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.ArgumentMatchers.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.collect.ImmutableList;
  30 import com.google.common.collect.ImmutableSet;
  31 import com.google.common.util.concurrent.FluentFuture;
  32 import com.google.common.util.concurrent.Futures;
  33 import com.google.common.util.concurrent.ListenableFuture;
  34 import com.google.common.util.concurrent.MoreExecutors;
  35 import com.google.common.util.concurrent.SettableFuture;
  36 import com.typesafe.config.ConfigFactory;
  37 import io.netty.util.concurrent.EventExecutor;
  38 import io.netty.util.concurrent.GlobalEventExecutor;
  39 import io.netty.util.concurrent.SucceededFuture;
  40 import java.io.File;
  41 import java.util.AbstractMap.SimpleEntry;
  42 import java.util.Arrays;
  43 import java.util.Collections;
  44 import java.util.Iterator;
  45 import java.util.Map.Entry;
  46 import java.util.Optional;
  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.mdsal.binding.api.DataBroker;
  61 import org.opendaylight.mdsal.binding.api.DataObjectModification;
  62 import org.opendaylight.mdsal.binding.api.DataTreeIdentifier;
  63 import org.opendaylight.mdsal.binding.api.DataTreeModification;
  64 import org.opendaylight.mdsal.binding.api.ReadTransaction;
  65 import org.opendaylight.mdsal.binding.api.Transaction;
  66 import org.opendaylight.mdsal.binding.api.TransactionChain;
  67 import org.opendaylight.mdsal.binding.api.TransactionChainListener;
  68 import org.opendaylight.mdsal.binding.api.WriteTransaction;
  69 import org.opendaylight.mdsal.binding.dom.adapter.test.AbstractConcurrentDataBrokerTest;
  70 import org.opendaylight.mdsal.binding.dom.codec.api.BindingNormalizedNodeSerializer;
  71 import org.opendaylight.mdsal.binding.generator.impl.ModuleInfoBackedContext;
  72 import org.opendaylight.mdsal.binding.spec.reflect.BindingReflections;
  73 import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
  74 import org.opendaylight.mdsal.dom.api.DOMActionProviderService;
  75 import org.opendaylight.mdsal.dom.api.DOMActionService;
  76 import org.opendaylight.mdsal.dom.api.DOMDataBroker;
  77 import org.opendaylight.mdsal.dom.api.DOMDataTreeReadOperations;
  78 import org.opendaylight.mdsal.dom.api.DOMDataTreeReadWriteTransaction;
  79 import org.opendaylight.mdsal.dom.api.DOMDataTreeWriteTransaction;
  80 import org.opendaylight.mdsal.dom.api.DOMMountPoint;
  81 import org.opendaylight.mdsal.dom.api.DOMMountPointListener;
  82 import org.opendaylight.mdsal.dom.api.DOMMountPointService;
  83 import org.opendaylight.mdsal.dom.api.DOMRpcIdentifier;
  84 import org.opendaylight.mdsal.dom.api.DOMRpcImplementation;
  85 import org.opendaylight.mdsal.dom.api.DOMRpcProviderService;
  86 import org.opendaylight.mdsal.dom.api.DOMRpcResult;
  87 import org.opendaylight.mdsal.dom.api.DOMRpcService;
  88 import org.opendaylight.mdsal.dom.api.DOMService;
  89 import org.opendaylight.mdsal.dom.broker.DOMMountPointServiceImpl;
  90 import org.opendaylight.mdsal.dom.broker.DOMRpcRouter;
  91 import org.opendaylight.mdsal.dom.spi.DefaultDOMRpcResult;
  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.api.DeviceActionFactory;
  99 import org.opendaylight.netconf.sal.connect.netconf.listener.NetconfSessionPreferences;
 100 import org.opendaylight.netconf.topology.singleton.impl.utils.ClusteringRpcException;
 101 import org.opendaylight.netconf.topology.singleton.impl.utils.NetconfTopologySetup;
 102 import org.opendaylight.netconf.topology.singleton.impl.utils.NetconfTopologyUtils;
 103 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Host;
 104 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.IpAddress;
 105 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4Address;
 106 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.PortNumber;
 107 import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.keystore.rev171017.Keystore;
 108 import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.node.topology.rev150114.NetconfNode;
 109 import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.node.topology.rev150114.NetconfNodeBuilder;
 110 import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.node.topology.rev150114.NetconfNodeConnectionStatus;
 111 import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.node.topology.rev150114.netconf.node.credentials.credentials.LoginPwUnencryptedBuilder;
 112 import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.node.topology.rev150114.netconf.node.credentials.credentials.login.pw.unencrypted.LoginPasswordUnencryptedBuilder;
 113 import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.node.topology.rev150114.network.topology.topology.topology.types.TopologyNetconf;
 114 import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.topology.singleton.config.rev170419.Config;
 115 import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.topology.singleton.config.rev170419.ConfigBuilder;
 116 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.test.list.rev140701.GetTopOutputBuilder;
 117 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.test.list.rev140701.PutTopInputBuilder;
 118 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.test.list.rev140701.Top;
 119 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.test.list.rev140701.two.level.list.TopLevelList;
 120 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.test.list.rev140701.two.level.list.TopLevelListBuilder;
 121 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NetworkTopology;
 122 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NodeId;
 123 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.Topology;
 124 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
 125 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.NodeBuilder;
 126 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.NodeKey;
 127 import org.opendaylight.yangtools.util.concurrent.FluentFutures;
 128 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
 129 import org.opendaylight.yangtools.yang.binding.YangModuleInfo;
 130 import org.opendaylight.yangtools.yang.common.QName;
 131 import org.opendaylight.yangtools.yang.common.RpcError;
 132 import org.opendaylight.yangtools.yang.common.RpcError.ErrorType;
 133 import org.opendaylight.yangtools.yang.common.RpcResultBuilder;
 134 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
 135 import org.opendaylight.yangtools.yang.data.api.schema.ContainerNode;
 136 import org.opendaylight.yangtools.yang.data.api.schema.MapEntryNode;
 137 import org.opendaylight.yangtools.yang.data.api.schema.MapNode;
 138 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
 139 import org.opendaylight.yangtools.yang.data.impl.schema.Builders;
 140 import org.opendaylight.yangtools.yang.data.impl.schema.ImmutableNodes;
 141 import org.opendaylight.yangtools.yang.model.api.Module;
 142 import org.opendaylight.yangtools.yang.model.api.RpcDefinition;
 143 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
 144 import org.opendaylight.yangtools.yang.model.api.SchemaPath;
 145 import org.opendaylight.yangtools.yang.model.repo.api.RevisionSourceIdentifier;
 146 import org.opendaylight.yangtools.yang.model.repo.api.YangTextSchemaSource;
 147 import org.opendaylight.yangtools.yang.model.repo.spi.PotentialSchemaSource;
 148 import org.slf4j.Logger;
 149 import org.slf4j.LoggerFactory;
 150
 151 /**
 152  * Tests netconf mount points end-to-end.
 153  *
 154  * @author Thomas Pantelis
 155  */
 156 public class MountPointEndToEndTest {
 157     private static final Logger LOG = LoggerFactory.getLogger(MountPointEndToEndTest.class);
 158
 159     private static final String TOP_MODULE_NAME = "opendaylight-mdsal-list-test";
 160     private static final String ACTOR_SYSTEM_NAME = "test";
 161     private static final String TOPOLOGY_ID = TopologyNetconf.QNAME.getLocalName();
 162     private static final NodeId NODE_ID = new NodeId("node-id");
 163     private static final InstanceIdentifier<Node> NODE_INSTANCE_ID = NetconfTopologyUtils.createTopologyNodeListPath(
 164             new NodeKey(NODE_ID), TOPOLOGY_ID);
 165
 166     @Mock private DOMRpcProviderService mockRpcProviderRegistry;
 167     @Mock private DOMActionProviderService mockActionProviderRegistry;
 168     @Mock private NetconfClientDispatcher mockClientDispatcher;
 169     @Mock private AAAEncryptionService mockEncryptionService;
 170     @Mock private ThreadPool mockThreadPool;
 171     @Mock private ScheduledThreadPool mockKeepaliveExecutor;
 172     @Mock private DeviceActionFactory deviceActionFactory;
 173
 174     @Mock private ActorSystemProvider mockMasterActorSystemProvider;
 175     @Mock private DOMMountPointListener masterMountPointListener;
 176     private final DOMMountPointService masterMountPointService = new DOMMountPointServiceImpl();
 177     private final DOMRpcRouter deviceRpcService = new DOMRpcRouter();
 178     private DOMClusterSingletonServiceProviderImpl masterClusterSingletonServiceProvider;
 179     private DataBroker masterDataBroker;
 180     private DOMDataBroker deviceDOMDataBroker;
 181     private ActorSystem masterSystem;
 182     private NetconfTopologyManager masterNetconfTopologyManager;
 183     private volatile SettableFuture<MasterSalFacade> masterSalFacadeFuture = SettableFuture.create();
 184
 185     @Mock private ActorSystemProvider mockSlaveActorSystemProvider;
 186     @Mock private ClusterSingletonServiceProvider mockSlaveClusterSingletonServiceProvider;
 187     @Mock private ClusterSingletonServiceRegistration mockSlaveClusterSingletonServiceReg;
 188     @Mock private DOMMountPointListener slaveMountPointListener;
 189     private final DOMMountPointService slaveMountPointService = new DOMMountPointServiceImpl();
 190     private DataBroker slaveDataBroker;
 191     private ActorSystem slaveSystem;
 192     private NetconfTopologyManager slaveNetconfTopologyManager;
 193     private final SettableFuture<NetconfTopologyContext> slaveNetconfTopologyContextFuture = SettableFuture.create();
 194     private TransactionChain slaveTxChain;
 195
 196     private final EventExecutor eventExecutor = GlobalEventExecutor.INSTANCE;
 197     private final Config config = new ConfigBuilder().setWriteTransactionIdleTimeout(0).build();
 198     private SchemaContext deviceSchemaContext;
 199     private YangModuleInfo topModuleInfo;
 200     private SchemaPath putTopRpcSchemaPath;
 201     private SchemaPath getTopRpcSchemaPath;
 202     private BindingNormalizedNodeSerializer bindingToNormalized;
 203     private YangInstanceIdentifier yangNodeInstanceId;
 204     private final TopDOMRpcImplementation topRpcImplementation = new TopDOMRpcImplementation();
 205
 206     @SuppressWarnings({ "unchecked", "rawtypes" })
 207     @Before
 208     public void setUp() throws Exception {
 209         initMocks(this);
 210
 211         deleteCacheDir();
 212
 213         topModuleInfo = BindingReflections.getModuleInfo(Top.class);
 214
 215         final ModuleInfoBackedContext moduleContext = ModuleInfoBackedContext.create();
 216         moduleContext.addModuleInfos(Arrays.asList(topModuleInfo));
 217         deviceSchemaContext = moduleContext.tryToCreateSchemaContext().get();
 218
 219         deviceRpcService.onGlobalContextUpdated(deviceSchemaContext);
 220
 221         putTopRpcSchemaPath = findRpcDefinition("put-top").getPath();
 222         getTopRpcSchemaPath = findRpcDefinition("get-top").getPath();
 223
 224         deviceRpcService.getRpcProviderService().registerRpcImplementation(topRpcImplementation,
 225                 DOMRpcIdentifier.create(putTopRpcSchemaPath), DOMRpcIdentifier.create(getTopRpcSchemaPath));
 226
 227         setupMaster();
 228
 229         setupSlave();
 230
 231         yangNodeInstanceId = bindingToNormalized.toYangInstanceIdentifier(NODE_INSTANCE_ID);
 232
 233         doReturn(new SucceededFuture(GlobalEventExecutor.INSTANCE, null)).when(mockClientDispatcher)
 234                 .createReconnectingClient(any());
 235
 236         LOG.info("****** Setup complete");
 237     }
 238
 239     private static void deleteCacheDir() {
 240         FileUtils.deleteQuietly(new File(NetconfTopologyUtils.CACHE_DIRECTORY));
 241     }
 242
 243     @After
 244     public void tearDown() throws Exception {
 245         deleteCacheDir();
 246         TestKit.shutdownActorSystem(slaveSystem, true);
 247         TestKit.shutdownActorSystem(masterSystem, true);
 248     }
 249
 250     private void setupMaster() throws Exception {
 251         AbstractConcurrentDataBrokerTest dataBrokerTest = newDataBrokerTest();
 252         masterDataBroker = dataBrokerTest.getDataBroker();
 253         deviceDOMDataBroker = dataBrokerTest.getDomBroker();
 254         bindingToNormalized = dataBrokerTest.getDataBrokerTestCustomizer().getBindingToNormalized();
 255
 256         masterSystem = ActorSystem.create(ACTOR_SYSTEM_NAME, ConfigFactory.load().getConfig("Master"));
 257
 258         masterClusterSingletonServiceProvider = new DOMClusterSingletonServiceProviderImpl(
 259                 new SimpleDOMEntityOwnershipService());
 260         masterClusterSingletonServiceProvider.initializeProvider();
 261
 262         doReturn(masterSystem).when(mockMasterActorSystemProvider).getActorSystem();
 263
 264         doReturn(MoreExecutors.newDirectExecutorService()).when(mockThreadPool).getExecutor();
 265
 266         NetconfTopologyUtils.DEFAULT_SCHEMA_REPOSITORY.registerSchemaSource(
 267             id -> Futures.immediateFuture(YangTextSchemaSource.delegateForByteSource(id,
 268                     topModuleInfo.getYangTextByteSource())),
 269             PotentialSchemaSource.create(RevisionSourceIdentifier.create(TOP_MODULE_NAME,
 270                     topModuleInfo.getName().getRevision()), YangTextSchemaSource.class, 1));
 271
 272         masterNetconfTopologyManager = new NetconfTopologyManager(masterDataBroker, mockRpcProviderRegistry,
 273             mockActionProviderRegistry, masterClusterSingletonServiceProvider, mockKeepaliveExecutor, mockThreadPool,
 274                 mockMasterActorSystemProvider, eventExecutor, mockClientDispatcher, TOPOLOGY_ID, config,
 275                 masterMountPointService, mockEncryptionService, deviceActionFactory) {
 276             @Override
 277             protected NetconfTopologyContext newNetconfTopologyContext(final NetconfTopologySetup setup,
 278                     final ServiceGroupIdentifier serviceGroupIdent, final Timeout actorResponseWaitTime,
 279                     final DeviceActionFactory deviceActionFact) {
 280                 NetconfTopologyContext context =
 281                     super.newNetconfTopologyContext(setup, serviceGroupIdent, actorResponseWaitTime, deviceActionFact);
 282                 NetconfTopologyContext spiedContext = spy(context);
 283                 doAnswer(invocation -> {
 284                     final MasterSalFacade spiedFacade = (MasterSalFacade) spy(invocation.callRealMethod());
 285                     doReturn(deviceDOMDataBroker).when(spiedFacade).newDeviceDataBroker();
 286                     masterSalFacadeFuture.set(spiedFacade);
 287                     return spiedFacade;
 288                 }).when(spiedContext).newMasterSalFacade();
 289
 290                 return spiedContext;
 291             }
 292         };
 293
 294         masterNetconfTopologyManager.init();
 295
 296         verifyTopologyNodesCreated(masterDataBroker);
 297     }
 298
 299     private void setupSlave() throws Exception {
 300         AbstractConcurrentDataBrokerTest dataBrokerTest = newDataBrokerTest();
 301         slaveDataBroker = dataBrokerTest.getDataBroker();
 302
 303         slaveSystem = ActorSystem.create(ACTOR_SYSTEM_NAME, ConfigFactory.load().getConfig("Slave"));
 304
 305         doReturn(slaveSystem).when(mockSlaveActorSystemProvider).getActorSystem();
 306
 307         doReturn(mockSlaveClusterSingletonServiceReg).when(mockSlaveClusterSingletonServiceProvider)
 308                 .registerClusterSingletonService(any());
 309
 310         slaveNetconfTopologyManager = new NetconfTopologyManager(slaveDataBroker, mockRpcProviderRegistry,
 311                 mockActionProviderRegistry, mockSlaveClusterSingletonServiceProvider, mockKeepaliveExecutor,
 312                 mockThreadPool, mockSlaveActorSystemProvider, eventExecutor, mockClientDispatcher, TOPOLOGY_ID, config,
 313                 slaveMountPointService, mockEncryptionService, deviceActionFactory) {
 314             @Override
 315             protected NetconfTopologyContext newNetconfTopologyContext(final NetconfTopologySetup setup,
 316                     final ServiceGroupIdentifier serviceGroupIdent, final Timeout actorResponseWaitTime,
 317                     final DeviceActionFactory deviceActionFact) {
 318                 NetconfTopologyContext spiedContext = spy(super.newNetconfTopologyContext(setup, serviceGroupIdent,
 319                     actorResponseWaitTime, deviceActionFact));
 320                 slaveNetconfTopologyContextFuture.set(spiedContext);
 321                 return spiedContext;
 322             }
 323         };
 324
 325         slaveNetconfTopologyManager.init();
 326
 327         verifyTopologyNodesCreated(slaveDataBroker);
 328
 329         slaveTxChain = slaveDataBroker.createTransactionChain(new TransactionChainListener() {
 330             @Override
 331             public void onTransactionChainSuccessful(final TransactionChain chain) {
 332             }
 333
 334             @Override
 335             public void onTransactionChainFailed(final TransactionChain chain, final Transaction transaction,
 336                     final Throwable cause) {
 337                 LOG.error("Slave transaction chain failed", cause);
 338             }
 339         });
 340     }
 341
 342     @Test
 343     public void test() throws Exception {
 344         testMaster();
 345
 346         testSlave();
 347
 348         final MasterSalFacade masterSalFacade = testMasterNodeUpdated();
 349
 350         testMasterDisconnected(masterSalFacade);
 351
 352         testCleanup();
 353     }
 354
 355     private MasterSalFacade testMaster() throws InterruptedException, ExecutionException, TimeoutException {
 356         LOG.info("****** Testing master");
 357
 358         writeNetconfNode(NetconfTopologyUtils.DEFAULT_CACHE_DIRECTORY, masterDataBroker);
 359
 360         final MasterSalFacade masterSalFacade = masterSalFacadeFuture.get(5, TimeUnit.SECONDS);
 361
 362         masterSalFacade.onDeviceConnected(deviceSchemaContext,
 363                 NetconfSessionPreferences.fromStrings(Collections.emptyList()), deviceRpcService.getRpcService());
 364
 365         DOMMountPoint masterMountPoint = awaitMountPoint(masterMountPointService);
 366
 367         LOG.info("****** Testing master DOMDataBroker operations");
 368
 369         testDOMDataBrokerOperations(getDOMDataBroker(masterMountPoint));
 370
 371         LOG.info("****** Testing master DOMRpcService");
 372
 373         testDOMRpcService(getDOMRpcService(masterMountPoint));
 374         return masterSalFacade;
 375     }
 376
 377     private void testSlave() throws InterruptedException, ExecutionException, TimeoutException {
 378         LOG.info("****** Testing slave");
 379
 380         writeNetconfNode("slave", slaveDataBroker);
 381
 382         verify(mockSlaveClusterSingletonServiceProvider, timeout(5000)).registerClusterSingletonService(any());
 383
 384         // Since the master and slave use separate DataBrokers we need to copy the master's oper node to the slave.
 385         // This is essentially what happens in a clustered environment but we'll use a DTCL here.
 386
 387         masterDataBroker.registerDataTreeChangeListener(
 388             DataTreeIdentifier.create(LogicalDatastoreType.OPERATIONAL, NODE_INSTANCE_ID), changes -> {
 389                 final WriteTransaction slaveTx = slaveTxChain.newWriteOnlyTransaction();
 390                 for (DataTreeModification<Node> dataTreeModification : changes) {
 391                     DataObjectModification<Node> rootNode = dataTreeModification.getRootNode();
 392                     InstanceIdentifier<Node> path = dataTreeModification.getRootPath().getRootIdentifier();
 393                     switch (rootNode.getModificationType()) {
 394                         case WRITE:
 395                         case SUBTREE_MODIFIED:
 396                             slaveTx.merge(LogicalDatastoreType.OPERATIONAL, path, rootNode.getDataAfter());
 397                             break;
 398                         case DELETE:
 399                             slaveTx.delete(LogicalDatastoreType.OPERATIONAL, path);
 400                             break;
 401                         default:
 402                             break;
 403                     }
 404                 }
 405
 406                 slaveTx.commit();
 407             });
 408
 409         DOMMountPoint slaveMountPoint = awaitMountPoint(slaveMountPointService);
 410
 411         final NetconfTopologyContext slaveNetconfTopologyContext =
 412                 slaveNetconfTopologyContextFuture.get(5, TimeUnit.SECONDS);
 413         verify(slaveNetconfTopologyContext, never()).newMasterSalFacade();
 414
 415         LOG.info("****** Testing slave DOMDataBroker operations");
 416
 417         testDOMDataBrokerOperations(getDOMDataBroker(slaveMountPoint));
 418
 419         LOG.info("****** Testing slave DOMRpcService");
 420
 421         testDOMRpcService(getDOMRpcService(slaveMountPoint));
 422     }
 423
 424     private MasterSalFacade testMasterNodeUpdated() throws InterruptedException, ExecutionException, TimeoutException {
 425         LOG.info("****** Testing update master node");
 426
 427         masterMountPointService.registerProvisionListener(masterMountPointListener);
 428         slaveMountPointService.registerProvisionListener(slaveMountPointListener);
 429
 430         masterSalFacadeFuture = SettableFuture.create();
 431         writeNetconfNode(NetconfTopologyUtils.DEFAULT_CACHE_DIRECTORY, masterDataBroker);
 432
 433         verify(masterMountPointListener, timeout(5000)).onMountPointRemoved(yangNodeInstanceId);
 434
 435         MasterSalFacade masterSalFacade = masterSalFacadeFuture.get(5, TimeUnit.SECONDS);
 436
 437         masterSalFacade.onDeviceConnected(deviceSchemaContext,
 438                 NetconfSessionPreferences.fromStrings(Collections.emptyList()), deviceRpcService.getRpcService());
 439
 440         verify(masterMountPointListener, timeout(5000)).onMountPointCreated(yangNodeInstanceId);
 441
 442         verify(slaveMountPointListener, timeout(5000)).onMountPointRemoved(yangNodeInstanceId);
 443         verify(slaveMountPointListener, timeout(5000)).onMountPointCreated(yangNodeInstanceId);
 444
 445         return masterSalFacade;
 446     }
 447
 448     private void testMasterDisconnected(final MasterSalFacade masterSalFacade)
 449             throws InterruptedException, ExecutionException, TimeoutException {
 450         LOG.info("****** Testing master disconnected");
 451
 452         masterSalFacade.onDeviceDisconnected();
 453
 454         awaitMountPointNotPresent(masterMountPointService);
 455
 456         await().atMost(5, TimeUnit.SECONDS).until(() -> {
 457             try (ReadTransaction readTx = masterDataBroker.newReadOnlyTransaction()) {
 458                 Optional<Node> node = readTx.read(LogicalDatastoreType.OPERATIONAL,
 459                         NODE_INSTANCE_ID).get(5, TimeUnit.SECONDS);
 460                 assertTrue(node.isPresent());
 461                 final NetconfNode netconfNode = node.get().augmentation(NetconfNode.class);
 462                 return netconfNode.getConnectionStatus() != NetconfNodeConnectionStatus.ConnectionStatus.Connected;
 463             }
 464         });
 465
 466         awaitMountPointNotPresent(slaveMountPointService);
 467     }
 468
 469     private void testCleanup() throws Exception {
 470         LOG.info("****** Testing cleanup");
 471
 472         slaveNetconfTopologyManager.close();
 473         verify(mockSlaveClusterSingletonServiceReg).close();
 474     }
 475
 476     private void testDOMRpcService(final DOMRpcService domRpcService)
 477             throws InterruptedException, ExecutionException, TimeoutException {
 478         testPutTopRpc(domRpcService, new DefaultDOMRpcResult((NormalizedNode<?, ?>)null));
 479         testPutTopRpc(domRpcService, null);
 480         testPutTopRpc(domRpcService, new DefaultDOMRpcResult(ImmutableList.of(
 481                 RpcResultBuilder.newError(ErrorType.APPLICATION, "tag1", "error1"),
 482                 RpcResultBuilder.newError(ErrorType.APPLICATION, "tag2", "error2"))));
 483
 484         testGetTopRpc(domRpcService, new DefaultDOMRpcResult(bindingToNormalized.toNormalizedNodeRpcData(
 485                 new GetTopOutputBuilder().setTopLevelList(Arrays.asList(new TopLevelListBuilder().setName("one")
 486                         .build())).build())));
 487
 488         testFailedRpc(domRpcService, getTopRpcSchemaPath, null);
 489     }
 490
 491     private void testPutTopRpc(final DOMRpcService domRpcService, final DOMRpcResult result)
 492             throws InterruptedException, ExecutionException, TimeoutException {
 493         ContainerNode putTopInput = bindingToNormalized.toNormalizedNodeRpcData(
 494                 new PutTopInputBuilder().setTopLevelList(Arrays.asList(new TopLevelListBuilder().setName("one")
 495                         .build())).build());
 496         testRpc(domRpcService, putTopRpcSchemaPath, putTopInput, result);
 497     }
 498
 499     private void testGetTopRpc(final DOMRpcService domRpcService, final DOMRpcResult result)
 500             throws InterruptedException, ExecutionException, TimeoutException {
 501         testRpc(domRpcService, getTopRpcSchemaPath, null, result);
 502     }
 503
 504     private void testRpc(final DOMRpcService domRpcService, final SchemaPath schemaPath,
 505             final NormalizedNode<?, ?> input, final DOMRpcResult result) throws InterruptedException,
 506             ExecutionException, TimeoutException {
 507         final FluentFuture<DOMRpcResult> future = result == null ? FluentFutures.immediateNullFluentFuture()
 508                 : FluentFutures.immediateFluentFuture(result);
 509         final DOMRpcResult actual = invokeRpc(domRpcService, schemaPath, input, future);
 510         if (result == null) {
 511             assertNull(actual);
 512             return;
 513         }
 514
 515         assertNotNull(actual);
 516         assertEquals(result.getResult(), actual.getResult());
 517
 518         assertEquals(result.getErrors().size(), actual.getErrors().size());
 519         Iterator<? extends RpcError> iter1 = result.getErrors().iterator();
 520         Iterator<? extends RpcError> iter2 = actual.getErrors().iterator();
 521         while (iter1.hasNext() && iter2.hasNext()) {
 522             RpcError err1 = iter1.next();
 523             RpcError err2 = iter2.next();
 524             assertEquals(err1.getErrorType(), err2.getErrorType());
 525             assertEquals(err1.getTag(), err2.getTag());
 526             assertEquals(err1.getMessage(), err2.getMessage());
 527             assertEquals(err1.getSeverity(), err2.getSeverity());
 528             assertEquals(err1.getApplicationTag(), err2.getApplicationTag());
 529             assertEquals(err1.getInfo(), err2.getInfo());
 530         }
 531     }
 532
 533     private void testFailedRpc(final DOMRpcService domRpcService, final SchemaPath schemaPath,
 534             final NormalizedNode<?, ?> input) throws InterruptedException, TimeoutException {
 535         try {
 536             invokeRpc(domRpcService, schemaPath, input, FluentFutures.immediateFailedFluentFuture(
 537                     new ClusteringRpcException("mock")));
 538             fail("Expected exception");
 539         } catch (ExecutionException e) {
 540             assertTrue(e.getCause() instanceof ClusteringRpcException);
 541             assertEquals("mock", e.getCause().getMessage());
 542         }
 543     }
 544
 545     private DOMRpcResult invokeRpc(final DOMRpcService domRpcService, final SchemaPath schemaPath,
 546             final NormalizedNode<?, ?> input, final FluentFuture<DOMRpcResult> returnFuture)
 547                     throws InterruptedException, ExecutionException, TimeoutException {
 548         topRpcImplementation.init(returnFuture);
 549         final ListenableFuture<DOMRpcResult> resultFuture = domRpcService.invokeRpc(schemaPath, input);
 550
 551         topRpcImplementation.verify(DOMRpcIdentifier.create(schemaPath), input);
 552
 553         return resultFuture.get(5, TimeUnit.SECONDS);
 554     }
 555
 556     private static void testDOMDataBrokerOperations(final DOMDataBroker dataBroker)
 557             throws InterruptedException, ExecutionException, TimeoutException {
 558
 559         DOMDataTreeWriteTransaction writeTx = dataBroker.newWriteOnlyTransaction();
 560
 561         final ContainerNode topNode = Builders.containerBuilder()
 562                 .withNodeIdentifier(new YangInstanceIdentifier.NodeIdentifier(Top.QNAME)).build();
 563         final YangInstanceIdentifier topPath = YangInstanceIdentifier.of(Top.QNAME);
 564         writeTx.put(LogicalDatastoreType.CONFIGURATION, topPath, topNode);
 565
 566         final QName name = QName.create(TopLevelList.QNAME, "name");
 567         final YangInstanceIdentifier listPath = YangInstanceIdentifier.builder(topPath)
 568                 .node(TopLevelList.QNAME).build();
 569         final MapEntryNode listEntryNode = ImmutableNodes.mapEntry(TopLevelList.QNAME, name, "one");
 570         final MapNode listNode = ImmutableNodes.mapNodeBuilder(TopLevelList.QNAME).addChild(listEntryNode).build();
 571         writeTx.merge(LogicalDatastoreType.CONFIGURATION, listPath, listNode);
 572         writeTx.commit().get(5, TimeUnit.SECONDS);
 573
 574         verifyDataInStore(dataBroker.newReadWriteTransaction(), YangInstanceIdentifier.builder(listPath)
 575                 .nodeWithKey(TopLevelList.QNAME, name, "one").build(), listEntryNode);
 576
 577         writeTx = dataBroker.newWriteOnlyTransaction();
 578         writeTx.delete(LogicalDatastoreType.CONFIGURATION, topPath);
 579         writeTx.commit().get(5, TimeUnit.SECONDS);
 580
 581         DOMDataTreeReadWriteTransaction readTx = dataBroker.newReadWriteTransaction();
 582         assertFalse(readTx.exists(LogicalDatastoreType.CONFIGURATION, topPath).get(5, TimeUnit.SECONDS));
 583         assertTrue(readTx.cancel());
 584     }
 585
 586     private static void writeNetconfNode(final String cacheDir, final DataBroker databroker)
 587             throws InterruptedException, ExecutionException, TimeoutException {
 588         final NetconfNode netconfNode = new NetconfNodeBuilder()
 589                 .setHost(new Host(new IpAddress(new Ipv4Address("127.0.0.1"))))
 590                 .setPort(new PortNumber(1234))
 591                 .setActorResponseWaitTime(10)
 592                 .setTcpOnly(Boolean.TRUE)
 593                 .setSchemaless(Boolean.FALSE)
 594                 .setKeepaliveDelay(0L)
 595                 .setConnectionTimeoutMillis(5000L)
 596                 .setDefaultRequestTimeoutMillis(5000L)
 597                 .setMaxConnectionAttempts(1L)
 598                 .setCredentials(new LoginPwUnencryptedBuilder().setLoginPasswordUnencrypted(
 599                         new LoginPasswordUnencryptedBuilder().setUsername("user").setPassword("pass").build()).build())
 600                 .setSchemaCacheDirectory(cacheDir)
 601                 .build();
 602         final Node node = new NodeBuilder().setNodeId(NODE_ID).addAugmentation(NetconfNode.class, netconfNode).build();
 603
 604         final WriteTransaction writeTx = databroker.newWriteOnlyTransaction();
 605         writeTx.put(LogicalDatastoreType.CONFIGURATION, NODE_INSTANCE_ID, node);
 606         writeTx.commit().get(5, TimeUnit.SECONDS);
 607     }
 608
 609     private static void verifyDataInStore(final DOMDataTreeReadOperations readTx, final YangInstanceIdentifier path,
 610             final NormalizedNode<?, ?> expNode) throws InterruptedException, ExecutionException, TimeoutException {
 611         final Optional<NormalizedNode<?, ?>> read = readTx.read(LogicalDatastoreType.CONFIGURATION, path)
 612                 .get(5, TimeUnit.SECONDS);
 613         assertTrue(read.isPresent());
 614         assertEquals(expNode, read.get());
 615
 616         final Boolean exists = readTx.exists(LogicalDatastoreType.CONFIGURATION, path).get(5, TimeUnit.SECONDS);
 617         assertTrue(exists);
 618     }
 619
 620     private static void verifyTopologyNodesCreated(final DataBroker dataBroker) {
 621         await().atMost(5, TimeUnit.SECONDS).until(() -> {
 622             try (ReadTransaction readTx = dataBroker.newReadOnlyTransaction()) {
 623                 Optional<Topology> configTopology = readTx.read(LogicalDatastoreType.CONFIGURATION,
 624                         NetconfTopologyUtils.createTopologyListPath(TOPOLOGY_ID)).get(3, TimeUnit.SECONDS);
 625                 Optional<Topology> operTopology = readTx.read(LogicalDatastoreType.OPERATIONAL,
 626                         NetconfTopologyUtils.createTopologyListPath(TOPOLOGY_ID)).get(3, TimeUnit.SECONDS);
 627                 return configTopology.isPresent() && operTopology.isPresent();
 628             }
 629         });
 630     }
 631
 632     private AbstractConcurrentDataBrokerTest newDataBrokerTest() throws Exception {
 633         AbstractConcurrentDataBrokerTest dataBrokerTest = new AbstractConcurrentDataBrokerTest(true) {
 634             @Override
 635             protected Set<YangModuleInfo> getModuleInfos() throws Exception {
 636                 return ImmutableSet.of(BindingReflections.getModuleInfo(NetconfNode.class),
 637                         BindingReflections.getModuleInfo(NetworkTopology.class),
 638                         BindingReflections.getModuleInfo(Topology.class),
 639                         BindingReflections.getModuleInfo(Keystore.class),
 640                         topModuleInfo);
 641             }
 642         };
 643
 644         dataBrokerTest.setup();
 645         return dataBrokerTest;
 646     }
 647
 648     private void awaitMountPointNotPresent(final DOMMountPointService mountPointService) {
 649         await().atMost(5, TimeUnit.SECONDS).until(
 650             () -> !mountPointService.getMountPoint(yangNodeInstanceId).isPresent());
 651     }
 652
 653     private static DOMDataBroker getDOMDataBroker(final DOMMountPoint mountPoint) {
 654         return getMountPointService(mountPoint, DOMDataBroker.class);
 655     }
 656
 657     private static DOMRpcService getDOMRpcService(final DOMMountPoint mountPoint) {
 658         return getMountPointService(mountPoint, DOMRpcService.class);
 659     }
 660
 661     private static DOMActionService getDomActionService(final DOMMountPoint mountPoint) {
 662         return getMountPointService(mountPoint, DOMActionService.class);
 663     }
 664
 665     private static <T extends DOMService> T getMountPointService(final DOMMountPoint mountPoint,
 666             final Class<T> serviceClass) {
 667         final Optional<T> maybeService = mountPoint.getService(serviceClass);
 668         assertTrue(maybeService.isPresent());
 669         return maybeService.get();
 670     }
 671
 672     private DOMMountPoint awaitMountPoint(final DOMMountPointService mountPointService) {
 673         await().atMost(5, TimeUnit.SECONDS).until(() ->
 674                 mountPointService.getMountPoint(yangNodeInstanceId).isPresent());
 675
 676         return mountPointService.getMountPoint(yangNodeInstanceId).get();
 677     }
 678
 679     private RpcDefinition findRpcDefinition(final String rpc) {
 680         Module topModule = deviceSchemaContext.findModule(TOP_MODULE_NAME, topModuleInfo.getName().getRevision()).get();
 681         RpcDefinition rpcDefinition = null;
 682         for (RpcDefinition def: topModule.getRpcs()) {
 683             if (def.getQName().getLocalName().equals(rpc)) {
 684                 rpcDefinition = def;
 685                 break;
 686             }
 687         }
 688
 689         assertNotNull(rpc + " rpc not found in " + topModule.getRpcs(), rpcDefinition);
 690         return rpcDefinition;
 691     }
 692
 693     private static class TopDOMRpcImplementation implements DOMRpcImplementation {
 694         private volatile SettableFuture<Entry<DOMRpcIdentifier, NormalizedNode<?, ?>>> rpcInvokedFuture;
 695         private volatile FluentFuture<DOMRpcResult> returnFuture;
 696
 697         @Override
 698         public FluentFuture<DOMRpcResult> invokeRpc(final DOMRpcIdentifier rpc,
 699                 final NormalizedNode<?, ?> input) {
 700             rpcInvokedFuture.set(new SimpleEntry<>(rpc, input));
 701             return returnFuture;
 702         }
 703
 704         void init(final FluentFuture<DOMRpcResult> retFuture) {
 705             this.returnFuture = retFuture;
 706             rpcInvokedFuture = SettableFuture.create();
 707         }
 708
 709         void verify(final DOMRpcIdentifier expRpc, final NormalizedNode<?, ?> expInput)
 710                 throws InterruptedException, ExecutionException, TimeoutException {
 711             final Entry<DOMRpcIdentifier, NormalizedNode<?, ?>> actual = rpcInvokedFuture.get(5, TimeUnit.SECONDS);
 712             assertEquals(expRpc, actual.getKey());
 713             assertEquals(expInput, actual.getValue());
 714         }
 715     }
 716 }