update-grub example

grub_example.sls

{%- from "grub/map.jinja" import grub with context %}

grub_default_config:
  file.managed:
    - name: '/etc/default/grub'
    - source: salt://grub/files/default_grub.j2
    - user: root
    - group : root
    - mode: 0644
    - template: jinja

{% if grub.do_update %}
grub_update_config:
  cmd.wait:
    - name: update-grub
    - watch:
      - file: grub_default_config
{% endif %}