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Glossary

CreateScheduledAction

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Última atualização: 2025-12-22 10:40:28

1. API Description

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

This API (CreateScheduledAction) is used to create a scheduled task.

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: CreateScheduledAction.
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 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.
  • .
    ScheduledActionName Yes String Scheduled task name, which can only contain letters, numbers, underscores, hyphens ("-"), and decimal points with a maximum length of 60 bytes and must be unique in an auto scaling group.
    MinSize Yes Integer The minimum number of instances set for the auto scaling group when the scheduled task is triggered.
    StartTime Yes Timestamp ISO8601 Initial triggered time of the scheduled task. The value is in Beijing time (UTC+8) in the format of YYYY-MM-DDThh:mm:ss+08:00 according to the ISO8601 standard.
    DesiredCapacity Yes Integer The desired number of instances set for the auto scaling group when the scheduled task is triggered.
    MaxSize Yes Integer The maximum number of instances set for the auto scaling group when the scheduled task is triggered.
    EndTime No Timestamp ISO8601 End time of the scheduled task. The value is in Beijing time (UTC+8) in the format of YYYY-MM-DDThh:mm:ss+08:00 according to the ISO8601 standard.

    This parameter and Recurrence need to be specified at the same time. After the end time, the scheduled task will no longer take effect.
    Recurrence No String The repeating mode of a scheduled task follows the standard Cron format. the Recurrence parameter limits in a scheduled task consist of 5 fields separated by spaces, with the structure: minute, hour, date, month, week. this parameter must be simultaneously specified with EndTime.
    DisableUpdateDesiredCapacity No Boolean Disable update DesiredCapacity Indicates the DesiredCapacity is updated normally during scheduled task triggering.

    Specifies whether the scheduled task triggers proactive modification of the DesiredCapacity when the value is True. DesiredCapacity may be modified by the minSize and maxSize mechanism.
    The following cases assume that DisableUpdateDesiredCapacity is True:
    - When scheduled task triggered, the original DesiredCapacity is 5. The scheduled task changes the minSize to 10, the maxSize to 20, and the DesiredCapacity to 15. Since the DesiredCapacity update is disabled, 15 does not take effect. However, the original DesiredCapacity 5 is less than minSize 10, so the final new DesiredCapacity is 10.
    - When scheduled task triggered, the original DesiredCapacity is 25. The scheduled task changes the minSize to 10 and the maxSize to 20, and the DesiredCapacity to 15. Since the DesiredCapacity update is disabled, 15 does not take effect. However, the original DesiredCapacity 25 is greater than the maxSize 20, so the final new DesiredCapacity is 20.
    - When scheduled task triggered, the original DesiredCapacity is 13. The scheduled task changes the minSize to 10 and the maxSize to 20, and the DesiredCapacity to 15. Since the DesiredCapacity update is disabled, 15 does not take effect, and the DesiredCapacity is still 13.

    3. Output Parameters

    Parameter Name Type Description
    ScheduledActionId String Scheduled task 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 Creating a One-Time Execution Scheduled Task

    This example shows you how to create a scheduled task to adjust the scaling group's maximum instance count, minimum number of instances and expected number of instances to 10, 4 and 6 at the specified time (23:00 on August 28, 2018 UTC+8).

    Input Example

    POST / HTTP/1.1
    Host: as.intl.tencentcloudapi.com
    Content-Type: application/json
    X-TC-Action: CreateScheduledAction
    <Common request parameters>
    
    {
        "DesiredCapacity": 6,
        "AutoScalingGroupId": "asg-2nr9xh8h",
        "MinSize": 4,
        "MaxSize": 10,
        "ScheduledActionName": "scheduled-action-0",
        "StartTime": "2018-08-28T23:00:00+08:00"
    }

    Output Example

    {
        "Response": {
            "ScheduledActionId": "asst-chwbkq4c",
            "RequestId": "193a710f-8dbf-46aa-8b4a-195532244df8"
        }
    }

    Example2 Creating a Scheduled Task with Repeated Execution

    This example shows you how to create a scheduled task that adjusts the scaling group's maximum instance count, minimum number of instances and expected number of instances to 7, 2 and 3 daily at 23:00 UTC+8 starting from August 28, 2018, and ends after 00:00 UTC+8 on January 1, 2019.

    Input Example

    POST / HTTP/1.1
    Host: as.intl.tencentcloudapi.com
    Content-Type: application/json
    X-TC-Action: CreateScheduledAction
    <Common request parameters>
    
    {
        "Recurrence": "0 23 * * *",
        "DesiredCapacity": 3,
        "AutoScalingGroupId": "asg-2nr9xh8h",
        "MinSize": 2,
        "MaxSize": 7,
        "ScheduledActionName": "scheduled-action-1",
        "StartTime": "2018-08-28T23:00:00+08:00",
        "EndTime": "2019-01-01T00:00:00+08:00"
    }

    Output Example

    {
        "Response": {
            "ScheduledActionId": "asst-le3us530",
            "RequestId": "502fd6fa-44ff-4c79-b77e-ee20f72bddc0"
        }
    }

    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
    InternalError An internal error occurred.
    InvalidParameter.ActionNotFound Invalid Action request.
    InvalidParameterValue.CronExpressionIllegal The cron expression specified for the scheduled task is invalid.
    InvalidParameterValue.EndTimeBeforeStartTime The end time of the scheduled task is before the start time.
    InvalidParameterValue.InvalidAutoScalingGroupId Invalid scaling group ID.
    InvalidParameterValue.InvalidScheduledActionNameIncludeIllegalChar The scheduled task name contains invalid characters.
    InvalidParameterValue.ScheduledActionNameDuplicate The scheduled task name already exists.
    InvalidParameterValue.Size The value of maximum, minimum, or desired number of instances in the auto scaling group is invalid.
    InvalidParameterValue.StartTimeBeforeCurrentTime The start time of the scheduled task is before the current time.
    InvalidParameterValue.TimeFormat Wrong time format.
    InvalidParameterValue.TooLong Too many values.
    LimitExceeded.DesiredCapacityLimitExceeded The desired number of instances exceeds the limit.
    LimitExceeded.MaxSizeLimitExceeded The maximum number of instances exceeds the limit.
    LimitExceeded.MinSizeLimitExceeded The minimum number of instances is below the limit.
    LimitExceeded.QuotaNotEnough You are short of the quota.
    LimitExceeded.ScheduledActionLimitExceeded The number of scheduled tasks exceeds the limit.
    MissingParameter Parameter missing.
    ResourceNotFound.AutoScalingGroupNotFound The scaling group does not exist.

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