[英]Use output value in terraform object
我有多个 output 变量,我想制作一个父输出变量,然后将其他输出放入其中。 我对其进行了搜索,发现我们可以使用 terraform object ,但无法获得正确的语法。 Output.tf
output "public_subnet" {
value = "${module.my_vpc.public_subnets_ids}"
}
output "vpc_id" {
value = "${module.my_vpc.vpc_id}"
}
output "private_subnet" {
value = "${module.my_vpc.private_subnets_ids}"
}
I want my output to be in a object or you can say parent output variable that have all child output vales, I have come up with few line which I know is not right syntax wise but will get you a picture of what I am thinking of .
output "vpc" {
value = {
vpc_id = "${module.my_vpc.vpc_id}"
public_subnet = "${module.my_vpc.public_subnets_ids}"
private_subnet = "${module.my_vpc.private_subnets_ids}"
}
type = object({ vpc_id = string, public_subnet = string, private_subnet = string })
}
Terraform output没有type
。 因此,您的vpc
应该是:
output "vpc" {
value = {
vpc_id = "${module.my_vpc.vpc_id}"
public_subnet = "${module.my_vpc.public_subnets_ids}"
private_subnet = "${module.my_vpc.private_subnets_ids}"
}
}
但问题是子模块无法访问其父模块的输出。 因此,我不确定你想用你的输出实现什么。 通常,您可以使用variable
将变量从父级传递给子级,然后您可以从子模块中的这些变量中生成新的 output。
根据您之前的问题,有main.tf
与
module "my_vpc" {
source = "./modules/vpc"
vpc_cidr = var.vpc_cidr
public_subnet = var.public_subnet
private_subnet = var.private_subnet
availability_zone = data.aws_availability_zones.azs.names
}
因此,您必须有一个文件夹./modules/vpc
。 在文件夹中,可能有一个名为./modules/vpc/vpc.tf
的文件。 该文件将包含类似的内容(变量也可以在单独的文件中):
variable "vpc_cidr" {}
variable "public_subnet" {}
variable "private_subnet" {}
variable "availability_zone" {}
# the rest of the VPC definition. Since the file is not given,
# i can only speculate on the exact details of the content
resource "aws_subnet" "public" {
count = length(var.public_subnet)
vpc_id = aws_vpc.my_vpc.id
# other attributes
}
resource "aws_subnet" "private" {
count = length(var.private_subnet)
vpc_id = aws_vpc.my_vpc.id
# other attributes
}
如果是这样,那么您可以创建一个名为./modules/vpc/output.tf
的新文件,其内容为:
output "vpc" {
value = {
vpc_id = my_vpc.vpc_id
public_subnet = aws_subnet.public.*.id
private_subnet = aws_subnet.private.*.id
}
}
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