qemu-iotests: Test for loading VM state from qcow2

#!/bin/bash

#

# Test case for loading a saved VM state from a qcow2 image

#

# Copyright (C) 2013 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, see <http://www.gnu.org/licenses/>.

#

# creator

owner=mreitz@redhat.com

seq="$(basename $0)"

echo "QA output created by $seq"

here="$PWD"

tmp=/tmp/$$

status=1	# failure is the default!

_cleanup()

{

	_cleanup_test_img

}

trap "_cleanup; exit \$status" 0 1 2 3 15

# get standard environment, filters and checks

. ./common.rc

. ./common.filter

# This tests qocw2-specific low-level functionality

_supported_fmt qcow2

_supported_proto generic

_supported_os Linux

IMGOPTS="compat=1.1"

IMG_SIZE=128K

echo

echo "=== Saving and reloading a VM state to/from a qcow2 image ==="

echo

_make_test_img $IMG_SIZE

# Give qemu some time to boot before saving the VM state

bash -c 'sleep 1; echo -e "savevm 0\nquit"' |\

    $QEMU -nographic -monitor stdio -serial none -hda "$TEST_IMG" |\

    _filter_qemu

# Now try to continue from that VM state (this should just work)

echo quit |\

    $QEMU -nographic -monitor stdio -serial none -hda "$TEST_IMG" -loadvm 0 |\

    _filter_qemu

# success, all done

echo "*** done"

rm -f $seq.full

status=0

QA output created by 068

=== Saving and reloading a VM state to/from a qcow2 image ===

Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=131072 

QEMU X.Y.Z monitor - type 'help' for more information

(qemu) ssasavsavesavevsavevmsavevm savevm 0

(qemu) qququiquit

QEMU X.Y.Z monitor - type 'help' for more information

(qemu) qququiquit

*** done

065 rw auto

066 rw auto

067 rw auto

068 rw auto