ansible/test/integration/targets/filesystem/tasks/create_fs.yml

- block:
  - name: 'Create a "disk" file'
    command: 'dd if=/dev/zero of={{ dev }} bs=1M count={{ fssize }}'

  - name: filesystem creation
    filesystem:
      dev: '{{ dev }}'
      fstype: '{{ fstype }}'
    register: fs_result

  - assert:
      that:
        - 'fs_result is changed'
        - 'fs_result is success'

  - command: 'blkid -c /dev/null -o value -s UUID {{ dev }}'
    register: uuid

  - name: "Check that filesystem isn't created if force isn't used"
    filesystem:
      dev: '{{ dev }}'
      fstype: '{{ fstype }}'
    register: fs2_result

  - command: 'blkid -c /dev/null -o value -s UUID {{ dev }}'
    register: uuid2

  - assert:
      that:
        - 'not (fs2_result is changed)'
        - 'fs2_result is success'
        - 'uuid.stdout == uuid2.stdout'

  - name: Check that filesystem is recreated if force is used
    filesystem:
      dev: '{{ dev }}'
      fstype: '{{ fstype }}'
      force: yes
    register: fs3_result

  - command: 'blkid -c /dev/null -o value -s UUID {{ dev }}'
    register: uuid3

  - assert:
      that:
        - 'fs3_result is changed'
        - 'fs3_result is success'
        - 'uuid.stdout != uuid3.stdout'

  - name: increase fake device
    shell: 'dd if=/dev/zero bs=1M count=20 >> {{ dev }}'

  - when: 'grow|bool'
    block:
    - name: Expand filesystem
      filesystem:
        dev: '{{ dev }}'
        fstype: '{{ fstype }}'
        resizefs: yes
      register: fs4_result

    - command: 'blkid -c /dev/null -o value -s UUID {{ dev }}'
      register: uuid4

    - assert:
        that:
          - 'fs4_result is changed'
          - 'fs4_result is success'
          - 'uuid3.stdout == uuid4.stdout' # unchanged

    - name: Try to expand filesystem again
      filesystem:
        dev: '{{ dev }}'
        fstype: '{{ fstype }}'
        resizefs: yes
      register: fs5_result

    - assert:
        that:
          - 'not (fs5_result is changed)'
          - 'fs5_result is successful'

  - import_tasks: overwrite_another_fs.yml

  always:
    - file:
        name: '{{ dev }}'
        state: absent