scottslowe-learning-tools/terraform/aws/ic-module/modules/instance-cluster/main.tf

# Launch a cluster of instances
resource "aws_instance" "instance" {
  count                       = "${var.cluster_size}"
  ami                         = "${var.ami}"
  instance_type               = "${var.type}"
  subnet_id                   = "${element(var.subnet_list, count.index)}"
  key_name                    = "${var.ssh_key}"
  associate_public_ip_address = "${var.assign_pub_ip}"
  vpc_security_group_ids      = ["${var.sec_group_list}"]

  tags {
    Name = "${var.name}-${count.index}"
    Role = "${var.role}"
  }
}