- name: Capture logical volume adjacent to /boot
  ansible.builtin.shell:
    cmd: |
      set -o pipefail
      lsblk -pl -o name,type,mountpoint {{ bigboot_boot_mount['device'][:-1] }} | grep -vi swap | grep lvm | head -1 | awk '{ print $1}'
    executable: /bin/sh
  changed_when: false
  register: bigboot_adjacent_lvm

- name: Debug bigboot_adjacent_lvm
  ansible.builtin.debug:
    var: bigboot_adjacent_lvm

- name: Set adjacent LVM device name
  ansible.builtin.set_fact:
    bigboot_adjacent_lvm_device: "{{ bigboot_adjacent_lvm.stdout }}"

- name: Debug bigboot_adjacent_lvm_device
  ansible.builtin.debug:
    var: bigboot_adjacent_lvm_device

- name: Get logical volume mount information
  ansible.builtin.set_fact:
    bigboot_lv_info: "{{ ansible_facts.mounts \
      | selectattr('device', 'equalto', bigboot_adjacent_lvm_device) | first }}"

- name: Debug bigboot_lv_info
  ansible.builtin.debug:
    var: bigboot_lv_info

# - name: Get the mount point info
#   ansible.builtin.set_fact:
#     shrink_lv_mount_info: "{{ ansible_facts.mounts | selectattr('device', 'equalto', item.device) }}"

# - name: Assert that the mount point exists
#   ansible.builtin.assert:
#     that: (shrink_lv_mount_info | length) == 1
#     fail_msg: "Mount point {{ item.device }} does not exist"

# - name: Assert that the filesystem is supported
#   ansible.builtin.assert:
#     that: shrink_lv_mount_info[0].fstype in ['ext4']
#     fail_msg: "Unsupported filesystem '{{ shrink_lv_mount_info[0].fstype }}' on '{{ item.device }}'"

# - name: Assert that the filesystem has enough free space
#   ansible.builtin.assert:
#     that: shrink_lv_mount_info[0].block_size * shrink_lv_mount_info[0].block_used < (item.size | ansible.builtin.human_to_bytes)
#     fail_msg: >
#       Requested size {{ item.size }} is smaller than currently used
#       {{ (shrink_lv_mount_info[0].block_size * shrink_lv_mount_info[0].block_used) | ansible.builtin.human_readable }}