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Open-IM-Server/pkg/common/db/cache/init_redis.go

69 lines
2.0 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 cache
import (
"context"
"errors"
"fmt"
"time"
"github.com/redis/go-redis/v9"
"github.com/OpenIMSDK/Open-IM-Server/pkg/common/config"
"github.com/OpenIMSDK/Open-IM-Server/pkg/common/mw/specialerror"
"github.com/OpenIMSDK/Open-IM-Server/pkg/errs"
)
const (
maxRetry = 10 //number of retries
)
// NewRedis Initialize redis connection
func NewRedis() (redis.UniversalClient, error) {
if len(config.Config.Redis.Address) == 0 {
return nil, errors.New("redis address is empty")
}
specialerror.AddReplace(redis.Nil, errs.ErrRecordNotFound)
var rdb redis.UniversalClient
if len(config.Config.Redis.Address) > 1 {
rdb = redis.NewClusterClient(&redis.ClusterOptions{
Addrs: config.Config.Redis.Address,
Username: config.Config.Redis.Username,
Password: config.Config.Redis.Password, // no password set
PoolSize: 50,
MaxRetries: maxRetry,
})
} else {
rdb = redis.NewClient(&redis.Options{
Addr: config.Config.Redis.Address[0],
Username: config.Config.Redis.Username,
Password: config.Config.Redis.Password, // no password set
DB: 0, // use default DB
PoolSize: 100, // connection pool size
MaxRetries: maxRetry,
})
}
var err error = nil
ctx, cancel := context.WithTimeout(context.Background(), time.Second*10)
defer cancel()
err = rdb.Ping(ctx).Err()
if err != nil {
return nil, fmt.Errorf("redis ping %w", err)
}
return rdb, err
}