- id: root
  type: lv
  min_size: 10
  max_size: 20
  mount: /
  fs_type: ext4

- id: swap
  type: lv
  # Calc swap size according to RAM.
  #
  # | RAM          | Recommended swap space      |
  # |--------------+-----------------------------|
  # | <= 2GB       | 2 times the amount of RAM   |
  # | > 2GB – 8GB  | Equal to the amount of RAM  |
  # | > 8GB – 64GB | 0.5 times the amount of RAM |
  # | > 64GB       | 4GB of swap space           |
  #
  # Source https://access.redhat.com/site/documentation/en-US/
  #                Red_Hat_Enterprise_Linux/6/html/Installation_Guide/
  #                s2-diskpartrecommend-ppc.html#id4394007
  size: |
    yaql=let(ram => $.get(ram, 1024)) ->
    selectCase(
      $ram <= 2048,
      $ram > 2048 and $ram < 8192,
      $ram > 8192 and $ram < 65536).
    switchCase(
      $ram * 2,
      $ram,
      $ram / 2,
      4096)
  fs_type: swap

- id: test
  type: lv
  min_size: 0
  mount: /test
  fs_type: ext4
  best_with_disks: |
    yaql=$.disks.where($.type = "ssd")

- id: partition
  type: partition
  min_size: 0
  fs_type: ext4
  mount: /var/www