---
# see: https://docs.ansible.com/ansible/latest/collections/community/general/zfs_module.html
- name: Managing filesystems, volumes, snapshots
  community.general.zfs:
    name: "{{ item.name }}"
    state: "{{ item.state }}"
    extra_zfs_properties: "{{ item.extra_zfs_properties | default(omit) }}"
    origin: "{{ item.origin | default(omit) }}"
  with_items: "{{ zfs_datasets }}"

- name: Set dataset mountpoint ownership
  ansible.builtin.file:
    path: "{{ item.extra_zfs_properties.mountpoint }}"
    owner: "{{ item.user | default(ansible_user) }}"
    group: "{{ item.group | default(ansible_user) }}"
    state: directory
    recurse: false
  loop: "{{ zfs_datasets }}"
  when:
    - item.state | default('present') == 'present'
    - item.extra_zfs_properties.mountpoint is defined
    - item.extra_zfs_properties.mountpoint not in ['none', 'legacy']

- name: Remove leftover empty mountpoint for absent datasets
  ansible.builtin.command: "rmdir {{ item.extra_zfs_properties.mountpoint }}"
  register: rmdir_result
  failed_when:
    - rmdir_result.rc != 0
    - "'No such file or directory' not in rmdir_result.stderr"
    - "'Directory not empty' not in rmdir_result.stderr"
  changed_when: rmdir_result.rc == 0
  loop: "{{ zfs_datasets }}"
  when:
    - item.state | default('present') == 'absent'
    - item.extra_zfs_properties.mountpoint is defined