Granting Permissions to a Database User

Function

This API is used to grant permissions to a database user. Before calling this API:

Learn how to authorize and authenticate it.
Obtain the required region and endpoint.

URI

POST /v3/{project_id}/instances/{instance_id}/db-users/privilege

**Table 1** URI parameters
Parameter	Mandatory	Type	Description
project_id	Yes	String	Project ID of a tenant in a region. To obtain this value, see Obtaining a Project ID.
instance_id	Yes	String	Instance ID, which is compliant with the UUID format.

Request Parameters

**Table 2** Request header parameters
Parameter	Mandatory	Type	Description
X-Auth-Token	Yes	String	User token. If the following response body is returned for calling the API used to obtain a user token, the request is successful. After the request is processed, the value of X-Subject-Token in the message header is the token value.
X-Language	No	String	Request language type. The default value is en-us. Value: en-us zh-cn

**Table 3** Request body parameter
Parameter	Mandatory	Type	Description
users	Yes	Array of GrantDatabasePermission objects	List of database users. The list contains up to 50 database users.

**Table 4** GrantDatabasePermission
Parameter	Mandatory	Type	Description
name	Yes	String	Database username.
host	Yes	String	Host IP address.
databases	Yes	Array of DatabasePermission objects	List of databases. The list contains up to 50 databases.

**Table 5** DatabasePermission
Parameter	Mandatory	Type	Description
name	Yes	String	Database name.
readonly	Yes	Boolean	Whether the permission is read-only. Value: true: read-only false: read/write

Response Parameters

Status code: 201

**Table 6** Response body parameters
Parameter	Type	Description
job_id	String	ID of the task for authorizing the database permissions to a user.

Status code: 400

**Table 7** Response body parameters
Parameter	Type	Description
error_code	String	Error code.
error_msg	String	Error message.

Status code: 500

**Table 8** Response body parameters
Parameter	Type	Description
error_code	String	Error code.
error_msg	String	Error message.

Example Request

Granting the read/write permission to a database user

POST https://{endpoint}/v3/054e292c9880d4992f02c0196d3ea468/instances/a23fb62bd61e4e9e9636fd2225f395bein07/db-users/privilege
{
  "users" : [ {
    "name" : "gaussdb_mysql_user1",
    "host" : "127.0.0.1",
    "databases" : [ {
      "name" : "test",
      "readonly" : false
    } ]
  } ]
}

Example Response

Status code: 201

Success.

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

Status Code

For details, see Status Codes.

Error Code

For details, see Error Codes.

Parent topic: Database User Management

Previous topic: Changing Password of a Database User

Next topic: Deleting Permissions of a Database User

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