| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.apache.cassandra.db; |
| |
| import org.junit.Test; |
| |
| import org.apache.cassandra.Util; |
| import org.apache.cassandra.cql3.CQLTester; |
| import org.apache.cassandra.cql3.UntypedResultSet; |
| import org.apache.cassandra.io.filesystem.ListenableFileSystem; |
| import org.apache.cassandra.io.sstable.CorruptSSTableException; |
| import org.apache.cassandra.io.sstable.Descriptor; |
| import org.apache.cassandra.io.sstable.format.big.BigFormat; |
| import org.apache.cassandra.io.sstable.format.bti.BtiFormat; |
| import org.apache.cassandra.io.util.File; |
| |
| import static org.assertj.core.api.Assertions.assertThat; |
| import static org.assertj.core.api.Assertions.assertThatThrownBy; |
| |
| public class CorruptPrimaryIndexTest extends CQLTester.InMemory |
| { |
| protected ListenableFileSystem.PathFilter isCurrentTableIndexFile(String keyspace, String endsWith) |
| { |
| return path -> { |
| if (!path.getFileName().toString().endsWith(endsWith)) |
| return false; |
| Descriptor desc = Descriptor.fromFile(new File(path)); |
| if (!desc.ksname.equals(keyspace) && desc.cfname.equals(currentTable())) |
| return false; |
| return true; |
| }; |
| } |
| |
| @Test |
| public void bigPrimaryIndexDoesNotDetectDiskCorruption() |
| { |
| // Set listener early, before the file is opened; mmap access can not be listened to, so need to observe the open, which happens on flush |
| if (BigFormat.isSelected()) |
| { |
| fs.onPostRead(isCurrentTableIndexFile(keyspace(), "Index.db"), (path, channel, position, dst, read) -> { |
| // Reading the Primary index for the test! |
| // format |
| // 2 bytes: length of bytes for PK |
| // 4 bytes: pk as an int32 |
| // variable bytes (see org.apache.cassandra.io.sstable.format.big.RowIndexEntry.IndexSerializer.deserialize(org.apache.cassandra.io.util.FileDataInput)) |
| assertThat(position).describedAs("Unexpected access, should start read from start of file").isEqualTo(0); |
| |
| // simulate bit rot by having 1 byte change... but make sure it's the pk! |
| dst.put(2, Byte.MAX_VALUE); |
| }); |
| } |
| else if (BtiFormat.isSelected()) |
| { |
| fs.onPostRead(isCurrentTableIndexFile(keyspace(), "Partitions.db"), (path, channel, position, dst, read) -> { |
| // simulate bit rot by having 1 byte change... |
| // first read should be in the footer -- give it an invalid root position |
| // TODO: Change this to modify something in a more undetectable position in the file when checksumming is implemented |
| dst.put(2, Byte.MAX_VALUE); |
| }); |
| } |
| else |
| throw Util.testMustBeImplementedForSSTableFormat(); |
| |
| createTable("CREATE TABLE %s (id int PRIMARY KEY, value int)"); |
| execute("INSERT INTO %s (id, value) VALUES (?, ?)", 0, 0); |
| flush(); |
| |
| if (BigFormat.isSelected()) |
| { |
| UntypedResultSet rs = execute("SELECT * FROM %s WHERE id=?", 0); |
| // this assert check is here to get the test to be green... if the format is fixed and this data loss is not |
| // happening anymore, then this check should be updated |
| assertThatThrownBy(() -> assertRows(rs, row(0, 0))).hasMessage("Got less rows than expected. Expected 1 but got 0"); |
| } |
| else |
| { |
| assertThatThrownBy(() -> execute("SELECT * FROM %s WHERE id=?", 0)).isInstanceOf(CorruptSSTableException.class); |
| } |
| } |
| } |