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.junit.Assert.assertEquals;
021import static org.junit.Assert.assertFalse;
022
023import java.util.EnumSet;
024import java.util.List;
025import org.apache.hadoop.hbase.ClusterMetrics;
026import org.apache.hadoop.hbase.ClusterMetrics.Option;
027import org.apache.hadoop.hbase.HBaseClassTestRule;
028import org.apache.hadoop.hbase.ServerName;
029import org.apache.hadoop.hbase.client.Admin;
030import org.apache.hadoop.hbase.testclassification.MediumTests;
031import org.apache.hadoop.hbase.testclassification.ReplicationTests;
032import org.junit.ClassRule;
033import org.junit.Test;
034import org.junit.experimental.categories.Category;
035
036@Category({ ReplicationTests.class, MediumTests.class })
037public class TestReplicationStatusSourceStartedTargetStoppedNoOps extends TestReplicationBase {
038
039  @ClassRule
040  public static final HBaseClassTestRule CLASS_RULE =
041    HBaseClassTestRule.forClass(TestReplicationStatusSourceStartedTargetStoppedNoOps.class);
042
043  @Test
044  public void testReplicationStatusSourceStartedTargetStoppedNoOps() throws Exception {
045    // stop all region servers, we need to keep the master up as the below assertions need to get
046    // cluster id from remote cluster, if master is also down, we can not get any information from
047    // the remote cluster after source cluster restarts
048    stopAllRegionServers(UTIL2);
049    restartSourceCluster(1);
050    Admin hbaseAdmin = UTIL1.getAdmin();
051    ServerName serverName = UTIL1.getHBaseCluster().getRegionServer(0).getServerName();
052    Thread.sleep(10000);
053    ClusterMetrics metrics = hbaseAdmin.getClusterMetrics(EnumSet.of(Option.LIVE_SERVERS));
054    List<ReplicationLoadSource> loadSources =
055      metrics.getLiveServerMetrics().get(serverName).getReplicationLoadSourceList();
056    assertEquals(1, loadSources.size());
057    ReplicationLoadSource loadSource = loadSources.get(0);
058    assertFalse(loadSource.hasEditsSinceRestart());
059    assertEquals(0, loadSource.getTimestampOfLastShippedOp());
060    assertEquals(0, loadSource.getReplicationLag());
061    assertFalse(loadSource.isRecovered());
062  }
063}