---
- name: configure arc size
  when: zfs_arc_size is defined
  copy:
    content: |
      options zfs zfs_arc_min={{ zfs_arc_size.min }}
      options zfs zfs_arc_max={{ zfs_arc_size.max }}
    dest: /etc/modprobe.d/zfs.conf

## TODO: @debian: make sure contrib repo is added

- name: install zfs packages
  apt:
    name: zfs-dkms
    state: present

- name: check if module is available for the currently running kernel
  command: modprobe --dry-run zfs
  check_mode: no
  register: zfs_module_available
  failed_when: false
  changed_when: false

- name: rebuild zfs module
  when: zfs_module_available.rc != 0
  command: dpkg-reconfigure zfs-dkms

- name: load zfs kernel module
  modprobe:
    name: zfs
    state: present

- name: install zfs file system utilities
  apt:
    name: zfsutils-linux
    state: present

- name: create zpools
  loop: "{{ zfs_zpools | dict2items }}"
  loop_control:
    label: "{{ item.key }}"
  command: "zpool create -m {{ item.value.mountpoint }} {% for prop, value in (item.value.properties | default(zfs_zpool_properties)).items() %}-o {{ prop }}={{ value }} {% endfor %}{{ item.key }} {{ item.value.create_vdevs }}"
  args:
    creates: "{{ item.value.mountpoint }}"