74 lines
2.3 KiB
Go
74 lines
2.3 KiB
Go
/*
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Copyright 2021 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 util
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import (
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"encoding/json"
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"github.com/pkg/errors"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
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"sigs.k8s.io/controller-runtime/pkg/client"
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)
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const (
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// DeleteOptionAnnotation contains options for delete
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// while deleting resources for member clusters.
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DeleteOptionAnnotation = "kubefed.io/deleteoption"
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)
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// GetDeleteOptions return delete options from the annotation
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func GetDeleteOptions(obj *unstructured.Unstructured) ([]client.DeleteOption, error) {
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options := make([]client.DeleteOption, 0)
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annotations := obj.GetAnnotations()
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if annotations == nil {
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return options, nil
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}
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if optStr, ok := annotations[DeleteOptionAnnotation]; ok {
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opt := &metav1.DeleteOptions{}
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if err := json.Unmarshal([]byte(optStr), opt); err != nil {
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return nil, errors.Wrapf(err, "could not deserialize delete options from annotation value '%s'", optStr)
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}
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clientOpt := &client.DeleteOptions{}
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clientOpt.GracePeriodSeconds = opt.GracePeriodSeconds
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clientOpt.PropagationPolicy = opt.PropagationPolicy
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clientOpt.Preconditions = opt.Preconditions
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options = append(options, clientOpt)
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}
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return options, nil
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}
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// ApplyDeleteOptions set the DeleteOptions on the annotation
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func ApplyDeleteOptions(obj *unstructured.Unstructured, opts ...client.DeleteOption) error {
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opt := client.DeleteOptions{}
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opt.ApplyOptions(opts)
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deleteOpts := opt.AsDeleteOptions()
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optBytes, err := json.Marshal(deleteOpts)
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if err != nil {
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return errors.Wrapf(err, "could not serialize delete options from object '%v'", deleteOpts)
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}
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annotations := obj.GetAnnotations()
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if annotations == nil {
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annotations = make(map[string]string)
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}
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annotations[DeleteOptionAnnotation] = string(optBytes)
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obj.SetAnnotations(annotations)
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return nil
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}
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