ansible-role-grub/tasks/main.yml

---
# tasks file for grub
- name: include assert.yml
  include_tasks: assert.yml

- name: install required packages
  package:
    name: "{{ grub_packages }}"
    state: present
  register: grub_install_required_packages
  until: grub_install_required_packages is succeeded
  retries: 3

- name: set GRUB_TIMEOUT
  lineinfile:
    path: /etc/default/grub
    line: GRUB_TIMEOUT={{ grub_timeout }}
  notify:
    - update grub

- name: add options to GRUB_CMDLINE_LINUX
  replace:
    path: /etc/default/grub
    regexp: '^GRUB_CMDLINE_LINUX="((:?(?!{{ item.option }}={{ item.value }}).)*?)"$'
    replace: 'GRUB_CMDLINE_LINUX="\1 {{ item.option }}={{ item.value }}"'
    validate: /bin/sh %s
  loop: "{{ grub_options }}"
  loop_control:
    label: "{{ item.option }}"
  notify:
    - update grub
  when:
    - grub_options is defined
    - grub_options | length > 0

- name: flush handlers
  meta: flush_handlers