{% import 'variables.include' as var %}
###################
# Web Server Instance
resource "aws_instance" "webserver" {
  ami = "${data.aws_ami.ubuntu.id}"
  instance_type = "${var.Instance-Type}"
  availability_zone = "${data.aws_availability_zones.available.names[0]}"
  subnet_id = "${aws_subnet.subnet_public_a.id}"
  ebs_optimized = "${var.EBS-Optimized}"
  disable_api_termination = false
  associate_public_ip_address = true
  instance_initiated_shutdown_behavior = "terminate"
  key_name = "${var.AWS-Key-Pair-Name}"
  vpc_security_group_ids = ["${aws_security_group.sg_instance_access.id}"]
  depends_on    = ["aws_internet_gateway.gw_primary"]

  tags {
    Name = "webserver"
  }

  root_block_device {
    volume_type = "standard"
    volume_size = "{{ var.Web_Volume_Size }}" # Gigabytes
    delete_on_termination = true
  }
  ebs_block_device {
    device_name = "/dev/sdd"
    volume_size = "${var.Swap-Volume-Size}"
    volume_type = "${var.Swap-Volume-Type}"
    delete_on_termination = true
  }

  user_data = <<EOF
#cloud-config
runcmd:
  - [ mkswap, /dev/xvdd ]
  - [ swapon, -a ]
mounts:
  - [ xvdd, none, swap, sw, 0, 0 ]
EOF

  # Fix issues with cached keys. Arguably less secure, but also way less annoying
  provisioner "local-exec" {
    command = "ssh-keygen -f ~/.ssh/known_hosts -R webserver.lab.${var.Domain-Name}"
  }
}

# Give me the IP Addresses
output "webserver_ip" {
    value = "${aws_instance.webserver.public_ip}"
}

# Give me DNS entries
resource "aws_route53_record" "webserver" {
  zone_id = "${var.Domain-Zone-ID}"
  name = "webserver.lab.${var.Domain-Name}"
  type = "A"
  ttl = "300"
  records = ["${aws_instance.webserver.public_ip}"]
}
resource "aws_route53_record" "webserver_pvt" {
  zone_id = "${var.Domain-Zone-ID}"
  name = "webserver_pvt.lab.${var.Domain-Name}"
  type = "A"
  ttl = "300"
  records = ["${aws_instance.webserver.private_ip}"]
}
output "webserver_dns" {
  value = "${aws_route53_record.webserver.name}"
}