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AttachLoadBalancers

Last updated: 2024-03-20 11:37:51

    1. API Description

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

    This API is used to add CLBs to a security group.

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

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    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 Params. The value used for this API: AttachLoadBalancers.
    Version Yes String Common Params. The value used for this API: 2018-04-19.
    Region No String Common Params. This parameter is not required for this API.
    AutoScalingGroupId Yes String Scaling group ID
    LoadBalancerIds.N No Array of String List of classic CLB IDs. Up to 20 classic CLBs can be bound to a security group. LoadBalancerIds and ForwardLoadBalancers cannot be specified at the same time.
    ForwardLoadBalancers.N No Array of ForwardLoadBalancer List of application CLBs. Up to 100 application CLBs can be bound to a scaling group. LoadBalancerIds and ForwardLoadBalancers cannot be specified at the same time.

    3. Output Parameters

    Parameter Name Type Description
    ActivityId String Scaling activity ID
    RequestId String The unique request ID, generated by the server, will be returned for every request (if the request fails to reach the server for other reasons, the request will not obtain a RequestId). RequestId is required for locating a problem.

    4. Example

    Example1 Adding the classic CLB lb-crhgatrf to the security group

    Input Example

    POST / HTTP/1.1
    Host: as.tencentcloudapi.com
    Content-Type: application/json
    X-TC-Action: AttachLoadBalancers
    <Common request parameters>
    
    {
        "AutoScalingGroupId": "asg-12wjuh0s",
        "LoadBalancerIds": [
            "lb-crhgatrf"
        ]
    }
    

    Output Example

    {
        "Response": {
            "ActivityId": "asa-67izy66g",
            "RequestId": "bd3c91e8-3051-4c02-ac58-54d47b9c9d63"
        }
    }
    

    Example2 Adding the application CLB lb-23aejgcv (listener: lbl-ncw704sn, forwarding rule ID: loc-l3hmaev9) to the scaling group

    Input Example

    POST / HTTP/1.1
    Host: as.tencentcloudapi.com
    Content-Type: application/json
    X-TC-Action: AttachLoadBalancers
    <Common request parameters>
    
    {
        "AutoScalingGroupId": "asg-12wjuh0s",
        "ForwardLoadBalancers": [
            {
                "TargetAttributes": [
                    {
                        "Port": "8080",
                        "Weight": "10"
                    }
                ],
                "Region": "ap-guangzhou",
                "LocationId": "loc-l3hmaev9",
                "ListenerId": "lbl-ncw704sn",
                "LoadBalancerId": "lb-23aejgcv"
            }
        ]
    }
    

    Output Example

    {
        "Response": {
            "ActivityId": "asa-9asddelc",
            "RequestId": "8d78668d-61eb-456d-855b-f34f91371089"
        }
    }
    

    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.NoActivityToGenerate No scaling activity is generated.
    InternalError.CallLbError CLB API call failed.
    InternalError.RequestError An internal request error occurred.
    InvalidParameter.ActionNotFound Invalid Action request.
    InvalidParameter.Conflict Multiple parameters specified conflict and cannot co-exist.
    InvalidParameter.InScenario The parameter is invalid in a specific scenario.
    InvalidParameter.MustOneParameter A parameter is missing. One of the two parameters must be specified.
    InvalidParameterValue.ClassicLb A classic CLB should be specified.
    InvalidParameterValue.DuplicatedForwardLb Duplicate CLB instances
    InvalidParameterValue.ForwardLb A CLB should be specified.
    InvalidParameterValue.InvalidAutoScalingGroupId Invalid scaling group ID.
    InvalidParameterValue.InvalidClbRegion The regions specified for CLB is invalid.
    InvalidParameterValue.LimitExceeded The value exceeds the limit.
    InvalidParameterValue.ListenerTargetTypeNotSupported Target group listeners are not supported.
    InvalidParameterValue.Range The value is outside the specified range.
    InvalidParameterValue.TargetPortDuplicated The backend port of the CLB layer-4 listener already exists.
    LimitExceeded.AfterAttachLbLimitExceeded Binding with the specified CLBs will make the total number of bound CLBs exceeds the upper limit.
    MissingParameter.InScenario A parameter is missing in a specific scenario.
    ResourceNotFound.AutoScalingGroupNotFound The scaling group does not exist.
    ResourceNotFound.ListenerNotFound The specified listener does not exist.
    ResourceNotFound.LoadBalancerNotFound The specified load balancer was not found.
    ResourceNotFound.LocationNotFound The specified location does not exist.
    ResourceUnavailable.AutoScalingGroupInActivity The auto scaling group is active.
    ResourceUnavailable.LbBackendRegionInconsistent The backend region of the CLB is not the same as the one for AS service.
    ResourceUnavailable.LbProjectInconsistent The CLBs are not in the same project.
    ResourceUnavailable.LbVpcInconsistent The CLB and scaling group should reside in the same VPC.
    ResourceUnavailable.LoadBalancerInOperation CLB is active in the scaling group.
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