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;
022import static org.junit.Assert.assertTrue;
023
024import java.util.EnumSet;
025import java.util.List;
026import org.apache.hadoop.hbase.ClusterMetrics;
027import org.apache.hadoop.hbase.ClusterMetrics.Option;
028import org.apache.hadoop.hbase.HBaseClassTestRule;
029import org.apache.hadoop.hbase.ServerName;
030import org.apache.hadoop.hbase.client.Admin;
031import org.apache.hadoop.hbase.client.Put;
032import org.apache.hadoop.hbase.testclassification.MediumTests;
033import org.apache.hadoop.hbase.testclassification.ReplicationTests;
034import org.apache.hadoop.hbase.util.Bytes;
035import org.junit.ClassRule;
036import org.junit.Test;
037import org.junit.experimental.categories.Category;
038
039@Category({ ReplicationTests.class, MediumTests.class })
040public class TestReplicationStatusSourceStartedTargetStoppedNewOp extends TestReplicationBase {
041
042  @ClassRule
043  public static final HBaseClassTestRule CLASS_RULE =
044    HBaseClassTestRule.forClass(TestReplicationStatusSourceStartedTargetStoppedNewOp.class);
045
046  @Test
047  public void testReplicationStatusSourceStartedTargetStoppedNewOp() throws Exception {
048    // stop all region servers, we need to keep the master up as the below assertions need to get
049    // cluster id from remote cluster, if master is also down, we can not get any information from
050    // the remote cluster after source cluster restarts
051    stopAllRegionServers(UTIL2);
052    restartSourceCluster(1);
053    Admin hbaseAdmin = UTIL1.getAdmin();
054    // add some values to source cluster
055    for (int i = 0; i < NB_ROWS_IN_BATCH; i++) {
056      Put p = new Put(Bytes.toBytes("row" + i));
057      p.addColumn(famName, Bytes.toBytes("col1"), Bytes.toBytes("val" + i));
058      htable1.put(p);
059    }
060    Thread.sleep(10000);
061    ServerName serverName = UTIL1.getHBaseCluster().getRegionServer(0).getServerName();
062    ClusterMetrics metrics = hbaseAdmin.getClusterMetrics(EnumSet.of(Option.LIVE_SERVERS));
063    List<ReplicationLoadSource> loadSources =
064      metrics.getLiveServerMetrics().get(serverName).getReplicationLoadSourceList();
065    assertEquals(1, loadSources.size());
066    ReplicationLoadSource loadSource = loadSources.get(0);
067    assertTrue(loadSource.hasEditsSinceRestart());
068    assertEquals(0, loadSource.getTimestampOfLastShippedOp());
069    assertTrue(loadSource.getReplicationLag() > 0);
070    assertFalse(loadSource.isRecovered());
071  }
072}