Values: []string{topology.value},
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})
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}
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nodeSelectorTerms = append(nodeSelectorTerms, core.NodeSelectorTerm{
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MatchExpressions: matchExpressions,
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})
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}
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return &core.VolumeNodeAffinity{
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Required: &core.NodeSelector{
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NodeSelectorTerms: nodeSelectorTerms,
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},
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}
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}
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func TestValidateVolumeNodeAffinityUpdate(t *testing.T) {
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scenarios := map[string]struct {
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isExpectedFailure bool
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@ -1109,6 +1138,268 @@ func TestValidateVolumeNodeAffinityUpdate(t *testing.T) {
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oldPV: testVolumeWithNodeAffinity(simpleVolumeNodeAffinity("foo", "bar")),
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newPV: testVolumeWithNodeAffinity(simpleVolumeNodeAffinity("foo", "bar2")),
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},
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"affinity-non-beta-label-changed": {
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isExpectedFailure: true,
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oldPV: testVolumeWithNodeAffinity(simpleVolumeNodeAffinity("foo", "bar")),
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newPV: testVolumeWithNodeAffinity(simpleVolumeNodeAffinity("foo2", "bar")),
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},
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"affinity-zone-beta-unchanged": {
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isExpectedFailure: false,
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oldPV: testVolumeWithNodeAffinity(simpleVolumeNodeAffinity(v1.LabelFailureDomainBetaZone, "bar")),
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newPV: testVolumeWithNodeAffinity(simpleVolumeNodeAffinity(v1.LabelFailureDomainBetaZone, "bar")),
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},
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"affinity-zone-beta-label-to-GA": {
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isExpectedFailure: false,
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oldPV: testVolumeWithNodeAffinity(simpleVolumeNodeAffinity(v1.LabelFailureDomainBetaZone, "bar")),
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newPV: testVolumeWithNodeAffinity(simpleVolumeNodeAffinity(v1.LabelTopologyZone, "bar")),
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},
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"affinity-zone-beta-label-to-non-GA": {
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isExpectedFailure: true,
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oldPV: testVolumeWithNodeAffinity(simpleVolumeNodeAffinity(v1.LabelFailureDomainBetaZone, "bar")),
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newPV: testVolumeWithNodeAffinity(simpleVolumeNodeAffinity("foo", "bar")),
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},
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"affinity-zone-GA-label-changed": {
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isExpectedFailure: true,
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oldPV: testVolumeWithNodeAffinity(simpleVolumeNodeAffinity(v1.LabelTopologyZone, "bar")),
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newPV: testVolumeWithNodeAffinity(simpleVolumeNodeAffinity(v1.LabelFailureDomainBetaZone, "bar")),
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},
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"affinity-region-beta-unchanged": {
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isExpectedFailure: false,
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oldPV: testVolumeWithNodeAffinity(simpleVolumeNodeAffinity(v1.LabelFailureDomainBetaRegion, "bar")),
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newPV: testVolumeWithNodeAffinity(simpleVolumeNodeAffinity(v1.LabelFailureDomainBetaRegion, "bar")),
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},
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"affinity-region-beta-label-to-GA": {
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isExpectedFailure: false,
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oldPV: testVolumeWithNodeAffinity(simpleVolumeNodeAffinity(v1.LabelFailureDomainBetaRegion, "bar")),
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newPV: testVolumeWithNodeAffinity(simpleVolumeNodeAffinity(v1.LabelTopologyRegion, "bar")),
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},
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"affinity-region-beta-label-to-non-GA": {
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isExpectedFailure: true,
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oldPV: testVolumeWithNodeAffinity(simpleVolumeNodeAffinity(v1.LabelFailureDomainBetaRegion, "bar")),
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newPV: testVolumeWithNodeAffinity(simpleVolumeNodeAffinity("foo", "bar")),
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},
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"affinity-region-GA-label-changed": {
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isExpectedFailure: true,
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oldPV: testVolumeWithNodeAffinity(simpleVolumeNodeAffinity(v1.LabelTopologyRegion, "bar")),
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newPV: testVolumeWithNodeAffinity(simpleVolumeNodeAffinity(v1.LabelFailureDomainBetaRegion, "bar")),
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},
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"affinity-os-beta-label-unchanged": {
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isExpectedFailure: false,
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oldPV: testVolumeWithNodeAffinity(simpleVolumeNodeAffinity(kubeletapis.LabelOS, "bar")),
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newPV: testVolumeWithNodeAffinity(simpleVolumeNodeAffinity(kubeletapis.LabelOS, "bar")),
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},
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"affinity-os-beta-label-to-GA": {
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isExpectedFailure: false,
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oldPV: testVolumeWithNodeAffinity(simpleVolumeNodeAffinity(kubeletapis.LabelOS, "bar")),
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newPV: testVolumeWithNodeAffinity(simpleVolumeNodeAffinity(v1.LabelOSStable, "bar")),
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},
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"affinity-os-beta-label-to-non-GA": {
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isExpectedFailure: true,
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oldPV: testVolumeWithNodeAffinity(simpleVolumeNodeAffinity(kubeletapis.LabelOS, "bar")),
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newPV: testVolumeWithNodeAffinity(simpleVolumeNodeAffinity("foo", "bar")),
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},
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"affinity-os-GA-label-changed": {
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isExpectedFailure: true,
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oldPV: testVolumeWithNodeAffinity(simpleVolumeNodeAffinity(v1.LabelOSStable, "bar")),
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newPV: testVolumeWithNodeAffinity(simpleVolumeNodeAffinity(kubeletapis.LabelOS, "bar")),
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},
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"affinity-arch-beta-label-unchanged": {
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isExpectedFailure: false,
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oldPV: testVolumeWithNodeAffinity(simpleVolumeNodeAffinity(kubeletapis.LabelArch, "bar")),
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newPV: testVolumeWithNodeAffinity(simpleVolumeNodeAffinity(kubeletapis.LabelArch, "bar")),
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},
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"affinity-arch-beta-label-to-GA": {
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isExpectedFailure: false,
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oldPV: testVolumeWithNodeAffinity(simpleVolumeNodeAffinity(kubeletapis.LabelArch, "bar")),
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newPV: testVolumeWithNodeAffinity(simpleVolumeNodeAffinity(v1.LabelArchStable, "bar")),
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},
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"affinity-arch-beta-label-to-non-GA": {
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isExpectedFailure: true,
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oldPV: testVolumeWithNodeAffinity(simpleVolumeNodeAffinity(kubeletapis.LabelArch, "bar")),
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newPV: testVolumeWithNodeAffinity(simpleVolumeNodeAffinity("foo", "bar")),
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},
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"affinity-arch-GA-label-changed": {
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isExpectedFailure: true,
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oldPV: testVolumeWithNodeAffinity(simpleVolumeNodeAffinity(v1.LabelArchStable, "bar")),
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newPV: testVolumeWithNodeAffinity(simpleVolumeNodeAffinity(kubeletapis.LabelArch, "bar")),
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},
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"affinity-instanceType-beta-label-unchanged": {
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isExpectedFailure: false,
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oldPV: testVolumeWithNodeAffinity(simpleVolumeNodeAffinity(v1.LabelInstanceType, "bar")),
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newPV: testVolumeWithNodeAffinity(simpleVolumeNodeAffinity(v1.LabelInstanceType, "bar")),
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},
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"affinity-instanceType-beta-label-to-GA": {
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isExpectedFailure: false,
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oldPV: testVolumeWithNodeAffinity(simpleVolumeNodeAffinity(v1.LabelInstanceType, "bar")),
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newPV: testVolumeWithNodeAffinity(simpleVolumeNodeAffinity(v1.LabelInstanceTypeStable, "bar")),
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},
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"affinity-instanceType-beta-label-to-non-GA": {
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isExpectedFailure: true,
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oldPV: testVolumeWithNodeAffinity(simpleVolumeNodeAffinity(v1.LabelInstanceType, "bar")),
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newPV: testVolumeWithNodeAffinity(simpleVolumeNodeAffinity("foo", "bar")),
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},
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"affinity-instanceType-GA-label-changed": {
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isExpectedFailure: true,
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oldPV: testVolumeWithNodeAffinity(simpleVolumeNodeAffinity(v1.LabelInstanceTypeStable, "bar")),
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newPV: testVolumeWithNodeAffinity(simpleVolumeNodeAffinity(v1.LabelInstanceType, "bar")),
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},
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"affinity-same-terms-expressions-length-beta-to-GA-partially-changed": {
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isExpectedFailure: false,
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oldPV: testVolumeWithNodeAffinity(multipleVolumeNodeAffinity([][]topologyPair{
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{
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topologyPair{"foo", "bar"},
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},
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{
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topologyPair{v1.LabelFailureDomainBetaZone, "bar"},
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topologyPair{v1.LabelFailureDomainBetaRegion, "bar"},
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},
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{
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topologyPair{kubeletapis.LabelOS, "bar"},
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topologyPair{kubeletapis.LabelArch, "bar"},
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topologyPair{v1.LabelInstanceType, "bar"},
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},
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})),
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newPV: testVolumeWithNodeAffinity(multipleVolumeNodeAffinity([][]topologyPair{
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{
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topologyPair{"foo", "bar"},
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},
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{
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topologyPair{v1.LabelTopologyZone, "bar"},
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topologyPair{v1.LabelFailureDomainBetaRegion, "bar"},
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},
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{
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topologyPair{kubeletapis.LabelOS, "bar"},
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topologyPair{v1.LabelArchStable, "bar"},
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topologyPair{v1.LabelInstanceTypeStable, "bar"},
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},
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})),
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},
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"affinity-same-terms-expressions-length-beta-to-non-GA-partially-changed": {
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isExpectedFailure: true,
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oldPV: testVolumeWithNodeAffinity(multipleVolumeNodeAffinity([][]topologyPair{
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{
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topologyPair{"foo", "bar"},
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},
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{
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topologyPair{v1.LabelFailureDomainBetaZone, "bar"},
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topologyPair{v1.LabelFailureDomainBetaRegion, "bar"},
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},
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})),
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newPV: testVolumeWithNodeAffinity(multipleVolumeNodeAffinity([][]topologyPair{
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{
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topologyPair{"foo", "bar"},
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},
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{
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topologyPair{v1.LabelFailureDomainBetaZone, "bar"},
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topologyPair{"foo", "bar"},
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},
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})),
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},
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"affinity-same-terms-expressions-length-GA-partially-changed": {
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isExpectedFailure: true,
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oldPV: testVolumeWithNodeAffinity(multipleVolumeNodeAffinity([][]topologyPair{
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{
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topologyPair{"foo", "bar"},
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},
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{
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topologyPair{v1.LabelTopologyZone, "bar"},
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topologyPair{v1.LabelFailureDomainBetaZone, "bar"},
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topologyPair{v1.LabelOSStable, "bar"},
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},
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})),
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newPV: testVolumeWithNodeAffinity(multipleVolumeNodeAffinity([][]topologyPair{
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{
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topologyPair{"foo", "bar"},
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},
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{
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topologyPair{v1.LabelFailureDomainBetaZone, "bar"},
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topologyPair{v1.LabelFailureDomainBetaZone, "bar"},
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topologyPair{v1.LabelOSStable, "bar"},
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},
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})),
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},
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"affinity-same-terms-expressions-length-beta-fully-changed": {
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isExpectedFailure: false,
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oldPV: testVolumeWithNodeAffinity(multipleVolumeNodeAffinity([][]topologyPair{
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{
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topologyPair{"foo", "bar"},
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},
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{
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topologyPair{v1.LabelFailureDomainBetaZone, "bar"},
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topologyPair{v1.LabelFailureDomainBetaRegion, "bar"},
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},
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{
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topologyPair{kubeletapis.LabelOS, "bar"},
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topologyPair{kubeletapis.LabelArch, "bar"},
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topologyPair{v1.LabelInstanceType, "bar"},
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},
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})),
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newPV: testVolumeWithNodeAffinity(multipleVolumeNodeAffinity([][]topologyPair{
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{
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topologyPair{"foo", "bar"},
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},
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{
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topologyPair{v1.LabelTopologyZone, "bar"},
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topologyPair{v1.LabelTopologyRegion, "bar"},
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},
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{
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topologyPair{v1.LabelOSStable, "bar"},
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topologyPair{v1.LabelArchStable, "bar"},
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topologyPair{v1.LabelInstanceTypeStable, "bar"},
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},
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})),
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},
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"affinity-same-terms-expressions-length-beta-GA-mixed-fully-changed": {
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isExpectedFailure: true,
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oldPV: testVolumeWithNodeAffinity(multipleVolumeNodeAffinity([][]topologyPair{
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{
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topologyPair{"foo", "bar"},
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},
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{
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topologyPair{v1.LabelFailureDomainBetaZone, "bar"},
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topologyPair{v1.LabelTopologyZone, "bar"},
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},
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})),
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newPV: testVolumeWithNodeAffinity(multipleVolumeNodeAffinity([][]topologyPair{
|
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{
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topologyPair{"foo", "bar"},
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},
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{
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topologyPair{v1.LabelTopologyZone, "bar"},
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topologyPair{v1.LabelFailureDomainBetaZone, "bar2"},
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},
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})),
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},
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"affinity-same-terms-length-different-expressions-length-beta-changed": {
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isExpectedFailure: true,
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oldPV: testVolumeWithNodeAffinity(multipleVolumeNodeAffinity([][]topologyPair{
|
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{
|
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topologyPair{v1.LabelFailureDomainBetaZone, "bar"},
|
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},
|
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})),
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newPV: testVolumeWithNodeAffinity(multipleVolumeNodeAffinity([][]topologyPair{
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{
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topologyPair{v1.LabelTopologyZone, "bar"},
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topologyPair{v1.LabelFailureDomainBetaRegion, "bar"},
|
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},
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})),
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},
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"affinity-different-terms-expressions-length-beta-changed": {
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isExpectedFailure: true,
|
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oldPV: testVolumeWithNodeAffinity(multipleVolumeNodeAffinity([][]topologyPair{
|
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{
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topologyPair{v1.LabelFailureDomainBetaZone, "bar"},
|
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},
|
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})),
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newPV: testVolumeWithNodeAffinity(multipleVolumeNodeAffinity([][]topologyPair{
|
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{
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topologyPair{v1.LabelTopologyZone, "bar"},
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},
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{
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topologyPair{v1.LabelArchStable, "bar"},
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},
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})),
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},
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"nil-to-obj": {
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isExpectedFailure: false,
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oldPV: testVolumeWithNodeAffinity(nil),
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@ -1122,6 +1413,8 @@ func TestValidateVolumeNodeAffinityUpdate(t *testing.T) {
|
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}
|
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|
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for name, scenario := range scenarios {
|
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originalNewPV := scenario.newPV.DeepCopy()
|
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originalOldPV := scenario.oldPV.DeepCopy()
|
||||
opts := ValidationOptionsForPersistentVolume(scenario.newPV, scenario.oldPV)
|
||||
errs := ValidatePersistentVolumeUpdate(scenario.newPV, scenario.oldPV, opts)
|
||||
if len(errs) == 0 && scenario.isExpectedFailure {
|
||||
@ -1130,6 +1423,12 @@ func TestValidateVolumeNodeAffinityUpdate(t *testing.T) {
|
||||
if len(errs) > 0 && !scenario.isExpectedFailure {
|
||||
t.Errorf("Unexpected failure for scenario: %s - %+v", name, errs)
|
||||
}
|
||||
if diff := cmp.Diff(originalNewPV, scenario.newPV); len(diff) > 0 {
|
||||
t.Errorf("newPV was modified: %s", diff)
|
||||
}
|
||||
if diff := cmp.Diff(originalOldPV, scenario.oldPV); len(diff) > 0 {
|
||||
t.Errorf("oldPV was modified: %s", diff)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user