Help Center> Distributed Cache Service> API Reference (Kuala Lumpur Region)> Data Migration APIs> Creating a Data Migration Task
Updated on 2022-08-06 GMT+08:00
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Creating a Data Migration Task

Function

This API is used to create a data migration task.

Constraints

None

URI

POST /v2/{project_id}/migration-task

Table 1 URI parameter

Parameter

Mandatory

Type

Description

project_id

Yes

String

Project ID.

For details about how to obtain the project ID, see Obtaining a Project ID.

Request

Table 2 Request body parameter description

Parameter

Mandatory

Type

Description

task_name

Yes

String

Name of the migration task.

description

No

String

Description of the migration task.

migration_type

Yes

String

Mode of the migration.

Options:

  • backupfile_import: indicates importing backup files.
  • online_migration: indicates migrating data online.

migration_method

Yes

String

Type of the migration.

Options:

  • full_amount_migration: indicates a full migration.
  • incremental_migration: indicates an incremental migration.

backup_files

No

BackupFilesBody Object

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

network_type

No

String

Type of the network for communication between the source and destination Redis when the migration mode is online data migration.

Options:

  • vpc
  • vpn

source_instance

No

SourceInstanceBody Object

Source Redis information. This parameter is mandatory when the migration mode is online data migration.

target_instance

Yes

TargetInstanceBody Object

Destination Redis instance information.
Table 3 BackupFilesBody

Parameter

Mandatory

Type

Description

file_source

No

String

Data source. Currently, only OBS buckets are supported. The value is self_build_obs.

bucket_name

Yes

String

OBS bucket name.

files

Yes

Array of Files Objects

List of backup files to be imported.
Table 4 Files

Parameter

Mandatory

Type

Description

file_name

Yes

String

Name of a backup file.

size

No

String

File size in bytes.

update_at

No

String

Time when the file is last modified. The format is YYYY-MM-DD HH:MM:SS.
Table 5 SourceInstanceBody

Parameter

Mandatory

Type

Description

addrs

Yes

String

Source Redis name (specified in the source_instance parameter).

password

No

String

Redis password. If a password is set, this parameter is mandatory.
Table 6 TargetInstanceBody

Parameter

Mandatory

Type

Description

id

Yes

String

Destination Redis instance ID (mandatory in the target_instance parameter).

name

No

String

Destination Redis instance name (specified in the target_instance parameter).

password

No

String

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

Response

If the status code is 200, the following parameters are returned:

Table 7 Parameter description

Parameter

Type

Description

id

String

ID of the migration task.

name

String

Name of the migration task.

status

String

Migration task status. The value can be:

  • SUCCESS: Migration succeeded.
  • FAILED: Migration failed.
  • MIGRATING: Migration is in progress.
  • TERMINATED: Migration has been stopped.
  • TERMINATING: Migration is being stopped.
  • RUNNING: The migration task has been created and is waiting to be executed.
  • CREATING: The migration task is being created.
  • FULLMIGRATING: Full migration is in progress.
  • INCRMIGEATING: Incremental migration is in progress.
  • ERROR: faulty
  • DELETED: faulty
  • RELEASED: automatically released
  • MIGRATION_SUCCESS: The migration is successful, and resources are to be cleared.
  • MIGRATION_FAILED: The migration failed, and resources are to be cleared.

Example Request

  • Example request URL:
    POST https://{dcs_endpoint}/v2/{project_id}/migration-task
  • Example request 1 (online migration)
    { 
  "task_name" : "lmd-test", 
  "description" : "Test", 
  "migration_type" : "online_migration", 
  "migration_method" : "full_amount_migration", 
  "network_type" : "vpc", 
  "source_instance" : { 
    "addrs" : "192.168.1.135:6379", 
    "password" : "xxxxxx" 
  }, 
  "target_instance" : { 
    "name" : "dcs-test", 
    "id" : "4cd5dbb8-aacd-4603-b817-3e97d48c7a20" 
  } 
}
  • Example request 2 (importing a backup file)
    {
 "backup_files": {
  "bucket_name": "bucket-lmz",
  "file_source": "self_build_obs",
  "files": [
   {
    "file_name": "appendonly03.aof"
   }
  ]
 },
 "migration_method": "full_amount_migration",
 "migration_type": "backupfile_import",
 "target_instance": {
  "id": "318ed365-3c1b-42d7-a5b6-663dded628a0"
 },
 "task_name": "lmd-test"
}

Example Response

If the status code is 200, the data migration task is successfully created.

{ 
  "id" : "8aa6999e71cb638b0171f485f5266ef0", 
  "name" : "lmd-test", 
  "status" : "MIGRATING" 
}

Status Code

Status Code

Description

200

Data migration task created successfully.

400

Invalid request.

500

Internal service error.

Error Codes

For details, see Error Codes.

Parent topic: Data Migration APIs