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#!/usr/bin/env python |
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# |
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# Tests for image block commit. |
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# |
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# Copyright (C) 2012 IBM, Corp. |
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# Copyright (C) 2012 Red Hat, Inc. |
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# |
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# This program is free software; you can redistribute it and/or modify |
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# it under the terms of the GNU General Public License as published by |
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# the Free Software Foundation; either version 2 of the License, or |
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# (at your option) any later version. |
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# |
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# This program is distributed in the hope that it will be useful, |
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# but WITHOUT ANY WARRANTY; without even the implied warranty of |
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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# GNU General Public License for more details. |
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# |
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# You should have received a copy of the GNU General Public License |
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# along with this program. If not, see <http://www.gnu.org/licenses/>. |
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# |
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# Test for live block commit |
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# Derived from Image Streaming Test 030 |
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|
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import time |
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import os |
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import iotests |
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from iotests import qemu_img, qemu_io |
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import struct |
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import errno |
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|
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backing_img = os.path.join(iotests.test_dir, 'backing.img') |
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mid_img = os.path.join(iotests.test_dir, 'mid.img') |
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test_img = os.path.join(iotests.test_dir, 'test.img') |
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|
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class ImageCommitTestCase(iotests.QMPTestCase): |
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'''Abstract base class for image commit test cases''' |
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|
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def assert_no_active_commit(self): |
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result = self.vm.qmp('query-block-jobs') |
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self.assert_qmp(result, 'return', []) |
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|
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def cancel_and_wait(self, drive='drive0'): |
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'''Cancel a block job and wait for it to finish''' |
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result = self.vm.qmp('block-job-cancel', device=drive) |
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self.assert_qmp(result, 'return', {}) |
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|
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cancelled = False |
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while not cancelled: |
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for event in self.vm.get_qmp_events(wait=True): |
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if event['event'] == 'BLOCK_JOB_CANCELLED': |
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self.assert_qmp(event, 'data/type', 'commit') |
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self.assert_qmp(event, 'data/device', drive) |
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cancelled = True |
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|
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self.assert_no_active_commit() |
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|
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class TestSingleDrive(ImageCommitTestCase): |
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image_len = 1 * 1024 * 1024 |
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test_len = 1 * 1024 * 256 |
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|
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def setUp(self): |
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iotests.create_image(backing_img, TestSingleDrive.image_len) |
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qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % backing_img, mid_img) |
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qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % mid_img, test_img) |
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qemu_io('-c', 'write -P 0xab 0 524288', backing_img) |
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qemu_io('-c', 'write -P 0xef 524288 524288', mid_img) |
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self.vm = iotests.VM().add_drive(test_img) |
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self.vm.launch() |
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|
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def tearDown(self): |
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self.vm.shutdown() |
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os.remove(test_img) |
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os.remove(mid_img) |
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os.remove(backing_img) |
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|
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def test_commit(self): |
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self.assert_no_active_commit() |
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result = self.vm.qmp('block-commit', device='drive0', top='%s' % mid_img) |
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self.assert_qmp(result, 'return', {}) |
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|
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completed = False |
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while not completed: |
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for event in self.vm.get_qmp_events(wait=True): |
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if event['event'] == 'BLOCK_JOB_COMPLETED': |
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self.assert_qmp(event, 'data/type', 'commit') |
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self.assert_qmp(event, 'data/device', 'drive0') |
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self.assert_qmp(event, 'data/offset', self.image_len) |
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self.assert_qmp(event, 'data/len', self.image_len) |
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completed = True |
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|
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self.assert_no_active_commit() |
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self.vm.shutdown() |
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|
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self.assertEqual(-1, qemu_io('-c', 'read -P 0xab 0 524288', backing_img).find("verification failed")) |
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self.assertEqual(-1, qemu_io('-c', 'read -P 0xef 524288 524288', backing_img).find("verification failed")) |
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|
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def test_device_not_found(self): |
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result = self.vm.qmp('block-commit', device='nonexistent', top='%s' % mid_img) |
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self.assert_qmp(result, 'error/class', 'DeviceNotFound') |
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|
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def test_top_same_base(self): |
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self.assert_no_active_commit() |
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result = self.vm.qmp('block-commit', device='drive0', top='%s' % backing_img, base='%s' % backing_img) |
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self.assert_qmp(result, 'error/class', 'GenericError') |
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self.assert_qmp(result, 'error/desc', 'Base \'%s\' not found' % backing_img) |
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|
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def test_top_invalid(self): |
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self.assert_no_active_commit() |
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result = self.vm.qmp('block-commit', device='drive0', top='badfile', base='%s' % backing_img) |
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self.assert_qmp(result, 'error/class', 'GenericError') |
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self.assert_qmp(result, 'error/desc', 'Top image file badfile not found') |
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|
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def test_base_invalid(self): |
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self.assert_no_active_commit() |
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result = self.vm.qmp('block-commit', device='drive0', top='%s' % mid_img, base='badfile') |
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self.assert_qmp(result, 'error/class', 'GenericError') |
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self.assert_qmp(result, 'error/desc', 'Base \'badfile\' not found') |
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|
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def test_top_is_active(self): |
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self.assert_no_active_commit() |
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result = self.vm.qmp('block-commit', device='drive0', top='%s' % test_img, base='%s' % backing_img) |
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self.assert_qmp(result, 'error/class', 'GenericError') |
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self.assert_qmp(result, 'error/desc', 'Top image as the active layer is currently unsupported') |
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|
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def test_top_and_base_reversed(self): |
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self.assert_no_active_commit() |
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result = self.vm.qmp('block-commit', device='drive0', top='%s' % backing_img, base='%s' % mid_img) |
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self.assert_qmp(result, 'error/class', 'GenericError') |
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self.assert_qmp(result, 'error/desc', 'Base \'%s\' not found' % mid_img) |
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|
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def test_top_omitted(self): |
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self.assert_no_active_commit() |
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result = self.vm.qmp('block-commit', device='drive0') |
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self.assert_qmp(result, 'error/class', 'GenericError') |
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self.assert_qmp(result, 'error/desc', "Parameter 'top' is missing") |
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|
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class TestRelativePaths(ImageCommitTestCase): |
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image_len = 1 * 1024 * 1024 |
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test_len = 1 * 1024 * 256 |
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|
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dir1 = "dir1" |
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dir2 = "dir2/" |
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dir3 = "dir2/dir3/" |
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|
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test_img = os.path.join(iotests.test_dir, dir3, 'test.img') |
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mid_img = "../mid.img" |
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backing_img = "../dir1/backing.img" |
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|
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backing_img_abs = os.path.join(iotests.test_dir, dir1, 'backing.img') |
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mid_img_abs = os.path.join(iotests.test_dir, dir2, 'mid.img') |
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|
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def setUp(self): |
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try: |
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os.mkdir(os.path.join(iotests.test_dir, self.dir1)) |
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os.mkdir(os.path.join(iotests.test_dir, self.dir2)) |
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os.mkdir(os.path.join(iotests.test_dir, self.dir3)) |
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except OSError as exception: |
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if exception.errno != errno.EEXIST: |
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raise |
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iotests.create_image(self.backing_img_abs, TestRelativePaths.image_len) |
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qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % self.backing_img_abs, self.mid_img_abs) |
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qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % self.mid_img_abs, self.test_img) |
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qemu_img('rebase', '-u', '-b', self.backing_img, self.mid_img_abs) |
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qemu_img('rebase', '-u', '-b', self.mid_img, self.test_img) |
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qemu_io('-c', 'write -P 0xab 0 524288', self.backing_img_abs) |
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qemu_io('-c', 'write -P 0xef 524288 524288', self.mid_img_abs) |
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self.vm = iotests.VM().add_drive(self.test_img) |
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self.vm.launch() |
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|
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def tearDown(self): |
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self.vm.shutdown() |
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os.remove(self.test_img) |
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os.remove(self.mid_img_abs) |
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os.remove(self.backing_img_abs) |
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try: |
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os.rmdir(os.path.join(iotests.test_dir, self.dir1)) |
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os.rmdir(os.path.join(iotests.test_dir, self.dir3)) |
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os.rmdir(os.path.join(iotests.test_dir, self.dir2)) |
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except OSError as exception: |
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if exception.errno != errno.EEXIST and exception.errno != errno.ENOTEMPTY: |
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raise |
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|
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def test_commit(self): |
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self.assert_no_active_commit() |
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result = self.vm.qmp('block-commit', device='drive0', top='%s' % self.mid_img) |
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self.assert_qmp(result, 'return', {}) |
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|
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completed = False |
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while not completed: |
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for event in self.vm.get_qmp_events(wait=True): |
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if event['event'] == 'BLOCK_JOB_COMPLETED': |
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self.assert_qmp(event, 'data/type', 'commit') |
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self.assert_qmp(event, 'data/device', 'drive0') |
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self.assert_qmp(event, 'data/offset', self.image_len) |
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self.assert_qmp(event, 'data/len', self.image_len) |
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completed = True |
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|
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self.assert_no_active_commit() |
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self.vm.shutdown() |
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self.assertEqual(-1, qemu_io('-c', 'read -P 0xab 0 524288', self.backing_img_abs).find("verification failed")) |
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self.assertEqual(-1, qemu_io('-c', 'read -P 0xef 524288 524288', self.backing_img_abs).find("verification failed")) |
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|
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def test_device_not_found(self): |
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result = self.vm.qmp('block-commit', device='nonexistent', top='%s' % self.mid_img) |
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self.assert_qmp(result, 'error/class', 'DeviceNotFound') |
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|
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def test_top_same_base(self): |
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self.assert_no_active_commit() |
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result = self.vm.qmp('block-commit', device='drive0', top='%s' % self.mid_img, base='%s' % self.mid_img) |
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self.assert_qmp(result, 'error/class', 'GenericError') |
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self.assert_qmp(result, 'error/desc', 'Base \'%s\' not found' % self.mid_img) |
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|
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def test_top_invalid(self): |
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self.assert_no_active_commit() |
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result = self.vm.qmp('block-commit', device='drive0', top='badfile', base='%s' % self.backing_img) |
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self.assert_qmp(result, 'error/class', 'GenericError') |
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self.assert_qmp(result, 'error/desc', 'Top image file badfile not found') |
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|
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def test_base_invalid(self): |
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self.assert_no_active_commit() |
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result = self.vm.qmp('block-commit', device='drive0', top='%s' % self.mid_img, base='badfile') |
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self.assert_qmp(result, 'error/class', 'GenericError') |
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self.assert_qmp(result, 'error/desc', 'Base \'badfile\' not found') |
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|
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def test_top_is_active(self): |
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self.assert_no_active_commit() |
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result = self.vm.qmp('block-commit', device='drive0', top='%s' % self.test_img, base='%s' % self.backing_img) |
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self.assert_qmp(result, 'error/class', 'GenericError') |
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self.assert_qmp(result, 'error/desc', 'Top image as the active layer is currently unsupported') |
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|
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def test_top_and_base_reversed(self): |
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self.assert_no_active_commit() |
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result = self.vm.qmp('block-commit', device='drive0', top='%s' % self.backing_img, base='%s' % self.mid_img) |
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self.assert_qmp(result, 'error/class', 'GenericError') |
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self.assert_qmp(result, 'error/desc', 'Base \'%s\' not found' % self.mid_img) |
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|
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|
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class TestSetSpeed(ImageCommitTestCase): |
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image_len = 80 * 1024 * 1024 # MB |
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|
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def setUp(self): |
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qemu_img('create', backing_img, str(TestSetSpeed.image_len)) |
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qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % backing_img, mid_img) |
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qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % mid_img, test_img) |
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self.vm = iotests.VM().add_drive(test_img) |
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self.vm.launch() |
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|
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def tearDown(self): |
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self.vm.shutdown() |
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os.remove(test_img) |
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os.remove(mid_img) |
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os.remove(backing_img) |
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|
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def test_set_speed(self): |
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self.assert_no_active_commit() |
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|
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result = self.vm.qmp('block-commit', device='drive0', top=mid_img, speed=1024 * 1024) |
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self.assert_qmp(result, 'return', {}) |
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|
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# Ensure the speed we set was accepted |
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result = self.vm.qmp('query-block-jobs') |
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self.assert_qmp(result, 'return[0]/device', 'drive0') |
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self.assert_qmp(result, 'return[0]/speed', 1024 * 1024) |
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|
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self.cancel_and_wait() |
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|
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|
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if __name__ == '__main__': |
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iotests.main(supported_fmts=['qcow2', 'qed']) |