Produção de mensagens para o Kafka
Função
Essa API é usada para enviar mensagens especificadas no console para instâncias do Kafka.
Método de chamada
Para obter detalhes, consulte Chamada de APIs.
URI
POST /v2/{project_id}/instances/{instance_id}/messages/action
Parâmetro |
Obrigatório |
Tipo |
Descrição |
---|---|---|---|
project_id |
Sim |
String |
ID do projeto. Para obter detalhes sobre como obtê-lo, consulte Obtenção de um ID de projeto. |
instance_id |
Sim |
String |
ID da instância. |
Parâmetro |
Obrigatório |
Tipo |
Descrição |
---|---|---|---|
action_id |
Sim |
String |
ID da ação, que é send para produção. |
Parâmetros de solicitação
Parâmetro |
Obrigatório |
Tipo |
Descrição |
---|---|---|---|
topic |
Sim |
String |
Tópicos do Kafka. |
body |
Sim |
String |
Conteúdo da mensagem. |
property_list |
Sim |
Array of property_list objects |
Informações sobre a partição do tópico. |
Parâmetros de resposta
Código de status: 200
Parâmetro |
Tipo |
Descrição |
---|---|---|
topic |
String |
Tópico do Kafka. |
body |
String |
Conteúdo da mensagem. |
property_list |
Array of objects |
Informações sobre a partição do tópico. |
Exemplo de solicitações
Envio de mensagens no console do Kafka
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" } ] }
Exemplo de respostas
Código de status: 200
Mensagem produzida.
{ "topic" : "XXXX", "body" : "XXXX", "property_list" : [ ] }
Código de exemplo do SDK
O código de exemplo do SDK é o seguinte.
Java
Envio de mensagens no console do Kafka
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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()); } } } |
Python
Envio de mensagens no console do Kafka
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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) |
Go
Envio de mensagens no console do Kafka
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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) } } |
Mais
Para obter o código de exemplo do SDK de mais linguagens de programação, consulte a guia Código de exemplo no API Explorer. O código de exemplo do SDK pode ser gerado automaticamente.
Códigos de status
Código de status |
Descrição |
---|---|
200 |
Mensagem produzida. |
Códigos de erro
Consulte Códigos de erro.