| // Copyright Istio Authors |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| package util |
| |
| import ( |
| "k8s.io/apimachinery/pkg/api/meta" |
| "k8s.io/apimachinery/pkg/runtime" |
| ) |
| |
| // SetLabel is a helper function which sets the specified label and value on the specified object. |
| func SetLabel(resource runtime.Object, label, value string) error { |
| resourceAccessor, err := meta.Accessor(resource) |
| if err != nil { |
| return err |
| } |
| labels := resourceAccessor.GetLabels() |
| if labels == nil { |
| labels = map[string]string{} |
| } |
| labels[label] = value |
| resourceAccessor.SetLabels(labels) |
| return nil |
| } |
