This topic describes how to add existing ECS instances to a cluster. For API descriptions, see Add existing ECS instances to a Kubernetes cluster.

API request and response

Request format

  1. aliyun cs  POST /clusters/<cluster_id>/attach —header “Content-Type=application/json” —body “$(cat attach.json)”

Parameter description:

  • —header: Specify Content-Type as application/json.
  • —body: This is the body content to be sent to the server. The content can be read from a local file and must be in JSON format. The content of attach.json is as follows: 
  1. {        “password”: “password used to log on to the ECS instance by using SSH”,        “instances”: “ECS instance array”,        “ecs_image_id”: “image ID”,        “release_eip_flag”: “whether to release Elastic IP (EIP) after you configure the cluster”}

Response result

  1. {    “list”: [        {            “code”: “200”,            “instanceId”: “i-2zee3oiwcyoz7kwdo8bt”,            “message”: “successful”        },        {            “code”: “200”,            “instanceId”: “i-2ze0lgm3y6iylcbtcypf”,            “message”: “successful”        }    ],    “task_id”: “T-5a544aff80282e39ea000039”}