def test_recover_one_journal_success_active(
self,
mocklock,
mocklog,
mockPoolHelper,
mock_vhdutil_set_parent,
mockMetabase):
# Setup some mocks
callbacks = mock.MagicMock()
mockDB = mock.MagicMock()
mockMetabase.return_value = mockDB
mockDB.write_context.side_effect = test_context
# This is the leaf VHD
leaf_vhd = VHD(
4,
3,
0,
10*1024,
10*1024
)
mockDB.get_children.side_effect = [
[leaf_vhd],
[]
]
mockDB.get_vhd_by_id.side_effect = [leaf_vhd]
# This is the VDI for the leaf VHD
mockDB.get_vdi_for_vhd.return_value = VDI("1", "VDI1", "", "Host1", None, leaf_vhd)
mockDB.add_refresh_entries.side_effect = [
[ Refresh(4, 4) ]
]
mockDB.get_journal_entries.side_effect = [
[ Journal(4, 3, 2) ]
]
coalesce.recover_journal("test-uri", callbacks)
self.assertEquals(1, mockDB.get_journal_entries.call_count)
mock_vhdutil_set_parent.assert_called()
mockDB.update_vhd_parent.assert_called_with(4, 2)
mockDB.add_refresh_entries.assert_has_calls([mock.call(4, [leaf_vhd])])
self.assertEquals(1, mockDB.add_refresh_entries.call_count)
mockDB.remove_journal_entry.assert_has_calls([mock.call(4)])
self.assertEquals(1, mockDB.remove_journal_entry.call_count)
mockDB.remove_refresh_entry.assert_has_calls([mock.call(4)])
self.assertEquals(1, mockDB.remove_refresh_entry.call_count)
mockPoolHelper.suspend_datapath_on_host.assert_not_called()
mockPoolHelper.resume_datapath_on_host.assert_not_called()
mockPoolHelper.refresh_datapath_on_host.assert_called_with("GC", "Host1", mock.ANY, mock.ANY)
def test_recover_noop_success(self, mocklock, mockPoolHelper, mockMetabase):
# Setup some mocks
callbacks = mock.MagicMock()
mockDB = mock.MagicMock()
mockMetabase.return_value = mockDB
mockDB.write_context.side_effect = test_context
mockDB.get_refresh_entries.side_effect = [ [] ]
coalesce.recover_journal("test-uri", callbacks)
self.assertEquals(1, mockDB.get_refresh_entries.call_count)
mockPoolHelper.suspend_datapath_on_host.assert_not_called()
mockPoolHelper.resume_datapath_on_host.assert_not_called()
mockPoolHelper.refresh_datapath_on_host.assert_not_called()
def test_recover_one_refresh_vdi_missing_success(
self,
mocklock,
mocklog,
mockPoolHelper,
mockMetabase):
""" This allows for a VDI to have been deleted in the period between
a coalesce abort and the recovery operation picking up the pieces.
"""
# Setup some mocks
callbacks = mock.MagicMock()
mockDB = mock.MagicMock()
mockMetabase.return_value = mockDB
mockDB.write_context.side_effect = test_context
mockDB.get_refresh_entries.side_effect = [ [ Refresh(4, 4) ] ]
# This is the leaf VHD
leaf_vhd = VHD(
4,
3,
0,
10*1024,
10*1024
)
# This is the VDI for the leaf VHD
mockDB.get_vdi_for_vhd.return_value = None
coalesce.recover_journal("test-uri", callbacks)
self.assertEquals(1, mockDB.get_refresh_entries.call_count)
mockDB.remove_refresh_entry.assert_has_calls([mock.call(4)])
self.assertEquals(1, mockDB.remove_refresh_entry.call_count)
mockPoolHelper.suspend_datapath_on_host.assert_not_called()
mockPoolHelper.resume_datapath_on_host.assert_not_called()
mockPoolHelper.refresh_datapath_on_host.assert_not_called()
