更新时间:2024-03-15 GMT+08:00
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Kafka生产消息

功能介绍

在控制台发送指定消息到Kafka实例

调用方法

请参见如何调用API

URI

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

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

表2 Query参数

参数

是否必选

参数类型

描述

action_id

String

动作ID,生产消息对应的action_id为send。

请求参数

表3 请求Body参数

参数

是否必选

参数类型

描述

topic

String

Kafka的topic

body

String

消息内容

property_list

Array of property_list objects

topic的分区信息等

表4 property_list

参数

是否必选

参数类型

描述

name

String

特性名字

value

String

特性值

响应参数

状态码: 200

表5 响应Body参数

参数

参数类型

描述

topic

String

Kafka的topic

body

String

消息内容

property_list

Array of objects

topic的分区信息等

请求示例

Kafka控制台发送消息

POST https://{endpoint}/v2/{project_id}/instances/{instance_id}/messages/action?action_id={action_id}

{
  "topic" : "XXXX",
  "body" : "hello world",
  "property_list" : [ {
    "name" : "KEY",
    "value" : "testKey"
  }, {
    "name" : "PARTITION",
    "value" : "0"
  } ]
}

响应示例

状态码: 200

生产消息成功

{
  "topic" : "XXXX",
  "body" : "XXXX",
  "property_list" : [ ]
}

SDK代码示例

SDK代码示例如下。

Kafka控制台发送消息

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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.kafka.v2.region.KafkaRegion;
import com.huaweicloud.sdk.kafka.v2.*;
import com.huaweicloud.sdk.kafka.v2.model.*;

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

public class SendKafkaMessageSolution {

    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);

        KafkaClient client = KafkaClient.newBuilder()
                .withCredential(auth)
                .withRegion(KafkaRegion.valueOf("<YOUR REGION>"))
                .build();
        SendKafkaMessageRequest request = new SendKafkaMessageRequest();
        request.withInstanceId("{instance_id}");
        SendKafkaMessageRequestBody body = new SendKafkaMessageRequestBody();
        List<SendKafkaMessageRequestBodyPropertyList> listbodyPropertyList = new ArrayList<>();
        listbodyPropertyList.add(
            new SendKafkaMessageRequestBodyPropertyList()
                .withName("KEY")
                .withValue("testKey")
        );
        listbodyPropertyList.add(
            new SendKafkaMessageRequestBodyPropertyList()
                .withName("PARTITION")
                .withValue("0")
        );
        body.withPropertyList(listbodyPropertyList);
        body.withBody("hello world");
        body.withTopic("XXXX");
        request.withBody(body);
        try {
            SendKafkaMessageResponse response = client.sendKafkaMessage(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());
        }
    }
}

Kafka控制台发送消息

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# coding: utf-8

from huaweicloudsdkcore.auth.credentials import BasicCredentials
from huaweicloudsdkkafka.v2.region.kafka_region import KafkaRegion
from huaweicloudsdkcore.exceptions import exceptions
from huaweicloudsdkkafka.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 = __import__('os').getenv("CLOUD_SDK_AK")
    sk = __import__('os').getenv("CLOUD_SDK_SK")
    projectId = "{project_id}"

    credentials = BasicCredentials(ak, sk, projectId) \

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

    try:
        request = SendKafkaMessageRequest()
        request.instance_id = "{instance_id}"
        listPropertyListbody = [
            SendKafkaMessageRequestBodyPropertyList(
                name="KEY",
                value="testKey"
            ),
            SendKafkaMessageRequestBodyPropertyList(
                name="PARTITION",
                value="0"
            )
        ]
        request.body = SendKafkaMessageRequestBody(
            property_list=listPropertyListbody,
            body="hello world",
            topic="XXXX"
        )
        response = client.send_kafka_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)

Kafka控制台发送消息

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package main

import (
	"fmt"
	"github.com/huaweicloud/huaweicloud-sdk-go-v3/core/auth/basic"
    kafka "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/kafka/v2"
	"github.com/huaweicloud/huaweicloud-sdk-go-v3/services/kafka/v2/model"
    region "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/kafka/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 := kafka.NewKafkaClient(
        kafka.KafkaClientBuilder().
            WithRegion(region.ValueOf("<YOUR REGION>")).
            WithCredential(auth).
            Build())

    request := &model.SendKafkaMessageRequest{}
	request.InstanceId = "{instance_id}"
	namePropertyList:= "KEY"
	valuePropertyList:= "testKey"
	namePropertyList1:= "PARTITION"
	valuePropertyList1:= "0"
	var listPropertyListbody = []model.SendKafkaMessageRequestBodyPropertyList{
        {
            Name: &namePropertyList,
            Value: &valuePropertyList,
        },
        {
            Name: &namePropertyList1,
            Value: &valuePropertyList1,
        },
    }
	request.Body = &model.SendKafkaMessageRequestBody{
		PropertyList: listPropertyListbody,
		Body: "hello world",
		Topic: "XXXX",
	}
	response, err := client.SendKafkaMessage(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

生产消息成功

错误码

请参见错误码

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