Adding Master and Client Nodes

Function

This API is used to add master and client nodes to a cluster.

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	Project ID. For details about how to obtain a project ID, see Obtaining a Project ID and Name.
cluster_id	Yes	String	ID of the cluster that needs an independent master or client.
type	Yes	String	Node type. The value can be: ess-master: Master node ess-client: Client node

Request Parameters

**Table 2** Request body parameters
Parameter	Mandatory	Type	Description
type	Yes	IndependentBodyReq object	Master/Client request body parameter

**Table 3** IndependentBodyReq
Parameter	Mandatory	Type	Description
flavor_ref	Yes	String	Flavor ID. You can obtain the value of this parameter by calling the API Obtaining the Instance Specifications List. Select the flavor ID suitable for your cluster version.
node_size	Yes	Integer	Number of nodes. 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.
volume_type	Yes	String	Node storage type. Its value can be ULTRAHIGH, COMMON, or HIGH.

Response Parameters

Status code: 200

**Table 4** Response body parameters
Parameter	Type	Description
id	String	Cluster ID.

Request Example

Add the master and client nodes.

POST /v1.0/6204a5bd270343b5885144cf9c8c158d/clusters/ea244205-d641-45d9-9dcb-ab2236bcd07e/type/ess-client/independent

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

Response Example

Status code: 200

The request is processed.

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

Status Codes

Status Code	Description
200	The request is processed.
403	The request is rejected. The server has received and understood the request, but refused to respond to it. Modify the request directly and do not attempt to retry it.
500	The server can be accessed by the request, but it cannot understand the user's request.

Error Codes

For details, see Error Code.

Parent topic: Cluster Management APIs

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