ansible-manage-lvm/tasks/create_fs.yml

---
- name: manage_lvm | 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 and
    lv != 'None') and
    (lv.create is defined and
    not lv.create and
    lv.filesystem != "swap")

- name: manage_lvm | 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 and
    vg.create) and
    (lv is defined and
    lv != 'None') and
    (lv.create is defined and
    lv.create) and
    (
    lv.filesystem is defined and
    lv.filesystem != 'None' and
    lv.filesystem != 'xfs'
    )
    )
  # unable to resize xfs: looks like we've to reference the mountpoint instead of the device

- name: lvm | 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: no
  when: >
    (
    (lv is defined and lv != 'None') and
    (
    lv.filesystem is defined and
    lv.filesystem == "xfs"
    )
    and
    (
    lv.create is defined and
    lv.create
    )
    )

- name: manage_lvm | 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 and
    (vg.create is defined and
    vg.create) and
    (lv is defined and
    lv != 'None') and
    (lv.create is defined and
    lv.create) and
    (
    lv.filesystem is defined and
    lv.filesystem == 'xfs'
    )
    )

- name: manage_lvm | 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 and
    vg.create) and
    lv != 'None' and
    (lv.create is defined and
    lv.create) and
    (lv.mount is defined and
    lv.mount))