ansible-manage-lvm/tasks/manage_lvm.yml

---
- name: manage_lvm | creating new LVM volume group(s)
  lvg:
    vg: "{{ item['vgname'] }}"
    pvs: "{{ item['disks']|join(',') }}"
    state: "present"
  become: true
  with_items: "{{ lvm_groups }}"
  when: >
        (item['create'] is defined and
        item['create'])

- name: manage_lvm | creating new LVM logical volume(s)
  lvol:
    vg: "{{ item[0]['vgname'] }}"
    lv: "{{ item[1]['lvname'] }}"
    size: "{{ item[1]['size'] }}"
    shrink: no
    opts: "{{ item[1]['opts'] | default('') }}"
    state: "present"
  become: true
  register: lvm
  with_subelements:
    - "{{ lvm_groups }}"
    - lvnames
  when: >
        ((item[0]['create'] is defined
        and item[0]['create']) and
        (item[1] is defined and
        item[1] != 'None') and
        (item[1]['create'] is defined and
        item[1]['create']))

- name: manage_lvm | creating new filesystem on new LVM logical volume(s)
  filesystem:
    fstype: "{{ item[1]['filesystem'] }}"
    dev: "/dev/{{ item[0]['vgname'] }}/{{ item[1]['lvname'] }}"
#    resizefs: yes  #coming in 2.0 which will replace the resizing filesystem task below
  become: true
  with_subelements:
    - "{{ lvm_groups }}"
    - lvnames
  when: >
        ((item[0]['create'] is defined and
        item[0]['create']) and
        (item[1] is defined and
        item[1] != 'None') and
        (item[1]['create'] is defined and
        item[1]['create']) and
        (item[1]['filesystem'] is defined and
        item[1]['filesystem'] != 'None'))

- name: manage_lvm | mounting new filesystem(s)
  mount:
    name: "{{ item[1]['mntp'] }}"
    src: "/dev/{{ item[0]['vgname'] }}/{{ item[1]['lvname'] }}"
    fstype: "{{ item[1]['filesystem'] }}"
    state: "mounted"
    opts: "{{ item[1]['mopts'] | default('defaults') }}"
  become: true
  with_subelements:
    - "{{ lvm_groups }}"
    - lvnames
  when: >
        ((item[0]['create'] is defined and
        item[0]['create']) and
        (item[1] is defined and
        item[1] != 'None') and
        (item[1]['create'] is defined and
        item[1]['create']) and
        (item[1]['mount'] is defined and
        item[1]['mount']))

- name: manage_lvm | resizing filesystem
  command: resize2fs /dev/{{ item[0]['vgname'] }}/{{ item[1]['lvname'] }}
  become: true
  with_subelements:
    - "{{ lvm_groups }}"
    - lvnames
  when: >
        lvm['changed'] and
        item[1]['filesystem'] is defined and
        item[1]['filesystem'] != "swap" and
        item[1]['filesystem'] != "xfs" and
        item[1]['filesystem'] != "btrfs"

- name: manage_lvm | resizing xfs
  command: xfs_growfs -d /dev/{{ item[0]['vgname'] }}/{{ item[1]['lvname'] }}
  become: true
  with_subelements:
    - "{{ lvm_groups }}"
    - lvnames
  when: >
        lvm['changed'] and
        item[1]['filesystem'] is defined and
        item[1]['filesystem'] == "xfs"

- name: manage_lvm | resizing swap
  shell: "swapoff -a && mkswap /dev/{{ item[0]['vgname'] }}/{{ item[1]['lvname'] }} && swapon -va"
  become: true
  with_subelements:
    - "{{ lvm_groups }}"
    - lvnames
  when: >
        lvm['changed'] and
        item[1]['filesystem'] is defined and
        item[1]['filesystem'] == "swap"

- name: manage_lvm | resizing btrfs
  shell: "btrfs filesystem resize max {{ item[1]['mntp'] }}"
  become: true
  with_subelements:
    - "{{ lvm_groups }}"
    - lvnames
  when: >
        lvm['changed'] and
        item[1]['filesystem'] is defined and
        item[1]['filesystem'] == "btrfs"

- name: manage_lvm | unmounting filesystem(s)
  mount:
    name: "{{ item[1]['mntp'] }}"
    src: "/dev/{{ item[0]['vgname'] }}/{{ item[1]['lvname'] }}"
    fstype: "{{ item[1]['filesystem'] | default(omit) }}"
    state: "absent"
  become: true
  with_subelements:
    - "{{ lvm_groups }}"
    - lvnames
  when: >
        (item[1] is defined and
        item[1] != 'None') and
        (item[1]['create'] is defined and
        not item[1]['create'])

- name: manage_lvm | Removing LVM logical volume(s)
  lvol:
    vg: "{{ item[0]['vgname'] }}"
    lv: "{{ item[1]['lvname'] }}"
    state: "absent"
    force: yes
  become: true
  with_subelements:
    - "{{ lvm_groups }}"
    - lvnames
  when: >
        (item[1] is defined and
        item[1] != 'None') and
        (item[1]['create'] is defined and
        not item[1]['create'])

- name: manage_lvm | Removing LVM volume group(s)
  lvg:
    vg: "{{ item['vgname'] }}"
    pvs: "{{ item['disks']|join(',') }}"
    state: "absent"
  become: true
  with_items: "{{ lvm_groups }}"
  when: >
        item['create'] is defined and
        not item['create']