diff options
Diffstat (limited to 'src/tests/qemu-iotests/040')
| -rwxr-xr-x | src/tests/qemu-iotests/040 | 285 |
1 files changed, 285 insertions, 0 deletions
diff --git a/src/tests/qemu-iotests/040 b/src/tests/qemu-iotests/040 new file mode 100755 index 0000000..5bdaf3d --- /dev/null +++ b/src/tests/qemu-iotests/040 @@ -0,0 +1,285 @@ +#!/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 wait_for_complete(self, need_ready=False): + completed = False + ready = False + while not completed: + for event in self.vm.get_qmp_events(wait=True): + if event['event'] == 'BLOCK_JOB_COMPLETED': + self.assert_qmp_absent(event, 'data/error') + self.assert_qmp(event, 'data/type', 'commit') + self.assert_qmp(event, 'data/device', 'drive0') + self.assert_qmp(event, 'data/offset', event['data']['len']) + if need_ready: + self.assertTrue(ready, "Expecting BLOCK_JOB_COMPLETED event") + completed = True + elif event['event'] == 'BLOCK_JOB_READY': + ready = True + self.assert_qmp(event, 'data/type', 'commit') + self.assert_qmp(event, 'data/device', 'drive0') + self.vm.qmp('block-job-complete', device='drive0') + + self.assert_no_active_block_jobs() + self.vm.shutdown() + + def run_commit_test(self, top, base, need_ready=False): + self.assert_no_active_block_jobs() + result = self.vm.qmp('block-commit', device='drive0', top=top, base=base) + self.assert_qmp(result, 'return', {}) + self.wait_for_complete(need_ready) + + def run_default_commit_test(self): + self.assert_no_active_block_jobs() + result = self.vm.qmp('block-commit', device='drive0') + self.assert_qmp(result, 'return', {}) + self.wait_for_complete() + +class TestSingleDrive(ImageCommitTestCase): + image_len = 1 * 1024 * 1024 + test_len = 1 * 1024 * 256 + + def setUp(self): + iotests.create_image(backing_img, self.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('-f', 'raw', '-c', 'write -P 0xab 0 524288', backing_img) + qemu_io('-f', iotests.imgfmt, '-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.run_commit_test(mid_img, backing_img) + self.assertEqual(-1, qemu_io('-f', 'raw', '-c', 'read -P 0xab 0 524288', backing_img).find("verification failed")) + self.assertEqual(-1, qemu_io('-f', 'raw', '-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_block_jobs() + 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_block_jobs() + 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_block_jobs() + 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.run_commit_test(test_img, backing_img, need_ready=True) + self.assertEqual(-1, qemu_io('-f', 'raw', '-c', 'read -P 0xab 0 524288', backing_img).find("verification failed")) + self.assertEqual(-1, qemu_io('-f', 'raw', '-c', 'read -P 0xef 524288 524288', backing_img).find("verification failed")) + + def test_top_is_default_active(self): + self.run_default_commit_test() + self.assertEqual(-1, qemu_io('-f', 'raw', '-c', 'read -P 0xab 0 524288', backing_img).find("verification failed")) + self.assertEqual(-1, qemu_io('-f', 'raw', '-c', 'read -P 0xef 524288 524288', backing_img).find("verification failed")) + + def test_top_and_base_reversed(self): + self.assert_no_active_block_jobs() + 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) + + +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 + iotests.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('-f', 'raw', '-c', 'write -P 0xab 0 524288', self.backing_img_abs) + qemu_io('-f', iotests.imgfmt, '-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.run_commit_test(self.mid_img, self.backing_img) + self.assertEqual(-1, qemu_io('-f', 'raw', '-c', 'read -P 0xab 0 524288', self.backing_img_abs).find("verification failed")) + self.assertEqual(-1, qemu_io('-f', 'raw', '-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_block_jobs() + 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_block_jobs() + 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_block_jobs() + 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.run_commit_test(self.test_img, self.backing_img) + self.assertEqual(-1, qemu_io('-f', 'raw', '-c', 'read -P 0xab 0 524288', self.backing_img_abs).find("verification failed")) + self.assertEqual(-1, qemu_io('-f', 'raw', '-c', 'read -P 0xef 524288 524288', self.backing_img_abs).find("verification failed")) + + def test_top_and_base_reversed(self): + self.assert_no_active_block_jobs() + 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) + qemu_io('-f', iotests.imgfmt, '-c', 'write -P 0x1 0 512', test_img) + qemu_io('-f', iotests.imgfmt, '-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_set_speed(self): + self.assert_no_active_block_jobs() + + self.vm.pause_drive('drive0') + 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(resume=True) + +class TestActiveZeroLengthImage(TestSingleDrive): + image_len = 0 + +class TestReopenOverlay(ImageCommitTestCase): + image_len = 1024 * 1024 + img0 = os.path.join(iotests.test_dir, '0.img') + img1 = os.path.join(iotests.test_dir, '1.img') + img2 = os.path.join(iotests.test_dir, '2.img') + img3 = os.path.join(iotests.test_dir, '3.img') + + def setUp(self): + iotests.create_image(self.img0, self.image_len) + qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % self.img0, self.img1) + qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % self.img1, self.img2) + qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % self.img2, self.img3) + qemu_io('-f', iotests.imgfmt, '-c', 'write -P 0xab 0 128K', self.img1) + self.vm = iotests.VM().add_drive(self.img3) + self.vm.launch() + + def tearDown(self): + self.vm.shutdown() + os.remove(self.img0) + os.remove(self.img1) + os.remove(self.img2) + os.remove(self.img3) + + # This tests what happens when the overlay image of the 'top' node + # needs to be reopened in read-write mode in order to update the + # backing image string. + def test_reopen_overlay(self): + self.run_commit_test(self.img1, self.img0) + +if __name__ == '__main__': + iotests.main(supported_fmts=['qcow2', 'qed']) |
