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列表输入变量的地形图-For_each 如果您需要将其保留为列表,则一个选项可能会获取第一个值:如果您可以更改subnetcidr变量,请输入类似以下内容:

如何解决列表输入变量的地形图-For_each 如果您需要将其保留为列表,则一个选项可能会获取第一个值:如果您可以更改subnetcidr变量,请输入类似以下内容:

我正在尝试为列表输入变量的映射实现for_each。

输出应该是为AZ us-east-1a(3个子网)和us-east-1b(2个子网)创建的子网列表。

需要以下帮助:

MAIN.TF

resource "aws_vpc" "name" {
  cidr_block = "192.168.0.0/16"
}

resource "aws_subnet" "name" {
  for_each = var.subnetcidr
  vpc_id = aws_vpc.name.id
  availability_zone = each.key
  cidr_block = toset(each.value) //need help here
}

TFVARS文件

subnetcidr = {
  "us-east-1a" = ["192.168.1.0/24","192.168.2.0/24","192.168.0.0/24"]
  "us-east-1b" = ["192.168.3.0/24","192.168.4.0/24"]
}

错误

Error: Incorrect attribute value type

  on main.tf line 28,in resource "aws_subnet" "name":
  28:   cidr_block = toset(each.value)
    |----------------
    | each.value is tuple with 2 elements

Inappropriate value for attribute "cidr_block": string required.

任何帮助将不胜感激。 TIA!

解决方法

错误似乎很明显:
Inappropriate value for attribute "cidr_block": string required
不确定为什么要传递列表...


如果您需要将其保留为列表,则一个选项可能会获取第一个值:

resource "aws_vpc" "name" {
  cidr_block = "192.168.0.0/16"
}

resource "aws_subnet" "name" {
  for_each = var.subnetcidr
  vpc_id = aws_vpc.name.id
  availability_zone = each.key
  cidr_block = element(each.value,0)
}

如果您可以更改subnetcidr变量,请输入类似以下内容:

subnetcidr = {  
  "192.168.0.0/24" = "us-east-1a"
  "192.168.1.0/24" = "us-east-1a"
  "192.168.2.0/24" = "us-east-1a"

  "192.168.3.0/24" = "us-east-1b"
  "192.168.4.0/24" = "us-east-1b"
}

您现在可以看到,唯一的cidr块是键,区域是值。
然后在您的代码中,我们这样做:

resource "aws_vpc" "name" {
  cidr_block = "192.168.0.0/16"
}

resource "aws_subnet" "name" {
  for_each = var.subnetcidr
  vpc_id = aws_vpc.name.id
  availability_zone = each.value
  cidr_block = each.key
}
,

我终于能够解决这个问题。下面是方法。

资源“ aws_vpc”“名称” {

cidr_block =“ 10.0.0.0/16”

}

资源“ aws_subnet”“名称” {

vpc_id = aws_vpc.name.id

for_each =转置(var.subnet)

availability_zone = each.value [0]

cidr_block = each.key

}

可变子网{}

子网= {

“ us-east-1a” = [“ 10.0.0.0/20”,“ 10.0.16.0/20”,“ 10.0.32.0/20”]

“ us-east-1b” = [“ 10.0.64.0/20”,“ 10.0.80.0/20”]

“ us-east-1d” = [“ 10.0.112.0/20”,“ 10.0.128.0/20”,“ 10.0.144.0/20”,“ 10.0.96.0/20”]

}

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