DescribePrePaidInstanceStock - ENS - Alibaba Cloud Documentation Center

The specifications of resources that can be purchased in subscription billing mode are queried.

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
ens:DescribePrePaidInstanceStock		All Resources *	none	none

Request parameters

Parameter	Type	Required	Description	Example
EnsRegionId	string	Yes	The ID of the edge node.	cn-suzhou-telecom
SystemDiskSize	integer	Yes	The size of the system disk. Unit: GB.	100
DataDiskSize	integer	Yes	The size of the data disk. Unit: GB.	20
InstanceSpec	string	Yes	The specification of the instance.	ens.sn1.stiny

Response parameters

Parameter	Type	Description	Example
	object
AvaliableCount	integer	The number of resources that you can purchase.	84
Cores	integer	The number of CPU cores.	1
DataDiskSize	integer	The size of the data disk.	20
EnsRegionId	string	The ID of the node.	cn-suzhou-telecom
InstanceSpec	string	The specification of the instance.	ens.sn1.stiny
Memory	integer	The memory size. Unit: GB.	2048
RequestId	string	The request ID.	007833C8-E819-4122-B636-0D48D7BF6DFB
SystemDiskSize	integer	The size of the system disk.	20
ResourceGap	string	The reason why resources are insufficient.	StockNotEnough

Examples

Sample success responses

JSONformat

{
  "AvaliableCount": 84,
  "Cores": 1,
  "DataDiskSize": 20,
  "EnsRegionId": "cn-suzhou-telecom",
  "InstanceSpec": "ens.sn1.stiny",
  "Memory": 2048,
  "RequestId": "007833C8-E819-4122-B636-0D48D7BF6DFB",
  "SystemDiskSize": 20,
  "ResourceGap": "StockNotEnough"
}

Error codes

HTTP status code	Error code	Error message	Description
400	NoPermission	Permission denied.	-
400	InvalidParameter.%s	The specified field %s invalid. Please check it again.	-
400	InventoryExceeded	The Instance in stock are insufficient,please submit a ticket.	The specified instance resource inventory is insufficient, please re-match.
400	CallInterface	Call Interface Happen Error.	An error occurred when you call the operation.

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

Change history

Change time	Summary of changes	Operation
2023-12-26	API Description Update. The Error code has changed	View Change Details