Updated on 2026-02-27 GMT+08:00

Update the Traffic Limiting Rules of a Migration Task

Function

This API is used to update the traffic limiting rules for a migration task before it is completed.

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, the following identity policy-based permissions are required.

    Action

    Access Level

    Resource Type (*: required)

    Condition Key

    Alias

    Dependencies

    oms:task:update

    Write

    task *

    -

    -

    -

URI

PUT /v2/{project_id}/tasks/{task_id}/bandwidth-policy

Table 1 Path Parameters

Parameter

Mandatory

Type

Description

project_id

Yes

String

The project ID.

Minimum: 1

Maximum: 1024

task_id

Yes

Long

The task ID.

Minimum: 0

Maximum: 999999999999999

Request Parameters

Table 2 Request header parameters

Parameter

Mandatory

Type

Description

X-Auth-Token

Yes

String

The token used for IAM authentication.

Minimum: 1

Maximum: 16384

Table 3 Request body parameters

Parameter

Mandatory

Type

Description

bandwidth_policy

Yes

Array of BandwidthPolicyDto objects

The traffic limiting rules. Each element in the array corresponds to the maximum bandwidth in a time period. A maximum of five periods are allowed, and the periods cannot overlap.

Array Length: 0 - 5

Table 4 BandwidthPolicyDto

Parameter

Mandatory

Type

Description

end

Yes

String

The time when traffic limiting is ended. The format is hh:mm, for example, 12:03.

max_bandwidth

Yes

Long

The maximum traffic bandwidth allowed in the specified period. The unit is byte/s. The value ranges from 1,048,576 bytes/s (equivalent to 1 MB/s) to 209,715,200 bytes/s (equivalent to 200 MB/s).

Minimum: 1048576

Maximum: 209715200

start

Yes

String

The time when traffic limiting is started. The format is hh:mm, for example, 12:03.

Response Parameters

Status code: 200

OK

Status code: 400

Table 5 Response body parameters

Parameter

Type

Description

error_msg

String

Error message.

error_code

String

Error code.

Example Requests

This example updates the traffic limiting rule of task xxxxxxxx by setting start to 00:01, end to 23:59, and max_bandwidth to 50 MB/s.

/v2/{project_id}/tasks/xxxxxxxx/bandwidth-policy

{
  "bandwidth_policy" : [ {
    "start" : "00:01",
    "end" : "23:59",
    "max_bandwidth" : 50000000
  } ]
}

Example Responses

None

SDK Sample Code

The SDK sample code is as follows.

This example updates the traffic limiting rule of task xxxxxxxx by setting start to 00:01, end to 23:59, and max_bandwidth to 50 MB/s.

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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.oms.v2.region.OmsRegion;
import com.huaweicloud.sdk.oms.v2.*;
import com.huaweicloud.sdk.oms.v2.model.*;

import java.util.List;
import java.util.ArrayList;

public class UpdateBandwidthPolicySolution {

    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);

        OmsClient client = OmsClient.newBuilder()
                .withCredential(auth)
                .withRegion(OmsRegion.valueOf("<YOUR REGION>"))
                .build();
        UpdateBandwidthPolicyRequest request = new UpdateBandwidthPolicyRequest();
        request.withTaskId({task_id}L);
        UpdateBandwidthPolicyReq body = new UpdateBandwidthPolicyReq();
        List<BandwidthPolicyDto> listbodyBandwidthPolicy = new ArrayList<>();
        listbodyBandwidthPolicy.add(
            new BandwidthPolicyDto()
                .withEnd("23:59")
                .withMaxBandwidth(50000000L)
                .withStart("00:01")
        );
        body.withBandwidthPolicy(listbodyBandwidthPolicy);
        request.withBody(body);
        try {
            UpdateBandwidthPolicyResponse response = client.updateBandwidthPolicy(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());
        }
    }
}

This example updates the traffic limiting rule of task xxxxxxxx by setting start to 00:01, end to 23:59, and max_bandwidth to 50 MB/s.

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# coding: utf-8

import os
from huaweicloudsdkcore.auth.credentials import BasicCredentials
from huaweicloudsdkoms.v2.region.oms_region import OmsRegion
from huaweicloudsdkcore.exceptions import exceptions
from huaweicloudsdkoms.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 = OmsClient.new_builder() \
        .with_credentials(credentials) \
        .with_region(OmsRegion.value_of("<YOUR REGION>")) \
        .build()

    try:
        request = UpdateBandwidthPolicyRequest()
        request.task_id = {task_id}
        listBandwidthPolicybody = [
            BandwidthPolicyDto(
                end="23:59",
                max_bandwidth=50000000,
                start="00:01"
            )
        ]
        request.body = UpdateBandwidthPolicyReq(
            bandwidth_policy=listBandwidthPolicybody
        )
        response = client.update_bandwidth_policy(request)
        print(response)
    except exceptions.ClientRequestException as e:
        print(e.status_code)
        print(e.request_id)
        print(e.error_code)
        print(e.error_msg)

This example updates the traffic limiting rule of task xxxxxxxx by setting start to 00:01, end to 23:59, and max_bandwidth to 50 MB/s.

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package main

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

    request := &model.UpdateBandwidthPolicyRequest{}
	request.TaskId = int64({task_id})
	var listBandwidthPolicybody = []model.BandwidthPolicyDto{
        {
            End: "23:59",
            MaxBandwidth: int64(50000000),
            Start: "00:01",
        },
    }
	request.Body = &model.UpdateBandwidthPolicyReq{
		BandwidthPolicy: listBandwidthPolicybody,
	}
	response, err := client.UpdateBandwidthPolicy(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

OK

400

Bad Request

Error Codes

See Error Codes.