Class CfnService.PlacementConstraintProperty
The PlacementConstraint property specifies an object representing a constraint on task placement in the task definition.
Inheritance
Implements
Namespace: Amazon.CDK.AWS.ECS
Assembly: Amazon.CDK.AWS.ECS.dll
Syntax (csharp)
public class PlacementConstraintProperty : Object, CfnService.IPlacementConstraintPropertySyntax (vb)
Public Class PlacementConstraintProperty
Inherits Object
Implements CfnService.IPlacementConstraintPropertyRemarks
For more information, see Task Placement Constraints in the Amazon Elastic Container Service Developer Guide .
ExampleMetadata: fixture=_generated
Examples
// The code below shows an example of how to instantiate this type.
// The values are placeholders you should change.
using Amazon.CDK.AWS.ECS;
var placementConstraintProperty = new PlacementConstraintProperty {
Type = "type",
// the properties below are optional
Expression = "expression"
};Synopsis
Constructors
| PlacementConstraintProperty() |
Properties
| Expression | A cluster query language expression to apply to the constraint. |
| Type | The type of constraint. |
Constructors
PlacementConstraintProperty()
public PlacementConstraintProperty()Properties
Expression
A cluster query language expression to apply to the constraint.
public string Expression { get; set; }Property Value
System.String
Remarks
The expression can have a maximum length of 2000 characters. You can't specify an expression if the constraint type is distinctInstance . For more information, see Cluster query language in the Amazon Elastic Container Service Developer Guide .
Type
The type of constraint.
public string Type { get; set; }Property Value
System.String
Remarks
Use distinctInstance to ensure that each task in a particular group is running on a different container instance. Use memberOf to restrict the selection to a group of valid candidates.