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