问基于计数的Terraform午餐EC2条件

EN

132:   target_id        = var.ec2-2
var.ec2-2 is empty tuple
Inappropriate value for attribute "target_id": string required.

resource "aws_lb_target_group_attachment" "b" {
  target_id        = var.ec2-2

}

output "ec2-2_ot" {
 value = aws_instance.ec2V2[*].id
 description = "the value of the network module ec2-2 id"
}

variable "single-target" {
  type=bool
  default=false
}

module "network_module" {
   ec2-2 = module.compute_module.ec2-2_ot
}

resource "aws_instance" "ec2V2" {
  count = var.single-target ? 0 : 1
  ami                         = var.ec2_ami
  instance_type               = var.ec2_type
  associate_public_ip_address = true
  key_name = var.key_pair
  vpc_security_group_ids = [ var.vpc-sg ]
  subnet_id = var.subnet-2
  user_data = file("PATH/user-data.sh")
          
  tags = {
    Name = var.ec2-2_name
  }
}