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[ aws . application-autoscaling ]

put-scheduled-action

Description

Creates or updates a scheduled action for an Application Auto Scaling scalable target.

Each scalable target is identified by a service namespace, resource ID, and scalable dimension. A scheduled action applies to the scalable target identified by those three attributes. You cannot create a scheduled action until you have registered the resource as a scalable target.

When start and end times are specified with a recurring schedule using a cron expression or rates, they form the boundaries of when the recurring action starts and stops.

To update a scheduled action, specify the parameters that you want to change. If you don't specify start and end times, the old values are deleted.

For more information, see Scheduled Scaling in the Application Auto Scaling User Guide .

Note

If a scalable target is deregistered, the scalable target is no longer available to run scheduled actions. Any scheduled actions that were specified for the scalable target are deleted.

See also: AWS API Documentation

See 'aws help' for descriptions of global parameters.

Synopsis

  put-scheduled-action
--service-namespace <value>
[--schedule <value>]
--scheduled-action-name <value>
--resource-id <value>
--scalable-dimension <value>
[--start-time <value>]
[--end-time <value>]
[--scalable-target-action <value>]
[--cli-input-json <value>]
[--generate-cli-skeleton <value>]

Options

--service-namespace (string)

The namespace of the AWS service that provides the resource. For a resource provided by your own application or service, use custom-resource instead.

Possible values:

  • ecs
  • elasticmapreduce
  • ec2
  • appstream
  • dynamodb
  • rds
  • sagemaker
  • custom-resource
  • comprehend
  • lambda
  • cassandra

--schedule (string)

The schedule for this action. The following formats are supported:

  • At expressions - "at(*yyyy* -*mm* -*dd* T*hh* :*mm* :*ss* ) "
  • Rate expressions - "rate(*value*  *unit* ) "
  • Cron expressions - "cron(*fields* ) "

At expressions are useful for one-time schedules. Specify the time in UTC.

For rate expressions, value is a positive integer and unit is minute | minutes | hour | hours | day | days .

For more information about cron expressions, see Cron Expressions in the Amazon CloudWatch Events User Guide .

For examples of using these expressions, see Scheduled Scaling in the Application Auto Scaling User Guide .

--scheduled-action-name (string)

The name of the scheduled action. This name must be unique among all other scheduled actions on the specified scalable target.

--resource-id (string)

The identifier of the resource associated with the scheduled action. This string consists of the resource type and unique identifier.

  • ECS service - The resource type is service and the unique identifier is the cluster name and service name. Example: service/default/sample-webapp .
  • Spot Fleet request - The resource type is spot-fleet-request and the unique identifier is the Spot Fleet request ID. Example: spot-fleet-request/sfr-73fbd2ce-aa30-494c-8788-1cee4EXAMPLE .
  • EMR cluster - The resource type is instancegroup and the unique identifier is the cluster ID and instance group ID. Example: instancegroup/j-2EEZNYKUA1NTV/ig-1791Y4E1L8YI0 .
  • AppStream 2.0 fleet - The resource type is fleet and the unique identifier is the fleet name. Example: fleet/sample-fleet .
  • DynamoDB table - The resource type is table and the unique identifier is the table name. Example: table/my-table .
  • DynamoDB global secondary index - The resource type is index and the unique identifier is the index name. Example: table/my-table/index/my-table-index .
  • Aurora DB cluster - The resource type is cluster and the unique identifier is the cluster name. Example: cluster:my-db-cluster .
  • Amazon SageMaker endpoint variant - The resource type is variant and the unique identifier is the resource ID. Example: endpoint/my-end-point/variant/KMeansClustering .
  • Custom resources are not supported with a resource type. This parameter must specify the OutputValue from the CloudFormation template stack used to access the resources. The unique identifier is defined by the service provider. More information is available in our GitHub repository .
  • Amazon Comprehend document classification endpoint - The resource type and unique identifier are specified using the endpoint ARN. Example: arn:aws:comprehend:us-west-2:123456789012:document-classifier-endpoint/EXAMPLE .
  • Lambda provisioned concurrency - The resource type is function and the unique identifier is the function name with a function version or alias name suffix that is not $LATEST . Example: function:my-function:prod or function:my-function:1 .
  • Amazon Keyspaces table - The resource type is table and the unique identifier is the table name. Example: keyspace/mykeyspace/table/mytable .

--scalable-dimension (string)

The scalable dimension. This string consists of the service namespace, resource type, and scaling property.

  • ecs:service:DesiredCount - The desired task count of an ECS service.
  • ec2:spot-fleet-request:TargetCapacity - The target capacity of a Spot Fleet request.
  • elasticmapreduce:instancegroup:InstanceCount - The instance count of an EMR Instance Group.
  • appstream:fleet:DesiredCapacity - The desired capacity of an AppStream 2.0 fleet.
  • dynamodb:table:ReadCapacityUnits - The provisioned read capacity for a DynamoDB table.
  • dynamodb:table:WriteCapacityUnits - The provisioned write capacity for a DynamoDB table.
  • dynamodb:index:ReadCapacityUnits - The provisioned read capacity for a DynamoDB global secondary index.
  • dynamodb:index:WriteCapacityUnits - The provisioned write capacity for a DynamoDB global secondary index.
  • rds:cluster:ReadReplicaCount - The count of Aurora Replicas in an Aurora DB cluster. Available for Aurora MySQL-compatible edition and Aurora PostgreSQL-compatible edition.
  • sagemaker:variant:DesiredInstanceCount - The number of EC2 instances for an Amazon SageMaker model endpoint variant.
  • custom-resource:ResourceType:Property - The scalable dimension for a custom resource provided by your own application or service.
  • comprehend:document-classifier-endpoint:DesiredInferenceUnits - The number of inference units for an Amazon Comprehend document classification endpoint.
  • lambda:function:ProvisionedConcurrency - The provisioned concurrency for a Lambda function.
  • cassandra:table:ReadCapacityUnits - The provisioned read capacity for an Amazon Keyspaces table.
  • cassandra:table:WriteCapacityUnits - The provisioned write capacity for an Amazon Keyspaces table.

Possible values:

  • ecs:service:DesiredCount
  • ec2:spot-fleet-request:TargetCapacity
  • elasticmapreduce:instancegroup:InstanceCount
  • appstream:fleet:DesiredCapacity
  • dynamodb:table:ReadCapacityUnits
  • dynamodb:table:WriteCapacityUnits
  • dynamodb:index:ReadCapacityUnits
  • dynamodb:index:WriteCapacityUnits
  • rds:cluster:ReadReplicaCount
  • sagemaker:variant:DesiredInstanceCount
  • custom-resource:ResourceType:Property
  • comprehend:document-classifier-endpoint:DesiredInferenceUnits
  • lambda:function:ProvisionedConcurrency
  • cassandra:table:ReadCapacityUnits
  • cassandra:table:WriteCapacityUnits

--start-time (timestamp)

The date and time for this scheduled action to start.

--end-time (timestamp)

The date and time for the recurring schedule to end.

--scalable-target-action (structure)

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.

MinCapacity -> (integer)

The minimum capacity.

For Lambda provisioned concurrency, the minimum value allowed is 0. For all other resources, the minimum value allowed is 1.

MaxCapacity -> (integer)

The maximum capacity.

Shorthand Syntax:

MinCapacity=integer,MaxCapacity=integer

JSON Syntax:

{
  "MinCapacity": integer,
  "MaxCapacity": integer
}

--cli-input-json (string) Performs service operation based on the JSON string provided. The JSON string follows the format provided by --generate-cli-skeleton. If other arguments are provided on the command line, the CLI values will override the JSON-provided values. It is not possible to pass arbitrary binary values using a JSON-provided value as the string will be taken literally.

--generate-cli-skeleton (string) Prints a JSON skeleton to standard output without sending an API request. If provided with no value or the value input, prints a sample input JSON that can be used as an argument for --cli-input-json. If provided with the value output, it validates the command inputs and returns a sample output JSON for that command.

See 'aws help' for descriptions of global parameters.

Examples

To add a scheduled action to a DynamoDB table

This example adds a scheduled action to a DynamoDB table called TestTable to scale out on a recurring schedule. On the specified schedule (every day at 12:15pm UTC), if the current capacity is below the value specified for MinCapacity, Application Auto Scaling scales out to the value specified by MinCapacity.

Command:

aws application-autoscaling put-scheduled-action --service-namespace dynamodb --scheduled-action-name my-recurring-action --schedule "cron(15 12 * * ? *)" --resource-id table/TestTable --scalable-dimension dynamodb:table:WriteCapacityUnits --scalable-target-action MinCapacity=6

For more information, see Scheduled Scaling in the Application Auto Scaling User Guide.

Output

None