| /* |
| * 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 etcd |
| |
| import ( |
| "context" |
| "encoding/json" |
| "errors" |
| "fmt" |
| |
| "github.com/apache/servicecomb-service-center/datasource" |
| "github.com/apache/servicecomb-service-center/datasource/etcd/client" |
| "github.com/apache/servicecomb-service-center/datasource/etcd/event" |
| "github.com/apache/servicecomb-service-center/datasource/etcd/kv" |
| "github.com/apache/servicecomb-service-center/datasource/etcd/path" |
| serviceUtil "github.com/apache/servicecomb-service-center/datasource/etcd/util" |
| "github.com/apache/servicecomb-service-center/pkg/log" |
| "github.com/apache/servicecomb-service-center/pkg/util" |
| pb "github.com/go-chassis/cari/discovery" |
| ) |
| |
| type DepManager struct { |
| } |
| |
| func (dm *DepManager) SearchProviderDependency(ctx context.Context, request *pb.GetDependenciesRequest) (*pb.GetProDependenciesResponse, error) { |
| domainProject := util.ParseDomainProject(ctx) |
| providerServiceID := request.ServiceId |
| provider, err := serviceUtil.GetService(ctx, domainProject, providerServiceID) |
| |
| if err != nil { |
| if errors.Is(err, datasource.ErrNoData) { |
| log.Debug(fmt.Sprintf("provider[%s] does not exist in db", providerServiceID)) |
| return &pb.GetProDependenciesResponse{ |
| Response: pb.CreateResponse(pb.ErrServiceNotExists, "Provider does not exist"), |
| }, nil |
| } |
| log.Error(fmt.Sprintf("query provider service from db failed, provider is %s", providerServiceID), err) |
| return nil, err |
| } |
| |
| dr := serviceUtil.NewProviderDependencyRelation(ctx, domainProject, provider) |
| services, err := dr.GetDependencyConsumers(toDependencyFilterOptions(request)...) |
| |
| if err != nil { |
| log.Error(fmt.Sprintf("query provider failed, provider is %s/%s/%s/%s", |
| provider.Environment, provider.AppId, provider.ServiceName, provider.Version), err) |
| return &pb.GetProDependenciesResponse{ |
| Response: pb.CreateResponse(pb.ErrInternal, err.Error()), |
| }, err |
| } |
| |
| return &pb.GetProDependenciesResponse{ |
| Response: pb.CreateResponse(pb.ResponseSuccess, "Get all consumers successful."), |
| Consumers: services, |
| }, nil |
| } |
| |
| func (dm *DepManager) SearchConsumerDependency(ctx context.Context, request *pb.GetDependenciesRequest) (*pb.GetConDependenciesResponse, error) { |
| consumerID := request.ServiceId |
| domainProject := util.ParseDomainProject(ctx) |
| consumer, err := serviceUtil.GetService(ctx, domainProject, consumerID) |
| |
| if err != nil { |
| if errors.Is(err, datasource.ErrNoData) { |
| log.Debug(fmt.Sprintf("consumer[%s] does not exist", consumerID)) |
| return &pb.GetConDependenciesResponse{ |
| Response: pb.CreateResponse(pb.ErrServiceNotExists, "Consumer does not exist"), |
| }, nil |
| } |
| log.Error(fmt.Sprintf("query consumer failed, consumer is %s", consumerID), err) |
| return nil, err |
| } |
| |
| dr := serviceUtil.NewConsumerDependencyRelation(ctx, domainProject, consumer) |
| services, err := dr.GetDependencyProviders(toDependencyFilterOptions(request)...) |
| if err != nil { |
| log.Error(fmt.Sprintf("query consumer failed, consumer is %s/%s/%s/%s", |
| consumer.Environment, consumer.AppId, consumer.ServiceName, consumer.Version), err) |
| return &pb.GetConDependenciesResponse{ |
| Response: pb.CreateResponse(pb.ErrInternal, err.Error()), |
| }, err |
| } |
| |
| return &pb.GetConDependenciesResponse{ |
| Response: pb.CreateResponse(pb.ResponseSuccess, "Get all providers successfully."), |
| Providers: services, |
| }, nil |
| } |
| |
| func (dm *DepManager) DependencyHandle(ctx context.Context) error { |
| var dep *event.DependencyEventHandler |
| err := dep.Handle() |
| if err != nil { |
| return err |
| } |
| for { |
| key := path.GetServiceDependencyQueueRootKey("") |
| resp, err := kv.Store().DependencyQueue().Search(ctx, |
| client.WithStrKey(key), client.WithPrefix(), client.WithCountOnly()) |
| if err != nil { |
| return err |
| } |
| // maintain dependency rules. |
| if resp.Count == 0 { |
| break |
| } |
| } |
| return nil |
| } |
| |
| func (dm *DepManager) AddOrUpdateDependencies(ctx context.Context, dependencyInfos []*pb.ConsumerDependency, override bool) (*pb.Response, error) { |
| opts := make([]client.PluginOp, 0, len(dependencyInfos)) |
| domainProject := util.ParseDomainProject(ctx) |
| for _, dependencyInfo := range dependencyInfos { |
| consumerFlag := util.StringJoin([]string{dependencyInfo.Consumer.Environment, dependencyInfo.Consumer.AppId, dependencyInfo.Consumer.ServiceName, dependencyInfo.Consumer.Version}, "/") |
| consumerInfo := pb.DependenciesToKeys([]*pb.MicroServiceKey{dependencyInfo.Consumer}, domainProject)[0] |
| providersInfo := pb.DependenciesToKeys(dependencyInfo.Providers, domainProject) |
| |
| rsp := serviceUtil.ParamsChecker(consumerInfo, providersInfo) |
| if rsp != nil { |
| log.Errorf(nil, "put request into dependency queue failed, override: %t, consumer is %s, %s", |
| override, consumerFlag, rsp.Response.GetMessage()) |
| return rsp.Response, nil |
| } |
| |
| consumerID, err := serviceUtil.GetServiceID(ctx, consumerInfo) |
| if err != nil { |
| log.Errorf(err, "put request into dependency queue failed, override: %t, get consumer[%s] id failed", |
| override, consumerFlag) |
| return pb.CreateResponse(pb.ErrInternal, err.Error()), err |
| } |
| if len(consumerID) == 0 { |
| log.Errorf(nil, "put request into dependency queue failed, override: %t, consumer[%s] does not exist", |
| override, consumerFlag) |
| return pb.CreateResponse(pb.ErrServiceNotExists, fmt.Sprintf("Consumer %s does not exist.", consumerFlag)), nil |
| } |
| |
| dependencyInfo.Override = override |
| data, err := json.Marshal(dependencyInfo) |
| if err != nil { |
| log.Errorf(err, "put request into dependency queue failed, override: %t, marshal consumer[%s] dependency failed", |
| override, consumerFlag) |
| return pb.CreateResponse(pb.ErrInternal, err.Error()), err |
| } |
| |
| id := path.DepsQueueUUID |
| if !override { |
| id = util.GenerateUUID() |
| } |
| key := path.GenerateConsumerDependencyQueueKey(domainProject, consumerID, id) |
| opts = append(opts, client.OpPut(client.WithStrKey(key), client.WithValue(data))) |
| } |
| |
| err := client.BatchCommit(ctx, opts) |
| if err != nil { |
| log.Errorf(err, "put request into dependency queue failed, override: %t, %v", override, dependencyInfos) |
| return pb.CreateResponse(pb.ErrInternal, err.Error()), err |
| } |
| |
| log.Infof("put request into dependency queue successfully, override: %t, %v, from remote %s", |
| override, dependencyInfos, util.GetIPFromContext(ctx)) |
| return pb.CreateResponse(pb.ResponseSuccess, "Create dependency successfully."), nil |
| } |