| /** |
| * |
| * 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; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertTrue; |
| |
| import java.util.List; |
| import java.util.NavigableSet; |
| |
| import org.apache.commons.logging.Log; |
| import org.apache.commons.logging.LogFactory; |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.hbase.HBaseConfiguration; |
| import org.apache.hadoop.hbase.HBaseTestingUtility; |
| import org.apache.hadoop.hbase.MiniHBaseCluster; |
| import org.apache.hadoop.hbase.TableName; |
| import org.apache.hadoop.hbase.client.Admin; |
| import org.apache.hadoop.hbase.client.RegionLocator; |
| import org.apache.hadoop.hbase.client.Table; |
| import org.apache.hadoop.hbase.client.TableState; |
| import org.apache.hadoop.hbase.testclassification.LargeTests; |
| import org.apache.hadoop.hbase.testclassification.MasterTests; |
| import org.apache.hadoop.hbase.util.Bytes; |
| import org.apache.hadoop.hbase.util.JVMClusterUtil.MasterThread; |
| import org.junit.Test; |
| import org.junit.experimental.categories.Category; |
| |
| @Category({MasterTests.class, LargeTests.class}) |
| public class TestMasterRestartAfterDisablingTable { |
| |
| private static final Log LOG = LogFactory.getLog(TestMasterRestartAfterDisablingTable.class); |
| |
| @Test |
| public void testForCheckingIfEnableAndDisableWorksFineAfterSwitch() |
| throws Exception { |
| final int NUM_MASTERS = 2; |
| final int NUM_RS = 1; |
| final int NUM_REGIONS_TO_CREATE = 4; |
| |
| // Start the cluster |
| log("Starting cluster"); |
| Configuration conf = HBaseConfiguration.create(); |
| HBaseTestingUtility TEST_UTIL = new HBaseTestingUtility(conf); |
| TEST_UTIL.startMiniCluster(NUM_MASTERS, NUM_RS); |
| MiniHBaseCluster cluster = TEST_UTIL.getHBaseCluster(); |
| log("Waiting for active/ready master"); |
| cluster.waitForActiveAndReadyMaster(); |
| |
| // Create a table with regions |
| TableName table = TableName.valueOf("tableRestart"); |
| byte[] family = Bytes.toBytes("family"); |
| log("Creating table with " + NUM_REGIONS_TO_CREATE + " regions"); |
| Table ht = TEST_UTIL.createMultiRegionTable(table, family, NUM_REGIONS_TO_CREATE); |
| int numRegions = -1; |
| try (RegionLocator r = TEST_UTIL.getConnection().getRegionLocator(table)) { |
| numRegions = r.getStartKeys().length; |
| } |
| numRegions += 1; // catalogs |
| log("Waiting for no more RIT\n"); |
| TEST_UTIL.waitUntilNoRegionsInTransition(60000); |
| log("Disabling table\n"); |
| TEST_UTIL.getHBaseAdmin().disableTable(table); |
| |
| NavigableSet<String> regions = HBaseTestingUtility.getAllOnlineRegions(cluster); |
| assertEquals( |
| "The number of regions for the table tableRestart should be 0 and only" |
| + "the catalog and namespace tables should be present.", 2, regions.size()); |
| |
| List<MasterThread> masterThreads = cluster.getMasterThreads(); |
| MasterThread activeMaster = null; |
| if (masterThreads.get(0).getMaster().isActiveMaster()) { |
| activeMaster = masterThreads.get(0); |
| } else { |
| activeMaster = masterThreads.get(1); |
| } |
| activeMaster.getMaster().stop( |
| "stopping the active master so that the backup can become active"); |
| cluster.hbaseCluster.waitOnMaster(activeMaster); |
| cluster.waitForActiveAndReadyMaster(); |
| |
| assertTrue("The table should not be in enabled state", |
| cluster.getMaster().getTableStateManager().isTableState( |
| TableName.valueOf("tableRestart"), TableState.State.DISABLED, |
| TableState.State.DISABLING)); |
| log("Enabling table\n"); |
| // Need a new Admin, the previous one is on the old master |
| Admin admin = TEST_UTIL.getHBaseAdmin(); |
| admin.enableTable(table); |
| admin.close(); |
| log("Waiting for no more RIT\n"); |
| TEST_UTIL.waitUntilNoRegionsInTransition(60000); |
| log("Verifying there are " + numRegions + " assigned on cluster\n"); |
| regions = HBaseTestingUtility.getAllOnlineRegions(cluster); |
| assertEquals("The assigned regions were not onlined after master" |
| + " switch except for the catalog and namespace tables.", |
| 6, regions.size()); |
| assertTrue("The table should be in enabled state", |
| cluster.getMaster().getTableStateManager() |
| .isTableState(TableName.valueOf("tableRestart"), TableState.State.ENABLED)); |
| ht.close(); |
| TEST_UTIL.shutdownMiniCluster(); |
| } |
| |
| private void log(String msg) { |
| LOG.debug("\n\nTRR: " + msg + "\n"); |
| } |
| } |
| |