PlacementConstraint
An object representing a constraint on task placement. For more information, see Task placement constraints in the Amazon Elastic Container Service Developer Guide.
Note
If you're using the Fargate launch type, task placement constraints aren't supported.
Contents
- expression
-
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.Type: String
Required: No
- type
-
The type of constraint. Use
distinctInstanceto ensure that each task in a particular group is running on a different container instance. UsememberOfto 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 AWS SDKs, see the following:
