terraform_ebs_volume_attach_example.tf

terraform_ebs_volume_attach_example.tf

resource "aws_instance" "box" {
  ami                         = "ami-1234568"
  instance_type               = "t2.micro"
  key_name                    = "mykey"
  subnet_id                   = "subnet-12345678"
  user_data                   = "${data.template_file.template.rendered}"
  vpc_security_group_ids      = ["sg-12345678"]
  associate_public_ip_address = true

  root_block_device {
    volume_size = 8
    volume_type = "gp2"
  }
}

resource "aws_ebs_volume" "data_volume" {
  availability_zone = "eu-central-1a"
  size              = 10
  type              = "gp2"
  # If defined a snapshot will be used
  snapshot_id       = ""
}

resource "aws_volume_attachment" "attach_volume" {
  device_name = "/dev/xvdb"
  volume_id   = "${aws_ebs_volume.data_volume.id}"
  instance_id = "${aws_instance.box.id}"
}

data "template_file" "template" {
  template = "init.tpl"

  vars {
    hostname                = "toast01"
    domain                  = "bakery.inet"
    prometheus_enabled      = true
    prometheus_data_dir     = "/var/lib/prometheus"
    prometheus_volume       = "/dev/xvdb"
    prometheus_volume_label = "DATA"
  }
}