tests/kola: adding the external kola test for luks + multipath case

tests/kola/root-reprovision/luks/data/luks-test.sh

@@ -29,12 +29,17 @@ if ! grep -q no_read_workqueue <<< "${table}"; then
 fi
 ok "discard and custom option enabled for root LUKS"
 
-# while we're here, sanity-check that boot is mounted by UUID
-if ! systemctl cat boot.mount | grep -q What=/dev/disk/by-uuid; then
+# while we're here, sanity-check that boot is mounted by UUID or by multipath label
+if grep -q "rd.multipath=default" /proc/cmdline; then
+  expected_what=/dev/disk/by-label/dm-mpath-boot
+else
+  expected_what=/dev/disk/by-uuid
+fi
+if ! systemctl cat boot.mount | grep -q What="${expected_what}"; then
   systemctl cat boot.mount
-  fatal "boot mounted not by UUID"
+  fatal "boot mounted not by ${expected_what}"
 fi
-ok "boot mounted by UUID"
+ok "boot mounted by ${expected_what}"
 
 case "${AUTOPKGTEST_REBOOT_MARK:-}" in
   "")

tests/kola/root-reprovision/luks/multipath/config.ign

@@ -0,0 +1 @@
+../config.ign

tests/kola/root-reprovision/luks/multipath/data

@@ -0,0 +1 @@
+../data

tests/kola/root-reprovision/luks/multipath/test.sh

@@ -0,0 +1,33 @@
+#!/bin/bash
+## kola:
+##   # This test reprovisions the rootfs.
+##   tags: "reprovision"
+##   # This uses appendKernelArgs and multipath, which is QEMU only
+##   platforms: qemu
+##   # Root reprovisioning requires at least 4GiB of memory.
+##   minMemory: 4096
+##   # A TPM backend device is not available on s390x to suport TPM.
+##   architectures: "! s390x"
+##   # This test includes a lot of disk I/O and needs a higher
+##   # timeout value than the default.
+##   timeoutMin: 15
+##   description: Verify that LUKS on a mpath disks works.
+##   primaryDisk: ":mpath"
+##   appendKernelArgs: "rd.multipath=default"
+
+set -xeuo pipefail
+
+# shellcheck disable=SC1091
+. "$KOLA_EXT_DATA/commonlib.sh"
+
+# Check if the child device is part of the parent device
+srcdev=$(findmnt -nvr /sysroot -o SOURCE)
+parent_device="/dev/mapper/mpatha"
+
+if ! lsblk -pno NAME "$parent_device" | grep -qw "$srcdev"; then
+    fatal "$srcdev is NOT a child of $parent_device."
+fi
+ok "$srcdev device is part of the parent $parent_device device"
+
+# run the rest of the tests
+. $KOLA_EXT_DATA/luks-test.sh