地形计数指数

Question

有人找到做这种事情的方法吗？

假设我有3个公共子网，并在它们之间部署了3个nat网关。

请注意aws_nat_gateway子网net_id中添加的$ {count.index}会引发错误

data "aws_availability_zones" "availability_zones" {}
data "aws_subnet" "public_subnets" {
  count = "${length(data.aws_availability_zones.availability_zones.names)}"
  tags {
    Name = "public-subnet-${count.index}"
  }
}

data "aws_nat_gateway" "natg" {
  count     = "${length(data.aws_availability_zones.availability_zones.names)}"
  subnet_id = "${data.aws_subnet.public_subnets.${count.index}.id}"

  tags {
    Name = "public-subnet-nat-${count.index}"
  }
}

Answer 1

您应该改用${data.aws_subnet.public_subnets.*.id[count.index]}。这将使用splat operator返回迭代子网的列表，然后根据当前计数索引进行索引。