| /** |
| * 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 |
| * <p> |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * <p> |
| * 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.ozone.freon; |
| |
| import org.apache.hadoop.hdds.client.ReplicationFactor; |
| import org.apache.hadoop.hdds.client.ReplicationType; |
| import org.apache.hadoop.hdds.conf.OzoneConfiguration; |
| import org.apache.hadoop.ozone.MiniOzoneCluster; |
| import org.apache.hadoop.ozone.container.TestHelper; |
| import org.apache.ratis.server.protocol.TermIndex; |
| import org.apache.ratis.statemachine.StateMachine; |
| import org.apache.ratis.statemachine.impl.SimpleStateMachineStorage; |
| import org.apache.ratis.statemachine.impl.SingleFileSnapshotInfo; |
| import org.junit.AfterClass; |
| import org.junit.Assert; |
| import org.junit.BeforeClass; |
| import org.junit.Ignore; |
| import org.junit.Rule; |
| import org.junit.Test; |
| import org.junit.rules.Timeout; |
| |
| /** |
| * Tests Freon with Datanode restarts without waiting for pipeline to close. |
| */ |
| public class TestFreonWithDatanodeFastRestart { |
| |
| /** |
| * Set a timeout for each test. |
| */ |
| @Rule |
| public Timeout timeout = new Timeout(300000); |
| |
| private static MiniOzoneCluster cluster; |
| private static OzoneConfiguration conf; |
| |
| /** |
| * Create a MiniDFSCluster for testing. |
| * <p> |
| * Ozone is made active by setting OZONE_ENABLED = true |
| * |
| */ |
| @BeforeClass |
| public static void init() throws Exception { |
| conf = new OzoneConfiguration(); |
| cluster = MiniOzoneCluster.newBuilder(conf) |
| .setHbProcessorInterval(1000) |
| .setHbInterval(1000) |
| .setNumDatanodes(3) |
| .build(); |
| cluster.waitForClusterToBeReady(); |
| } |
| |
| /** |
| * Shutdown MiniDFSCluster. |
| */ |
| @AfterClass |
| public static void shutdown() { |
| if (cluster != null) { |
| cluster.shutdown(); |
| } |
| } |
| |
| @Test |
| @Ignore("TODO:HDDS-1160") |
| public void testRestart() throws Exception { |
| startFreon(); |
| StateMachine sm = getStateMachine(); |
| TermIndex termIndexBeforeRestart = sm.getLastAppliedTermIndex(); |
| cluster.restartHddsDatanode(0, false); |
| sm = getStateMachine(); |
| SimpleStateMachineStorage storage = |
| (SimpleStateMachineStorage)sm.getStateMachineStorage(); |
| SingleFileSnapshotInfo snapshotInfo = storage.getLatestSnapshot(); |
| TermIndex termInSnapshot = snapshotInfo.getTermIndex(); |
| String expectedSnapFile = |
| storage.getSnapshotFile(termIndexBeforeRestart.getTerm(), |
| termIndexBeforeRestart.getIndex()).getAbsolutePath(); |
| Assert.assertEquals(expectedSnapFile, |
| snapshotInfo.getFile().getPath().toString()); |
| Assert.assertEquals(termInSnapshot, termIndexBeforeRestart); |
| |
| // After restart the term index might have progressed to apply pending |
| // transactions. |
| TermIndex termIndexAfterRestart = sm.getLastAppliedTermIndex(); |
| Assert.assertTrue(termIndexAfterRestart.getIndex() >= |
| termIndexBeforeRestart.getIndex()); |
| // TODO: fix me |
| // Give some time for the datanode to register again with SCM. |
| // If we try to use the pipeline before the datanode registers with SCM |
| // we end up in "NullPointerException: scmId cannot be null" in |
| // datanode statemachine and datanode crashes. |
| // This has to be fixed. Check HDDS-830. |
| // Until then this sleep should help us! |
| Thread.sleep(5000); |
| startFreon(); |
| } |
| |
| private void startFreon() throws Exception { |
| RandomKeyGenerator randomKeyGenerator = |
| new RandomKeyGenerator((OzoneConfiguration) cluster.getConf()); |
| randomKeyGenerator.setNumOfVolumes(1); |
| randomKeyGenerator.setNumOfBuckets(1); |
| randomKeyGenerator.setNumOfKeys(1); |
| randomKeyGenerator.setType(ReplicationType.RATIS); |
| randomKeyGenerator.setFactor(ReplicationFactor.THREE); |
| randomKeyGenerator.setKeySize(20971520); |
| randomKeyGenerator.setValidateWrites(true); |
| randomKeyGenerator.call(); |
| Assert.assertEquals(1, randomKeyGenerator.getNumberOfVolumesCreated()); |
| Assert.assertEquals(1, randomKeyGenerator.getNumberOfBucketsCreated()); |
| Assert.assertEquals(1, randomKeyGenerator.getNumberOfKeysAdded()); |
| Assert.assertEquals(0, randomKeyGenerator.getUnsuccessfulValidationCount()); |
| } |
| |
| private StateMachine getStateMachine() throws Exception { |
| return TestHelper.getStateMachine(cluster); |
| } |
| } |