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
|
#!/usr/bin/env python3
# group: rw auto quick
#
# Test case for ejecting BDSs with block jobs still running on them
#
# Originally written in bash by Hanna Czenczek, ported to Python by Stefan
# Hajnoczi.
#
# Copyright Red Hat
#
# 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/>.
#
import iotests
# Common filters to mask values that vary in the test output
QMP_FILTERS = [iotests.filter_qmp_testfiles, \
iotests.filter_qmp_imgfmt]
class TestCase:
def __init__(self, name, vm, image_path, cancel_event):
self.name = name
self.vm = vm
self.image_path = image_path
self.cancel_event = cancel_event
def __enter__(self):
iotests.log(f'=== Testing {self.name} ===')
self.vm.qmp_log('blockdev-add', \
node_name='drv0', \
driver=iotests.imgfmt, \
file={'driver': 'file', 'filename': self.image_path}, \
filters=QMP_FILTERS)
def __exit__(self, *exc_details):
# This is expected to fail because the job still exists
self.vm.qmp_log('blockdev-del', node_name='drv0', \
filters=[iotests.filter_qmp_generated_node_ids])
self.vm.qmp_log('block-job-cancel', device='job0')
event = self.vm.event_wait(self.cancel_event)
iotests.log(event, filters=[iotests.filter_qmp_event])
# This time it succeeds
self.vm.qmp_log('blockdev-del', node_name='drv0')
# Separate test cases in output
iotests.log('')
def main() -> None:
with iotests.FilePath('bottom', 'middle', 'top', 'target') as \
(bottom_path, middle_path, top_path, target_path), \
iotests.VM() as vm:
iotests.log('Creating bottom <- middle <- top backing file chain...')
IMAGE_SIZE='1M'
iotests.qemu_img_create('-f', iotests.imgfmt, bottom_path, IMAGE_SIZE)
iotests.qemu_img_create('-f', iotests.imgfmt, \
'-F', iotests.imgfmt, \
'-b', bottom_path, \
middle_path, \
IMAGE_SIZE)
iotests.qemu_img_create('-f', iotests.imgfmt, \
'-F', iotests.imgfmt, \
'-b', middle_path, \
top_path, \
IMAGE_SIZE)
iotests.log('Starting VM...')
vm.add_args('-nodefaults')
vm.launch()
# drive-backup will not send BLOCK_JOB_READY by itself, and cancelling
# the job will consequently result in BLOCK_JOB_CANCELLED being
# emitted.
with TestCase('drive-backup', vm, top_path, 'BLOCK_JOB_CANCELLED'):
vm.qmp_log('drive-backup', \
job_id='job0', \
device='drv0', \
target=target_path, \
format=iotests.imgfmt, \
sync='none', \
filters=QMP_FILTERS)
# drive-mirror will send BLOCK_JOB_READY basically immediately, and
# cancelling the job will consequently result in BLOCK_JOB_COMPLETED
# being emitted.
with TestCase('drive-mirror', vm, top_path, 'BLOCK_JOB_COMPLETED'):
vm.qmp_log('drive-mirror', \
job_id='job0', \
device='drv0', \
target=target_path, \
format=iotests.imgfmt, \
sync='none', \
filters=QMP_FILTERS)
event = vm.event_wait('BLOCK_JOB_READY')
assert event is not None # silence mypy
iotests.log(event, filters=[iotests.filter_qmp_event])
# An active block-commit will send BLOCK_JOB_READY basically
# immediately, and cancelling the job will consequently result in
# BLOCK_JOB_COMPLETED being emitted.
with TestCase('active block-commit', vm, top_path, \
'BLOCK_JOB_COMPLETED'):
vm.qmp_log('block-commit', \
job_id='job0', \
device='drv0')
event = vm.event_wait('BLOCK_JOB_READY')
assert event is not None # silence mypy
iotests.log(event, filters=[iotests.filter_qmp_event])
# Give block-commit something to work on, otherwise it would be done
# immediately, send a BLOCK_JOB_COMPLETED and ejecting the BDS would
# work just fine without the block job still running.
iotests.qemu_io(middle_path, '-c', f'write 0 {IMAGE_SIZE}')
with TestCase('non-active block-commit', vm, top_path, \
'BLOCK_JOB_CANCELLED'):
vm.qmp_log('block-commit', \
job_id='job0', \
device='drv0', \
top=middle_path, \
speed=1, \
filters=[iotests.filter_qmp_testfiles])
# Give block-stream something to work on, otherwise it would be done
# immediately, send a BLOCK_JOB_COMPLETED and ejecting the BDS would
# work just fine without the block job still running.
iotests.qemu_io(bottom_path, '-c', f'write 0 {IMAGE_SIZE}')
with TestCase('block-stream', vm, top_path, 'BLOCK_JOB_CANCELLED'):
vm.qmp_log('block-stream', \
job_id='job0', \
device='drv0', \
speed=1)
if __name__ == '__main__':
iotests.script_main(main, supported_fmts=['qcow2', 'qed'],
supported_protocols=['file'])
|
