Help Center/ GaussDB(for MySQL)/ API Reference/ APIs (Recommended)/ Database Proxy/ Adding Proxy Nodes
Updated on 2024-09-11 GMT+08:00
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Adding Proxy Nodes

Function

This API is used to add proxy nodes. Before calling this API:

URI

POST /v3/{project_id}/instances/{instance_id}/proxy/enlarge

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.

It can be obtained by calling the IAM API used to obtain a user token.

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

X-Language

No

String

Request language type. The default value is en-us.

Values:

  • en-us
  • zh-cn
Table 3 Request body parameters

Parameter

Mandatory

Type

Description

node_num

Yes

Integer

The number of proxy nodes to be added.

The value is an integer from 1 to 30.

Restrictions: The total number of proxy nodes for an instance is no more than 32.

proxy_id

No

String

Proxy instance ID.

If only one proxy instance is created, this parameter is not required. If multiple proxy instances are created, you must configure this parameter.

Response Parameters

Status code: 201

Table 4 Response body parameters

Parameter

Type

Description

job_id

String

Task ID.

Status code: 400

Table 5 Response body parameters

Parameter

Type

Description

error_code

String

Error code.

error_msg

String

Error message.

Status code: 500

Table 6 Response body parameters

Parameter

Type

Description

error_code

String

Error code.

error_msg

String

Error message.

Example Request

Adding proxy nodes

POST https://{endpoint}/v3/619d3e78f61b4be68bc5aa0b59edcf7b/instances/61a4ea66210545909d74a05c27a7179ein07/proxy/enlarge
{
  "node_num" : 2,
  "proxy_id" : "151c14381ac14ecfb9703a745b992677po01"
}

Example Response

Status code: 201

Success.

{
  "job_id" : "04efe8e2-9255-44ae-a98b-d87cae411890"
}

Status Code

For details, see Status Codes.

Error Code

For details, see Error Codes.

Parent topic: Database Proxy