for_each中的Terraform conditional if

variable "instances" {
  type = map(object({
    name  = string
    count = number
  }))
  default = {
    instance1 = {
      name  = "instance1"
      count = 2
    }
    instance2 = {
      name  = "instance2"
      count = 1
    }
  }
}

resource "aws_instance" "example" {
  for_each = var.instances

  ami           = "ami-0c94855ba95c71c99"
  instance_type = "t2.micro"
  count         = each.value.count

  tags = {
    Name = each.value.name
  }
}

resource "aws_eip" "example" {
  for_each = aws_instance.example

  count = each.value.count

  instance = each.value[count.index].id

  # 使用条件语句if来判断是否创建弹性IP
  # 如果实例名称为"instance1"，则创建弹性IP
  # 如果实例名称为"instance2"，则不创建弹性IP
  # 其他实例名称将不会进入该条件语句
  if each.value[count.index].name == "instance1" {
    # 创建弹性IP的配置
  }
}