Help Center/ GaussDB/ API Reference/ APIs (Recommended)/ Parameter Configuration/ Querying Instances That a Parameter Template Can Be Applied To
Updated on 2025-08-11 GMT+08:00

Querying Instances That a Parameter Template Can Be Applied To

Function

This API is used to query the instances that the current parameter template can be applied to. Before calling this API:

URI

GET /v3/{project_id}/configurations/{config_id}/applicable-instances

Table 1 Parameter description

Parameter

Mandatory

Type

Description

project_id

Yes

String

Definition

Project ID of a tenant in a region.

To obtain the value, see Obtaining a Project ID.

Constraints

N/A

Range

The value can contain 32 characters. Only letters and digits are allowed.

Default Value

N/A

config_id

Yes

String

Definition

Parameter template ID.

Constraints

N/A

Range

The value can contain 36 characters. Only letters and digits are allowed.

Default Value

N/A

offset

No

Integer

Definition

Index offset. The query starts from the next piece of data indexed by this parameter. For example, if this parameter is set to 0 and limit is set to 10, only the 1st to 10th data records are displayed.

Constraints

N/A

Range

[0,2^31-1]

Default Value

0: The query starts from the first data record.

limit

No

Integer

Definition

Number of records returned by a query. For example, if this parameter is set to 10, a maximum of 10 records can be displayed.

Constraints

N/A

Range

[1, 100]

Default Value

100

Request Parameters

None

Response Parameters

Table 2 Parameter description

Parameter

Type

Description

instances

Array of objects

Definition

Parameter template information. For details, see Table 3.

total_count

Integer

Definition

Total number of records.

Range

N/A

Table 3 instances field data structure description

Parameter

Type

Description

instance_id

String

Definition

DB instance ID.

Range

N/A

instance_name

String

Definition

DB instance name.

Range

N/A

Example Request

Querying instances that the current parameter template can be applied to

GET https://gaussdb-opengauss.ap-southeast-1.myhuaweicloud.com/v3/619d3e78f61b4be68bc5aa0b59edcf7b/configurations/3ca44134a16d4bbab8eb701e025b19f7pr14/applicable-instances

Example Response

Instances that the current parameter template can be applied to queried.

{
    "instances": [
        {
            "instance_id": "1995a67680474481b3e42ac1474e32e0in14",
            "instance_name": "gauss-a283"
        },
        {
            "instance_id": "8303819fd8744ef69f34595e9710a33din14",
            "instance_name": "gauss-2423-lt-master"
        }
	],
    "total_count": 2
}

Status Codes

Error Codes

For details, see Error Codes.