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.Assert.fail;
022
023import org.apache.hadoop.fs.FileStatus;
024import org.apache.hadoop.fs.Path;
025import org.apache.hadoop.hbase.HBaseClassTestRule;
026import org.apache.hadoop.hbase.HBaseTestingUtility;
027import org.apache.hadoop.hbase.HConstants;
028import org.apache.hadoop.hbase.TableName;
029import org.apache.hadoop.hbase.client.RegionInfoBuilder;
030import org.apache.hadoop.hbase.master.MasterFileSystem;
031import org.apache.hadoop.hbase.master.procedure.ServerCrashProcedure;
032import org.apache.hadoop.hbase.testclassification.MediumTests;
033import org.apache.hadoop.hbase.util.CommonFSUtils;
034import org.junit.AfterClass;
035import org.junit.BeforeClass;
036import org.junit.ClassRule;
037import org.junit.Test;
038import org.junit.experimental.categories.Category;
039import org.slf4j.Logger;
040import org.slf4j.LoggerFactory;
041
042@Category(MediumTests.class)
043public class TestCleanupMetaWAL {
044  private static final Logger LOG = LoggerFactory.getLogger(TestCleanupMetaWAL.class);
045
046  private final static HBaseTestingUtility TEST_UTIL = new HBaseTestingUtility();
047
048  @ClassRule
049  public static final HBaseClassTestRule CLASS_RULE =
050    HBaseClassTestRule.forClass(TestCleanupMetaWAL.class);
051
052  @BeforeClass
053  public static void before() throws Exception {
054    TEST_UTIL.startMiniCluster(2);
055  }
056
057  @AfterClass
058  public static void after() throws Exception {
059    TEST_UTIL.shutdownMiniZKCluster();
060  }
061
062  @Test
063  public void testCleanupMetaWAL() throws Exception {
064    TEST_UTIL.createTable(TableName.valueOf("test"), "cf");
065    HRegionServer serverWithMeta = TEST_UTIL.getMiniHBaseCluster()
066      .getRegionServer(TEST_UTIL.getMiniHBaseCluster().getServerWithMeta());
067    TEST_UTIL.getAdmin().move(RegionInfoBuilder.FIRST_META_REGIONINFO.getEncodedNameAsBytes());
068    LOG.info("KILL");
069    TEST_UTIL.getMiniHBaseCluster().killRegionServer(serverWithMeta.getServerName());
070    LOG.info("WAIT");
071    TEST_UTIL.waitFor(30000, () -> TEST_UTIL.getMiniHBaseCluster().getMaster().getProcedures()
072      .stream().filter(p -> p instanceof ServerCrashProcedure && p.isFinished()).count() > 0);
073    LOG.info("DONE WAITING");
074    MasterFileSystem fs = TEST_UTIL.getMiniHBaseCluster().getMaster().getMasterFileSystem();
075    Path walPath = new Path(fs.getWALRootDir(), HConstants.HREGION_LOGDIR_NAME);
076    for (FileStatus status : CommonFSUtils.listStatus(fs.getFileSystem(), walPath)) {
077      if (status.getPath().toString().contains(SPLITTING_EXT)) {
078        fail("Splitting WAL dir should have been cleaned up: " + status);
079      }
080    }
081  }
082}