ScaleOutApplication - Enterprise Distributed Application Service

Scales out an application.

Debugging

OpenAPI Explorer automatically calculates the signature value. For your convenience, we recommend that you call this operation in OpenAPI Explorer.

Debug

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 Resources is 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
edas:ManageApplication	Write	Application acs:edas:{#regionId}:{#accountId}:namespace/{#NameSpaceId}/application/{#AppId}	none	none

Request syntax

POST /pop/v5/changeorder/co_scale_out

Request parameters

Parameter	Type	Required	Description	Example
AppId	string	Yes	The ID of the application that you want to scale out. You can call the ListApplication operation to query the application ID. For more information, see ListApplication .	3616cdca-4f92-4413*****************
EcuInfo	string	Yes	The ID of the elastic compute unit (ECU) that corresponds to the Elastic Compute Service (ECS) instance to be added to the instance group for scale-out. You can call the ListScaleOutEcu operation to query the ECU ID. For more information, see ListScaleOutEcu . Separate multiple ECU IDs with commas (,).	8123db90-880f-486f-b***************
DeployGroup	string	Yes	The ID of the instance group where the application you want to scale out is deployed. You can call the QueryApplicationStatus operation to query the group ID. For more information, see QueryApplicationStatus .	4f1fb6f5-6769-4bd6******************

Response parameters

Parameter	Type	Description	Example
	object
ChangeOrderId	string	The ID of the change process. You can call the GetChangeOrderInfo operation to query the progress of this scale-out. For more information, see GetChangeOrderInfo .	f4208118-7171-4e20-92************
Code	integer	The HTTP status code that is returned.	200
Message	string	The additional information that is returned.	success
RequestId	string	The ID of the request.	D16979DC-4D42-***********************

Examples

Sample success responses

JSONformat

{
  "ChangeOrderId": "f4208118-7171-4e20-92************",
  "Code": 200,
  "Message": "success",
  "RequestId": "D16979DC-4D42-***********************"
}

Error codes

For a list of error codes, visit the Service error codes.