Updated on 2025-07-29 GMT+08:00

Creating a Parameter Template

Function

This API is used to create a parameter template. The following information needs to be configured: template name, description, DB engine version, and parameter values. Before calling this API:

Constraints

  • This API is only available for cluster TaurusDB instances (dedicated edition).
  • The name of the custom parameter template is case-sensitive and must be different from the name of an existing or a default parameter template.
  • The value of parameter_values in the custom parameter template must be within the default value range of the specified database version.

URI

POST /v3/{project_id}/configurations

Table 1 URI parameter

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

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 parameters

Parameter

Mandatory

Type

Description

name

Yes

String

Definition

Parameter template name.

Constraints

N/A

Range

The template name can contain 1 to 64 characters. Only letters (case-sensitive), digits, hyphens (-), underscores (_), and periods (.) are allowed.

Default Value

N/A

description

No

String

Definition

Parameter template description.

Constraints

N/A

Range

The description can consist of up to 256 characters. It cannot contain carriage returns or any of the following special characters: !<"='>&

Default Value

Empty

parameter_values

No

Map<String,String>

Definition

Mapping between parameter names and parameter values. You can specify parameter values based on a default parameter template.

Constraints

N/A

datastore

No

DatastoreResult object

Definition

Database object.

Table 4 DatastoreResult

Parameter

Mandatory

Type

Description

type

Yes

String

Definition

DB engine.

Constraints

N/A

Range

Only gaussdb-mysql is supported.

Default Value

N/A

version

Yes

String

Definition

Database version. For details about how to obtain the version, see the name field returned in Querying Version Information About a DB Engine.

Constraints

N/A

Range

N/A

Default Value

N/A

Response Parameters

Status code: 200

Table 5 Response body parameter

Parameter

Type

Description

configurations

ConfigurationSummary2 object

Parameter template information.

Table 6 ConfigurationSummary2

Parameter

Type

Description

id

String

Definition

Parameter template ID.

Range

The value contains 36 characters, starting with a UUID and ending with pr07. Only letters and digits are allowed.

name

String

Definition

Parameter template name.

Range

The value is the same as the parameter template name in the request.

description

String

Definition

Parameter template description.

Range

The value is the same as the parameter template description in the request.

datastore

DatastoreResult object

Definition

Database object.

created

String

Definition

Creation time in the "yyyy-MM-ddTHH:mm:ssZ" format. T is the separator between the calendar and the hourly notation of time. Z indicates the time zone offset.

Range

N/A

updated

String

Definition

Update time in the "yyyy-MM-ddTHH:mm:ssZ" format. T is the separator between the calendar and the hourly notation of time. Z indicates the time zone offset.

Range

N/A

Table 7 DatastoreResult

Parameter

Type

Description

type

String

Definition

DB engine.

Constraints

N/A

Range

Only gaussdb-mysql is supported.

Default Value

N/A

version

String

Definition

Database version. For details about how to obtain the version, see the name field returned in Querying Version Information About a DB Engine.

Constraints

N/A

Range

N/A

Default Value

N/A

Status code: 400

Table 8 Response body parameters

Parameter

Type

Description

error_code

String

Error code.

error_msg

String

Error message.

Status code: 500

Table 9 Response body parameters

Parameter

Type

Description

error_code

String

Error code.

error_msg

String

Error message.

Example Request

Creating a parameter template (There are up to 10 concurrent connections for the account.)

POST https://{endpoint}/v3/056538411200d4cd2f79c003c7606412/configurations
{
  "name" : "myparameter",
  "description" : "parameter1",
  "datastore" : {
    "type" : "gaussdb-mysql",
    "version" : "8.0"
  },
  "parameter_values" : {
    "max_user_connections" : "10"
  }
}

Example Response

Status code: 200

Success.

{
  "configurations" : {
    "id" : "887ea0d1bb0843c49e8d8e5a09a95652pr07",
    "name" : "myparameter",
    "description" : "parameter1",
    "datastore" : {
      "type" : "gaussdb-mysql",
      "version" : "8.0"
    },
    "created" : "2022-05-15T11:53:34+0000",
    "updated" : "2022-05-15T11:53:34+0000"
  }
}

Status Code

For details, see Status Codes.

Error Code

For details, see Error Codes.