def test_clear_holders_wipe_superblock_rereads_pt(self, mock_block,
mock_log, m_zfs, m_time,
mock_swap, mock_mp):
"""test clear_holders.wipe_superblock re-reads partition table"""
mock_swap.return_value = False
mock_block.sysfs_to_devpath.return_value = self.test_blockdev
mock_block.is_extended_partition.return_value = False
mock_block.get_blockdev_for_partition.return_value = (
self.test_blockdev, None)
mock_mp.multipath_supported.return_value = False
mock_block.is_zfs_member.return_value = False
mock_block.get_sysfs_partitions.side_effect = iter([
['p1', 'p2'], # has partitions before wipe
['p1', 'p2'], # still has partitions after wipe
[], # partitions are now gone
])
m_zfs.zfs_supported.return_value = True
clear_holders.wipe_superblock(self.test_syspath)
mock_block.sysfs_to_devpath.assert_called_with(self.test_syspath)
mock_block.wipe_volume.assert_called_with(self.test_blockdev,
exclusive=True,
mode='superblock',
strict=True)
mock_block.get_sysfs_partitions.assert_has_calls(
[mock.call(self.test_syspath)] * 3)
mock_block.rescan_block_devices.assert_has_calls(
[mock.call(devices=[self.test_blockdev])] * 2)
def test_clear_holders_mp_enabled_and_active_wipes_dm_dev(
self, mock_block, mock_log, m_time, mock_swap, mock_mpath,
m_get_holders, m_zfs):
"""wipe_superblock wipes removes mp parts first and wipes dev."""
mock_swap.return_value = False
mock_block.sysfs_to_devpath.return_value = self.test_blockdev
m_zfs.zfs_supported.return_value = False
mock_block.is_zfs_member.return_value = False
mock_block.is_extended_partition.return_value = False
mock_block.get_blockdev_for_partition.return_value = (
self.test_blockdev, 1)
mock_mpath.multipath_supported.return_value = True
mock_mpath.is_mpath_device.return_value = True
mock_mpath.find_mpath_id_by_path.return_value = 'mpatha'
mock_mpath.find_mpath_partitions.return_value = ['mpatha-part1']
mock_block.get_sysfs_partitions.side_effect = iter([
[], # partitions are now gone
])
mock_mpath.is_mpath_member.return_value = False
m_get_holders.return_value = []
clear_holders.wipe_superblock(self.test_syspath)
mock_block.sysfs_to_devpath.assert_called_with(self.test_syspath)
mock_mpath.remove_partition.assert_called_with('mpatha-part1')
mock_block.wipe_volume.assert_called_with(self.test_blockdev,
exclusive=True,
mode='superblock',
strict=True)
def test_clear_holders_wipe_superblock_rereads_pt_oserr(
self, mock_block, mock_log, m_time, mock_swap, mock_mp, m_zfs):
"""test clear_holders.wipe_superblock re-reads ptable handles oserr"""
mock_swap.return_value = False
mock_block.sysfs_to_devpath.return_value = self.test_blockdev
mock_block.is_extended_partition.return_value = False
mock_block.get_blockdev_for_partition.return_value = (
self.test_blockdev, None)
mock_mp.multipath_supported.return_value = False
m_zfs.zfs_supported.return_value = False
mock_block.is_zfs_member.return_value = False
mock_block.get_sysfs_partitions.side_effect = iter([
['p1', 'p2'], # has partitions before wipe
OSError('No sysfs path for partition'),
[], # partitions are now gone
])
clear_holders.wipe_superblock(self.test_syspath)
mock_block.sysfs_to_devpath.assert_called_with(self.test_syspath)
mock_block.wipe_volume.assert_called_with(self.test_blockdev,
exclusive=True,
mode='superblock',
strict=True)
mock_block.get_sysfs_partitions.assert_has_calls(
[mock.call(self.test_syspath)] * 3)
mock_block.rescan_block_devices.assert_has_calls(
[mock.call(devices=[self.test_blockdev])] * 2)
self.assertEqual(1, m_time.sleep.call_count)
def test_clear_holders_wipe_superblock_zfs_no_utils(
self, mock_block, mock_log, mock_zfs, mock_swap, mock_mp,
mock_udev):
"""test clear_holders.wipe_superblock handles missing zpool cmd"""
mock_swap.return_value = False
mock_block.sysfs_to_devpath.return_value = self.test_blockdev
mock_block.is_extended_partition.return_value = True
clear_holders.wipe_superblock(self.test_syspath)
self.assertFalse(mock_block.wipe_volume.called)
mock_block.is_extended_partition.return_value = False
mock_block.get_blockdev_for_partition.return_value = (
self.test_blockdev, None)
mock_mp.multipath_supported.return_value = False
mock_block.is_zfs_member.return_value = True
mock_zfs.zfs_supported.return_value = True
mock_zfs.device_to_poolname.return_value = 'fake_pool'
mock_zfs.zpool_list.return_value = ['fake_pool']
mock_zfs.zpool_export.side_effect = [
ProcessExecutionError(cmd=['zpool', 'export', 'fake_pool'],
stdout="",
stderr=("cannot open 'fake_pool': "
"no such pool"))
]
clear_holders.wipe_superblock(self.test_syspath)
mock_block.sysfs_to_devpath.assert_called_with(self.test_syspath)
mock_block.wipe_volume.assert_called_with(self.test_blockdev,
exclusive=True,
mode='superblock',
strict=True)
def test_clear_holders_wipe_superblock_no_zfs(self, mock_block, mock_log,
mock_zfs, mock_swap,
mock_mp):
"""test clear_holders.wipe_superblock checks zfs supported"""
mock_swap.return_value = False
mock_block.sysfs_to_devpath.return_value = self.test_blockdev
mock_block.is_extended_partition.return_value = True
mock_block.get_blockdev_for_partition.return_value = (
self.test_blockdev, None)
mock_mp.multipath_supported.return_value = False
clear_holders.wipe_superblock(self.test_syspath)
self.assertFalse(mock_block.wipe_volume.called)
mock_block.is_extended_partition.return_value = False
mock_block.is_zfs_member.return_value = True
mock_zfs.zfs_supported.return_value = False
clear_holders.wipe_superblock(self.test_syspath)
mock_block.sysfs_to_devpath.assert_called_with(self.test_syspath)
self.assertEqual(1, mock_zfs.zfs_supported.call_count)
self.assertEqual(0, mock_block.is_zfs_member.call_count)
self.assertEqual(0, mock_zfs.device_to_poolname.call_count)
self.assertEqual(0, mock_zfs.zpool_list.call_count)
mock_block.wipe_volume.assert_called_with(self.test_blockdev,
exclusive=True,
mode='superblock',
strict=True)
def test_clear_holders_wipe_superblock(self, mock_block, mock_log,
mock_os_path, mock_swap):
"""test clear_holders.wipe_superblock handles errors right"""
mock_swap.return_value = False
mock_os_path.return_value = False
mock_block.sysfs_to_devpath.return_value = self.test_blockdev
mock_block.is_extended_partition.return_value = True
clear_holders.wipe_superblock(self.test_syspath)
self.assertFalse(mock_block.wipe_volume.called)
mock_block.is_extended_partition.return_value = False
mock_block.is_zfs_member.return_value = False
clear_holders.wipe_superblock(self.test_syspath)
mock_block.sysfs_to_devpath.assert_called_with(self.test_syspath)
mock_block.wipe_volume.assert_called_with(self.test_blockdev,
exclusive=True,
mode='superblock')
def test_clear_holders_wipe_superblock_zfs(self, mock_block, mock_log,
mock_zfs, mock_swap):
"""test clear_holders.wipe_superblock handles zfs member"""
mock_swap.return_value = False
mock_block.sysfs_to_devpath.return_value = self.test_blockdev
mock_block.is_extended_partition.return_value = True
clear_holders.wipe_superblock(self.test_syspath)
self.assertFalse(mock_block.wipe_volume.called)
mock_block.is_extended_partition.return_value = False
mock_block.is_zfs_member.return_value = True
mock_zfs.zfs_supported.return_value = True
mock_zfs.device_to_poolname.return_value = 'fake_pool'
mock_zfs.zpool_list.return_value = ['fake_pool']
clear_holders.wipe_superblock(self.test_syspath)
mock_block.sysfs_to_devpath.assert_called_with(self.test_syspath)
mock_zfs.zpool_export.assert_called_with('fake_pool')
mock_block.wipe_volume.assert_called_with(self.test_blockdev,
exclusive=True,
mode='superblock')
def test_clear_holders_mp_enabled_not_active_wipes_dev(
self, mock_block, mock_log, m_time, mock_swap, mock_mpath, m_zfs):
"""wipe_superblock skips wiping multipath member path."""
mock_swap.return_value = False
mock_block.sysfs_to_devpath.return_value = self.test_blockdev
mock_block.is_extended_partition.return_value = False
mock_mpath.multipath_supported.return_value = True
mock_mpath.find_mpath_id_by_path.return_value = None
mock_block.get_blockdev_for_partition.return_value = (
self.test_blockdev, 1)
m_zfs.zfs_supported.return_value = False
mock_block.is_zfs_member.return_value = False
mock_block.get_sysfs_partitions.side_effect = iter([
['p1', 'p2'], # has partitions before wipe
['p1', 'p2'], # still has partitions after wipe
[], # partitions are now gone
])
clear_holders.wipe_superblock(self.test_syspath)
mock_block.sysfs_to_devpath.assert_called_with(self.test_syspath)
self.assertEqual(0, mock_block.wipe_volume.call_count)
def test_clear_holders_mp_disabled_wipes_dev(self, mock_block, mock_log,
m_time, mock_swap, mock_mpath,
m_zfs):
"""wipe_superblock wipes blockdev with multipath disabled."""
mock_swap.return_value = False
mock_block.sysfs_to_devpath.return_value = self.test_blockdev
mock_block.is_extended_partition.return_value = False
mock_mpath.multipath_supported.return_value = False
mock_block.get_blockdev_for_partition.return_value = (
self.test_blockdev, 1)
m_zfs.zfs_supported.return_value = False
mock_block.is_zfs_member.return_value = False
mock_block.get_sysfs_partitions.side_effect = iter([
['p1', 'p2'], # has partitions before wipe
['p1', 'p2'], # still has partitions after wipe
[], # partitions are now gone
])
clear_holders.wipe_superblock(self.test_syspath)
mock_block.sysfs_to_devpath.assert_called_with(self.test_syspath)
mock_block.wipe_volume.assert_called_with(self.test_blockdev,
exclusive=True,
mode='superblock')
