查询Checkpoint详情
功能介绍
本接口用于查询Checkpoint详情。
调用方法
请参见如何调用API。
URI
GET /v2/{project_id}/checkpoints
参数 |
是否必选 |
参数类型 |
描述 |
---|---|---|---|
project_id |
是 |
String |
项目ID。 |
参数 |
是否必选 |
参数类型 |
描述 |
---|---|---|---|
stream_name |
是 |
String |
该Checkpoint所属的通道名称。 |
partition_id |
是 |
String |
该Checkpoint所属的通道分区标识符。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 |
app_name |
是 |
String |
该Checkpoint关联App名称。 |
checkpoint_type |
是 |
String |
Checkpoint类型。
枚举值:
|
请求参数
参数 |
是否必选 |
参数类型 |
描述 |
---|---|---|---|
X-Auth-Token |
是 |
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
参数 |
参数类型 |
描述 |
---|---|---|
sequence_number |
String |
序列号,用来记录该通道的消费检查点。 |
metadata |
String |
用户消费程序端的元数据信息。 |
请求示例
查询Checkpoint详情
GET https://{Endpoint}/v2/{project_id}/checkpoints
响应示例
状态码: 200
正常返回
{ "sequence_number" : "newstram", "metadata" : "" }
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 ShowCheckpointSolution { 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(); ShowCheckpointRequest request = new ShowCheckpointRequest(); request.withStreamName("<stream_name>"); request.withPartitionId("<partition_id>"); request.withAppName("<app_name>"); request.withCheckpointType(ShowCheckpointRequest.CheckpointTypeEnum.fromValue("<checkpoint_type>")); try { ShowCheckpointResponse response = client.showCheckpoint(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 import os 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 = os.environ["CLOUD_SDK_AK"] sk = os.environ["CLOUD_SDK_SK"] credentials = BasicCredentials(ak, sk) client = DisClient.new_builder() \ .with_credentials(credentials) \ .with_region(DisRegion.value_of("<YOUR REGION>")) \ .build() try: request = ShowCheckpointRequest() request.stream_name = "<stream_name>" request.partition_id = "<partition_id>" request.app_name = "<app_name>" request.checkpoint_type = "<checkpoint_type>" response = client.show_checkpoint(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.ShowCheckpointRequest{} request.StreamName = "<stream_name>" request.PartitionId = "<partition_id>" request.AppName = "<app_name>" request.CheckpointType = model.GetShowCheckpointRequestCheckpointTypeEnum().<CHECKPOINT_TYPE> response, err := client.ShowCheckpoint(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。