| /** |
| * 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.client; |
| |
| import static org.junit.Assert.assertEquals; |
| |
| import java.io.IOException; |
| import java.util.List; |
| import org.apache.hadoop.hbase.TableName; |
| import org.apache.hadoop.hbase.master.RegionState; |
| import org.apache.hadoop.hbase.master.assignment.RegionStates; |
| import org.apache.hadoop.hbase.snapshot.SnapshotTestingUtils; |
| import org.apache.hadoop.hbase.util.Bytes; |
| import org.junit.Test; |
| |
| public class CloneSnapshotFromClientAfterSplittingRegionTestBase |
| extends CloneSnapshotFromClientTestBase { |
| |
| private void splitRegion(final RegionInfo regionInfo) throws IOException { |
| byte[][] splitPoints = Bytes.split(regionInfo.getStartKey(), regionInfo.getEndKey(), 1); |
| admin.split(regionInfo.getTable(), splitPoints[1]); |
| } |
| |
| @Test |
| public void testCloneSnapshotAfterSplittingRegion() throws IOException, InterruptedException { |
| // Turn off the CatalogJanitor |
| admin.catalogJanitorSwitch(false); |
| |
| try { |
| List<RegionInfo> regionInfos = admin.getRegions(tableName); |
| RegionReplicaUtil.removeNonDefaultRegions(regionInfos); |
| |
| // Split the first region |
| splitRegion(regionInfos.get(0)); |
| |
| // Take a snapshot |
| admin.snapshot(snapshotName2, tableName); |
| |
| // Clone the snapshot to another table |
| TableName clonedTableName = |
| TableName.valueOf(getValidMethodName() + "-" + System.currentTimeMillis()); |
| admin.cloneSnapshot(snapshotName2, clonedTableName); |
| SnapshotTestingUtils.waitForTableToBeOnline(TEST_UTIL, clonedTableName); |
| |
| verifyRowCount(TEST_UTIL, clonedTableName, snapshot1Rows); |
| |
| RegionStates regionStates = |
| TEST_UTIL.getHBaseCluster().getMaster().getAssignmentManager().getRegionStates(); |
| |
| // The region count of the cloned table should be the same as the one of the original table |
| int openRegionCountOfOriginalTable = |
| regionStates.getRegionByStateOfTable(tableName).get(RegionState.State.OPEN).size(); |
| int openRegionCountOfClonedTable = |
| regionStates.getRegionByStateOfTable(clonedTableName).get(RegionState.State.OPEN).size(); |
| assertEquals(openRegionCountOfOriginalTable, openRegionCountOfClonedTable); |
| |
| int splitRegionCountOfOriginalTable = |
| regionStates.getRegionByStateOfTable(tableName).get(RegionState.State.SPLIT).size(); |
| int splitRegionCountOfClonedTable = |
| regionStates.getRegionByStateOfTable(clonedTableName).get(RegionState.State.SPLIT).size(); |
| assertEquals(splitRegionCountOfOriginalTable, splitRegionCountOfClonedTable); |
| |
| TEST_UTIL.deleteTable(clonedTableName); |
| } finally { |
| admin.catalogJanitorSwitch(true); |
| } |
| } |
| |
| @Test |
| public void testCloneSnapshotBeforeSplittingRegionAndDroppingTable() |
| throws IOException, InterruptedException { |
| // Turn off the CatalogJanitor |
| admin.catalogJanitorSwitch(false); |
| |
| try { |
| // Take a snapshot |
| admin.snapshot(snapshotName2, tableName); |
| |
| // Clone the snapshot to another table |
| TableName clonedTableName = |
| TableName.valueOf(getValidMethodName() + "-" + System.currentTimeMillis()); |
| admin.cloneSnapshot(snapshotName2, clonedTableName); |
| SnapshotTestingUtils.waitForTableToBeOnline(TEST_UTIL, clonedTableName); |
| |
| // Split the first region of the original table |
| List<RegionInfo> regionInfos = admin.getRegions(tableName); |
| RegionReplicaUtil.removeNonDefaultRegions(regionInfos); |
| splitRegion(regionInfos.get(0)); |
| |
| // Drop the original table |
| admin.disableTable(tableName); |
| admin.deleteTable(tableName); |
| |
| // Disable and enable the cloned table. This should be successful |
| admin.disableTable(clonedTableName); |
| admin.enableTable(clonedTableName); |
| SnapshotTestingUtils.waitForTableToBeOnline(TEST_UTIL, clonedTableName); |
| |
| verifyRowCount(TEST_UTIL, clonedTableName, snapshot1Rows); |
| } finally { |
| admin.catalogJanitorSwitch(true); |
| } |
| } |
| } |