ExitStandby - Auto Scaling - Alibaba Cloud Documentation Center

Description

If a scaling group is associated with Server Load Balancer (SLB) instances, the weight of the ECS instance in the scaling group is set to the value that is specified in the scaling configuration when the ECS instance is removed from the Standby state.

Debugging

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


Parameter	Type	Required	Example	Description
Action	String	Yes	ExitStandby	The operation that you want to perform. Set the value to ExitStandby.
ScalingGroupId	String	Yes	asg-bp1fo0dbtsbmqa9h****	The ID of the scaling group.
ClientToken	String	No	123e4567-e89b-12d3-a456-42665544****	The client token that is used to ensure the idempotence of the request. You can use the client to generate the value, but you must ensure that it is unique among different requests. The token can only contain ASCII characters and cannot exceed 64 characters in length. For more information, see How to ensure idempotence.
Async	Boolean	No	false	Specifies whether to asynchronously remove the ECS instance from the Standby state. Valid values: true false Default value: false.
RegionId	String	No	cn-hangzhou	The ID of the region where the scaling group resides.
InstanceId.N	String	Yes	i-28wt4****	The ID of ECS instance N. The value of this parameter can be a JSON array that consists of up to 20 instance IDs. Separate multiple instance IDs with commas (,).

Response parameters


Parameter	Type	Example	Description
RequestId	String	473469C7-AA6F-4DC5-B3DB-A3DC0DE3****	The ID of the request.
ScalingActivityId	String	asa-2zeb04oym05qaceq****	The ID of the scaling activity.

Examples

Sample requests

http(s)://ess.aliyuncs.com/?Action=ExitStandby
&ScalingGroupId=asg-bp1fo0dbtsbmqa9h****
&ClientToken=123e4567-e89b-12d3-a456-42665544****
&InstanceId=["i-28wt4****"]
&Async=false
&RegionId=cn-hangzhou
&<Common request parameters>

Sample success responses

XML format

HTTP/1.1 200 OK
Content-Type:application/xml

<ExitStandbyResponse>
    <RequestId>473469C7-AA6F-4DC5-B3DB-A3DC0DE3****</RequestId>
    <ScalingActivityId>asa-2zeb04oym05qaceq****</ScalingActivityId>
</ExitStandbyResponse>

JSON format

HTTP/1.1 200 OK
Content-Type:application/json

{
  "RequestId" : "473469C7-AA6F-4DC5-B3DB-A3DC0DE3****",
  "ScalingActivityId" : "asa-2zeb04oym05qaceq****"
}

Error codes

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


HTTP status code	Error code	Error message	Description
403	Forbidden.Unauthorized	A required authorization for the specified action is not supplied.	The error message returned because the RAM user is not authorized to call this operation. Contact the owner of the Alibaba Cloud account to obtain the required permissions and try again.
404	InvalidInstanceId.NotFound	A required authorization for the specified action is not supplied.	The error message returned because the specified ECS instance does not exist.
404	InvalidScalingGroupId.NotFound	The specified scaling group does not exist.	The error message returned because the specified scaling group does not exist within the Alibaba Cloud account.