| /* |
| * 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 static org.mockito.Mockito.mock; |
| import static org.mockito.Mockito.when; |
| |
| import java.util.List; |
| |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.hbase.ServerName; |
| import org.apache.hadoop.hbase.SmallTests; |
| import org.apache.hadoop.hbase.client.HConnection; |
| import org.apache.hadoop.hbase.protobuf.generated.AdminProtos.AdminService; |
| import org.apache.hadoop.hbase.replication.ReplicationPeers; |
| import org.apache.hadoop.hbase.replication.regionserver.ReplicationSinkManager.SinkPeer; |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.junit.experimental.categories.Category; |
| |
| import com.google.common.collect.Lists; |
| |
| @Category(SmallTests.class) |
| public class TestReplicationSinkManager { |
| |
| private static final String PEER_CLUSTER_ID = "PEER_CLUSTER_ID"; |
| |
| private ReplicationPeers replicationPeers; |
| private ReplicationSinkManager sinkManager; |
| |
| @Before |
| public void setUp() { |
| replicationPeers = mock(ReplicationPeers.class); |
| sinkManager = new ReplicationSinkManager(mock(HConnection.class), |
| PEER_CLUSTER_ID, replicationPeers, new Configuration()); |
| } |
| |
| @Test |
| public void testChooseSinks() { |
| List<ServerName> serverNames = Lists.newArrayList(); |
| for (int i = 0; i < 20; i++) { |
| serverNames.add(mock(ServerName.class)); |
| } |
| |
| when(replicationPeers.getRegionServersOfConnectedPeer(PEER_CLUSTER_ID)) |
| .thenReturn(serverNames); |
| |
| sinkManager.chooseSinks(); |
| |
| assertEquals(2, sinkManager.getSinks().size()); |
| |
| } |
| |
| @Test |
| public void testChooseSinks_LessThanRatioAvailable() { |
| List<ServerName> serverNames = Lists.newArrayList(mock(ServerName.class), |
| mock(ServerName.class)); |
| |
| when(replicationPeers.getRegionServersOfConnectedPeer(PEER_CLUSTER_ID)) |
| .thenReturn(serverNames); |
| |
| sinkManager.chooseSinks(); |
| |
| assertEquals(1, sinkManager.getSinks().size()); |
| } |
| |
| @Test |
| public void testReportBadSink() { |
| ServerName serverNameA = mock(ServerName.class); |
| ServerName serverNameB = mock(ServerName.class); |
| when(replicationPeers.getRegionServersOfConnectedPeer(PEER_CLUSTER_ID)).thenReturn( |
| Lists.newArrayList(serverNameA, serverNameB)); |
| |
| sinkManager.chooseSinks(); |
| // Sanity check |
| assertEquals(1, sinkManager.getSinks().size()); |
| |
| SinkPeer sinkPeer = new SinkPeer(serverNameA, mock(AdminService.BlockingInterface.class)); |
| |
| sinkManager.reportBadSink(sinkPeer); |
| |
| // Just reporting a bad sink once shouldn't have an effect |
| assertEquals(1, sinkManager.getSinks().size()); |
| |
| } |
| |
| /** |
| * Once a SinkPeer has been reported as bad more than BAD_SINK_THRESHOLD times, it should not |
| * be replicated to anymore. |
| */ |
| @Test |
| public void testReportBadSink_PastThreshold() { |
| List<ServerName> serverNames = Lists.newArrayList(); |
| for (int i = 0; i < 20; i++) { |
| serverNames.add(mock(ServerName.class)); |
| } |
| when(replicationPeers.getRegionServersOfConnectedPeer(PEER_CLUSTER_ID)) |
| .thenReturn(serverNames); |
| |
| |
| sinkManager.chooseSinks(); |
| // Sanity check |
| assertEquals(2, sinkManager.getSinks().size()); |
| |
| ServerName serverName = sinkManager.getSinks().get(0); |
| |
| SinkPeer sinkPeer = new SinkPeer(serverName, mock(AdminService.BlockingInterface.class)); |
| |
| for (int i = 0; i <= ReplicationSinkManager.DEFAULT_BAD_SINK_THRESHOLD; i++) { |
| sinkManager.reportBadSink(sinkPeer); |
| } |
| |
| // Reporting a bad sink more than the threshold count should remove it |
| // from the list of potential sinks |
| assertEquals(1, sinkManager.getSinks().size()); |
| } |
| |
| @Test |
| public void testReportBadSink_DownToZeroSinks() { |
| List<ServerName> serverNames = Lists.newArrayList(); |
| for (int i = 0; i < 20; i++) { |
| serverNames.add(mock(ServerName.class)); |
| } |
| when(replicationPeers.getRegionServersOfConnectedPeer(PEER_CLUSTER_ID)) |
| .thenReturn(serverNames); |
| |
| |
| sinkManager.chooseSinks(); |
| // Sanity check |
| |
| List<ServerName> sinkList = sinkManager.getSinks(); |
| assertEquals(2, sinkList.size()); |
| |
| ServerName serverNameA = sinkList.get(0); |
| ServerName serverNameB = sinkList.get(1); |
| |
| SinkPeer sinkPeerA = new SinkPeer(serverNameA, mock(AdminService.BlockingInterface.class)); |
| SinkPeer sinkPeerB = new SinkPeer(serverNameB, mock(AdminService.BlockingInterface.class)); |
| |
| for (int i = 0; i <= ReplicationSinkManager.DEFAULT_BAD_SINK_THRESHOLD; i++) { |
| sinkManager.reportBadSink(sinkPeerA); |
| sinkManager.reportBadSink(sinkPeerB); |
| } |
| |
| // We've gone down to 0 good sinks, so the replication sinks |
| // should have been refreshed now |
| assertEquals(2, sinkManager.getSinks().size()); |
| } |
| |
| } |