How to add existing ECS instances to an ACK cluster using the CLI-Container Service for Kubernetes(ACK)-阿里云帮助中心

Attaches existing Elastic Compute Service (ECS) instances to an ACK cluster.

For the full API reference, see Add existing instances to a node pool.

Request syntax

aliyun cs POST /clusters/<YOUR-CLUSTER-ID>/attach --header "Content-Type=application/json" --body "$(cat attach.json)"

Request parameters

CLI parameters

Parameter	Description
`--header`	The request header. Set `Content-Type` to `application/json`.
`--body`	The request body as a JSON file. Save the content to a local file (for example, `attach.json`) and pass it using `$(cat attach.json)`.

Request body

Parameter	Description
`instances`	The IDs of the ECS instances to add to the cluster.
`password`	The password of the ECS instances.
`key_pair`	The key pair used to authenticate to the ECS instances.
`format_disk`	Specifies whether to format data disks on the ECS instances.
`tags`	The tags to add to the nodes. Specify as an array.

Example: `attach.json`

{
    "instances": "<YOUR-INSTANCE-IDS>",
    "password": "<YOUR-INSTANCE-PASSWORD>",
    "key_pair": "<YOUR-KEY-PAIR-NAME>",
    "format_disk": "<true|false>",
    "tags": []
}

Response elements

Field	Description
`list`	The results for each ECS instance attachment. Each item contains `code`, `instanceId`, and `message`.
`list.code`	The status code for the attachment result. `200` indicates success.
`list.instanceId`	The ID of the ECS instance.
`list.message`	The result message for the attachment operation.
`task_id`	The ID of the task created for this operation.

Examples

Sample request

aliyun cs POST /clusters/<YOUR-CLUSTER-ID>/attach --header "Content-Type=application/json" --body "$(cat attach.json)"

Sample response

{
    "list": [
        {
            "code": "200",
            "instanceId": "i-2zee3oiwcyoz7kwd****",
            "message": "successful"
        },
        {
            "code": "200",
            "instanceId": "i-2ze0lgm3y6iylcbt****",
            "message": "successful"
        }
    ],
    "task_id": "T-5a544aff80282e39ea000039"
}