AWS Application Auto Scaling Scheduled Action
This page shows how to write Terraform and CloudFormation for Application Auto Scaling Scheduled Action and write them securely.
aws_appautoscaling_scheduled_action (Terraform)
The Scheduled Action in Application Auto Scaling can be configured in Terraform with the resource name aws_appautoscaling_scheduled_action. The following sections describe 2 examples of how to use the resource and its parameters.
Example Usage from GitHub
resource "aws_appautoscaling_scheduled_action" "autoscaling_week_schedule" {
name = element(split(";", var.FleetScheduleName),0)
service_namespace = aws_appautoscaling_target.ScalableTarget.service_namespace
resource_id = aws_appautoscaling_target.ScalableTarget.resource_id
scalable_dimension = aws_appautoscaling_target.ScalableTarget.scalable_dimension
schedule = element(split(";", var.FleetSchedule),0)
resource "aws_appautoscaling_scheduled_action" "ADOBuilderWeekdayScaleUp" {
count = var.enable_scaling ? 1 : 0
name = "ADOBuilderScaleUp"
service_namespace = aws_appautoscaling_target.AzureDevOpsBuilderServiceAutoScalingTarget[0].service_namespace
resource_id = aws_appautoscaling_target.AzureDevOpsBuilderServiceAutoScalingTarget[0].resource_id
scalable_dimension = aws_appautoscaling_target.AzureDevOpsBuilderServiceAutoScalingTarget[0].scalable_dimension
Parameters
-
arnoptional computed - string -
end_timeoptional - string -
idoptional computed - string -
namerequired - string -
resource_idrequired - string -
scalable_dimensionrequired - string -
schedulerequired - string -
service_namespacerequired - string -
start_timeoptional - string -
timezoneoptional - string -
scalable_target_actionlist block-
max_capacityoptional - string -
min_capacityoptional - string
-
Explanation in Terraform Registry
Provides an Application AutoScaling ScheduledAction resource.
AWS::ApplicationAutoScaling::ScalableTarget ScheduledAction (CloudFormation)
The ScalableTarget ScheduledAction in ApplicationAutoScaling can be configured in CloudFormation with the resource name AWS::ApplicationAutoScaling::ScalableTarget ScheduledAction. The following sections describe how to use the resource and its parameters.
Example Usage from GitHub
An example could not be found in GitHub.
Parameters
EndTime
The date and time that the action is scheduled to end, in UTC.
Required: No
Type: Timestamp
Update requires: No interruption
ScalableTargetAction
The new minimum and maximum capacity. You can set both values or just one. At the scheduled time, if the current capacity is below the minimum capacity, Application Auto Scaling scales out to the minimum capacity. If the current capacity is above the maximum capacity, Application Auto Scaling scales in to the maximum capacity.
Required: No
Type: ScalableTargetAction
Update requires: No interruption
Schedule
The schedule for this action. The following formats are supported:
- At expressions - "
at(yyyy-mm-ddThh:mm:ss)" - Rate expressions - "
rate(value unit)" - Cron expressions - "
cron(fields)" At expressions are useful for one-time schedules. Cron expressions are useful for scheduled actions that run periodically at a specified date and time, and rate expressions are useful for scheduled actions that run at a regular interval.
At and cron expressions use Universal Coordinated Time (UTC) by default.
The cron format consists of six fields separated by white spaces: [Minutes] [Hours] [Dayof_Month] [Month] [Day_of_Week] [Year].
For rate expressions, _value is a positive integer and unit isminute|minutes|hour|hours|day|days.
Required: Yes
Type: String
Minimum:1
Maximum:1600
Pattern:[\u0020-\uD7FF\uE000-\uFFFD\uD800\uDC00-\uDBFF\uDFFF\r\n\t]*
Update requires: No interruption
ScheduledActionName
The name of the scheduled action. This name must be unique among all other scheduled actions on the specified scalable target.
Required: Yes
Type: String
Minimum: 1
Maximum: 256
Pattern: (?!((^[ ]+.*)|(.*([\u0000-\u001f]|[\u007f-\u009f]|[:/|])+.*)|(.*[ ]+$))).+
Update requires: No interruption
StartTime
The date and time that the action is scheduled to begin, in UTC.
Required: No
Type: Timestamp
Update requires: No interruption
Timezone
The time zone used when referring to the date and time of a scheduled action, when the scheduled action uses an at or cron expression.
Required: No
Type: String
Minimum: 1
Maximum: 1600
Pattern: [\u0020-\uD7FF\uE000-\uFFFD\uD800\uDC00-\uDBFF\uDFFF\r\n\t]*
Update requires: No interruption
Explanation in CloudFormation Registry
ScheduledActionis a property of the AWS::ApplicationAutoScaling::ScalableTarget resource that specifies a scheduled action for a scalable target. For more information, see PutScheduledAction in the Application Auto Scaling API Reference. For more information about scheduled scaling, including the format for cron expressions, see Scheduled scaling in the Application Auto Scaling User Guide.
Frequently asked questions
What is AWS Application Auto Scaling Scheduled Action?
AWS Application Auto Scaling Scheduled Action is a resource for Application Auto Scaling of Amazon Web Service. Settings can be wrote in Terraform and CloudFormation.
Where can I find the example code for the AWS Application Auto Scaling Scheduled Action?
For Terraform, the liberops/Terraform-AWS-Appstream and KyMidd/Terraform_ADO_ECR_Multi-Account_Access source code examples are useful. See the Terraform Example section for further details.
