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747051cd JC |
1 | #!/usr/bin/env python |
2 | # | |
3 | # Tests for image block commit. | |
4 | # | |
5 | # Copyright (C) 2012 IBM, Corp. | |
6 | # Copyright (C) 2012 Red Hat, Inc. | |
7 | # | |
8 | # This program is free software; you can redistribute it and/or modify | |
9 | # it under the terms of the GNU General Public License as published by | |
10 | # the Free Software Foundation; either version 2 of the License, or | |
11 | # (at your option) any later version. | |
12 | # | |
13 | # This program is distributed in the hope that it will be useful, | |
14 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | # GNU General Public License for more details. | |
17 | # | |
18 | # You should have received a copy of the GNU General Public License | |
19 | # along with this program. If not, see <http://www.gnu.org/licenses/>. | |
20 | # | |
21 | # Test for live block commit | |
22 | # Derived from Image Streaming Test 030 | |
23 | ||
24 | import time | |
25 | import os | |
26 | import iotests | |
27 | from iotests import qemu_img, qemu_io | |
28 | import struct | |
6bf0d1f4 | 29 | import errno |
747051cd JC |
30 | |
31 | backing_img = os.path.join(iotests.test_dir, 'backing.img') | |
32 | mid_img = os.path.join(iotests.test_dir, 'mid.img') | |
33 | test_img = os.path.join(iotests.test_dir, 'test.img') | |
34 | ||
35 | class ImageCommitTestCase(iotests.QMPTestCase): | |
36 | '''Abstract base class for image commit test cases''' | |
37 | ||
38 | def assert_no_active_commit(self): | |
39 | result = self.vm.qmp('query-block-jobs') | |
40 | self.assert_qmp(result, 'return', []) | |
41 | ||
4de43470 FZ |
42 | def run_commit_test(self, top, base): |
43 | self.assert_no_active_commit() | |
44 | result = self.vm.qmp('block-commit', device='drive0', top=top, base=base) | |
45 | self.assert_qmp(result, 'return', {}) | |
46 | ||
47 | completed = False | |
48 | while not completed: | |
49 | for event in self.vm.get_qmp_events(wait=True): | |
50 | if event['event'] == 'BLOCK_JOB_COMPLETED': | |
51 | self.assert_qmp(event, 'data/type', 'commit') | |
52 | self.assert_qmp(event, 'data/device', 'drive0') | |
53 | self.assert_qmp(event, 'data/offset', self.image_len) | |
54 | self.assert_qmp(event, 'data/len', self.image_len) | |
55 | completed = True | |
56 | elif event['event'] == 'BLOCK_JOB_READY': | |
57 | self.assert_qmp(event, 'data/type', 'commit') | |
58 | self.assert_qmp(event, 'data/device', 'drive0') | |
59 | self.assert_qmp(event, 'data/len', self.image_len) | |
60 | self.vm.qmp('block-job-complete', device='drive0') | |
61 | ||
62 | self.assert_no_active_commit() | |
63 | self.vm.shutdown() | |
64 | ||
747051cd JC |
65 | class TestSingleDrive(ImageCommitTestCase): |
66 | image_len = 1 * 1024 * 1024 | |
67 | test_len = 1 * 1024 * 256 | |
68 | ||
69 | def setUp(self): | |
915365a9 | 70 | iotests.create_image(backing_img, TestSingleDrive.image_len) |
747051cd JC |
71 | qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % backing_img, mid_img) |
72 | qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % mid_img, test_img) | |
73 | qemu_io('-c', 'write -P 0xab 0 524288', backing_img) | |
74 | qemu_io('-c', 'write -P 0xef 524288 524288', mid_img) | |
75 | self.vm = iotests.VM().add_drive(test_img) | |
76 | self.vm.launch() | |
77 | ||
78 | def tearDown(self): | |
79 | self.vm.shutdown() | |
80 | os.remove(test_img) | |
81 | os.remove(mid_img) | |
82 | os.remove(backing_img) | |
83 | ||
84 | def test_commit(self): | |
4de43470 | 85 | self.run_commit_test(mid_img, backing_img) |
747051cd JC |
86 | self.assertEqual(-1, qemu_io('-c', 'read -P 0xab 0 524288', backing_img).find("verification failed")) |
87 | self.assertEqual(-1, qemu_io('-c', 'read -P 0xef 524288 524288', backing_img).find("verification failed")) | |
88 | ||
89 | def test_device_not_found(self): | |
90 | result = self.vm.qmp('block-commit', device='nonexistent', top='%s' % mid_img) | |
91 | self.assert_qmp(result, 'error/class', 'DeviceNotFound') | |
92 | ||
93 | def test_top_same_base(self): | |
94 | self.assert_no_active_commit() | |
95 | result = self.vm.qmp('block-commit', device='drive0', top='%s' % backing_img, base='%s' % backing_img) | |
96 | self.assert_qmp(result, 'error/class', 'GenericError') | |
d5208c45 | 97 | self.assert_qmp(result, 'error/desc', 'Base \'%s\' not found' % backing_img) |
747051cd JC |
98 | |
99 | def test_top_invalid(self): | |
100 | self.assert_no_active_commit() | |
101 | result = self.vm.qmp('block-commit', device='drive0', top='badfile', base='%s' % backing_img) | |
102 | self.assert_qmp(result, 'error/class', 'GenericError') | |
103 | self.assert_qmp(result, 'error/desc', 'Top image file badfile not found') | |
104 | ||
105 | def test_base_invalid(self): | |
106 | self.assert_no_active_commit() | |
107 | result = self.vm.qmp('block-commit', device='drive0', top='%s' % mid_img, base='badfile') | |
108 | self.assert_qmp(result, 'error/class', 'GenericError') | |
109 | self.assert_qmp(result, 'error/desc', 'Base \'badfile\' not found') | |
110 | ||
111 | def test_top_is_active(self): | |
4de43470 FZ |
112 | self.run_commit_test(test_img, backing_img) |
113 | self.assertEqual(-1, qemu_io('-c', 'read -P 0xab 0 524288', backing_img).find("verification failed")) | |
114 | self.assertEqual(-1, qemu_io('-c', 'read -P 0xef 524288 524288', backing_img).find("verification failed")) | |
747051cd JC |
115 | |
116 | def test_top_and_base_reversed(self): | |
117 | self.assert_no_active_commit() | |
118 | result = self.vm.qmp('block-commit', device='drive0', top='%s' % backing_img, base='%s' % mid_img) | |
119 | self.assert_qmp(result, 'error/class', 'GenericError') | |
d5208c45 | 120 | self.assert_qmp(result, 'error/desc', 'Base \'%s\' not found' % mid_img) |
747051cd JC |
121 | |
122 | def test_top_omitted(self): | |
123 | self.assert_no_active_commit() | |
124 | result = self.vm.qmp('block-commit', device='drive0') | |
125 | self.assert_qmp(result, 'error/class', 'GenericError') | |
126 | self.assert_qmp(result, 'error/desc', "Parameter 'top' is missing") | |
127 | ||
6bf0d1f4 JC |
128 | class TestRelativePaths(ImageCommitTestCase): |
129 | image_len = 1 * 1024 * 1024 | |
130 | test_len = 1 * 1024 * 256 | |
131 | ||
132 | dir1 = "dir1" | |
133 | dir2 = "dir2/" | |
134 | dir3 = "dir2/dir3/" | |
135 | ||
136 | test_img = os.path.join(iotests.test_dir, dir3, 'test.img') | |
137 | mid_img = "../mid.img" | |
138 | backing_img = "../dir1/backing.img" | |
139 | ||
140 | backing_img_abs = os.path.join(iotests.test_dir, dir1, 'backing.img') | |
141 | mid_img_abs = os.path.join(iotests.test_dir, dir2, 'mid.img') | |
142 | ||
143 | def setUp(self): | |
144 | try: | |
145 | os.mkdir(os.path.join(iotests.test_dir, self.dir1)) | |
146 | os.mkdir(os.path.join(iotests.test_dir, self.dir2)) | |
147 | os.mkdir(os.path.join(iotests.test_dir, self.dir3)) | |
148 | except OSError as exception: | |
149 | if exception.errno != errno.EEXIST: | |
150 | raise | |
915365a9 | 151 | iotests.create_image(self.backing_img_abs, TestRelativePaths.image_len) |
6bf0d1f4 JC |
152 | qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % self.backing_img_abs, self.mid_img_abs) |
153 | qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % self.mid_img_abs, self.test_img) | |
154 | qemu_img('rebase', '-u', '-b', self.backing_img, self.mid_img_abs) | |
155 | qemu_img('rebase', '-u', '-b', self.mid_img, self.test_img) | |
156 | qemu_io('-c', 'write -P 0xab 0 524288', self.backing_img_abs) | |
157 | qemu_io('-c', 'write -P 0xef 524288 524288', self.mid_img_abs) | |
158 | self.vm = iotests.VM().add_drive(self.test_img) | |
159 | self.vm.launch() | |
160 | ||
161 | def tearDown(self): | |
162 | self.vm.shutdown() | |
163 | os.remove(self.test_img) | |
164 | os.remove(self.mid_img_abs) | |
165 | os.remove(self.backing_img_abs) | |
166 | try: | |
167 | os.rmdir(os.path.join(iotests.test_dir, self.dir1)) | |
168 | os.rmdir(os.path.join(iotests.test_dir, self.dir3)) | |
169 | os.rmdir(os.path.join(iotests.test_dir, self.dir2)) | |
170 | except OSError as exception: | |
171 | if exception.errno != errno.EEXIST and exception.errno != errno.ENOTEMPTY: | |
172 | raise | |
173 | ||
174 | def test_commit(self): | |
4de43470 | 175 | self.run_commit_test(self.mid_img, self.backing_img) |
6bf0d1f4 JC |
176 | self.assertEqual(-1, qemu_io('-c', 'read -P 0xab 0 524288', self.backing_img_abs).find("verification failed")) |
177 | self.assertEqual(-1, qemu_io('-c', 'read -P 0xef 524288 524288', self.backing_img_abs).find("verification failed")) | |
178 | ||
179 | def test_device_not_found(self): | |
180 | result = self.vm.qmp('block-commit', device='nonexistent', top='%s' % self.mid_img) | |
181 | self.assert_qmp(result, 'error/class', 'DeviceNotFound') | |
182 | ||
183 | def test_top_same_base(self): | |
184 | self.assert_no_active_commit() | |
185 | result = self.vm.qmp('block-commit', device='drive0', top='%s' % self.mid_img, base='%s' % self.mid_img) | |
186 | self.assert_qmp(result, 'error/class', 'GenericError') | |
187 | self.assert_qmp(result, 'error/desc', 'Base \'%s\' not found' % self.mid_img) | |
188 | ||
189 | def test_top_invalid(self): | |
190 | self.assert_no_active_commit() | |
191 | result = self.vm.qmp('block-commit', device='drive0', top='badfile', base='%s' % self.backing_img) | |
192 | self.assert_qmp(result, 'error/class', 'GenericError') | |
193 | self.assert_qmp(result, 'error/desc', 'Top image file badfile not found') | |
194 | ||
195 | def test_base_invalid(self): | |
196 | self.assert_no_active_commit() | |
197 | result = self.vm.qmp('block-commit', device='drive0', top='%s' % self.mid_img, base='badfile') | |
198 | self.assert_qmp(result, 'error/class', 'GenericError') | |
199 | self.assert_qmp(result, 'error/desc', 'Base \'badfile\' not found') | |
200 | ||
201 | def test_top_is_active(self): | |
4de43470 FZ |
202 | self.run_commit_test(self.test_img, self.backing_img) |
203 | self.assertEqual(-1, qemu_io('-c', 'read -P 0xab 0 524288', self.backing_img_abs).find("verification failed")) | |
204 | self.assertEqual(-1, qemu_io('-c', 'read -P 0xef 524288 524288', self.backing_img_abs).find("verification failed")) | |
6bf0d1f4 JC |
205 | |
206 | def test_top_and_base_reversed(self): | |
207 | self.assert_no_active_commit() | |
208 | result = self.vm.qmp('block-commit', device='drive0', top='%s' % self.backing_img, base='%s' % self.mid_img) | |
209 | self.assert_qmp(result, 'error/class', 'GenericError') | |
210 | self.assert_qmp(result, 'error/desc', 'Base \'%s\' not found' % self.mid_img) | |
211 | ||
747051cd JC |
212 | |
213 | class TestSetSpeed(ImageCommitTestCase): | |
214 | image_len = 80 * 1024 * 1024 # MB | |
215 | ||
216 | def setUp(self): | |
217 | qemu_img('create', backing_img, str(TestSetSpeed.image_len)) | |
218 | qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % backing_img, mid_img) | |
219 | qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % mid_img, test_img) | |
b59b3d57 | 220 | qemu_io('-c', 'write -P 0x1 0 512', test_img) |
4de43470 | 221 | qemu_io('-c', 'write -P 0xef 524288 524288', mid_img) |
747051cd JC |
222 | self.vm = iotests.VM().add_drive(test_img) |
223 | self.vm.launch() | |
224 | ||
225 | def tearDown(self): | |
226 | self.vm.shutdown() | |
227 | os.remove(test_img) | |
228 | os.remove(mid_img) | |
229 | os.remove(backing_img) | |
230 | ||
231 | def test_set_speed(self): | |
232 | self.assert_no_active_commit() | |
233 | ||
b59b3d57 | 234 | self.vm.pause_drive('drive0') |
747051cd JC |
235 | result = self.vm.qmp('block-commit', device='drive0', top=mid_img, speed=1024 * 1024) |
236 | self.assert_qmp(result, 'return', {}) | |
237 | ||
238 | # Ensure the speed we set was accepted | |
239 | result = self.vm.qmp('query-block-jobs') | |
240 | self.assert_qmp(result, 'return[0]/device', 'drive0') | |
241 | self.assert_qmp(result, 'return[0]/speed', 1024 * 1024) | |
242 | ||
b59b3d57 | 243 | self.cancel_and_wait(resume=True) |
747051cd JC |
244 | |
245 | ||
246 | if __name__ == '__main__': | |
247 | iotests.main(supported_fmts=['qcow2', 'qed']) |