如何解决Terraform错误：为Cloudfront模块运行tf计划时，模块参数的值无效
我有一个模块，该模块创建子模块，每个子模块都有一个custom_error_response，它们会降落到不同的response_page_path。
在主模块中我添加了；
custom_error_response = [
{
error_code = "403"
error_caching_min_ttl = "30"
response_code = "200"
response_page_path = "/${var.default_root_object}"
},]
，变量default_root_object是：
variable "default_root_object" {
description = "Default root object at origin for CloudFront distribution"
}
在子模块中，我在variable.tf中添加了以下内容：
variable "custom_error_response" {
description = "(Optional) - List of one or more custom error response element maps"
type = "list"
default = []
}
在每个子模块的main.tf中，我还定义了custom_error_response，如下所示：
dynamic "custom_error_response" {
for_each = var.custom_error_response
content {
error_caching_min_ttl = lookup(custom_error_response.value,"error_caching_min_ttl",null)
error_code = custom_error_response.value.error_code
response_code = lookup(custom_error_response.value,"response_code",null)
response_page_path = lookup(custom_error_response.value,"response_page_path",null)
}
}
当我运行terraform初始化时可以，但是当我运行terraform计划时，对于我制作的8个子模块，它会给我8次相同的错误。
Error: Invalid value for module argument
on portal_distribution/main.tf line 32,in module "**mainmodule**":
32: custom_error_response = [
33: {
34: error_code = "403"
35: error_caching_min_ttl = "30"
36: response_code = "200"
37: response_page_path = "/${var.default_root_object}"
38: },39: ]
The given value is not suitable for child module variable
"custom_error_response" defined at
.terraform/modules/**submodule**_portal.**mainmodule**/modules/aws-terraform-cloudfront_s3_origin/variables.tf:302,1-33:
element 0: string required.
如何解决该错误？
解决方法
变量的类型是一个列表。您正在执行地图查找的事实表明您正在尝试使用地图或其他内容。我建议：使用对象图。
如果您需要将其用作变量：
variable myinput {
type = map(list(object({
error_caching_min_ttl = string
error_code = number
response_code = number
response_page_path = string
})))
}
在我用来在计算机上证明这一点的代码中，我没有使用var。因此，for_each所在的位置，只需将var放在此处，然后使用您的值填充var。解决方案是使用对象图。我喜欢在列表上绘制地图，因为您可以为集合中的每个项目指定一个描述性标题。这有助于以有意义的状态给出名称。
dynamic "custom_error_response" {
for_each = map(
"descriptiveTitleForThis",{
error_caching_min_ttl = "60"
error_code = 403
response_code = 11
response_page_path = "page1"
},"551directToPage2",{
error_caching_min_ttl = "60"
error_code = 551
response_code = 10
response_page_path = "page2"
}
)
content {
error_caching_min_ttl = custom_error_response.value.error_caching_min_ttl
error_code = custom_error_response.value.error_code
response_code = custom_error_response.value.response_code
response_page_path = custom_error_response.value.response_page_path
}
}
如果需要，请在下面提供我的完整代码：
provider aws {
profile = "myprofile"
region = "us-west-2"
}
resource "aws_s3_bucket" "b" {
bucket = "mybucket"
acl = "private"
tags = {
Name = "My bucket"
}
}
locals {
s3_origin_id = "myS3Origin"
}
resource "aws_cloudfront_distribution" "s3_distribution" {
enabled = true
origin {
domain_name = aws_s3_bucket.b.bucket_regional_domain_name
origin_id = local.s3_origin_id
}
default_cache_behavior {
allowed_methods = ["DELETE","GET","HEAD","OPTIONS","PATCH","POST","PUT"]
cached_methods = ["GET","HEAD"]
target_origin_id = local.s3_origin_id
forwarded_values {
query_string = false
cookies {
forward = "none"
}
}
viewer_protocol_policy = "allow-all"
min_ttl = 0
default_ttl = 3600
max_ttl = 86400
}
restrictions {
geo_restriction {
restriction_type = "whitelist"
locations = ["US","CA","GB","DE"]
}
}
viewer_certificate {
cloudfront_default_certificate = true
}
dynamic "custom_error_response" {
for_each = map(
"descriptiveTitleForThis",{
error_caching_min_ttl = "60"
error_code = 551
response_code = 10
response_page_path = "page2"
},"552directToPage3",{
error_caching_min_ttl = "60"
error_code = 552
response_code = 12
response_page_path = "page3"
},"553directToPage4",{
error_caching_min_ttl = "60"
error_code = 553
response_code = 13
response_page_path = "page4"
},)
content {
error_caching_min_ttl = custom_error_response.value.error_caching_min_ttl
error_code = custom_error_response.value.error_code
response_code = custom_error_response.value.response_code
response_page_path = custom_error_response.value.response_page_path
}
}
}
编辑：我忘了打印计划
Terraform will perform the following actions:
# aws_cloudfront_distribution.s3_distribution will be created
+ resource "aws_cloudfront_distribution" "s3_distribution" {
<..ommitted for brevity...>
+ custom_error_response {
+ error_caching_min_ttl = 60
+ error_code = 403
+ response_code = 11
+ response_page_path = "page1"
}
+ custom_error_response {
+ error_caching_min_ttl = 60
+ error_code = 551
+ response_code = 10
+ response_page_path = "page2"
}
+ custom_error_response {
+ error_caching_min_ttl = 60
+ error_code = 552
+ response_code = 12
+ response_page_path = "page3"
}
+ custom_error_response {
+ error_caching_min_ttl = 60
+ error_code = 553
+ response_code = 13
+ response_page_path = "page4"
}
<..ommitted for brevity...>
}
# aws_s3_bucket.b will be created
+ resource "aws_s3_bucket" "b" {
<..ommitted for brevity...>
}
Plan: 2 to add,0 to change,0 to destroy.
terraform version
Terraform v0.12.20
- provider.aws v3.9.0
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