Release the backend instances of the traditional load balancer - ReleaseBackend

Overview

Release backend resource instances from CLB's VServer

ℹ️ When VServer is at Layer 7, the backend instance must be removed from the forwarding rules before it can be released. BackendId corresponds to the BackendId returned by AllocateBackend or the BackendId in ULBBackendSet returned by DescribeULB/DescribeVServer, which is the node Id of the traditional load balancing service.

Definition

Public Parameters

Parameter Name	Type	Description Information	Required
Action	string	Corresponding API command name, the current API is `ReleaseBackend`.	Yes
PublicKey	string	The user's public key can be obtained from Console (opens in a new tab)	Yes
Signature	string	User signature generated based on public key and API command, see Signature Algorithm	Yes

Request Parameters

Parameter Name	Type	Description Information	Required
Region	string	Region. See List of Regions and Availability Zones	Yes
ProjectId	string	Project ID. If not filled in, the default project is used, sub-accounts must be filled in. Please refer to the GetProjectList interface.	Yes
ULBId	string	ID of the traditional load balancing instance	Yes
BackendId	string	ID of the backend resource instance (CLB backend ID, not the resource's own ID)	Yes

Response Field

Field Name	Type	Description Information	Required
RetCode	int	Return status code. If it is 0, it means successful return. If it is not 0, it means failure.	Yes
Action	string	Operation command name.	Yes
Message	string	Returns an error message, providing detailed description when `RetCode` is non-zero.	No

Example

Request Example

https://api.ucloud-global.com/?Action=ReleaseBackend
&Region=cn-bj2
&ProjectId=project-XXXX
&ULBId=ulb-XXXX
&BackendId=backend-XXXX

Response Example

{
  "Action": "ReleaseBackendResponse",
  "RetCode": 0
}

DeleteVServer UnbindSSL