netconf/netconf-topology-singleton/src/test/java/org/opendaylight/netconf/topology/singleton/impl/MountPointEndToEndTest.java

   1 /*
   2  * Copyright (c) 2018 Inocybe Technologies 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.netconf.topology.singleton.impl;
   9
  10 import static org.awaitility.Awaitility.await;
  11 import static org.junit.Assert.assertEquals;
  12 import static org.junit.Assert.assertFalse;
  13 import static org.junit.Assert.assertNotNull;
  14 import static org.junit.Assert.assertNull;
  15 import static org.junit.Assert.assertTrue;
  16 import static org.junit.Assert.fail;
  17 import static org.mockito.Matchers.any;
  18 import static org.mockito.Mockito.doAnswer;
  19 import static org.mockito.Mockito.doReturn;
  20 import static org.mockito.Mockito.never;
  21 import static org.mockito.Mockito.spy;
  22 import static org.mockito.Mockito.timeout;
  23 import static org.mockito.Mockito.verify;
  24 import static org.mockito.MockitoAnnotations.initMocks;
  25
  26 import akka.actor.ActorSystem;
  27 import akka.testkit.javadsl.TestKit;
  28 import akka.util.Timeout;
  29 import com.google.common.base.Optional;
  30 import com.google.common.collect.ImmutableList;
  31 import com.google.common.collect.ImmutableSet;
  32 import com.google.common.util.concurrent.CheckedFuture;
  33 import com.google.common.util.concurrent.Futures;
  34 import com.google.common.util.concurrent.ListenableFuture;
  35 import com.google.common.util.concurrent.MoreExecutors;
  36 import com.google.common.util.concurrent.SettableFuture;
  37 import com.typesafe.config.ConfigFactory;
  38 import io.netty.util.concurrent.EventExecutor;
  39 import io.netty.util.concurrent.GlobalEventExecutor;
  40 import io.netty.util.concurrent.SucceededFuture;
  41 import java.io.File;
  42 import java.util.AbstractMap.SimpleEntry;
  43 import java.util.Arrays;
  44 import java.util.Collections;
  45 import java.util.Iterator;
  46 import java.util.Map.Entry;
  47 import java.util.Set;
  48 import java.util.concurrent.ExecutionException;
  49 import java.util.concurrent.TimeUnit;
  50 import java.util.concurrent.TimeoutException;
  51 import org.apache.commons.io.FileUtils;
  52 import org.junit.After;
  53 import org.junit.Before;
  54 import org.junit.Test;
  55 import org.mockito.Mock;
  56 import org.opendaylight.aaa.encrypt.AAAEncryptionService;
  57 import org.opendaylight.controller.cluster.ActorSystemProvider;
  58 import org.opendaylight.controller.config.threadpool.ScheduledThreadPool;
  59 import org.opendaylight.controller.config.threadpool.ThreadPool;
  60 import org.opendaylight.controller.md.sal.binding.api.BindingTransactionChain;
  61 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  62 import org.opendaylight.controller.md.sal.binding.api.DataObjectModification;
  63 import org.opendaylight.controller.md.sal.binding.api.DataTreeIdentifier;
  64 import org.opendaylight.controller.md.sal.binding.api.DataTreeModification;
  65 import org.opendaylight.controller.md.sal.binding.api.ReadOnlyTransaction;
  66 import org.opendaylight.controller.md.sal.binding.api.WriteTransaction;
  67 import org.opendaylight.controller.md.sal.binding.test.AbstractConcurrentDataBrokerTest;
  68 import org.opendaylight.controller.md.sal.common.api.data.AsyncTransaction;
  69 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  70 import org.opendaylight.controller.md.sal.common.api.data.TransactionChain;
  71 import org.opendaylight.controller.md.sal.common.api.data.TransactionChainListener;
  72 import org.opendaylight.controller.md.sal.dom.api.DOMDataBroker;
  73 import org.opendaylight.controller.md.sal.dom.api.DOMDataReadTransaction;
  74 import org.opendaylight.controller.md.sal.dom.api.DOMDataReadWriteTransaction;
  75 import org.opendaylight.controller.md.sal.dom.api.DOMDataWriteTransaction;
  76 import org.opendaylight.controller.md.sal.dom.api.DOMMountPoint;
  77 import org.opendaylight.controller.md.sal.dom.api.DOMMountPointService;
  78 import org.opendaylight.controller.md.sal.dom.api.DOMRpcException;
  79 import org.opendaylight.controller.md.sal.dom.api.DOMRpcIdentifier;
  80 import org.opendaylight.controller.md.sal.dom.api.DOMRpcImplementation;
  81 import org.opendaylight.controller.md.sal.dom.api.DOMRpcResult;
  82 import org.opendaylight.controller.md.sal.dom.api.DOMRpcService;
  83 import org.opendaylight.controller.md.sal.dom.api.DOMService;
  84 import org.opendaylight.controller.md.sal.dom.broker.impl.DOMRpcRouter;
  85 import org.opendaylight.controller.md.sal.dom.broker.impl.mount.DOMMountPointServiceImpl;
  86 import org.opendaylight.controller.md.sal.dom.spi.DefaultDOMRpcResult;
  87 import org.opendaylight.controller.sal.binding.api.RpcProviderRegistry;
  88 import org.opendaylight.mdsal.binding.dom.codec.api.BindingNormalizedNodeSerializer;
  89 import org.opendaylight.mdsal.binding.generator.impl.ModuleInfoBackedContext;
  90 import org.opendaylight.mdsal.binding.spec.reflect.BindingReflections;
  91 import org.opendaylight.mdsal.dom.api.DOMMountPointListener;
  92 import org.opendaylight.mdsal.eos.dom.simple.SimpleDOMEntityOwnershipService;
  93 import org.opendaylight.mdsal.singleton.common.api.ClusterSingletonServiceProvider;
  94 import org.opendaylight.mdsal.singleton.common.api.ClusterSingletonServiceRegistration;
  95 import org.opendaylight.mdsal.singleton.common.api.ServiceGroupIdentifier;
  96 import org.opendaylight.mdsal.singleton.dom.impl.DOMClusterSingletonServiceProviderImpl;
  97 import org.opendaylight.netconf.client.NetconfClientDispatcher;
  98 import org.opendaylight.netconf.sal.connect.netconf.listener.NetconfSessionPreferences;
  99 import org.opendaylight.netconf.topology.singleton.impl.utils.ClusteringRpcException;
 100 import org.opendaylight.netconf.topology.singleton.impl.utils.NetconfTopologySetup;
 101 import org.opendaylight.netconf.topology.singleton.impl.utils.NetconfTopologyUtils;
 102 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Host;
 103 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.IpAddress;
 104 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4Address;
 105 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.PortNumber;
 106 import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.keystore.rev171017.Keystore;
 107 import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.node.topology.rev150114.NetconfNode;
 108 import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.node.topology.rev150114.NetconfNodeBuilder;
 109 import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.node.topology.rev150114.NetconfNodeConnectionStatus;
 110 import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.node.topology.rev150114.netconf.node.credentials.credentials.LoginPwUnencryptedBuilder;
 111 import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.node.topology.rev150114.netconf.node.credentials.credentials.login.pw.unencrypted.LoginPasswordUnencryptedBuilder;
 112 import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.node.topology.rev150114.network.topology.topology.topology.types.TopologyNetconf;
 113 import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.topology.singleton.config.rev170419.Config;
 114 import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.topology.singleton.config.rev170419.ConfigBuilder;
 115 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.test.list.rev140701.GetTopOutputBuilder;
 116 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.test.list.rev140701.PutTopInputBuilder;
 117 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.test.list.rev140701.Top;
 118 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.test.list.rev140701.two.level.list.TopLevelList;
 119 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.test.list.rev140701.two.level.list.TopLevelListBuilder;
 120 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NetworkTopology;
 121 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NodeId;
 122 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.Topology;
 123 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
 124 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.NodeBuilder;
 125 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.NodeKey;
 126 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
 127 import org.opendaylight.yangtools.yang.binding.YangModuleInfo;
 128 import org.opendaylight.yangtools.yang.common.QName;
 129 import org.opendaylight.yangtools.yang.common.RpcError;
 130 import org.opendaylight.yangtools.yang.common.RpcError.ErrorType;
 131 import org.opendaylight.yangtools.yang.common.RpcResultBuilder;
 132 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
 133 import org.opendaylight.yangtools.yang.data.api.schema.ContainerNode;
 134 import org.opendaylight.yangtools.yang.data.api.schema.MapEntryNode;
 135 import org.opendaylight.yangtools.yang.data.api.schema.MapNode;
 136 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
 137 import org.opendaylight.yangtools.yang.data.impl.schema.Builders;
 138 import org.opendaylight.yangtools.yang.data.impl.schema.ImmutableNodes;
 139 import org.opendaylight.yangtools.yang.model.api.Module;
 140 import org.opendaylight.yangtools.yang.model.api.RpcDefinition;
 141 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
 142 import org.opendaylight.yangtools.yang.model.api.SchemaPath;
 143 import org.opendaylight.yangtools.yang.model.repo.api.RevisionSourceIdentifier;
 144 import org.opendaylight.yangtools.yang.model.repo.api.YangTextSchemaSource;
 145 import org.opendaylight.yangtools.yang.model.repo.spi.PotentialSchemaSource;
 146 import org.slf4j.Logger;
 147 import org.slf4j.LoggerFactory;
 148
 149 /**
 150  * Tests netconf mount points end-to-end.
 151  *
 152  * @author Thomas Pantelis
 153  */
 154 public class MountPointEndToEndTest {
 155     private static Logger LOG = LoggerFactory.getLogger(MountPointEndToEndTest.class);
 156
 157     private static final String TOP_MODULE_NAME = "opendaylight-mdsal-list-test";
 158     private static final String ACTOR_SYSTEM_NAME = "test";
 159     private static final String TOPOLOGY_ID = TopologyNetconf.QNAME.getLocalName();
 160     private static final NodeId NODE_ID = new NodeId("node-id");
 161     private static final InstanceIdentifier<Node> NODE_INSTANCE_ID = NetconfTopologyUtils.createTopologyNodeListPath(
 162             new NodeKey(NODE_ID), TOPOLOGY_ID);
 163
 164     @Mock private RpcProviderRegistry mockRpcProviderRegistry;
 165     @Mock private NetconfClientDispatcher mockClientDispatcher;
 166     @Mock private AAAEncryptionService mockEncryptionService;
 167     @Mock private ThreadPool mockThreadPool;
 168     @Mock private ScheduledThreadPool mockKeepaliveExecutor;
 169
 170     @Mock private ActorSystemProvider mockMasterActorSystemProvider;
 171     @Mock private DOMMountPointListener masterMountPointListener;
 172     private final DOMMountPointService masterMountPointService = new DOMMountPointServiceImpl();
 173     private final DOMRpcRouter deviceRpcService = new DOMRpcRouter();
 174     private DOMClusterSingletonServiceProviderImpl masterClusterSingletonServiceProvider;
 175     private DataBroker masterDataBroker;
 176     private DOMDataBroker deviceDOMDataBroker;
 177     private ActorSystem masterSystem;
 178     private NetconfTopologyManager masterNetconfTopologyManager;
 179     private volatile SettableFuture<MasterSalFacade> masterSalFacadeFuture = SettableFuture.create();
 180
 181     @Mock private ActorSystemProvider mockSlaveActorSystemProvider;
 182     @Mock private ClusterSingletonServiceProvider mockSlaveClusterSingletonServiceProvider;
 183     @Mock private ClusterSingletonServiceRegistration mockSlaveClusterSingletonServiceReg;
 184     @Mock private DOMMountPointListener slaveMountPointListener;
 185     private final DOMMountPointService slaveMountPointService = new DOMMountPointServiceImpl();
 186     private DataBroker slaveDataBroker;
 187     private ActorSystem slaveSystem;
 188     private NetconfTopologyManager slaveNetconfTopologyManager;
 189     private final SettableFuture<NetconfTopologyContext> slaveNetconfTopologyContextFuture = SettableFuture.create();
 190     private BindingTransactionChain slaveTxChain;
 191
 192     private final EventExecutor eventExecutor = GlobalEventExecutor.INSTANCE;
 193     private final Config config = new ConfigBuilder().setWriteTransactionIdleTimeout(0).build();
 194     private SchemaContext deviceSchemaContext;
 195     private YangModuleInfo topModuleInfo;
 196     private SchemaPath putTopRpcSchemaPath;
 197     private SchemaPath getTopRpcSchemaPath;
 198     private BindingNormalizedNodeSerializer bindingToNormalized;
 199     private YangInstanceIdentifier yangNodeInstanceId;
 200     private final TopDOMRpcImplementation topRpcImplementation = new TopDOMRpcImplementation();
 201
 202     @SuppressWarnings({ "unchecked", "rawtypes" })
 203     @Before
 204     public void setUp() throws Exception {
 205         initMocks(this);
 206
 207         deleteCacheDir();
 208
 209         topModuleInfo = BindingReflections.getModuleInfo(Top.class);
 210
 211         final ModuleInfoBackedContext moduleContext = ModuleInfoBackedContext.create();
 212         moduleContext.addModuleInfos(Arrays.asList(topModuleInfo));
 213         deviceSchemaContext = moduleContext.tryToCreateSchemaContext().get();
 214
 215         deviceRpcService.onGlobalContextUpdated(deviceSchemaContext);
 216
 217         putTopRpcSchemaPath = findRpcDefinition("put-top").getPath();
 218         getTopRpcSchemaPath = findRpcDefinition("get-top").getPath();
 219
 220         deviceRpcService.registerRpcImplementation(topRpcImplementation,
 221                 DOMRpcIdentifier.create(putTopRpcSchemaPath), DOMRpcIdentifier.create(getTopRpcSchemaPath));
 222
 223         setupMaster();
 224
 225         setupSlave();
 226
 227         yangNodeInstanceId = bindingToNormalized.toYangInstanceIdentifier(NODE_INSTANCE_ID);
 228
 229         doReturn(new SucceededFuture(GlobalEventExecutor.INSTANCE, null)).when(mockClientDispatcher)
 230                 .createReconnectingClient(any());
 231
 232         LOG.info("****** Setup complete");
 233     }
 234
 235     private static void deleteCacheDir() {
 236         FileUtils.deleteQuietly(new File(NetconfTopologyUtils.CACHE_DIRECTORY));
 237     }
 238
 239     @After
 240     public void tearDown() throws Exception {
 241         deleteCacheDir();
 242         TestKit.shutdownActorSystem(slaveSystem, true);
 243         TestKit.shutdownActorSystem(masterSystem, true);
 244     }
 245
 246     private void setupMaster() throws Exception {
 247         AbstractConcurrentDataBrokerTest dataBrokerTest = newDataBrokerTest();
 248         masterDataBroker = dataBrokerTest.getDataBroker();
 249         deviceDOMDataBroker = dataBrokerTest.getDomBroker();
 250         bindingToNormalized = dataBrokerTest.getDataBrokerTestCustomizer().getBindingToNormalized();
 251
 252         masterSystem = ActorSystem.create(ACTOR_SYSTEM_NAME, ConfigFactory.load().getConfig("Master"));
 253
 254         masterClusterSingletonServiceProvider = new DOMClusterSingletonServiceProviderImpl(
 255                 new SimpleDOMEntityOwnershipService());
 256         masterClusterSingletonServiceProvider.initializeProvider();
 257
 258         doReturn(masterSystem).when(mockMasterActorSystemProvider).getActorSystem();
 259
 260         doReturn(MoreExecutors.newDirectExecutorService()).when(mockThreadPool).getExecutor();
 261
 262         NetconfTopologyUtils.DEFAULT_SCHEMA_REPOSITORY.registerSchemaSource(
 263             id -> Futures.immediateFuture(YangTextSchemaSource.delegateForByteSource(id,
 264                     topModuleInfo.getYangTextByteSource())),
 265             PotentialSchemaSource.create(RevisionSourceIdentifier.create(TOP_MODULE_NAME,
 266                     topModuleInfo.getName().getRevision()), YangTextSchemaSource.class, 1));
 267
 268         masterNetconfTopologyManager = new NetconfTopologyManager(masterDataBroker, mockRpcProviderRegistry,
 269                 masterClusterSingletonServiceProvider, mockKeepaliveExecutor, mockThreadPool,
 270                 mockMasterActorSystemProvider, eventExecutor, mockClientDispatcher, TOPOLOGY_ID, config,
 271                 masterMountPointService, mockEncryptionService) {
 272             @Override
 273             protected NetconfTopologyContext newNetconfTopologyContext(final NetconfTopologySetup setup,
 274                     final ServiceGroupIdentifier serviceGroupIdent, final Timeout actorResponseWaitTime) {
 275                 NetconfTopologyContext context =
 276                         super.newNetconfTopologyContext(setup, serviceGroupIdent, actorResponseWaitTime);
 277                 NetconfTopologyContext spiedContext = spy(context);
 278                 doAnswer(invocation -> {
 279                     final MasterSalFacade spiedFacade = (MasterSalFacade) spy(invocation.callRealMethod());
 280                     doReturn(deviceDOMDataBroker).when(spiedFacade).newDeviceDataBroker();
 281                     masterSalFacadeFuture.set(spiedFacade);
 282                     return spiedFacade;
 283                 }).when(spiedContext).newMasterSalFacade();
 284
 285                 return spiedContext;
 286             }
 287         };
 288
 289         masterNetconfTopologyManager.init();
 290
 291         verifyTopologyNodesCreated(masterDataBroker);
 292     }
 293
 294     private void setupSlave() throws Exception {
 295         AbstractConcurrentDataBrokerTest dataBrokerTest = newDataBrokerTest();
 296         slaveDataBroker = dataBrokerTest.getDataBroker();
 297
 298         slaveSystem = ActorSystem.create(ACTOR_SYSTEM_NAME, ConfigFactory.load().getConfig("Slave"));
 299
 300         doReturn(slaveSystem).when(mockSlaveActorSystemProvider).getActorSystem();
 301
 302         doReturn(mockSlaveClusterSingletonServiceReg).when(mockSlaveClusterSingletonServiceProvider)
 303                 .registerClusterSingletonService(any());
 304
 305         slaveNetconfTopologyManager = new NetconfTopologyManager(slaveDataBroker, mockRpcProviderRegistry,
 306                 mockSlaveClusterSingletonServiceProvider, mockKeepaliveExecutor, mockThreadPool,
 307                 mockSlaveActorSystemProvider, eventExecutor, mockClientDispatcher, TOPOLOGY_ID, config,
 308                 slaveMountPointService, mockEncryptionService) {
 309             @Override
 310             protected NetconfTopologyContext newNetconfTopologyContext(final NetconfTopologySetup setup,
 311                     final ServiceGroupIdentifier serviceGroupIdent, final Timeout actorResponseWaitTime) {
 312                 NetconfTopologyContext spiedContext =
 313                         spy(super.newNetconfTopologyContext(setup, serviceGroupIdent, actorResponseWaitTime));
 314                 slaveNetconfTopologyContextFuture.set(spiedContext);
 315                 return spiedContext;
 316             }
 317         };
 318
 319         slaveNetconfTopologyManager.init();
 320
 321         verifyTopologyNodesCreated(slaveDataBroker);
 322
 323         slaveTxChain = slaveDataBroker.createTransactionChain(new TransactionChainListener() {
 324             @Override
 325             public void onTransactionChainSuccessful(final TransactionChain<?, ?> chain) {
 326             }
 327
 328             @Override
 329             public void onTransactionChainFailed(final TransactionChain<?, ?> chain,
 330                     final AsyncTransaction<?, ?> transaction, final Throwable cause) {
 331                 LOG.error("Slave transaction chain failed", cause);
 332             }
 333         });
 334     }
 335
 336     @Test
 337     public void test() throws Exception {
 338         testMaster();
 339
 340         testSlave();
 341
 342         final MasterSalFacade masterSalFacade = testMasterNodeUpdated();
 343
 344         testMasterDisconnected(masterSalFacade);
 345
 346         testCleanup();
 347     }
 348
 349     private MasterSalFacade testMaster() throws InterruptedException, ExecutionException, TimeoutException {
 350         LOG.info("****** Testing master");
 351
 352         writeNetconfNode(NetconfTopologyUtils.DEFAULT_CACHE_DIRECTORY, masterDataBroker);
 353
 354         final MasterSalFacade masterSalFacade = masterSalFacadeFuture.get(5, TimeUnit.SECONDS);
 355
 356         masterSalFacade.onDeviceConnected(deviceSchemaContext,
 357                 NetconfSessionPreferences.fromStrings(Collections.emptyList()), deviceRpcService);
 358
 359         DOMMountPoint masterMountPoint = awaitMountPoint(masterMountPointService);
 360
 361         LOG.info("****** Testing master DOMDataBroker operations");
 362
 363         testDOMDataBrokerOperations(getDOMDataBroker(masterMountPoint));
 364
 365         LOG.info("****** Testing master DOMRpcService");
 366
 367         testDOMRpcService(getDOMRpcService(masterMountPoint));
 368         return masterSalFacade;
 369     }
 370
 371     private void testSlave() throws InterruptedException, ExecutionException, TimeoutException {
 372         LOG.info("****** Testing slave");
 373
 374         writeNetconfNode("slave", slaveDataBroker);
 375
 376         verify(mockSlaveClusterSingletonServiceProvider, timeout(5000)).registerClusterSingletonService(any());
 377
 378         // Since the master and slave use separate DataBrokers we need to copy the master's oper node to the slave.
 379         // This is essentially what happens in a clustered environment but we'll use a DTCL here.
 380
 381         masterDataBroker.registerDataTreeChangeListener(
 382             new DataTreeIdentifier<>(LogicalDatastoreType.OPERATIONAL, NODE_INSTANCE_ID), changes -> {
 383                 final WriteTransaction slaveTx = slaveTxChain.newWriteOnlyTransaction();
 384                 for (DataTreeModification<Node> dataTreeModification : changes) {
 385                     DataObjectModification<Node> rootNode = dataTreeModification.getRootNode();
 386                     InstanceIdentifier<Node> path = dataTreeModification.getRootPath().getRootIdentifier();
 387                     switch (rootNode.getModificationType()) {
 388                         case WRITE:
 389                         case SUBTREE_MODIFIED:
 390                             slaveTx.merge(LogicalDatastoreType.OPERATIONAL, path, rootNode.getDataAfter());
 391                             break;
 392                         case DELETE:
 393                             slaveTx.delete(LogicalDatastoreType.OPERATIONAL, path);
 394                             break;
 395                         default:
 396                             break;
 397                     }
 398                 }
 399
 400                 slaveTx.commit();
 401             });
 402
 403         DOMMountPoint slaveMountPoint = awaitMountPoint(slaveMountPointService);
 404
 405         final NetconfTopologyContext slaveNetconfTopologyContext =
 406                 slaveNetconfTopologyContextFuture.get(5, TimeUnit.SECONDS);
 407         verify(slaveNetconfTopologyContext, never()).newMasterSalFacade();
 408
 409         LOG.info("****** Testing slave DOMDataBroker operations");
 410
 411         testDOMDataBrokerOperations(getDOMDataBroker(slaveMountPoint));
 412
 413         LOG.info("****** Testing slave DOMRpcService");
 414
 415         testDOMRpcService(getDOMRpcService(slaveMountPoint));
 416     }
 417
 418     private MasterSalFacade testMasterNodeUpdated() throws InterruptedException, ExecutionException, TimeoutException {
 419         LOG.info("****** Testing update master node");
 420
 421         masterMountPointService.registerProvisionListener(masterMountPointListener);
 422         slaveMountPointService.registerProvisionListener(slaveMountPointListener);
 423
 424         masterSalFacadeFuture = SettableFuture.create();
 425         writeNetconfNode(NetconfTopologyUtils.DEFAULT_CACHE_DIRECTORY, masterDataBroker);
 426
 427         verify(masterMountPointListener, timeout(5000)).onMountPointRemoved(yangNodeInstanceId);
 428
 429         MasterSalFacade masterSalFacade = masterSalFacadeFuture.get(5, TimeUnit.SECONDS);
 430
 431         masterSalFacade.onDeviceConnected(deviceSchemaContext,
 432                 NetconfSessionPreferences.fromStrings(Collections.emptyList()), deviceRpcService);
 433
 434         verify(masterMountPointListener, timeout(5000)).onMountPointCreated(yangNodeInstanceId);
 435
 436         verify(slaveMountPointListener, timeout(5000)).onMountPointRemoved(yangNodeInstanceId);
 437         verify(slaveMountPointListener, timeout(5000)).onMountPointCreated(yangNodeInstanceId);
 438
 439         return masterSalFacade;
 440     }
 441
 442     private void testMasterDisconnected(final MasterSalFacade masterSalFacade)
 443             throws InterruptedException, ExecutionException, TimeoutException {
 444         LOG.info("****** Testing master disconnected");
 445
 446         masterSalFacade.onDeviceDisconnected();
 447
 448         awaitMountPointNotPresent(masterMountPointService);
 449
 450         await().atMost(5, TimeUnit.SECONDS).until(() -> {
 451             try (ReadOnlyTransaction readTx = masterDataBroker.newReadOnlyTransaction()) {
 452                 Optional<Node> node = readTx.read(LogicalDatastoreType.OPERATIONAL,
 453                         NODE_INSTANCE_ID).get(5, TimeUnit.SECONDS);
 454                 assertTrue(node.isPresent());
 455                 final NetconfNode netconfNode = node.get().augmentation(NetconfNode.class);
 456                 return netconfNode.getConnectionStatus() != NetconfNodeConnectionStatus.ConnectionStatus.Connected;
 457             }
 458         });
 459
 460         awaitMountPointNotPresent(slaveMountPointService);
 461     }
 462
 463     private void testCleanup() throws Exception {
 464         LOG.info("****** Testing cleanup");
 465
 466         slaveNetconfTopologyManager.close();
 467         verify(mockSlaveClusterSingletonServiceReg).close();
 468     }
 469
 470     private void testDOMRpcService(final DOMRpcService domRpcService)
 471             throws InterruptedException, ExecutionException, TimeoutException {
 472         testPutTopRpc(domRpcService, new DefaultDOMRpcResult((NormalizedNode<?, ?>)null));
 473         testPutTopRpc(domRpcService, null);
 474         testPutTopRpc(domRpcService, new DefaultDOMRpcResult(ImmutableList.of(
 475                 RpcResultBuilder.newError(ErrorType.APPLICATION, "tag1", "error1"),
 476                 RpcResultBuilder.newError(ErrorType.APPLICATION, "tag2", "error2"))));
 477
 478         testGetTopRpc(domRpcService, new DefaultDOMRpcResult(bindingToNormalized.toNormalizedNodeRpcData(
 479                 new GetTopOutputBuilder().setTopLevelList(Arrays.asList(new TopLevelListBuilder().setName("one")
 480                         .build())).build())));
 481
 482         testFailedRpc(domRpcService, getTopRpcSchemaPath, null);
 483     }
 484
 485     private void testPutTopRpc(final DOMRpcService domRpcService, final DOMRpcResult result)
 486             throws InterruptedException, ExecutionException, TimeoutException {
 487         ContainerNode putTopInput = bindingToNormalized.toNormalizedNodeRpcData(
 488                 new PutTopInputBuilder().setTopLevelList(Arrays.asList(new TopLevelListBuilder().setName("one")
 489                         .build())).build());
 490         testRpc(domRpcService, putTopRpcSchemaPath, putTopInput, result);
 491     }
 492
 493     private void testGetTopRpc(final DOMRpcService domRpcService, final DOMRpcResult result)
 494             throws InterruptedException, ExecutionException, TimeoutException {
 495         testRpc(domRpcService, getTopRpcSchemaPath, null, result);
 496     }
 497
 498     private void testRpc(final DOMRpcService domRpcService, final SchemaPath schemaPath,
 499             final NormalizedNode<?, ?> input, final DOMRpcResult result) throws InterruptedException,
 500             ExecutionException, TimeoutException {
 501         final DOMRpcResult actual = invokeRpc(domRpcService, schemaPath, input, Futures.immediateCheckedFuture(result));
 502         if (result == null) {
 503             assertNull(actual);
 504             return;
 505         }
 506
 507         assertNotNull(actual);
 508         assertEquals(result.getResult(), actual.getResult());
 509
 510         assertEquals(result.getErrors().size(), actual.getErrors().size());
 511         Iterator<RpcError> iter1 = result.getErrors().iterator();
 512         Iterator<RpcError> iter2 = actual.getErrors().iterator();
 513         while (iter1.hasNext() && iter2.hasNext()) {
 514             RpcError err1 = iter1.next();
 515             RpcError err2 = iter2.next();
 516             assertEquals(err1.getErrorType(), err2.getErrorType());
 517             assertEquals(err1.getTag(), err2.getTag());
 518             assertEquals(err1.getMessage(), err2.getMessage());
 519             assertEquals(err1.getSeverity(), err2.getSeverity());
 520             assertEquals(err1.getApplicationTag(), err2.getApplicationTag());
 521             assertEquals(err1.getInfo(), err2.getInfo());
 522         }
 523     }
 524
 525     private void testFailedRpc(final DOMRpcService domRpcService, final SchemaPath schemaPath,
 526             final NormalizedNode<?, ?> input) throws InterruptedException, TimeoutException {
 527         try {
 528             invokeRpc(domRpcService, schemaPath, input, Futures.immediateFailedCheckedFuture(
 529                     new ClusteringRpcException("mock")));
 530             fail("Expected exception");
 531         } catch (ExecutionException e) {
 532             assertTrue(e.getCause() instanceof ClusteringRpcException);
 533             assertEquals("mock", e.getCause().getMessage());
 534         }
 535     }
 536
 537     private DOMRpcResult invokeRpc(final DOMRpcService domRpcService, final SchemaPath schemaPath,
 538             final NormalizedNode<?, ?> input, final CheckedFuture<DOMRpcResult, DOMRpcException> returnFuture)
 539                     throws InterruptedException, ExecutionException, TimeoutException {
 540         topRpcImplementation.init(returnFuture);
 541         final ListenableFuture<DOMRpcResult> resultFuture = domRpcService.invokeRpc(schemaPath, input);
 542
 543         topRpcImplementation.verify(DOMRpcIdentifier.create(schemaPath), input);
 544
 545         return resultFuture.get(5, TimeUnit.SECONDS);
 546     }
 547
 548     private static void testDOMDataBrokerOperations(final DOMDataBroker dataBroker)
 549             throws InterruptedException, ExecutionException, TimeoutException {
 550
 551         DOMDataWriteTransaction writeTx = dataBroker.newWriteOnlyTransaction();
 552
 553         final ContainerNode topNode = Builders.containerBuilder()
 554                 .withNodeIdentifier(new YangInstanceIdentifier.NodeIdentifier(Top.QNAME)).build();
 555         final YangInstanceIdentifier topPath = YangInstanceIdentifier.of(Top.QNAME);
 556         writeTx.put(LogicalDatastoreType.CONFIGURATION, topPath, topNode);
 557
 558         final QName name = QName.create(TopLevelList.QNAME, "name");
 559         final YangInstanceIdentifier listPath = YangInstanceIdentifier.builder(topPath)
 560                 .node(TopLevelList.QNAME).build();
 561         final MapEntryNode listEntryNode = ImmutableNodes.mapEntry(TopLevelList.QNAME, name, "one");
 562         final MapNode listNode = ImmutableNodes.mapNodeBuilder(TopLevelList.QNAME).addChild(listEntryNode).build();
 563         writeTx.merge(LogicalDatastoreType.CONFIGURATION, listPath, listNode);
 564         writeTx.commit().get(5, TimeUnit.SECONDS);
 565
 566         verifyDataInStore(dataBroker.newReadWriteTransaction(), YangInstanceIdentifier.builder(listPath)
 567                 .nodeWithKey(TopLevelList.QNAME, name, "one").build(), listEntryNode);
 568
 569         writeTx = dataBroker.newWriteOnlyTransaction();
 570         writeTx.delete(LogicalDatastoreType.CONFIGURATION, topPath);
 571         writeTx.commit().get(5, TimeUnit.SECONDS);
 572
 573         DOMDataReadWriteTransaction readTx = dataBroker.newReadWriteTransaction();
 574         assertFalse(readTx.exists(LogicalDatastoreType.CONFIGURATION, topPath).get(5, TimeUnit.SECONDS));
 575         assertTrue(readTx.cancel());
 576     }
 577
 578     private static void writeNetconfNode(final String cacheDir, final DataBroker databroker)
 579             throws InterruptedException, ExecutionException, TimeoutException {
 580         final NetconfNode netconfNode = new NetconfNodeBuilder()
 581                 .setHost(new Host(new IpAddress(new Ipv4Address("127.0.0.1"))))
 582                 .setPort(new PortNumber(1234))
 583                 .setActorResponseWaitTime(10)
 584                 .setTcpOnly(Boolean.TRUE)
 585                 .setSchemaless(Boolean.FALSE)
 586                 .setKeepaliveDelay(0L)
 587                 .setConnectionTimeoutMillis(5000L)
 588                 .setDefaultRequestTimeoutMillis(5000L)
 589                 .setMaxConnectionAttempts(1L)
 590                 .setCredentials(new LoginPwUnencryptedBuilder().setLoginPasswordUnencrypted(
 591                         new LoginPasswordUnencryptedBuilder().setUsername("user").setPassword("pass").build()).build())
 592                 .setSchemaCacheDirectory(cacheDir)
 593                 .build();
 594         final Node node = new NodeBuilder().setNodeId(NODE_ID).addAugmentation(NetconfNode.class, netconfNode).build();
 595
 596         final WriteTransaction writeTx = databroker.newWriteOnlyTransaction();
 597         writeTx.put(LogicalDatastoreType.CONFIGURATION, NODE_INSTANCE_ID, node);
 598         writeTx.commit().get(5, TimeUnit.SECONDS);
 599     }
 600
 601     private static void verifyDataInStore(final DOMDataReadTransaction readTx, final YangInstanceIdentifier path,
 602             final NormalizedNode<?, ?> expNode) throws InterruptedException, ExecutionException, TimeoutException {
 603         final Optional<NormalizedNode<?, ?>> read = readTx.read(LogicalDatastoreType.CONFIGURATION, path)
 604                 .get(5, TimeUnit.SECONDS);
 605         assertTrue(read.isPresent());
 606         assertEquals(expNode, read.get());
 607
 608         final Boolean exists = readTx.exists(LogicalDatastoreType.CONFIGURATION, path).get(5, TimeUnit.SECONDS);
 609         assertTrue(exists);
 610     }
 611
 612     private static void verifyTopologyNodesCreated(final DataBroker dataBroker) {
 613         await().atMost(5, TimeUnit.SECONDS).until(() -> {
 614             try (ReadOnlyTransaction readTx = dataBroker.newReadOnlyTransaction()) {
 615                 Optional<Topology> configTopology = readTx.read(LogicalDatastoreType.CONFIGURATION,
 616                         NetconfTopologyUtils.createTopologyListPath(TOPOLOGY_ID)).get(3, TimeUnit.SECONDS);
 617                 Optional<Topology> operTopology = readTx.read(LogicalDatastoreType.OPERATIONAL,
 618                         NetconfTopologyUtils.createTopologyListPath(TOPOLOGY_ID)).get(3, TimeUnit.SECONDS);
 619                 return configTopology.isPresent() && operTopology.isPresent();
 620             }
 621         });
 622     }
 623
 624     private AbstractConcurrentDataBrokerTest newDataBrokerTest() throws Exception {
 625         AbstractConcurrentDataBrokerTest dataBrokerTest = new AbstractConcurrentDataBrokerTest(true) {
 626             @Override
 627             protected Set<YangModuleInfo> getModuleInfos() throws Exception {
 628                 return ImmutableSet.of(BindingReflections.getModuleInfo(NetconfNode.class),
 629                         BindingReflections.getModuleInfo(NetworkTopology.class),
 630                         BindingReflections.getModuleInfo(Topology.class),
 631                         BindingReflections.getModuleInfo(Keystore.class),
 632                         topModuleInfo);
 633             }
 634         };
 635
 636         dataBrokerTest.setup();
 637         return dataBrokerTest;
 638     }
 639
 640     private void awaitMountPointNotPresent(final DOMMountPointService mountPointService) {
 641         await().atMost(5, TimeUnit.SECONDS).until(
 642             () -> !mountPointService.getMountPoint(yangNodeInstanceId).isPresent());
 643     }
 644
 645     private static DOMDataBroker getDOMDataBroker(final DOMMountPoint mountPoint) {
 646         return getMountPointService(mountPoint, DOMDataBroker.class);
 647     }
 648
 649     private static DOMRpcService getDOMRpcService(final DOMMountPoint mountPoint) {
 650         return getMountPointService(mountPoint, DOMRpcService.class);
 651     }
 652
 653     private static <T extends DOMService> T getMountPointService(final DOMMountPoint mountPoint,
 654             final Class<T> serviceClass) {
 655         final Optional<T> maybeService = mountPoint.getService(serviceClass);
 656         assertTrue(maybeService.isPresent());
 657         return maybeService.get();
 658     }
 659
 660     private DOMMountPoint awaitMountPoint(final DOMMountPointService mountPointService) {
 661         await().atMost(5, TimeUnit.SECONDS).until(() -> {
 662             return mountPointService.getMountPoint(yangNodeInstanceId).isPresent();
 663         });
 664
 665         return mountPointService.getMountPoint(yangNodeInstanceId).get();
 666     }
 667
 668     private RpcDefinition findRpcDefinition(final String rpc) {
 669         Module topModule = deviceSchemaContext.findModule(TOP_MODULE_NAME, topModuleInfo.getName().getRevision()).get();
 670         RpcDefinition rpcDefinition = null;
 671         for (RpcDefinition def: topModule.getRpcs()) {
 672             if (def.getQName().getLocalName().equals(rpc)) {
 673                 rpcDefinition = def;
 674                 break;
 675             }
 676         }
 677
 678         assertNotNull(rpc + " rpc not found in " + topModule.getRpcs(), rpcDefinition);
 679         return rpcDefinition;
 680     }
 681
 682     private static class TopDOMRpcImplementation implements DOMRpcImplementation {
 683         private volatile SettableFuture<Entry<DOMRpcIdentifier, NormalizedNode<?, ?>>> rpcInvokedFuture;
 684         private volatile CheckedFuture<DOMRpcResult, DOMRpcException> returnFuture;
 685
 686         @Override
 687         public CheckedFuture<DOMRpcResult, DOMRpcException> invokeRpc(final DOMRpcIdentifier rpc,
 688                 final NormalizedNode<?, ?> input) {
 689             rpcInvokedFuture.set(new SimpleEntry<>(rpc, input));
 690             return returnFuture;
 691         }
 692
 693         void init(final CheckedFuture<DOMRpcResult, DOMRpcException> retFuture) {
 694             this.returnFuture = retFuture;
 695             rpcInvokedFuture = SettableFuture.create();
 696         }
 697
 698         void verify(final DOMRpcIdentifier expRpc, final NormalizedNode<?, ?> expInput)
 699                 throws InterruptedException, ExecutionException, TimeoutException {
 700             final Entry<DOMRpcIdentifier, NormalizedNode<?, ?>> actual = rpcInvokedFuture.get(5, TimeUnit.SECONDS);
 701             assertEquals(expRpc, actual.getKey());
 702             assertEquals(expInput, actual.getValue());
 703         }
 704     }
 705 }