PlacementConstraint
An object representing a constraint on task placement.
Contents
- expression
-
A cluster query language expression to apply to the constraint. You cannot specify an expression if the constraint type is
distinctInstance
. For more information, see Cluster query language in the Amazon ECS Developer Guide.Type: String
Length Constraints: Minimum length of 0. Maximum length of 2000.
Required: No
- type
-
The type of constraint. Use
distinctInstance
to ensure that each task in a particular group is running on a different container instance. UsememberOf
to restrict the selection to a group of valid candidates.Type: String
Valid Values:
distinctInstance | memberOf
Required: No
See Also
For more information about using this API in one of the language-specific AWS SDKs, see the following: