#!/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

case "$QEMU_DEFAULT_MACHINE" in
  s390-ccw-virtio)
      platform_parm="-no-shutdown -machine accel=kvm"
      ;;
  *)
      platform_parm=""
      ;;
esac

# Give qemu some time to boot before saving the VM state
bash -c 'sleep 1; echo -e "savevm 0\nquit"' |\
    $QEMU $platform_parm -nographic -monitor stdio -serial none -hda "$TEST_IMG" |\
    _filter_qemu
# Now try to continue from that VM state (this should just work)
echo quit |\
    $QEMU $platform_parm -nographic -monitor stdio -serial none -hda "$TEST_IMG" -loadvm 0 |\
    _filter_qemu

# success, all done
echo "*** done"
rm -f $seq.full
status=0