| /** |
| * 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.rsgroup; |
| |
| import static org.apache.hadoop.hbase.rsgroup.RSGroupInfoManagerImpl.META_FAMILY_BYTES; |
| import static org.apache.hadoop.hbase.rsgroup.RSGroupInfoManagerImpl.META_QUALIFIER_BYTES; |
| import static org.apache.hadoop.hbase.rsgroup.RSGroupInfoManagerImpl.RSGROUP_TABLE_NAME; |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertTrue; |
| |
| import java.io.IOException; |
| import java.util.concurrent.CountDownLatch; |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.hbase.HBaseClassTestRule; |
| import org.apache.hadoop.hbase.HConstants; |
| import org.apache.hadoop.hbase.TableDescriptors; |
| import org.apache.hadoop.hbase.TableName; |
| import org.apache.hadoop.hbase.client.Get; |
| import org.apache.hadoop.hbase.client.Put; |
| import org.apache.hadoop.hbase.client.Result; |
| import org.apache.hadoop.hbase.client.Table; |
| import org.apache.hadoop.hbase.client.TableDescriptor; |
| import org.apache.hadoop.hbase.coprocessor.CoprocessorHost; |
| import org.apache.hadoop.hbase.master.HMaster; |
| import org.apache.hadoop.hbase.testclassification.MediumTests; |
| import org.apache.hadoop.hbase.testclassification.RSGroupTests; |
| import org.apache.hadoop.hbase.util.Bytes; |
| import org.apache.zookeeper.KeeperException; |
| import org.junit.AfterClass; |
| import org.junit.BeforeClass; |
| import org.junit.ClassRule; |
| import org.junit.Test; |
| import org.junit.experimental.categories.Category; |
| |
| import org.apache.hadoop.hbase.shaded.protobuf.ProtobufUtil; |
| import org.apache.hadoop.hbase.shaded.protobuf.generated.RSGroupProtos; |
| |
| /** |
| * Testcase for HBASE-22819 |
| */ |
| @Category({ RSGroupTests.class, MediumTests.class }) |
| public class TestMigrateRSGroupInfo extends TestRSGroupsBase { |
| |
| @ClassRule |
| public static final HBaseClassTestRule CLASS_RULE = |
| HBaseClassTestRule.forClass(TestMigrateRSGroupInfo.class); |
| |
| private static String TABLE_NAME_PREFIX = "Table_"; |
| |
| private static int NUM_TABLES = 10; |
| |
| private static byte[] FAMILY = Bytes.toBytes("family"); |
| |
| private static RSGroupAdminClient RS_GROUP_ADMIN_CLIENT; |
| |
| @BeforeClass |
| public static void setUp() throws Exception { |
| TEST_UTIL.getConfiguration().setClass(HConstants.MASTER_IMPL, HMasterForTest.class, |
| HMaster.class); |
| // confirm that we could enable rs group by setting the old CP. |
| TEST_UTIL.getConfiguration().setBoolean(RSGroupUtil.RS_GROUP_ENABLED, false); |
| TEST_UTIL.getConfiguration().set(CoprocessorHost.MASTER_COPROCESSOR_CONF_KEY, |
| RSGroupAdminEndpoint.class.getName()); |
| setUpTestBeforeClass(); |
| RS_GROUP_ADMIN_CLIENT = new RSGroupAdminClient(TEST_UTIL.getConnection()); |
| for (int i = 0; i < NUM_TABLES; i++) { |
| TEST_UTIL.createTable(TableName.valueOf(TABLE_NAME_PREFIX + i), FAMILY); |
| } |
| } |
| |
| @AfterClass |
| public static void tearDown() throws Exception { |
| tearDownAfterClass(); |
| } |
| |
| private static CountDownLatch RESUME = new CountDownLatch(1); |
| |
| public static final class HMasterForTest extends HMaster { |
| |
| public HMasterForTest(Configuration conf) throws IOException, KeeperException { |
| super(conf); |
| } |
| |
| @Override |
| public TableDescriptors getTableDescriptors() { |
| if (RESUME != null) { |
| for (StackTraceElement element : Thread.currentThread().getStackTrace()) { |
| if (element.getMethodName().equals("migrate")) { |
| try { |
| RESUME.await(); |
| } catch (InterruptedException e) { |
| } |
| RESUME = null; |
| break; |
| } |
| } |
| } |
| return super.getTableDescriptors(); |
| } |
| } |
| |
| @Test |
| public void testMigrate() throws IOException, InterruptedException { |
| String groupName = getNameWithoutIndex(name.getMethodName()); |
| addGroup(groupName, TEST_UTIL.getMiniHBaseCluster().getRegionServerThreads().size() - 1); |
| RSGroupInfo rsGroupInfo = ADMIN.getRSGroup(groupName); |
| assertTrue(rsGroupInfo.getTables().isEmpty()); |
| for (int i = 0; i < NUM_TABLES; i++) { |
| rsGroupInfo.addTable(TableName.valueOf(TABLE_NAME_PREFIX + i)); |
| } |
| try (Table table = TEST_UTIL.getConnection().getTable(RSGROUP_TABLE_NAME)) { |
| RSGroupProtos.RSGroupInfo proto = ProtobufUtil.toProtoGroupInfo(rsGroupInfo); |
| Put p = new Put(Bytes.toBytes(rsGroupInfo.getName())); |
| p.addColumn(META_FAMILY_BYTES, META_QUALIFIER_BYTES, proto.toByteArray()); |
| table.put(p); |
| } |
| TEST_UTIL.getMiniHBaseCluster().stopMaster(0).join(); |
| RESUME = new CountDownLatch(1); |
| TEST_UTIL.getMiniHBaseCluster().startMaster(); |
| TEST_UTIL.invalidateConnection(); |
| RS_GROUP_ADMIN_CLIENT = new RSGroupAdminClient(TEST_UTIL.getConnection()); |
| |
| // wait until we can get the rs group info for a table |
| TEST_UTIL.waitFor(30000, () -> { |
| try { |
| RS_GROUP_ADMIN_CLIENT.getRSGroupInfoOfTable(TableName.valueOf(TABLE_NAME_PREFIX + 0)); |
| return true; |
| } catch (IOException e) { |
| return false; |
| } |
| }); |
| // confirm that before migrating, we could still get the correct rs group for a table. |
| for (int i = 0; i < NUM_TABLES; i++) { |
| RSGroupInfo info = |
| RS_GROUP_ADMIN_CLIENT.getRSGroupInfoOfTable(TableName.valueOf(TABLE_NAME_PREFIX + i)); |
| assertEquals(rsGroupInfo.getName(), info.getName()); |
| assertEquals(NUM_TABLES, info.getTables().size()); |
| } |
| RESUME.countDown(); |
| TEST_UTIL.waitFor(60000, () -> { |
| for (int i = 0; i < NUM_TABLES; i++) { |
| TableDescriptor td; |
| try { |
| td = TEST_UTIL.getAdmin().getDescriptor(TableName.valueOf(TABLE_NAME_PREFIX + i)); |
| } catch (IOException e) { |
| return false; |
| } |
| if (!rsGroupInfo.getName().equals(td.getRegionServerGroup().orElse(null))) { |
| return false; |
| } |
| } |
| return true; |
| }); |
| // make sure that we persist the result to hbase, where we delete all the tables in the rs |
| // group. |
| TEST_UTIL.waitFor(30000, () -> { |
| try (Table table = TEST_UTIL.getConnection().getTable(RSGROUP_TABLE_NAME)) { |
| Result result = table.get(new Get(Bytes.toBytes(rsGroupInfo.getName()))); |
| RSGroupProtos.RSGroupInfo proto = RSGroupProtos.RSGroupInfo |
| .parseFrom(result.getValue(META_FAMILY_BYTES, META_QUALIFIER_BYTES)); |
| RSGroupInfo gi = ProtobufUtil.toGroupInfo(proto); |
| return gi.getTables().isEmpty(); |
| } |
| }); |
| // make sure that the migrate thread has quit. |
| TEST_UTIL.waitFor(30000, () -> Thread.getAllStackTraces().keySet().stream() |
| .noneMatch(t -> t.getName().equals(RSGroupInfoManagerImpl.MIGRATE_THREAD_NAME))); |
| // make sure we could still get the correct rs group info after migration |
| for (int i = 0; i < NUM_TABLES; i++) { |
| RSGroupInfo info = |
| RS_GROUP_ADMIN_CLIENT.getRSGroupInfoOfTable(TableName.valueOf(TABLE_NAME_PREFIX + i)); |
| assertEquals(rsGroupInfo.getName(), info.getName()); |
| assertEquals(NUM_TABLES, info.getTables().size()); |
| } |
| } |
| } |