swap

---

- name: ensure swap file is allocated
  command: dd if=/dev/zero of=/swapfile bs=1M count={{ common_swap_size }} creates=/swapfile
  when: ansible_swaptotal_mb < 1
  register: swapfile_init

- name: ensure swap file is created
  command: mkswap /swapfile
  when: swapfile_init is defined and swapfile_init.changed

- name: ensure swap file is added to fstab
  action: lineinfile dest=/etc/fstab regexp="swapfile" line="/swapfile none swap sw 0 0" state=present
  when: swapfile_init is defined and swapfile_init.changed

- name: ensure swap file is enabled
  command: swapon -a
  when: swapfile_init is defined and swapfile_init.changed

- name: ensure swappiness is set
  shell: echo 0 | sudo tee /proc/sys/vm/swappiness
  when: swapfile_init is defined and swapfile_init.changed