Class: Aws::EC2::Types::FleetLaunchTemplateOverrides

Inherits:
Struct
  • Object
show all
Includes:
Structure
Defined in:
lib/aws-sdk-ec2/types.rb

Overview

Describes overrides for a launch template.

See Also:

Constant Summary collapse

SENSITIVE = 
[]

Instance Attribute Summary collapse

Instance Attribute Details

#availability_zone ⇒ String

The Availability Zone in which to launch the instances.

Returns:

  • (String) 


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# File 'lib/aws-sdk-ec2/types.rb', line 35763

class FleetLaunchTemplateOverrides < Struct.new(
  :instance_type,
  :max_price,
  :subnet_id,
  :availability_zone,
  :weighted_capacity,
  :priority,
  :placement,
  :instance_requirements,
  :image_id)
  SENSITIVE = []
  include Aws::Structure
end

#image_id ⇒ String

The ID of the AMI in the format ‘ami-17characters00000`.

Alternatively, you can specify a Systems Manager parameter, using one of the following formats. The Systems Manager parameter will resolve to an AMI ID on launch.

To reference a public parameter:

  • ‘resolve:ssm:public-parameter `

^

To reference a parameter stored in the same account:

  • ‘resolve:ssm:parameter-name `

  • ‘resolve:ssm:parameter-name:version-number `

  • ‘resolve:ssm:parameter-name:label `

To reference a parameter shared from another Amazon Web Services account:

  • ‘resolve:ssm:parameter-ARN `

  • ‘resolve:ssm:parameter-ARN:version-number `

  • ‘resolve:ssm:parameter-ARN:label `

For more information, see [Use a Systems Manager parameter instead of an AMI ID] in the *Amazon EC2 User Guide*.

<note markdown=“1”> This parameter is only available for fleets of type ‘instant`. For fleets of type `maintain` and `request`, you must specify the AMI ID in the launch template.

</note>

[1]: docs.aws.amazon.com/AWSEC2/latest/UserGuide/create-launch-template.html#use-an-ssm-parameter-instead-of-an-ami-id

Returns:

  • (String) 


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# File 'lib/aws-sdk-ec2/types.rb', line 35763

class FleetLaunchTemplateOverrides < Struct.new(
  :instance_type,
  :max_price,
  :subnet_id,
  :availability_zone,
  :weighted_capacity,
  :priority,
  :placement,
  :instance_requirements,
  :image_id)
  SENSITIVE = []
  include Aws::Structure
end

#instance_requirements ⇒ Types::InstanceRequirements

The attributes for the instance types. When you specify instance attributes, Amazon EC2 will identify instance types with those attributes.

<note markdown=“1”> If you specify ‘InstanceRequirements`, you can’t specify ‘InstanceType`.

</note>

Returns:



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# File 'lib/aws-sdk-ec2/types.rb', line 35763

class FleetLaunchTemplateOverrides < Struct.new(
  :instance_type,
  :max_price,
  :subnet_id,
  :availability_zone,
  :weighted_capacity,
  :priority,
  :placement,
  :instance_requirements,
  :image_id)
  SENSITIVE = []
  include Aws::Structure
end

#instance_type ⇒ String

The instance type.

‘mac1.metal` is not supported as a launch template override.

<note markdown=“1”> If you specify ‘InstanceType`, you can’t specify ‘InstanceRequirements`.

</note>

Returns:

  • (String) 


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# File 'lib/aws-sdk-ec2/types.rb', line 35763

class FleetLaunchTemplateOverrides < Struct.new(
  :instance_type,
  :max_price,
  :subnet_id,
  :availability_zone,
  :weighted_capacity,
  :priority,
  :placement,
  :instance_requirements,
  :image_id)
  SENSITIVE = []
  include Aws::Structure
end

#max_price ⇒ String

The maximum price per unit hour that you are willing to pay for a Spot Instance. We do not recommend using this parameter because it can lead to increased interruptions. If you do not specify this parameter, you will pay the current Spot price.

If you specify a maximum price, your instances will be interrupted more frequently than if you do not specify this parameter.

Returns:

  • (String) 


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# File 'lib/aws-sdk-ec2/types.rb', line 35763

class FleetLaunchTemplateOverrides < Struct.new(
  :instance_type,
  :max_price,
  :subnet_id,
  :availability_zone,
  :weighted_capacity,
  :priority,
  :placement,
  :instance_requirements,
  :image_id)
  SENSITIVE = []
  include Aws::Structure
end

#placement ⇒ Types::PlacementResponse

The location where the instance launched, if applicable.

Returns:



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# File 'lib/aws-sdk-ec2/types.rb', line 35763

class FleetLaunchTemplateOverrides < Struct.new(
  :instance_type,
  :max_price,
  :subnet_id,
  :availability_zone,
  :weighted_capacity,
  :priority,
  :placement,
  :instance_requirements,
  :image_id)
  SENSITIVE = []
  include Aws::Structure
end

#priority ⇒ Float

The priority for the launch template override. The highest priority is launched first.

If the On-Demand ‘AllocationStrategy` is set to `prioritized`, EC2 Fleet uses priority to determine which launch template override to use first in fulfilling On-Demand capacity.

If the Spot ‘AllocationStrategy` is set to `capacity-optimized-prioritized`, EC2 Fleet uses priority on a best-effort basis to determine which launch template override to use in fulfilling Spot capacity, but optimizes for capacity first.

Valid values are whole numbers starting at ‘0`. The lower the number, the higher the priority. If no number is set, the override has the lowest priority. You can set the same priority for different launch template overrides.

Returns:

  • (Float) 


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# File 'lib/aws-sdk-ec2/types.rb', line 35763

class FleetLaunchTemplateOverrides < Struct.new(
  :instance_type,
  :max_price,
  :subnet_id,
  :availability_zone,
  :weighted_capacity,
  :priority,
  :placement,
  :instance_requirements,
  :image_id)
  SENSITIVE = []
  include Aws::Structure
end

#subnet_id ⇒ String

The ID of the subnet in which to launch the instances.

Returns:

  • (String) 


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# File 'lib/aws-sdk-ec2/types.rb', line 35763

class FleetLaunchTemplateOverrides < Struct.new(
  :instance_type,
  :max_price,
  :subnet_id,
  :availability_zone,
  :weighted_capacity,
  :priority,
  :placement,
  :instance_requirements,
  :image_id)
  SENSITIVE = []
  include Aws::Structure
end

#weighted_capacity ⇒ Float

The number of units provided by the specified instance type. These are the same units that you chose to set the target capacity in terms of instances, or a performance characteristic such as vCPUs, memory, or I/O.

If the target capacity divided by this value is not a whole number, Amazon EC2 rounds the number of instances to the next whole number. If this value is not specified, the default is 1.

<note markdown=“1”> When specifying weights, the price used in the ‘lowest-price` and `price-capacity-optimized` allocation strategies is per unit hour (where the instance price is divided by the specified weight). However, if all the specified weights are above the requested `TargetCapacity`, resulting in only 1 instance being launched, the price used is per instance hour.

</note>

Returns:

  • (Float) 


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# File 'lib/aws-sdk-ec2/types.rb', line 35763

class FleetLaunchTemplateOverrides < Struct.new(
  :instance_type,
  :max_price,
  :subnet_id,
  :availability_zone,
  :weighted_capacity,
  :priority,
  :placement,
  :instance_requirements,
  :image_id)
  SENSITIVE = []
  include Aws::Structure
end