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#!/usr/bin/env bash
#
# Test old-style block migration (migrate -b)
#
# Copyright (C) 2017 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=kwolf@redhat.com
seq=`basename $0`
echo "QA output created by $seq"
status=1 # failure is the default!
MIG_SOCKET="${SOCK_DIR}/migrate"
_cleanup()
{
rm -f "${MIG_SOCKET}"
_rm_test_img "${TEST_IMG}.dest"
_cleanup_test_img
_cleanup_qemu
}
trap "_cleanup; exit \$status" 0 1 2 3 15
# get standard environment, filters and checks
. ./common.rc
. ./common.filter
. ./common.qemu
_supported_os Linux FreeBSD NetBSD
_supported_fmt qcow2 raw qed quorum
_supported_proto file fuse
size=64M
_make_test_img $size
TEST_IMG="${TEST_IMG}.dest" _make_test_img $size
echo
echo === Starting VMs ===
echo
qemu_comm_method="qmp"
_launch_qemu \
-drive file="${TEST_IMG}",cache=$CACHEMODE,aio=$AIOMODE,driver=$IMGFMT,id=disk
src=$QEMU_HANDLE
_send_qemu_cmd $src "{ 'execute': 'qmp_capabilities' }" 'return'
_launch_qemu \
-drive file="${TEST_IMG}.dest",cache=$CACHEMODE,aio=$AIOMODE,driver=$IMGFMT,id=disk \
-incoming "unix:${MIG_SOCKET}"
dest=$QEMU_HANDLE
_send_qemu_cmd $dest "{ 'execute': 'qmp_capabilities' }" 'return'
echo
echo === Write something on the source ===
echo
_send_qemu_cmd $src \
"{ 'execute': 'human-monitor-command',
'arguments': { 'command-line':
'qemu-io disk \"write -P 0x55 0 64k\"' } }" \
'return'
_send_qemu_cmd $src \
"{ 'execute': 'human-monitor-command',
'arguments': { 'command-line':
'qemu-io disk \"read -P 0x55 0 64k\"' } }" \
'return'
echo
echo === Do block migration to destination ===
echo
reply="$(_send_qemu_cmd $src \
"{ 'execute': 'migrate',
'arguments': { 'uri': 'unix:${MIG_SOCKET}', 'blk': true } }" \
'return\|error')"
echo "$reply"
if echo "$reply" | grep "compiled without old-style" > /dev/null; then
_notrun "migrate -b support not compiled in"
fi
timeout_comm=$QEMU_COMM_TIMEOUT
if [ "${VALGRIND_QEMU}" == "y" ]; then
QEMU_COMM_TIMEOUT=4
else
QEMU_COMM_TIMEOUT=0.1
fi
qemu_cmd_repeat=50 silent=yes \
_send_qemu_cmd $src "{ 'execute': 'query-migrate' }" '"status": "completed"'
QEMU_COMM_TIMEOUT=$timeout_comm
_send_qemu_cmd $src "{ 'execute': 'query-status' }" "return"
echo
echo === Do some I/O on the destination ===
echo
# It is important that we use the BlockBackend of the guest device here instead
# of the node name, which would create a new BlockBackend and not test whether
# the guest has the necessary permissions to access the image now
silent=yes _send_qemu_cmd $dest "" "100 %"
_send_qemu_cmd $dest "{ 'execute': 'query-status' }" "return"
_send_qemu_cmd $dest \
"{ 'execute': 'human-monitor-command',
'arguments': { 'command-line':
'qemu-io disk \"read -P 0x55 0 64k\"' } }" \
'return'
_send_qemu_cmd $dest \
"{ 'execute': 'human-monitor-command',
'arguments': { 'command-line':
'qemu-io disk \"write -P 0x66 1M 64k\"' } }" \
'return'
echo
echo === Shut down and check image ===
echo
_send_qemu_cmd $src '{"execute":"quit"}' 'return'
_send_qemu_cmd $dest '{"execute":"quit"}' 'return'
wait=1 _cleanup_qemu
_check_test_img
TEST_IMG="${TEST_IMG}.dest" _check_test_img
$QEMU_IO -c 'write -P 0x66 1M 64k' "$TEST_IMG" | _filter_qemu_io
$QEMU_IMG compare "$TEST_IMG.dest" "$TEST_IMG"
# success, all done
echo "*** done"
rm -f $seq.full
status=0
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