hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestCleanupMetaWAL.java

   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;
  19
  20 import org.apache.hadoop.fs.FileStatus;
  21 import org.apache.hadoop.fs.Path;
  22 import org.apache.hadoop.hbase.HBaseClassTestRule;
  23 import org.apache.hadoop.hbase.HBaseTestingUtility;
  24 import org.apache.hadoop.hbase.HConstants;
  25 import org.apache.hadoop.hbase.TableName;
  26 import org.apache.hadoop.hbase.client.RegionInfoBuilder;
  27 import org.apache.hadoop.hbase.master.MasterFileSystem;
  28 import org.apache.hadoop.hbase.master.procedure.ServerCrashProcedure;
  29 import org.apache.hadoop.hbase.testclassification.MediumTests;
  30 import org.apache.hadoop.hbase.util.FSUtils;
  31 import org.junit.AfterClass;
  32 import org.junit.BeforeClass;
  33 import org.junit.ClassRule;
  34 import org.junit.Test;
  35 import org.junit.experimental.categories.Category;
  36 import org.slf4j.Logger;
  37 import org.slf4j.LoggerFactory;
  38
  39 import static org.apache.hadoop.hbase.wal.AbstractFSWALProvider.SPLITTING_EXT;
  40 import static org.junit.Assert.fail;
  41
  42 @Category(MediumTests.class)
  43 public class TestCleanupMetaWAL {
  44   private static final Logger LOG = LoggerFactory.getLogger(TestCleanupMetaWAL.class);
  45
  46   private final static HBaseTestingUtility TEST_UTIL = new HBaseTestingUtility();
  47
  48   @ClassRule
  49   public static final HBaseClassTestRule CLASS_RULE =
  50       HBaseClassTestRule.forClass(TestCleanupMetaWAL.class);
  51
  52   @BeforeClass
  53   public static void before() throws Exception {
  54     TEST_UTIL.startMiniCluster(2);
  55   }
  56
  57   @AfterClass
  58   public static void after() throws Exception {
  59     TEST_UTIL.shutdownMiniZKCluster();
  60   }
  61
  62   @Test
  63   public void testCleanupMetaWAL() throws Exception {
  64     TEST_UTIL.createTable(TableName.valueOf("test"), "cf");
  65     HRegionServer serverWithMeta = TEST_UTIL.getMiniHBaseCluster()
  66         .getRegionServer(TEST_UTIL.getMiniHBaseCluster().getServerWithMeta());
  67     TEST_UTIL.getAdmin()
  68         .move(RegionInfoBuilder.FIRST_META_REGIONINFO.getEncodedNameAsBytes());
  69     LOG.info("KILL");
  70     TEST_UTIL.getMiniHBaseCluster().killRegionServer(serverWithMeta.getServerName());
  71     LOG.info("WAIT");
  72     TEST_UTIL.waitFor(30000, () ->
  73         TEST_UTIL.getMiniHBaseCluster().getMaster().getProcedures().stream()
  74             .filter(p -> p instanceof ServerCrashProcedure && p.isFinished()).count() > 0);
  75     LOG.info("DONE WAITING");
  76     MasterFileSystem fs = TEST_UTIL.getMiniHBaseCluster().getMaster().getMasterFileSystem();
  77     Path walPath = new Path(fs.getWALRootDir(), HConstants.HREGION_LOGDIR_NAME);
  78     for (FileStatus status : FSUtils.listStatus(fs.getFileSystem(), walPath)) {
  79       if (status.getPath().toString().contains(SPLITTING_EXT)) {
  80         fail("Should not have splitting wal dir here:" + status);
  81       }
  82     }
  83   }
  84 }