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    ModifyRule

    Last updated: 2021-04-07 19:47:19
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    1. API Description

    Domain name for API request: clb.tencentcloudapi.com.

    This API (ModifyRule) is used to modify the attributes of a forwarding rule under a layer-7 CLB listener, such as forwarding path, health check attribute, and forwarding policy.
    This is an async API. After it is returned successfully, you can call the DescribeTaskStatus API with the returned RequestID as an input parameter to check whether this task is successful.

    A maximum of 20 requests can be initiated per second for this API.

    Note: This API supports Finance regions. If the common parameter Region is a Finance region, a domain name with the Finance region needs to be specified, for example: clb.ap-shanghai-fsi.tencentcloudapi.com

    We recommend you to use API Explorer
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    API Explorer provides a range of capabilities, including online call, signature authentication, SDK code generation, and API quick search. It enables you to view the request, response, and auto-generated examples.

    2. Input Parameters

    The following request parameter list only provides API request parameters and some common parameters. For the complete common parameter list, see Common Request Parameters.

    Parameter Name Required Type Description
    Action Yes String Common parameter. The value used for this API: ModifyRule.
    Version Yes String Common parameter. The value used for this API: 2018-03-17.
    Region Yes String Common parameter. For more information, please see the list of regions supported by the product.
    LoadBalancerId Yes String CLB instance ID
    ListenerId Yes String CLB listener ID
    LocationId Yes String ID of the forwarding rule to be modified.
    Url No String New forwarding path of the forwarding rule. This parameter is not required if the URL does not need to be modified.
    HealthCheck No HealthCheck Health check information
    Scheduler No String Request forwarding method of the rule. Value range: WRR, LEAST_CONN, IP_HASH
    They represent weighted round robin, least connections, and IP hash, respectively. Default value: WRR.
    SessionExpireTime No Integer Session persistence time
    ForwardType No String Forwarding protocol between CLB instance and real server. Default value: HTTP. Valid values: HTTP, HTTPS, and TRPC.
    TrpcCallee No String TRPC callee server route, which is required when ForwardType is "TRPC".
    TrpcFunc No String TRPC calling service API, which is required when ForwardType is "TRPC".

    3. Output Parameters

    Parameter Name Type Description
    RequestId String The unique request ID, which is returned for each request. RequestId is required for locating a problem.

    4. Example

    Example1 Modifying the health check parameter and forwarding policy of a forwarding rule

    Input Example

    https://clb.tencentcloudapi.com/?Action=ModifyRule
&LoadBalancerId=lb-cuxw2rm0
&ListenerId=lbl-4fbxq45k
&LocationId=loc-9dr7bsl3
&Url=/bar
&Scheduler=LEAST_CONN
&SessionExpireTime=75
&HealthCheck.HealthSwitch=1
&HealthCheck.IntervalTime=50
&HealthCheck.HealthNum=3
&HealthCheck.UnHealthNum=3
&HealthCheck.HttpCode=7
&HealthCheck.HttpCheckPath=/check
&HealthCheck.HttpCheckDomain=foo.net
&HealthCheck.HttpCheckMethod=GET
&<Common request parameters>

    Output Example

    {
  "Response": {
    "RequestId": "6d846dfd-27f3-4d74-bc00-ec9ae0570cb0"
  }
}

    5. Developer Resources

    SDK

    TencentCloud API 3.0 integrates SDKs that support various programming languages to make it easier for you to call APIs.

    Command Line Interface

    6. Error Code

    The following only lists the error codes related to the API business logic. For other error codes, see Common Error Codes.

    Error Code Description
    FailedOperation Operation failed.
    InternalError Internal error.
    InvalidParameter Parameter error.
    InvalidParameter.FormatError Wrong parameter format.
    InvalidParameterValue Incorrect parameter value.
    InvalidParameterValue.Length Wrong parameter length.
    MissingParameter Missing parameter.
    UnauthorizedOperation Unauthorized operation.
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