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.master.procedure;
019
020import static org.junit.Assert.assertTrue;
021
022import org.apache.hadoop.hbase.HBaseClassTestRule;
023import org.apache.hadoop.hbase.TableName;
024import org.apache.hadoop.hbase.TableNotDisabledException;
025import org.apache.hadoop.hbase.procedure2.Procedure;
026import org.apache.hadoop.hbase.procedure2.ProcedureExecutor;
027import org.apache.hadoop.hbase.procedure2.ProcedureTestingUtility;
028import org.apache.hadoop.hbase.testclassification.MasterTests;
029import org.apache.hadoop.hbase.testclassification.MediumTests;
030import org.apache.hadoop.hbase.util.Bytes;
031import org.junit.Assert;
032import org.junit.ClassRule;
033import org.junit.Rule;
034import org.junit.Test;
035import org.junit.experimental.categories.Category;
036import org.junit.rules.TestName;
037import org.slf4j.Logger;
038import org.slf4j.LoggerFactory;
039
040@Category({MasterTests.class, MediumTests.class})
041public class TestEnableTableProcedure extends TestTableDDLProcedureBase {
042
043  @ClassRule
044  public static final HBaseClassTestRule CLASS_RULE =
045      HBaseClassTestRule.forClass(TestEnableTableProcedure.class);
046
047  private static final Logger LOG = LoggerFactory.getLogger(TestEnableTableProcedure.class);
048  @Rule public TestName name = new TestName();
049
050  @Test
051  public void testEnableTable() throws Exception {
052    final TableName tableName = TableName.valueOf(name.getMethodName());
053    final ProcedureExecutor<MasterProcedureEnv> procExec = getMasterProcedureExecutor();
054
055    MasterProcedureTestingUtility.createTable(procExec, tableName, null, "f1", "f2");
056    UTIL.getAdmin().disableTable(tableName);
057
058    // Enable the table
059    long procId = procExec.submitProcedure(
060      new EnableTableProcedure(procExec.getEnvironment(), tableName, false));
061    // Wait the completion
062    ProcedureTestingUtility.waitProcedure(procExec, procId);
063    ProcedureTestingUtility.assertProcNotFailed(procExec, procId);
064    MasterProcedureTestingUtility.validateTableIsEnabled(getMaster(), tableName);
065  }
066
067  @Test(expected=TableNotDisabledException.class)
068  public void testEnableNonDisabledTable() throws Exception {
069    final TableName tableName = TableName.valueOf(name.getMethodName());
070    final ProcedureExecutor<MasterProcedureEnv> procExec = getMasterProcedureExecutor();
071
072    MasterProcedureTestingUtility.createTable(procExec, tableName, null, "f1", "f2");
073
074    // Enable the table - expect failure
075    long procId1 = procExec.submitProcedure(
076        new EnableTableProcedure(procExec.getEnvironment(), tableName, false));
077    ProcedureTestingUtility.waitProcedure(procExec, procId1);
078
079    Procedure<?> result = procExec.getResult(procId1);
080    assertTrue(result.isFailed());
081    LOG.debug("Enable failed with exception: " + result.getException());
082    assertTrue(
083      ProcedureTestingUtility.getExceptionCause(result) instanceof TableNotDisabledException);
084
085    // Enable the table with skipping table state check flag (simulate recovery scenario)
086    long procId2 = procExec.submitProcedure(
087        new EnableTableProcedure(procExec.getEnvironment(), tableName, true));
088    // Wait the completion
089    ProcedureTestingUtility.waitProcedure(procExec, procId2);
090    ProcedureTestingUtility.assertProcNotFailed(procExec, procId2);
091
092    // Enable the table - expect failure from ProcedurePrepareLatch
093    final ProcedurePrepareLatch prepareLatch = new ProcedurePrepareLatch.CompatibilityLatch();
094    long procId3 = procExec.submitProcedure(
095        new EnableTableProcedure(procExec.getEnvironment(), tableName, false, prepareLatch));
096    prepareLatch.await();
097    Assert.fail("Enable should throw exception through latch.");
098  }
099
100  @Test
101  public void testRecoveryAndDoubleExecution() throws Exception {
102    final TableName tableName = TableName.valueOf(name.getMethodName());
103    final ProcedureExecutor<MasterProcedureEnv> procExec = getMasterProcedureExecutor();
104
105    final byte[][] splitKeys = new byte[][] {
106      Bytes.toBytes("a"), Bytes.toBytes("b"), Bytes.toBytes("c")
107    };
108    MasterProcedureTestingUtility.createTable(procExec, tableName, splitKeys, "f1", "f2");
109    UTIL.getAdmin().disableTable(tableName);
110    ProcedureTestingUtility.waitNoProcedureRunning(procExec);
111    ProcedureTestingUtility.setKillAndToggleBeforeStoreUpdate(procExec, true);
112
113    // Start the Enable procedure && kill the executor
114    long procId = procExec.submitProcedure(
115        new EnableTableProcedure(procExec.getEnvironment(), tableName, false));
116
117    // Restart the executor and execute the step twice
118    MasterProcedureTestingUtility.testRecoveryAndDoubleExecution(procExec, procId);
119
120    MasterProcedureTestingUtility.validateTableIsEnabled(getMaster(), tableName);
121  }
122
123  @Test
124  public void testRollbackAndDoubleExecution() throws Exception {
125    final TableName tableName = TableName.valueOf(name.getMethodName());
126    final ProcedureExecutor<MasterProcedureEnv> procExec = getMasterProcedureExecutor();
127
128    final byte[][] splitKeys = new byte[][] {
129      Bytes.toBytes("a"), Bytes.toBytes("b"), Bytes.toBytes("c")
130    };
131    MasterProcedureTestingUtility.createTable(procExec, tableName, splitKeys, "f1", "f2");
132    UTIL.getAdmin().disableTable(tableName);
133    ProcedureTestingUtility.waitNoProcedureRunning(procExec);
134    ProcedureTestingUtility.setKillAndToggleBeforeStoreUpdate(procExec, true);
135
136    // Start the Enable procedure && kill the executor
137    long procId = procExec.submitProcedure(
138        new EnableTableProcedure(procExec.getEnvironment(), tableName, false));
139
140    int lastStep = 3; // fail before ENABLE_TABLE_SET_ENABLING_TABLE_STATE
141    MasterProcedureTestingUtility.testRollbackAndDoubleExecution(procExec, procId, lastStep);
142    MasterProcedureTestingUtility.validateTableIsDisabled(getMaster(), tableName);
143  }
144}