--- /dev/null
+#!/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(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
+
+if __name__ == '__main__':
+ iotests.main(supported_fmts=['qcow2', 'qed'])
Code Review / kvmfornfv.git / blobdiff