更新时间:2024-12-16 GMT+08:00
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导出死信消息

功能介绍

导出死信消息。

调用方法

请参见如何调用API

URI

POST /v2/{project_id}/instances/{instance_id}/messages/export

表1 路径参数

参数

是否必选

参数类型

描述

project_id

String

项目ID,获取方式请参见获取项目ID

instance_id

String

实例ID。

请求参数

表2 请求Body参数

参数

是否必选

参数类型

描述

topic

String

主题名称。

msg_id_list

Array of strings

消息ID列表。

uniq_key_list

Array of strings

唯一Key列表。

响应参数

状态码: 200

表3 响应Body参数

参数

参数类型

描述

[数组元素]

Array of Message objects

消息。

表4 Message

参数

参数类型

描述

msg_id

String

消息ID。

instance_id

String

实例ID。

topic

String

主题名称。

store_timestamp

Number

存储消息的时间。

born_timestamp

Number

产生消息的时间。

reconsume_times

Integer

重试次数。

body

String

消息体。

body_crc

Number

消息体校验和。

store_size

Number

存储大小。

property_list

Array of property_list objects

消息属性列表。

born_host

String

产生消息的主机IP。

store_host

String

存储消息的主机IP。

queue_id

Integer

队列ID。

queue_offset

Integer

在队列中的偏移量。

表5 property_list

参数

参数类型

描述

name

String

属性名称。

value

String

属性值。

请求示例

导出主题中指定消息ID和Key的死信消息。

POST https://{endpoint}/v2/{project_id}/instances/{instance_id}/messages/export

{
  "topic" : "%DLQ%group1",
  "msg_id_list" : [ "C0A8011700002774000000000013B19D", "C0A8011700002774000000000013B30F" ],
  "uniq_key_list" : [ "7F000001001C18B4AAC26B8AED170010", "7F000001001C18B4AAC26B8AEE030015" ]
}

响应示例

状态码: 200

导出死信消息成功。

{
  "topic" : "topic_01",
  "body" : "Hello world",
  "property_list" : {
    "name" : "ORIGIN_MESSAGE_ID",
    "value" : "C0A8005B00002775000000000000EBAE"
  },
  "msg_id" : "C0A8005B0000277500000000000133A2",
  "instance_id" : "56055acb-3c3b-4481-aeab-10464086c2b4",
  "store_timestamp" : 1662690563020,
  "born_timestamp" : 1662690324415,
  "reconsume_times" : 5,
  "body_crc" : 198614610,
  "store_size" : 317,
  "born_host" : "10.58.233.224:63529",
  "store_host" : "192.168.0.91:10101",
  "queue_id" : 0,
  "queue_offset" : 0
}

SDK代码示例

SDK代码示例如下。

导出主题中指定消息ID和Key的死信消息。

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package com.huaweicloud.sdk.test;

import com.huaweicloud.sdk.core.auth.ICredential;
import com.huaweicloud.sdk.core.auth.BasicCredentials;
import com.huaweicloud.sdk.core.exception.ConnectionException;
import com.huaweicloud.sdk.core.exception.RequestTimeoutException;
import com.huaweicloud.sdk.core.exception.ServiceResponseException;
import com.huaweicloud.sdk.rocketmq.v2.region.RocketMQRegion;
import com.huaweicloud.sdk.rocketmq.v2.*;
import com.huaweicloud.sdk.rocketmq.v2.model.*;

import java.util.List;
import java.util.ArrayList;

public class ExportDlqMessageSolution {

    public static void main(String[] args) {
        // The AK and SK used for authentication are hard-coded or stored in plaintext, which has great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security.
        // In this example, AK and SK are stored in environment variables for authentication. Before running this example, set environment variables CLOUD_SDK_AK and CLOUD_SDK_SK in the local environment
        String ak = System.getenv("CLOUD_SDK_AK");
        String sk = System.getenv("CLOUD_SDK_SK");
        String projectId = "{project_id}";

        ICredential auth = new BasicCredentials()
                .withProjectId(projectId)
                .withAk(ak)
                .withSk(sk);

        RocketMQClient client = RocketMQClient.newBuilder()
                .withCredential(auth)
                .withRegion(RocketMQRegion.valueOf("<YOUR REGION>"))
                .build();
        ExportDlqMessageRequest request = new ExportDlqMessageRequest();
        request.withInstanceId("{instance_id}");
        ExportDlqMessageReq body = new ExportDlqMessageReq();
        List<String> listbodyUniqKeyList = new ArrayList<>();
        listbodyUniqKeyList.add("7F000001001C18B4AAC26B8AED170010");
        listbodyUniqKeyList.add("7F000001001C18B4AAC26B8AEE030015");
        List<String> listbodyMsgIdList = new ArrayList<>();
        listbodyMsgIdList.add("C0A8011700002774000000000013B19D");
        listbodyMsgIdList.add("C0A8011700002774000000000013B30F");
        body.withUniqKeyList(listbodyUniqKeyList);
        body.withMsgIdList(listbodyMsgIdList);
        body.withTopic("%DLQ%group1");
        request.withBody(body);
        try {
            ExportDlqMessageResponse response = client.exportDlqMessage(request);
            System.out.println(response.toString());
        } catch (ConnectionException e) {
            e.printStackTrace();
        } catch (RequestTimeoutException e) {
            e.printStackTrace();
        } catch (ServiceResponseException e) {
            e.printStackTrace();
            System.out.println(e.getHttpStatusCode());
            System.out.println(e.getRequestId());
            System.out.println(e.getErrorCode());
            System.out.println(e.getErrorMsg());
        }
    }
}

导出主题中指定消息ID和Key的死信消息。

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# coding: utf-8

import os
from huaweicloudsdkcore.auth.credentials import BasicCredentials
from huaweicloudsdkrocketmq.v2.region.rocketmq_region import RocketMQRegion
from huaweicloudsdkcore.exceptions import exceptions
from huaweicloudsdkrocketmq.v2 import *

if __name__ == "__main__":
    # The AK and SK used for authentication are hard-coded or stored in plaintext, which has great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security.
    # In this example, AK and SK are stored in environment variables for authentication. Before running this example, set environment variables CLOUD_SDK_AK and CLOUD_SDK_SK in the local environment
    ak = os.environ["CLOUD_SDK_AK"]
    sk = os.environ["CLOUD_SDK_SK"]
    projectId = "{project_id}"

    credentials = BasicCredentials(ak, sk, projectId)

    client = RocketMQClient.new_builder() \
        .with_credentials(credentials) \
        .with_region(RocketMQRegion.value_of("<YOUR REGION>")) \
        .build()

    try:
        request = ExportDlqMessageRequest()
        request.instance_id = "{instance_id}"
        listUniqKeyListbody = [
            "7F000001001C18B4AAC26B8AED170010",
            "7F000001001C18B4AAC26B8AEE030015"
        ]
        listMsgIdListbody = [
            "C0A8011700002774000000000013B19D",
            "C0A8011700002774000000000013B30F"
        ]
        request.body = ExportDlqMessageReq(
            uniq_key_list=listUniqKeyListbody,
            msg_id_list=listMsgIdListbody,
            topic="%DLQ%group1"
        )
        response = client.export_dlq_message(request)
        print(response)
    except exceptions.ClientRequestException as e:
        print(e.status_code)
        print(e.request_id)
        print(e.error_code)
        print(e.error_msg)

导出主题中指定消息ID和Key的死信消息。

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package main

import (
	"fmt"
	"github.com/huaweicloud/huaweicloud-sdk-go-v3/core/auth/basic"
    rocketmq "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/rocketmq/v2"
	"github.com/huaweicloud/huaweicloud-sdk-go-v3/services/rocketmq/v2/model"
    region "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/rocketmq/v2/region"
)

func main() {
    // The AK and SK used for authentication are hard-coded or stored in plaintext, which has great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security.
    // In this example, AK and SK are stored in environment variables for authentication. Before running this example, set environment variables CLOUD_SDK_AK and CLOUD_SDK_SK in the local environment
    ak := os.Getenv("CLOUD_SDK_AK")
    sk := os.Getenv("CLOUD_SDK_SK")
    projectId := "{project_id}"

    auth := basic.NewCredentialsBuilder().
        WithAk(ak).
        WithSk(sk).
        WithProjectId(projectId).
        Build()

    client := rocketmq.NewRocketMQClient(
        rocketmq.RocketMQClientBuilder().
            WithRegion(region.ValueOf("<YOUR REGION>")).
            WithCredential(auth).
            Build())

    request := &model.ExportDlqMessageRequest{}
	request.InstanceId = "{instance_id}"
	var listUniqKeyListbody = []string{
        "7F000001001C18B4AAC26B8AED170010",
	    "7F000001001C18B4AAC26B8AEE030015",
    }
	var listMsgIdListbody = []string{
        "C0A8011700002774000000000013B19D",
	    "C0A8011700002774000000000013B30F",
    }
	topicExportDlqMessageReq:= "%DLQ%group1"
	request.Body = &model.ExportDlqMessageReq{
		UniqKeyList: &listUniqKeyListbody,
		MsgIdList: &listMsgIdListbody,
		Topic: &topicExportDlqMessageReq,
	}
	response, err := client.ExportDlqMessage(request)
	if err == nil {
        fmt.Printf("%+v\n", response)
    } else {
        fmt.Println(err)
    }
}

更多编程语言的SDK代码示例,请参见API Explorer的代码示例页签,可生成自动对应的SDK代码示例。

状态码

状态码

描述

200

导出死信消息成功。

错误码

请参见错误码

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