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| 1 | +/** |
| 2 | + * Licensed to the Apache Software Foundation (ASF) under one |
| 3 | + * or more contributor license agreements. See the NOTICE file |
| 4 | + * distributed with this work for additional information |
| 5 | + * regarding copyright ownership. The ASF licenses this file |
| 6 | + * to you under the Apache License, Version 2.0 (the |
| 7 | + * "License"); you may not use this file except in compliance |
| 8 | + * with the License. You may obtain a copy of the License at |
| 9 | + * |
| 10 | + * http://www.apache.org/licenses/LICENSE-2.0 |
| 11 | + * |
| 12 | + * Unless required by applicable law or agreed to in writing, software |
| 13 | + * distributed under the License is distributed on an "AS IS" BASIS, |
| 14 | + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 15 | + * See the License for the specific language governing permissions and |
| 16 | + * limitations under the License. |
| 17 | + */ |
| 18 | +package org.apache.hadoop.hbase.regionserver.storefiletracker; |
| 19 | + |
| 20 | +import static org.junit.Assert.assertNull; |
| 21 | +import static org.junit.Assert.assertThrows; |
| 22 | +import static org.mockito.Mockito.mock; |
| 23 | +import static org.mockito.Mockito.when; |
| 24 | + |
| 25 | +import java.io.IOException; |
| 26 | +import org.apache.hadoop.fs.FSDataInputStream; |
| 27 | +import org.apache.hadoop.fs.FSDataOutputStream; |
| 28 | +import org.apache.hadoop.fs.FileStatus; |
| 29 | +import org.apache.hadoop.fs.FileSystem; |
| 30 | +import org.apache.hadoop.fs.Path; |
| 31 | +import org.apache.hadoop.hbase.HBaseClassTestRule; |
| 32 | +import org.apache.hadoop.hbase.HBaseCommonTestingUtility; |
| 33 | +import org.apache.hadoop.hbase.regionserver.HRegionFileSystem; |
| 34 | +import org.apache.hadoop.hbase.regionserver.StoreContext; |
| 35 | +import org.apache.hadoop.hbase.testclassification.RegionServerTests; |
| 36 | +import org.apache.hadoop.hbase.testclassification.SmallTests; |
| 37 | +import org.apache.hadoop.hbase.util.Bytes; |
| 38 | +import org.junit.AfterClass; |
| 39 | +import org.junit.Before; |
| 40 | +import org.junit.ClassRule; |
| 41 | +import org.junit.Rule; |
| 42 | +import org.junit.Test; |
| 43 | +import org.junit.experimental.categories.Category; |
| 44 | +import org.junit.rules.TestName; |
| 45 | +import org.slf4j.Logger; |
| 46 | +import org.slf4j.LoggerFactory; |
| 47 | + |
| 48 | +import org.apache.hbase.thirdparty.com.google.common.io.ByteStreams; |
| 49 | + |
| 50 | +import org.apache.hadoop.hbase.shaded.protobuf.generated.StoreFileTrackerProtos.StoreFileList; |
| 51 | + |
| 52 | +@Category({ RegionServerTests.class, SmallTests.class }) |
| 53 | +public class TestStoreFileListFile { |
| 54 | + |
| 55 | + @ClassRule |
| 56 | + public static final HBaseClassTestRule CLASS_RULE = |
| 57 | + HBaseClassTestRule.forClass(TestStoreFileListFile.class); |
| 58 | + |
| 59 | + private static final Logger LOG = LoggerFactory.getLogger(TestStoreFileListFile.class); |
| 60 | + |
| 61 | + private static final HBaseCommonTestingUtility UTIL = new HBaseCommonTestingUtility(); |
| 62 | + |
| 63 | + private Path testDir; |
| 64 | + |
| 65 | + private StoreFileListFile storeFileListFile; |
| 66 | + |
| 67 | + @Rule |
| 68 | + public TestName name = new TestName(); |
| 69 | + |
| 70 | + @Before |
| 71 | + public void setUp() throws IOException { |
| 72 | + testDir = UTIL.getDataTestDir(name.getMethodName()); |
| 73 | + HRegionFileSystem hfs = mock(HRegionFileSystem.class); |
| 74 | + when(hfs.getFileSystem()).thenReturn(FileSystem.get(UTIL.getConfiguration())); |
| 75 | + StoreContext ctx = StoreContext.getBuilder().withFamilyStoreDirectoryPath(testDir) |
| 76 | + .withRegionFileSystem(hfs).build(); |
| 77 | + storeFileListFile = new StoreFileListFile(ctx); |
| 78 | + } |
| 79 | + |
| 80 | + @AfterClass |
| 81 | + public static void tearDown() { |
| 82 | + UTIL.cleanupTestDir(); |
| 83 | + } |
| 84 | + |
| 85 | + @Test |
| 86 | + public void testEmptyLoad() throws IOException { |
| 87 | + assertNull(storeFileListFile.load()); |
| 88 | + } |
| 89 | + |
| 90 | + private FileStatus getOnlyTrackerFile(FileSystem fs) throws IOException { |
| 91 | + return fs.listStatus(new Path(testDir, StoreFileListFile.TRACK_FILE_DIR))[0]; |
| 92 | + } |
| 93 | + |
| 94 | + private byte[] readAll(FileSystem fs, Path file) throws IOException { |
| 95 | + try (FSDataInputStream in = fs.open(file)) { |
| 96 | + return ByteStreams.toByteArray(in); |
| 97 | + } |
| 98 | + } |
| 99 | + |
| 100 | + private void write(FileSystem fs, Path file, byte[] buf, int off, int len) throws IOException { |
| 101 | + try (FSDataOutputStream out = fs.create(file, true)) { |
| 102 | + out.write(buf, off, len); |
| 103 | + } |
| 104 | + } |
| 105 | + |
| 106 | + @Test |
| 107 | + public void testLoadPartial() throws IOException { |
| 108 | + StoreFileList.Builder builder = StoreFileList.newBuilder(); |
| 109 | + storeFileListFile.update(builder); |
| 110 | + FileSystem fs = FileSystem.get(UTIL.getConfiguration()); |
| 111 | + FileStatus trackerFileStatus = getOnlyTrackerFile(fs); |
| 112 | + // truncate it so we do not have enough data |
| 113 | + LOG.info("Truncate file {} with size {} to {}", trackerFileStatus.getPath(), |
| 114 | + trackerFileStatus.getLen(), trackerFileStatus.getLen() / 2); |
| 115 | + byte[] content = readAll(fs, trackerFileStatus.getPath()); |
| 116 | + write(fs, trackerFileStatus.getPath(), content, 0, content.length / 2); |
| 117 | + assertNull(storeFileListFile.load()); |
| 118 | + } |
| 119 | + |
| 120 | + private void writeInt(byte[] buf, int off, int value) { |
| 121 | + byte[] b = Bytes.toBytes(value); |
| 122 | + for (int i = 0; i < 4; i++) { |
| 123 | + buf[off + i] = b[i]; |
| 124 | + } |
| 125 | + } |
| 126 | + |
| 127 | + @Test |
| 128 | + public void testZeroFileLength() throws IOException { |
| 129 | + StoreFileList.Builder builder = StoreFileList.newBuilder(); |
| 130 | + storeFileListFile.update(builder); |
| 131 | + FileSystem fs = FileSystem.get(UTIL.getConfiguration()); |
| 132 | + FileStatus trackerFileStatus = getOnlyTrackerFile(fs); |
| 133 | + // write a zero length |
| 134 | + byte[] content = readAll(fs, trackerFileStatus.getPath()); |
| 135 | + writeInt(content, 0, 0); |
| 136 | + write(fs, trackerFileStatus.getPath(), content, 0, content.length); |
| 137 | + assertThrows(IOException.class, () -> storeFileListFile.load()); |
| 138 | + } |
| 139 | + |
| 140 | + @Test |
| 141 | + public void testBigFileLength() throws IOException { |
| 142 | + StoreFileList.Builder builder = StoreFileList.newBuilder(); |
| 143 | + storeFileListFile.update(builder); |
| 144 | + FileSystem fs = FileSystem.get(UTIL.getConfiguration()); |
| 145 | + FileStatus trackerFileStatus = getOnlyTrackerFile(fs); |
| 146 | + // write a large length |
| 147 | + byte[] content = readAll(fs, trackerFileStatus.getPath()); |
| 148 | + writeInt(content, 0, 128 * 1024 * 1024); |
| 149 | + write(fs, trackerFileStatus.getPath(), content, 0, content.length); |
| 150 | + assertThrows(IOException.class, () -> storeFileListFile.load()); |
| 151 | + } |
| 152 | + |
| 153 | + @Test |
| 154 | + public void testChecksumMismatch() throws IOException { |
| 155 | + StoreFileList.Builder builder = StoreFileList.newBuilder(); |
| 156 | + storeFileListFile.update(builder); |
| 157 | + FileSystem fs = FileSystem.get(UTIL.getConfiguration()); |
| 158 | + FileStatus trackerFileStatus = getOnlyTrackerFile(fs); |
| 159 | + // flip one byte |
| 160 | + byte[] content = readAll(fs, trackerFileStatus.getPath()); |
| 161 | + content[5] = (byte) ~content[5]; |
| 162 | + write(fs, trackerFileStatus.getPath(), content, 0, content.length); |
| 163 | + assertThrows(IOException.class, () -> storeFileListFile.load()); |
| 164 | + } |
| 165 | +} |
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