更新时间:2024-03-15 GMT+08:00
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创建转储任务

功能介绍

创建转储任务。

当前页面API为历史版本API,未来可能停止维护。请使用开启Smart Connect(按需实例)

调用方法

请参见如何调用API

URI

POST /v2/{project_id}/connectors/{connector_id}/sink-tasks

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

connector_id

String

实例转储ID。

请参考查询实例返回的数据。

请求参数

表2 请求Body参数

参数

是否必选

参数类型

描述

source_type

String

源数据类型,目前只支持BLOB。

task_name

String

转储任务名称。

destination_type

String

转存的目标类型,当前只支持OBS。

obs_destination_descriptor

ObsDestinationDescriptor object

转存目标的描述。

表3 ObsDestinationDescriptor

参数

是否必选

参数类型

描述

topics

String

转存的topic列表名称,支持输入多个topic,以逗号“,”分隔。同时支持正则表达式。

topics_regex

String

转存topic的正则表达式,与topics必须二选一,不能同时都设置或者“.*”。

consumer_strategy

String

转储启动偏移量:

  • latest: 从Topic最后端开始消费。
  • earliest: 从Topic最前端消息开始消费。

默认是latest。

destination_file_type

String

转储文件格式。当前只支持text。

access_key

String

访问密钥AK。

secret_key

String

访问密钥SK。

obs_bucket_name

String

存储该通道数据的OBS桶名称。

obs_path

String

存储在obs的路径,默认可以不填。

取值范围:英文字母、数字、下划线、中划线和斜杠,最大长度为64个字符。

默认配置为空。

partition_format

String

将转储文件的生成时间使用“yyyy/MM/dd/HH/mm”格式生成分区字符串,用来定义写到OBS的Object文件所在的目录层次结构。

  • yyyy:年
  • yyyy/MM:年/月
  • yyyy/MM/dd:年/月/日
  • yyyy/MM/dd/HH:年/月/日/时
  • yyyy/MM/dd/HH/mm:年/月/日/时/分,例如:2017/11/10/14/49,目录结构就是“2017 > 11 > 10 > 14 > 49”,“2017”表示最外层文件夹。
说明:

数据转储成功后,存储的目录结构为“obs_bucket_path/file_prefix/partition_format”。默认时间是GMT+8 时间

record_delimiter

String

转储文件的记录分隔符,用于分隔写入转储文件的用户数据。

取值范围:

  • 逗号“,”
  • 分号“;”
  • 竖线“|”
  • 换行符“\n”
  • NULL

默认值:换行符“\n”。

deliver_time_interval

Integer

根据用户配置的时间,周期性的将数据导入OBS,若某个时间段内无数据,则此时间段不会生成打包文件。

取值范围:30~900

单位:秒。

说明:

使用OBS通道转储流式数据时该参数为必选配置。

响应参数

状态码: 200

表4 响应Body参数

参数

参数类型

描述

task_id

String

任务ID。

请求示例

创建一个转储任务,转储topic-test中的数据到OBS。

POST https://{endpoint}/v2/{project_id}/connectors/{connector_id}/sink-tasks

{
  "source_type" : "BLOB",
  "task_name" : "obsTransfer-1122976956",
  "destination_type" : "OBS",
  "obs_destination_descriptor" : {
    "consumer_strategy" : "earliest",
    "destination_file_type" : "TEXT",
    "access_key" : "XXXXXXXXXXXXXXXXXXXX",
    "secret_key" : "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX",
    "obs_bucket_name" : "6666",
    "obs_path" : "obsTransfer-1122976956",
    "partition_format" : "yyyy/MM/dd/HH/mm",
    "record_delimiter" : "",
    "deliver_time_interval" : 300,
    "topics" : "topic-test"
  }
}

响应示例

状态码: 200

创建转储任务成功。

{
  "task_id" : "2962882a-386c-4c9d-bb59-3b4f55d82961"
}

SDK代码示例

SDK代码示例如下。

创建一个转储任务,转储topic-test中的数据到OBS。

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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.*;


public class CreateSinkTaskSolution {

    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");

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

        KafkaClient client = KafkaClient.newBuilder()
                .withCredential(auth)
                .withRegion(KafkaRegion.valueOf("<YOUR REGION>"))
                .build();
        CreateSinkTaskRequest request = new CreateSinkTaskRequest();
        CreateSinkTaskReq body = new CreateSinkTaskReq();
        ObsDestinationDescriptor obsDestinationDescriptorbody = new ObsDestinationDescriptor();
        obsDestinationDescriptorbody.withTopics("topic-test")
            .withConsumerStrategy(ObsDestinationDescriptor.ConsumerStrategyEnum.fromValue("earliest"))
            .withDestinationFileType(ObsDestinationDescriptor.DestinationFileTypeEnum.fromValue("TEXT"))
            .withAccessKey("XXXXXXXXXXXXXXXXXXXX")
            .withSecretKey("XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX")
            .withObsBucketName("6666")
            .withObsPath("obsTransfer-1122976956")
            .withPartitionFormat(ObsDestinationDescriptor.PartitionFormatEnum.fromValue("yyyy/MM/dd/HH/mm"))
            .withRecordDelimiter("")
            .withDeliverTimeInterval(300);
        body.withObsDestinationDescriptor(obsDestinationDescriptorbody);
        body.withDestinationType(CreateSinkTaskReq.DestinationTypeEnum.fromValue("OBS"));
        body.withTaskName("obsTransfer-1122976956");
        body.withSourceType(CreateSinkTaskReq.SourceTypeEnum.fromValue("BLOB"));
        request.withBody(body);
        try {
            CreateSinkTaskResponse response = client.createSinkTask(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());
        }
    }
}

创建一个转储任务,转储topic-test中的数据到OBS。

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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")

    credentials = BasicCredentials(ak, sk) \

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

    try:
        request = CreateSinkTaskRequest()
        obsDestinationDescriptorbody = ObsDestinationDescriptor(
            topics="topic-test",
            consumer_strategy="earliest",
            destination_file_type="TEXT",
            access_key="XXXXXXXXXXXXXXXXXXXX",
            secret_key="XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX",
            obs_bucket_name="6666",
            obs_path="obsTransfer-1122976956",
            partition_format="yyyy/MM/dd/HH/mm",
            record_delimiter="",
            deliver_time_interval=300
        )
        request.body = CreateSinkTaskReq(
            obs_destination_descriptor=obsDestinationDescriptorbody,
            destination_type="OBS",
            task_name="obsTransfer-1122976956",
            source_type="BLOB"
        )
        response = client.create_sink_task(request)
        print(response)
    except exceptions.ClientRequestException as e:
        print(e.status_code)
        print(e.request_id)
        print(e.error_code)
        print(e.error_msg)

创建一个转储任务,转储topic-test中的数据到OBS。

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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")

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

    client := kafka.NewKafkaClient(
        kafka.KafkaClientBuilder().
            WithRegion(region.ValueOf("<YOUR REGION>")).
            WithCredential(auth).
            Build())

    request := &model.CreateSinkTaskRequest{}
	obsPathObsDestinationDescriptor:= "obsTransfer-1122976956"
	recordDelimiterObsDestinationDescriptor:= ""
	obsDestinationDescriptorbody := &model.ObsDestinationDescriptor{
		Topics: "topic-test",
		ConsumerStrategy: model.GetObsDestinationDescriptorConsumerStrategyEnum().EARLIEST,
		DestinationFileType: model.GetObsDestinationDescriptorDestinationFileTypeEnum().TEXT,
		AccessKey: "XXXXXXXXXXXXXXXXXXXX",
		SecretKey: "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX",
		ObsBucketName: "6666",
		ObsPath: &obsPathObsDestinationDescriptor,
		PartitionFormat: model.GetObsDestinationDescriptorPartitionFormatEnum().YYYY_MM_DD_HH_MM,
		RecordDelimiter: &recordDelimiterObsDestinationDescriptor,
		DeliverTimeInterval: int32(300),
	}
	request.Body = &model.CreateSinkTaskReq{
		ObsDestinationDescriptor: obsDestinationDescriptorbody,
		DestinationType: model.GetCreateSinkTaskReqDestinationTypeEnum().OBS,
		TaskName: "obsTransfer-1122976956",
		SourceType: model.GetCreateSinkTaskReqSourceTypeEnum().BLOB,
	}
	response, err := client.CreateSinkTask(request)
	if err == nil {
        fmt.Printf("%+v\n", response)
    } else {
        fmt.Println(err)
    }
}

状态码

状态码

描述

200

创建转储任务成功。

错误码

请参见错误码

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