Updated on 2025-09-04 GMT+08:00

Changing Password of a Database User

Function

This API is used to change the password of a database user. Before calling this API:

URI

PUT /v3/{project_id}/instances/{instance_id}/db-users/password

Table 1 URI parameters

Parameter

Mandatory

Type

Description

project_id

Yes

String

Definition

Project ID of a tenant in a region.

To obtain this value, see Obtaining a Project ID.

Constraints

N/A

Range

The value contains 32 characters. Only letters and digits are allowed.

Default Value

N/A

instance_id

Yes

String

Definition

Instance ID, which uniquely identifies an instance.

Constraints

N/A

Range

The value contains 36 characters with a suffix of in07. Only letters and digits are allowed.

Default Value

N/A

Request Parameters

Table 2 Request header parameters

Parameter

Mandatory

Type

Description

X-Auth-Token

Yes

String

Definition

User token. To obtain this value, call the IAM API for obtaining a user token.

The value of X-Subject-Token in the response header is the token value.

Constraints

N/A

Range

N/A

Default Value

N/A

X-Language

No

String

Definition

Request language type.

Constraints

N/A

Range

  • en-us

  • zh-cn

Default Value

en-us

Table 3 Request body parameter

Parameter

Mandatory

Type

Description

users

Yes

Array of ResetDatabasePassword objects

Definition

List of database users whose passwords are to be changed.

Constraints

The list can contain a maximum of 50 database users.

Table 4 ResetDatabasePassword

Parameter

Mandatory

Type

Description

name

Yes

String

Definition

Database username.

Constraints

N/A

Range

The username can consist of 1 to 32 characters. Only letters, digits, and underscores (_) are allowed.

Default Value

N/A

host

Yes

String

Definition

Host IP address.

Constraints

N/A

Range

  • If the value is %, all IP addresses are allowed to access your TaurusDB instance.

  • If the value is 10.10.10.%, all IP addresses in the subnet 10.10.10.X are allowed to access your TaurusDB instance.

  • To specify multiple IP addresses, separate them with commas (,), for example, 192.168.0.1,172.16.213.9 (no spaces before or after the comma).

Default Value

%

password

Yes

String

Definition

Password of the database user.

Constraints

You are advised to enter a strong password to improve security and prevent security risks such as brute force cracking.

Range

The value cannot be empty. It can consist of 8 to 32 characters and must contain at least three types of the following: uppercase letters, lowercase letters, digits, and special characters |.~!@#$%^*-_=+?,()&

Default Value

N/A

Response Parameters

Status code: 202

Table 5 Response body parameter

Parameter

Type

Description

job_id

String

Definition

ID of the task for changing the passwords of database users.

Range

N/A

Status code: 400

Table 6 Response body parameters

Parameter

Type

Description

error_code

String

Error code.

error_msg

String

Error message.

Status code: 500

Table 7 Response body parameters

Parameter

Type

Description

error_code

String

Error code.

error_msg

String

Error message.

Example Request

Changing password of database user gaussdb_mysql_user1

PUT https://{endpoint}/v3/054e292c9880d4992f02c0196d3ea468/instances/a23fb62bd61e4e9e9636fd2225f395bein07/db-users/password
{
  "users" : [ {
    "name" : "gaussdb_mysql_user1",
    "host" : "127.0.0.1",
    "password" : "Rds_1234"
  } ]
}

Example Response

Status code: 202

Success.

{
  "job_id" : "dff1d289-4d03-4942-8b9f-463ea07c000d"
}

Status Code

For details, see Status Codes.

Error Code

For details, see Error Codes.