[英]Terraform for_each inside for_each?
我有這段代碼:
locals {
portals = ["c" "a" "b"]
}
resource "aws_acm_certificate" "example" {
for_each = toset(local.portals)
domain_name = "${each.value}.aws.${var.environment}.abc.com"
subject_alternative_names = [
"${each.value}.${var.environment}-aws.abc.com"
]
validation_method = "DNS"
lifecycle {
create_before_destroy = true
}
}
這創建了 3 個 ACM AWS 證書。
現在,我需要/想要做的是為證書創建的所有 DNS 創建 DNS 記錄。 我的代碼是:
resource "aws_route53_record" "example-verify-acm" {
for_each = {
for dvo in aws_acm_certificate.example.domain_validation_options : dvo.domain_name => {
name = dvo.resource_record_name
record = dvo.resource_record_value
type = dvo.resource_record_type
}
}
allow_overwrite = true
name = each.value.name
records = [each.value.record]
ttl = 60
type = each.value.type
zone_id = data.aws_route53_zone.management_zone.zone_id
}
現在,當我運行 terraform 計划時,出現錯誤:
│ Error: Missing resource instance key
│
│ on line 24, in resource "aws_route53_record" "example-verify-acm":
│ 24: for dvo in aws_acm_certificate.example.domain_validation_options : dvo.domain_name => {
│
│ Because aws_acm_certificate.example has "for_each" set, its attributes must be accessed on specific instances.
│
│ For example, to correlate with indices of a referring resource, use:
│ aws_acm_certificate.example[each.key]
然后,正如錯誤所說的那樣使用“aws_acm_certificate.example[each.key]”。我在我的代碼中添加了它:
for dvo in aws_acm_certificate.website[each.key].domain_validation_options : dvo.domain_name => {
然后我得到錯誤:
│ Error: Reference to "each" in context without for_each
│
│ on ../../modules/web/acm.tf line 24, in resource "aws_route53_record" "example-verify-acm":
│ 24: for dvo in aws_acm_certificate.example[each.key].domain_validation_options : dvo.domain_name => {
│
│ The "each" object can be used only in "module" or "resource" blocks, and only when the "for_each" argument is set.
如果我添加:
for dvo in aws_acm_certificate.example[each.value].domain_validation_options : dvo.domain_name => {
我收到錯誤:
Error: each.value cannot be used in this context
│
│ on ../../modules/web/acm.tf line 24, in resource "aws_route53_record" "example-verify-acm":
│ 24: for dvo in aws_acm_certificate.example[each.value].domain_validation_options : dvo.domain_name => {
│
│ A reference to "each.value" has been used in a context in which it unavailable, such as when the configuration no longer contains
│ the value in its "for_each" expression. Remove this reference to each.value in your configuration to work around this error.
因此,我不知道如何使用“aws_route53_record”這一資源為所有 3 個證書傳遞“domain_validation_options”。 有沒有辦法修復這些錯誤? 或者是否有不同的方法來完成這項工作?
您必須展平您的aws_acm_certificate
。 例如:
locals {
flat_records = merge([
for cert in aws_acm_certificate.example: {
for dvo in cert.domain_validation_options:
"${cert.domain_name}-${dvo.resource_record_name}" => {
name = dvo.resource_record_name
record = dvo.resource_record_value
type = dvo.resource_record_type
}
}
]...)
}
然后
resource "aws_route53_record" "example-verify-acm" {
for_each = local.flat_records
allow_overwrite = true
name = each.value.name
records = [each.value.record]
ttl = 60
type = each.value.type
zone_id = data.aws_route53_zone.management_zone.zone_id
}
我無法為此找到好的解決方案。 感謝@Marcin 的偉大建議.. 但我為此經歷的路徑是創建一個 terraform 模塊,該模塊一起創建 ACM、記錄和驗證。
然后,我只是使用 for_each.. 調用模塊:
locals {
portals = ["c" "a" "b"]
}
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