Terraform:在另一个资源中引用在for_each中创建的资源 [英] Terraform: Referencing resources created in for_each in another resource

问题描述

当我有一个托管区域时，很容易创建区域，然后通过按名称引用托管区域来在委派帐户中创建该区域的NS记录.

When I had a single hosted zone it was easy for me to create the zone and then create the NS records for the zone in the delegating account by referencing the hosted zone by name.

• 编辑为了避免混淆，这是我想要实现的目标，但是对于多个托管区域，该域的所有者是管理帐户:现在，我需要创建多个托管区域，并将名称服务器记录传递回父帐户，但我不确定是否有可能(或如何)引用多个资源.读这篇文章可能没有多大意义，所以下面的代码是我所掌握的.

  Now I need to create multiple hosted zones and pass the nameserver records back to the parent account and I am not sure if its possible (or how if it is) to reference multiple resources. Reading this probably doesn't make a whole lot of sense, so the code below is as far as I have got.

  我现在有一个 for_each 循环，该循环将遍历字符串列表并为每个字符串创建一个托管区域，然后我想在另一个帐户中创建相应的NS记录，请注意，我是使用单独的提供程序 provider = aws.management_account 连接到管理帐户，这对于单个托管区域可以正常工作.

  I now have a for_each loop which will loop over a list of strings and create a hosted zone for each string, and I want to then create corresponding NS records in another account, notice that I am using a separate provider provider = aws.management_account to connect to the management account and this works fine for a single hosted zone.

  我不知道如何引用托管区域，是否有某些语法或者我的方法不正确?

  I do not know how to reference the hosted zones, is there some syntax for this or is my approach wrong?

  resource "aws_route53_zone" "public_hosted_zone" {
    for_each = local.aws_zones
    name     = "${each.value}.${var.domain}"
  }
  
  resource "aws_route53_record" "ns_records" {
    for_each        = local.aws_zones
    provider        = aws.management_account
    allow_overwrite = true
    name            = "${each.value}.${var.domain}"
    ttl             = 30
    type            = "NS"
    zone_id         = data.aws_ssm_parameter.public_hosted_zone_id.value
  
    records = [
      aws_route53_zone.public_hosted_zone.name_servers[0], # Here is my old code which works for a single hosted zone but I cannot work out how to reference multiples created above
      aws_route53_zone.public_hosted_zone.name_servers[1],
      aws_route53_zone.public_hosted_zone.name_servers[2],
      aws_route53_zone.public_hosted_zone.name_servers[3]
    ]
  }
  

  推荐答案

  由于您的 local.aws_zones 设置为["dev"，"test"，"qa"]，因此您的 aws_route53_zone.public_hosted_zone 将是带有键"dev"，"test"，"qa"的映射.

  Since your local.aws_zones is set ["dev", "test", "qa"], your aws_route53_zone.public_hosted_zone will be a map with keys "dev", "test", "qa".

  因此，要在 aws_route53_record 中使用它，可以尝试:

  Therefore, to use it in your aws_route53_record, you can try:

  resource "aws_route53_record" "ns_records" {
    for_each        = local.aws_zones
  
    # other attributes
  
    records = aws_route53_zone.public_hosted_zone[each.key].name_servers
  }
  

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