mirror of
https://github.com/k3s-io/kubernetes.git
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226 lines
8.3 KiB
Go
226 lines
8.3 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 v1beta2
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import (
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"fmt"
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"strconv"
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appsv1beta2 "k8s.io/api/apps/v1beta2"
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corev1 "k8s.io/api/core/v1"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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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/runtime"
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"k8s.io/kubernetes/pkg/apis/apps"
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autoscaling "k8s.io/kubernetes/pkg/apis/autoscaling"
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"k8s.io/kubernetes/pkg/apis/core"
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)
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func addConversionFuncs(scheme *runtime.Scheme) error {
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// Add field label conversions for kinds having selectable nothing but ObjectMeta fields.
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if err := scheme.AddFieldLabelConversionFunc(SchemeGroupVersion.WithKind("StatefulSet"),
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func(label, value string) (string, string, error) {
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switch label {
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case "metadata.name", "metadata.namespace", "status.successful":
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return label, value, nil
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default:
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return "", "", fmt.Errorf("field label not supported for appsv1beta2.StatefulSet: %s", label)
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}
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}); err != nil {
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return err
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}
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return nil
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}
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func Convert_autoscaling_ScaleStatus_To_v1beta2_ScaleStatus(in *autoscaling.ScaleStatus, out *appsv1beta2.ScaleStatus, s conversion.Scope) error {
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out.Replicas = int32(in.Replicas)
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out.TargetSelector = in.Selector
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out.Selector = nil
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selector, err := metav1.ParseToLabelSelector(in.Selector)
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if err != nil {
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return fmt.Errorf("failed to parse selector: %v", err)
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}
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if len(selector.MatchExpressions) == 0 {
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out.Selector = selector.MatchLabels
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}
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return nil
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}
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func Convert_v1beta2_ScaleStatus_To_autoscaling_ScaleStatus(in *appsv1beta2.ScaleStatus, out *autoscaling.ScaleStatus, s conversion.Scope) error {
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out.Replicas = in.Replicas
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// Normally when 2 fields map to the same internal value we favor the old field, since
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// old clients can't be expected to know about new fields but clients that know about the
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// new field can be expected to know about the old field (though that's not quite true, due
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// to kubectl apply). However, these fields are readonly, so any non-nil value should work.
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if in.TargetSelector != "" {
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out.Selector = in.TargetSelector
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} else if in.Selector != nil {
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set := labels.Set{}
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for key, val := range in.Selector {
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set[key] = val
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}
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out.Selector = labels.SelectorFromSet(set).String()
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} else {
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out.Selector = ""
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}
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return nil
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}
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// Convert_apps_DeploymentSpec_To_v1beta2_DeploymentSpec is defined here, because public
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// conversion is not auto-generated due to existing warnings.
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func Convert_apps_DeploymentSpec_To_v1beta2_DeploymentSpec(in *apps.DeploymentSpec, out *appsv1beta2.DeploymentSpec, s conversion.Scope) error {
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if err := autoConvert_apps_DeploymentSpec_To_v1beta2_DeploymentSpec(in, out, s); err != nil {
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return err
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}
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return nil
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}
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func Convert_v1beta2_Deployment_To_apps_Deployment(in *appsv1beta2.Deployment, out *apps.Deployment, s conversion.Scope) error {
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if err := autoConvert_v1beta2_Deployment_To_apps_Deployment(in, out, s); err != nil {
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return err
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}
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// Copy annotation to deprecated rollbackTo field for roundtrip
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// TODO: remove this conversion after we delete extensions/v1beta1 and apps/v1beta1 Deployment
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if revision := in.Annotations[appsv1beta2.DeprecatedRollbackTo]; revision != "" {
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if revision64, err := strconv.ParseInt(revision, 10, 64); err != nil {
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return fmt.Errorf("failed to parse annotation[%s]=%s as int64: %v", appsv1beta2.DeprecatedRollbackTo, revision, err)
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} else {
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out.Spec.RollbackTo = new(apps.RollbackConfig)
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out.Spec.RollbackTo.Revision = revision64
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}
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out.Annotations = deepCopyStringMap(out.Annotations)
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delete(out.Annotations, appsv1beta2.DeprecatedRollbackTo)
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} else {
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out.Spec.RollbackTo = nil
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}
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return nil
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}
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func Convert_apps_Deployment_To_v1beta2_Deployment(in *apps.Deployment, out *appsv1beta2.Deployment, s conversion.Scope) error {
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if err := autoConvert_apps_Deployment_To_v1beta2_Deployment(in, out, s); err != nil {
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return err
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}
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out.Annotations = deepCopyStringMap(out.Annotations) // deep copy because we modify annotations below
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// Copy deprecated rollbackTo field to annotation for roundtrip
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// TODO: remove this conversion after we delete extensions/v1beta1 and apps/v1beta1 Deployment
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if in.Spec.RollbackTo != nil {
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if out.Annotations == nil {
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out.Annotations = make(map[string]string)
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}
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out.Annotations[appsv1beta2.DeprecatedRollbackTo] = strconv.FormatInt(in.Spec.RollbackTo.Revision, 10)
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} else {
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delete(out.Annotations, appsv1beta2.DeprecatedRollbackTo)
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}
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return nil
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}
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func Convert_apps_DaemonSet_To_v1beta2_DaemonSet(in *apps.DaemonSet, out *appsv1beta2.DaemonSet, s conversion.Scope) error {
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if err := autoConvert_apps_DaemonSet_To_v1beta2_DaemonSet(in, out, s); err != nil {
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return err
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}
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out.Annotations = deepCopyStringMap(out.Annotations)
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out.Annotations[appsv1beta2.DeprecatedTemplateGeneration] = strconv.FormatInt(in.Spec.TemplateGeneration, 10)
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return nil
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}
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// Convert_apps_DaemonSetSpec_To_v1beta2_DaemonSetSpec is defined here, because public
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// conversion is not auto-generated due to existing warnings.
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func Convert_apps_DaemonSetSpec_To_v1beta2_DaemonSetSpec(in *apps.DaemonSetSpec, out *appsv1beta2.DaemonSetSpec, s conversion.Scope) error {
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if err := autoConvert_apps_DaemonSetSpec_To_v1beta2_DaemonSetSpec(in, out, s); err != nil {
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return err
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}
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return nil
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}
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func Convert_v1beta2_DaemonSet_To_apps_DaemonSet(in *appsv1beta2.DaemonSet, out *apps.DaemonSet, s conversion.Scope) error {
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if err := autoConvert_v1beta2_DaemonSet_To_apps_DaemonSet(in, out, s); err != nil {
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return err
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}
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if value, ok := in.Annotations[appsv1beta2.DeprecatedTemplateGeneration]; ok {
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if value64, err := strconv.ParseInt(value, 10, 64); err != nil {
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return err
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} else {
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out.Spec.TemplateGeneration = value64
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out.Annotations = deepCopyStringMap(out.Annotations)
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delete(out.Annotations, appsv1beta2.DeprecatedTemplateGeneration)
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}
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}
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return nil
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}
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func deepCopyStringMap(m map[string]string) map[string]string {
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ret := make(map[string]string, len(m))
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for k, v := range m {
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ret[k] = v
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}
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return ret
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}
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// Convert_v1beta2_StatefulSetSpec_To_apps_StatefulSetSpec augments auto-conversion to preserve < 1.17 behavior
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// setting apiVersion/kind in nested persistent volume claim objects.
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func Convert_v1beta2_StatefulSetSpec_To_apps_StatefulSetSpec(in *appsv1beta2.StatefulSetSpec, out *apps.StatefulSetSpec, s conversion.Scope) error {
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if err := autoConvert_v1beta2_StatefulSetSpec_To_apps_StatefulSetSpec(in, out, s); err != nil {
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return err
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}
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// set APIVersion/Kind to behave the same as reflective conversion < 1.17.
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// see http://issue.k8s.io/87583
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if out.VolumeClaimTemplates != nil {
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// copy so we don't modify the input
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templatesCopy := make([]core.PersistentVolumeClaim, len(out.VolumeClaimTemplates))
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copy(templatesCopy, out.VolumeClaimTemplates)
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out.VolumeClaimTemplates = templatesCopy
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for i := range out.VolumeClaimTemplates {
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out.VolumeClaimTemplates[i].APIVersion = ""
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out.VolumeClaimTemplates[i].Kind = ""
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}
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}
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return nil
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}
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// Convert_apps_StatefulSetSpec_To_v1beta2_StatefulSetSpec augments auto-conversion to preserve < 1.17 behavior
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// setting apiVersion/kind in nested persistent volume claim objects.
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func Convert_apps_StatefulSetSpec_To_v1beta2_StatefulSetSpec(in *apps.StatefulSetSpec, out *appsv1beta2.StatefulSetSpec, s conversion.Scope) error {
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if err := autoConvert_apps_StatefulSetSpec_To_v1beta2_StatefulSetSpec(in, out, s); err != nil {
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return err
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}
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// set APIVersion/Kind to behave the same as reflective conversion < 1.17.
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// see http://issue.k8s.io/87583
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if out.VolumeClaimTemplates != nil {
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// copy so we don't modify the input
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templatesCopy := make([]corev1.PersistentVolumeClaim, len(out.VolumeClaimTemplates))
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copy(templatesCopy, out.VolumeClaimTemplates)
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out.VolumeClaimTemplates = templatesCopy
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for i := range out.VolumeClaimTemplates {
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out.VolumeClaimTemplates[i].APIVersion = "v1"
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out.VolumeClaimTemplates[i].Kind = "PersistentVolumeClaim"
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}
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}
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return nil
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}
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