PlacementConstraint
An object representing a constraint on task placement. To learn more, see Task Placement Constraints in the Amazon Elastic Container Service Developer Guide.
Contents
- expression
-
A cluster query language expression to apply to the constraint. You cannot specify an expression if the constraint type is
distinctInstance. To learn more, see Cluster Query Language in the Amazon Elastic Container Service Developer Guide.Type: String
Length Constraints: 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. Use memberOf to restrict the selection to a group of valid candidates.
Type: String
Valid Values:
distinctInstance | memberOfRequired: No
See Also
For more information about using this API in one of the language-specific Amazon SDKs, see the following: