| /** |
| * 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.assertFalse; |
| import static org.junit.Assert.assertTrue; |
| |
| import java.util.HashSet; |
| import java.util.Set; |
| |
| import org.apache.commons.logging.Log; |
| import org.apache.commons.logging.LogFactory; |
| import org.apache.hadoop.fs.FileSystem; |
| import org.apache.hadoop.fs.Path; |
| import org.apache.hadoop.hbase.HBaseTestingUtility; |
| import org.apache.hadoop.hbase.HConstants; |
| import org.apache.hadoop.hbase.ServerName; |
| import org.apache.hadoop.hbase.SplitLogTask; |
| import org.apache.hadoop.hbase.testclassification.MasterTests; |
| import org.apache.hadoop.hbase.testclassification.MediumTests; |
| import org.apache.hadoop.hbase.util.FSUtils; |
| import org.apache.hadoop.hbase.zookeeper.ZKSplitLog; |
| import org.apache.hadoop.hbase.zookeeper.ZKUtil; |
| import org.apache.hadoop.hbase.zookeeper.ZooKeeperWatcher; |
| import org.apache.zookeeper.CreateMode; |
| import org.apache.zookeeper.ZooDefs.Ids; |
| import org.junit.AfterClass; |
| import org.junit.BeforeClass; |
| import org.junit.Test; |
| import org.junit.experimental.categories.Category; |
| |
| /** |
| * Test the master wal manager in a local cluster |
| */ |
| @Category({MasterTests.class, MediumTests.class}) |
| public class TestMasterWalManager { |
| private static final Log LOG = LogFactory.getLog(TestMasterWalManager.class); |
| private static final HBaseTestingUtility UTIL = new HBaseTestingUtility(); |
| |
| @BeforeClass |
| public static void setupTest() throws Exception { |
| UTIL.startMiniCluster(); |
| } |
| |
| @AfterClass |
| public static void teardownTest() throws Exception { |
| UTIL.shutdownMiniCluster(); |
| } |
| |
| @Test |
| public void testRemoveStaleRecoveringRegionsDuringMasterInitialization() throws Exception { |
| // this test is for when distributed log replay is enabled |
| if (!UTIL.getConfiguration().getBoolean(HConstants.DISTRIBUTED_LOG_REPLAY_KEY, false)) return; |
| |
| LOG.info("Starting testRemoveStaleRecoveringRegionsDuringMasterInitialization"); |
| HMaster master = UTIL.getMiniHBaseCluster().getMaster(); |
| MasterWalManager mwm = master.getMasterWalManager(); |
| |
| String failedRegion = "failedRegoin1"; |
| String staleRegion = "staleRegion"; |
| ServerName inRecoveryServerName = ServerName.valueOf("mgr,1,1"); |
| ServerName previouselyFaildServerName = ServerName.valueOf("previous,1,1"); |
| String walPath = "/hbase/data/.logs/" + inRecoveryServerName.getServerName() |
| + "-splitting/test"; |
| // Create a ZKW to use in the test |
| ZooKeeperWatcher zkw = HBaseTestingUtility.getZooKeeperWatcher(UTIL); |
| zkw.getRecoverableZooKeeper().create(ZKSplitLog.getEncodedNodeName(zkw, walPath), |
| new SplitLogTask.Owned(inRecoveryServerName, mwm.getLogRecoveryMode()).toByteArray(), |
| Ids.OPEN_ACL_UNSAFE, CreateMode.PERSISTENT); |
| String staleRegionPath = ZKUtil.joinZNode(zkw.recoveringRegionsZNode, staleRegion); |
| ZKUtil.createWithParents(zkw, staleRegionPath); |
| String inRecoveringRegionPath = ZKUtil.joinZNode(zkw.recoveringRegionsZNode, failedRegion); |
| inRecoveringRegionPath = ZKUtil.joinZNode(inRecoveringRegionPath, |
| inRecoveryServerName.getServerName()); |
| ZKUtil.createWithParents(zkw, inRecoveringRegionPath); |
| Set<ServerName> servers = new HashSet<ServerName>(); |
| servers.add(previouselyFaildServerName); |
| mwm.removeStaleRecoveringRegionsFromZK(servers); |
| |
| // verification |
| assertFalse(ZKUtil.checkExists(zkw, staleRegionPath) != -1); |
| assertTrue(ZKUtil.checkExists(zkw, inRecoveringRegionPath) != -1); |
| |
| ZKUtil.deleteChildrenRecursively(zkw, zkw.recoveringRegionsZNode); |
| ZKUtil.deleteChildrenRecursively(zkw, zkw.splitLogZNode); |
| zkw.close(); |
| } |
| } |