- block:

  - name: Check for existing image
    stat:
      path: "{{ distro }}.{{ image_formats[0] }}"
    register: image_file

  - name: Build image
    command: |
      disk-image-create -o {{ distro }} -t {{ image_formats | join(',') }} {{ distro }}-minimal simple-init growroot
    when: not image_file.stat.exists

- rescue:

  - name: Clean up after a build failure
    file:
      path: "{{ distro }}.{{ item }}"
      state: absent
    with_items: "{{ image_formats }}"