refactor(configuration): simplify grub commandline variable assembly

roles/configuration/tasks/grub.yml

@@ -16,7 +16,7 @@
   block:
     - name: Build RHEL kernel command line defaults
       vars:
-        configuration_grub_root_uuid_value: >-
+        grub_root_uuid: >-
           {{
             (
               partitioning_main_uuid.stdout
@@ -26,7 +26,7 @@
             | default('')
             | trim
           }}
-        configuration_grub_lvm_args_value: >-
+        grub_lvm_args: >-
           {{
             (
               ['rd.lvm.lv=sys/root']
@@ -39,27 +39,27 @@
             if (filesystem | lower) != 'btrfs'
             else []
           }}
-        configuration_grub_root_flags_value: >-
+        grub_root_flags: >-
           {{ ['rootflags=subvol=@'] if (filesystem | lower) == 'btrfs' else [] }}
-        configuration_grub_cmdline_linux_base_value: >-
+        grub_cmdline_linux_base: >-
           {{
-            (['crashkernel=auto'] + configuration_grub_lvm_args_value)
+            (['crashkernel=auto'] + grub_lvm_args)
             | join(' ')
           }}
-        configuration_grub_kernel_cmdline_base_value: >-
+        grub_kernel_cmdline_base: >-
           {{
             (
-              (['root=UUID=' + configuration_grub_root_uuid_value]
-               if configuration_grub_root_uuid_value | length > 0 else [])
+              (['root=UUID=' + grub_root_uuid]
+               if grub_root_uuid | length > 0 else [])
               + ['ro', 'crashkernel=auto']
-              + configuration_grub_lvm_args_value
-              + configuration_grub_root_flags_value
+              + grub_lvm_args
+              + grub_root_flags
             )
             | join(' ')
           }}
       ansible.builtin.set_fact:
-        configuration_grub_cmdline_linux_base: "{{ configuration_grub_cmdline_linux_base_value }}"
-        configuration_kernel_cmdline_base: "{{ configuration_grub_kernel_cmdline_base_value }}"
+        configuration_grub_cmdline_linux_base: "{{ grub_cmdline_linux_base }}"
+        configuration_kernel_cmdline_base: "{{ grub_kernel_cmdline_base }}"
       changed_when: false
 
     - name: Check if grub defaults file exists