Question

如何将资源块（例如：资源“ aws卷附件”“ ebs att”）作为输入发送到tf文件

resource "aws_volume_attachment" "ebs_att" {
device_name = "/dev/sdh"
volume_id   = "${aws_ebs_volume.example.id}"
instance_id = "${aws_instance.example.id}"
force_detach = "true"
}

假设，下面是我的terraform .tf文件

provider "aws" {
region     = "${var.region}"
access_key = "${var.access_key}"
secret_key = "${var.secret_key}"

}

resource "aws_key_pair" "deployer" {
key_name   = "testkey-${var.hostname}"
public_key = "${file(var.public_key_path)}"
}

对于此文件，我必须发送资源块->

resource "aws_volume_attachment" "ebs_att"

最终的.tf文件看起来像

provider "aws" {
region     = "${var.region}"
access_key = "${var.access_key}"
secret_key = "${var.secret_key}"

}

resource "aws_key_pair" "deployer" {
key_name   = "testkey-${var.hostname}"
public_key = "${file(var.public_key_path)}"
}
resource "aws_volume_attachment" "ebs_att" {
device_name = "/dev/sdh"
volume_id   = "${aws_ebs_volume.example.id}"
instance_id = "${aws_instance.example.id}"
force_detach = "true"
}

Answer 1

您将无法单独使用terraform脚本动态添加新资源（为什么我告诉“ 单独”是因为在我的情况下，我已经使用python类作为配置并生成terraform动态地从文件中提取文件并从python脚本运行apply命令）

您可以通过向资源添加计数并将默认变量值设置为0来实现此目的，除非您将计数值专门设置为1，否则通常不会创建资源。

variable "create_ebs_resource" {
  type = number
  default = 0
}

resource "aws_volume_attachment" "ebs_att" {
  device_name = "/dev/sdh"
  volume_id   = "${aws_ebs_volume.example.id}"
  instance_id = "${aws_instance.example.id}"
  force_detach = "true"
  count = var.create_ebs_resource
}

然后运行apply命令为 terraform apply -var="create_ebs_resource=1"（如果您想创建资源），否则只需运行terraform apply

在Terraform中动态创建资源

1 个答案: