| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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 servicecenter |
| |
| import ( |
| "errors" |
| |
| "github.com/apache/servicecomb-service-center/pkg/log" |
| pb "github.com/apache/servicecomb-service-center/syncer/proto" |
| ) |
| |
| // exclude instances from other servicecenter, exclude the expired instances in the maps |
| func (s *servicecenter) exclude(data *pb.SyncData, mapping pb.SyncMapping) (*pb.SyncData, pb.SyncMapping) { |
| services := make([]*pb.SyncService, 0, 10) |
| instances := make([]*pb.SyncInstance, 0, 10) |
| maps := make(pb.SyncMapping, 0, len(mapping)) |
| for _, inst := range data.Instances { |
| if index := mapping.CurrentIndex(inst.InstanceId); index != -1 { |
| // exclude the expired instances in the maps |
| maps = append(maps, mapping[index]) |
| continue |
| } |
| svc := searchService(inst, data.Services) |
| if svc == nil { |
| err := errors.New("service does not exist") |
| log.Errorf(err, "servicecenter.exclude, serviceID = %s, instanceId = %s", inst.ServiceId, inst.InstanceId) |
| continue |
| } |
| // exclude instances from other servicecenter |
| instances = append(instances, inst) |
| services = append(services, svc) |
| } |
| data.Services = services |
| data.Instances = instances |
| return data, maps |
| } |
| |
| // searchService search service by instance |
| func searchService(instance *pb.SyncInstance, services []*pb.SyncService) *pb.SyncService { |
| for _, svc := range services { |
| if instance.ServiceId == svc.ServiceId { |
| return svc |
| } |
| } |
| return nil |
| } |