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Database Autonomy Service:AddHDMInstance

Last Updated:Apr 14, 2026

Adds a database instance to Database Autonomy Service (DAS).

Operation description

Before you call this operation, take note of the following items:

  • If you use an Alibaba Cloud SDK or a DAS SDK to call this operation, we recommend that you use the latest version of the SDK.

  • If you use an SDK to call DAS, you must set the region to cn-shanghai.

Try it now

Try this API in OpenAPI Explorer, no manual signing needed. Successful calls auto-generate SDK code matching your parameters. Download it with built-in credential security for local usage.

Test

RAM authorization

The table below describes the authorization required to call this API. You can define it in a Resource Access Management (RAM) policy. The table's columns are detailed below:

  • Action: The actions can be used in the Action element of RAM permission policy statements to grant permissions to perform the operation.

  • API: The API that you can call to perform the action.

  • Access level: The predefined level of access granted for each API. Valid values: create, list, get, update, and delete.

  • Resource type: The type of the resource that supports authorization to perform the action. It indicates if the action supports resource-level permission. The specified resource must be compatible with the action. Otherwise, the policy will be ineffective.

    • For APIs with resource-level permissions, required resource types are marked with an asterisk (*). Specify the corresponding Alibaba Cloud Resource Name (ARN) in the Resource element of the policy.

    • For APIs without resource-level permissions, it is shown as All Resources. Use an asterisk (*) in the Resource element of the policy.

  • Condition key: The condition keys defined by the service. The key allows for granular control, applying to either actions alone or actions associated with specific resources. In addition to service-specific condition keys, Alibaba Cloud provides a set of common condition keys applicable across all RAM-supported services.

  • Dependent action: The dependent actions required to run the action. To complete the action, the RAM user or the RAM role must have the permissions to perform all dependent actions.

Action

Access level

Resource type

Condition key

Dependent action

hdm:AddHDMInstance

create

*All Resource

*

None None

Request parameters

Parameter

Type

Required

Description

Example

__context

string

No

The reserved parameter.

None

InstanceArea

string

Yes

The type of the instance on which the database is deployed. Valid values:

  • RDS: an Alibaba Cloud database instance.

  • ECS: an Elastic Compute Service (ECS) instance on which a self-managed database is deployed.

  • IDC: a self-managed database instance that is not deployed on Alibaba Cloud.

Note

IDC refers to your data center.

ECS

InstanceId

string

No

The instance ID.

rm-2ze1jdv45i7l6****

Ip

string

No

The endpoint that is used to access the instance over internal networks.

rm-2ze1jdv45i7l6****.mysql.rds.aliyuncs.com

Port

string

No

The port that is used to access the instance over internal networks.

3306

Engine

string

No

The database engine. Valid values:

  • MySQL

  • PostgreSQL

  • SQLServer

  • PolarDBMySQL

  • PolarDBPostgreSQL

  • Redis

  • MongoDB

  • PolarDBOracle

  • PolarDBX

MySQL

Username

string

No

The username that is used to log on to the database.

test****

Password

string

No

The password for the username.

122****

InstanceAlias

string

No

The name of the instance.

yuecq--test****

NetworkType

string

No

The network type of the instance.

VPC

VpcId

string

No

The virtual private cloud (VPC) ID.

vpc-m5e666n89m2bx8jar****

Region

string

No

The ID of the region in which the instance resides.

cn-hangzhou

FlushAccount

string

No

The reserved parameter.

None

Response elements

Element

Type

Description

Example

object

The response parameters.

Message

string

The returned message.

Note

If the request was successful, Successful is returned. If the request failed, an error message such as an error code is returned.

Successful

RequestId

string

The request ID.

B6D17591-B48B-4D31-9CD6-9B9796B2****

Synchro

string

The reserved parameter.

None

Data

object

The detailed information, including the error codes and the number of entries that are returned.

VpcId

string

The VPC ID.

vpc-m5e666n89m2bx8jar****

Token

string

The client token that is used to ensure the idempotence of the request.

tokenID

Ip

string

The endpoint of the instance.

rm-de21209****.mysql.rds.aliyuncs.com

CallerUid

string

The user ID of the caller.

31063db679****

InstanceId

string

The instance ID.

rm-2ze1jdv45i7l6****

Port

integer

The port number of the instance that you want to access.

3306

OwnerId

string

The ID of the instance owner.

325352345

Uuid

string

The unique identifier of the instance.

hdm_3063db6792965c080a4bcb6e6304****

Error

string

The error message returned if the request failed.

InvalidRequestURL

Code

integer

The HTTP status code returned.

200

Role

string

The role of the current API caller.

master

TenantId

string

The tenant ID.

L0EPfLS****=SCE00000*****

Code

string

The HTTP status code returned.

200

Success

string

Indicates whether the request was successful. Valid values:

  • true: The request was successful.

  • false: The request failed.

true

Examples

Success response

JSON format

{
  "Message": "Successful",
  "RequestId": "B6D17591-B48B-4D31-9CD6-9B9796B2****",
  "Synchro": "None",
  "Data": {
    "VpcId": "vpc-m5e666n89m2bx8jar****",
    "Token": "tokenID",
    "Ip": "rm-de21209****.mysql.rds.aliyuncs.com",
    "CallerUid": "31063db679****",
    "InstanceId": "rm-2ze1jdv45i7l6****",
    "Port": 3306,
    "OwnerId": "325352345",
    "Uuid": "hdm_3063db6792965c080a4bcb6e6304****",
    "Error": "InvalidRequestURL",
    "Code": 200,
    "Role": "master",
    "TenantId": "L0EPfLS****=SCE00000*****"
  },
  "Code": "200",
  "Success": "true"
}

Error codes

HTTP status code

Error code

Error message

Description

400 InvalidParams The request parameters are invalid.
403 NoPermission You are not authorized to do this action.

See Error Codes for a complete list.

Release notes

See Release Notes for a complete list.