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a04eca108e
This test verifies two mirroring issues are fixed with resized images: * sync='top' creates an image that is the proper size * sync='full' doesn't cause an assertion failure and crash qemu Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
745 lines
29 KiB
Python
Executable File
745 lines
29 KiB
Python
Executable File
#!/usr/bin/env python
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#
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# Tests for image mirroring.
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#
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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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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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backing_img = os.path.join(iotests.test_dir, 'backing.img')
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target_backing_img = os.path.join(iotests.test_dir, 'target-backing.img')
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test_img = os.path.join(iotests.test_dir, 'test.img')
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target_img = os.path.join(iotests.test_dir, 'target.img')
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class ImageMirroringTestCase(iotests.QMPTestCase):
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'''Abstract base class for image mirroring test cases'''
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def assert_no_active_mirrors(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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def cancel_and_wait(self, drive='drive0', wait_ready=True):
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'''Cancel a block job and wait for it to finish'''
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if wait_ready:
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ready = False
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while not ready:
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for event in self.vm.get_qmp_events(wait=True):
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if event['event'] == 'BLOCK_JOB_READY':
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self.assert_qmp(event, 'data/type', 'mirror')
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self.assert_qmp(event, 'data/device', drive)
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ready = True
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result = self.vm.qmp('block-job-cancel', device=drive,
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force=not wait_ready)
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self.assert_qmp(result, 'return', {})
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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_COMPLETED' or \
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event['event'] == 'BLOCK_JOB_CANCELLED':
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self.assert_qmp(event, 'data/type', 'mirror')
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self.assert_qmp(event, 'data/device', drive)
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if wait_ready:
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self.assertEquals(event['event'], 'BLOCK_JOB_COMPLETED')
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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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cancelled = True
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self.assert_no_active_mirrors()
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def complete_and_wait(self, drive='drive0', wait_ready=True):
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'''Complete a block job and wait for it to finish'''
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if wait_ready:
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ready = False
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while not ready:
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for event in self.vm.get_qmp_events(wait=True):
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if event['event'] == 'BLOCK_JOB_READY':
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self.assert_qmp(event, 'data/type', 'mirror')
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self.assert_qmp(event, 'data/device', drive)
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ready = True
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result = self.vm.qmp('block-job-complete', device=drive)
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self.assert_qmp(result, 'return', {})
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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', 'mirror')
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self.assert_qmp(event, 'data/device', drive)
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self.assert_qmp_absent(event, 'data/error')
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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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self.assert_no_active_mirrors()
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def create_image(self, name, size):
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file = open(name, 'w')
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i = 0
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while i < size:
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sector = struct.pack('>l504xl', i / 512, i / 512)
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file.write(sector)
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i = i + 512
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file.close()
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def compare_images(self, img1, img2):
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try:
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qemu_img('convert', '-f', iotests.imgfmt, '-O', 'raw', img1, img1 + '.raw')
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qemu_img('convert', '-f', iotests.imgfmt, '-O', 'raw', img2, img2 + '.raw')
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file1 = open(img1 + '.raw', 'r')
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file2 = open(img2 + '.raw', 'r')
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return file1.read() == file2.read()
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finally:
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if file1 is not None:
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file1.close()
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if file2 is not None:
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file2.close()
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try:
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os.remove(img1 + '.raw')
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except OSError:
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pass
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try:
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os.remove(img2 + '.raw')
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except OSError:
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pass
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class TestSingleDrive(ImageMirroringTestCase):
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image_len = 1 * 1024 * 1024 # MB
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def setUp(self):
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self.create_image(backing_img, TestSingleDrive.image_len)
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qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % backing_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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def tearDown(self):
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self.vm.shutdown()
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os.remove(test_img)
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os.remove(backing_img)
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try:
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os.remove(target_img)
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except OSError:
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pass
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def test_complete(self):
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self.assert_no_active_mirrors()
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result = self.vm.qmp('drive-mirror', device='drive0', sync='full',
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target=target_img)
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self.assert_qmp(result, 'return', {})
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self.complete_and_wait()
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result = self.vm.qmp('query-block')
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self.assert_qmp(result, 'return[0]/inserted/file', target_img)
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self.vm.shutdown()
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self.assertTrue(self.compare_images(test_img, target_img),
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'target image does not match source after mirroring')
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def test_cancel(self):
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self.assert_no_active_mirrors()
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result = self.vm.qmp('drive-mirror', device='drive0', sync='full',
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target=target_img)
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self.assert_qmp(result, 'return', {})
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self.cancel_and_wait(wait_ready=False)
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result = self.vm.qmp('query-block')
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self.assert_qmp(result, 'return[0]/inserted/file', test_img)
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self.vm.shutdown()
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def test_cancel_after_ready(self):
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self.assert_no_active_mirrors()
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result = self.vm.qmp('drive-mirror', device='drive0', sync='full',
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target=target_img)
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self.assert_qmp(result, 'return', {})
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self.cancel_and_wait()
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result = self.vm.qmp('query-block')
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self.assert_qmp(result, 'return[0]/inserted/file', test_img)
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self.vm.shutdown()
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self.assertTrue(self.compare_images(test_img, target_img),
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'target image does not match source after mirroring')
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def test_pause(self):
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self.assert_no_active_mirrors()
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result = self.vm.qmp('drive-mirror', device='drive0', sync='full',
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target=target_img)
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self.assert_qmp(result, 'return', {})
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result = self.vm.qmp('block-job-pause', device='drive0')
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self.assert_qmp(result, 'return', {})
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time.sleep(1)
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result = self.vm.qmp('query-block-jobs')
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offset = self.dictpath(result, 'return[0]/offset')
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time.sleep(1)
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result = self.vm.qmp('query-block-jobs')
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self.assert_qmp(result, 'return[0]/offset', offset)
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result = self.vm.qmp('block-job-resume', device='drive0')
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self.assert_qmp(result, 'return', {})
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self.complete_and_wait()
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self.vm.shutdown()
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self.assertTrue(self.compare_images(test_img, target_img),
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'target image does not match source after mirroring')
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def test_small_buffer(self):
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self.assert_no_active_mirrors()
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# A small buffer is rounded up automatically
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result = self.vm.qmp('drive-mirror', device='drive0', sync='full',
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buf_size=4096, target=target_img)
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self.assert_qmp(result, 'return', {})
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self.complete_and_wait()
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result = self.vm.qmp('query-block')
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self.assert_qmp(result, 'return[0]/inserted/file', target_img)
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self.vm.shutdown()
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self.assertTrue(self.compare_images(test_img, target_img),
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'target image does not match source after mirroring')
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def test_small_buffer2(self):
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self.assert_no_active_mirrors()
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qemu_img('create', '-f', iotests.imgfmt, '-o', 'cluster_size=%d,size=%d'
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% (TestSingleDrive.image_len, TestSingleDrive.image_len), target_img)
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result = self.vm.qmp('drive-mirror', device='drive0', sync='full',
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buf_size=65536, mode='existing', target=target_img)
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self.assert_qmp(result, 'return', {})
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self.complete_and_wait()
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result = self.vm.qmp('query-block')
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self.assert_qmp(result, 'return[0]/inserted/file', target_img)
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self.vm.shutdown()
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self.assertTrue(self.compare_images(test_img, target_img),
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'target image does not match source after mirroring')
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def test_large_cluster(self):
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self.assert_no_active_mirrors()
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qemu_img('create', '-f', iotests.imgfmt, '-o', 'cluster_size=%d,backing_file=%s'
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% (TestSingleDrive.image_len, backing_img), target_img)
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result = self.vm.qmp('drive-mirror', device='drive0', sync='full',
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mode='existing', target=target_img)
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self.assert_qmp(result, 'return', {})
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self.complete_and_wait()
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result = self.vm.qmp('query-block')
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self.assert_qmp(result, 'return[0]/inserted/file', target_img)
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self.vm.shutdown()
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self.assertTrue(self.compare_images(test_img, target_img),
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'target image does not match source after mirroring')
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def test_medium_not_found(self):
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result = self.vm.qmp('drive-mirror', device='ide1-cd0', sync='full',
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target=target_img)
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self.assert_qmp(result, 'error/class', 'GenericError')
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def test_image_not_found(self):
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result = self.vm.qmp('drive-mirror', device='drive0', sync='full',
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mode='existing', target=target_img)
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self.assert_qmp(result, 'error/class', 'GenericError')
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def test_device_not_found(self):
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result = self.vm.qmp('drive-mirror', device='nonexistent', sync='full',
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target=target_img)
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self.assert_qmp(result, 'error/class', 'DeviceNotFound')
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class TestMirrorNoBacking(ImageMirroringTestCase):
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image_len = 2 * 1024 * 1024 # MB
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def complete_and_wait(self, drive='drive0', wait_ready=True):
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self.create_image(target_backing_img, TestMirrorNoBacking.image_len)
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return ImageMirroringTestCase.complete_and_wait(self, drive, wait_ready)
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def compare_images(self, img1, img2):
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self.create_image(target_backing_img, TestMirrorNoBacking.image_len)
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return ImageMirroringTestCase.compare_images(self, img1, img2)
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def setUp(self):
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self.create_image(backing_img, TestMirrorNoBacking.image_len)
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qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % backing_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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def tearDown(self):
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self.vm.shutdown()
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os.remove(test_img)
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os.remove(backing_img)
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os.remove(target_backing_img)
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os.remove(target_img)
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def test_complete(self):
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self.assert_no_active_mirrors()
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qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % backing_img, target_img)
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result = self.vm.qmp('drive-mirror', device='drive0', sync='full',
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mode='existing', target=target_img)
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self.assert_qmp(result, 'return', {})
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self.complete_and_wait()
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result = self.vm.qmp('query-block')
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self.assert_qmp(result, 'return[0]/inserted/file', target_img)
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self.vm.shutdown()
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self.assertTrue(self.compare_images(test_img, target_img),
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'target image does not match source after mirroring')
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def test_cancel(self):
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self.assert_no_active_mirrors()
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qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % backing_img, target_img)
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result = self.vm.qmp('drive-mirror', device='drive0', sync='full',
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mode='existing', target=target_img)
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self.assert_qmp(result, 'return', {})
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self.cancel_and_wait()
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result = self.vm.qmp('query-block')
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self.assert_qmp(result, 'return[0]/inserted/file', test_img)
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self.vm.shutdown()
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self.assertTrue(self.compare_images(test_img, target_img),
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'target image does not match source after mirroring')
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def test_large_cluster(self):
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self.assert_no_active_mirrors()
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# qemu-img create fails if the image is not there
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qemu_img('create', '-f', iotests.imgfmt, '-o', 'size=%d'
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%(TestMirrorNoBacking.image_len), target_backing_img)
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qemu_img('create', '-f', iotests.imgfmt, '-o', 'cluster_size=%d,backing_file=%s'
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% (TestMirrorNoBacking.image_len, target_backing_img), target_img)
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os.remove(target_backing_img)
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result = self.vm.qmp('drive-mirror', device='drive0', sync='full',
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mode='existing', target=target_img)
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self.assert_qmp(result, 'return', {})
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self.complete_and_wait()
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result = self.vm.qmp('query-block')
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self.assert_qmp(result, 'return[0]/inserted/file', target_img)
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self.vm.shutdown()
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self.assertTrue(self.compare_images(test_img, target_img),
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'target image does not match source after mirroring')
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class TestMirrorResized(ImageMirroringTestCase):
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backing_len = 1 * 1024 * 1024 # MB
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image_len = 2 * 1024 * 1024 # MB
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def setUp(self):
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self.create_image(backing_img, TestMirrorResized.backing_len)
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qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % backing_img, test_img)
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qemu_img('resize', test_img, '2M')
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self.vm = iotests.VM().add_drive(test_img)
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self.vm.launch()
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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(backing_img)
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try:
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os.remove(target_img)
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except OSError:
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pass
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def test_complete_top(self):
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self.assert_no_active_mirrors()
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result = self.vm.qmp('drive-mirror', device='drive0', sync='top',
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target=target_img)
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self.assert_qmp(result, 'return', {})
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self.complete_and_wait()
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result = self.vm.qmp('query-block')
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self.assert_qmp(result, 'return[0]/inserted/file', target_img)
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self.vm.shutdown()
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self.assertTrue(self.compare_images(test_img, target_img),
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'target image does not match source after mirroring')
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def test_complete_full(self):
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self.assert_no_active_mirrors()
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result = self.vm.qmp('drive-mirror', device='drive0', sync='full',
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target=target_img)
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self.assert_qmp(result, 'return', {})
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self.complete_and_wait()
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result = self.vm.qmp('query-block')
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self.assert_qmp(result, 'return[0]/inserted/file', target_img)
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self.vm.shutdown()
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self.assertTrue(self.compare_images(test_img, target_img),
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'target image does not match source after mirroring')
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class TestReadErrors(ImageMirroringTestCase):
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image_len = 2 * 1024 * 1024 # MB
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# this should be a multiple of twice the default granularity
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# so that we hit this offset first in state 1
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MIRROR_GRANULARITY = 1024 * 1024
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def create_blkdebug_file(self, name, event, errno):
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file = open(name, 'w')
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file.write('''
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[inject-error]
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state = "1"
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event = "%s"
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errno = "%d"
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immediately = "off"
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once = "on"
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sector = "%d"
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[set-state]
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state = "1"
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event = "%s"
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new_state = "2"
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[set-state]
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state = "2"
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event = "%s"
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new_state = "1"
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''' % (event, errno, self.MIRROR_GRANULARITY / 512, event, event))
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file.close()
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def setUp(self):
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self.blkdebug_file = backing_img + ".blkdebug"
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self.create_image(backing_img, TestReadErrors.image_len)
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self.create_blkdebug_file(self.blkdebug_file, "read_aio", 5)
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qemu_img('create', '-f', iotests.imgfmt,
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'-o', 'backing_file=blkdebug:%s:%s,backing_fmt=raw'
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% (self.blkdebug_file, backing_img),
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test_img)
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# Write something for tests that use sync='top'
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qemu_io('-c', 'write %d 512' % (self.MIRROR_GRANULARITY + 65536),
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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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def tearDown(self):
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self.vm.shutdown()
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os.remove(test_img)
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os.remove(backing_img)
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os.remove(self.blkdebug_file)
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def test_report_read(self):
|
|
self.assert_no_active_mirrors()
|
|
|
|
result = self.vm.qmp('drive-mirror', device='drive0', sync='full',
|
|
target=target_img)
|
|
self.assert_qmp(result, 'return', {})
|
|
|
|
completed = False
|
|
error = False
|
|
while not completed:
|
|
for event in self.vm.get_qmp_events(wait=True):
|
|
if event['event'] == 'BLOCK_JOB_ERROR':
|
|
self.assert_qmp(event, 'data/device', 'drive0')
|
|
self.assert_qmp(event, 'data/operation', 'read')
|
|
error = True
|
|
elif event['event'] == 'BLOCK_JOB_READY':
|
|
self.assertTrue(False, 'job completed unexpectedly')
|
|
elif event['event'] == 'BLOCK_JOB_COMPLETED':
|
|
self.assertTrue(error, 'job completed unexpectedly')
|
|
self.assert_qmp(event, 'data/type', 'mirror')
|
|
self.assert_qmp(event, 'data/device', 'drive0')
|
|
self.assert_qmp(event, 'data/error', 'Input/output error')
|
|
self.assert_qmp(event, 'data/len', self.image_len)
|
|
completed = True
|
|
|
|
self.assert_no_active_mirrors()
|
|
self.vm.shutdown()
|
|
|
|
def test_ignore_read(self):
|
|
self.assert_no_active_mirrors()
|
|
|
|
result = self.vm.qmp('drive-mirror', device='drive0', sync='full',
|
|
target=target_img, on_source_error='ignore')
|
|
self.assert_qmp(result, 'return', {})
|
|
|
|
event = self.vm.get_qmp_event(wait=True)
|
|
self.assertEquals(event['event'], 'BLOCK_JOB_ERROR')
|
|
self.assert_qmp(event, 'data/device', 'drive0')
|
|
self.assert_qmp(event, 'data/operation', 'read')
|
|
result = self.vm.qmp('query-block-jobs')
|
|
self.assert_qmp(result, 'return[0]/paused', False)
|
|
self.complete_and_wait()
|
|
self.vm.shutdown()
|
|
|
|
def test_large_cluster(self):
|
|
self.assert_no_active_mirrors()
|
|
|
|
# Test COW into the target image. The first half of the
|
|
# cluster at MIRROR_GRANULARITY has to be copied from
|
|
# backing_img, even though sync='top'.
|
|
qemu_img('create', '-f', iotests.imgfmt, '-ocluster_size=131072,backing_file=%s' %(backing_img), target_img)
|
|
result = self.vm.qmp('drive-mirror', device='drive0', sync='top',
|
|
on_source_error='ignore',
|
|
mode='existing', target=target_img)
|
|
self.assert_qmp(result, 'return', {})
|
|
|
|
event = self.vm.get_qmp_event(wait=True)
|
|
self.assertEquals(event['event'], 'BLOCK_JOB_ERROR')
|
|
self.assert_qmp(event, 'data/device', 'drive0')
|
|
self.assert_qmp(event, 'data/operation', 'read')
|
|
result = self.vm.qmp('query-block-jobs')
|
|
self.assert_qmp(result, 'return[0]/paused', False)
|
|
self.complete_and_wait()
|
|
self.vm.shutdown()
|
|
|
|
# Detach blkdebug to compare images successfully
|
|
qemu_img('rebase', '-f', iotests.imgfmt, '-u', '-b', backing_img, test_img)
|
|
self.assertTrue(self.compare_images(test_img, target_img),
|
|
'target image does not match source after mirroring')
|
|
|
|
def test_stop_read(self):
|
|
self.assert_no_active_mirrors()
|
|
|
|
result = self.vm.qmp('drive-mirror', device='drive0', sync='full',
|
|
target=target_img, on_source_error='stop')
|
|
self.assert_qmp(result, 'return', {})
|
|
|
|
error = False
|
|
ready = False
|
|
while not ready:
|
|
for event in self.vm.get_qmp_events(wait=True):
|
|
if event['event'] == 'BLOCK_JOB_ERROR':
|
|
self.assert_qmp(event, 'data/device', 'drive0')
|
|
self.assert_qmp(event, 'data/operation', 'read')
|
|
|
|
result = self.vm.qmp('query-block-jobs')
|
|
self.assert_qmp(result, 'return[0]/paused', True)
|
|
self.assert_qmp(result, 'return[0]/io-status', 'failed')
|
|
|
|
result = self.vm.qmp('block-job-resume', device='drive0')
|
|
self.assert_qmp(result, 'return', {})
|
|
error = True
|
|
elif event['event'] == 'BLOCK_JOB_READY':
|
|
self.assertTrue(error, 'job completed unexpectedly')
|
|
self.assert_qmp(event, 'data/device', 'drive0')
|
|
ready = True
|
|
|
|
result = self.vm.qmp('query-block-jobs')
|
|
self.assert_qmp(result, 'return[0]/paused', False)
|
|
self.assert_qmp(result, 'return[0]/io-status', 'ok')
|
|
|
|
self.complete_and_wait(wait_ready=False)
|
|
self.assert_no_active_mirrors()
|
|
self.vm.shutdown()
|
|
|
|
class TestWriteErrors(ImageMirroringTestCase):
|
|
image_len = 2 * 1024 * 1024 # MB
|
|
|
|
# this should be a multiple of twice the default granularity
|
|
# so that we hit this offset first in state 1
|
|
MIRROR_GRANULARITY = 1024 * 1024
|
|
|
|
def create_blkdebug_file(self, name, event, errno):
|
|
file = open(name, 'w')
|
|
file.write('''
|
|
[inject-error]
|
|
state = "1"
|
|
event = "%s"
|
|
errno = "%d"
|
|
immediately = "off"
|
|
once = "on"
|
|
sector = "%d"
|
|
|
|
[set-state]
|
|
state = "1"
|
|
event = "%s"
|
|
new_state = "2"
|
|
|
|
[set-state]
|
|
state = "2"
|
|
event = "%s"
|
|
new_state = "1"
|
|
''' % (event, errno, self.MIRROR_GRANULARITY / 512, event, event))
|
|
file.close()
|
|
|
|
def setUp(self):
|
|
self.blkdebug_file = target_img + ".blkdebug"
|
|
self.create_image(backing_img, TestWriteErrors.image_len)
|
|
self.create_blkdebug_file(self.blkdebug_file, "write_aio", 5)
|
|
qemu_img('create', '-f', iotests.imgfmt, '-obacking_file=%s' %(backing_img), test_img)
|
|
self.vm = iotests.VM().add_drive(test_img)
|
|
self.target_img = 'blkdebug:%s:%s' % (self.blkdebug_file, target_img)
|
|
qemu_img('create', '-f', iotests.imgfmt, '-osize=%d' %(TestWriteErrors.image_len), target_img)
|
|
self.vm.launch()
|
|
|
|
def tearDown(self):
|
|
self.vm.shutdown()
|
|
os.remove(test_img)
|
|
os.remove(backing_img)
|
|
os.remove(self.blkdebug_file)
|
|
|
|
def test_report_write(self):
|
|
self.assert_no_active_mirrors()
|
|
|
|
result = self.vm.qmp('drive-mirror', device='drive0', sync='full',
|
|
mode='existing', target=self.target_img)
|
|
self.assert_qmp(result, 'return', {})
|
|
|
|
completed = False
|
|
error = False
|
|
while not completed:
|
|
for event in self.vm.get_qmp_events(wait=True):
|
|
if event['event'] == 'BLOCK_JOB_ERROR':
|
|
self.assert_qmp(event, 'data/device', 'drive0')
|
|
self.assert_qmp(event, 'data/operation', 'write')
|
|
error = True
|
|
elif event['event'] == 'BLOCK_JOB_READY':
|
|
self.assertTrue(False, 'job completed unexpectedly')
|
|
elif event['event'] == 'BLOCK_JOB_COMPLETED':
|
|
self.assertTrue(error, 'job completed unexpectedly')
|
|
self.assert_qmp(event, 'data/type', 'mirror')
|
|
self.assert_qmp(event, 'data/device', 'drive0')
|
|
self.assert_qmp(event, 'data/error', 'Input/output error')
|
|
self.assert_qmp(event, 'data/len', self.image_len)
|
|
completed = True
|
|
|
|
self.assert_no_active_mirrors()
|
|
self.vm.shutdown()
|
|
|
|
def test_ignore_write(self):
|
|
self.assert_no_active_mirrors()
|
|
|
|
result = self.vm.qmp('drive-mirror', device='drive0', sync='full',
|
|
mode='existing', target=self.target_img,
|
|
on_target_error='ignore')
|
|
self.assert_qmp(result, 'return', {})
|
|
|
|
event = self.vm.get_qmp_event(wait=True)
|
|
self.assertEquals(event['event'], 'BLOCK_JOB_ERROR')
|
|
self.assert_qmp(event, 'data/device', 'drive0')
|
|
self.assert_qmp(event, 'data/operation', 'write')
|
|
result = self.vm.qmp('query-block-jobs')
|
|
self.assert_qmp(result, 'return[0]/paused', False)
|
|
self.complete_and_wait()
|
|
self.vm.shutdown()
|
|
|
|
def test_stop_write(self):
|
|
self.assert_no_active_mirrors()
|
|
|
|
result = self.vm.qmp('drive-mirror', device='drive0', sync='full',
|
|
mode='existing', target=self.target_img,
|
|
on_target_error='stop')
|
|
self.assert_qmp(result, 'return', {})
|
|
|
|
error = False
|
|
ready = False
|
|
while not ready:
|
|
for event in self.vm.get_qmp_events(wait=True):
|
|
if event['event'] == 'BLOCK_JOB_ERROR':
|
|
self.assert_qmp(event, 'data/device', 'drive0')
|
|
self.assert_qmp(event, 'data/operation', 'write')
|
|
|
|
result = self.vm.qmp('query-block-jobs')
|
|
self.assert_qmp(result, 'return[0]/paused', True)
|
|
self.assert_qmp(result, 'return[0]/io-status', 'failed')
|
|
|
|
result = self.vm.qmp('block-job-resume', device='drive0')
|
|
self.assert_qmp(result, 'return', {})
|
|
|
|
result = self.vm.qmp('query-block-jobs')
|
|
self.assert_qmp(result, 'return[0]/paused', False)
|
|
self.assert_qmp(result, 'return[0]/io-status', 'ok')
|
|
error = True
|
|
elif event['event'] == 'BLOCK_JOB_READY':
|
|
self.assertTrue(error, 'job completed unexpectedly')
|
|
self.assert_qmp(event, 'data/device', 'drive0')
|
|
ready = True
|
|
|
|
self.complete_and_wait(wait_ready=False)
|
|
self.assert_no_active_mirrors()
|
|
self.vm.shutdown()
|
|
|
|
class TestSetSpeed(ImageMirroringTestCase):
|
|
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, 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(backing_img)
|
|
os.remove(target_img)
|
|
|
|
def test_set_speed(self):
|
|
self.assert_no_active_mirrors()
|
|
|
|
result = self.vm.qmp('drive-mirror', device='drive0', sync='full',
|
|
target=target_img)
|
|
self.assert_qmp(result, 'return', {})
|
|
|
|
# Default speed is 0
|
|
result = self.vm.qmp('query-block-jobs')
|
|
self.assert_qmp(result, 'return[0]/device', 'drive0')
|
|
self.assert_qmp(result, 'return[0]/speed', 0)
|
|
|
|
result = self.vm.qmp('block-job-set-speed', device='drive0', speed=8 * 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', 8 * 1024 * 1024)
|
|
|
|
self.cancel_and_wait()
|
|
|
|
# Check setting speed in drive-mirror works
|
|
result = self.vm.qmp('drive-mirror', device='drive0', sync='full',
|
|
target=target_img, speed=4*1024*1024)
|
|
self.assert_qmp(result, 'return', {})
|
|
|
|
result = self.vm.qmp('query-block-jobs')
|
|
self.assert_qmp(result, 'return[0]/device', 'drive0')
|
|
self.assert_qmp(result, 'return[0]/speed', 4 * 1024 * 1024)
|
|
|
|
self.cancel_and_wait()
|
|
|
|
def test_set_speed_invalid(self):
|
|
self.assert_no_active_mirrors()
|
|
|
|
result = self.vm.qmp('drive-mirror', device='drive0', sync='full',
|
|
target=target_img, speed=-1)
|
|
self.assert_qmp(result, 'error/class', 'GenericError')
|
|
|
|
self.assert_no_active_mirrors()
|
|
|
|
result = self.vm.qmp('drive-mirror', device='drive0', sync='full',
|
|
target=target_img)
|
|
self.assert_qmp(result, 'return', {})
|
|
|
|
result = self.vm.qmp('block-job-set-speed', device='drive0', speed=-1)
|
|
self.assert_qmp(result, 'error/class', 'GenericError')
|
|
|
|
self.cancel_and_wait()
|
|
|
|
if __name__ == '__main__':
|
|
iotests.main(supported_fmts=['qcow2', 'qed'])
|