9f7264f57c
Signed-off-by: John Snow <jsnow@redhat.com> Reviewed-by: Max Reitz <mreitz@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Message-id: 1429314609-29776-18-git-send-email-jsnow@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
105 lines
3.6 KiB
Python
105 lines
3.6 KiB
Python
#!/usr/bin/env python
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#
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# Tests for incremental drive-backup
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#
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# Copyright (C) 2015 John Snow for Red Hat, Inc.
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#
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# Based on 056.
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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 os
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import iotests
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def io_write_patterns(img, patterns):
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for pattern in patterns:
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iotests.qemu_io('-c', 'write -P%s %s %s' % pattern, img)
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class TestIncrementalBackup(iotests.QMPTestCase):
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def setUp(self):
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self.bitmaps = list()
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self.files = list()
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self.drives = list()
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self.vm = iotests.VM()
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self.err_img = os.path.join(iotests.test_dir, 'err.%s' % iotests.imgfmt)
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# Create a base image with a distinctive patterning
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drive0 = self.add_node('drive0')
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self.img_create(drive0['file'], drive0['fmt'])
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self.vm.add_drive(drive0['file'])
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io_write_patterns(drive0['file'], (('0x41', 0, 512),
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('0xd5', '1M', '32k'),
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('0xdc', '32M', '124k')))
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self.vm.launch()
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def add_node(self, node_id, fmt=iotests.imgfmt, path=None, backup=None):
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if path is None:
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path = os.path.join(iotests.test_dir, '%s.%s' % (node_id, fmt))
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if backup is None:
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backup = os.path.join(iotests.test_dir,
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'%s.full.backup.%s' % (node_id, fmt))
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self.drives.append({
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'id': node_id,
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'file': path,
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'backup': backup,
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'fmt': fmt })
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return self.drives[-1]
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def img_create(self, img, fmt=iotests.imgfmt, size='64M',
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parent=None, parentFormat=None):
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if parent:
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if parentFormat is None:
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parentFormat = fmt
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iotests.qemu_img('create', '-f', fmt, img, size,
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'-b', parent, '-F', parentFormat)
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else:
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iotests.qemu_img('create', '-f', fmt, img, size)
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self.files.append(img)
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def test_sync_dirty_bitmap_missing(self):
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self.assert_no_active_block_jobs()
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self.files.append(self.err_img)
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result = self.vm.qmp('drive-backup', device=self.drives[0]['id'],
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sync='dirty-bitmap', format=self.drives[0]['fmt'],
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target=self.err_img)
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self.assert_qmp(result, 'error/class', 'GenericError')
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def test_sync_dirty_bitmap_not_found(self):
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self.assert_no_active_block_jobs()
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self.files.append(self.err_img)
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result = self.vm.qmp('drive-backup', device=self.drives[0]['id'],
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sync='dirty-bitmap', bitmap='unknown',
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format=self.drives[0]['fmt'], target=self.err_img)
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self.assert_qmp(result, 'error/class', 'GenericError')
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def tearDown(self):
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self.vm.shutdown()
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for filename in self.files:
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try:
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os.remove(filename)
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except OSError:
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pass
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if __name__ == '__main__':
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iotests.main(supported_fmts=['qcow2'])
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