| /** |
| * 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.containsString; |
| import static org.hamcrest.MatcherAssert.assertThat; |
| import static org.junit.Assert.assertFalse; |
| import static org.junit.Assert.assertTrue; |
| import static org.junit.Assert.fail; |
| |
| import java.io.IOException; |
| import java.util.Arrays; |
| import org.apache.hadoop.fs.FileSystem; |
| import org.apache.hadoop.fs.Path; |
| import org.apache.hadoop.hbase.DoNotRetryIOException; |
| import org.apache.hadoop.hbase.HBaseClassTestRule; |
| import org.apache.hadoop.hbase.client.Append; |
| import org.apache.hadoop.hbase.client.Delete; |
| import org.apache.hadoop.hbase.client.Get; |
| import org.apache.hadoop.hbase.client.Mutation; |
| import org.apache.hadoop.hbase.client.Put; |
| import org.apache.hadoop.hbase.client.RetriesExhaustedException; |
| import org.apache.hadoop.hbase.client.RowMutations; |
| import org.apache.hadoop.hbase.client.Table; |
| import org.apache.hadoop.hbase.master.MasterFileSystem; |
| import org.apache.hadoop.hbase.testclassification.LargeTests; |
| import org.apache.hadoop.hbase.testclassification.ReplicationTests; |
| import org.apache.hadoop.hbase.util.Bytes; |
| import org.junit.Assert; |
| import org.junit.ClassRule; |
| import org.junit.Test; |
| import org.junit.experimental.categories.Category; |
| |
| @Category({ ReplicationTests.class, LargeTests.class }) |
| public class TestSyncReplicationStandBy extends SyncReplicationTestBase { |
| |
| @ClassRule |
| public static final HBaseClassTestRule CLASS_RULE = |
| HBaseClassTestRule.forClass(TestSyncReplicationStandBy.class); |
| |
| @FunctionalInterface |
| private interface TableAction { |
| |
| void call(Table table) throws IOException; |
| } |
| |
| private void assertDisallow(Table table, TableAction action) throws IOException { |
| try { |
| action.call(table); |
| fail("Should not allow the action"); |
| } catch (DoNotRetryIOException | RetriesExhaustedException e) { |
| // expected |
| assertThat(e.getMessage(), containsString("STANDBY")); |
| } |
| } |
| |
| @Test |
| public void testStandby() throws Exception { |
| MasterFileSystem mfs = UTIL2.getHBaseCluster().getMaster().getMasterFileSystem(); |
| Path remoteWALDir = getRemoteWALDir(mfs, PEER_ID); |
| assertFalse(mfs.getWALFileSystem().exists(remoteWALDir)); |
| UTIL2.getAdmin().transitReplicationPeerSyncReplicationState(PEER_ID, |
| SyncReplicationState.STANDBY); |
| assertTrue(mfs.getWALFileSystem().exists(remoteWALDir)); |
| try (Table table = UTIL2.getConnection().getTable(TABLE_NAME)) { |
| assertDisallow(table, t -> t.get(new Get(Bytes.toBytes("row")))); |
| assertDisallow(table, |
| t -> t.put(new Put(Bytes.toBytes("row")).addColumn(CF, CQ, Bytes.toBytes("row")))); |
| assertDisallow(table, t -> t.delete(new Delete(Bytes.toBytes("row")))); |
| assertDisallow(table, t -> t.incrementColumnValue(Bytes.toBytes("row"), CF, CQ, 1)); |
| assertDisallow(table, |
| t -> t.append(new Append(Bytes.toBytes("row")).addColumn(CF, CQ, Bytes.toBytes("row")))); |
| assertDisallow(table, |
| t -> t.get(Arrays.asList(new Get(Bytes.toBytes("row")), new Get(Bytes.toBytes("row1"))))); |
| assertDisallow(table, |
| t -> t.put( |
| Arrays.asList(new Put(Bytes.toBytes("row")).addColumn(CF, CQ, Bytes.toBytes("row")), |
| new Put(Bytes.toBytes("row1")).addColumn(CF, CQ, Bytes.toBytes("row1"))))); |
| assertDisallow(table, t -> t.mutateRow(new RowMutations(Bytes.toBytes("row")) |
| .add((Mutation) new Put(Bytes.toBytes("row")).addColumn(CF, CQ, Bytes.toBytes("row"))))); |
| } |
| // We should still allow replication writes |
| writeAndVerifyReplication(UTIL1, UTIL2, 0, 100); |
| |
| // Remove the peers in ACTIVE & STANDBY cluster. |
| FileSystem fs2 = REMOTE_WAL_DIR2.getFileSystem(UTIL2.getConfiguration()); |
| Assert.assertTrue(fs2.exists(getRemoteWALDir(REMOTE_WAL_DIR2, PEER_ID))); |
| |
| UTIL2.getAdmin().transitReplicationPeerSyncReplicationState(PEER_ID, |
| SyncReplicationState.DOWNGRADE_ACTIVE); |
| Assert.assertFalse(fs2.exists(getRemoteWALDir(REMOTE_WAL_DIR2, PEER_ID))); |
| Assert.assertFalse(fs2.exists(getReplayRemoteWALs(REMOTE_WAL_DIR2, PEER_ID))); |
| |
| UTIL1.getAdmin().removeReplicationPeer(PEER_ID); |
| verifyRemovedPeer(PEER_ID, REMOTE_WAL_DIR1, UTIL1); |
| |
| // Peer remoteWAL dir will be renamed to replay WAL dir when transit from S to DA, and the |
| // replay WAL dir will be removed after replaying all WALs, so create a emtpy dir here to test |
| // whether the removeReplicationPeer would remove the remoteWAL dir. |
| fs2.create(getRemoteWALDir(REMOTE_WAL_DIR2, PEER_ID)); |
| fs2.create(getReplayRemoteWALs(REMOTE_WAL_DIR2, PEER_ID)); |
| Assert.assertTrue(fs2.exists(getRemoteWALDir(REMOTE_WAL_DIR2, PEER_ID))); |
| Assert.assertTrue(fs2.exists(getReplayRemoteWALs(REMOTE_WAL_DIR2, PEER_ID))); |
| UTIL2.getAdmin().removeReplicationPeer(PEER_ID); |
| verifyRemovedPeer(PEER_ID, REMOTE_WAL_DIR2, UTIL2); |
| } |
| } |