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.quotas;
019
020import java.util.List;
021import java.util.Map;
022import java.util.concurrent.atomic.AtomicLong;
023import org.apache.hadoop.conf.Configuration;
024import org.apache.hadoop.hbase.HBaseClassTestRule;
025import org.apache.hadoop.hbase.HBaseTestingUtility;
026import org.apache.hadoop.hbase.MetaTableAccessor;
027import org.apache.hadoop.hbase.TableName;
028import org.apache.hadoop.hbase.Waiter;
029import org.apache.hadoop.hbase.client.Put;
030import org.apache.hadoop.hbase.client.RegionInfo;
031import org.apache.hadoop.hbase.master.HMaster;
032import org.apache.hadoop.hbase.testclassification.LargeTests;
033import org.apache.hadoop.hbase.util.Bytes;
034import org.junit.AfterClass;
035import org.junit.Assert;
036import org.junit.Before;
037import org.junit.BeforeClass;
038import org.junit.ClassRule;
039import org.junit.Rule;
040import org.junit.Test;
041import org.junit.experimental.categories.Category;
042import org.junit.rules.TestName;
043import org.slf4j.Logger;
044import org.slf4j.LoggerFactory;
045
046@Category(LargeTests.class)
047public class TestSpaceQuotaDropTable {
048
049  @ClassRule
050  public static final HBaseClassTestRule CLASS_RULE =
051    HBaseClassTestRule.forClass(TestSpaceQuotaDropTable.class);
052
053  private static final Logger LOG = LoggerFactory.getLogger(TestSpaceQuotaDropTable.class);
054  private static final HBaseTestingUtility TEST_UTIL = new HBaseTestingUtility();
055
056  @Rule
057  public TestName testName = new TestName();
058  private SpaceQuotaHelperForTests helper;
059
060  @BeforeClass
061  public static void setUp() throws Exception {
062    Configuration conf = TEST_UTIL.getConfiguration();
063    SpaceQuotaHelperForTests.updateConfigForQuotas(conf);
064    TEST_UTIL.startMiniCluster(1);
065  }
066
067  @AfterClass
068  public static void tearDown() throws Exception {
069    TEST_UTIL.shutdownMiniCluster();
070  }
071
072  @Before
073  public void removeAllQuotas() throws Exception {
074    helper = new SpaceQuotaHelperForTests(TEST_UTIL, testName, new AtomicLong(0));
075    helper.removeAllQuotas();
076  }
077
078  @Test
079  public void testSetQuotaAndThenDropTableWithNoInserts() throws Exception {
080    setQuotaAndThenDropTable(SpaceViolationPolicy.NO_INSERTS);
081  }
082
083  @Test
084  public void testSetQuotaAndThenDropTableWithNoWrite() throws Exception {
085    setQuotaAndThenDropTable(SpaceViolationPolicy.NO_WRITES);
086  }
087
088  @Test
089  public void testSetQuotaAndThenDropTableWithNoWritesCompactions() throws Exception {
090    setQuotaAndThenDropTable(SpaceViolationPolicy.NO_WRITES_COMPACTIONS);
091  }
092
093  @Test
094  public void testSetQuotaAndThenDropTableWithDisable() throws Exception {
095    setQuotaAndThenDropTable(SpaceViolationPolicy.DISABLE);
096  }
097
098  @Test
099  public void testSetQuotaAndThenDropTableWithRegionReport() throws Exception {
100    final TableName tn = helper.createTable();
101    helper.setQuotaLimit(tn, SpaceViolationPolicy.NO_INSERTS, 1L);
102    helper.writeData(tn, 2L);
103
104    final HMaster master = TEST_UTIL.getMiniHBaseCluster().getMaster();
105    final MasterQuotaManager quotaManager = master.getMasterQuotaManager();
106
107    // Make sure the master has report for the table.
108    Waiter.waitFor(TEST_UTIL.getConfiguration(), 30 * 1000, new Waiter.Predicate<Exception>() {
109      @Override
110      public boolean evaluate() throws Exception {
111        Map<RegionInfo, Long> regionSizes = quotaManager.snapshotRegionSizes();
112        List<RegionInfo> tableRegions =
113          MetaTableAccessor.getTableRegions(TEST_UTIL.getConnection(), tn);
114        return regionSizes.containsKey(tableRegions.get(0));
115      }
116    });
117
118    boolean hasRegionSize = false;
119
120    // region report should be present before dropping the table.
121    for (Map.Entry<RegionInfo, Long> entry : quotaManager.snapshotRegionSizes().entrySet()) {
122      if (entry.getKey().getTable().equals(tn)) {
123        hasRegionSize = true;
124        break;
125      }
126    }
127
128    // regionSize report for the given table should be present before dropping the table.
129    Assert.assertTrue(hasRegionSize);
130
131    // drop the table
132    TEST_UTIL.getAdmin().disableTable(tn);
133    TEST_UTIL.getAdmin().deleteTable(tn);
134
135    // check if deleted table region report still present in the map.
136    for (Map.Entry<RegionInfo, Long> entry : quotaManager.snapshotRegionSizes().entrySet()) {
137      if (entry.getKey().getTable().equals(tn)) {
138        Assert.fail("Dropped table regionSizes were not deleted during the drop command");
139      }
140    }
141  }
142
143  private void setQuotaAndThenDropTable(SpaceViolationPolicy policy) throws Exception {
144    Put put = new Put(Bytes.toBytes("to_reject"));
145    put.addColumn(Bytes.toBytes(SpaceQuotaHelperForTests.F1), Bytes.toBytes("to"),
146      Bytes.toBytes("reject"));
147
148    // Do puts until we violate space policy
149    final TableName tn = helper.writeUntilViolationAndVerifyViolation(policy, put);
150
151    // Now, drop the table
152    TEST_UTIL.deleteTable(tn);
153    LOG.debug("Successfully deleted table ", tn);
154
155    // Now re-create the table
156    TEST_UTIL.createTable(tn, Bytes.toBytes(SpaceQuotaHelperForTests.F1));
157    LOG.debug("Successfully re-created table ", tn);
158
159    // Put some rows now: should not violate as table/quota was dropped
160    helper.verifyNoViolation(tn, put);
161  }
162}