This API (ModifyForwardSeventhBackends) is used to modify the weight of CVMs bound to the load balancer instance. You can adjust request forwarding rules by modifying weight of CVMs.
Domain name for API access: lb.api.qcloud.com
The following request parameter list only provides the API request parameters. Common request parameters are required when the API is called. For more information, please see Common Request Parameters page. The Action field for this API is ModifyForwardSeventhBackends.
| Parameter Name | Required | Type | Description |
|---|---|---|---|
| loadBalancerId | Yes | String | ID of load balancer instance. It can be queried by entering 1 or -1 in input parameter "forward" field through the API DescribeLoadBalancers. |
| listenerId | Yes | String | ID of application-based load balancer listener, which can be queried via the API DescribeForwardLBListeners. |
| locationIds.n | No | String | ID of specified rule. |
| domain | No | String | Domain name of forwarding rule of the listener. |
| url | No | String | Path of forwarding rule for listener. |
| backends.n.instanceId | Yes | String | Unique ID of the CVM, which can be obtained from "unInstanceId" in the returned fields of API DescribeInstances. This API allows entering instance IDs of multiple CVMs at a time. For example, if you want to enter two CVMs, enter: backends.1.instanceId&backends.2.instanceId. |
| backends.n.port | Yes | Int | Listening port of backend CVM of load balancer listener. Value range: 1-65535. |
| backends.n.weight | No | Int | Weight of CVM. Value range is 0-100. Default is 10. |
| Parameter Name | Type | Description |
|---|---|---|
| code | Int | Common error code. 0: Successful; other values: Failed. For more information, please see Common Error Codes on the Error Codes page. |
| message | String | Module error message description depending on API. |
| codeDesc | String | Error code. For a successful operation, "Success" is returned. For a failed operation, a message describing the failure is returned. |
| requestId | Int | Request task ID. The operation status can be queried via the API DescribeLoadBalancersTaskResult. |
Request
https://lb.api.qcloud.com/v2/index.php?Action=ModifyForwardSeventhBackends
&<Common request parameters>
loadBalancerId=lb-6efswuxa
&listenerId=lbl-20cxbf40
&locationIds.1=loc-h8uwer1g
&locationIds.0=loc-hvzwsyqq
&backends.0.instanceId=ins-0zsyoybo
&backends.0.port=80
&backends.0.weight=0Response
{
"code": 0,
"message": "",
"codeDesc": "Success",
"requestId": 28077
}
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