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83 lines
2.7 KiB
83 lines
2.7 KiB
// Copyright © 2023 OpenIM. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package zookeeper
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import (
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"fmt"
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"os"
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"strings"
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"time"
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"github.com/OpenIMSDK/tools/errs"
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"github.com/OpenIMSDK/tools/discoveryregistry"
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openkeeper "github.com/OpenIMSDK/tools/discoveryregistry/zookeeper"
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"github.com/OpenIMSDK/tools/log"
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"github.com/openimsdk/open-im-server/v3/pkg/common/config"
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)
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// NewZookeeperDiscoveryRegister creates a new instance of ZookeeperDR for Zookeeper service discovery and registration.
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func NewZookeeperDiscoveryRegister() (discoveryregistry.SvcDiscoveryRegistry, error) {
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schema := getEnv("ZOOKEEPER_SCHEMA", config.Config.Zookeeper.Schema)
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zkAddr := getZkAddrFromEnv(config.Config.Zookeeper.ZkAddr)
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username := getEnv("ZOOKEEPER_USERNAME", config.Config.Zookeeper.Username)
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password := getEnv("ZOOKEEPER_PASSWORD", config.Config.Zookeeper.Password)
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zk, err := openkeeper.NewClient(
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zkAddr,
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schema,
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openkeeper.WithFreq(time.Hour),
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openkeeper.WithUserNameAndPassword(username, password),
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openkeeper.WithRoundRobin(),
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openkeeper.WithTimeout(10),
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openkeeper.WithLogger(log.NewZkLogger()),
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)
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if err != nil {
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uriFormat := "address:%s, username:%s, password:%s, schema:%s."
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errInfo := fmt.Sprintf(uriFormat,
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config.Config.Zookeeper.ZkAddr,
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config.Config.Zookeeper.Username,
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config.Config.Zookeeper.Password,
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config.Config.Zookeeper.Schema)
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return nil, errs.Wrap(err, errInfo)
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}
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return zk, nil
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}
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// getEnv returns the value of an environment variable if it exists, otherwise it returns the fallback value.
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func getEnv(key, fallback string) string {
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if value, exists := os.LookupEnv(key); exists {
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return value
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}
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return fallback
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}
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// getZkAddrFromEnv returns the Zookeeper addresses combined from the ZOOKEEPER_ADDRESS and ZOOKEEPER_PORT environment variables.
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// If the environment variables are not set, it returns the fallback value.
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func getZkAddrFromEnv(fallback []string) []string {
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address, addrExists := os.LookupEnv("ZOOKEEPER_ADDRESS")
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port, portExists := os.LookupEnv("ZOOKEEPER_PORT")
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if addrExists && portExists {
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addresses := strings.Split(address, ",")
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for i, addr := range addresses {
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addresses[i] = addr + ":" + port
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}
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return addresses
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}
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return fallback
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}
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