Modifies the information of an Elastic Compute Service (ECS) instance. When you call the ModifyInstanceAttribute operation, you can specify attributes such as the instance ID, scaling group ID, and region ID to modify the attributes of an ECS instance in a scaling group. You can modify only the hosting attributes of instances that are manually added to scaling groups.
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 |
|---|---|---|---|---|
| ess:ModifyInstanceAttribute | update | *All Resources * |
| none |
Request parameters
| Parameter | Type | Required | Description | Example |
|---|---|---|---|---|
| InstanceId | string | Yes | The ID of the ECS instance. | i-bp109k5j3dum1ce6**** |
| ScalingGroupId | string | Yes | The ID of the scaling group. | asg-bp18p2yfxow2dloq**** |
| Entrusted | boolean | No | Specifies whether to allow the scaling group to manage the lifecycles of the manually added ECS instances. Valid values:
Note
You can specify this parameter only for ECS instances that are manually added to the scaling group.
| true |
| RegionId | string | Yes | The region ID of the scaling group. | cn-hangzhou |
Response parameters
Examples
Sample success responses
JSONformat
{
"RequestId": "473469C7-AA6F-4DC5-B3DB-A3DC0DE3****"
}Error codes
For a list of error codes, visit the Service error codes.