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.SyncReplicationTestBaseNoBeforeAll;
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
042  extends SyncReplicationTestBaseNoBeforeAll {
043
044  @BeforeAll
045  public static void setUp() throws Exception {
046    UTIL2.getConfiguration().setInt(MasterProcedureConstants.MASTER_PROCEDURE_THREADS, 1);
047    startClusters();
048  }
049
050  @Test
051  public void testRecoveryAndDoubleExecution() throws Exception {
052    UTIL2.getAdmin().transitReplicationPeerSyncReplicationState(PEER_ID,
053      SyncReplicationState.STANDBY);
054    UTIL1.getAdmin().transitReplicationPeerSyncReplicationState(PEER_ID,
055      SyncReplicationState.ACTIVE);
056
057    UTIL1.getAdmin().disableReplicationPeer(PEER_ID);
058    write(UTIL1, 0, 100);
059    Thread.sleep(2000);
060    // peer is disabled so no data have been replicated
061    verifyNotReplicatedThroughRegion(UTIL2, 0, 100);
062
063    // transit the A to DA first to avoid too many error logs.
064    UTIL1.getAdmin().transitReplicationPeerSyncReplicationState(PEER_ID,
065      SyncReplicationState.DOWNGRADE_ACTIVE);
066    HMaster master = UTIL2.getHBaseCluster().getMaster();
067    ProcedureExecutor<MasterProcedureEnv> procExec = master.getMasterProcedureExecutor();
068    // Enable test flags and then queue the procedure.
069    ProcedureTestingUtility.waitNoProcedureRunning(procExec);
070    ProcedureTestingUtility.setKillAndToggleBeforeStoreUpdate(procExec, true);
071    Thread t = new Thread() {
072
073      @Override
074      public void run() {
075        try {
076          UTIL2.getAdmin().transitReplicationPeerSyncReplicationState(PEER_ID,
077            SyncReplicationState.DOWNGRADE_ACTIVE);
078        } catch (IOException e) {
079          throw new UncheckedIOException(e);
080        }
081      }
082    };
083    t.start();
084    UTIL2.waitFor(30000, () -> procExec.getProcedures().stream()
085      .anyMatch(p -> p instanceof TransitPeerSyncReplicationStateProcedure && !p.isFinished()));
086    long procId = procExec.getProcedures().stream()
087      .filter(p -> p instanceof TransitPeerSyncReplicationStateProcedure && !p.isFinished())
088      .mapToLong(Procedure::getProcId).min().getAsLong();
089    MasterProcedureTestingUtility.testRecoveryAndDoubleExecution(procExec, procId);
090    ProcedureTestingUtility.setKillAndToggleBeforeStoreUpdate(procExec, false);
091    assertEquals(SyncReplicationState.DOWNGRADE_ACTIVE,
092      UTIL2.getAdmin().getReplicationPeerSyncReplicationState(PEER_ID));
093    verify(UTIL2, 0, 100);
094  }
095}