问题

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我一直在尝试找出如何使用Terraform创建具有自定义名称的应用负载均衡器。到目前为止，我有以下配置：

```hcl
resource "aws_alb" "application_load_balancer" {
  name               = "${var.brand}-be-${var.environment_name}-load-balancer"
  tags               = local.tags
  load_balancer_type = "application"
  subnets            = data.aws_subnets.public_subnets.ids

  # 安全组
  security_groups    = [aws_security_group.sg_load_balancer.id]
}

# 新建 new-dev.foocorp.com 的托管区域
resource "aws_route53_zone" "zone_dev" {
  name    = "new-dev.foocorp.com"
  comment = "new-dev.foocorp.com 的托管区域"
  records = [aws_alb.application_load_balancer.dns_name]

  tags = merge(local.tags, {
    Name = "new-dev.foocorp.com"
  })
}

然而，我遇到了以下错误：

╷
│ 错误：不支持的参数
│ 
│ 在 main.tf 的第 323 行，resource "aws_route53_zone" "zone_dev":
│  323:   records = [ aws_alb.application_load_balancer.dns_name ]
│ 
│ 此处不应使用名为 "records" 的参数。
╵

据我了解，似乎不可能告诉ALB使用特定的域名，我必须等待它被创建，然后引用它的域名来创建新的Route 53记录？这是正确的吗？有没有更好的方法来做到这一点？

我想要的是，而不是 http://foo-bar-load-balancer-1234567890.us-east-1.elb.amazonaws.com/，我希望有 http://new-dev.foocorp.com/。

另外，AWS中的DNS记录还没有通过Terraform创建，这些区域在根账户中，而我正在尝试在子账户中进行操作，该子账户将用于dev环境。我是否需要一些IAM策略来完成这个操作？

<details>
<summary>英文:</summary>

I&#39;ve been trying to figure out how to create application load balancer with a custom name using Terraform. So far I have this:

resource "aws_alb" "application_load_balancer" {
name = "${var.brand}-be-${var.environment_name}-load-balancer"
tags = local.tags
load_balancer_type = "application"
subnets = data.aws_subnets.public_subnets.ids

security group

security_groups = [aws_security_group.sg_load_balancer.id]
}

Hosted Zone for new-dev.foocorp.com

resource "aws_route53_zone" "zone_dev" {
name = "new-dev.foocorp.com"
comment = "Hosted Zone for new-dev.foocorp.com"
records = [ aws_alb.application_load_balancer.dns_name ]

tags = merge(local.tags, {
Name = "new-dev.foocorp.com"
})
}

However, I'm getting:

╷
│ Error: Unsupported argument
│
│ on main.tf line 323, in resource "aws_route53_zone" "zone_dev":
│ 323: records = [ aws_alb.application_load_balancer.dns_name ]
│
│ An argument named "records" is not expected here.
╵

From what I understand, it's not possible to tell the ALB to use a specific domain name and I have to wait for it to be created in order to then get a reference to it's domain and use that when creating a new Route 53 entry? Is this correct? Is there a better way to do this?

Instead of `http://foo-bar-load-balancer-1234567890.us-east-1.elb.amazonaws.com/`, I would like to have `http://new-dev.foocorp.com/`.

In addition, the DNS records in AWS have not been Terraformed yet and the zones are in the root account and I'm trying to do this in a sub-account where the `dev` environment will be. Will I need some IAM policies for this?


</details>


# 答案1
**得分**: 4

要定义`records`，您必须使用[aws_route53_record](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/route53_record)，而不是`aws_route53_zone`。示例在TF文档中，但应该是：

```hcl
resource "aws_route53_record" "new-dev" {
  zone_id = aws_route53_zone.zone_dev.zone_id
  name    = "new-dev.foocorp.com"
  type    = "A"
  ttl     = 300
  records = [aws_alb.application_load_balancer.dns_name]
}

resource "aws_route53_record" "new-dev" {
  zone_id = aws_route53_zone.zone_dev.zone_id
  name    = "new-dev.foocorp.com"
  type    = "A"
  ttl     = 300
  records = [aws_alb.application_load_balancer.dns_name]
}