# vim:ts=2:sw=2:et:filetype=ansible
---
- name: test for available disk space
  assert:
    quiet: true
    that:
      - not (item.mount == '/' and ( item.size_available < item.size_total - ( item.size_total|float * ((100 - (disk_free_percentage|default(15)))/100) ) ) )
      - not (item.mount == '/var' and ( item.size_available < item.size_total - ( item.size_total|float * ((100 - (disk_free_percentage|default(15)))/100) ) ) )
      - not (item.mount == '/boot' and ( item.size_available < item.size_total - ( item.size_total|float * ((100 - (disk_free_percentage|default(15)))/100) ) ) )
      - not (item.mount == '/boot/efi' and ( item.size_available < item.size_total - ( item.size_total|float * ((100 - (disk_free_percentage|default(15)))/100) ) ) )
    success_msg: '{{ item.mount }} available space {{ item.size_available | default(0) | human_readable }} over {{ disk_free_percentage | default(15) }}% '
    fail_msg: '{{ item.mount }} available space {{ item.size_available | default(0) | human_readable }} under {{ disk_free_percentage | default(15) }}%. Required: {{ (item.size_total - ( item.size_total|float * ((100 - (disk_free_percentage|default(15)))/100) )) | human_readable }}'
  loop: '{{ ansible_mounts }}'
  loop_control:
    label: '{{ item.mount }}: Available {{ item.size_available | default(0) | human_readable }}, Total {{ item.size_total | default(0) | human_readable }}. Required: {{ (item.size_total - ( item.size_total|float * ((100 - (disk_free_percentage|default(15)))/100) )) | human_readable }} '
  ignore_errors: true
  register: disk_free

- name: Not enough free disk space
  fail:
    msg: |
      Not enough free space on system:
      {% for failed_space in (disk_free.results | selectattr('failed')) %}
      {{ failed_space.msg }}
      {% endfor %}

      Try cleaning up space by removing files / packages
  when: "disk_free is failed"