ansible-manage-lvm/tasks/create_fs.yml

---
- name: create_fs | unmounting filesystem(s)
  mount:
    path: "{{ lv.mntp }}"
    src: "/dev/{{ vg.vgname }}/{{ lv.lvname }}"
    fstype: "{{ lv.filesystem | default(omit) }}"
    state: absent
  become: true
  loop: "{{ vg.lvnames }}"
  loop_control:
    loop_var: lv
  when:
    - lv is defined
    - lv != 'None'
    - lv.create is defined
    - not lv.create|bool
    - lv.filesystem != "swap"

- name: create_fs | creating new filesystem on new LVM logical volume(s)
  filesystem:
    fstype: "{{ lv.filesystem }}"
    dev: "/dev/{{ vg.vgname }}/{{ lv.lvname }}"
    resizefs: yes
  loop: "{{ vg.lvnames }}"
  loop_control:
    loop_var: lv
  become: true
  when:
    - vg.create is defined
    - vg.create|bool
    - lv is defined
    - lv != 'None'
    - lv.create is defined
    - lv.create|bool
    - lv.filesystem is defined
    - lv.filesystem != 'None'
    - lv.filesystem != 'xfs'

# unable to resize xfs: looks like we've to reference the mountpoint instead of the device
- name: create_fs | check already converted
  # at least xfs is executed twice if the partition has changed in the meantime
  # then it tries to recreate the fs on the mounted fs which indeed fails...
  shell: "xfs_info {{ lv.mntp }} | grep -c 'ftype=1'"
  become: yes
  loop: "{{ vg.lvnames }}"
  loop_control:
    loop_var: lv
  register: mountedxfs
  ignore_errors: true
  changed_when: false
  when:
    - lv is defined and lv != 'None'
    - lv.filesystem is defined
    - lv.filesystem == "xfs"
    - lv.create is defined
    - lv.create|bool

- name: create_fs | creating new xfs filesystem on new LVM logical volume(s)
  filesystem:
    fstype: "{{ lv.filesystem }}"
    dev: "/dev/{{ vg.vgname }}/{{ lv.lvname }}"
  loop: "{{ vg.lvnames }}"
  loop_control:
    loop_var: lv
  become: true
  when:
    - mountedxfs is failed
    - vg.create is defined
    - vg.create|bool
    - lv is defined
    - lv != 'None'
    - lv.create is defined
    - lv.create|bool
    - lv.filesystem is defined
    - lv.filesystem == 'xfs'

- name: create_fs | mounting new filesystem(s)
  mount:
    path: "{{ lv.mntp }}"
    src: "/dev/{{ vg.vgname }}/{{ lv.lvname }}"
    fstype: "{{ lv.filesystem }}"
    state: mounted
    opts: "{{ lv.mopts | default('defaults') }}"
  become: true
  loop: "{{ vg.lvnames }}"
  loop_control:
    loop_var: lv
  when:
    - vg.create is defined
    - vg.create|bool
    - lv is defined
    - lv != 'None'
    - lv.create is defined
    - lv.create|bool
    - lv.mount is defined
    - lv.mount|bool