opendaylight/md-sal/sal-distributed-datastore/src/test/java/org/opendaylight/controller/cluster/datastore/DistributedDataStoreWithSegmentedJournalIntegrationTest.java

   1 /*
   2  * Copyright (c) 2014, 2017 Cisco Systems, Inc. and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8 package org.opendaylight.controller.cluster.datastore;
   9
  10 import static org.junit.Assert.assertEquals;
  11 import static org.junit.Assert.assertTrue;
  12 import static org.junit.runners.Parameterized.Parameters;
  13 import static org.opendaylight.controller.md.cluster.datastore.model.CarsModel.CAR_QNAME;
  14
  15 import akka.actor.ActorSystem;
  16 import akka.actor.Address;
  17 import akka.actor.AddressFromURIString;
  18 import akka.cluster.Cluster;
  19 import akka.testkit.javadsl.TestKit;
  20 import com.google.common.base.Stopwatch;
  21 import com.google.common.util.concurrent.Uninterruptibles;
  22 import com.typesafe.config.ConfigFactory;
  23 import java.io.File;
  24 import java.io.IOException;
  25 import java.math.BigInteger;
  26 import java.util.Arrays;
  27 import java.util.Collection;
  28 import java.util.Optional;
  29 import java.util.concurrent.TimeUnit;
  30 import java.util.concurrent.atomic.AtomicBoolean;
  31 import org.apache.commons.io.FileUtils;
  32 import org.junit.After;
  33 import org.junit.Before;
  34 import org.junit.Test;
  35 import org.junit.runner.RunWith;
  36 import org.junit.runners.Parameterized;
  37 import org.opendaylight.controller.cluster.raft.utils.InMemorySnapshotStore;
  38 import org.opendaylight.controller.md.cluster.datastore.model.CarsModel;
  39 import org.opendaylight.mdsal.dom.spi.store.DOMStoreReadWriteTransaction;
  40 import org.opendaylight.mdsal.dom.spi.store.DOMStoreTransactionChain;
  41 import org.opendaylight.mdsal.dom.spi.store.DOMStoreWriteTransaction;
  42 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
  43 import org.opendaylight.yangtools.yang.data.api.schema.MapEntryNode;
  44 import org.opendaylight.yangtools.yang.data.api.schema.MapNode;
  45 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
  46 import org.opendaylight.yangtools.yang.data.impl.schema.ImmutableNodes;
  47 import org.opendaylight.yangtools.yang.data.impl.schema.builder.api.CollectionNodeBuilder;
  48
  49 @RunWith(Parameterized.class)
  50 public class DistributedDataStoreWithSegmentedJournalIntegrationTest
  51         extends AbstractDistributedDataStoreIntegrationTest {
  52
  53     @Parameters(name = "{0}")
  54     public static Collection<Object[]> data() {
  55         return Arrays.asList(new Object[][] {
  56                 { DistributedDataStore.class }});
  57     }
  58
  59     @Before
  60     public void setUp() {
  61         InMemorySnapshotStore.clear();
  62         system = ActorSystem.create("cluster-test",
  63                 ConfigFactory.load("segmented.conf").getConfig("Member1"));
  64         cleanSnapshotDir(system);
  65
  66         Address member1Address = AddressFromURIString.parse("akka://cluster-test@127.0.0.1:2558");
  67         Cluster.get(system).join(member1Address);
  68     }
  69
  70     @After
  71     public void tearDown() {
  72         TestKit.shutdownActorSystem(system, true);
  73         system = null;
  74     }
  75
  76     private static void cleanSnapshotDir(final ActorSystem system) {
  77         File journalDir = new File(system.settings().config()
  78                 .getString("akka.persistence.journal.segmented-file.root-directory"));
  79
  80         if (!journalDir.exists()) {
  81             return;
  82         }
  83
  84         try {
  85             FileUtils.cleanDirectory(journalDir);
  86         } catch (IOException e) {
  87             // Ignore
  88         }
  89     }
  90
  91     @Test
  92     public void testManyWritesDeletes() throws Exception {
  93         final IntegrationTestKit testKit = new IntegrationTestKit(getSystem(), datastoreContextBuilder);
  94         CollectionNodeBuilder<MapEntryNode, MapNode> carMapBuilder = ImmutableNodes.mapNodeBuilder(CAR_QNAME);
  95
  96         try (AbstractDataStore dataStore = testKit.setupAbstractDataStore(
  97                 testParameter, "testManyWritesDeletes", "module-shards-cars-member-1.conf", true, "cars")) {
  98
  99             DOMStoreTransactionChain txChain = dataStore.createTransactionChain();
 100
 101             DOMStoreWriteTransaction writeTx = txChain.newWriteOnlyTransaction();
 102             writeTx.write(CarsModel.BASE_PATH, CarsModel.emptyContainer());
 103             writeTx.write(CarsModel.CAR_LIST_PATH, CarsModel.newCarMapNode());
 104             testKit.doCommit(writeTx.ready());
 105
 106             int numCars = 20;
 107             for (int i = 0; i < numCars; ++i) {
 108                 DOMStoreReadWriteTransaction rwTx = txChain.newReadWriteTransaction();
 109
 110                 YangInstanceIdentifier path = CarsModel.newCarPath("car" + i);
 111                 MapEntryNode data = CarsModel.newCarEntry("car" + i, BigInteger.valueOf(20000));
 112
 113                 rwTx.merge(path, data);
 114                 carMapBuilder.withChild(data);
 115
 116                 testKit.doCommit(rwTx.ready());
 117
 118                 if (i % 5 == 0) {
 119                     rwTx = txChain.newReadWriteTransaction();
 120
 121                     rwTx.delete(path);
 122                     carMapBuilder.withoutChild(path.getLastPathArgument());
 123                     testKit.doCommit(rwTx.ready());
 124                 }
 125             }
 126
 127             final Optional<NormalizedNode<?, ?>> optional = txChain.newReadOnlyTransaction()
 128                     .read(CarsModel.CAR_LIST_PATH).get(5, TimeUnit.SECONDS);
 129             assertTrue("isPresent", optional.isPresent());
 130
 131             MapNode cars = carMapBuilder.build();
 132
 133             assertEquals("cars not matching result", cars, optional.get());
 134
 135             txChain.close();
 136
 137
 138             // wait until the journal is actually persisted, killing the datastore early results in missing entries
 139             Stopwatch sw = Stopwatch.createStarted();
 140             AtomicBoolean done = new AtomicBoolean(false);
 141             while (!done.get()) {
 142                 MemberNode.verifyRaftState(dataStore, "cars", raftState -> {
 143                     if (raftState.getLastApplied() == raftState.getLastLogIndex()) {
 144                         done.set(true);
 145                     }
 146                 });
 147
 148                 assertTrue("Shard did not persist all journal entries in time.", sw.elapsed(TimeUnit.SECONDS) <= 5);
 149
 150                 Uninterruptibles.sleepUninterruptibly(50, TimeUnit.MILLISECONDS);
 151             }
 152         }
 153
 154         // test restoration from journal and verify data matches
 155         try (AbstractDataStore dataStore = testKit.setupAbstractDataStore(
 156                 testParameter, "testManyWritesDeletes", "module-shards-cars-member-1.conf", true, "cars")) {
 157
 158             DOMStoreTransactionChain txChain = dataStore.createTransactionChain();
 159             MapNode cars = carMapBuilder.build();
 160
 161             final Optional<NormalizedNode<?, ?>> optional = txChain.newReadOnlyTransaction()
 162                     .read(CarsModel.CAR_LIST_PATH).get(5, TimeUnit.SECONDS);
 163             assertTrue("isPresent", optional.isPresent());
 164             assertEquals("restored cars do not match snapshot", cars, optional.get());
 165
 166             txChain.close();
 167         }
 168     }
 169 }