Function

This API is used to add dedicated master and client nodes to an existing cluster that previously does not have such nodes.

Calling Method

For details, see Calling APIs.

URI

POST /v1.0/{project_id}/clusters/{cluster_id}/type/{type}/independent

**Table 1** Path Parameters
Parameter	Mandatory	Type	Description
project_id	Yes	String	Definition: Project ID. For details about how to obtain the project ID and name, see Obtaining the Project ID and Name. Constraints: N/A Value range: Project ID of the account. Default value: N/A
cluster_id	Yes	String	Definition: ID of the cluster that needs an independent master or client. For details about how to obtain the cluster ID, see Obtaining the Cluster ID. Constraints: N/A Value range: Cluster ID. Default value: N/A
type	Yes	String	Parameter description: Types of dedicated nodes to add. Constraints: N/A Options: ess-master: master node ess-client: client node Default value: N/A

Request Parameters

**Table 2** Request body parameters
Parameter	Mandatory	Type	Description
type	Yes	IndependentTypeReq object	Definition: Master/Client request body parameter. Constraints: N/A Value range: N/A Default value: N/A

**Table 3** IndependentTypeReq
Parameter	Mandatory	Type	Description
flavor_ref	Yes	String	Definition: Flavor ID. Constraints: N/A Value range: You can obtain the value of this parameter by calling the API for Obtaining the Instance Specifications List. Select the flavor ID suitable for your cluster version. Default value: N/A
node_size	Yes	Integer	Definition: Number of nodes. Constraints: N/A Value range: If the node type is ess-master, the number of nodes must be an odd number in the range 3 to 10. If the node type is ess-client, the number of nodes must be in the range 1 to 32. Default value: N/A
volume_type	Yes	String	Parameter description: Node storage type. Constraints: N/A Options: COMMON: common I/O HIGH: high I/O ULTRAHIGH: ultra-high I/O ESSD: ultra-fast SSD Default value: N/A

Response Parameters

Status code: 200

**Table 4** Response body parameters
Parameter	Type	Description
id	String	Definition: Cluster ID. Value range: N/A

Example Requests

Add independent master and client nodes.

POST https://{Endpoint}/v1.0/{project_id}/clusters/ea244205-d641-45d9-9dcb-ab2236bcd07e/type/ess-client/independent

{
  "type" : {
    "flavor_ref" : "d9dc06ae-b9c4-4ef4-acd8-953ef4205e27",
    "node_size" : 3,
    "volume_type" : "COMMON"
  }
}

Example Responses

Status code: 200

Request succeeded.

{
  "id" : "320afa24-ff2a-4f44-8460-6ba95e512ad4"
}

Status Codes

Status Code	Description
200	Request succeeded.
403	Request rejected. The server has received the request and understood it, but refused to respond to it. The client should not repeat the request without modifications.
500	The server has received the request but could not understand it.

Status Code

Description

200

Request succeeded.

403

Request rejected.

The server has received the request and understood it, but refused to respond to it. The client should not repeat the request without modifications.

500

The server has received the request but could not understand it.

Error Codes

See Error Codes.

Adding Independent Masters and Clients