---
# file: tasks/boot.yml

- name: boot - define config
  set_fact:
    boot_config:
    # set clocksource at boot
    - dest: /etc/update-extlinux.conf
      line: 'default_kernel_opts="\1 clocksource=tsc tsc=reliable"'
      regex: '^default_kernel_opts="((?!.*clocksource=tsc tsc=reliable).*)"$'

- name: boot - stat config file
  changed_when: false
  register: boot_config_stat
  stat:
    path: '{{item.dest}}'
  with_items: '{{boot_config|default([])}}'

- name: boot - update config
  become: yes
  lineinfile:
    backrefs: true
    dest: '{{item.0.dest}}'
    line: '{{item.0.line}}'
    regex: '{{item.0.regex}}'
  with_together:
  - '{{boot_config|default([])}}'
  - '{{boot_config_stat.results}}'
  when: item.1.stat.exists
  register: boot_config_handler_notify
  notify:
  - update boot config