github.com/openimsdk/tools@v0.0.49/mq/kafka/verify.go (about)

     1  // Copyright © 2024 OpenIM open source community. All rights reserved.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package kafka
    16  
    17  import (
    18  	"context"
    19  	"fmt"
    20  	"github.com/IBM/sarama"
    21  	"github.com/openimsdk/tools/errs"
    22  )
    23  
    24  func Check(ctx context.Context, conf *Config, topics []string) error {
    25  	kfk, err := BuildConsumerGroupConfig(conf, sarama.OffsetNewest, false)
    26  	if err != nil {
    27  		return err
    28  	}
    29  	cli, err := sarama.NewClient(conf.Addr, kfk)
    30  	if err != nil {
    31  		return errs.WrapMsg(err, "NewClient failed", "config: ", fmt.Sprintf("%+v", conf))
    32  	}
    33  	defer cli.Close()
    34  
    35  	existingTopics, err := cli.Topics()
    36  	if err != nil {
    37  		return errs.WrapMsg(err, "Failed to list topics")
    38  	}
    39  
    40  	existingTopicsMap := make(map[string]bool)
    41  	for _, t := range existingTopics {
    42  		existingTopicsMap[t] = true
    43  	}
    44  
    45  	for _, topic := range topics {
    46  		if !existingTopicsMap[topic] {
    47  			return errs.New("topic not exist", "topic", topic).Wrap()
    48  		}
    49  	}
    50  	return nil
    51  }