#############################
# ec2 instance
#############################
resource "aws_instance" "my-cool-instance" {
  count = 1

  ami                         = "${lookup(var.ami, var.region)}"
  instance_type               = "t2.micro"
  key_name                    = "${var.key_pair_name}"
  ebs_optimized               = true
  monitoring                  = true
  vpc_security_group_ids      = ["${module.sg_allow_ssh_in.this_security_group_id}", "${module.sg_allow_all_out.this_security_group_id}", "${module.sg_allow_web_in.this_security_group_id}"]
  associate_public_ip_address = true
  subnet_id                   = "${module.vpc.public_subnets[0]}"

  # os disk
  root_block_device {
    volume_size             = "50"
  }

  # tags (to provide name)
  tags = {
    Name                      = "magnifier-btc-dev${count.index}"
  }
}

#############################
# ebs vols and attach
#############################
resource "aws_ebs_volume" "data" {
  availability_zone           = "${aws_instance.my-cool-instance.availability_zone}"
  type                        = "gp2"
  size                        = 128
  encrypted                   = true
}

resource "aws_volume_attachment" "ebs_att" {
  device_name = "/dev/sdh"
  volume_id   = "${aws_ebs_volume.data.id}"
  instance_id = "${aws_instance.my-cool-instance.id}"
}