This interface is used to remove a specified instance from an AS group.

You can remove instances only in INSERVICE state and only when the number of instances after the removal is greater than or equal to the minimum number of instances allowed.

You can remove instances from an AS group only when no scaling action is in progress.

DELETE /autoscaling-api/v1/{project_id}/scaling_group_instance/{instance_id}

**Table 1** Parameter description
Parameter	Mandatory	Type	Description
project_id	Yes	String	Specifies the project ID.
instance_id	Yes	String	Specifies the instance ID. For details, see Querying Instances in an AS Group.
instance_delete	No	String	Specifies whether an instance is deleted when it is removed from the AS group. Options: no (default): The instance will not be deleted. yes: The instance will be deleted.

Example request

This example shows how to remove but not delete the instance with ID b25c1589-c96c-465b-9fef-d06540d1945c from an AS group.

DELETE https://{Endpoint}/autoscaling-api/v1/{project_id}/scaling_group_instance/b25c1589-c96c-465b-9fef-d06540d1945c?instance_delete=no

Abnormal

Returned Value	Description
400 Bad Request	The server failed to process the request.
401 Unauthorized	You must enter the username and password to access the requested page.
403 Forbidden	You are forbidden to access the requested page.
404 Not Found	The server could not find the requested page.
405 Method Not Allowed	You are not allowed to use the method specified in the request.
406 Not Acceptable	The response generated by the server could not be accepted by the client.
407 Proxy Authentication Required	You must use the proxy server for authentication to process the request.
408 Request Timeout	The request timed out.
409 Conflict	The request could not be processed due to a conflict.
500 Internal Server Error	Failed to complete the request because of an internal service error.
501 Not Implemented	Failed to complete the request because the server does not support the requested function.
502 Bad Gateway	Failed to complete the request because the request is invalid.
503 Service Unavailable	Failed to complete the request because the system is unavailable.
504 Gateway Timeout	A gateway timeout error occurred.

Removing an Instance from an AS Group