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AttachInstances

Last updated: 2024-10-25 15:15:58

    1. API Description

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

    This API is used to add CVM instances to an auto scaling group.

    • Only CVM instances in RUNNING or STOPPED status can be added.
    • The added CVM instances must in the same VPC as the scaling group.

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

    We recommend you to use API Explorer
    Try it
    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 Params. The value used for this API: AttachInstances.
    Version Yes String Common Params. The value used for this API: 2018-04-19.
    Region Yes String Common Params. For more information, please see the list of regions supported by the product.
    AutoScalingGroupId Yes String Auto scaling group ID
    InstanceIds.N Yes Array of String List of CVM instance IDs

    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 an instance to a scaling group

    Input Example

    POST / HTTP/1.1
Host: as.tencentcloudapi.com
Content-Type: application/json
X-TC-Action: AttachInstances
<Common request parameters>

{
    "AutoScalingGroupId": "asg-boz1qhnk",
    "InstanceIds": [
        "ins-osckfnm7",
        "ins-cri8d02t"
    ]
}

    Output Example

    {
    "Response": {
        "ActivityId": "asa-q59zikez",
        "RequestId": "5b039ee6-e8ff-4605-bb24-b45337747431"
    }
}

    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 An internal error occurred.
    InternalError.CalleeError Exceptions occurred while invoking other services.
    InternalError.RequestError An internal request error occurred.
    InvalidParameter.ActionNotFound Invalid Action request.
    InvalidParameterValue.InvalidAutoScalingGroupId Invalid scaling group ID.
    InvalidParameterValue.InvalidInstanceId Invalid instance ID.
    InvalidParameterValue.LimitExceeded The value exceeds the limit.
    ResourceInsufficient.AutoScalingGroupAboveMaxSize The maximum number of instances in the auto scaling group is exceeded.
    ResourceInsufficient.InServiceInstanceAboveMaxSize The number of instances in a scaling group is more than the maximum capacity.
    ResourceNotFound.AutoScalingGroupNotFound The scaling group does not exist.
    ResourceNotFound.InstancesNotFound The specified instance does not exist.
    ResourceUnavailable.AutoScalingGroupInActivity The auto scaling group is active.
    ResourceUnavailable.CvmVpcInconsistent The instance and the auto scaling group are in different VPCs.
    ResourceUnavailable.InstanceCannotAttach Unable to add the instance to the scaling group.
    ResourceUnavailable.InstanceInOperation The specified instance is active.
    ResourceUnavailable.InstancesAlreadyInAutoScalingGroup The instance already exists in the auto scaling group.
    ResourceUnavailable.LoadBalancerInOperation CLB is active in the scaling group.
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