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Class: Aws::ECS::Types::TaskDefinitionPlacementConstraint

Inherits:
Struct
  • Object
show all
Defined in:
gems/aws-sdk-ecs/lib/aws-sdk-ecs/types.rb

Overview

Note:

When making an API call, you may pass TaskDefinitionPlacementConstraint data as a hash:

{
  type: "memberOf", # accepts memberOf
  expression: "String",
}

An object representing a constraint on task placement in the task definition. For more information, see Task Placement Constraints in the Amazon EC2 Container Service Developer Guide.

Instance Attribute Summary collapse

Instance Attribute Details

#expressionString

A cluster query language expression to apply to the constraint. For more information, see Cluster Query Language in the Amazon EC2 Container Service Developer Guide.

Returns:

  • (String)


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# File 'gems/aws-sdk-ecs/lib/aws-sdk-ecs/types.rb', line 3912

class TaskDefinitionPlacementConstraint < Struct.new(
  :type,
  :expression)
  include Aws::Structure
end

#typeString

The type of constraint. The DistinctInstance constraint ensures that each task in a particular group is running on a different container instance. The MemberOf constraint restricts selection to be from a group of valid candidates.

Returns:

  • (String)


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# File 'gems/aws-sdk-ecs/lib/aws-sdk-ecs/types.rb', line 3912

class TaskDefinitionPlacementConstraint < Struct.new(
  :type,
  :expression)
  include Aws::Structure
end