Scaling In Nodes of a Specific Type¶
Function¶
This API is used to remove instances of different types and reduce instance storage capacity in a cluster.
URI¶
POST /v1.0/extend/{project_id}/clusters/{cluster_id}/role/shrink
Parameter | Mandatory | Type | Description |
---|---|---|---|
project_id | Yes | String | Project ID. For details, see Obtaining a Project ID and Name. |
cluster_id | Yes | String | ID of the cluster you want to scale in. |
Request Parameters¶
Parameter | Mandatory | Type | Description |
---|---|---|---|
shrink | Yes | Array of ShrinkNodeReq objects | Type and quantity of nodes you want to remove from a cluster. |
Parameter | Mandatory | Type | Description |
---|---|---|---|
reducedNodeNum | Yes | Integer | Number of nodes you want to remove from a cluster.
|
type | Yes | String | Node type.
|
Response Parameters¶
None
Example Requests¶
{
"shrink" : [ {
"type" : "ess",
"reducedNodeNum" : 1
} ]
}
Example Responses¶
None
Status Codes¶
Status Code | Description |
---|---|
200 | Request succeeded. |
400 | Invalid request. Modify the request before retry. |
409 | The request could not be completed due to a conflict with the current state of the resource. The resource that the client attempts to create already exists, or the update request fails to be processed because of a conflict. |
412 | The server did not meet one of the preconditions contained in the request. |