Class: AWSCDK::ECS::CfnTaskDefinition::TaskDefinitionPlacementConstraintProperty

Inherits:

Jsii::Struct

• Object
• Jsii::Struct
• AWSCDK::ECS::CfnTaskDefinition::TaskDefinitionPlacementConstraintProperty

Defined in:

ecs/cfn_task_definition.rb

Overview

The constraint on task placement in the task definition.

For more information, see Task placement constraints in the Amazon Elastic Container Service Developer Guide .

Task placement constraints aren't supported for tasks run on AWS Fargate .

See Also:

• http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-ecs-taskdefinition-taskdefinitionplacementconstraint.html

Instance Attribute Summary

• #expression ⇒ String^? readonly

  A cluster query language expression to apply to the constraint.

• #type ⇒ String readonly

  The type of constraint.

Class Method Summary

• .jsii_properties ⇒ Object

Instance Method Summary

• #initialize(type:, expression: nil) ⇒ TaskDefinitionPlacementConstraintProperty constructor

  A new instance of TaskDefinitionPlacementConstraintProperty.

• #to_jsii ⇒ Object

Constructor Details

#initialize(type:, expression: nil) ⇒ TaskDefinitionPlacementConstraintProperty

Returns a new instance of TaskDefinitionPlacementConstraintProperty.

Parameters:

• type (String) —

  The type of constraint.

• expression (String, nil) (defaults to: nil) —

  A cluster query language expression to apply to the constraint.

# File 'ecs/cfn_task_definition.rb', line 3269

def initialize(type:, expression: nil)
  @type = type
  Jsii::Type.check_type(@type, JSON.parse(Base64.strict_decode64("eyJwcmltaXRpdmUiOiJzdHJpbmcifQ==")), "type")
  @expression = expression
  Jsii::Type.check_type(@expression, JSON.parse(Base64.strict_decode64("eyJwcmltaXRpdmUiOiJzdHJpbmcifQ==")), "expression") unless @expression.nil?
end

Instance Attribute Details

#expression ⇒ String^? (readonly)

A cluster query language expression to apply to the constraint.

For more information, see Cluster query language in the Amazon Elastic Container Service Developer Guide .

Returns:

• (String, nil)

See Also:

• http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-ecs-taskdefinition-taskdefinitionplacementconstraint.html#cfn-ecs-taskdefinition-taskdefinitionplacementconstraint-expression

# File 'ecs/cfn_task_definition.rb', line 3289

def expression
  @expression
end

#type ⇒ String (readonly)

The type of constraint.

The MemberOf constraint restricts selection to be from a group of valid candidates.

Returns:

• (String)

See Also:

• http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-ecs-taskdefinition-taskdefinitionplacementconstraint.html#cfn-ecs-taskdefinition-taskdefinitionplacementconstraint-type

# File 'ecs/cfn_task_definition.rb', line 3282

def type
  @type
end

Class Method Details

.jsii_properties ⇒ Object

# File 'ecs/cfn_task_definition.rb', line 3291

def self.jsii_properties
  {
    :type => "type",
    :expression => "expression",
  }
end

Instance Method Details

#to_jsii ⇒ Object

# File 'ecs/cfn_task_definition.rb', line 3298

def to_jsii
  result = {}
  result.merge!({
    "type" => @type,
    "expression" => @expression,
  })
  result.compact
end