/** * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance * with the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package org.apache.hadoop.hbase.replication; import static org.hamcrest.CoreMatchers.endsWith; import static org.junit.Assert.assertEquals; import static org.junit.Assert.assertThat; import static org.junit.Assert.assertTrue; import org.apache.hadoop.fs.FileStatus; import org.apache.hadoop.fs.Path; import org.apache.hadoop.hbase.HBaseClassTestRule; import org.apache.hadoop.hbase.master.MasterFileSystem; import org.apache.hadoop.hbase.regionserver.HRegionServer; import org.apache.hadoop.hbase.testclassification.LargeTests; import org.apache.hadoop.hbase.testclassification.ReplicationTests; import org.junit.ClassRule; import org.junit.Test; import org.junit.experimental.categories.Category; @Category({ ReplicationTests.class, LargeTests.class }) public class TestSyncReplicationRemoveRemoteWAL extends SyncReplicationTestBase { @ClassRule public static final HBaseClassTestRule CLASS_RULE = HBaseClassTestRule.forClass(TestSyncReplicationRemoveRemoteWAL.class); @Test public void testRemoveRemoteWAL() throws Exception { UTIL2.getAdmin().transitReplicationPeerSyncReplicationState(PEER_ID, SyncReplicationState.STANDBY); UTIL1.getAdmin().transitReplicationPeerSyncReplicationState(PEER_ID, SyncReplicationState.ACTIVE); MasterFileSystem mfs = UTIL2.getMiniHBaseCluster().getMaster().getMasterFileSystem(); Path remoteWALDir = ReplicationUtils.getPeerRemoteWALDir( new Path(mfs.getWALRootDir(), ReplicationUtils.REMOTE_WAL_DIR_NAME), PEER_ID); FileStatus[] remoteWALStatus = mfs.getWALFileSystem().listStatus(remoteWALDir); assertEquals(1, remoteWALStatus.length); Path remoteWAL = remoteWALStatus[0].getPath(); assertThat(remoteWAL.getName(), endsWith(ReplicationUtils.SYNC_WAL_SUFFIX)); writeAndVerifyReplication(UTIL1, UTIL2, 0, 100); HRegionServer rs = UTIL1.getRSForFirstRegionInTable(TABLE_NAME); rs.getWalRoller().requestRollAll(); // The replicated wal file should be deleted finally waitUntilDeleted(UTIL2, remoteWAL); remoteWALStatus = mfs.getWALFileSystem().listStatus(remoteWALDir); assertEquals(1, remoteWALStatus.length); remoteWAL = remoteWALStatus[0].getPath(); assertThat(remoteWAL.getName(), endsWith(ReplicationUtils.SYNC_WAL_SUFFIX)); UTIL1.getAdmin().disableReplicationPeer(PEER_ID); write(UTIL1, 100, 200); UTIL1.getAdmin().transitReplicationPeerSyncReplicationState(PEER_ID, SyncReplicationState.DOWNGRADE_ACTIVE); // should still be there since the peer is disabled and we haven't replicated the data yet assertTrue(mfs.getWALFileSystem().exists(remoteWAL)); UTIL1.getAdmin().enableReplicationPeer(PEER_ID); waitUntilReplicationDone(UTIL2, 200); verifyThroughRegion(UTIL2, 100, 200); // Confirm that we will also remove the remote wal files in DA state waitUntilDeleted(UTIL2, remoteWAL); } }