| // 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 xds |
| |
| import ( |
| networkingapi "istio.io/api/networking/v1alpha3" |
| ) |
| |
| import ( |
| "github.com/apache/dubbo-go-pixiu/pkg/config/labels" |
| ) |
| |
| // getSubSetLabels returns the labels associated with a subset of a given service. |
| func getSubSetLabels(dr *networkingapi.DestinationRule, subsetName string) labels.Instance { |
| // empty subset |
| if subsetName == "" { |
| return nil |
| } |
| |
| if dr == nil { |
| return nil |
| } |
| |
| for _, subset := range dr.Subsets { |
| if subset.Name == subsetName { |
| if len(subset.Labels) == 0 { |
| return nil |
| } |
| return subset.Labels |
| } |
| } |
| |
| return nil |
| } |