---
- name: install zfs prerequisites
  become: true
  community.general.pacman:
    name: "{{ zfs_prereq_packages }}"
    state: latest
    update_cache: true
  when:
    - ansible_os_family == 'Arch'

- name: add gpg parameters file from template
  become: true
  ansible.builtin.template:
    src: key-params.j2
    dest: /root/key-params
    owner: root
    group: root
    mode: 0660

- name: generate gpg key for root
  become: true
  ansible.builtin.shell:
    cmd: gpg --batch --gen-key /root/key-params

- name: import zfs signing key
  become: true
  ansible.builtin.shell:
    cmd: gpg --receive-keys {{ aur_zfs_key_fingerprint|quote }}

- name: trust zfs signing key
  become: true
  ansible.builtin.shell:
    cmd: gpg --quick-lsign-key {{ aur_zfs_key_fingerprint|quote }}

- name: install zfs module
  become: true
  community.general.pacman:
    executable: /usr/bin/pikaur
    name: "{{ zfs_packages }}"
    state: latest
    update_cache: true
  when:
    - ansible_os_family == 'Arch'

- name: set zfs module parameters
  become: true
  ansible.builtin.template:
    src: zfs.conf.j2
    dest: /etc/modprobe.d/zfs.conf
    owner: root
    group: root
    mode: 0664

- name: load zfs module
  become: true
  community.general.modprobe:
    name: zfs
    state: present

- name: create zpool
  become: true
  ansible.builtin.shell:
    cmd: zpool create -o ashift={{ zfs_zpool_ashift|quote }} -o autotrim=on -o cachefile=/etc/zfs/zpool.cache -O acltype=posixacl -O atime=off -O xattr=sa -O mountpoint=none -O canmount=off -O devices=off -O compression={{ zfs_zpool_compression|quote }} {{ zfs_zpool_name|quote }} {{ zfs_zpool_type|quote }} {{ zfs_zpool_disk_a|quote }} {{ zfs_zpool_disk_b|quote }} 

- name: enable zfs services
  become: true
  ansible.builtin.service:
    name: "{{ item }}"
    state: started
    enabled: yes
  loop:
    - zfs-import-cache.service
    - zfs-mount.service
    - zfs.target

- name: create backup zfs dataset
  community.general.zfs:
    name: "{{ zfs_backup_dataset }}"
    state: present
    extra_zfs_properties:
      canmount: off
      mountpoint: none
      primarycache: none
      secondarycache: none
      reservation: none
      refreservation: none
      dedup: off
      encryption: off
      volmode: dev
      devices: off
      atime: off