AWS::EC2::CapacityReservation - AWS CloudFormation
SyntaxPropertiesReturn valuesSee also

AWS::EC2::CapacityReservation

Creates a new Capacity Reservation with the specified attributes. For more information, see Capacity Reservations in the Amazon EC2 User Guide.

Syntax

To declare this entity in your AWS CloudFormation template, use the following syntax:

JSON

{
  "Type" : "AWS::EC2::CapacityReservation",
  "Properties" : {
      "AvailabilityZone" : String,
      "EbsOptimized" : Boolean,
      "EndDate" : String,
      "EndDateType" : String,
      "EphemeralStorage" : Boolean,
      "InstanceCount" : Integer,
      "InstanceMatchCriteria" : String,
      "InstancePlatform" : String,
      "InstanceType" : String,
      "OutPostArn" : String,
      "PlacementGroupArn" : String,
      "TagSpecifications" : [ TagSpecification, ... ],
      "Tenancy" : String,
      "UnusedReservationBillingOwnerId" : String
    }
}

YAML

Type: AWS::EC2::CapacityReservation
Properties:
  AvailabilityZone: String
  EbsOptimized: Boolean
  EndDate: String
  EndDateType: String
  EphemeralStorage: Boolean
  InstanceCount: Integer
  InstanceMatchCriteria: String
  InstancePlatform: String
  InstanceType: String
  OutPostArn: String
  PlacementGroupArn: String
  TagSpecifications: 
    - TagSpecification
  Tenancy: String
  UnusedReservationBillingOwnerId: String

Properties

AvailabilityZone

The Availability Zone in which to create the Capacity Reservation.

Required: Yes

Type: String

Update requires: Replacement

EbsOptimized

Indicates whether the Capacity Reservation supports EBS-optimized instances. This optimization provides dedicated throughput to Amazon EBS and an optimized configuration stack to provide optimal I/O performance. This optimization isn't available with all instance types. Additional usage charges apply when using an EBS- optimized instance.

Required: No

Type: Boolean

Update requires: Replacement

EndDate

The date and time at which the Capacity Reservation expires. When a Capacity Reservation expires, the reserved capacity is released and you can no longer launch instances into it. The Capacity Reservation's state changes to expired when it reaches its end date and time.

You must provide an EndDate value if EndDateType is limited. Omit EndDate if EndDateType is unlimited.

If the EndDateType is limited, the Capacity Reservation is cancelled within an hour from the specified time. For example, if you specify 5/31/2019, 13:30:55, the Capacity Reservation is guaranteed to end between 13:30:55 and 14:30:55 on 5/31/2019.

If you are requesting a future-dated Capacity Reservation, you can't specify an end date and time that is within the commitment duration.

Required: No

Type: String

Update requires: No interruption

EndDateType

Indicates the way in which the Capacity Reservation ends. A Capacity Reservation can have one of the following end types:

  • unlimited - The Capacity Reservation remains active until you explicitly cancel it. Do not provide an EndDate if the EndDateType is unlimited.

  • limited - The Capacity Reservation expires automatically at a specified date and time. You must provide an EndDate value if the EndDateType value is limited.

Required: No

Type: String

Allowed values: unlimited | limited

Update requires: No interruption

EphemeralStorage

Deprecated.

Required: No

Type: Boolean

Update requires: Replacement

InstanceCount

The number of instances for which to reserve capacity.

Note

You can request future-dated Capacity Reservations for an instance count with a minimum of 100 VPUs. For example, if you request a future-dated Capacity Reservation for m5.xlarge instances, you must request at least 25 instances (25 * m5.xlarge = 100 vCPUs).

Valid range: 1 - 1000

Required: Yes

Type: Integer

Update requires: No interruption

InstanceMatchCriteria

Indicates the type of instance launches that the Capacity Reservation accepts. The options include:

  • open - The Capacity Reservation automatically matches all instances that have matching attributes (instance type, platform, and Availability Zone). Instances that have matching attributes run in the Capacity Reservation automatically without specifying any additional parameters.

  • targeted - The Capacity Reservation only accepts instances that have matching attributes (instance type, platform, and Availability Zone), and explicitly target the Capacity Reservation. This ensures that only permitted instances can use the reserved capacity.

Note

If you are requesting a future-dated Capacity Reservation, you must specify targeted.

Default: open

Required: No

Type: String

Allowed values: open | targeted

Update requires: No interruption

InstancePlatform

The type of operating system for which to reserve capacity.

Required: Yes

Type: String

Allowed values: Linux/UNIX | Red Hat Enterprise Linux | SUSE Linux | Windows | Windows with SQL Server | Windows with SQL Server Enterprise | Windows with SQL Server Standard | Windows with SQL Server Web | Linux with SQL Server Standard | Linux with SQL Server Web | Linux with SQL Server Enterprise | RHEL with SQL Server Standard | RHEL with SQL Server Enterprise | RHEL with SQL Server Web | RHEL with HA | RHEL with HA and SQL Server Standard | RHEL with HA and SQL Server Enterprise | Ubuntu Pro

Update requires: Replacement

InstanceType

The instance type for which to reserve capacity.

Note

You can request future-dated Capacity Reservations for instance types in the C, M, R, I, and T instance families only.

For more information, see Instance types in the Amazon EC2 User Guide.

Required: Yes

Type: String

Update requires: Replacement

OutPostArn
Note

Not supported for future-dated Capacity Reservations.

The Amazon Resource Name (ARN) of the Outpost on which to create the Capacity Reservation.

Required: No

Type: String

Pattern: ^arn:aws([a-z-]+)?:outposts:[a-z\d-]+:\d{12}:outpost/op-[a-f0-9]{17}$

Update requires: Replacement

PlacementGroupArn
Note

Not supported for future-dated Capacity Reservations.

The Amazon Resource Name (ARN) of the cluster placement group in which to create the Capacity Reservation. For more information, see Capacity Reservations for cluster placement groups in the Amazon EC2 User Guide.

Required: No

Type: String

Pattern: ^arn:aws([a-z-]+)?:ec2:[a-z\d-]+:\d{12}:placement-group/^.{1,255}$

Update requires: Replacement

TagSpecifications

The tags to apply to the Capacity Reservation during launch.

Required: No

Type: Array of TagSpecification

Update requires: Replacement

Tenancy

Indicates the tenancy of the Capacity Reservation. A Capacity Reservation can have one of the following tenancy settings:

  • default - The Capacity Reservation is created on hardware that is shared with other AWS accounts.

  • dedicated - The Capacity Reservation is created on single-tenant hardware that is dedicated to a single AWS account.

Required: No

Type: String

Allowed values: default | dedicated

Update requires: Replacement

UnusedReservationBillingOwnerId

The ID of the AWS account to which to assign billing of the unused capacity of the Capacity Reservation. A request will be sent to the specified account. That account must accept the request for the billing to be assigned to their account. For more information, see Billing assignment for shared Amazon EC2 Capacity Reservations.

You can assign billing only for shared Capacity Reservations. To share a Capacity Reservation, you must add it to a resource share. For more information, see AWS::RAM::ResourceShare.

Required: No

Type: String

Pattern: [0-9]{12}

Minimum: 12

Maximum: 12

Update requires: No interruption

Return values

Ref

When you pass the logical ID of this resource to the intrinsic Ref function, Ref returns the resource ID, such as cr-1234ab5cd6789e0f1.

For more information about using the Ref function, see Ref.

Fn::GetAtt

The Fn::GetAtt intrinsic function returns a value for a specified attribute of this type. The following are the available attributes and sample return values.

For more information about using the Fn::GetAtt intrinsic function, see Fn::GetAtt.

AvailabilityZone

Returns the Availability Zone in which the capacity is reserved. For example: us-east-1a.

AvailableInstanceCount

Returns the remaining capacity, which indicates the number of instances that can be launched in the Capacity Reservation. For example: 9.

Id

The ID of the Capacity Reservation.

InstanceType

Returns the type of instance for which the capacity is reserved. For example: m4.large.

Tenancy

Returns the tenancy of the Capacity Reservation. For example: dedicated.

TotalInstanceCount

Returns the total number of instances for which the Capacity Reservation reserves capacity. For example: 15.

See also