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.opendaylight.controller.md.cluster.datastore.model.CarsModel.CAR_QNAME;
  13
  14 import akka.actor.ActorSystem;
  15 import akka.actor.Address;
  16 import akka.actor.AddressFromURIString;
  17 import akka.cluster.Cluster;
  18 import akka.testkit.javadsl.TestKit;
  19 import com.google.common.base.Stopwatch;
  20 import com.google.common.util.concurrent.Uninterruptibles;
  21 import com.typesafe.config.ConfigFactory;
  22 import java.io.File;
  23 import java.io.IOException;
  24 import java.util.Arrays;
  25 import java.util.Collection;
  26 import java.util.Optional;
  27 import java.util.concurrent.TimeUnit;
  28 import java.util.concurrent.atomic.AtomicBoolean;
  29 import org.apache.commons.io.FileUtils;
  30 import org.junit.After;
  31 import org.junit.Before;
  32 import org.junit.Test;
  33 import org.junit.runner.RunWith;
  34 import org.junit.runners.Parameterized;
  35 import org.junit.runners.Parameterized.Parameters;
  36 import org.opendaylight.controller.cluster.databroker.TestClientBackedDataStore;
  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.common.Uint64;
  43 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
  44 import org.opendaylight.yangtools.yang.data.api.schema.MapEntryNode;
  45 import org.opendaylight.yangtools.yang.data.api.schema.MapNode;
  46 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
  47 import org.opendaylight.yangtools.yang.data.impl.schema.ImmutableNodes;
  48 import org.opendaylight.yangtools.yang.data.impl.schema.builder.api.CollectionNodeBuilder;
  49
  50 @RunWith(Parameterized.class)
  51 public class DistributedDataStoreWithSegmentedJournalIntegrationTest
  52         extends AbstractDistributedDataStoreIntegrationTest {
  53
  54     @Parameters(name = "{0}")
  55     public static Collection<Object[]> data() {
  56         return Arrays.asList(new Object[][] {
  57                 { TestDistributedDataStore.class }, { TestClientBackedDataStore.class }
  58         });
  59     }
  60
  61     @Before
  62     public void setUp() {
  63         InMemorySnapshotStore.clear();
  64         system = ActorSystem.create("cluster-test",
  65                 ConfigFactory.load("segmented.conf").getConfig("Member1"));
  66         cleanSnapshotDir(system);
  67
  68         Address member1Address = AddressFromURIString.parse("akka://cluster-test@127.0.0.1:2558");
  69         Cluster.get(system).join(member1Address);
  70     }
  71
  72     @After
  73     public void tearDown() {
  74         TestKit.shutdownActorSystem(system, true);
  75         system = null;
  76     }
  77
  78     private static void cleanSnapshotDir(final ActorSystem system) {
  79         File journalDir = new File(system.settings().config()
  80                 .getString("akka.persistence.journal.segmented-file.root-directory"));
  81
  82         if (!journalDir.exists()) {
  83             return;
  84         }
  85
  86         try {
  87             FileUtils.cleanDirectory(journalDir);
  88         } catch (IOException e) {
  89             // Ignore
  90         }
  91     }
  92
  93     @Test
  94     public void testManyWritesDeletes() throws Exception {
  95         final IntegrationTestKit testKit = new IntegrationTestKit(getSystem(), datastoreContextBuilder);
  96         CollectionNodeBuilder<MapEntryNode, MapNode> carMapBuilder = ImmutableNodes.mapNodeBuilder(CAR_QNAME);
  97
  98         try (AbstractDataStore dataStore = testKit.setupAbstractDataStore(
  99                 testParameter, "testManyWritesDeletes", "module-shards-cars-member-1.conf", true, "cars")) {
 100
 101             DOMStoreTransactionChain txChain = dataStore.createTransactionChain();
 102
 103             DOMStoreWriteTransaction writeTx = txChain.newWriteOnlyTransaction();
 104             writeTx.write(CarsModel.BASE_PATH, CarsModel.emptyContainer());
 105             writeTx.write(CarsModel.CAR_LIST_PATH, CarsModel.newCarMapNode());
 106             testKit.doCommit(writeTx.ready());
 107
 108             int numCars = 20;
 109             for (int i = 0; i < numCars; ++i) {
 110                 DOMStoreReadWriteTransaction rwTx = txChain.newReadWriteTransaction();
 111
 112                 YangInstanceIdentifier path = CarsModel.newCarPath("car" + i);
 113                 MapEntryNode data = CarsModel.newCarEntry("car" + i, Uint64.valueOf(20000));
 114
 115                 rwTx.merge(path, data);
 116                 carMapBuilder.withChild(data);
 117
 118                 testKit.doCommit(rwTx.ready());
 119
 120                 if (i % 5 == 0) {
 121                     rwTx = txChain.newReadWriteTransaction();
 122
 123                     rwTx.delete(path);
 124                     carMapBuilder.withoutChild(path.getLastPathArgument());
 125                     testKit.doCommit(rwTx.ready());
 126                 }
 127             }
 128
 129             final Optional<NormalizedNode<?, ?>> optional = txChain.newReadOnlyTransaction()
 130                     .read(CarsModel.CAR_LIST_PATH).get(5, TimeUnit.SECONDS);
 131             assertTrue("isPresent", optional.isPresent());
 132
 133             MapNode cars = carMapBuilder.build();
 134
 135             assertEquals("cars not matching result", cars, optional.get());
 136
 137             txChain.close();
 138
 139
 140             // wait until the journal is actually persisted, killing the datastore early results in missing entries
 141             Stopwatch sw = Stopwatch.createStarted();
 142             AtomicBoolean done = new AtomicBoolean(false);
 143             while (!done.get()) {
 144                 MemberNode.verifyRaftState(dataStore, "cars", raftState -> {
 145                     if (raftState.getLastApplied() == raftState.getLastLogIndex()) {
 146                         done.set(true);
 147                     }
 148                 });
 149
 150                 assertTrue("Shard did not persist all journal entries in time.", sw.elapsed(TimeUnit.SECONDS) <= 5);
 151
 152                 Uninterruptibles.sleepUninterruptibly(50, TimeUnit.MILLISECONDS);
 153             }
 154         }
 155
 156         // test restoration from journal and verify data matches
 157         try (AbstractDataStore dataStore = testKit.setupAbstractDataStore(
 158                 testParameter, "testManyWritesDeletes", "module-shards-cars-member-1.conf", true, "cars")) {
 159
 160             DOMStoreTransactionChain txChain = dataStore.createTransactionChain();
 161             MapNode cars = carMapBuilder.build();
 162
 163             final Optional<NormalizedNode<?, ?>> optional = txChain.newReadOnlyTransaction()
 164                     .read(CarsModel.CAR_LIST_PATH).get(5, TimeUnit.SECONDS);
 165             assertTrue("isPresent", optional.isPresent());
 166             assertEquals("restored cars do not match snapshot", cars, optional.get());
 167
 168             txChain.close();
 169         }
 170     }
 171 }