---
# Per-host kernel cmdline additions, driven by `pve_kernel_cmdline_extra` in the
# inventory. No node currently sets it; keep the role for future kernel parameters.
#
# This is a no-op on hosts that do not define the variable.

- name: Set GRUB_CMDLINE_LINUX_DEFAULT
  ansible.builtin.lineinfile:
    path: /etc/default/grub
    regexp: '^GRUB_CMDLINE_LINUX_DEFAULT='
    line: 'GRUB_CMDLINE_LINUX_DEFAULT="quiet {{ pve_kernel_cmdline_extra }}"'
    backup: true
  when: pve_kernel_cmdline_extra is defined and pve_kernel_cmdline_extra | length > 0
  notify: Update grub

- name: Check which extra params are actually active
  # /proc/cmdline is the only honest source: editing grub without running
  # update-grub, or rebooting, silently leaves the fix inactive.
  ansible.builtin.command:
    cmd: cat /proc/cmdline
  register: _cmdline
  changed_when: false

- name: Warn when a configured param is not yet live
  ansible.builtin.debug:
    msg: >-
      {{ inventory_hostname }}: "{{ item }}" is configured but NOT active in
      /proc/cmdline -- a reboot is required for it to take effect.
  loop: "{{ pve_kernel_cmdline_extra.split() }}"
  when:
    - pve_kernel_cmdline_extra is defined and pve_kernel_cmdline_extra | length > 0
    - item not in _cmdline.stdout