You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
Open-IM-Server/pkg/common/discoveryregister/zookeeper/zookeeper.go

70 lines
2.4 KiB

// Copyright © 2023 OpenIM. All rights reserved.
//
// Licensed 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 zookeeper
import (
"os"
"strings"
"time"
"github.com/OpenIMSDK/tools/discoveryregistry"
openkeeper "github.com/OpenIMSDK/tools/discoveryregistry/zookeeper"
"github.com/OpenIMSDK/tools/log"
"github.com/openimsdk/open-im-server/v3/pkg/common/config"
)
// NewZookeeperDiscoveryRegister creates a new instance of ZookeeperDR for Zookeeper service discovery and registration.
func NewZookeeperDiscoveryRegister() (discoveryregistry.SvcDiscoveryRegistry, error) {
schema := getEnv("ZOOKEEPER_SCHEMA", config.Config.Zookeeper.Schema)
zkAddr := getZkAddrFromEnv(config.Config.Zookeeper.ZkAddr)
username := getEnv("ZOOKEEPER_USERNAME", config.Config.Zookeeper.Username)
password := getEnv("ZOOKEEPER_PASSWORD", config.Config.Zookeeper.Password)
return openkeeper.NewClient(
zkAddr,
schema,
openkeeper.WithFreq(time.Hour),
openkeeper.WithUserNameAndPassword(username, password),
openkeeper.WithRoundRobin(),
openkeeper.WithTimeout(10),
openkeeper.WithLogger(log.NewZkLogger()),
)
}
// getEnv returns the value of an environment variable if it exists, otherwise it returns the fallback value.
func getEnv(key, fallback string) string {
if value, exists := os.LookupEnv(key); exists {
return value
}
return fallback
}
// getZkAddrFromEnv returns the Zookeeper addresses combined from the ZOOKEEPER_ADDRESS and ZOOKEEPER_PORT environment variables.
// If the environment variables are not set, it returns the fallback value.
func getZkAddrFromEnv(fallback []string) []string {
address, addrExists := os.LookupEnv("ZOOKEEPER_ADDRESS")
port, portExists := os.LookupEnv("ZOOKEEPER_PORT")
if addrExists && portExists {
addresses := strings.Split(address, ",")
for i, addr := range addresses {
addresses[i] = addr + ":" + port
}
return addresses
}
return fallback
}