Attaches an Elastic Network Interface (ENI) to an Edge Node Service (ECS) instance.
Operation description
When you call this operation, take note of the following limits:
- The ENI must be in the Available state.
- An ENI can be attached to only one instance that is the same zone and the same Virtual Private Cloud (VPC).
- The instance must be in the Stopped state.
- A maximum of 10 ENIs can be attached to an instance.
- This operation is an asynchronous operation. After you call this operation to attach an ENI, you can view the status of the ENI to check whether the ENI is attached.
Debugging
Authorization information
The following table shows the authorization information corresponding to the API. The authorization information can be used in the Action policy element to grant a RAM user or RAM role the permissions to call this API operation. Description:
- Operation: the value that you can use in the Action element to specify the operation on a resource.
- Access level: the access level of each operation. The levels are read, write, and list.
- Resource type: the type of the resource on which you can authorize the RAM user or the RAM role to perform the operation. Take note of the following items:
- The required resource types are displayed in bold characters.
- If the permissions cannot be granted at the resource level,
All Resourcesis used in the Resource type column of the operation.
- Condition Key: the condition key that is defined by the cloud service.
- Associated operation: other operations that the RAM user or the RAM role must have permissions to perform to complete the operation. To complete the operation, the RAM user or the RAM role must have the permissions to perform the associated operations.
| Operation | Access level | Resource type | Condition key | Associated operation |
|---|---|---|---|---|
| ens:AttachNetworkInterface | update |
|
| none |
Request parameters
| Parameter | Type | Required | Description | Example |
|---|---|---|---|---|
| InstanceId | string | Yes | The ID of the instance | i-5p67acfmxazb4p**** |
| NetworkInterfaceId | string | Yes | The ID of the ENI. | eni-58z57orgmt6d1**** |
Response parameters
Examples
Sample success responses
JSONformat
{
"RequestId": "473469C7-AA6F-4DC5-B3DB-A3DC0DE3C83E"
}Error codes
| HTTP status code | Error code | Error message |
|---|---|---|
| 400 | ens.interface.error | An error occurred while call the API. |
| 400 | InvalidEniId.NotFound | The specified NetworkInterfaceId does not exist. |
| 400 | InvalidParameter.EniServiceManaged | The eni is managed by service. |
| 400 | InvalidOperation.InvalidEniStatus | Current eni status does not support this operation. |
| 400 | InstanceNotFound | The input parameter instancdId that is not found. |
| 400 | InvalidOperation.InvalidEnsStatus | Current instance status does not support this operation. |
| 400 | InvalidOperation.InstanceNotSupport | The specified instance does not support this operation. |
| 400 | InvalidOperation.NetworkMismatch | Specified eni and instance are not in the same network. |
| 400 | EniPerInstanceLimitExceeded | EniPerInstanceLimitExceeded. |
| 400 | InvalidOperation.InvalidEniType | The type of eni does not support this operation. |
| 400 | NoPermission | Permission denied. |
| 400 | InvalidParameter.%s | The specified field %s invalid. Please check it again. |
For a list of error codes, visit the Service error codes.