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.replication;
019
020import static org.hamcrest.CoreMatchers.endsWith;
021import static org.hamcrest.MatcherAssert.assertThat;
022import static org.junit.jupiter.api.Assertions.assertEquals;
023import static org.junit.jupiter.api.Assertions.assertTrue;
024
025import org.apache.hadoop.fs.FileStatus;
026import org.apache.hadoop.fs.Path;
027import org.apache.hadoop.hbase.master.MasterFileSystem;
028import org.apache.hadoop.hbase.regionserver.HRegionServer;
029import org.apache.hadoop.hbase.testclassification.LargeTests;
030import org.apache.hadoop.hbase.testclassification.ReplicationTests;
031import org.junit.jupiter.api.Tag;
032import org.junit.jupiter.api.Test;
033
034@Tag(ReplicationTests.TAG)
035@Tag(LargeTests.TAG)
036public class TestSyncReplicationRemoveRemoteWAL extends SyncReplicationTestBase {
037
038  @Test
039  public void testRemoveRemoteWAL() throws Exception {
040    UTIL2.getAdmin().transitReplicationPeerSyncReplicationState(PEER_ID,
041      SyncReplicationState.STANDBY);
042    UTIL1.getAdmin().transitReplicationPeerSyncReplicationState(PEER_ID,
043      SyncReplicationState.ACTIVE);
044
045    MasterFileSystem mfs = UTIL2.getMiniHBaseCluster().getMaster().getMasterFileSystem();
046    Path remoteWALDir = ReplicationUtils.getPeerRemoteWALDir(
047      new Path(mfs.getWALRootDir(), ReplicationUtils.REMOTE_WAL_DIR_NAME), PEER_ID);
048    FileStatus[] remoteWALStatus = mfs.getWALFileSystem().listStatus(remoteWALDir);
049    assertEquals(1, remoteWALStatus.length);
050    Path remoteWAL = remoteWALStatus[0].getPath();
051    assertThat(remoteWAL.getName(), endsWith(ReplicationUtils.SYNC_WAL_SUFFIX));
052    writeAndVerifyReplication(UTIL1, UTIL2, 0, 100);
053
054    HRegionServer rs = UTIL1.getRSForFirstRegionInTable(TABLE_NAME);
055    rs.getWalRoller().requestRollAll();
056    // The replicated wal file should be deleted finally
057    waitUntilDeleted(UTIL2, remoteWAL);
058    remoteWALStatus = mfs.getWALFileSystem().listStatus(remoteWALDir);
059    assertEquals(1, remoteWALStatus.length);
060    remoteWAL = remoteWALStatus[0].getPath();
061    assertThat(remoteWAL.getName(), endsWith(ReplicationUtils.SYNC_WAL_SUFFIX));
062
063    UTIL1.getAdmin().disableReplicationPeer(PEER_ID);
064    write(UTIL1, 100, 200);
065    UTIL1.getAdmin().transitReplicationPeerSyncReplicationState(PEER_ID,
066      SyncReplicationState.DOWNGRADE_ACTIVE);
067
068    // should still be there since the peer is disabled and we haven't replicated the data yet
069    assertTrue(mfs.getWALFileSystem().exists(remoteWAL));
070
071    UTIL1.getAdmin().enableReplicationPeer(PEER_ID);
072    waitUntilReplicationDone(UTIL2, 200);
073    verifyThroughRegion(UTIL2, 100, 200);
074
075    // Confirm that we will also remove the remote wal files in DA state
076    waitUntilDeleted(UTIL2, remoteWAL);
077  }
078}