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/kafka/consumer.go

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2.1 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 kafka
import (
"sync"
"github.com/IBM/sarama"
"github.com/OpenIMSDK/tools/errs"
"github.com/openimsdk/open-im-server/v3/pkg/common/config"
)
type Consumer struct {
addr []string
WG sync.WaitGroup
Topic string
PartitionList []int32
Consumer sarama.Consumer
}
func NewKafkaConsumer(addr []string, topic string, config *config.GlobalConfig) (*Consumer, error) {
p := Consumer{}
p.Topic = topic
p.addr = addr
consumerConfig := sarama.NewConfig()
if config.Kafka.Username != "" && config.Kafka.Password != "" {
consumerConfig.Net.SASL.Enable = true
consumerConfig.Net.SASL.User = config.Kafka.Username
consumerConfig.Net.SASL.Password = config.Kafka.Password
}
var tlsConfig *TLSConfig
if config.Kafka.TLS != nil {
tlsConfig = &TLSConfig{
CACrt: config.Kafka.TLS.CACrt,
ClientCrt: config.Kafka.TLS.ClientCrt,
ClientKey: config.Kafka.TLS.ClientKey,
ClientKeyPwd: config.Kafka.TLS.ClientKeyPwd,
InsecureSkipVerify: false,
}
}
err := SetupTLSConfig(consumerConfig, tlsConfig)
if err != nil {
return nil, err
}
consumer, err := sarama.NewConsumer(p.addr, consumerConfig)
if err != nil {
return nil, errs.Wrap(err, "NewKafkaConsumer: creating consumer failed")
}
p.Consumer = consumer
partitionList, err := consumer.Partitions(p.Topic)
if err != nil {
return nil, errs.Wrap(err, "NewKafkaConsumer: getting partitions failed")
}
p.PartitionList = partitionList
return &p, nil
}