---

- name: Enable container features
  replace:
    path: /boot/cmdline.txt
    regexp: '^([\w](?!.*\b{{ item }}\b).*)$'
    replace: '\1 {{ item }}'
  with_items:
  - "cgroup_enable=cpuset"
  - "cgroup_memory=1"
  - "cgroup_enable=memory"
  - "wapaccount=1"
  register: cmdline

- name: Set Swappoff in conf file
  lineinfile:
    path: /etc/dphys-swapfile
    line: CONF_SWAPSIZE=0
    state: present
    insertafter: EOF
  register: swap

- name: Unconditionally reboot the machine with all defaults
  reboot:
  when: cmdline.changed or swap.changed