---

- name: include zfs-release tasks (CentOS/RHEL/Fedora)
  include_tasks: zfs-release-el.yml
  when: ('zfs-release' not in ansible_facts.packages) and (ansible_distribution in ["CentOS" , "Red Hat Enterprise Linux" ])

- name: include zfs installation tasks (Ubuntu)
  include_tasks: ubuntu.yml
  when: ansible_distribution in ["Ubuntu"]

- name: include zfs installation tasks (CentOS/RHEL/Fedora)
  include_tasks: el.yml
  when: (ansible_distribution in ["CentOS" , "Red Hat Enterprise Linux", "Fedora" ] and not is_atomic)

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

- name: add zfs to modules-load.d
  copy:
    dest: "/etc/modules-load.d/zfs.conf"
    content: |
      zfs
  register: zfsload

# does not adjust to 20% of each host, depends on consistency between hosts - inconsistency leads to disproportionate allocations
- name: set zfs_arc_max to 20% installed memory ({{ zfs_arc_size_bytes }} bytes)
  lineinfile:
    path: "/etc/modprobe.d/zfs.conf"
    regexp: '^options zfs zfs_arc_max='
    line: 'options zfs zfs_arc_max="{{ zfs_arc_size_bytes }}"'
    create: yes

# really bad idempotence in here...
#- name: create zpool
#  command: "zpool create -f -O compression=lz4 data {{ zfs_disk }} -o ashift=13 -O secondarycache=all"
#  args:
#    creates: /etc/zvol/data/*