| /* |
| * 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 request 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 request 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 cache |
| |
| import ( |
| "context" |
| "strings" |
| |
| "github.com/apache/servicecomb-service-center/datasource" |
| "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/pkg/util" |
| "github.com/go-chassis/cari/discovery" |
| ) |
| |
| func GetProviderServiceOfDeps(provider *discovery.MicroService) (*discovery.MicroServiceDependency, bool) { |
| res := sd.Store().Dep().Cache().GetValue(genDepServiceKey(datasource.Provider, provider)) |
| deps, ok := transCacheToDep(res) |
| if !ok { |
| return nil, false |
| } |
| return deps[0], true |
| } |
| |
| func transCacheToDep(cache []interface{}) ([]*discovery.MicroServiceDependency, bool) { |
| res := make([]*discovery.MicroServiceDependency, 0, len(cache)) |
| for _, v := range cache { |
| t, ok := v.(model.DependencyRule) |
| if !ok { |
| return nil, false |
| } |
| res = append(res, t.Dep) |
| } |
| if len(res) == 0 { |
| return nil, false |
| } |
| return res, true |
| } |
| |
| func genDepServiceKey(ruleType string, service *discovery.MicroService) string { |
| return strings.Join([]string{ruleType, service.AppId, service.ServiceName, service.Version}, "/") |
| } |
| |
| func GetMicroServiceInstancesByID(ctx context.Context, serviceID string) ([]*discovery.MicroServiceInstance, bool) { |
| if util.NoCache(ctx) { |
| return nil, false |
| } |
| index := genServiceIDIndex(ctx, serviceID) |
| cacheInstances := sd.Store().Instance().Cache().GetValue(index) |
| insts, ok := transCacheToMicroInsts(cacheInstances) |
| if !ok { |
| return nil, false |
| } |
| return insts, true |
| } |
| |
| func GetServiceByID(ctx context.Context, serviceID string) (*model.Service, bool) { |
| if util.NoCache(ctx) { |
| return nil, false |
| } |
| index := genServiceIDIndex(ctx, serviceID) |
| cacheRes := sd.Store().Service().Cache().GetValue(index) |
| if len(cacheRes) == 0 { |
| return nil, false |
| } |
| res, ok := transCacheToService(cacheRes) |
| if !ok { |
| return nil, false |
| } |
| return res[0], true |
| } |
| |
| func GetServiceByName(ctx context.Context, key *discovery.MicroServiceKey) ([]*model.Service, bool) { |
| if util.NoCache(ctx) { |
| return nil, false |
| } |
| cacheIndex := genServiceNameIndex(ctx, key) |
| res := sd.Store().Service().Cache().GetValue(cacheIndex) |
| cacheService, ok := transCacheToService(res) |
| if !ok { |
| return nil, false |
| } |
| return cacheService, true |
| } |
| |
| func GetServiceID(ctx context.Context, key *discovery.MicroServiceKey) (serviceID string, exist bool) { |
| if util.NoCache(ctx) { |
| return |
| } |
| cacheIndex := genServiceKeyIndex(ctx, key) |
| res := sd.Store().Service().Cache().GetValue(cacheIndex) |
| cacheService, ok := transCacheToService(res) |
| if !ok { |
| return |
| } |
| return cacheService[0].Service.ServiceId, true |
| } |
| |
| func GetServiceByIDAcrossDomain(ctx context.Context, serviceID string) (*model.Service, bool) { |
| if util.NoCache(ctx) { |
| return nil, false |
| } |
| index := genServiceIDIndexAcrossDomain(ctx, serviceID) |
| cacheRes := sd.Store().Service().Cache().GetValue(index) |
| |
| if len(cacheRes) == 0 { |
| return nil, false |
| } |
| |
| res, ok := transCacheToService(cacheRes) |
| if !ok { |
| return nil, false |
| } |
| |
| return res[0], true |
| } |
| |
| func GetServicesByDomainProject(domainProject string) (service []*model.Service, exist bool) { |
| services := make([]*model.Service, 0) |
| sd.Store().Service().Cache().GetValue(domainProject) |
| if len(services) == 0 { |
| return services, false |
| } |
| return services, true |
| } |
| |
| func GetMicroServicesByDomainProject(domainProject string) (service []*discovery.MicroService, exist bool) { |
| services, exist := GetServicesByDomainProject(domainProject) |
| if !exist || len(services) == 0 { |
| return nil, false |
| } |
| ms := make([]*discovery.MicroService, len(services)) |
| for i, s := range services { |
| ms[i] = s.Service |
| } |
| return ms, true |
| } |
| |
| func transCacheToService(services []interface{}) ([]*model.Service, bool) { |
| res := make([]*model.Service, 0, len(services)) |
| for _, v := range services { |
| t, ok := v.(model.Service) |
| if !ok { |
| return nil, false |
| } |
| res = append(res, &model.Service{ |
| Domain: t.Domain, |
| Project: t.Project, |
| Tags: t.Tags, |
| Service: t.Service, |
| }) |
| } |
| if len(res) == 0 { |
| return nil, false |
| } |
| return res, true |
| } |
| |
| func genServiceIDIndexAcrossDomain(ctx context.Context, serviceID string) string { |
| return strings.Join([]string{util.ParseTargetDomainProject(ctx), serviceID}, datasource.SPLIT) |
| } |
| |
| func genServiceIDIndex(ctx context.Context, serviceID string) string { |
| return strings.Join([]string{util.ParseDomainProject(ctx), serviceID}, datasource.SPLIT) |
| } |
| |
| func genServiceKeyIndex(ctx context.Context, key *discovery.MicroServiceKey) string { |
| return strings.Join([]string{util.ParseDomain(ctx), util.ParseProject(ctx), key.AppId, key.ServiceName, key.Version}, datasource.SPLIT) |
| } |
| |
| func genServiceNameIndex(ctx context.Context, key *discovery.MicroServiceKey) string { |
| return strings.Join([]string{util.ParseDomain(ctx), util.ParseProject(ctx), key.AppId, key.ServiceName}, datasource.SPLIT) |
| } |
| |
| func CountInstances(ctx context.Context, serviceID string) (int, bool) { |
| if util.NoCache(ctx) { |
| return 0, false |
| } |
| index := genServiceIDIndex(ctx, serviceID) |
| cacheInstances := sd.Store().Instance().Cache().GetValue(index) |
| if len(cacheInstances) == 0 { |
| return 0, false |
| } |
| return len(cacheInstances), true |
| } |
| |
| func GetInstance(ctx context.Context, serviceID string, instanceID string) (*model.Instance, bool) { |
| if util.NoCache(ctx) { |
| return nil, false |
| } |
| index := generateInstanceIDIndex(util.ParseDomainProject(ctx), serviceID, instanceID) |
| cacheInstance := sd.Store().Instance().Cache().GetValue(index) |
| insts, ok := transCacheToInsts(cacheInstance) |
| if !ok { |
| return nil, false |
| } |
| return insts[0], true |
| } |
| |
| func GetInstances(ctx context.Context) ([]*model.Instance, bool) { |
| if util.NoCache(ctx) { |
| return nil, false |
| } |
| index := util.ParseDomainProject(ctx) |
| cacheInstance := sd.Store().Instance().Cache().GetValue(index) |
| insts, ok := transCacheToInsts(cacheInstance) |
| if !ok { |
| return nil, false |
| } |
| return insts, true |
| } |
| |
| func transCacheToMicroInsts(cache []interface{}) ([]*discovery.MicroServiceInstance, bool) { |
| res := make([]*discovery.MicroServiceInstance, 0, len(cache)) |
| for _, iter := range cache { |
| inst, ok := iter.(model.Instance) |
| if !ok { |
| return nil, false |
| } |
| res = append(res, inst.Instance) |
| } |
| if len(res) == 0 { |
| return nil, false |
| } |
| return res, true |
| } |
| |
| func transCacheToInsts(cache []interface{}) ([]*model.Instance, bool) { |
| res := make([]*model.Instance, 0, len(cache)) |
| for _, iter := range cache { |
| inst, ok := iter.(model.Instance) |
| if !ok { |
| return nil, false |
| } |
| res = append(res, &inst) |
| } |
| if len(res) == 0 { |
| return nil, false |
| } |
| return res, true |
| } |
| |
| func generateInstanceIDIndex(domainProject string, serviceID string, instanceID string) string { |
| return util.StringJoin([]string{ |
| domainProject, |
| serviceID, |
| instanceID, |
| }, datasource.SPLIT) |
| } |
