| /** |
| * |
| * 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.backup; |
| |
| import static org.junit.Assert.assertTrue; |
| import static org.junit.Assert.fail; |
| |
| import java.io.IOException; |
| import java.util.concurrent.atomic.AtomicLongArray; |
| |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.hbase.HBaseClassTestRule; |
| import org.apache.hadoop.hbase.HBaseTestingUtility; |
| import org.apache.hadoop.hbase.MiniHBaseCluster; |
| import org.apache.hadoop.hbase.backup.impl.BackupManager; |
| import org.apache.hadoop.hbase.client.Connection; |
| import org.apache.hadoop.hbase.testclassification.MediumTests; |
| import org.junit.After; |
| import org.junit.AfterClass; |
| import org.junit.Before; |
| import org.junit.BeforeClass; |
| import org.junit.ClassRule; |
| import org.junit.Test; |
| import org.junit.experimental.categories.Category; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import org.apache.hbase.thirdparty.com.google.common.util.concurrent.Uninterruptibles; |
| |
| @Category(MediumTests.class) |
| public class TestBackupManager { |
| |
| private static final Logger LOG = LoggerFactory.getLogger(TestBackupManager.class); |
| |
| @ClassRule |
| public static final HBaseClassTestRule CLASS_RULE = |
| HBaseClassTestRule.forClass(TestBackupManager.class); |
| |
| private static final HBaseTestingUtility UTIL = new HBaseTestingUtility(); |
| protected static Configuration conf = UTIL.getConfiguration(); |
| protected static MiniHBaseCluster cluster; |
| protected static Connection conn; |
| protected BackupManager backupManager; |
| |
| @BeforeClass |
| public static void setUp() throws Exception { |
| conf.setBoolean(BackupRestoreConstants.BACKUP_ENABLE_KEY, true); |
| BackupManager.decorateMasterConfiguration(conf); |
| BackupManager.decorateRegionServerConfiguration(conf); |
| cluster = UTIL.startMiniCluster(); |
| conn = UTIL.getConnection(); |
| } |
| |
| @AfterClass |
| public static void tearDown() throws IOException { |
| if (cluster != null) { |
| cluster.shutdown(); |
| } |
| } |
| |
| @Before |
| public void before() throws IOException { |
| backupManager = new BackupManager(conn, conn.getConfiguration()); |
| } |
| |
| @After |
| public void after() { |
| backupManager.close(); |
| } |
| |
| AtomicLongArray startTimes = new AtomicLongArray(2); |
| AtomicLongArray stopTimes = new AtomicLongArray(2); |
| |
| @Test |
| public void testStartBackupExclusiveOperation() { |
| |
| long sleepTime = 2000; |
| Runnable r = new Runnable() { |
| @Override |
| public void run() { |
| try { |
| backupManager.startBackupSession(); |
| boolean result = startTimes.compareAndSet(0, 0, System.currentTimeMillis()); |
| if (!result) { |
| result = startTimes.compareAndSet(1, 0, System.currentTimeMillis()); |
| if (!result) { |
| throw new IOException("PANIC! Unreachable code"); |
| } |
| } |
| Thread.sleep(sleepTime); |
| result = stopTimes.compareAndSet(0, 0, System.currentTimeMillis()); |
| if (!result) { |
| result = stopTimes.compareAndSet(1, 0, System.currentTimeMillis()); |
| if (!result) { |
| throw new IOException("PANIC! Unreachable code"); |
| } |
| } |
| backupManager.finishBackupSession(); |
| } catch (IOException | InterruptedException e) { |
| fail("Unexpected exception: " + e.getMessage()); |
| } |
| } |
| }; |
| |
| Thread[] workers = new Thread[2]; |
| for (int i = 0; i < workers.length; i++) { |
| workers[i] = new Thread(r); |
| workers[i].start(); |
| } |
| |
| for (int i = 0; i < workers.length; i++) { |
| Uninterruptibles.joinUninterruptibly(workers[i]); |
| } |
| LOG.info("Diff start time=" + (startTimes.get(1) - startTimes.get(0)) + "ms"); |
| LOG.info("Diff finish time=" + (stopTimes.get(1) - stopTimes.get(0)) + "ms"); |
| assertTrue(startTimes.get(1) - startTimes.get(0) >= sleepTime); |
| assertTrue(stopTimes.get(1) - stopTimes.get(0) >= sleepTime); |
| |
| } |
| |
| } |