Terraform AWS provision.

terraform.tf

# We control the existance of the build-server by setting this to 0 or 1
variable "build_servers" {
}

provider "aws" {
  access_key = "<aws_key>"
  secret_key = "<aws_secret>"
  region = "us-east-1"
}

resource "aws_vpc" "main" {
  cidr_block = "10.0.0.0/24"
  enable_dns_hostnames = true
}

resource "aws_internet_gateway" "default" {
  vpc_id = "${aws_vpc.main.id}"
}

resource "aws_route_table" "r" {
  vpc_id = "${aws_vpc.main.id}"
  route {
    cidr_block = "0.0.0.0/0"
    gateway_id = "${aws_internet_gateway.default.id}"
  }
}

resource "aws_subnet" "subnet" {
  vpc_id = "${aws_vpc.main.id}"
  cidr_block = "10.0.0.0/24"
  map_public_ip_on_launch = true
  tags {
    Name = "tf-linkchecker-build-subnet"
  }
}

resource "aws_route_table_association" "linkchecker-subnet-association" {
  subnet_id = "${aws_subnet.subnet.id}"
  route_table_id = "${aws_route_table.r.id}"
}


resource "aws_security_group" "default" {
  name = "allow_ssh"

  vpc_id = "${aws_vpc.main.id}"

  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"
    ]
  }
}

resource "aws_instance" "lambda-build-server" {
  count = "${var.build_servers}"
  # @todo It would be nice to be able to lookup the ami.
  ami = "ami-60b6c60a"
  instance_type = "t2.small"
  subnet_id = "${aws_subnet.subnet.id}"
  key_name = "mediapop-east"
  vpc_security_group_ids = [
    "${aws_security_group.default.id}"
  ]
  tags {
    Name = "lambda-linkchecker-build-server"
  }
  depends_on = [
    "aws_internet_gateway.default"
  ]
}