1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
|
#!/usr/bin/env bash
#
# Live snapshot tests
#
# This tests live snapshots of images on a running QEMU instance, using
# QMP commands. Both single disk snapshots, and transactional group
# snapshots are performed.
#
# Copyright (C) 2014 Red Hat, Inc.
# Copyright (C) 2015 Igalia, S.L.
#
# 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=jcody@redhat.com
seq=`basename $0`
echo "QA output created by $seq"
status=1 # failure is the default!
snapshot_virt0="snapshot-v0.qcow2"
snapshot_virt1="snapshot-v1.qcow2"
SNAPSHOTS=10
_cleanup()
{
_cleanup_qemu
_cleanup_test_img
for i in $(seq 1 ${SNAPSHOTS})
do
_rm_test_img "${TEST_DIR}/${i}-${snapshot_virt0}"
_rm_test_img "${TEST_DIR}/${i}-${snapshot_virt1}"
done
for img in "${TEST_IMG}".{1,2,base}
do
_rm_test_img "$img"
done
}
trap "_cleanup; exit \$status" 0 1 2 3 15
# get standard environment, filters and checks
. ./common.rc
. ./common.filter
. ./common.qemu
_supported_fmt qcow2
_supported_proto file
# ${1}: unique identifier for the snapshot filename
create_single_snapshot()
{
cmd="{ 'execute': 'blockdev-snapshot-sync',
'arguments': { 'device': 'virtio0',
'snapshot-file':'${TEST_DIR}/${1}-${snapshot_virt0}',
'format': 'qcow2' } }"
_send_qemu_cmd $h "${cmd}" "return"
}
# ${1}: unique identifier for the snapshot filename
create_group_snapshot()
{
cmd="{ 'execute': 'transaction', 'arguments':
{'actions': [
{ 'type': 'blockdev-snapshot-sync', 'data' :
{ 'device': 'virtio0',
'snapshot-file': '${TEST_DIR}/${1}-${snapshot_virt0}' } },
{ 'type': 'blockdev-snapshot-sync', 'data' :
{ 'device': 'virtio1',
'snapshot-file': '${TEST_DIR}/${1}-${snapshot_virt1}' } } ]
} }"
_send_qemu_cmd $h "${cmd}" "return"
}
# ${1}: unique identifier for the snapshot filename
# ${2}: extra_params to the blockdev-add command
# ${3}: filename
do_blockdev_add()
{
cmd="{ 'execute': 'blockdev-add', 'arguments':
{ 'driver': 'qcow2', 'node-name': 'snap_${1}', ${2}
'file':
{ 'driver': 'file', 'filename': '${3}',
'node-name': 'file_${1}' } } }"
_send_qemu_cmd $h "${cmd}" "return"
}
# ${1}: unique identifier for the snapshot filename
add_snapshot_image()
{
base_image="${TEST_DIR}/$((${1}-1))-${snapshot_virt0}"
snapshot_file="${TEST_DIR}/${1}-${snapshot_virt0}"
TEST_IMG=$snapshot_file _make_test_img -u -b "${base_image}" -F $IMGFMT "$size"
do_blockdev_add "$1" "'backing': null, " "${snapshot_file}"
}
# ${1}: unique identifier for the snapshot filename
# ${2}: expected response, defaults to 'return'
blockdev_snapshot()
{
cmd="{ 'execute': 'blockdev-snapshot',
'arguments': { 'node': 'virtio0',
'overlay':'snap_${1}' } }"
_send_qemu_cmd $h "${cmd}" "${2:-return}"
}
size=128M
TEST_IMG="$TEST_IMG.1" _make_test_img $size
TEST_IMG="$TEST_IMG.2" _make_test_img $size
echo
echo === Running QEMU ===
echo
qemu_comm_method="qmp"
_launch_qemu -drive file="${TEST_IMG}.1",if=virtio -drive file="${TEST_IMG}.2",if=virtio
h=$QEMU_HANDLE
echo
echo === Sending capabilities ===
echo
_send_qemu_cmd $h "{ 'execute': 'qmp_capabilities' }" "return"
# Tests for the blockdev-snapshot-sync command
echo
echo === Create a single snapshot on virtio0 ===
echo
create_single_snapshot 1
echo
echo === Invalid command - missing device and nodename ===
echo
_send_qemu_cmd $h "{ 'execute': 'blockdev-snapshot-sync',
'arguments': { 'snapshot-file':'${TEST_DIR}/1-${snapshot_virt0}',
'format': 'qcow2' } }" "error"
echo
echo === Invalid command - missing snapshot-file ===
echo
_send_qemu_cmd $h "{ 'execute': 'blockdev-snapshot-sync',
'arguments': { 'device': 'virtio0',
'format': 'qcow2' } }" "error"
echo
echo
echo === Create several transactional group snapshots ===
echo
for i in $(seq 2 ${SNAPSHOTS})
do
create_group_snapshot ${i}
done
# Tests for the blockdev-snapshot command
echo
echo === Create a couple of snapshots using blockdev-snapshot ===
echo
SNAPSHOTS=$((${SNAPSHOTS}+1))
add_snapshot_image ${SNAPSHOTS}
blockdev_snapshot ${SNAPSHOTS}
SNAPSHOTS=$((${SNAPSHOTS}+1))
add_snapshot_image ${SNAPSHOTS}
blockdev_snapshot ${SNAPSHOTS}
echo
echo === Invalid command - cannot create a snapshot using a file BDS ===
echo
_send_qemu_cmd $h "{ 'execute': 'blockdev-snapshot',
'arguments': { 'node':'virtio0',
'overlay':'file_${SNAPSHOTS}' }
}" "error"
echo
echo === Invalid command - snapshot node used as active layer ===
echo
blockdev_snapshot ${SNAPSHOTS} error
_send_qemu_cmd $h "{ 'execute': 'blockdev-snapshot',
'arguments': { 'node':'virtio0',
'overlay':'virtio0' }
}" "error"
_send_qemu_cmd $h "{ 'execute': 'blockdev-snapshot',
'arguments': { 'node':'virtio0',
'overlay':'virtio1' }
}" "error"
echo
echo === Invalid command - snapshot node used as backing hd ===
echo
blockdev_snapshot $((${SNAPSHOTS}-1)) error
echo
echo === Invalid command - snapshot node has a backing image ===
echo
SNAPSHOTS=$((${SNAPSHOTS}+1))
TEST_IMG="$TEST_IMG.base" _make_test_img "$size"
_make_test_img -b "${TEST_IMG}.base" -F $IMGFMT "$size"
do_blockdev_add ${SNAPSHOTS} "" "${TEST_IMG}"
blockdev_snapshot ${SNAPSHOTS} error
echo
echo === Invalid command - The node does not exist ===
echo
blockdev_snapshot $((${SNAPSHOTS}+1)) error
_send_qemu_cmd $h "{ 'execute': 'blockdev-snapshot',
'arguments': { 'node':'nodevice',
'overlay':'snap_${SNAPSHOTS}' }
}" "error"
# success, all done
echo "*** done"
rm -f $seq.full
status=0
|
