ServicePlacementConstraint

data class ServicePlacementConstraint(val expression: String? = null, val type: ServicePlacementConstraintType)

An object representing a constraint on task placement. For more information, see Task placement constraints in the Amazon Elastic Container Service Developer Guide. If you're using the Fargate launch type, task placement constraints aren't supported.

Constructors

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constructor(expression: String? = null, type: ServicePlacementConstraintType)

Types

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object Companion

Properties

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val expression: String? = null

A cluster query language expression to apply to the constraint. 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.

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The type of constraint. 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.