tests: md: test guestfish finds logical volume on md device

Test guestfish finds logical volume (LV) created on md device

tests/md/Makefile.am

@@ -22,6 +22,7 @@ TESTS = \
 	test-inspect-fstab-md.sh \
 	test-list-filesystems.sh \
 	test-list-md-devices.sh \
+	test-lvm-on-md-device.sh \
 	test-mdadm.sh
 
 TESTS_ENVIRONMENT = $(top_builddir)/run --test

tests/md/test-lvm-on-md-device.sh

@@ -0,0 +1,80 @@
+#!/bin/bash -
+# libguestfs
+# Copyright (C) 2018 Red Hat Inc.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+
+# Test guestfish finds logical volume (LV) created on md device
+
+set -e
+
+$TEST_FUNCTIONS
+skip_if_skipped
+
+disk1=lvm-on-md-devices-1.img
+disk2=lvm-on-md-devices-2.img
+
+rm -f $disk1 $disk2
+
+# Clean up if the script is killed or exits early
+cleanup ()
+{
+    status=$?
+    set +e
+
+    # Don't delete the output files if non-zero exit
+    if [ "$status" -eq 0 ]; then rm -f $disk1 $disk2; fi
+
+    exit $status
+}
+trap cleanup INT QUIT TERM EXIT
+
+guestfish <<EOF
+# Add 2 empty disks
+sparse $disk1 100M
+sparse $disk2 100M
+run
+
+# Create a raid0 based on the 2 disks
+md-create test "/dev/sda /dev/sdb" level:raid0
+
+# Create volume group and logical volume on md device
+pvcreate /dev/md127
+vgcreate vg0 /dev/md127
+lvcreate-free lv0 vg0 100
+EOF
+
+# Ensure list-md-devices now returns the newly created md device
+# and lvs returns newly created logical volume.
+output=$(
+guestfish --format=raw -a $disk1 --format=raw -a $disk2 <<EOF
+run
+list-md-devices
+lvs
+EOF
+)
+
+expected="/dev/md127
+/dev/vg0/lv0"
+
+if [ "$output" != "$expected" ]; then
+    echo "$0: error: actual output did not match expected output"
+    echo -e "actual:\n$output"
+    echo -e "expected:\n$expected"
+    exit 1
+fi
+
+# cleanup() is called implicitly which cleans up everything
+exit 0