| /* |
| * 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 registry |
| |
| import ( |
| "path" |
| "strings" |
| "time" |
| ) |
| |
| import ( |
| "github.com/apache/dubbo-go/common" |
| gxzookeeper "github.com/dubbogo/gost/database/kv/zk" |
| ) |
| |
| import ( |
| "github.com/apache/dubbo-go-pixiu/pkg/logger" |
| ) |
| |
| const ( |
| rootPath = "/dubbo" |
| ) |
| |
| func init() { |
| var _ Loader = new(ZookeeperRegistryLoad) |
| } |
| |
| // ZookeeperRegistryLoad load dubbo apis from zookeeper registry |
| type ZookeeperRegistryLoad struct { |
| zkName string |
| client *gxzookeeper.ZookeeperClient |
| Address string |
| cluster string |
| } |
| |
| func newZookeeperRegistryLoad(address, cluster string) (Loader, error) { |
| newClient, err := gxzookeeper.NewZookeeperClient("zkClient", strings.Split(address, ","), false, gxzookeeper.WithZkTimeOut(15*time.Second)) |
| if err != nil { |
| logger.Warnf("newZookeeperClient error:%v", err) |
| return nil, err |
| } |
| |
| r := &ZookeeperRegistryLoad{ |
| Address: address, |
| client: newClient, |
| cluster: cluster, |
| } |
| |
| return r, nil |
| } |
| |
| // nolint |
| func (crl *ZookeeperRegistryLoad) GetCluster() (string, error) { |
| return crl.cluster, nil |
| } |
| |
| // LoadAllServices load all services from zookeeper registry |
| func (crl *ZookeeperRegistryLoad) LoadAllServices() ([]*common.URL, error) { |
| children, err := crl.client.GetChildren(rootPath) |
| if err != nil { |
| logger.Errorf("[zookeeper registry] get zk children error:%v", err) |
| return nil, err |
| } |
| var urls []*common.URL |
| for _, _interface := range children { |
| providerStr := path.Join(rootPath, "/", _interface, "/", "providers") |
| urlStrs, err := crl.client.GetChildren(providerStr) |
| if err != nil { |
| logger.Errorf("[zookeeper registry] get zk children \"%s\" error:%v", providerStr, err) |
| return nil, err |
| } |
| for _, url := range urlStrs { |
| dubboURL, err := common.NewURL(url) |
| if err != nil { |
| logger.Warnf("[zookeeper registry] transfer zk info to url error:%v", err) |
| continue |
| } |
| urls = append(urls, dubboURL) |
| } |
| } |
| return urls, nil |
| } |