Updates for new solution

roles/rear_backup/templates/local.conf.j2

@@ -15,10 +15,11 @@ GRUB_RESCUE=1
 KERNEL_CMDLINE="unattended"
 USER_INPUT_TIMEOUT=1
 USER_INPUT_DISK_LAYOUT_PROCEED_RECOVERY=yes
-# REAR_INITRD_COMPRESSION="lzma"
-# FIRMWARE_FILES=('no')
-MODULES=('loaded_modules')
-# EXCLUDE_MD5SUM_VERIFICATION='all'
+{% if ansible_virtualization_role == 'guest' %}
+FIRMWARE_FILES=('no')
+{% else %}
+REAR_INITRD_COMPRESSION="lzma"
+{% endif %}
 {% if bigboot_lv_vg_name is defined and bigboot_lv_vg_name|trim == "system" %}
 ONLY_INCLUDE_VG=( "system" )
 {% else %}