tencent cloud

SetInstancesProtection
Last updated: 2025-10-30 21:28:09
SetInstancesProtection
Last updated: 2025-10-30 21:28:09

1. API Description

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

This API is used to enable scale-in protection for an instance.
When scale-in protection is enabled, the instance will not be removed in scale-in activities triggered by replacement of unhealthy instances, alarm threshold reached, change of desired quantity, etc.

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: SetInstancesProtection.
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. obtain available scaling group ids in the following ways:.
  • Query the scaling group ID by logging in to the console.
    • .
  • Specifies the scaling group ID obtained by calling the api DescribeAutoScalingGroups and retrieving the AutoScalingGroupId from the return information.
    • .
    InstanceIds.N Yes Array of String Instance ID. you can obtain available instance ID in the following ways:.
  • Query instance ID by logging in to the console.
    • .
  • Specifies the instance ID by calling the api DescribeInstances and getting InstanceId from the return information.
    • .
    ProtectedFromScaleIn Yes Boolean Whether to enable scale-in protection for this instance

    3. Output Parameters

    Parameter Name Type Description
    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 Enabling scale-in protection for an instance

    Input Example

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

{
    "AutoScalingGroupId": "asg-2umy3jbd",
    "ProtectedFromScaleIn": "true",
    "InstanceIds": [
        "ins-b2d33ywt"
    ]
}

    Output Example

    {
    "Response": {
        "RequestId": "5b7168d9-5709-4d69-bd32-880a2f565e33"
    }
}

    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
    InvalidParameter.ActionNotFound Invalid Action request.
    InvalidParameterValue.InvalidAutoScalingGroupId Invalid scaling group ID.
    InvalidParameterValue.InvalidInstanceId Invalid instance ID.
    InvalidParameterValue.LimitExceeded The value exceeds the limit.
    ResourceNotFound.AutoScalingGroupNotFound The scaling group does not exist.
    ResourceNotFound.InstancesNotInAutoScalingGroup The target instance is not in the auto scaling group.
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