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.regionserver;
019
020import java.io.IOException;
021import java.io.StringWriter;
022import java.util.List;
023import java.util.Optional;
024
025import org.apache.hadoop.hbase.HBaseClassTestRule;
026import org.apache.hadoop.hbase.HBaseConfiguration;
027import org.apache.hadoop.hbase.HConstants;
028import org.apache.hadoop.hbase.HTableDescriptor;
029import org.apache.hadoop.hbase.ServerName;
030import org.apache.hadoop.hbase.TableName;
031import org.apache.hadoop.hbase.client.RegionInfo;
032import org.apache.hadoop.hbase.client.RegionInfoBuilder;
033import org.apache.hadoop.hbase.ipc.MetricsHBaseServer;
034import org.apache.hadoop.hbase.ipc.MetricsHBaseServerWrapperStub;
035import org.apache.hadoop.hbase.ipc.RpcServerInterface;
036import org.apache.hadoop.hbase.testclassification.RegionServerTests;
037import org.apache.hadoop.hbase.testclassification.SmallTests;
038import org.apache.hadoop.hbase.tmpl.regionserver.RSStatusTmpl;
039import org.apache.hadoop.hbase.util.Bytes;
040import org.apache.hadoop.hbase.zookeeper.MasterAddressTracker;
041import org.apache.hadoop.hbase.zookeeper.ZKWatcher;
042import org.junit.Before;
043import org.junit.ClassRule;
044import org.junit.Rule;
045import org.junit.Test;
046import org.junit.experimental.categories.Category;
047import org.junit.rules.TestName;
048import org.mockito.Mockito;
049import org.slf4j.Logger;
050import org.slf4j.LoggerFactory;
051
052import org.apache.hbase.thirdparty.com.google.common.collect.Lists;
053import org.apache.hbase.thirdparty.com.google.protobuf.RpcController;
054import org.apache.hbase.thirdparty.com.google.protobuf.ServiceException;
055
056import org.apache.hadoop.hbase.shaded.protobuf.ResponseConverter;
057import org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.GetOnlineRegionRequest;
058import org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.GetServerInfoRequest;
059import org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.GetServerInfoResponse;
060
061/**
062 * Tests for the region server status page and its template.
063 */
064@Category({RegionServerTests.class, SmallTests.class})
065public class TestRSStatusServlet {
066
067  @ClassRule
068  public static final HBaseClassTestRule CLASS_RULE =
069      HBaseClassTestRule.forClass(TestRSStatusServlet.class);
070
071  private static final Logger LOG = LoggerFactory.getLogger(TestRSStatusServlet.class);
072  private HRegionServer rs;
073  private RSRpcServices rpcServices;
074  private RpcServerInterface rpcServer;
075
076  static final int FAKE_IPC_PORT = 1585;
077  static final int FAKE_WEB_PORT = 1586;
078
079  private final ServerName fakeServerName =
080      ServerName.valueOf("localhost", FAKE_IPC_PORT, 11111);
081  private final GetServerInfoResponse fakeResponse =
082    ResponseConverter.buildGetServerInfoResponse(fakeServerName, FAKE_WEB_PORT);
083
084  private final ServerName fakeMasterAddress =
085      ServerName.valueOf("localhost", 60010, 1212121212);
086
087  @Rule
088  public TestName name = new TestName();
089
090  @Before
091  public void setupBasicMocks() throws IOException, ServiceException {
092    rs = Mockito.mock(HRegionServer.class);
093    rpcServices = Mockito.mock(RSRpcServices.class);
094    rpcServer = Mockito.mock(RpcServerInterface.class);
095    Mockito.doReturn(HBaseConfiguration.create())
096      .when(rs).getConfiguration();
097    Mockito.doReturn(rpcServices).when(rs).getRSRpcServices();
098    Mockito.doReturn(rpcServer).when(rs).getRpcServer();
099    Mockito.doReturn(fakeResponse).when(rpcServices).getServerInfo(
100      (RpcController)Mockito.any(), (GetServerInfoRequest)Mockito.any());
101    // Fake ZKW
102    ZKWatcher zkw = Mockito.mock(ZKWatcher.class);
103    Mockito.doReturn("fakequorum").when(zkw).getQuorum();
104    Mockito.doReturn(zkw).when(rs).getZooKeeper();
105
106    // Fake BlockCache
107    LOG.warn("The " + HConstants.HFILE_BLOCK_CACHE_SIZE_KEY + " is set to 0");
108    Mockito.doReturn(Optional.empty()).when(rs).getBlockCache();
109
110    // Fake MasterAddressTracker
111    MasterAddressTracker mat = Mockito.mock(MasterAddressTracker.class);
112    Mockito.doReturn(fakeMasterAddress).when(mat).getMasterAddress();
113    Mockito.doReturn(mat).when(rs).getMasterAddressTracker();
114
115    MetricsRegionServer rms = Mockito.mock(MetricsRegionServer.class);
116    Mockito.doReturn(new MetricsRegionServerWrapperStub()).when(rms).getRegionServerWrapper();
117    Mockito.doReturn(rms).when(rs).getRegionServerMetrics();
118
119    MetricsHBaseServer ms = Mockito.mock(MetricsHBaseServer.class);
120    Mockito.doReturn(new MetricsHBaseServerWrapperStub()).when(ms).getHBaseServerWrapper();
121    Mockito.doReturn(ms).when(rpcServer).getMetrics();
122  }
123
124  @Test
125  public void testBasic() throws IOException, ServiceException {
126    new RSStatusTmpl().render(new StringWriter(), rs);
127  }
128
129  @Test
130  public void testWithRegions() throws IOException, ServiceException {
131    HTableDescriptor htd = new HTableDescriptor(TableName.valueOf(name.getMethodName()));
132    List<RegionInfo> regions = Lists.newArrayList(
133        RegionInfoBuilder.newBuilder(htd.getTableName())
134            .setStartKey(Bytes.toBytes("a"))
135            .setEndKey(Bytes.toBytes("d"))
136            .build(),
137        RegionInfoBuilder.newBuilder(htd.getTableName())
138            .setStartKey(Bytes.toBytes("d"))
139            .setEndKey(Bytes.toBytes("z"))
140            .build()
141        );
142    Mockito.doReturn(ResponseConverter.buildGetOnlineRegionResponse(
143      regions)).when(rpcServices).getOnlineRegion((RpcController)Mockito.any(),
144        (GetOnlineRegionRequest)Mockito.any());
145    new RSStatusTmpl().render(new StringWriter(), rs);
146  }
147}