| /** |
| * 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.regionserver; |
| |
| import static org.junit.Assert.assertEquals; |
| |
| import java.io.IOException; |
| import java.util.concurrent.CountDownLatch; |
| import java.util.concurrent.ForkJoinPool; |
| import java.util.concurrent.Future; |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.hbase.HBaseClassTestRule; |
| import org.apache.hadoop.hbase.HConstants; |
| import org.apache.hadoop.hbase.master.replication.DisablePeerProcedure; |
| import org.apache.hadoop.hbase.procedure2.Procedure; |
| import org.apache.hadoop.hbase.regionserver.HRegionServer; |
| import org.apache.hadoop.hbase.replication.ReplicationPeer; |
| import org.apache.hadoop.hbase.replication.ReplicationPeer.PeerState; |
| import org.apache.hadoop.hbase.replication.TestReplicationBase; |
| import org.apache.hadoop.hbase.testclassification.MasterTests; |
| import org.apache.hadoop.hbase.testclassification.MediumTests; |
| import org.junit.ClassRule; |
| import org.junit.Test; |
| import org.junit.experimental.categories.Category; |
| |
| import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos; |
| |
| /** |
| * This UT is used to make sure that we will not accidentally change the way to generate online |
| * servers. See HBASE-25774 and HBASE-25032 for more details. |
| */ |
| @Category({ MasterTests.class, MediumTests.class }) |
| public class TestRefreshPeerWhileRegionServerRestarts extends TestReplicationBase { |
| |
| @ClassRule |
| public static final HBaseClassTestRule CLASS_RULE = |
| HBaseClassTestRule.forClass(TestRefreshPeerWhileRegionServerRestarts.class); |
| |
| private static CountDownLatch ARRIVE; |
| |
| private static CountDownLatch RESUME; |
| |
| public static final class RegionServerForTest extends HRegionServer { |
| |
| public RegionServerForTest(Configuration conf) throws IOException { |
| super(conf); |
| } |
| |
| @Override |
| protected void tryRegionServerReport(long reportStartTime, long reportEndTime) |
| throws IOException { |
| if (ARRIVE != null) { |
| ARRIVE.countDown(); |
| ARRIVE = null; |
| try { |
| RESUME.await(); |
| } catch (InterruptedException e) { |
| } |
| } |
| super.tryRegionServerReport(reportStartTime, reportEndTime); |
| } |
| } |
| |
| @Test |
| public void testRestart() throws Exception { |
| UTIL1.getMiniHBaseCluster().getConfiguration().setClass(HConstants.REGION_SERVER_IMPL, |
| RegionServerForTest.class, HRegionServer.class); |
| CountDownLatch arrive = new CountDownLatch(1); |
| ARRIVE = arrive; |
| RESUME = new CountDownLatch(1); |
| // restart a new region server, and wait until it finish initialization and want to call |
| // regionServerReport, so it will load the peer state to peer cache. |
| Future<HRegionServer> regionServerFuture = ForkJoinPool.commonPool() |
| .submit(() -> UTIL1.getMiniHBaseCluster().startRegionServer().getRegionServer()); |
| ARRIVE.await(); |
| // change the peer state, wait until it reach the last state, where we have already get the |
| // region server list for refreshing |
| Future<Void> future = hbaseAdmin.disableReplicationPeerAsync(PEER_ID2); |
| try { |
| UTIL1.waitFor(30000, () -> { |
| for (Procedure<?> proc : UTIL1.getMiniHBaseCluster().getMaster().getProcedures()) { |
| if (proc instanceof DisablePeerProcedure) { |
| return ((DisablePeerProcedure) proc).getCurrentStateId() == |
| MasterProcedureProtos.PeerModificationState.POST_PEER_MODIFICATION_VALUE; |
| } |
| } |
| return false; |
| }); |
| } finally { |
| // let the new region server go |
| RESUME.countDown(); |
| } |
| // wait the disable peer operation to finish |
| future.get(); |
| // assert that the peer cache on the new region server has also been refreshed |
| ReplicationPeer peer = regionServerFuture.get().getReplicationSourceService() |
| .getReplicationPeers().getPeer(PEER_ID2); |
| assertEquals(PeerState.DISABLED, peer.getPeerState()); |
| } |
| } |