001/*
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements.  See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership.  The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License.  You may obtain a copy of the License at
009 *
010 *     http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018package org.apache.hadoop.hbase.regionserver;
019
020import static org.apache.hadoop.hbase.wal.AbstractFSWALProvider.SPLITTING_EXT;
021import static org.junit.jupiter.api.Assertions.fail;
022
023import org.apache.hadoop.fs.FileStatus;
024import org.apache.hadoop.fs.Path;
025import org.apache.hadoop.hbase.HBaseTestingUtil;
026import org.apache.hadoop.hbase.HConstants;
027import org.apache.hadoop.hbase.TableName;
028import org.apache.hadoop.hbase.client.RegionInfoBuilder;
029import org.apache.hadoop.hbase.master.MasterFileSystem;
030import org.apache.hadoop.hbase.master.procedure.ServerCrashProcedure;
031import org.apache.hadoop.hbase.testclassification.MediumTests;
032import org.apache.hadoop.hbase.util.CommonFSUtils;
033import org.junit.jupiter.api.AfterAll;
034import org.junit.jupiter.api.BeforeAll;
035import org.junit.jupiter.api.Tag;
036import org.junit.jupiter.api.Test;
037import org.slf4j.Logger;
038import org.slf4j.LoggerFactory;
039
040@Tag(MediumTests.TAG)
041public class TestCleanupMetaWAL {
042
043  private static final Logger LOG = LoggerFactory.getLogger(TestCleanupMetaWAL.class);
044
045  private final static HBaseTestingUtil TEST_UTIL = new HBaseTestingUtil();
046
047  @BeforeAll
048  public static void before() throws Exception {
049    TEST_UTIL.startMiniCluster(2);
050  }
051
052  @AfterAll
053  public static void after() throws Exception {
054    TEST_UTIL.shutdownMiniCluster();
055  }
056
057  @Test
058  public void testCleanupMetaWAL() throws Exception {
059    TEST_UTIL.createTable(TableName.valueOf("test"), "cf");
060    HRegionServer serverWithMeta = TEST_UTIL.getMiniHBaseCluster()
061      .getRegionServer(TEST_UTIL.getMiniHBaseCluster().getServerWithMeta());
062    TEST_UTIL.getAdmin().move(RegionInfoBuilder.FIRST_META_REGIONINFO.getEncodedNameAsBytes());
063    LOG.info("KILL");
064    TEST_UTIL.getMiniHBaseCluster().killRegionServer(serverWithMeta.getServerName());
065    LOG.info("WAIT");
066    TEST_UTIL.waitFor(30000, () -> TEST_UTIL.getMiniHBaseCluster().getMaster().getProcedures()
067      .stream().filter(p -> p instanceof ServerCrashProcedure && p.isFinished()).count() > 0);
068    LOG.info("DONE WAITING");
069    MasterFileSystem fs = TEST_UTIL.getMiniHBaseCluster().getMaster().getMasterFileSystem();
070    Path walPath = new Path(fs.getWALRootDir(), HConstants.HREGION_LOGDIR_NAME);
071    for (FileStatus status : CommonFSUtils.listStatus(fs.getFileSystem(), walPath)) {
072      if (status.getPath().toString().contains(SPLITTING_EXT)) {
073        fail("Splitting WAL dir should have been cleaned up: " + status);
074      }
075    }
076  }
077}