| /* |
| * 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 dubboregistry |
| |
| import ( |
| "os" |
| ) |
| |
| import ( |
| "github.com/dubbo-go-pixiu/pixiu-api/pkg/api/config" |
| "github.com/dubbo-go-pixiu/pixiu-api/pkg/router" |
| ) |
| |
| import ( |
| "github.com/apache/dubbo-go-pixiu/pixiu/pkg/adapter/dubboregistry/registry" |
| _ "github.com/apache/dubbo-go-pixiu/pixiu/pkg/adapter/dubboregistry/registry/nacos" |
| _ "github.com/apache/dubbo-go-pixiu/pixiu/pkg/adapter/dubboregistry/registry/zookeeper" |
| "github.com/apache/dubbo-go-pixiu/pixiu/pkg/common/constant" |
| "github.com/apache/dubbo-go-pixiu/pixiu/pkg/common/extension/adapter" |
| "github.com/apache/dubbo-go-pixiu/pixiu/pkg/logger" |
| "github.com/apache/dubbo-go-pixiu/pixiu/pkg/model" |
| "github.com/apache/dubbo-go-pixiu/pixiu/pkg/server" |
| ) |
| |
| func init() { |
| adapter.RegisterAdapterPlugin(&Plugin{}) |
| } |
| |
| var ( |
| _ adapter.AdapterPlugin = new(Plugin) |
| _ adapter.Adapter = new(Adapter) |
| ) |
| |
| type ( |
| // Plugin to monitor dubbo services on registry center |
| Plugin struct { |
| } |
| |
| AdaptorConfig struct { |
| Registries map[string]model.Registry `yaml:"registries" json:"registries" mapstructure:"registries"` |
| } |
| ) |
| |
| // Kind returns the identifier of the plugin |
| func (p Plugin) Kind() string { |
| return constant.DubboRegistryCenterAdapter |
| } |
| |
| // CreateAdapter returns the dubbo registry center adapter |
| func (p *Plugin) CreateAdapter(a *model.Adapter) (adapter.Adapter, error) { |
| adapter := &Adapter{id: a.ID, |
| registries: make(map[string]registry.Registry), |
| cfg: AdaptorConfig{Registries: make(map[string]model.Registry)}} |
| return adapter, nil |
| } |
| |
| // Adapter to monitor dubbo services on registry center |
| type Adapter struct { |
| id string |
| cfg AdaptorConfig |
| registries map[string]registry.Registry |
| } |
| |
| // Start starts the adaptor |
| func (a Adapter) Start() { |
| for _, reg := range a.registries { |
| if err := reg.Subscribe(); err != nil { |
| logger.Errorf("Subscribe fail, error is {%s}", err.Error()) |
| } |
| } |
| } |
| |
| // Stop stops the adaptor |
| func (a *Adapter) Stop() { |
| for _, reg := range a.registries { |
| if err := reg.Unsubscribe(); err != nil { |
| logger.Errorf("Unsubscribe fail, error is {%s}", err.Error()) |
| } |
| } |
| } |
| |
| // Apply inits the registries according to the configuration |
| func (a *Adapter) Apply() error { |
| // create registry per config |
| nacosAddrFromEnv := os.Getenv(constant.EnvDubbogoPixiuNacosRegistryAddress) |
| for k, registryConfig := range a.cfg.Registries { |
| var err error |
| if nacosAddrFromEnv != "" && registryConfig.Protocol == constant.Nacos { |
| registryConfig.Address = nacosAddrFromEnv |
| } |
| a.registries[k], err = registry.GetRegistry(k, registryConfig, a) |
| if err != nil { |
| return err |
| } |
| } |
| |
| return nil |
| } |
| |
| // Config returns the config of the adaptor |
| func (a Adapter) Config() interface{} { |
| return a.cfg |
| } |
| |
| func (a *Adapter) OnAddAPI(r router.API) error { |
| acm := server.GetApiConfigManager() |
| return acm.AddAPI(a.id, r) |
| } |
| |
| func (a *Adapter) OnRemoveAPI(r router.API) error { |
| acm := server.GetApiConfigManager() |
| return acm.RemoveAPI(a.id, r) |
| } |
| |
| func (a *Adapter) OnDeleteRouter(r config.Resource) error { |
| acm := server.GetApiConfigManager() |
| return acm.DeleteRouter(a.id, r) |
| } |