aboutsummaryrefslogtreecommitdiff
path: root/tests/qemu-iotests/040
blob: aad535a74b371f34b99f10ee0c9232f35db9eaf9 (plain)
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
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
#!/usr/bin/env python
#
# Tests for image block commit.
#
# Copyright (C) 2012 IBM, Corp.
# Copyright (C) 2012 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/>.
#
# Test for live block commit
# Derived from Image Streaming Test 030

import time
import os
import iotests
from iotests import qemu_img, qemu_io
import struct
import errno

backing_img = os.path.join(iotests.test_dir, 'backing.img')
mid_img = os.path.join(iotests.test_dir, 'mid.img')
test_img = os.path.join(iotests.test_dir, 'test.img')

class ImageCommitTestCase(iotests.QMPTestCase):
    '''Abstract base class for image commit test cases'''

    def assert_no_active_commit(self):
        result = self.vm.qmp('query-block-jobs')
        self.assert_qmp(result, 'return', [])

    def cancel_and_wait(self, drive='drive0'):
        '''Cancel a block job and wait for it to finish'''
        result = self.vm.qmp('block-job-cancel', device=drive)
        self.assert_qmp(result, 'return', {})

        cancelled = False
        while not cancelled:
            for event in self.vm.get_qmp_events(wait=True):
                if event['event'] == 'BLOCK_JOB_CANCELLED':
                    self.assert_qmp(event, 'data/type', 'commit')
                    self.assert_qmp(event, 'data/device', drive)
                    cancelled = True

        self.assert_no_active_commit()

    def create_image(self, name, size):
        file = open(name, 'w')
        i = 0
        while i < size:
            sector = struct.pack('>l504xl', i / 512, i / 512)
            file.write(sector)
            i = i + 512
        file.close()


class TestSingleDrive(ImageCommitTestCase):
    image_len = 1 * 1024 * 1024
    test_len = 1 * 1024 * 256

    def setUp(self):
        self.create_image(backing_img, TestSingleDrive.image_len)
        qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % backing_img, mid_img)
        qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % mid_img, test_img)
        qemu_io('-c', 'write -P 0xab 0 524288', backing_img)
        qemu_io('-c', 'write -P 0xef 524288 524288', mid_img)
        self.vm = iotests.VM().add_drive(test_img)
        self.vm.launch()

    def tearDown(self):
        self.vm.shutdown()
        os.remove(test_img)
        os.remove(mid_img)
        os.remove(backing_img)

    def test_commit(self):
        self.assert_no_active_commit()
        result = self.vm.qmp('block-commit', device='drive0', top='%s' % mid_img)
        self.assert_qmp(result, 'return', {})

        completed = False
        while not completed:
            for event in self.vm.get_qmp_events(wait=True):
                if event['event'] == 'BLOCK_JOB_COMPLETED':
                    self.assert_qmp(event, 'data/type', 'commit')
                    self.assert_qmp(event, 'data/device', 'drive0')
                    self.assert_qmp(event, 'data/offset', self.image_len)
                    self.assert_qmp(event, 'data/len', self.image_len)
                    completed = True

        self.assert_no_active_commit()
        self.vm.shutdown()

        self.assertEqual(-1, qemu_io('-c', 'read -P 0xab 0 524288', backing_img).find("verification failed"))
        self.assertEqual(-1, qemu_io('-c', 'read -P 0xef 524288 524288', backing_img).find("verification failed"))

    def test_device_not_found(self):
        result = self.vm.qmp('block-commit', device='nonexistent', top='%s' % mid_img)
        self.assert_qmp(result, 'error/class', 'DeviceNotFound')

    def test_top_same_base(self):
        self.assert_no_active_commit()
        result = self.vm.qmp('block-commit', device='drive0', top='%s' % backing_img, base='%s' % backing_img)
        self.assert_qmp(result, 'error/class', 'GenericError')
        self.assert_qmp(result, 'error/desc', 'Base \'%s\' not found' % backing_img)

    def test_top_invalid(self):
        self.assert_no_active_commit()
        result = self.vm.qmp('block-commit', device='drive0', top='badfile', base='%s' % backing_img)
        self.assert_qmp(result, 'error/class', 'GenericError')
        self.assert_qmp(result, 'error/desc', 'Top image file badfile not found')

    def test_base_invalid(self):
        self.assert_no_active_commit()
        result = self.vm.qmp('block-commit', device='drive0', top='%s' % mid_img, base='badfile')
        self.assert_qmp(result, 'error/class', 'GenericError')
        self.assert_qmp(result, 'error/desc', 'Base \'badfile\' not found')

    def test_top_is_active(self):
        self.assert_no_active_commit()
        result = self.vm.qmp('block-commit', device='drive0', top='%s' % test_img, base='%s' % backing_img)
        self.assert_qmp(result, 'error/class', 'GenericError')
        self.assert_qmp(result, 'error/desc', 'Top image as the active layer is currently unsupported')

    def test_top_and_base_reversed(self):
        self.assert_no_active_commit()
        result = self.vm.qmp('block-commit', device='drive0', top='%s' % backing_img, base='%s' % mid_img)
        self.assert_qmp(result, 'error/class', 'GenericError')
        self.assert_qmp(result, 'error/desc', 'Base \'%s\' not found' % mid_img)

    def test_top_omitted(self):
        self.assert_no_active_commit()
        result = self.vm.qmp('block-commit', device='drive0')
        self.assert_qmp(result, 'error/class', 'GenericError')
        self.assert_qmp(result, 'error/desc', "Parameter 'top' is missing")

class TestRelativePaths(ImageCommitTestCase):
    image_len = 1 * 1024 * 1024
    test_len = 1 * 1024 * 256

    dir1 = "dir1"
    dir2 = "dir2/"
    dir3 = "dir2/dir3/"

    test_img = os.path.join(iotests.test_dir, dir3, 'test.img')
    mid_img = "../mid.img"
    backing_img = "../dir1/backing.img"

    backing_img_abs = os.path.join(iotests.test_dir, dir1, 'backing.img')
    mid_img_abs = os.path.join(iotests.test_dir, dir2, 'mid.img')

    def setUp(self):
        try:
            os.mkdir(os.path.join(iotests.test_dir, self.dir1))
            os.mkdir(os.path.join(iotests.test_dir, self.dir2))
            os.mkdir(os.path.join(iotests.test_dir, self.dir3))
        except OSError as exception:
            if exception.errno != errno.EEXIST:
                raise
        self.create_image(self.backing_img_abs, TestRelativePaths.image_len)
        qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % self.backing_img_abs, self.mid_img_abs)
        qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % self.mid_img_abs, self.test_img)
        qemu_img('rebase', '-u', '-b', self.backing_img, self.mid_img_abs)
        qemu_img('rebase', '-u', '-b', self.mid_img, self.test_img)
        qemu_io('-c', 'write -P 0xab 0 524288', self.backing_img_abs)
        qemu_io('-c', 'write -P 0xef 524288 524288', self.mid_img_abs)
        self.vm = iotests.VM().add_drive(self.test_img)
        self.vm.launch()

    def tearDown(self):
        self.vm.shutdown()
        os.remove(self.test_img)
        os.remove(self.mid_img_abs)
        os.remove(self.backing_img_abs)
        try:
            os.rmdir(os.path.join(iotests.test_dir, self.dir1))
            os.rmdir(os.path.join(iotests.test_dir, self.dir3))
            os.rmdir(os.path.join(iotests.test_dir, self.dir2))
        except OSError as exception:
            if exception.errno != errno.EEXIST and exception.errno != errno.ENOTEMPTY:
                raise

    def test_commit(self):
        self.assert_no_active_commit()
        result = self.vm.qmp('block-commit', device='drive0', top='%s' % self.mid_img)
        self.assert_qmp(result, 'return', {})

        completed = False
        while not completed:
            for event in self.vm.get_qmp_events(wait=True):
                if event['event'] == 'BLOCK_JOB_COMPLETED':
                    self.assert_qmp(event, 'data/type', 'commit')
                    self.assert_qmp(event, 'data/device', 'drive0')
                    self.assert_qmp(event, 'data/offset', self.image_len)
                    self.assert_qmp(event, 'data/len', self.image_len)
                    completed = True

        self.assert_no_active_commit()
        self.vm.shutdown()

        self.assertEqual(-1, qemu_io('-c', 'read -P 0xab 0 524288', self.backing_img_abs).find("verification failed"))
        self.assertEqual(-1, qemu_io('-c', 'read -P 0xef 524288 524288', self.backing_img_abs).find("verification failed"))

    def test_device_not_found(self):
        result = self.vm.qmp('block-commit', device='nonexistent', top='%s' % self.mid_img)
        self.assert_qmp(result, 'error/class', 'DeviceNotFound')

    def test_top_same_base(self):
        self.assert_no_active_commit()
        result = self.vm.qmp('block-commit', device='drive0', top='%s' % self.mid_img, base='%s' % self.mid_img)
        self.assert_qmp(result, 'error/class', 'GenericError')
        self.assert_qmp(result, 'error/desc', 'Base \'%s\' not found' % self.mid_img)

    def test_top_invalid(self):
        self.assert_no_active_commit()
        result = self.vm.qmp('block-commit', device='drive0', top='badfile', base='%s' % self.backing_img)
        self.assert_qmp(result, 'error/class', 'GenericError')
        self.assert_qmp(result, 'error/desc', 'Top image file badfile not found')

    def test_base_invalid(self):
        self.assert_no_active_commit()
        result = self.vm.qmp('block-commit', device='drive0', top='%s' % self.mid_img, base='badfile')
        self.assert_qmp(result, 'error/class', 'GenericError')
        self.assert_qmp(result, 'error/desc', 'Base \'badfile\' not found')

    def test_top_is_active(self):
        self.assert_no_active_commit()
        result = self.vm.qmp('block-commit', device='drive0', top='%s' % self.test_img, base='%s' % self.backing_img)
        self.assert_qmp(result, 'error/class', 'GenericError')
        self.assert_qmp(result, 'error/desc', 'Top image as the active layer is currently unsupported')

    def test_top_and_base_reversed(self):
        self.assert_no_active_commit()
        result = self.vm.qmp('block-commit', device='drive0', top='%s' % self.backing_img, base='%s' % self.mid_img)
        self.assert_qmp(result, 'error/class', 'GenericError')
        self.assert_qmp(result, 'error/desc', 'Base \'%s\' not found' % self.mid_img)


class TestSetSpeed(ImageCommitTestCase):
    image_len = 80 * 1024 * 1024 # MB

    def setUp(self):
        qemu_img('create', backing_img, str(TestSetSpeed.image_len))
        qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % backing_img, mid_img)
        qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % mid_img, test_img)
        self.vm = iotests.VM().add_drive(test_img)
        self.vm.launch()

    def tearDown(self):
        self.vm.shutdown()
        os.remove(test_img)
        os.remove(mid_img)
        os.remove(backing_img)

    def test_set_speed(self):
        self.assert_no_active_commit()

        result = self.vm.qmp('block-commit', device='drive0', top=mid_img, speed=1024 * 1024)
        self.assert_qmp(result, 'return', {})

        # Ensure the speed we set was accepted
        result = self.vm.qmp('query-block-jobs')
        self.assert_qmp(result, 'return[0]/device', 'drive0')
        self.assert_qmp(result, 'return[0]/speed', 1024 * 1024)

        self.cancel_and_wait()


if __name__ == '__main__':
    iotests.main(supported_fmts=['qcow2', 'qed'])