netconf/netconf-topology-singleton/src/test/java/org/opendaylight/netconf/topology/singleton/impl/NetconfNodeManagerTest.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 java.nio.charset.StandardCharsets.UTF_8;
  11 import static org.mockito.ArgumentMatchers.any;
  12 import static org.mockito.ArgumentMatchers.eq;
  13 import static org.mockito.Mockito.after;
  14 import static org.mockito.Mockito.doNothing;
  15 import static org.mockito.Mockito.doReturn;
  16 import static org.mockito.Mockito.mock;
  17 import static org.mockito.Mockito.reset;
  18 import static org.mockito.Mockito.timeout;
  19 import static org.mockito.Mockito.verify;
  20 import static org.mockito.Mockito.verifyNoMoreInteractions;
  21 import static org.mockito.MockitoAnnotations.initMocks;
  22 import static org.opendaylight.mdsal.binding.api.DataObjectModification.ModificationType.DELETE;
  23 import static org.opendaylight.mdsal.binding.api.DataObjectModification.ModificationType.SUBTREE_MODIFIED;
  24 import static org.opendaylight.mdsal.binding.api.DataObjectModification.ModificationType.WRITE;
  25
  26 import akka.actor.ActorSystem;
  27 import akka.actor.Props;
  28 import akka.cluster.Cluster;
  29 import akka.dispatch.Dispatchers;
  30 import akka.testkit.TestActorRef;
  31 import akka.testkit.javadsl.TestKit;
  32 import akka.util.Timeout;
  33 import com.google.common.collect.ImmutableList;
  34 import com.google.common.collect.Iterables;
  35 import com.google.common.io.ByteSource;
  36 import com.google.common.util.concurrent.Futures;
  37 import com.typesafe.config.ConfigFactory;
  38 import java.net.InetSocketAddress;
  39 import java.util.Collections;
  40 import java.util.List;
  41 import java.util.Map;
  42 import java.util.concurrent.CompletableFuture;
  43 import java.util.concurrent.ConcurrentHashMap;
  44 import java.util.concurrent.ExecutionException;
  45 import java.util.concurrent.TimeUnit;
  46 import java.util.concurrent.TimeoutException;
  47 import java.util.stream.Collectors;
  48 import org.junit.After;
  49 import org.junit.Before;
  50 import org.junit.Test;
  51 import org.mockito.Mock;
  52 import org.opendaylight.mdsal.binding.api.DataBroker;
  53 import org.opendaylight.mdsal.binding.api.DataObjectModification;
  54 import org.opendaylight.mdsal.binding.api.DataTreeIdentifier;
  55 import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
  56 import org.opendaylight.mdsal.dom.api.DOMActionService;
  57 import org.opendaylight.mdsal.dom.api.DOMDataBroker;
  58 import org.opendaylight.mdsal.dom.api.DOMMountPoint;
  59 import org.opendaylight.mdsal.dom.api.DOMMountPointService;
  60 import org.opendaylight.mdsal.dom.api.DOMNotificationService;
  61 import org.opendaylight.mdsal.dom.api.DOMRpcService;
  62 import org.opendaylight.netconf.sal.connect.api.NetconfDeviceSchemasResolver;
  63 import org.opendaylight.netconf.sal.connect.netconf.NetconfDevice;
  64 import org.opendaylight.netconf.sal.connect.util.RemoteDeviceId;
  65 import org.opendaylight.netconf.topology.singleton.impl.actors.NetconfNodeActor;
  66 import org.opendaylight.netconf.topology.singleton.impl.utils.NetconfTopologySetup;
  67 import org.opendaylight.netconf.topology.singleton.impl.utils.NetconfTopologyUtils;
  68 import org.opendaylight.netconf.topology.singleton.messages.AskForMasterMountPoint;
  69 import org.opendaylight.netconf.topology.singleton.messages.CreateInitialMasterActorData;
  70 import org.opendaylight.netconf.topology.singleton.messages.MasterActorDataInitialized;
  71 import org.opendaylight.netconf.topology.singleton.messages.YangTextSchemaSourceRequest;
  72 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Host;
  73 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.IpAddress;
  74 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4Address;
  75 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.PortNumber;
  76 import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.node.topology.rev150114.NetconfNode;
  77 import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.node.topology.rev150114.NetconfNodeBuilder;
  78 import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.node.topology.rev150114.NetconfNodeConnectionStatus;
  79 import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.node.topology.rev150114.netconf.node.connection.status.ClusteredConnectionStatusBuilder;
  80 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NodeId;
  81 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
  82 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.NodeBuilder;
  83 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.NodeKey;
  84 import org.opendaylight.yangtools.concepts.ListenerRegistration;
  85 import org.opendaylight.yangtools.concepts.ObjectRegistration;
  86 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  87 import org.opendaylight.yangtools.yang.model.repo.api.RevisionSourceIdentifier;
  88 import org.opendaylight.yangtools.yang.model.repo.api.SchemaContextFactory;
  89 import org.opendaylight.yangtools.yang.model.repo.api.SourceIdentifier;
  90 import org.opendaylight.yangtools.yang.model.repo.api.YangTextSchemaSource;
  91 import org.opendaylight.yangtools.yang.model.repo.spi.PotentialSchemaSource;
  92 import org.opendaylight.yangtools.yang.parser.repo.SharedSchemaRepository;
  93 import org.opendaylight.yangtools.yang.parser.rfc7950.repo.TextToASTTransformer;
  94
  95 /**
  96  * Unit tests for NetconfNodeManager.
  97  *
  98  * @author Thomas Pantelis
  99  */
 100 public class NetconfNodeManagerTest {
 101     private static final String ACTOR_SYSTEM_NAME = "test";
 102     private static final RemoteDeviceId DEVICE_ID = new RemoteDeviceId("device", new InetSocketAddress(65535));
 103     private static final List<SourceIdentifier> SOURCE_IDENTIFIERS =
 104             ImmutableList.of(RevisionSourceIdentifier.create("testID"));
 105
 106     @Mock
 107     private DOMMountPointService mockMountPointService;
 108
 109     @Mock
 110     private DOMMountPointService.DOMMountPointBuilder mockMountPointBuilder;
 111
 112     @Mock
 113     private ObjectRegistration<DOMMountPoint> mockMountPointReg;
 114
 115     @Mock
 116     private DataBroker mockDataBroker;
 117
 118     @Mock
 119     private DOMDataBroker mockDeviceDataBroker;
 120
 121     @Mock
 122     private DOMRpcService mockRpcService;
 123
 124     @Mock
 125     private DOMActionService mockActionService;
 126
 127     @Mock
 128     private NetconfDeviceSchemasResolver mockSchemasResolver;
 129
 130     @Mock
 131     private SchemaContextFactory mockSchemaContextFactory;
 132
 133     private ActorSystem slaveSystem;
 134     private ActorSystem masterSystem;
 135     private TestActorRef<TestMasterActor> testMasterActorRef;
 136     private NetconfNodeManager netconfNodeManager;
 137     private String masterAddress;
 138
 139     @Before
 140     public void setup() {
 141         initMocks(this);
 142
 143         final Timeout responseTimeout = Timeout.apply(1, TimeUnit.SECONDS);
 144
 145         slaveSystem = ActorSystem.create(ACTOR_SYSTEM_NAME, ConfigFactory.load().getConfig("Slave"));
 146         masterSystem = ActorSystem.create(ACTOR_SYSTEM_NAME, ConfigFactory.load().getConfig("Master"));
 147
 148         masterAddress = Cluster.get(masterSystem).selfAddress().toString();
 149
 150         SharedSchemaRepository masterSchemaRepository = new SharedSchemaRepository("master");
 151         masterSchemaRepository.registerSchemaSourceListener(
 152                 TextToASTTransformer.create(masterSchemaRepository, masterSchemaRepository));
 153
 154         String yangTemplate =
 155                   "module ID {"
 156                 + "  namespace \"ID\";"
 157                 + "  prefix ID;"
 158                 + "}";
 159
 160         SOURCE_IDENTIFIERS.stream().map(
 161             sourceId -> masterSchemaRepository.registerSchemaSource(
 162                 id -> Futures.immediateFuture(YangTextSchemaSource.delegateForByteSource(id,
 163                         ByteSource.wrap(yangTemplate.replaceAll("ID", id.getName()).getBytes(UTF_8)))),
 164                 PotentialSchemaSource.create(sourceId, YangTextSchemaSource.class, 1)))
 165         .collect(Collectors.toList());
 166
 167         NetconfTopologySetup masterSetup = new NetconfTopologySetup.NetconfTopologySetupBuilder()
 168                 .setActorSystem(masterSystem).setDataBroker(mockDataBroker).setSchemaResourceDTO(
 169                         new NetconfDevice.SchemaResourcesDTO(masterSchemaRepository, masterSchemaRepository,
 170                                 mockSchemaContextFactory, mockSchemasResolver)).build();
 171
 172         testMasterActorRef = TestActorRef.create(masterSystem, Props.create(TestMasterActor.class, masterSetup,
 173                 DEVICE_ID, responseTimeout, mockMountPointService).withDispatcher(Dispatchers.DefaultDispatcherId()),
 174                 NetconfTopologyUtils.createMasterActorName(DEVICE_ID.getName(), masterAddress));
 175
 176         SharedSchemaRepository slaveSchemaRepository = new SharedSchemaRepository("slave");
 177         slaveSchemaRepository.registerSchemaSourceListener(
 178                 TextToASTTransformer.create(slaveSchemaRepository, slaveSchemaRepository));
 179
 180         NetconfTopologySetup slaveSetup = new NetconfTopologySetup.NetconfTopologySetupBuilder()
 181                 .setActorSystem(slaveSystem).setDataBroker(mockDataBroker).setSchemaResourceDTO(
 182                         new NetconfDevice.SchemaResourcesDTO(slaveSchemaRepository, slaveSchemaRepository,
 183                                 mockSchemaContextFactory, mockSchemasResolver)).build();
 184
 185         netconfNodeManager = new NetconfNodeManager(slaveSetup, DEVICE_ID, responseTimeout,
 186                 mockMountPointService);
 187
 188         setupMountPointMocks();
 189     }
 190
 191     @After
 192     public void teardown() {
 193         TestKit.shutdownActorSystem(slaveSystem, true);
 194         TestKit.shutdownActorSystem(masterSystem, true);
 195     }
 196
 197     @SuppressWarnings("unchecked")
 198     @Test
 199     public void testSlaveMountPointRegistration() throws InterruptedException, ExecutionException, TimeoutException {
 200         initializeMaster();
 201
 202         ListenerRegistration<?> mockListenerReg = mock(ListenerRegistration.class);
 203         doReturn(mockListenerReg).when(mockDataBroker).registerDataTreeChangeListener(any(), any());
 204
 205         final NodeId nodeId = new NodeId("device");
 206         final NodeKey nodeKey = new NodeKey(nodeId);
 207         final String topologyId = "topology-netconf";
 208         final InstanceIdentifier<Node> nodeListPath = NetconfTopologyUtils.createTopologyNodeListPath(
 209                 nodeKey, topologyId);
 210
 211         netconfNodeManager.registerDataTreeChangeListener(topologyId, nodeKey);
 212         verify(mockDataBroker).registerDataTreeChangeListener(any(), eq(netconfNodeManager));
 213
 214         // Invoke onDataTreeChanged with a NetconfNode WRITE to simulate the master writing the operational state to
 215         // Connected. Expect the slave mount point created and registered.
 216
 217         final NetconfNode netconfNode = newNetconfNode();
 218         final Node node = new NodeBuilder().setNodeId(nodeId).addAugmentation(NetconfNode.class, netconfNode).build();
 219
 220         DataObjectModification<Node> mockDataObjModification = mock(DataObjectModification.class);
 221         doReturn(Iterables.getLast(nodeListPath.getPathArguments())).when(mockDataObjModification).getIdentifier();
 222         doReturn(WRITE).when(mockDataObjModification).getModificationType();
 223         doReturn(node).when(mockDataObjModification).getDataAfter();
 224
 225         netconfNodeManager.onDataTreeChanged(Collections.singletonList(
 226                 new NetconfTopologyManagerTest.CustomTreeModification(DataTreeIdentifier.create(
 227                         LogicalDatastoreType.OPERATIONAL, nodeListPath), mockDataObjModification)));
 228
 229         verify(mockMountPointBuilder, timeout(5000)).register();
 230         verify(mockMountPointBuilder).addService(eq(DOMDataBroker.class), any());
 231         verify(mockMountPointBuilder).addService(eq(DOMRpcService.class), any());
 232         verify(mockMountPointBuilder).addService(eq(DOMNotificationService.class), any());
 233         verify(mockMountPointService).createMountPoint(DEVICE_ID.getTopologyPath());
 234
 235         // Notify that the NetconfNode operational state was deleted. Expect the slave mount point closed.
 236
 237         doReturn(DELETE).when(mockDataObjModification).getModificationType();
 238         doReturn(node).when(mockDataObjModification).getDataBefore();
 239         doReturn(null).when(mockDataObjModification).getDataAfter();
 240
 241         netconfNodeManager.onDataTreeChanged(Collections.singletonList(
 242                 new NetconfTopologyManagerTest.CustomTreeModification(DataTreeIdentifier.create(
 243                         LogicalDatastoreType.OPERATIONAL, nodeListPath), mockDataObjModification)));
 244
 245         verify(mockMountPointReg, timeout(5000)).close();
 246
 247         // Notify with a NetconfNode operational state WRITE. Expect the slave mount point re-created.
 248
 249         setupMountPointMocks();
 250
 251         doReturn(WRITE).when(mockDataObjModification).getModificationType();
 252         doReturn(null).when(mockDataObjModification).getDataBefore();
 253         doReturn(node).when(mockDataObjModification).getDataAfter();
 254
 255         netconfNodeManager.onDataTreeChanged(Collections.singletonList(
 256                 new NetconfTopologyManagerTest.CustomTreeModification(DataTreeIdentifier.create(
 257                         LogicalDatastoreType.OPERATIONAL, nodeListPath), mockDataObjModification)));
 258
 259         verify(mockMountPointBuilder, timeout(5000)).register();
 260
 261         // Notify again with a NetconfNode operational state WRITE. Expect the prior slave mount point closed and
 262         // and a new one registered.
 263
 264         setupMountPointMocks();
 265
 266         doReturn(node).when(mockDataObjModification).getDataBefore();
 267
 268         netconfNodeManager.onDataTreeChanged(Collections.singletonList(
 269                 new NetconfTopologyManagerTest.CustomTreeModification(DataTreeIdentifier.create(
 270                         LogicalDatastoreType.OPERATIONAL, nodeListPath), mockDataObjModification)));
 271
 272         verify(mockMountPointReg, timeout(5000)).close();
 273         verify(mockMountPointBuilder, timeout(5000)).register();
 274
 275         // Notify that the NetconfNode operational state was changed to UnableToConnect. Expect the slave mount point
 276         // closed.
 277
 278         setupMountPointMocks();
 279
 280         final Node updatedNode = new NodeBuilder().setNodeId(nodeId)
 281                 .addAugmentation(NetconfNode.class, new NetconfNodeBuilder(netconfNode)
 282                         .setConnectionStatus(NetconfNodeConnectionStatus.ConnectionStatus.UnableToConnect)
 283                         .build()).build();
 284
 285         doReturn(SUBTREE_MODIFIED).when(mockDataObjModification).getModificationType();
 286         doReturn(node).when(mockDataObjModification).getDataBefore();
 287         doReturn(updatedNode).when(mockDataObjModification).getDataAfter();
 288
 289         netconfNodeManager.onDataTreeChanged(Collections.singletonList(
 290                 new NetconfTopologyManagerTest.CustomTreeModification(DataTreeIdentifier.create(
 291                         LogicalDatastoreType.OPERATIONAL, nodeListPath), mockDataObjModification)));
 292
 293         verify(mockMountPointReg, timeout(5000)).close();
 294
 295         netconfNodeManager.close();
 296         verifyNoMoreInteractions(mockMountPointReg);
 297     }
 298
 299     @SuppressWarnings("unchecked")
 300     @Test
 301     public void testSlaveMountPointRegistrationFailuresAndRetries()
 302             throws InterruptedException, ExecutionException, TimeoutException {
 303         final NodeId nodeId = new NodeId("device");
 304         final NodeKey nodeKey = new NodeKey(nodeId);
 305         final String topologyId = "topology-netconf";
 306         final InstanceIdentifier<Node> nodeListPath = NetconfTopologyUtils.createTopologyNodeListPath(
 307                 nodeKey, topologyId);
 308
 309         final NetconfNode netconfNode = newNetconfNode();
 310         final Node node = new NodeBuilder().setNodeId(nodeId).addAugmentation(NetconfNode.class, netconfNode).build();
 311
 312         DataObjectModification<Node> mockDataObjModification = mock(DataObjectModification.class);
 313         doReturn(Iterables.getLast(nodeListPath.getPathArguments())).when(mockDataObjModification).getIdentifier();
 314         doReturn(WRITE).when(mockDataObjModification).getModificationType();
 315         doReturn(node).when(mockDataObjModification).getDataAfter();
 316
 317         // First try the registration where the perceived master hasn't been initialized as the master.
 318
 319         netconfNodeManager.onDataTreeChanged(Collections.singletonList(
 320                 new NetconfTopologyManagerTest.CustomTreeModification(DataTreeIdentifier.create(
 321                         LogicalDatastoreType.OPERATIONAL, nodeListPath), mockDataObjModification)));
 322
 323         verify(mockMountPointBuilder, after(1000).never()).register();
 324
 325         // Initialize the master but drop the initial YangTextSchemaSourceRequest message sent to the master so
 326         // it retries.
 327
 328         initializeMaster();
 329
 330         CompletableFuture<AskForMasterMountPoint> yangTextSchemaSourceRequestFuture = new CompletableFuture<>();
 331         testMasterActorRef.underlyingActor().messagesToDrop.put(YangTextSchemaSourceRequest.class,
 332                 yangTextSchemaSourceRequestFuture);
 333
 334         netconfNodeManager.onDataTreeChanged(Collections.singletonList(
 335                 new NetconfTopologyManagerTest.CustomTreeModification(DataTreeIdentifier.create(
 336                         LogicalDatastoreType.OPERATIONAL, nodeListPath), mockDataObjModification)));
 337
 338         yangTextSchemaSourceRequestFuture.get(5, TimeUnit.SECONDS);
 339         verify(mockMountPointBuilder, timeout(5000)).register();
 340
 341         // Initiate another registration but drop the initial AskForMasterMountPoint message sent to the master so
 342         // it retries.
 343
 344         setupMountPointMocks();
 345
 346         CompletableFuture<AskForMasterMountPoint> askForMasterMountPointFuture = new CompletableFuture<>();
 347         testMasterActorRef.underlyingActor().messagesToDrop.put(AskForMasterMountPoint.class,
 348                 askForMasterMountPointFuture);
 349
 350         netconfNodeManager.onDataTreeChanged(Collections.singletonList(
 351                 new NetconfTopologyManagerTest.CustomTreeModification(DataTreeIdentifier.create(
 352                         LogicalDatastoreType.OPERATIONAL, nodeListPath), mockDataObjModification)));
 353
 354         askForMasterMountPointFuture.get(5, TimeUnit.SECONDS);
 355         verify(mockMountPointReg, timeout(5000)).close();
 356         verify(mockMountPointBuilder, timeout(5000)).register();
 357
 358         setupMountPointMocks();
 359         netconfNodeManager.close();
 360         verify(mockMountPointReg, timeout(5000)).close();
 361     }
 362
 363     private NetconfNode newNetconfNode() {
 364         return new NetconfNodeBuilder()
 365                 .setHost(new Host(new IpAddress(new Ipv4Address("127.0.0.1"))))
 366                 .setPort(new PortNumber(9999))
 367                 .setConnectionStatus(NetconfNodeConnectionStatus.ConnectionStatus.Connected)
 368                 .setClusteredConnectionStatus(new ClusteredConnectionStatusBuilder()
 369                         .setNetconfMasterNode(masterAddress).build())
 370                 .build();
 371     }
 372
 373     private void setupMountPointMocks() {
 374         reset(mockMountPointService, mockMountPointBuilder, mockMountPointReg);
 375
 376         doNothing().when(mockMountPointReg).close();
 377
 378         doReturn(mockMountPointBuilder).when(mockMountPointBuilder).addInitialSchemaContext(any());
 379         doReturn(mockMountPointBuilder).when(mockMountPointBuilder).addService(any(), any());
 380         doReturn(mockMountPointReg).when(mockMountPointBuilder).register();
 381
 382         doReturn(mockMountPointBuilder).when(mockMountPointService).createMountPoint(any());
 383     }
 384
 385     private void initializeMaster() {
 386         TestKit kit = new TestKit(masterSystem);
 387
 388         testMasterActorRef.tell(new CreateInitialMasterActorData(mockDeviceDataBroker, SOURCE_IDENTIFIERS,
 389                 mockRpcService, mockActionService), kit.getRef());
 390
 391         kit.expectMsgClass(MasterActorDataInitialized.class);
 392     }
 393
 394     private static class TestMasterActor extends NetconfNodeActor {
 395         final Map<Class<?>, CompletableFuture<? extends Object>> messagesToDrop = new ConcurrentHashMap<>();
 396
 397         TestMasterActor(final NetconfTopologySetup setup, final RemoteDeviceId deviceId,
 398                 final Timeout actorResponseWaitTime, final DOMMountPointService mountPointService) {
 399             super(setup, deviceId, setup.getSchemaResourcesDTO().getSchemaRegistry(),
 400                     setup.getSchemaResourcesDTO().getSchemaRepository(), actorResponseWaitTime, mountPointService);
 401         }
 402
 403         @SuppressWarnings({ "rawtypes", "unchecked" })
 404         @Override
 405         public void handleReceive(final Object message) {
 406             CompletableFuture dropFuture = messagesToDrop.remove(message.getClass());
 407             if (dropFuture != null) {
 408                 dropFuture.complete(message);
 409             } else {
 410                 super.handleReceive(message);
 411             }
 412         }
 413     }
 414 }