更新
我不太明白,但我重新运行了terraform apply
,它没有尝试复制资源(没有错误)。现在它可以正确地检查资源。有点出乎意料。
我正在学习 Terraform,并创建了一个模块以允许创建一些基本的安全组。第一次运行很顺利,按预期创建资源。但是如果我第二次运行terraform apply
,它会尝试再次创建相同的组,然后我会收到重复错误,因为这样的安全组已经存在。
如果我直接创建安全组而没有使用module
,Terraform会识别它并不会尝试重新创建现有资源。
我可能在这里做错了什么。
这是我的模块以及我如何使用它:
我的项目结构如下
├── main.tf
├── modules
│ ├── security_group_ec2
│ │ ├── main.tf
│ │ ├── outputs.tf
│ │ └── variables.tf
│ └── security_group_rds
│ ├── main.tf
│ ├── outputs.tf
│ └── variables.tf
├── scripts
│ └── update-odoo-cfg.py
├── security_groups.tf
├── terraform.tfstate
├── terraform.tfstate.backup
├── variables.tf
└── vpc.tf
现在是我的security_group_ec2内容:
main.tf:
resource "aws_security_group" "sg" {
name = "${var.name}"
description = "${var.description}"
vpc_id = "${var.vpc_id}"
ingress {
from_port = 80
to_port = 80
protocol = "tcp"
cidr_blocks = ["0.0.0.0/0"]
}
ingress {
from_port = 443
to_port = 443
protocol = "tcp"
cidr_blocks = ["0.0.0.0/0"]
}
ingress {
from_port = 22
to_port = 22
protocol = "tcp"
cidr_blocks = ["0.0.0.0/0"]
}
egress {
from_port = 0
to_port = 0
protocol = "-1"
cidr_blocks = ["0.0.0.0/0"]
}
}
variables.tf:
variable "name" {
description = "Name of security group"
}
variable "description" {
description = "Description of security group"
}
variable "vpc_id" {
description = "Virtual Private Cloud ID to assign"
}
输出:
output "sg_id" {
value = "${aws_security_group.sg.id}"
}
这是一个调用模块创建两个安全组的文件。
security_groups.tf:
# EC2
module "security_group_staging_ec2" {
source = "modules/security_group_ec2"
name = "ec2_staging_sg"
description = "EC2 Staging Security Group"
vpc_id = "${aws_default_vpc.default.id}"
}
module "security_group_prod_ec2" {
source = "modules/security_group_ec2"
name = "ec2_prod_sg"
description = "EC2 Production Security Group"
vpc_id = "${aws_default_vpc.default.id}"
}
运行terraform apply
时,出现了以下错误输出:
module.security_group_staging.aws_security_group.sg: Destruction complete after 1s
module.security_group_prod.aws_security_group.sg: Destruction complete after 1s
Error: Error applying plan:
2 error(s) occurred:
* module.security_group_staging_ec2.aws_security_group.sg: 1 error(s) occurred:
* aws_security_group.sg: Error creating Security Group: InvalidGroup.Duplicate: The security group 'ec2_staging_sg' already exists for VPC 'vpc-2a84a741'
status code: 400, request id: 835004f0-d8a1-4ed5-8e21-17f01eb18a23
* module.security_group_prod_ec2.aws_security_group.sg: 1 error(s) occurred:
* aws_security_group.sg: Error creating Security Group: InvalidGroup.Duplicate: The security group 'ec2_prod_sg' already exists for VPC 'vpc-2a84a741'
status code: 400, request id: 953b23e8-20cb-4ccb-940a-6a9ddab54d53
Terraform does not automatically rollback in the face of errors.
Instead, your Terraform state file has been partially updated with
any resources that successfully completed. Please address the error
above and apply again to incrementally change your infrastructure.
顺便提一下,我可能需要在调用模块时指示资源是如何创建的?