1#!/usr/bin/env bash
2#
3# Test case for mirroring with dataplane
4#
5# Copyright (C) 2017 Red Hat, Inc.
6#
7# This program is free software; you can redistribute it and/or modify
8# it under the terms of the GNU General Public License as published by
9# the Free Software Foundation; either version 2 of the License, or
10# (at your option) any later version.
11#
12# This program is distributed in the hope that it will be useful,
13# but WITHOUT ANY WARRANTY; without even the implied warranty of
14# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15# GNU General Public License for more details.
16#
17# You should have received a copy of the GNU General Public License
18# along with this program.  If not, see <http://www.gnu.org/licenses/>.
19#
20
21# creator
22owner=mreitz@redhat.com
23
24seq=$(basename $0)
25echo "QA output created by $seq"
26
27status=1    # failure is the default!
28
29_cleanup()
30{
31    _cleanup_qemu
32    _cleanup_test_img
33    _rm_test_img "$TEST_IMG.overlay0"
34    _rm_test_img "$TEST_IMG.overlay1"
35}
36trap "_cleanup; exit \$status" 0 1 2 3 15
37
38# get standard environment, filters and qemu instance handling
39. ./common.rc
40. ./common.filter
41. ./common.qemu
42
43_supported_fmt qcow2
44_supported_proto file
45
46_require_devices virtio-scsi scsi-hd
47
48IMG_SIZE=64K
49
50_make_test_img $IMG_SIZE
51TEST_IMG="$TEST_IMG.overlay0" _make_test_img -b "$TEST_IMG" -F $IMGFMT $IMG_SIZE
52TEST_IMG="$TEST_IMG.overlay1" _make_test_img -b "$TEST_IMG" -F $IMGFMT $IMG_SIZE
53
54# So that we actually have something to mirror and the job does not return
55# immediately (which may be bad because then we cannot know whether the
56# 'return' or the 'BLOCK_JOB_READY' comes first).
57$QEMU_IO -c 'write 0 42' "$TEST_IMG.overlay0" | _filter_qemu_io
58
59# We cannot use virtio-blk here because that does not actually set the attached
60# BB's AioContext in qtest mode
61_launch_qemu \
62    -object iothread,id=iothr \
63    -blockdev node-name=source,driver=$IMGFMT,file.driver=file,file.filename="$TEST_IMG.overlay0" \
64    -device virtio-scsi,id=scsi-bus,iothread=iothr \
65    -device scsi-hd,bus=scsi-bus.0,drive=source
66
67_send_qemu_cmd $QEMU_HANDLE \
68    "{ 'execute': 'qmp_capabilities' }" \
69    'return'
70
71_send_qemu_cmd $QEMU_HANDLE \
72    "{ 'execute': 'drive-mirror',
73       'arguments': {
74           'job-id': 'mirror',
75           'device': 'source',
76           'target': '$TEST_IMG.overlay1',
77           'mode':   'existing',
78           'sync':   'top'
79       } }" \
80    'BLOCK_JOB_READY'
81
82# The backing BDS should be assigned the overlay's AioContext
83_send_qemu_cmd $QEMU_HANDLE \
84    "{ 'execute': 'block-job-complete',
85       'arguments': { 'device': 'mirror' } }" \
86    'BLOCK_JOB_COMPLETED'
87
88_send_qemu_cmd $QEMU_HANDLE \
89    "{ 'execute': 'quit' }" \
90    'return'
91
92wait=yes _cleanup_qemu
93
94# success, all done
95echo '*** done'
96rm -f $seq.full
97status=0
98