Optional grub cmdline parameters.

defaults/main.yml

@@ -13,6 +13,8 @@ locales_list:
 
 domain_name: '{{ ansible_domain }}'
 
+configure_grub_cmdline_parameters: false
+grub_cmdline_additional_parameters: ""
 sysctl_custom_file: /etc/sysctl.d/90-custom-values.conf
 sysctl_opts_reload: yes
 sysctl_custom_file_state: present

tasks/grub_cmdline_parameters.yml

@@ -0,0 +1,18 @@
+- name: grub_cmdline_parameters | Manage additional grub command line options
+  tags:
+    - grub
+    - kernel
+  block:
+    - name: grub_cmdline_parameters | Install the grub command line configuration
+      ansible.builtin.template:
+        src: grub_cmdline.cfg.j2
+        dest: /etc/grub.d/99-grub-ansible-cmdline.cfg
+        owner: root
+        group: root
+        mode: "0644"
+      when: configure_grub_cmdline_parameters
+    - name: grub_cmdline_parameters | Remove the custom grub command line configuration
+      ansible.builtin.file:
+        dest: /etc/grub.d/99-grub-ansible-cmdline.cfg
+        state: absent
+      when: not configure_grub_cmdline_parameters

tasks/main.yml

@@ -9,6 +9,8 @@
   ansible.builtin.import_tasks: timezone.yml
 - name: Sysctl kernel parameters
   ansible.builtin.import_tasks: sysctl.yml
+- name: Grub command line parameters
+  ansible.builtin.import_tasks: grub_cmdline_parameters.yml
 - name: Additional network interfaces
   ansible.builtin.import_tasks: network-interfaces.yml
 - name: Create a directory that will contain the local generated certificates

templates/grub_cmdline.cfg.j2

@@ -0,0 +1 @@
+GRUB_CMDLINE_LINUX_DEFAULT="$GRUB_CMDLINE_LINUX_DEFAULT {{ grub_cmdline_additional_parameters }}"