---
- name: Converge
  hosts: all
  pre_tasks:
    - name: Get /root/image.img stats
      ansible.builtin.stat:
        path: /root/image.img
      register: make_lv_img_stat

    - name: Create image file
      when: not make_lv_img_stat.stat.exists
      ansible.builtin.command: dd if=/dev/zero of=/root/image.img bs=1M count=128
      register: make_lv_dd_result
      changed_when: make_lv_dd_result.rc == 0

    - name: Get linked loop devices
      ansible.builtin.command: losetup -a
      changed_when: false
      register: make_lv_loop_devs

    - name: Link image to loop device
      when: "'/root/image.img' not in make_lv_loop_devs.stdout"
      ansible.builtin.command: losetup --find --show -P /root/image.img
      register: make_lv_loop_device
      changed_when: "'/dev/loop' in make_lv_loop_device.stdout"

    - name: Get all loop devices
      ansible.builtin.command: losetup -a
      register: make_lv_losetup_out
      changed_when: false

    - name: Find line with /root/image.img
      ansible.builtin.set_fact:
        make_lv_matched_line: "{{ make_lv_losetup_out.stdout_lines
                          | select('search', '/root/image.img')
                          | list
                          | first
                          | default('') }}"

    - name: Extract loop device name (/dev/loopN)
      ansible.builtin.set_fact:
        make_lv_loop_dev: "{{ make_lv_matched_line | regex_search('(/dev/loop[0-9]+)', '\\1') | default('') }}"

    - name: Debug result
      ansible.builtin.debug:
        msg: "/root/image.img is linked to {{ make_lv_loop_dev[0] }}"
      when: make_lv_loop_dev != ''

  roles:
    - role: genlab.common.make_lv
      virtual_group: "group"
      logical_volume: "volume"
      lvm_dev: "{{ make_lv_loop_dev[0] }}"
      make_lv_size: 100%FREE
      make_lv_fs_type: ext4
      make_lv_storage_mountpoint: "/mnt"
      make_lv_storage_mountpoint_mode: "0755"
      make_lv_mountpoint_owner: root
      make_lv_mountpoint_group: root
      make_lv_is_container: true