---
- name: generate file for swapping
  command:
    cmd: "dd if=/dev/zero of={{ swap_file }} bs={{ swap_block_size }} count={{ swap_block_count }}"
    chdir: "/"
    creates: "{{ swap_file }}"
  register: swapfile_setup

- name: prepare swap file
  command:
    cmd: "mkswap {{ swap_file }}"
    chdir: "/"
  when: swapfile_setup.changed
  register: swapfile_creation

- name: set swap permission
  file:
    path: "{{ swap_file }}"
    mode: 0600

- name: activate swap
  command:
    cmd: "swapon {{ swap_file }}"
    chdir: "/"
  when: swapfile_creation.changed

- name: mount swap on boot
  mount:
    path: none
    src: "{{ swap_file }}"
    fstype: swap
    opts: sw
    passno: 0
    dump: 0
    state: present