Adding Proxy Nodes

Function

This API is used to add proxy nodes. 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}/proxy/enlarge

**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 parameters
Parameter	Mandatory	Type	Description
node_num	Yes	Integer	Definition Number of proxy nodes to be added. Constraints There are a maximum of 16 proxy nodes for a DB instance. Range 1–14 Default Value N/A
proxy_id	No	String	Definition Proxy instance ID. Constraints If only one proxy instance is created, this parameter is not required. If multiple proxy instances are created, you must configure this parameter. Range The value contains 36 characters with a suffix of po01. Only letters and digits are allowed. Default Value N/A

Response Parameters

Status code: 201

**Table 4** Response body parameters
Parameter	Type	Description
job_id	String	Definition Task ID. Range N/A

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

Previous topic: Querying Proxy Instance Specifications

Next topic: Deleting Proxy Nodes

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