70 lines
2.0 KiB
Go
70 lines
2.0 KiB
Go
/*
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Copyright 2019 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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"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
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)
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const (
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ManagedByKubeFedLabelKey = "kubefed.io/managed"
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ManagedByKubeFedLabelValue = "true"
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UnmanagedByKubeFedLabelValue = "false"
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)
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// HasManagedLabel indicates whether the given object has the managed
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// label.
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func HasManagedLabel(obj *unstructured.Unstructured) bool {
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labels := obj.GetLabels()
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if labels == nil {
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return false
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}
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return labels[ManagedByKubeFedLabelKey] == ManagedByKubeFedLabelValue
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}
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// IsExplicitlyUnmanaged indicates whether the given object has the managed
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// label with value false.
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func IsExplicitlyUnmanaged(obj *unstructured.Unstructured) bool {
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labels := obj.GetLabels()
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if labels == nil {
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return false
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}
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return labels[ManagedByKubeFedLabelKey] == UnmanagedByKubeFedLabelValue
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}
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// AddManagedLabel ensures that the given object has the managed
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// label.
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func AddManagedLabel(obj *unstructured.Unstructured) {
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labels := obj.GetLabels()
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if labels == nil {
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labels = make(map[string]string)
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}
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labels[ManagedByKubeFedLabelKey] = ManagedByKubeFedLabelValue
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obj.SetLabels(labels)
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}
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// RemoveManagedLabel ensures that the given object does not have the
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// managed label.
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func RemoveManagedLabel(obj *unstructured.Unstructured) {
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labels := obj.GetLabels()
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if labels == nil || labels[ManagedByKubeFedLabelKey] != ManagedByKubeFedLabelValue {
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return
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}
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delete(labels, ManagedByKubeFedLabelKey)
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obj.SetLabels(labels)
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}
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