interface TaskDefinitionPlacementConstraintProperty

Language	Type name
.NET	Amazon.CDK.AWS.ECS.CfnTaskDefinition.TaskDefinitionPlacementConstraintProperty
Java	software.amazon.awscdk.services.ecs.CfnTaskDefinition.TaskDefinitionPlacementConstraintProperty
Python	aws_cdk.aws_ecs.CfnTaskDefinition.TaskDefinitionPlacementConstraintProperty
TypeScript	@aws-cdk/aws-ecs » CfnTaskDefinition » TaskDefinitionPlacementConstraintProperty

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 .

Example

// The code below shows an example of how to instantiate this type.
// The values are placeholders you should change.
import * as ecs from '@aws-cdk/aws-ecs';
const taskDefinitionPlacementConstraintProperty: ecs.CfnTaskDefinition.TaskDefinitionPlacementConstraintProperty = {
  type: 'type',

  // the properties below are optional
  expression: 'expression',
};

Properties

Name	Type	Description
type	string	The type of constraint.
expression?	string	A cluster query language expression to apply to the constraint.

---

type

Type: string

The type of constraint.

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

---

expression?

Type: string (optional)

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 .