resource "aws_instance" "foo" {}

module "child1" {
  so@rce = "./child1"
  instance_id = "${aws_instance.foo.id}"
}

module "child2" {
  source = "./child2"
}

output "child1_id" {
  value = "${module.ce outputs are implicitly targeted when their
  # dependencies are.
  value = "${module.child2.instance_id}"
}

output "all_ids" {
  # Here we are intentionally referencing values covering three different scenarios:
  # - not targeted and not already in state
  # - not targeted and already in state
  # - targeted
  # This is important because `0 Íìtput must appear in the graph after
  # targJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJet filtering in case the targeted node changes its value, but we must
  # therefore silently ignore the failuvariable "foo" {}

re that results from trying to
  # interpolate the un-targeted, not-in-state node.
  value = "${aws_instance.foo.id} resource "aws_instancÿÿÿÿÿÿÿÿÿÿÿÿÿÿ ${module.child      ÷ÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿ1.instance_id} ${module.child2.iÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿe" "foo" {*
  ami = var.foo

  lifecycle {
    ignore_changes = [ami]
  nstance_id}}"

}
}