You can call the AttachInstances operation to add existing Edge Node Service (ENS) nodes to a specified managed edge Kubernetes cluster.


OpenAPI Explorer automatically calculates the signature value. For your convenience, we recommend that you call this operation in OpenAPI Explorer. OpenAPI Explorer dynamically generates the sample code of the operation for different SDKs.

Request parameters

This operation uses only common request parameters. For more information, see Common request parameters.

Request syntax

POST /clusters/{ClusterId}/attach 

Request parameters

Parameter Type Required Example Description
cluster_id String Yes Cccfd68c474454665ace07efce924**** The ID of the cluster.
instances Array Yes ["i-5j443uf****"] An array of the existing instances.
is_edge_worker Boolean Yes true Specifies whether to add the ENS nodes as worker nodes. Valid values:
  • true: adds the ENS instances as edge worker nodes.
  • false: does not add the ENS nodes as worker nodes.

If you want to add the ENS nodes to a managed edge Kubernetes cluster, you must set this parameter to true.


Parameter Type Example Description
list Array of list The details of the added nodes.
code String 200 The code that indicates the task result.
instanceId String i-5j2zjis**** The IDs of the ENS instances that are added to the cluster.
message String successful Indicates whether the ENS instances are successfully added to the cluster.
task_id String T-5a544aff80282e39ea000039 The ID of the task.


Sample requests

POST /clusters/Cccfd68c474454665ace07efce924****/attach
<Common request headers>

Sample success responses

  "list": [
      "code": "200",
      "instanceId": "i-5j2zjis****",
      "message": "successful"
      "code": "200",
      "instanceId": "i-5j443uf****",
      "message": "successful"
  "task_id": "T-5d6f733d9e408ec74f000002"

Error codes

For a list of error codes, visit the API Error Center.