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[英]how to export / post terraform output of variables to AWS SSM parameter store
[英]How can I store a three element tuple in AWS SSM parameter with Terraform?
我正在使用 Terraform 創建私有子網:
resource "aws_subnet" "private" {
count = length(data.aws_availability_zones.available.names)
vpc_id = aws_vpc.main_vpc.id
cidr_block = cidrsubnet(var.vpc_cidr, 8, count.index + 10)
availability_zone = element(data.aws_availability_zones.available.names, count.index)
map_public_ip_on_launch = false
tags = {
Name = "${var.client_code}-${var.environment}-private-${element(data.aws_availability_zones.available.names, count.index)}"
}
}
后來我嘗試使用以下方法創建 SSM 參數:
resource "aws_ssm_parameter" "private_subnets_ids" {
name = "/${var.client_code}-${var.environment}/backend/SUBNET_IDS"
type = "StringList"
value = aws_subnet.private.*.id
}
由於子網資源正在創建三個子網,因此會引發以下錯誤:
4: value = aws_subnet.private.*.id
|----------------
| aws_subnet.private is tuple with 3 elements
Inappropriate value for attribute "value": string required.
我應該如何將這三元素元組傳遞給StringList
類型參數?
所述value
參數為aws_ssm_parameter
資源必須是字符串類型無論的type
指定。 事實上,AWS 總是希望參數是在API 文檔中看到並在本答案中提到的字符串類型,並且StringList
類型本質上是客戶端的元數據,希望它是一個包含其他字符串的字符串,用逗號連接在一起特點。
要將您的元組類型從aws_subnet.private.*.id
轉換為列表,您可以使用join
函數將其join
如下所示:
resource "aws_ssm_parameter" "private_subnets_ids" {
name = "/${var.client_code}-${var.environment}/backend/SUBNET_IDS"
type = "StringList"
value = join(",", aws_subnet.private.*.id)
}
這是完整的示例:
resource "aws_ssm_parameter" "SubnetIDs" {
name = "SubnetIDs"
description = "SubnetIDs"
type = "StringList"
value = join(", ", aws_subnet.private-subnet.*.id)
}
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