Updated on 2024-11-06 GMT+08:00

Stopping a Data Migration Task

Function

This API is used to stop a data migration task.

Calling Method

For details, see Calling APIs.

URI

POST /v2/{project_id}/migration-task/{task_id}/stop

Table 1 Path Parameters

Parameter

Mandatory

Type

Description

project_id

Yes

String

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

task_id

Yes

String

Task ID

Request Parameters

None

Response Parameters

Status code: 200

Table 2 Response body parameters

Parameter

Type

Description

task_id

String

Migration task ID.

task_name

String

Migration task name.

description

String

Migration task description.

status

String

Migration task status. The value can be SUCCESS, FAILED, MIGRATING, TERMINATED, TERMINATING, INCRMIGRATING, FULLMIGRATING, RUNNING (pending configuration), MIGRATION_FAILED, or RELEASED.

migration_type

String

Migration mode, which can be backup file import or online migration.

migration_method

String

Type of the migration, which can be full migration or incremental migration.

ecs_tenant_private_ip

String

Private IP address of the migration ECS on the tenant side. This IP address can be added to the whitelist if it is in the same VPC as the private IP address of the target or source Redis.

backup_files

BackupFilesBody object

Backup files to be imported when the migration mode is backup file import.

network_type

String

Network type, which can be VPC or VPN.

source_instance

SourceInstanceBody object

Source Redis information. This parameter is mandatory for online migration.

target_instance

TargetInstanceBody object

Target Redis instance information.

created_at

String

Time when the migration task is created.

updated_at

String

Time when the migration task is complete.

released_at

String

Time when the migration ECS is released.

version

String

Version.

resume_mode

String

Operation mode, which can be auto or manual.

supported_features

Array of strings

Supported features.

tenant_vpc_id

String

VPC ID.

tenant_subnet_id

String

Subnet ID.

tenant_security_group_id

String

Security group ID.

bandwidth_limit_mb

String

Maximum bandwidth.

task_status

String

Task status. EXCHANGING is returned only when IP addresses are being switched.

Table 3 BackupFilesBody

Parameter

Type

Description

file_source

String

Data source, which can be an OBS bucket or a backup record.

bucket_name

String

Name of the OBS bucket.

files

Array of Files objects

List of backup files to be imported. This parameter is mandatory when the data source is an OBS bucket.

backup_id

String

Backup record ID. This parameter is mandatory when the data source is a backup record.

Table 4 Files

Parameter

Type

Description

file_name

String

Name of a backup file.

size

String

File size in bytes.

update_at

String

Time when the file was last modified. The format is YYYY-MM-DD HH:MM:SS.

Table 5 SourceInstanceBody

Parameter

Type

Description

addrs

String

Source Redis address (specified in the source_instance parameter).

password

String

Redis password. If a password is set, this parameter is mandatory.

task_status

String

Task status.

id

String

Redis instance ID.

ip

String

Redis IP address.

port

String

Redis port.

name

String

Redis name.

proxy_multi_db

Boolean

Indicates whether multi-DB is enabled for Proxy Cluster DCS instances.

db

String

Redis database.

Table 6 TargetInstanceBody

Parameter

Type

Description

id

String

Redis instance ID (mandatory in the target_instance parameter).

name

String

Redis instance name (specified in the target_instance parameter).

password

String

Redis password. If a password is set, this parameter is mandatory.

task_status

String

Task status.

ip

String

Redis IP address.

port

String

Redis port.

addrs

String

Redis instance address.

proxy_multi_db

Boolean

Indicates whether multi-DB is enabled for Proxy Cluster DCS instances.

db

String

Redis database.

Status code: 400

Table 7 Response body parameters

Parameter

Type

Description

error_msg

String

Error message.

error_code

String

Error code.

error_ext_msg

String

Extended error information. This parameter is not used currently and is set to null.

Status code: 401

Table 8 Response body parameters

Parameter

Type

Description

error_msg

String

Error message.

error_code

String

Error code.

error_ext_msg

String

Extended error information. This parameter is not used currently and is set to null.

Status code: 403

Table 9 Response body parameters

Parameter

Type

Description

error_msg

String

Error message.

error_code

String

Error code.

error_ext_msg

String

Extended error information. This parameter is not used currently and is set to null.

Status code: 404

Table 10 Response body parameters

Parameter

Type

Description

error_msg

String

Error message.

error_code

String

Error code.

error_ext_msg

String

Extended error information. This parameter is not used currently and is set to null.

Status code: 500

Table 11 Response body parameters

Parameter

Type

Description

error_msg

String

Error message.

error_code

String

Error code.

error_ext_msg

String

Extended error information. This parameter is not used currently and is set to null.

Example Requests

POST https://{dcs_endpoint}/v2/666486c2d9b948c1bbea57e714d744fa/migration-task/2fb6b7e2-5eb8-4380-9d60-ce8d12b19aca/stop

Example Responses

Status code: 200

Data migration task stopped successfully.

{
  "task_name" : "migration1",
  "task_id" : "a276c1ffa0a54c2597fc824b917db317",
  "status" : "TERMINATING",
  "migration_type" : "incremental_migration",
  "network_type" : "vpc",
  "source_instance" : {
    "addrs" : "192.168.1.2:6379",
    "id" : "86157b69-8a62-47f9-8c55-fa6ddc8927e1",
    "name" : "dcs-test",
    "ip" : "192.168.1.2",
    "port" : "6379",
    "proxy_multi_db" : false,
    "password" : "DCStest123",
    "task_status" : "RUNNING",
    "db" : "0"
  },
  "target_instance" : {
    "addrs" : "192.168.1.2:6379",
    "id" : "86157b69-8a62-47f9-8c55-fa6ddc8927ee",
    "name" : "test-instance",
    "ip" : "192.168.1.2",
    "port" : "6379",
    "proxy_multi_db" : false,
    "password" : "DCStest123",
    "task_status" : "RUNNING",
    "db" : "0"
  },
  "created_at" : "2019/10/22 14:44:30",
  "updated_at" : "2019/10/22 18:00:00"
}

SDK Sample Code

The SDK sample code is as follows.

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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.dcs.v2.region.DcsRegion;
import com.huaweicloud.sdk.dcs.v2.*;
import com.huaweicloud.sdk.dcs.v2.model.*;


public class StopMigrationTaskSolution {

    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);

        DcsClient client = DcsClient.newBuilder()
                .withCredential(auth)
                .withRegion(DcsRegion.valueOf("<YOUR REGION>"))
                .build();
        StopMigrationTaskRequest request = new StopMigrationTaskRequest();
        request.withTaskId("{task_id}");
        try {
            StopMigrationTaskResponse response = client.stopMigrationTask(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());
        }
    }
}
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# coding: utf-8

import os
from huaweicloudsdkcore.auth.credentials import BasicCredentials
from huaweicloudsdkdcs.v2.region.dcs_region import DcsRegion
from huaweicloudsdkcore.exceptions import exceptions
from huaweicloudsdkdcs.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 = DcsClient.new_builder() \
        .with_credentials(credentials) \
        .with_region(DcsRegion.value_of("<YOUR REGION>")) \
        .build()

    try:
        request = StopMigrationTaskRequest()
        request.task_id = "{task_id}"
        response = client.stop_migration_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)
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package main

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

    request := &model.StopMigrationTaskRequest{}
	request.TaskId = "{task_id}"
	response, err := client.StopMigrationTask(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

Data migration task stopped successfully.

400

Invalid request.

401

Invalid authentication information.

403

The request is rejected.

404

The requested resource is not found.

500

Internal service error.

Error Codes

See Error Codes.