| /** |
| * 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.master.assignment; |
| |
| import static org.hamcrest.core.Is.isA; |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertNotNull; |
| |
| import java.io.IOException; |
| import java.util.List; |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.hbase.HBaseClassTestRule; |
| import org.apache.hadoop.hbase.HBaseTestingUtility; |
| import org.apache.hadoop.hbase.MiniHBaseCluster; |
| import org.apache.hadoop.hbase.ServerName; |
| import org.apache.hadoop.hbase.TableName; |
| import org.apache.hadoop.hbase.YouAreDeadException; |
| import org.apache.hadoop.hbase.client.Admin; |
| import org.apache.hadoop.hbase.client.ColumnFamilyDescriptorBuilder; |
| import org.apache.hadoop.hbase.client.RegionInfo; |
| import org.apache.hadoop.hbase.client.TableDescriptor; |
| import org.apache.hadoop.hbase.client.TableDescriptorBuilder; |
| import org.apache.hadoop.hbase.master.HMaster; |
| import org.apache.hadoop.hbase.master.procedure.MasterProcedureConstants; |
| import org.apache.hadoop.hbase.testclassification.MasterTests; |
| import org.apache.hadoop.hbase.testclassification.MediumTests; |
| import org.apache.hadoop.hbase.util.Bytes; |
| import org.junit.After; |
| import org.junit.AfterClass; |
| import org.junit.Before; |
| import org.junit.BeforeClass; |
| import org.junit.ClassRule; |
| import org.junit.Ignore; |
| import org.junit.Rule; |
| import org.junit.Test; |
| import org.junit.experimental.categories.Category; |
| import org.junit.rules.ExpectedException; |
| import org.junit.rules.TestName; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import org.apache.hbase.thirdparty.com.google.protobuf.ServiceException; |
| import org.apache.hbase.thirdparty.com.google.protobuf.UnsafeByteOperations; |
| |
| import org.apache.hadoop.hbase.shaded.protobuf.ProtobufUtil; |
| import org.apache.hadoop.hbase.shaded.protobuf.generated.ClusterStatusProtos; |
| import org.apache.hadoop.hbase.shaded.protobuf.generated.HBaseProtos; |
| import org.apache.hadoop.hbase.shaded.protobuf.generated.RegionServerStatusProtos; |
| |
| /** |
| * Tests to verify master/ assignment manager functionality against rogue RS |
| */ |
| @Category({MasterTests.class, MediumTests.class}) |
| public class TestRogueRSAssignment { |
| |
| @ClassRule |
| public static final HBaseClassTestRule CLASS_RULE = |
| HBaseClassTestRule.forClass(TestRogueRSAssignment.class); |
| |
| private static final Logger LOG = LoggerFactory.getLogger(TestRogueRSAssignment.class); |
| |
| @Rule |
| public final TestName name = new TestName(); |
| |
| @Rule |
| public ExpectedException exception = ExpectedException.none(); |
| private static final int initialRegionCount = 3; |
| private final static byte[] FAMILY = Bytes.toBytes("FAMILY"); |
| |
| private static final HBaseTestingUtility UTIL = new HBaseTestingUtility(); |
| private static final Configuration conf = UTIL.getConfiguration(); |
| private static Admin admin; |
| private static MiniHBaseCluster cluster; |
| private static HMaster master; |
| |
| private static void setupConf(Configuration conf) { |
| // Reduce the maximum attempts to speed up the test |
| conf.setInt("hbase.assignment.maximum.attempts", 3); |
| conf.setInt("hbase.master.maximum.ping.server.attempts", 3); |
| conf.setInt("hbase.master.ping.server.retry.sleep.interval", 1); |
| conf.setInt(MasterProcedureConstants.MASTER_PROCEDURE_THREADS, 1); |
| } |
| |
| @BeforeClass |
| public static void setupCluster() throws Exception { |
| setupConf(conf); |
| UTIL.startMiniCluster(2); |
| |
| cluster = UTIL.getHBaseCluster(); |
| assertNotNull(cluster); |
| |
| admin = UTIL.getAdmin(); |
| assertNotNull(admin); |
| |
| master = cluster.getMaster(); |
| assertNotNull(master); |
| } |
| |
| @AfterClass |
| public static void cleanupTest() throws Exception { |
| try { |
| UTIL.shutdownMiniCluster(); |
| cluster = null; |
| admin = null; |
| } catch (Exception e) { |
| LOG.warn("failure shutting down cluster", e); |
| } |
| } |
| |
| @Before |
| public void setup() throws IOException { |
| // Turn off balancer |
| admin.balancerSwitch(false, true); |
| } |
| |
| @After |
| public void tearDown() throws Exception { |
| for (TableDescriptor td: UTIL.getAdmin().listTableDescriptors()) { |
| LOG.info("Tear down, remove table=" + td.getTableName()); |
| UTIL.deleteTable(td.getTableName()); |
| } |
| // Turn on balancer |
| admin.balancerSwitch(true, false); |
| } |
| |
| /** |
| * Ignore this test, see HBASE-21421 |
| */ |
| @Test |
| @Ignore |
| public void testReportRSWithWrongRegion() throws Exception { |
| final TableName tableName = TableName.valueOf(this.name.getMethodName()); |
| |
| List<RegionInfo> tableRegions = createTable(tableName); |
| |
| final ServerName sn = ServerName.parseVersionedServerName( |
| ServerName.valueOf("1.example.org", 1, System.currentTimeMillis()).getVersionedBytes()); |
| |
| // make fake request with a region assigned to different RS |
| RegionServerStatusProtos.RegionServerReportRequest.Builder request = |
| makeRSReportRequestWithRegions(sn, tableRegions.get(1)); |
| |
| // sending fake request to master |
| // TODO: replace YouAreDeadException with appropriate exception as and when necessary |
| exception.expect(ServiceException.class); |
| exception.expectCause(isA(YouAreDeadException.class)); |
| RegionServerStatusProtos.RegionServerReportResponse response = |
| master.getMasterRpcServices().regionServerReport(null, request.build()); |
| } |
| |
| private RegionServerStatusProtos.RegionServerReportRequest.Builder |
| makeRSReportRequestWithRegions(final ServerName sn, RegionInfo... regions) { |
| ClusterStatusProtos.ServerLoad.Builder sl = ClusterStatusProtos.ServerLoad.newBuilder(); |
| for (int i = 0; i < regions.length; i++) { |
| HBaseProtos.RegionSpecifier.Builder rs = HBaseProtos.RegionSpecifier.newBuilder(); |
| rs.setType(HBaseProtos.RegionSpecifier.RegionSpecifierType.REGION_NAME); |
| rs.setValue(UnsafeByteOperations.unsafeWrap(regions[i].getRegionName())); |
| |
| ClusterStatusProtos.RegionLoad.Builder rl = ClusterStatusProtos.RegionLoad.newBuilder() |
| .setRegionSpecifier(rs.build()); |
| |
| sl.addRegionLoads(i, rl.build()); |
| } |
| |
| return RegionServerStatusProtos.RegionServerReportRequest.newBuilder() |
| .setServer(ProtobufUtil.toServerName(sn)) |
| .setLoad(sl); |
| } |
| |
| private List<RegionInfo> createTable(final TableName tableName) throws Exception { |
| TableDescriptorBuilder tdBuilder = TableDescriptorBuilder.newBuilder(tableName); |
| tdBuilder.setColumnFamily(ColumnFamilyDescriptorBuilder.newBuilder(FAMILY).build()); |
| |
| byte[][] rows = new byte[initialRegionCount - 1][]; |
| for (int i = 0; i < rows.length; ++i) { |
| rows[i] = Bytes.toBytes(String.format("%d", i)); |
| } |
| admin.createTable(tdBuilder.build(), rows); |
| return assertRegionCount(tableName, initialRegionCount); |
| } |
| |
| private List<RegionInfo> assertRegionCount(final TableName tableName, final int nregions) |
| throws Exception { |
| UTIL.waitUntilNoRegionsInTransition(); |
| List<RegionInfo> tableRegions = admin.getRegions(tableName); |
| assertEquals(nregions, tableRegions.size()); |
| return tableRegions; |
| } |
| } |