--- /dev/null
+#! /bin/bash
+
+# define classes for disk_config in an EFI enironment
+
+if [ ! -d /sys/firmware/efi ]; then
+ exit 0
+fi
+
+if ifclass FAIBASE; then
+ echo FAIBASE_EFI
+elif ifclass FAISERVER; then
+ echo FAISERVER_EFI
+elif ifclass LVM; then
+ echo LVM_EFI
+elif ifclass XENIAL; then
+ echo XENIAL_EFI
+fi