95 lines
2.9 KiB
Go
95 lines
2.9 KiB
Go
/*
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Copyright 2016 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package v1beta1
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import (
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"fmt"
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appsv1beta1 "k8s.io/api/apps/v1beta1"
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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/autoscaling"
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)
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func addConversionFuncs(scheme *runtime.Scheme) error {
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// Add non-generated conversion functions to handle the *int32 -> int32
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// conversion. A pointer is useful in the versioned type so we can default
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// it, but a plain int32 is more convenient in the internal type. These
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// functions are the same as the autogenerated ones in every other way.
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err := scheme.AddConversionFuncs(
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// extensions
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// TODO: below conversions should be dropped in favor of auto-generated
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// ones, see https://github.com/kubernetes/kubernetes/issues/39865
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Convert_v1beta1_ScaleStatus_To_autoscaling_ScaleStatus,
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Convert_autoscaling_ScaleStatus_To_v1beta1_ScaleStatus,
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)
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if err != nil {
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return err
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}
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// Add field label conversions for kinds having selectable nothing but ObjectMeta fields.
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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 appsv1beta1.StatefulSet: %s", label)
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}
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})
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if 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_v1beta1_ScaleStatus(in *autoscaling.ScaleStatus, out *appsv1beta1.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_v1beta1_ScaleStatus_To_autoscaling_ScaleStatus(in *appsv1beta1.ScaleStatus, out *autoscaling.ScaleStatus, s conversion.Scope) error {
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out.Replicas = in.Replicas
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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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