Updated on 2025-12-08 GMT+08:00

Querying the Scheduled Task List of an Instance

Function

This API is used to query the scheduled task list of an instance.

Calling Method

For details, see Calling APIs.

Authorization Information

Each account has all the permissions required to call all APIs, but IAM users must be assigned the required permissions.

  • If you are using role/policy-based authorization, see Permissions Policies and Supported Actions for details on the required permissions.
  • If you are using identity policy-based authorization, no identity policy-based permission required for calling this API.

URI

GET /v2/{project_id}/instances/{instance_id}/scheduled-tasks

Table 1 Path Parameters

Parameter

Mandatory

Type

Description

project_id

Yes

String

Definition

Project ID. For details, see Obtaining a Project ID.

Constraints

N/A

Range

N/A

Default Value

N/A

instance_id

Yes

String

Definition

Instance ID. You can call the API for querying all instances to obtain the instance ID. The instance ID is in the response body.

Constraints

N/A

Range

N/A

Default Value

N/A

Table 2 Query Parameters

Parameter

Mandatory

Type

Description

start

No

String

Definition

No. of the scheduled task to start the query.

Constraints

N/A

Range

N/A

Default Value

N/A

limit

No

String

Definition

Number of scheduled tasks to be queried.

Constraints

N/A

Range

N/A

Default Value

N/A

begin_time

No

String

Definition

Time of a scheduled task where the query starts. The format is YYYYMMDDHHmmss.

Constraints

N/A

Range

N/A

Default Value

N/A

end_time

No

String

Definition

Time of a scheduled task where the query ends. The format is YYYYMMDDHHmmss.

Constraints

N/A

Range

N/A

Default Value

N/A

Request Parameters

None

Response Parameters

Status code: 200

Table 3 Response body parameters

Parameter

Type

Description

job_count

String

Definition

Total number of tasks.

Range

N/A

jobs

Array of ScheduledTaskEntity objects

Definition

Task list.

Table 4 ScheduledTaskEntity

Parameter

Type

Description

id

String

Definition

Task ID.

Range

N/A

name

String

Definition

Task name.

Range

N/A

user_name

String

Definition

Username.

Range

N/A

user_id

String

Definition

User ID.

Range

N/A

params

String

Definition

Task parameter.

Range

N/A

status

String

Definition

Task status.

Range

  • CREATED: The scheduled task is created.

  • SUCCESS: The scheduled task is successful.

  • FAILED: The scheduled task fails.

  • DELETED: The scheduled task is deleted.

  • EXECUTING: The scheduled task is being executed.

  • CANCELLED: The scheduled task is canceled.

created_at

String

Definition

Creation time.

Range

N/A

updated_at

String

Definition

Update time.

Range

N/A

schedule_at

String

Definition

Execution schedule.

Range

N/A

Example Requests

Querying scheduled tasks from 1970.01.01.000000 to 2024.01.01.000000 in pages

/v2/{{project_id}}/instances/{instance_id}/schedule-tasks?start=0&limit=10&beginTime=19700101000000&endTime=20240101000000

Example Responses

Status code: 200

Instance's scheduled task list queried.

{
  "job_count" : 2,
  "jobs" : [ {
    "id" : "ff808082889e267601889e2df7be0013",
    "name" : "kafkaAutoReassignment",
    "user_name" : "paas_dms_03",
    "user_id" : "0b01fbb53600d4671fa8c00673c71260",
    "params" : "{\"reassignment_topics\":\"[topic-1]\"}",
    "status" : "SUCCESS",
    "created_at" : "2023-06-09T03:23:12.702Z",
    "updated_at" : "2023-06-09T03:35:00.067Z",
    "schedule_at" : "2023-06-08T05:08:26.000Z"
  }, {
    "id" : "ff80808288ae8b6a0188ae91f6fc000d",
    "name" : "kafkaAutoReassignment",
    "user_name" : "paas_dms_03",
    "user_id" : "0b01fbb53600d4671fa8c00673c71260",
    "params" : "{\"reassignment_topics\":\"[topic-2]\"}",
    "status" : "CANCELLED",
    "created_at" : "2023-06-12T07:46:21.564Z",
    "updated_at" : "2023-06-12T09:46:38.701Z",
    "schedule_at" : "2032-12-10T13:45:07.000Z"
  } ]
}

SDK Sample Code

The SDK sample code is as follows.

 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
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 ListScheduledTasksSolution {

    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();
        ListScheduledTasksRequest request = new ListScheduledTasksRequest();
        request.withInstanceId("{instance_id}");
        try {
            ListScheduledTasksResponse response = client.listScheduledTasks(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());
        }
    }
}
 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
# coding: utf-8

import os
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 = os.environ["CLOUD_SDK_AK"]
    sk = os.environ["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 = ListScheduledTasksRequest()
        request.instance_id = "{instance_id}"
        response = client.list_scheduled_tasks(request)
        print(response)
    except exceptions.ClientRequestException as e:
        print(e.status_code)
        print(e.request_id)
        print(e.error_code)
        print(e.error_msg)
 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
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.ListScheduledTasksRequest{}
	request.InstanceId = "{instance_id}"
	response, err := client.ListScheduledTasks(request)
	if err == nil {
        fmt.Printf("%+v\n", response)
    } else {
        fmt.Println(err)
    }
}

For SDK sample code of more programming languages, see the Sample Code tab in API Explorer. SDK sample code can be automatically generated.

Status Codes

Status Code

Description

200

Instance's scheduled task list queried.

Error Codes

See Error Codes.