| /* |
| * 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 pilot |
| |
| import ( |
| "fmt" |
| "github.com/apache/servicecomb-mesher/proxy/config" |
| "github.com/apache/servicecomb-mesher/proxy/pkg/egress" |
| "sync" |
| ) |
| |
| func init() { egress.InstallEgressService("pilot", newPilotEgress) } |
| |
| func newPilotEgress() (egress.Egress, error) { return &PilotEgress{}, nil } |
| |
| //PilotEgress is pilot egress service |
| type PilotEgress struct{} |
| |
| //FetchEgressRule return all rules |
| func (r *PilotEgress) FetchEgressRule() map[string][]*config.EgressRule { |
| return GetEgressRule() |
| } |
| |
| //SetEgressRule set rules |
| func (r *PilotEgress) SetEgressRule(rr map[string][]*config.EgressRule) { |
| SetEgressRule(rr) |
| } |
| |
| //Init init egress config |
| func (r *PilotEgress) Init(o egress.Options) error { |
| // the manager use dests to init, so must init after dests |
| if err := InitPilotFetcher(o); err != nil { |
| return err |
| } |
| return refresh() |
| } |
| |
| // refresh all the egress config |
| func refresh() error { |
| configs := pilotfetcher.Configs() |
| |
| d := make(map[string][]*config.EgressRule) |
| for k, v := range configs { |
| rules, ok := v.([]*config.EgressRule) |
| if !ok { |
| err := fmt.Errorf("egress rule type assertion fail, key: %s", k) |
| return err |
| } |
| d[k] = rules |
| } |
| ok, _ := egress.ValidateEgressRule(d) |
| if ok { |
| dests = d |
| } |
| return nil |
| } |
| |
| var dests = make(map[string][]*config.EgressRule) |
| var lock sync.RWMutex |
| |
| // GetEgressRule get egress rule |
| func GetEgressRule() map[string][]*config.EgressRule { |
| lock.RLock() |
| defer lock.RUnlock() |
| return dests |
| } |
| |
| // SetEgressRule set egress rule |
| func SetEgressRule(rule map[string][]*config.EgressRule) { |
| lock.RLock() |
| defer lock.RUnlock() |
| dests = rule |
| } |