---
# tasks file for zfs management
# Based on: https://github.com/mrlesmithjr/ansible-zfs/blob/master/tasks/manage_zfs.yml
# Expected variables in your inventory: zfs_pools.

- name: checking existing zpool(s)
  ansible.builtin.shell: "zpool list -H -o name"
  changed_when: false
  register: current_zp_state
  check_mode: no
  when: zfs_pools is defined

- name: gather zpool status
  ansible.builtin.shell: zpool status
  changed_when: false
  register: zpool_devices
  when: zfs_pools is defined

- name: creating basic zpool(s)
  ansible.builtin.command: "zpool create {{ '-o '+ item.options.items() |map('join', '=') | join (' -o ') if item.options is defined else '' }} {{ item.name }} {{ item.devices|join (' ') }}"
  with_items: "{{ zfs_pools }}"
  when:
    - zfs_pools is defined
    - item.type == "basic"
    - item.name not in current_zp_state.stdout
    - item.state == "present"
    - item.devices[0] not in zpool_devices.stdout

- name: creating mirror/zraid zpool(s)
  ansible.builtin.command: "zpool create {{ '-o '+ item.options.items() |map('join', '=') | join (' -o ') if item.options is defined else '' }} {{ item.name }} {{ item.type }} {{ item.devices|join (' ') }}"
  with_items: "{{ zfs_pools }}"
  when:
    - zfs_pools is defined
    - item.type != "basic"
    - item.name not in current_zp_state.stdout
    - item.state == "present"
    - item.devices[0] not in zpool_devices.stdout

- name: deleting zpool(s) with care
  include_tasks: "./delete-pool.yml"
  when:
    - zfs_pools is defined
    - zpool.name in current_zp_state.stdout_lines
    - zpool.state == "absent"
  loop: "{{ zfs_pools }}"
  loop_control:
    loop_var: zpool