| /** |
| * 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.regionserver; |
| |
| import static junit.framework.TestCase.fail; |
| import static org.junit.Assert.assertTrue; |
| |
| import java.io.IOException; |
| import java.util.List; |
| import java.util.stream.Collectors; |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.hbase.DoNotRetryIOException; |
| import org.apache.hadoop.hbase.HBaseClassTestRule; |
| import org.apache.hadoop.hbase.HBaseTestingUtility; |
| import org.apache.hadoop.hbase.TableName; |
| import org.apache.hadoop.hbase.client.Admin; |
| import org.apache.hadoop.hbase.client.DoNotRetryRegionException; |
| import org.apache.hadoop.hbase.client.Put; |
| import org.apache.hadoop.hbase.client.RegionInfo; |
| import org.apache.hadoop.hbase.client.Table; |
| import org.apache.hadoop.hbase.testclassification.MediumTests; |
| import org.apache.hadoop.hbase.util.Bytes; |
| import org.junit.AfterClass; |
| import org.junit.Before; |
| import org.junit.BeforeClass; |
| import org.junit.ClassRule; |
| import org.junit.Rule; |
| import org.junit.Test; |
| import org.junit.experimental.categories.Category; |
| import org.junit.rules.ExpectedException; |
| import org.junit.rules.TestName; |
| |
| /** |
| * Test move fails when table disabled |
| */ |
| @Category({MediumTests.class}) |
| public class TestRegionMove { |
| |
| @ClassRule |
| public static final HBaseClassTestRule CLASS_RULE = |
| HBaseClassTestRule.forClass(TestRegionMove.class); |
| |
| @Rule |
| public ExpectedException thrown = ExpectedException.none(); |
| |
| @Rule |
| public TestName name = new TestName(); |
| private static final HBaseTestingUtility TEST_UTIL = new HBaseTestingUtility(); |
| public static Configuration CONF ; |
| protected static final String F1 = "f1"; |
| |
| // Test names |
| protected TableName tableName; |
| protected String method; |
| |
| @BeforeClass |
| public static void startCluster() throws Exception { |
| TEST_UTIL.startMiniCluster(2); |
| } |
| |
| @AfterClass |
| public static void stopCluster() throws Exception { |
| TEST_UTIL.shutdownMiniCluster(); |
| } |
| |
| @Before |
| public void setup() throws IOException { |
| CONF = TEST_UTIL.getConfiguration(); |
| method = name.getMethodName(); |
| tableName = TableName.valueOf(method); |
| } |
| |
| @Test |
| public void testDisableAndMove() throws Exception { |
| Admin admin = TEST_UTIL.getAdmin(); |
| |
| // Create a table with more than one region |
| Table t = TEST_UTIL.createMultiRegionTable(tableName, Bytes.toBytes(F1), 10); |
| TEST_UTIL.waitUntilAllRegionsAssigned(tableName); |
| |
| // Write an update to each region |
| for (RegionInfo regionInfo : admin.getRegions(tableName)) { |
| byte[] startKey = regionInfo.getStartKey(); |
| // The startKey of the first region is "empty", which would throw an error if we try to |
| // Put that. |
| byte[] rowKey = org.apache.hbase.thirdparty.com.google.common.primitives.Bytes.concat( |
| startKey, Bytes.toBytes("1")); |
| Put p = new Put(rowKey); |
| p.addColumn(Bytes.toBytes(F1), Bytes.toBytes("q1"), Bytes.toBytes("value")); |
| t.put(p); |
| } |
| |
| // Get a Region which is on the first RS |
| HRegionServer rs1 = TEST_UTIL.getRSForFirstRegionInTable(tableName); |
| HRegionServer rs2 = TEST_UTIL.getOtherRegionServer(rs1); |
| List<RegionInfo> regionsOnRS1ForTable = admin.getRegions(rs1.getServerName()).stream() |
| .filter((regionInfo) -> regionInfo.getTable().equals(tableName)) |
| .collect(Collectors.toList()); |
| assertTrue( |
| "Expected to find at least one region for " + tableName + " on " + rs1.getServerName() |
| + ", but found none", !regionsOnRS1ForTable.isEmpty()); |
| final RegionInfo regionToMove = regionsOnRS1ForTable.get(0); |
| |
| // Offline the region and then try to move it. Should fail. |
| admin.unassign(regionToMove.getRegionName(), true); |
| try { |
| admin.move(regionToMove.getEncodedNameAsBytes(), rs2.getServerName()); |
| fail(); |
| } catch (DoNotRetryRegionException e) { |
| // We got expected exception |
| } |
| // Reassign for next stage of test. |
| admin.assign(regionToMove.getRegionName()); |
| |
| // Disable the table |
| admin.disableTable(tableName); |
| |
| try { |
| // Move the region to the other RS -- should fail |
| admin.move(regionToMove.getEncodedNameAsBytes(), rs2.getServerName()); |
| fail(); |
| } catch (DoNotRetryIOException e) { |
| // We got expected exception |
| } |
| } |
| } |