Upgrade NodePool

Available in VPC

Upgrade the version of the NodePool registered in the cluster. You can also set values in case nodes are added or become unavailable during the upgrade.

Note

Before upgrading your NodePool, check for factors that may impact the service. For a detailed description of the check factors, see the Ncloud Kubernetes Service User Guide.

Requests

The following describes the request format for the endpoint. The request format is as follows.

Method	URI
PATCH	/clusters/{uuid}/node-pool/{instanceNo}/upgrade

Request headers

For headers common to all Ncloud Kubernetes Service APIs, see Ncloud Kubernetes Service common headers.

Request path parameters

The following describes the parameters.

Field	Type	Required	Description
`uuid`	String	Required	Cluster's UUID Check through View cluster list
`instanceNo`	Integer	Required	NodePool instance number

Request query parameters

The following describes the parameters.

Field	Type	Required	Description
`k8sVersion`	String	Required	Kubernetes version to upgrade Only within the cluster's version of Kubernetes
`maxSurge`	Integer	Optional	Number of nodes that can be added during an upgrade 0 to the current number of nodes (default: 1)
`maxUnavailable`	Integer	Optional	Number of nodes you can afford to take out of service during an upgrade 0 to the current number of nodes (default: 0)

Request example

The following is a sample request.

curl --location --request PATCH 'https://nks.apigw.ntruss.com/vnks/v2/clusters/{uuid}/node-pool/{instanceNo}/upgrade?k8sVersion={version}&maxSurge=2&maxUnavailable=0' \
--header 'x-ncp-apigw-timestamp: {timestamp}' \
--header 'x-ncp-iam-access-key: {access key}' \
--header 'x-ncp-apigw-signature-v2: {API gateway signature}'

Responses

The following describes the response format.

Response syntax

The response syntax is as follows.

{
    "uuid": "string",
    "instanceNo": "integer"
}

Response body

The following describes the response body.

Field	Type	Required	Description
`uuid`	String	-	UUID of the cluster
`instanceNo`	Integer	-	NodePool instance number

Response status codes

For response status codes common to all Ncloud Kubernetes Service APIs, see Ncloud Kubernetes Service response status codes.

Response example

The following is a sample response.

{
    "uuid": "1a1111a1-4d44-99b9-88c8-9e99a99e9e99",
    "instanceNo": 23323233
}