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

   1 /*
   2  * Copyright (c) 2015 Brocade Communications 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.entityownership;
   9
  10 import static org.junit.Assert.assertEquals;
  11 import static org.junit.Assert.assertFalse;
  12 import static org.junit.Assert.assertNotNull;
  13 import static org.junit.Assert.assertSame;
  14 import static org.junit.Assert.assertTrue;
  15 import static org.junit.Assert.fail;
  16 import static org.mockito.Mockito.mock;
  17 import static org.mockito.Mockito.reset;
  18 import static org.mockito.Mockito.spy;
  19 import static org.mockito.Mockito.verify;
  20 import static org.mockito.Mockito.when;
  21 import static org.opendaylight.controller.cluster.datastore.entityownership.EntityOwnersModel.ENTITY_ID_QNAME;
  22 import static org.opendaylight.controller.cluster.datastore.entityownership.EntityOwnersModel.ENTITY_OWNERS_PATH;
  23 import static org.opendaylight.controller.cluster.datastore.entityownership.EntityOwnersModel.ENTITY_QNAME;
  24 import static org.opendaylight.controller.cluster.datastore.entityownership.EntityOwnersModel.candidatePath;
  25 import static org.opendaylight.controller.cluster.datastore.entityownership.EntityOwnersModel.entityEntryWithOwner;
  26 import static org.opendaylight.controller.cluster.datastore.entityownership.EntityOwnersModel.entityOwnersWithCandidate;
  27 import static org.opendaylight.controller.cluster.datastore.entityownership.EntityOwnersModel.entityOwnersWithEntityTypeEntry;
  28 import static org.opendaylight.controller.cluster.datastore.entityownership.EntityOwnersModel.entityPath;
  29 import static org.opendaylight.controller.cluster.datastore.entityownership.EntityOwnersModel.entityTypeEntryWithEntityEntry;
  30
  31 import akka.actor.ActorRef;
  32 import com.google.common.base.Optional;
  33 import com.google.common.collect.Sets;
  34 import java.util.Collection;
  35 import java.util.concurrent.TimeUnit;
  36 import org.junit.After;
  37 import org.junit.Before;
  38 import org.junit.Test;
  39 import org.mockito.ArgumentCaptor;
  40 import org.mockito.Mockito;
  41 import org.opendaylight.controller.cluster.access.concepts.MemberName;
  42 import org.opendaylight.controller.cluster.datastore.DatastoreContext;
  43 import org.opendaylight.controller.cluster.datastore.DatastoreContextFactory;
  44 import org.opendaylight.controller.cluster.datastore.DistributedDataStore;
  45 import org.opendaylight.controller.cluster.datastore.Shard;
  46 import org.opendaylight.controller.cluster.datastore.ShardDataTree;
  47 import org.opendaylight.controller.cluster.datastore.config.Configuration;
  48 import org.opendaylight.controller.cluster.datastore.config.ConfigurationImpl;
  49 import org.opendaylight.controller.cluster.datastore.config.EmptyModuleShardConfigProvider;
  50 import org.opendaylight.controller.cluster.datastore.entityownership.messages.RegisterCandidateLocal;
  51 import org.opendaylight.controller.cluster.datastore.entityownership.messages.RegisterListenerLocal;
  52 import org.opendaylight.controller.cluster.datastore.entityownership.messages.UnregisterCandidateLocal;
  53 import org.opendaylight.controller.cluster.datastore.entityownership.messages.UnregisterListenerLocal;
  54 import org.opendaylight.controller.cluster.datastore.entityownership.selectionstrategy.EntityOwnerSelectionStrategyConfig;
  55 import org.opendaylight.controller.cluster.datastore.utils.MockClusterWrapper;
  56 import org.opendaylight.controller.md.cluster.datastore.model.SchemaContextHelper;
  57 import org.opendaylight.mdsal.eos.common.api.CandidateAlreadyRegisteredException;
  58 import org.opendaylight.mdsal.eos.common.api.EntityOwnershipState;
  59 import org.opendaylight.mdsal.eos.dom.api.DOMEntity;
  60 import org.opendaylight.mdsal.eos.dom.api.DOMEntityOwnershipCandidateRegistration;
  61 import org.opendaylight.mdsal.eos.dom.api.DOMEntityOwnershipListener;
  62 import org.opendaylight.mdsal.eos.dom.api.DOMEntityOwnershipListenerRegistration;
  63 import org.opendaylight.yangtools.yang.common.QName;
  64 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
  65 import org.opendaylight.yangtools.yang.data.api.schema.tree.TreeType;
  66 import org.opendaylight.yangtools.yang.data.impl.schema.ImmutableNodes;
  67 import scala.concurrent.Await;
  68 import scala.concurrent.Future;
  69 import scala.concurrent.duration.Duration;
  70
  71 /**
  72  * Unit tests for DistributedEntityOwnershipService.
  73  *
  74  * @author Thomas Pantelis
  75  */
  76 public class DistributedEntityOwnershipServiceTest extends AbstractEntityOwnershipTest {
  77     static final String ENTITY_TYPE = "test";
  78     static final String ENTITY_TYPE2 = "test2";
  79     static final QName QNAME = QName.create("test", "2015-08-11", "foo");
  80     static int ID_COUNTER = 1;
  81
  82     private final String dataStoreName = "config" + ID_COUNTER++;
  83     private DistributedDataStore dataStore;
  84
  85     @Before
  86     public void setUp() {
  87         DatastoreContext datastoreContext = DatastoreContext.newBuilder().dataStoreName(dataStoreName)
  88                 .shardInitializationTimeout(10, TimeUnit.SECONDS).build();
  89
  90         Configuration configuration = new ConfigurationImpl(new EmptyModuleShardConfigProvider()) {
  91             @Override
  92             public Collection<MemberName> getUniqueMemberNamesForAllShards() {
  93                 return Sets.newHashSet(MemberName.forName("member-1"));
  94             }
  95         };
  96
  97         DatastoreContextFactory mockContextFactory = mock(DatastoreContextFactory.class);
  98         Mockito.doReturn(datastoreContext).when(mockContextFactory).getBaseDatastoreContext();
  99         Mockito.doReturn(datastoreContext).when(mockContextFactory).getShardDatastoreContext(Mockito.anyString());
 100
 101         dataStore = new DistributedDataStore(getSystem(), new MockClusterWrapper(), configuration,
 102                 mockContextFactory, null);
 103
 104         dataStore.onGlobalContextUpdated(SchemaContextHelper.entityOwners());
 105     }
 106
 107     @After
 108     public void tearDown() {
 109         dataStore.close();
 110     }
 111
 112     private static <T> T verifyMessage(final DistributedEntityOwnershipService mock, final Class<T> type) {
 113         final ArgumentCaptor<T> message = ArgumentCaptor.forClass(type);
 114         verify(mock).executeLocalEntityOwnershipShardOperation(message.capture());
 115         return message.getValue();
 116     }
 117
 118     @Test
 119     public void testEntityOwnershipShardCreated() throws Exception {
 120         DistributedEntityOwnershipService service = DistributedEntityOwnershipService.start(dataStore.getActorContext(),
 121                 EntityOwnerSelectionStrategyConfig.newBuilder().build());
 122
 123         Future<ActorRef> future = dataStore.getActorContext().findLocalShardAsync(
 124                 DistributedEntityOwnershipService.ENTITY_OWNERSHIP_SHARD_NAME);
 125         ActorRef shardActor = Await.result(future, Duration.create(10, TimeUnit.SECONDS));
 126         assertNotNull(DistributedEntityOwnershipService.ENTITY_OWNERSHIP_SHARD_NAME + " not found", shardActor);
 127
 128         service.close();
 129     }
 130
 131     @Test
 132     public void testRegisterCandidate() throws Exception {
 133         DistributedEntityOwnershipService service = spy(DistributedEntityOwnershipService.start(
 134             dataStore.getActorContext(), EntityOwnerSelectionStrategyConfig.newBuilder().build()));
 135
 136         YangInstanceIdentifier entityId = YangInstanceIdentifier.of(QNAME);
 137         DOMEntity entity = new DOMEntity(ENTITY_TYPE, entityId);
 138
 139         DOMEntityOwnershipCandidateRegistration reg = service.registerCandidate(entity);
 140         verifyRegisterCandidateLocal(service, entity);
 141         verifyEntityOwnershipCandidateRegistration(entity, reg);
 142         verifyEntityCandidate(service.getLocalEntityOwnershipShard(), ENTITY_TYPE, entityId,
 143                 dataStore.getActorContext().getCurrentMemberName().getName());
 144
 145         // Register the same entity - should throw exception
 146
 147         try {
 148             service.registerCandidate(entity);
 149             fail("Expected CandidateAlreadyRegisteredException");
 150         } catch (CandidateAlreadyRegisteredException e) {
 151             // expected
 152             assertEquals("getEntity", entity, e.getEntity());
 153         }
 154
 155         // Register a different entity - should succeed
 156         reset(service);
 157
 158         DOMEntity entity2 = new DOMEntity(ENTITY_TYPE2, entityId);
 159         DOMEntityOwnershipCandidateRegistration reg2 = service.registerCandidate(entity2);
 160
 161         verifyEntityOwnershipCandidateRegistration(entity2, reg2);
 162         verifyEntityCandidate(service.getLocalEntityOwnershipShard(), ENTITY_TYPE2, entityId,
 163                 dataStore.getActorContext().getCurrentMemberName().getName());
 164
 165         service.close();
 166     }
 167
 168     @Test
 169     public void testCloseCandidateRegistration() throws Exception {
 170         DistributedEntityOwnershipService service = spy(DistributedEntityOwnershipService.start(
 171             dataStore.getActorContext(), EntityOwnerSelectionStrategyConfig.newBuilder().build()));
 172
 173         DOMEntity entity = new DOMEntity(ENTITY_TYPE, YangInstanceIdentifier.of(QNAME));
 174
 175         DOMEntityOwnershipCandidateRegistration reg = service.registerCandidate(entity);
 176
 177         verifyEntityOwnershipCandidateRegistration(entity, reg);
 178         verifyRegisterCandidateLocal(service, entity);
 179
 180         reset(service);
 181         reg.close();
 182         UnregisterCandidateLocal unregCandidate = verifyMessage(service, UnregisterCandidateLocal.class);
 183         assertEquals("getEntity", entity, unregCandidate.getEntity());
 184
 185         // Re-register - should succeed.
 186         reset(service);
 187         service.registerCandidate(entity);
 188         verifyRegisterCandidateLocal(service, entity);
 189
 190         service.close();
 191     }
 192
 193     @Test
 194     public void testListenerRegistration() {
 195         DistributedEntityOwnershipService service = spy(DistributedEntityOwnershipService.start(
 196             dataStore.getActorContext(), EntityOwnerSelectionStrategyConfig.newBuilder().build()));
 197
 198         YangInstanceIdentifier entityId = YangInstanceIdentifier.of(QNAME);
 199         DOMEntity entity = new DOMEntity(ENTITY_TYPE, entityId);
 200         DOMEntityOwnershipListener listener = mock(DOMEntityOwnershipListener.class);
 201
 202         DOMEntityOwnershipListenerRegistration reg = service.registerListener(entity.getType(), listener);
 203
 204         assertNotNull("EntityOwnershipListenerRegistration null", reg);
 205         assertEquals("getEntityType", entity.getType(), reg.getEntityType());
 206         assertEquals("getInstance", listener, reg.getInstance());
 207
 208         RegisterListenerLocal regListener = verifyMessage(service, RegisterListenerLocal.class);
 209         assertSame("getListener", listener, regListener.getListener());
 210         assertEquals("getEntityType", entity.getType(), regListener.getEntityType());
 211
 212         reset(service);
 213         reg.close();
 214         UnregisterListenerLocal unregListener = verifyMessage(service, UnregisterListenerLocal.class);
 215         assertEquals("getEntityType", entity.getType(), unregListener.getEntityType());
 216         assertSame("getListener", listener, unregListener.getListener());
 217
 218         service.close();
 219     }
 220
 221     @Test
 222     public void testGetOwnershipState() throws Exception {
 223         DistributedEntityOwnershipService service = spy(DistributedEntityOwnershipService.start(
 224             dataStore.getActorContext(), EntityOwnerSelectionStrategyConfig.newBuilder().build()));
 225
 226         final Shard mockShard = Mockito.mock(Shard.class);
 227         ShardDataTree shardDataTree = new ShardDataTree(mockShard, SchemaContextHelper.entityOwners(),
 228             TreeType.OPERATIONAL);
 229
 230         when(service.getLocalEntityOwnershipShardDataTree()).thenReturn(shardDataTree.getDataTree());
 231
 232         DOMEntity entity1 = new DOMEntity(ENTITY_TYPE, "one");
 233         writeNode(ENTITY_OWNERS_PATH, entityOwnersWithCandidate(ENTITY_TYPE, entity1.getIdentifier(), "member-1"),
 234                 shardDataTree);
 235         writeNode(ENTITY_OWNERS_PATH, entityOwnersWithEntityTypeEntry(entityTypeEntryWithEntityEntry(entity1.getType(),
 236                 entityEntryWithOwner(entity1.getIdentifier(), "member-1"))), shardDataTree);
 237         verifyGetOwnershipState(service, entity1, EntityOwnershipState.IS_OWNER);
 238
 239         writeNode(ENTITY_OWNERS_PATH, entityOwnersWithCandidate(ENTITY_TYPE,
 240                 entity1.getIdentifier(), "member-2"), shardDataTree);
 241         writeNode(entityPath(entity1.getType(), entity1.getIdentifier()),
 242                 entityEntryWithOwner(entity1.getIdentifier(), "member-2"), shardDataTree);
 243         verifyGetOwnershipState(service, entity1, EntityOwnershipState.OWNED_BY_OTHER);
 244
 245         writeNode(entityPath(entity1.getType(), entity1.getIdentifier()), entityEntryWithOwner(entity1.getIdentifier(),
 246                 ""), shardDataTree);
 247         verifyGetOwnershipState(service, entity1, EntityOwnershipState.NO_OWNER);
 248
 249         DOMEntity entity2 = new DOMEntity(ENTITY_TYPE, "two");
 250         Optional<EntityOwnershipState> state = service.getOwnershipState(entity2);
 251         assertEquals("getOwnershipState present", false, state.isPresent());
 252
 253         writeNode(ENTITY_OWNERS_PATH, entityOwnersWithCandidate(ENTITY_TYPE, entity2.getIdentifier(), "member-1"),
 254                 shardDataTree);
 255         writeNode(entityPath(entity2.getType(), entity2.getIdentifier()), ImmutableNodes.mapEntry(ENTITY_QNAME,
 256                 ENTITY_ID_QNAME, entity2.getIdentifier()), shardDataTree);
 257         verifyGetOwnershipState(service, entity2, EntityOwnershipState.NO_OWNER);
 258
 259         deleteNode(candidatePath(entityPath(entity2.getType(), entity2.getIdentifier()), "member-1"), shardDataTree);
 260         Optional<EntityOwnershipState> state2 = service.getOwnershipState(entity2);
 261         assertEquals("getOwnershipState present", false, state2.isPresent());
 262         service.close();
 263     }
 264
 265     @Test
 266     public void testIsCandidateRegistered() throws CandidateAlreadyRegisteredException {
 267         DistributedEntityOwnershipService service = DistributedEntityOwnershipService.start(dataStore.getActorContext(),
 268                 EntityOwnerSelectionStrategyConfig.newBuilder().build());
 269
 270         final DOMEntity test = new DOMEntity("test-type", "test");
 271
 272         assertFalse(service.isCandidateRegistered(test));
 273
 274         service.registerCandidate(test);
 275
 276         assertTrue(service.isCandidateRegistered(test));
 277
 278         service.close();
 279     }
 280
 281     private static void verifyGetOwnershipState(final DistributedEntityOwnershipService service, final DOMEntity entity,
 282             final EntityOwnershipState expState) {
 283         Optional<EntityOwnershipState> state = service.getOwnershipState(entity);
 284         assertEquals("getOwnershipState present", true, state.isPresent());
 285         assertEquals("EntityOwnershipState", expState, state.get());
 286     }
 287
 288     @SuppressWarnings("checkstyle:IllegalCatch")
 289     private void verifyEntityCandidate(final ActorRef entityOwnershipShard, final String entityType,
 290             final YangInstanceIdentifier entityId, final String candidateName) {
 291         verifyEntityCandidate(entityType, entityId, candidateName, path -> {
 292             try {
 293                 return dataStore.newReadOnlyTransaction().read(path).get(5, TimeUnit.SECONDS).get();
 294             } catch (Exception e) {
 295                 return null;
 296             }
 297         });
 298     }
 299
 300     private static void verifyRegisterCandidateLocal(final DistributedEntityOwnershipService service,
 301             final DOMEntity entity) {
 302         RegisterCandidateLocal regCandidate = verifyMessage(service, RegisterCandidateLocal.class);
 303         assertEquals("getEntity", entity, regCandidate.getEntity());
 304     }
 305
 306     private static void verifyEntityOwnershipCandidateRegistration(final DOMEntity entity,
 307             final DOMEntityOwnershipCandidateRegistration reg) {
 308         assertNotNull("EntityOwnershipCandidateRegistration null", reg);
 309         assertEquals("getInstance", entity, reg.getInstance());
 310     }
 311 }