main.tf

module "nixos_image_20_09" {
  source  = "../terraform-nixos/aws_image_nixos"
  release = "20.09"
}

resource "aws_key_pair" "nix_key" {
  key_name   = "nix_key"
  public_key = file("~/.ssh/aws_nix.pub")
}

resource "aws_security_group" "sg" {
  name = "nix_sg"
  ingress {
    cidr_blocks = [
      "0.0.0.0/0"
    ]
    from_port = 22
    to_port   = 22
    protocol  = "tcp"
  }
  egress {
    from_port   = 0
    to_port     = 0
    protocol    = "-1"
    cidr_blocks = ["0.0.0.0/0"]
  }
}

resource "aws_instance" "example" {
  ami             = module.nixos_image_20_09.ami
  instance_type   = "t2.micro"
  key_name        = aws_key_pair.nix_key.key_name
  security_groups = [aws_security_group.sg.name]
}

module "deploy_nixos" {
  source = "../terraform-nixos/deploy_nixos"
  # NIX_PATH     = "${path.module}/../nix/nixpkgs.nix"
  nixos_config         = "${path.module}/configuration.nix"
  target_user          = "root"
  target_host          = aws_instance.example.public_ip
  ssh_private_key_file = "~/.ssh/aws_nix"


  triggers = {
    // Also re-deploy whenever the VM is re-created
    instance_id = aws_instance.example.id
  }
}

output ip {
  value = aws_instance.example.public_ip
}