323 lines
15 KiB
Python
323 lines
15 KiB
Python
# Copyright 2013 OpenStack Foundation
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# Copyright 2019 Aptira Pty Ltd
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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from unittest import mock
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import nova.privsep.fs
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from nova import test
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from nova.tests import fixtures
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class PrivsepFilesystemHelpersTestCase(test.NoDBTestCase):
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"""Test filesystem related utility methods."""
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def setUp(self):
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super(PrivsepFilesystemHelpersTestCase, self).setUp()
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self.useFixture(fixtures.PrivsepFixture())
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@mock.patch('oslo_concurrency.processutils.execute')
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def test_mount_simple(self, mock_execute):
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nova.privsep.fs.mount(None, '/dev/nosuch', '/fake/path', None)
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mock_execute.assert_called_with('mount', '/dev/nosuch', '/fake/path')
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@mock.patch('oslo_concurrency.processutils.execute')
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def test_mount_less_simple(self, mock_execute):
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nova.privsep.fs.mount('ext4', '/dev/nosuch', '/fake/path',
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['-o', 'remount'])
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mock_execute.assert_called_with('mount', '-t', 'ext4',
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'-o', 'remount',
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'/dev/nosuch', '/fake/path')
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@mock.patch('oslo_concurrency.processutils.execute')
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def test_umount(self, mock_execute):
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nova.privsep.fs.umount('/fake/path')
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mock_execute.assert_called_with('umount', '/fake/path',
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attempts=3, delay_on_retry=True)
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@mock.patch('oslo_concurrency.processutils.execute')
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def test_lvcreate_simple(self, mock_execute):
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nova.privsep.fs.lvcreate(1024, 'lv', 'vg')
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mock_execute.assert_called_with('lvcreate', '-L', '1024b', '-n', 'lv',
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'vg', attempts=3)
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@mock.patch('oslo_concurrency.processutils.execute')
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def test_lvcreate_preallocated(self, mock_execute):
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nova.privsep.fs.lvcreate(1024, 'lv', 'vg', preallocated=512)
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mock_execute.assert_called_with('lvcreate', '-L', '512b',
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'--virtualsize', '1024b',
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'-n', 'lv', 'vg', attempts=3)
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@mock.patch('oslo_concurrency.processutils.execute')
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def test_vginfo(self, mock_execute):
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nova.privsep.fs.vginfo('vg')
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mock_execute.assert_called_with('vgs', '--noheadings', '--nosuffix',
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'--separator', '|', '--units', 'b',
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'-o', 'vg_size,vg_free', 'vg',
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attempts=3, delay_on_retry=True)
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@mock.patch('oslo_concurrency.processutils.execute')
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def test_lvlist(self, mock_execute):
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nova.privsep.fs.lvlist('vg')
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mock_execute.assert_called_with('lvs', '--noheadings', '-o',
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'lv_name', 'vg',
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attempts=3, delay_on_retry=True)
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@mock.patch('oslo_concurrency.processutils.execute')
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def test_lvinfo(self, mock_execute):
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nova.privsep.fs.lvinfo('/path/to/lv')
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mock_execute.assert_called_with('lvs', '-o', 'vg_all,lv_all',
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'--separator', '|', '/path/to/lv')
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@mock.patch('oslo_concurrency.processutils.execute')
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def test_lvremove(self, mock_execute):
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nova.privsep.fs.lvremove('/path/to/lv')
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mock_execute.assert_called_with('lvremove', '-f', '/path/to/lv',
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attempts=3)
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@mock.patch('oslo_concurrency.processutils.execute')
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def test_blockdev_size(self, mock_execute):
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nova.privsep.fs.blockdev_size('/dev/nosuch')
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mock_execute.assert_called_with('blockdev', '--getsize64',
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'/dev/nosuch')
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@mock.patch('oslo_concurrency.processutils.execute')
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def test_blockdev_flush(self, mock_execute):
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nova.privsep.fs.blockdev_flush('/dev/nosuch')
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mock_execute.assert_called_with('blockdev', '--flushbufs',
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'/dev/nosuch')
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@mock.patch('oslo_concurrency.processutils.execute')
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def test_clear_simple(self, mock_execute):
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nova.privsep.fs.clear('/dev/nosuch', 1024)
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mock_execute.assert_called_with('shred', '-n0', '-z', '-s1024',
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'/dev/nosuch')
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@mock.patch('oslo_concurrency.processutils.execute')
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def test_clear_with_shred(self, mock_execute):
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nova.privsep.fs.clear('/dev/nosuch', 1024, shred=True)
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mock_execute.assert_called_with('shred', '-n3', '-s1024',
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'/dev/nosuch')
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@mock.patch('oslo_concurrency.processutils.execute')
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def test_loopsetup(self, mock_execute):
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nova.privsep.fs.loopsetup('/dev/nosuch')
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mock_execute.assert_called_with('losetup', '--find', '--show',
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'/dev/nosuch')
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@mock.patch('oslo_concurrency.processutils.execute')
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def test_loopremove(self, mock_execute):
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nova.privsep.fs.loopremove('/dev/nosuch')
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mock_execute.assert_called_with('losetup', '--detach', '/dev/nosuch',
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attempts=3)
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@mock.patch('oslo_concurrency.processutils.execute')
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def test_nbd_connect(self, mock_execute):
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nova.privsep.fs.nbd_connect('/dev/nosuch', '/fake/path')
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mock_execute.assert_called_with('qemu-nbd', '-c', '/dev/nosuch',
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'/fake/path')
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@mock.patch('oslo_concurrency.processutils.execute')
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def test_nbd_disconnect(self, mock_execute):
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nova.privsep.fs.nbd_disconnect('/dev/nosuch')
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mock_execute.assert_called_with('qemu-nbd', '-d', '/dev/nosuch')
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@mock.patch('oslo_concurrency.processutils.execute')
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def test_create_device_maps(self, mock_execute):
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nova.privsep.fs.create_device_maps('/dev/nosuch')
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mock_execute.assert_called_with('kpartx', '-a', '/dev/nosuch')
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@mock.patch('oslo_concurrency.processutils.execute')
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def test_remove_device_maps(self, mock_execute):
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nova.privsep.fs.remove_device_maps('/dev/nosuch')
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mock_execute.assert_called_with('kpartx', '-d', '/dev/nosuch')
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@mock.patch('oslo_concurrency.processutils.execute')
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def test_privileged_e2fsck(self, mock_execute):
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nova.privsep.fs.e2fsck('/path/nosuch')
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mock_execute.assert_called_with('e2fsck', '-fp', '/path/nosuch',
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check_exit_code=[0, 1, 2])
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@mock.patch('oslo_concurrency.processutils.execute')
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def test_privileged_e2fsck_with_flags(self, mock_execute):
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nova.privsep.fs.e2fsck('/path/nosuch', flags='festive')
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mock_execute.assert_called_with('e2fsck', 'festive', '/path/nosuch',
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check_exit_code=[0, 1, 2])
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@mock.patch('oslo_concurrency.processutils.execute')
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def test_unprivileged_e2fsck(self, mock_execute):
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nova.privsep.fs.unprivileged_e2fsck('/path/nosuch')
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mock_execute.assert_called_with('e2fsck', '-fp', '/path/nosuch',
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check_exit_code=[0, 1, 2])
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@mock.patch('oslo_concurrency.processutils.execute')
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def test_unprivileged_e2fsck_with_flags(self, mock_execute):
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nova.privsep.fs.unprivileged_e2fsck('/path/nosuch', flags='festive')
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mock_execute.assert_called_with('e2fsck', 'festive', '/path/nosuch',
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check_exit_code=[0, 1, 2])
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@mock.patch('oslo_concurrency.processutils.execute')
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def test_privileged_resize2fs(self, mock_execute):
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nova.privsep.fs.resize2fs('/path/nosuch', [0, 1, 2])
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mock_execute.assert_called_with('resize2fs', '/path/nosuch',
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check_exit_code=[0, 1, 2])
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@mock.patch('oslo_concurrency.processutils.execute')
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def test_privileged_resize2fs_with_size(self, mock_execute):
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nova.privsep.fs.resize2fs('/path/nosuch', [0, 1, 2], 1024)
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mock_execute.assert_called_with('resize2fs', '/path/nosuch', 1024,
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check_exit_code=[0, 1, 2])
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@mock.patch('oslo_concurrency.processutils.execute')
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def test_unprivileged_resize2fs(self, mock_execute):
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nova.privsep.fs.unprivileged_resize2fs('/path/nosuch', [0, 1, 2])
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mock_execute.assert_called_with('resize2fs', '/path/nosuch',
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check_exit_code=[0, 1, 2])
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@mock.patch('oslo_concurrency.processutils.execute')
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def test_unprivileged_resize2fs_with_size(self, mock_execute):
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nova.privsep.fs.unprivileged_resize2fs('/path/nosuch', [0, 1, 2], 1024)
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mock_execute.assert_called_with('resize2fs', '/path/nosuch', 1024,
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check_exit_code=[0, 1, 2])
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@mock.patch('oslo_concurrency.processutils.execute')
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def test_create_partition_table(self, mock_execute):
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nova.privsep.fs.create_partition_table('/dev/nosuch', 'style')
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mock_execute.assert_called_with('parted', '--script', '/dev/nosuch',
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'mklabel', 'style',
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check_exit_code=True)
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@mock.patch('oslo_concurrency.processutils.execute')
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def test_create_partition(self, mock_execute):
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nova.privsep.fs.create_partition('/dev/nosuch', 'style', 0, 100)
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mock_execute.assert_called_with('parted', '--script', '/dev/nosuch',
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'--', 'mkpart', 'style', 0, 100,
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check_exit_code=True)
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@mock.patch('oslo_concurrency.processutils.execute')
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def _test_list_partitions(self, meth, mock_execute):
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parted_return = "BYT;\n...\n"
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parted_return += "1:2s:11s:10s:ext3::boot;\n"
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parted_return += "2:20s:11s:10s::bob:;\n"
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mock_execute.return_value = (parted_return, None)
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partitions = meth("abc")
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self.assertEqual(2, len(partitions))
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self.assertEqual((1, 2, 10, "ext3", "", "boot"), partitions[0])
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self.assertEqual((2, 20, 10, "", "bob", ""), partitions[1])
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def test_privileged_list_partitions(self):
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self._test_list_partitions(nova.privsep.fs.list_partitions)
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def test_unprivileged_list_partitions(self):
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self._test_list_partitions(
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nova.privsep.fs.unprivileged_list_partitions)
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@mock.patch('oslo_concurrency.processutils.execute')
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def test_resize_partition(self, mock_execute):
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nova.privsep.fs.resize_partition('/dev/nosuch', 0, 100, True)
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mock_execute.assert_has_calls([
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mock.call('parted', '--script', '/dev/nosuch', 'rm', '1'),
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mock.call('parted', '--script', '/dev/nosuch', 'mkpart',
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'primary', '0s', '100s'),
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mock.call('parted', '--script', '/dev/nosuch',
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'set', '1', 'boot', 'on')])
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class MkfsTestCase(test.NoDBTestCase):
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@mock.patch('oslo_concurrency.processutils.execute')
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def test_mkfs_ext4(self, mock_execute):
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nova.privsep.fs.unprivileged_mkfs('ext4', '/my/block/dev')
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mock_execute.assert_called_once_with('mkfs', '-t', 'ext4', '-F',
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'/my/block/dev')
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@mock.patch('oslo_concurrency.processutils.execute')
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def test_mkfs_msdos(self, mock_execute):
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nova.privsep.fs.unprivileged_mkfs('msdos', '/my/msdos/block/dev')
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mock_execute.assert_called_once_with('mkfs', '-t', 'msdos',
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'/my/msdos/block/dev')
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@mock.patch('oslo_concurrency.processutils.execute')
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def test_mkfs_swap(self, mock_execute):
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nova.privsep.fs.unprivileged_mkfs('swap', '/my/swap/block/dev')
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mock_execute.assert_called_once_with('mkswap', '/my/swap/block/dev')
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@mock.patch('oslo_concurrency.processutils.execute')
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def test_mkfs_ext4_withlabel(self, mock_execute):
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nova.privsep.fs.unprivileged_mkfs('ext4', '/my/block/dev', 'ext4-vol')
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mock_execute.assert_called_once_with(
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'mkfs', '-t', 'ext4', '-F', '-L', 'ext4-vol', '/my/block/dev')
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@mock.patch('oslo_concurrency.processutils.execute')
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def test_mkfs_msdos_withlabel(self, mock_execute):
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nova.privsep.fs.unprivileged_mkfs(
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'msdos', '/my/msdos/block/dev', 'msdos-vol')
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mock_execute.assert_called_once_with(
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'mkfs', '-t', 'msdos', '-n', 'msdos-vol', '/my/msdos/block/dev')
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@mock.patch('oslo_concurrency.processutils.execute')
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def test_mkfs_swap_withlabel(self, mock_execute):
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nova.privsep.fs.unprivileged_mkfs(
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'swap', '/my/swap/block/dev', 'swap-vol')
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mock_execute.assert_called_once_with(
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'mkswap', '-L', 'swap-vol', '/my/swap/block/dev')
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HASH_VFAT = nova.privsep.fs._get_hash_str(
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nova.privsep.fs.FS_FORMAT_VFAT)[:7]
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HASH_EXT4 = nova.privsep.fs._get_hash_str(
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nova.privsep.fs.FS_FORMAT_EXT4)[:7]
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HASH_NTFS = nova.privsep.fs._get_hash_str(
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nova.privsep.fs.FS_FORMAT_NTFS)[:7]
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def test_get_file_extension_for_os_type(self):
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self.assertEqual(self.HASH_VFAT,
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nova.privsep.fs.get_file_extension_for_os_type(
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None, None))
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self.assertEqual(self.HASH_EXT4,
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nova.privsep.fs.get_file_extension_for_os_type(
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'linux', None))
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self.assertEqual(self.HASH_NTFS,
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nova.privsep.fs.get_file_extension_for_os_type(
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'windows', None))
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def test_get_file_extension_for_os_type_with_overrides(self):
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with mock.patch('nova.privsep.fs._DEFAULT_MKFS_COMMAND',
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'custom mkfs command'):
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self.assertEqual("a74d253",
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nova.privsep.fs.get_file_extension_for_os_type(
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'linux', None))
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self.assertEqual("a74d253",
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nova.privsep.fs.get_file_extension_for_os_type(
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'windows', None))
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self.assertEqual("a74d253",
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nova.privsep.fs.get_file_extension_for_os_type(
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'osx', None))
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with mock.patch.dict(nova.privsep.fs._MKFS_COMMAND,
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{'osx': 'custom mkfs command'}, clear=True):
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self.assertEqual(self.HASH_VFAT,
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nova.privsep.fs.get_file_extension_for_os_type(
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None, None))
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self.assertEqual(self.HASH_EXT4,
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nova.privsep.fs.get_file_extension_for_os_type(
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'linux', None))
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self.assertEqual(self.HASH_NTFS,
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nova.privsep.fs.get_file_extension_for_os_type(
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'windows', None))
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self.assertEqual("a74d253",
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nova.privsep.fs.get_file_extension_for_os_type(
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'osx', None))
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