更新时间:2024-02-05 GMT+08:00
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查看App消费状态

功能介绍

本接口用于查询APP消费状态。

调用方法

请参见如何调用API

URI

GET /v2/{project_id}/apps/{app_name}/streams/{stream_name}

表1 路径参数

参数

是否必选

参数类型

描述

project_id

String

项目ID。

app_name

String

需要查询的App名称。

stream_name

String

需要查询的通道名称。

最大长度:60

表2 Query参数

参数

是否必选

参数类型

描述

limit

Integer

单次请求返回的最大分区数。最小值是1,最大值是1000;默认值是100。

最小值:1

最大值:1000

缺省值:100

start_partition_id

String

从该分区值开始返回分区列表,返回的分区列表不包括此分区。

checkpoint_type

String

Checkpoint类型。

  • LAST_READ:在数据库中只记录序列号。

枚举值:

  • LAST_READ

请求参数

表3 请求Header参数

参数

是否必选

参数类型

描述

X-Auth-Token

String

用户Token。

通过调用IAM服务获取用户Token接口获取(响应消息头中X-Subject-Token的值)。

响应参数

状态码: 200

表4 响应Body参数

参数

参数类型

描述

has_more

Boolean

是否还有更多满足条件的App。

  • true:是。

  • false:否。

stream_name

String

要查询的通道名称。

最大长度:64

app_name

String

要查询的APP的名称,用户数据消费程序的唯一标识符。

partition_consuming_states

Array of PartitionConsumingStates objects

当前分区消费状态.

表5 PartitionConsumingStates

参数

参数类型

描述

partition_id

String

通道的分区标识符。可定义为如下两种样式:- shardId-0000000000- 0比如一个通道有三个分区,那么分区标识符分别为0, 1, 2,或者shardId-0000000000, shardId-0000000001, shardId-0000000002

sequence_number

String

需要提交的序列号,用来记录该通道的消费检查点,需要保证该序列号处于有效范围内。

latest_offset

Long

索引位置, 最新的一条索引位置。

earliest_offset

Long

索引位置, 最早的一条索引位置。

checkpoint_type

String

Checkpoint类型。

  • LAST_READ:在数据库中只记录序列号。

枚举值:

  • LAST_READ

status

String

分区的当前状态。

  • CREATING:创建中

  • ACTIVE:可用

  • DELETED:删除中

  • EXPIRED:已过期

枚举值:

  • CREATING

  • ACTIVE

  • DELETED

  • EXPIRED

请求示例

查询App消费状态

GET https://{Endpoint}/v2/{project_id}/apps/{app_name}/streams/{stream_name}

响应示例

状态码: 200

正常返回

{
  "has_more" : false,
  "stream_name" : "disMonitorTest",
  "app_name" : "4aSiZ",
  "partition_consuming_states" : [ {
    "partition_id" : 0,
    "sequence_number" : -1,
    "latest_offset" : 1658297359,
    "earliest_offset" : 1653120573,
    "checkpoint_type" : "LAST_READ",
    "status" : "ACTIVE"
  } ]
}

SDK代码示例

SDK代码示例如下。

Java

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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.dis.v2.region.disRegion;
import com.huaweicloud.sdk.dis.v2.*;
import com.huaweicloud.sdk.dis.v2.model.*;


public class ShowConsumerStateSolution {

    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);

        disClient client = disClient.newBuilder()
                .withCredential(auth)
                .withRegion(disRegion.valueOf("<YOUR REGION>"))
                .build();
        ShowConsumerStateRequest request = new ShowConsumerStateRequest();
        request.withLimit(<limit>);
        request.withStartPartitionId("<start_partition_id>");
        request.withCheckpointType(ShowConsumerStateRequest.CheckpointTypeEnum.fromValue("<checkpoint_type>"));
        try {
            ShowConsumerStateResponse response = client.showConsumerState(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

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# coding: utf-8

from huaweicloudsdkcore.auth.credentials import BasicCredentials
from huaweicloudsdkdis.v2.region.dis_region import disRegion
from huaweicloudsdkcore.exceptions import exceptions
from huaweicloudsdkdis.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 = disClient.new_builder() \
        .with_credentials(credentials) \
        .with_region(disRegion.value_of("<YOUR REGION>")) \
        .build()

    try:
        request = ShowConsumerStateRequest()
        request.limit = <limit>
        request.start_partition_id = "<start_partition_id>"
        request.checkpoint_type = "<checkpoint_type>"
        response = client.show_consumer_state(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

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package main

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

    request := &model.ShowConsumerStateRequest{}
	limitRequest:= int32(<limit>)
	request.Limit = &limitRequest
	startPartitionIdRequest:= "<start_partition_id>"
	request.StartPartitionId = &startPartitionIdRequest
	request.CheckpointType = model.GetShowConsumerStateRequestCheckpointTypeEnum().<CHECKPOINT_TYPE>
	response, err := client.ShowConsumerState(request)
	if err == nil {
        fmt.Printf("%+v\n", response)
    } else {
        fmt.Println(err)
    }
}

更多

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

正常返回

错误码

请参见错误码

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