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.replication;
019
020import static org.junit.jupiter.api.Assertions.assertEquals;
021
022import java.io.IOException;
023import java.io.UncheckedIOException;
024import org.apache.hadoop.hbase.master.HMaster;
025import org.apache.hadoop.hbase.master.procedure.MasterProcedureConstants;
026import org.apache.hadoop.hbase.master.procedure.MasterProcedureEnv;
027import org.apache.hadoop.hbase.master.procedure.MasterProcedureTestingUtility;
028import org.apache.hadoop.hbase.procedure2.Procedure;
029import org.apache.hadoop.hbase.procedure2.ProcedureExecutor;
030import org.apache.hadoop.hbase.procedure2.ProcedureTestingUtility;
031import org.apache.hadoop.hbase.replication.SyncReplicationState;
032import org.apache.hadoop.hbase.replication.SyncReplicationTestBase;
033import org.apache.hadoop.hbase.testclassification.LargeTests;
034import org.apache.hadoop.hbase.testclassification.MasterTests;
035import org.junit.jupiter.api.BeforeAll;
036import org.junit.jupiter.api.Tag;
037import org.junit.jupiter.api.Test;
038
039@Tag(MasterTests.TAG)
040@Tag(LargeTests.TAG)
041public class TestTransitPeerSyncReplicationStateProcedureRetry extends SyncReplicationTestBase {
042
043  @BeforeAll
044  public static void setUp() throws Exception {
045    UTIL2.getConfiguration().setInt(MasterProcedureConstants.MASTER_PROCEDURE_THREADS, 1);
046    SyncReplicationTestBase.setUp();
047  }
048
049  @Test
050  public void testRecoveryAndDoubleExecution() throws Exception {
051    UTIL2.getAdmin().transitReplicationPeerSyncReplicationState(PEER_ID,
052      SyncReplicationState.STANDBY);
053    UTIL1.getAdmin().transitReplicationPeerSyncReplicationState(PEER_ID,
054      SyncReplicationState.ACTIVE);
055
056    UTIL1.getAdmin().disableReplicationPeer(PEER_ID);
057    write(UTIL1, 0, 100);
058    Thread.sleep(2000);
059    // peer is disabled so no data have been replicated
060    verifyNotReplicatedThroughRegion(UTIL2, 0, 100);
061
062    // transit the A to DA first to avoid too many error logs.
063    UTIL1.getAdmin().transitReplicationPeerSyncReplicationState(PEER_ID,
064      SyncReplicationState.DOWNGRADE_ACTIVE);
065    HMaster master = UTIL2.getHBaseCluster().getMaster();
066    ProcedureExecutor<MasterProcedureEnv> procExec = master.getMasterProcedureExecutor();
067    // Enable test flags and then queue the procedure.
068    ProcedureTestingUtility.waitNoProcedureRunning(procExec);
069    ProcedureTestingUtility.setKillAndToggleBeforeStoreUpdate(procExec, true);
070    Thread t = new Thread() {
071
072      @Override
073      public void run() {
074        try {
075          UTIL2.getAdmin().transitReplicationPeerSyncReplicationState(PEER_ID,
076            SyncReplicationState.DOWNGRADE_ACTIVE);
077        } catch (IOException e) {
078          throw new UncheckedIOException(e);
079        }
080      }
081    };
082    t.start();
083    UTIL2.waitFor(30000, () -> procExec.getProcedures().stream()
084      .anyMatch(p -> p instanceof TransitPeerSyncReplicationStateProcedure && !p.isFinished()));
085    long procId = procExec.getProcedures().stream()
086      .filter(p -> p instanceof TransitPeerSyncReplicationStateProcedure && !p.isFinished())
087      .mapToLong(Procedure::getProcId).min().getAsLong();
088    MasterProcedureTestingUtility.testRecoveryAndDoubleExecution(procExec, procId);
089    ProcedureTestingUtility.setKillAndToggleBeforeStoreUpdate(procExec, false);
090    assertEquals(SyncReplicationState.DOWNGRADE_ACTIVE,
091      UTIL2.getAdmin().getReplicationPeerSyncReplicationState(PEER_ID));
092    verify(UTIL2, 0, 100);
093  }
094}