aws_ecs_service -> launch_type needs to have EXTERNAL added

[nicwise]

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Description

With the launch of ECS Anywhere, there is a new launch_type - EXTERNAL as well as EC2 and FARGATE. This is missing from either Terraform/AWS or the AWS API.

New or Affected Resource(s)

• aws_ecs_service

Potential Terraform Configuration

resource "aws_ecs_service" "external_ups" {
  name    = "foo"

  cluster              = aws_ecs_cluster.cluster.id
  task_definition = "..."

  launch_type = "EXTERNAL" <------

  scheduling_strategy = "DAEMON"

}

Note that the task definition may also need EXTERNAL in it's requiresCompatibilities key

{
	"requiresCompatibilities": [
		"EXTERNAL"
	],

References

https://docs.aws.amazon.com/AmazonECS/latest/developerguide/launch_types.html

https://docs.aws.amazon.com/AmazonECS/latest/developerguide/ecs-anywhere.html

Amazon ECS capacity providers aren't supported. To create a service or run a standalone task on your external instances, use the EXTERNAL launch type.

https://docs.aws.amazon.com/AmazonECS/latest/developerguide/ecs-anywhere-runtask.html

[gdavison]

Thanks for raising this, @nicwise. We've merged #19557 to address this and expect to release it soon.

[github-actions]

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