| /* |
| * 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.hbase; |
| |
| import static org.junit.Assert.assertEquals; |
| |
| import java.io.ByteArrayInputStream; |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.Map; |
| |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.fs.FSDataInputStream; |
| import org.apache.hadoop.fs.FSInputStream; |
| import org.apache.hadoop.fs.FileStatus; |
| import org.apache.hadoop.fs.FileSystem; |
| import org.apache.hadoop.fs.Path; |
| import org.apache.hadoop.hbase.Cell; |
| import org.apache.hadoop.hbase.CellBuilderFactory; |
| import org.apache.hadoop.hbase.CellBuilderType; |
| import org.apache.hadoop.hbase.HBaseConfiguration; |
| import org.apache.hadoop.hbase.HConstants; |
| import org.apache.hadoop.hbase.TableName; |
| import org.apache.hadoop.hbase.client.Connection; |
| import org.apache.hadoop.hbase.client.Put; |
| import org.apache.hadoop.hbase.client.RegionInfo; |
| import org.apache.hadoop.hbase.client.RegionInfoBuilder; |
| import org.apache.hadoop.hbase.client.Result; |
| import org.apache.hadoop.hbase.client.ResultScanner; |
| import org.apache.hadoop.hbase.client.Scan; |
| import org.apache.hadoop.hbase.client.Table; |
| import org.apache.hadoop.hbase.client.TableState; |
| import org.apache.hadoop.hbase.util.Bytes; |
| |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.mockito.Mockito; |
| |
| import org.apache.hadoop.hbase.shaded.protobuf.ProtobufUtil; |
| import org.apache.hadoop.hbase.shaded.protobuf.generated.HBaseProtos; |
| |
| public class TestFsRegionsMetaRecoverer { |
| private Connection mockedConnection; |
| private FileSystem mockedFileSystem; |
| private Table mockedTable; |
| private FsRegionsMetaRecoverer fixer; |
| private String testTblDir; |
| |
| @Before |
| public void setup() throws Exception { |
| this.mockedConnection = Mockito.mock(Connection.class); |
| this.mockedFileSystem = Mockito.mock(FileSystem.class); |
| this.mockedTable = Mockito.mock(Table.class); |
| Configuration config = HBaseConfiguration.create(); |
| Mockito.when(this.mockedConnection.getConfiguration()).thenReturn(config); |
| Mockito.when(this.mockedConnection.getTable(TableName.META_TABLE_NAME)).thenReturn(mockedTable); |
| this.testTblDir = config.get(HConstants.HBASE_DIR) + "/data/default/test-tbl"; |
| this.fixer = new FsRegionsMetaRecoverer(config, mockedConnection, mockedFileSystem); |
| } |
| |
| private RegionInfo createRegionInfo(String table){ |
| long regionTS = System.currentTimeMillis(); |
| RegionInfo info = RegionInfoBuilder.newBuilder(TableName.valueOf(table)) |
| .setRegionId(regionTS) |
| .build(); |
| return info; |
| } |
| |
| private Cell createCellForRegionInfo(RegionInfo info){ |
| byte[] regionInfoValue = ProtobufUtil.prependPBMagic(ProtobufUtil.toRegionInfo(info) |
| .toByteArray()); |
| Cell cell = CellBuilderFactory.create(CellBuilderType.SHALLOW_COPY) |
| .setRow(info.getRegionName()) |
| .setFamily(Bytes.toBytes("info")) |
| .setQualifier(Bytes.toBytes("regioninfo")) |
| .setType(Cell.Type.Put) |
| .setValue(regionInfoValue) |
| .build(); |
| return cell; |
| } |
| |
| private Cell createCellForTableState(TableName tableName){ |
| Cell cell = CellBuilderFactory.create(CellBuilderType.SHALLOW_COPY) |
| .setRow(tableName.getName()) |
| .setFamily(Bytes.toBytes("table")) |
| .setQualifier(Bytes.toBytes("state")) |
| .setType(Cell.Type.Put) |
| .setValue(HBaseProtos.TableState.newBuilder() |
| .setState(TableState.State.ENABLED.convert()).build().toByteArray()) |
| .build(); |
| return cell; |
| } |
| |
| @Test |
| public void testFindMissingRegionsInMETANoMissing() throws Exception { |
| ResultScanner mockedRS = Mockito.mock(ResultScanner.class); |
| Mockito.when(this.mockedTable.getScanner(Mockito.any(Scan.class))).thenReturn(mockedRS); |
| RegionInfo info = createRegionInfo("test-tbl"); |
| List<Cell> cells = new ArrayList<>(); |
| cells.add(createCellForRegionInfo(info)); |
| Result result = Result.create(cells); |
| Mockito.when(mockedRS.next()).thenReturn(result,(Result)null); |
| FileStatus status = new FileStatus(); |
| status.setPath(new Path(this.testTblDir + "/" + info.getEncodedName())); |
| Mockito.when(mockedFileSystem.listStatus(new Path(this.testTblDir))) |
| .thenReturn(new FileStatus[]{status}); |
| assertEquals("Should had returned 0 missing regions", |
| 0, fixer.findMissingRegionsInMETA("test-tbl").size()); |
| } |
| |
| @Test |
| public void testFindMissingRegionsInMETAOneMissing() throws Exception { |
| ResultScanner mockedRS = Mockito.mock(ResultScanner.class); |
| Mockito.when(this.mockedTable.getScanner(Mockito.any(Scan.class))).thenReturn(mockedRS); |
| List<Cell> cells = new ArrayList<>(); |
| Result result = Result.create(cells); |
| Mockito.when(mockedRS.next()).thenReturn(result,(Result)null); |
| Path p = new Path(this.testTblDir+ "/182182182121"); |
| FileStatus status = new FileStatus(0, true, 0, 0,0, p); |
| Mockito.when(mockedFileSystem.listStatus(new Path(this.testTblDir))) |
| .thenReturn(new FileStatus[]{status}); |
| List<Path> missingRegions = fixer.findMissingRegionsInMETA("test-tbl"); |
| assertEquals("Should had returned 1 missing region", |
| 1, missingRegions.size()); |
| assertEquals(p,missingRegions.get(0)); |
| } |
| |
| @Test |
| public void testPutRegionInfoFromHdfsInMeta() throws Exception { |
| RegionInfo info = this.createRegionInfo("test-tbl"); |
| Path regionPath = new Path("/hbase/data/default/test-tbl/" + info.getEncodedName()); |
| FSDataInputStream fis = new FSDataInputStream(new TestInputStreamSeekable(info)); |
| Mockito.when(this.mockedFileSystem.open(new Path(regionPath, ".regioninfo"))) |
| .thenReturn(fis); |
| fixer.putRegionInfoFromHdfsInMeta(regionPath); |
| Mockito.verify(this.mockedConnection).getTable(TableName.META_TABLE_NAME); |
| Mockito.verify(this.mockedTable).put(Mockito.any(Put.class)); |
| } |
| |
| @Test |
| public void testReportTablesMissingRegionsOneMissing() throws Exception { |
| ResultScanner mockedRS = Mockito.mock(ResultScanner.class); |
| Mockito.when(this.mockedTable.getScanner(Mockito.any(Scan.class))).thenReturn(mockedRS); |
| List<Cell> cells = new ArrayList<>(); |
| cells.add(createCellForTableState(TableName.valueOf("test-tbl"))); |
| Result result = Result.create(cells); |
| Mockito.when(mockedRS.next()).thenReturn(result,(Result)null); |
| FileStatus status = new FileStatus(); |
| Path p = new Path(this.testTblDir+ "/182182182121"); |
| status.setPath(p); |
| Mockito.when(mockedFileSystem.listStatus(new Path(this.testTblDir))) |
| .thenReturn(new FileStatus[]{status}); |
| Mockito.when(this.mockedConnection.getTable(TableName.META_TABLE_NAME)) |
| .thenReturn(this.mockedTable); |
| Map<TableName, List<Path>> report = fixer.reportTablesMissingRegions(null); |
| assertEquals("Should had returned 1 missing region", |
| 1,report.size()); |
| } |
| |
| private static final class TestInputStreamSeekable extends FSInputStream { |
| private ByteArrayInputStream in; |
| private long length; |
| |
| private TestInputStreamSeekable(RegionInfo info) throws Exception { |
| byte[] bytes = RegionInfo.toDelimitedByteArray(info); |
| this.length = bytes.length; |
| this.in = new ByteArrayInputStream(bytes); |
| } |
| |
| @Override |
| public void seek(long l) { |
| this.in.skip(l); |
| } |
| |
| @Override |
| public long getPos() { |
| return this.length - in.available(); |
| } |
| |
| @Override |
| public boolean seekToNewSource(long l) { |
| this.in.skip(l); |
| return true; |
| } |
| |
| @Override |
| public int read() { |
| return in.read(); |
| } |
| } |
| } |