| /* |
| * 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 event |
| |
| import ( |
| "context" |
| "fmt" |
| |
| pb "github.com/go-chassis/cari/discovery" |
| |
| "github.com/apache/servicecomb-service-center/datasource" |
| "github.com/apache/servicecomb-service-center/datasource/mongo/client/dao" |
| "github.com/apache/servicecomb-service-center/datasource/mongo/client/model" |
| "github.com/apache/servicecomb-service-center/datasource/mongo/sd" |
| "github.com/apache/servicecomb-service-center/datasource/mongo/util" |
| "github.com/apache/servicecomb-service-center/pkg/log" |
| "github.com/apache/servicecomb-service-center/server/metrics" |
| ) |
| |
| type ServiceEventHandler struct { |
| } |
| |
| func NewServiceEventHandler() *ServiceEventHandler { |
| return &ServiceEventHandler{} |
| } |
| |
| func (h *ServiceEventHandler) Type() string { |
| return model.ColumnService |
| } |
| func (h *ServiceEventHandler) OnEvent(evt sd.MongoEvent) { |
| ms, ok := evt.Value.(model.Service) |
| if !ok { |
| log.Error("failed to assert service", datasource.ErrAssertFail) |
| return |
| } |
| fn, fv := getFramework(ms.Service) |
| switch evt.Type { |
| case pb.EVT_INIT, pb.EVT_CREATE: |
| ctx := context.Background() |
| err := newDomain(ctx, ms.Domain) |
| if err != nil { |
| log.Error(fmt.Sprintf("new domain %s failed", ms.Domain), err) |
| } |
| err = newProject(ctx, ms.Domain, ms.Project) |
| if err != nil { |
| log.Error(fmt.Sprintf("new project %s failed", ms.Project), err) |
| } |
| metrics.ReportServices(ms.Domain, fn, fv, increaseOne) |
| case pb.EVT_DELETE: |
| metrics.ReportServices(ms.Domain, fn, fv, decreaseOne) |
| default: |
| } |
| if evt.Type == pb.EVT_INIT { |
| return |
| } |
| |
| log.Infof("caught [%s] service[%s][%s/%s/%s/%s] event", |
| evt.Type, ms.Service.ServiceId, ms.Service.Environment, ms.Service.AppId, ms.Service.ServiceName, ms.Service.Version) |
| } |
| |
| func getFramework(ms *pb.MicroService) (string, string) { |
| if ms.Framework != nil && len(ms.Framework.Name) > 0 { |
| version := ms.Framework.Version |
| if len(ms.Framework.Version) == 0 { |
| version = "UNKNOWN" |
| } |
| return ms.Framework.Name, version |
| } |
| return "UNKNOWN", "UNKNOWN" |
| } |
| |
| func newDomain(ctx context.Context, domain string) error { |
| filter := util.NewFilter(util.Domain(domain)) |
| exist, err := dao.ExistDomain(ctx, filter) |
| if !exist && err == nil { |
| err = dao.AddDomain(ctx, domain) |
| } |
| return err |
| } |
| |
| func newProject(ctx context.Context, domain string, project string) error { |
| filter := util.NewDomainProjectFilter(domain, project) |
| exist, err := dao.ExistProject(ctx, filter) |
| if !exist && err == nil { |
| p := model.Project{ |
| Domain: domain, |
| Project: project, |
| } |
| err = dao.AddProject(ctx, p) |
| } |
| return err |
| } |