Add backend instances for traditional load balancing - AllocateBackend

Overview

Add CLB backend resource instance

Definition

Public Parameters

Parameter Name	Type	Description Information	Required
Action	string	Corresponding API command name, the current API is `AllocateBackend`.	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
VServerId	string	ID of the VServer instance	Yes
ResourceType	string	The type of the added backend resources, enumeration values: UHost -> Cloud host; UNI -> Virtual network card; UPM -> Physical cloud host; UHybrid->Hybrid cloud host; CUBE->Cube, IP->IP type; The default value is UHost. Packet forwarding mode does not support UHybrid, CUBE, IP.	Yes
ResourceId	string	The resource ID of the added backend resources; either this or ResourceIP must be filled in.	No
ResourceIP	string	The IP of the added backend server resource instance is valid when ResourceType is UHybrid or IP, and it is required; it is required to fill either this or ResourceId.	No
VPCId	string	The VPC where the added backend servers are located is effective when ResourceType is UHybrid or IP, and it is required.	No
SubnetId	string	The subnet where the added backend server is located is effective when ResourceType is UHybrid or IP, and it is mandatory.	No
Port	int	The backend resource service port you added, the value range is [1-65535], default is 80.	No
Weight	int	The weight of the added backend RS (effective under the weighted round-robin algorithm), the value range is [1-100], the default is 1.	No
Enabled	int	Backend instance status switch, enumeration values: 1: Enabled; 0: Disabled. The default is Enabled.	No
IsBackup	int	Whether rs is for backup, default is 0 0: ordinary rs 1: backup rs	No

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
BackendId	string	The object ID of the added backend resource in CLB, (used in the CLB system, unrelated to the resource's own ID), can be used for UpdateBackendAttribute/UpdateBackendAttributeBatch/ReleaseBackend.	No

Example

Request Example

https://api.ucloud-global.com/?Action=AllocateBackend
&Region=cn-bj2
&ProjectId=project-XXXXX
&ULBId=ulb-XXXXX
&VServerId=vserver-XXXXX
&ResourceType=UHost
&ResourceId=uhost-XXXX 
&Port=80
&Enabled=1
&Weight=4
&IsBackup=4
&ResourceIP=ELVhVVux
&VPCId=qFbjvNJn
&SubnetId=DKBOyKER

Response Example

{
  "Action": "AllocateBackendResponse",
  "BackendId": "backend-XXXXX",
  "RetCode": 0
}

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