community.general/tests/integration/targets/lvg/tasks/test_pvresize.yml

- name: "Create volume group on first disk"
  lvg:
    vg: testvg
    pvs: "{{ loop_device1.stdout }}"

- name: Gets current vg size
  shell: vgs -v testvg -o pv_size --noheading --units b | xargs
  register: cmd_result

- name: Assert the testvg size is 8388608B
  assert:
   that:
    - "'8388608B' == cmd_result.stdout"

- name: Increases size in file
  command: "dd if=/dev/zero bs=8MiB count=1 of={{ remote_tmp_dir }}/img1 conv=notrunc oflag=append"

- name: "Reread size of file associated with loop_device1"
  command: "losetup -c {{ loop_device1.stdout }}"

- name: "Reruns lvg with pvresize:no"
  lvg:
   vg: testvg
   pvs: "{{ loop_device1.stdout }}"
   pvresize: no
  register: cmd_result
 
- assert:
    that:
    - cmd_result is not changed

- name: Gets current vg size
  shell: vgs -v testvg -o pv_size --noheading --units b | xargs
  register: cmd_result

- name: Assert the testvg size is still 8388608B
  assert:
   that:
    - "'8388608B' == cmd_result.stdout"

- name: "Reruns lvg with pvresize:yes and check_mode:yes"
  lvg:
   vg: testvg
   pvs: "{{ loop_device1.stdout }}"
   pvresize: yes
  check_mode: yes
  register: cmd_result
  
- name: Assert that the module returned the state was changed
  assert:
    that:
    - cmd_result is changed

- name: Gets current vg size
  shell: vgs -v testvg -o pv_size --noheading --units b | xargs
  register: cmd_result
 
- name: Assert the testvg size is still 8388608B
  assert:
   that:
    - "'8388608B' == cmd_result.stdout"

- name: "Reruns lvg with pvresize:yes"
  lvg:
   vg: testvg
   pvs: "{{ loop_device1.stdout }}"
   pvresize: yes

- name: Gets current vg size
  shell: vgs -v testvg -o pv_size --noheading --units b | xargs
  register: cmd_result

- name: Assert the testvg size is now 16777216B
  assert:
   that:
    - "'16777216B' == cmd_result.stdout"