spvm: Format all disks before the test starts

lib/bootloader_pvm.pm

@@ -117,10 +117,13 @@ sub prepare_pvm_installation {
 
     # Delete partition table before starting installation
     select_console('install-shell');
-    foreach my $disk (split(',', get_var('DISK_DEVICES', 'sda'))) {
-        script_run("wipefs -a /dev/$disk");
-        # For cryptlvm+activate existing scenario, create empty enrypted partition
-        create_encrypted_part("$disk") if get_var('ENCRYPT_ACTIVATE_EXISTING');
+
+
+    my $disks = script_output('lsblk -n -p -l -o NAME -d -e 7,11');
+    for my $d (split('\n', $disks)) {
+        script_run("echo 'wipefs -a $d'");
+        script_run "wipefs -a $d";
+        create_encrypted_part("$d") if get_var('ENCRYPT_ACTIVATE_EXISTING');
     }
     # Switch to installation console (ssh or vnc)
     select_console('installation');

variables.md

@@ -32,7 +32,6 @@ DEPENDENCY_RESOLVER_FLAG| boolean | false      | Control whether the resolve_dep
 DEV_IMAGE | boolean | false | This setting is used to set veriables properly when SDK or Development-Tools are required.
 DISABLE_ONLINE_REPOS | boolean | false | Enables `installation/disable_online_repos` test module, relevant for openSUSE only. Test module explicitly disables online repos not to be used during installation.
 DISABLE_SLE_UPDATES | boolean | false | Disables online updates for the installation. Is true if `QAM_MINIMAL` is true for SLE.
-DISK_DEVICES | string | | Comma separated list of disk devices in the system, e.g. `sda,sdb,vda`. Can be used to format disks as a precondition for the test suite.
 DISTRI | string | | Defines distribution. Possible values: `sle`, `opensuse`, `casp`, `caasp`, `microos`.
 DOCRUN | boolean | false |
 DUALBOOT | boolean | false | Enables dual boot configuration during the installation.