renderers/vpp/src/main/java/org/opendaylight/groupbasedpolicy/renderer/vpp/manager/VppNodeManager.java

   1 /*
   2  * Copyright (c) 2016 Cisco Systems, Inc. and others. All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8
   9 package org.opendaylight.groupbasedpolicy.renderer.vpp.manager;
  10
  11 import static org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.node.topology.rev150114.NetconfNodeConnectionStatus.ConnectionStatus.Connected;
  12 import static org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.node.topology.rev150114.NetconfNodeConnectionStatus.ConnectionStatus.Connecting;
  13 import static org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.node.topology.rev150114.NetconfNodeConnectionStatus.ConnectionStatus.UnableToConnect;
  14
  15 import java.util.ArrayList;
  16 import java.util.Arrays;
  17 import java.util.HashMap;
  18 import java.util.List;
  19 import java.util.Map;
  20 import java.util.Objects;
  21 import java.util.concurrent.Callable;
  22 import java.util.concurrent.ExecutionException;
  23 import java.util.concurrent.ExecutorService;
  24 import java.util.concurrent.Executors;
  25 import java.util.concurrent.Future;
  26 import java.util.stream.Collectors;
  27
  28 import javax.annotation.Nonnull;
  29 import javax.annotation.Nullable;
  30
  31 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  32 import org.opendaylight.controller.md.sal.binding.api.MountPoint;
  33 import org.opendaylight.controller.md.sal.binding.api.MountPointService;
  34 import org.opendaylight.controller.md.sal.binding.api.ReadOnlyTransaction;
  35 import org.opendaylight.controller.md.sal.binding.api.ReadTransaction;
  36 import org.opendaylight.controller.md.sal.binding.api.ReadWriteTransaction;
  37 import org.opendaylight.controller.md.sal.binding.api.WriteTransaction;
  38 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  39 import org.opendaylight.controller.md.sal.common.api.data.TransactionCommitFailedException;
  40 import org.opendaylight.controller.sal.binding.api.BindingAwareBroker;
  41 import org.opendaylight.groupbasedpolicy.renderer.vpp.lisp.mappers.HostIdToInterfaceInfoMapper;
  42 import org.opendaylight.groupbasedpolicy.renderer.vpp.nat.NatUtil;
  43 import org.opendaylight.groupbasedpolicy.renderer.vpp.util.VppIidFactory;
  44 import org.opendaylight.groupbasedpolicy.renderer.vpp.util.VppRendererProcessingException;
  45 import org.opendaylight.groupbasedpolicy.util.DataStoreHelper;
  46 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.iana._if.type.rev140508.EthernetCsmacd;
  47 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.IpAddress;
  48 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4Address;
  49 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.Interfaces;
  50 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev140616.Interface1;
  51 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.renderer.rev151103.renderers.renderer.RendererNodes;
  52 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.renderer.rev151103.renderers.renderer.renderer.nodes.RendererNode;
  53 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.renderer.rev151103.renderers.renderer.renderer.nodes.RendererNodeBuilder;
  54 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.renderer.rev151103.renderers.renderer.renderer.nodes.RendererNodeKey;
  55 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.vpp_renderer.rev160425.VppInterfaceAugmentation;
  56 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.vpp_renderer.rev160425.VppInterfaceAugmentationBuilder;
  57 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.vpp_renderer.rev160425.renderers.renderer.renderer.nodes.renderer.node.PhysicalInterface;
  58 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.vpp_renderer.rev160425.renderers.renderer.renderer.nodes.renderer.node.PhysicalInterfaceBuilder;
  59 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.vpp_renderer.rev160425.renderers.renderer.renderer.nodes.renderer.node.PhysicalInterfaceKey;
  60 import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.node.topology.rev150114.NetconfNode;
  61 import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.node.topology.rev150114.NetconfNodeConnectionStatus;
  62 import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.node.topology.rev150114.netconf.node.connection.status.available.capabilities.AvailableCapability;
  63 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NetworkTopology;
  64 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NodeId;
  65 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.TopologyId;
  66 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.Topology;
  67 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.TopologyKey;
  68 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
  69 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.NodeKey;
  70 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  71 import org.slf4j.Logger;
  72 import org.slf4j.LoggerFactory;
  73
  74 import com.google.common.base.Optional;
  75 import com.google.common.base.Preconditions;
  76 import com.google.common.base.Splitter;
  77 import com.google.common.base.Strings;
  78 import com.google.common.collect.Lists;
  79 import com.google.common.collect.Sets;
  80 import com.google.common.util.concurrent.CheckedFuture;
  81 import com.google.common.util.concurrent.FutureCallback;
  82 import com.google.common.util.concurrent.Futures;
  83 import com.google.common.util.concurrent.ListenableFuture;
  84
  85 public class VppNodeManager {
  86
  87     private static final short DURATION = 3000;
  88     private static final TopologyId TOPOLOGY_ID = new TopologyId("topology-netconf");
  89     private static final Logger LOG = LoggerFactory.getLogger(VppNodeManager.class);
  90     private static final String V3PO_CAPABILITY = "(urn:opendaylight:params:xml:ns:yang:v3po?revision=2017-06-07)v3po";
  91     private static final String INTERFACES_CAPABILITY = "(urn:ietf:params:xml:ns:yang:ietf-interfaces?revision=2014-05-08)ietf-interfaces";
  92     private static final NodeId CONTROLLER_CONFIG_NODE = new NodeId("controller-config");
  93     private static final String NO_PUBLIC_INT_SPECIFIED = "unspecified";
  94     private static final String PUBLIC_INTERFACE = "public-interface";
  95     private final Map<NodeId, PhysicalInterfaceKey> extInterfaces = new HashMap<>();
  96     private final DataBroker dataBroker;
  97     private final List<String> requiredCapabilities;
  98     private final MountPointService mountService;
  99
 100     public VppNodeManager(@Nonnull final DataBroker dataBroker,
 101             @Nonnull final BindingAwareBroker.ProviderContext session, @Nullable String physicalInterfaces) {
 102         this.dataBroker = Preconditions.checkNotNull(dataBroker);
 103         this.mountService = Preconditions.checkNotNull(session.getSALService(MountPointService.class));
 104         requiredCapabilities = initializeRequiredCapabilities();
 105         if (!Strings.isNullOrEmpty(physicalInterfaces) && !Objects.equals(physicalInterfaces, NO_PUBLIC_INT_SPECIFIED)) {
 106             loadPhysicalInterfaces(physicalInterfaces);
 107         }
 108     }
 109
 110     /**
 111      * Caches list of physical interfaces.
 112      */
 113     private void loadPhysicalInterfaces(@Nonnull String physicalInterfaces) {
 114         for (String intfOnNode : Sets.newConcurrentHashSet(Splitter.on(",").split(physicalInterfaces))) {
 115             List<String> entries = Lists.newArrayList(Splitter.on(":").split(intfOnNode));
 116             if (entries.size() != 2) {
 117                 LOG.warn("Cannot resolve {} initial configuration for physical interfaces.", intfOnNode);
 118                 continue;
 119             }
 120             NodeId nodeId = new NodeId(entries.get(0));
 121             PhysicalInterfaceKey infaceKey = new PhysicalInterfaceKey(entries.get(1));
 122             LOG.info("Interface %s on node %swill be considered as external", infaceKey, nodeId);
 123             extInterfaces.put(nodeId, infaceKey);
 124         }
 125     }
 126
 127     /**
 128      * Synchronizes nodes to DataStore based on their modification state which results in
 129      * create/update/remove of Node.
 130      */
 131     public void syncNodes(final Node dataAfter, final Node dataBefore) {
 132         if (isControllerConfigNode(dataAfter, dataBefore)) {
 133             LOG.trace("{} is ignored by VPP-renderer", CONTROLLER_CONFIG_NODE);
 134             return;
 135         }
 136         ListenableFuture<String> syncFuture = Futures.immediateFuture(null);
 137         // New node
 138         if (dataBefore == null && dataAfter != null) {
 139             syncFuture = createNode(dataAfter);
 140         }
 141         // Connected/disconnected node
 142         else if (dataBefore != null && dataAfter != null) {
 143             syncFuture = updateNode(dataAfter);
 144         }
 145         // Removed node
 146         else if (dataBefore != null) {
 147             syncFuture = removeNode(dataBefore);
 148         }
 149         Futures.addCallback(syncFuture, new FutureCallback<String>() {
 150             @Override
 151             public void onSuccess(@Nullable String message) {
 152                 LOG.info("Node synchronization completed. {} ", message);
 153             }
 154
 155             @Override
 156             public void onFailure(@Nonnull Throwable t) {
 157                 LOG.warn("Node synchronization failed. Data before: {} after {}", dataBefore, dataAfter);
 158             }
 159         });
 160     }
 161
 162     private boolean isControllerConfigNode(final Node dataAfter, final Node dataBefore) {
 163         if (dataAfter != null) {
 164             return CONTROLLER_CONFIG_NODE.equals(dataAfter.getNodeId());
 165         }
 166         return CONTROLLER_CONFIG_NODE.equals(dataBefore.getNodeId());
 167     }
 168
 169     private ListenableFuture<String> createNode(final Node node) {
 170         final String nodeId = node.getNodeId().getValue();
 171         LOG.info("Registering new node {}", nodeId);
 172         final NetconfNode netconfNode = getNodeAugmentation(node);
 173         if (netconfNode == null) {
 174             final String message = String.format("Node %s is not an netconf node", nodeId);
 175             return Futures.immediateFuture(message);
 176         }
 177         final NetconfNodeConnectionStatus.ConnectionStatus connectionStatus = netconfNode.getConnectionStatus();
 178         switch (connectionStatus) {
 179             case Connecting: {
 180                 final String message = String.format("Connecting device %s ...", nodeId);
 181                 return Futures.immediateFuture(message);
 182             }
 183             case Connected: {
 184                 return resolveConnectedNode(node, netconfNode);
 185             }
 186             case UnableToConnect: {
 187                 final String message = String.format("Connection status is unable to connect for node %s", nodeId);
 188                 return Futures.immediateFuture(message);
 189             }
 190             default: {
 191                 final String message = String.format("Unknown connection status for node %s", nodeId);
 192                 return Futures.immediateFailedFuture(new VppRendererProcessingException(message));
 193             }
 194         }
 195     }
 196
 197     private ListenableFuture<String> updateNode(final Node node) {
 198         final String nodeId = node.getNodeId().getValue();
 199         LOG.info("Updating node {}", nodeId);
 200         final NetconfNode netconfNode = getNodeAugmentation(node);
 201         if (netconfNode == null) {
 202             final String message = String.format("Node %s is not an netconf node", nodeId);
 203             return Futures.immediateFuture(message);
 204         }
 205         final NetconfNodeConnectionStatus.ConnectionStatus afterNodeStatus = netconfNode.getConnectionStatus();
 206         if (Connected.equals(afterNodeStatus)) {
 207             return resolveConnectedNode(node, netconfNode);
 208         } else if (Connecting.equals(afterNodeStatus)) {
 209             final String cause = String.format("Node %s is disconnected, removing from available nodes", nodeId);
 210             return resolveDisconnectedNode(node, cause);
 211         } else if (UnableToConnect.equals(afterNodeStatus)) {
 212             final String cause = String.format("New node %s status is unable to connect, removing from available nodes",
 213                     nodeId);
 214             return resolveDisconnectedNode(node, cause);
 215         } else {
 216             final String cause = String.format("New node status is unknown. Node %s will be removed from available nodes",
 217                     nodeId);
 218             return resolveDisconnectedNode(node, cause);
 219         }
 220     }
 221
 222     private ListenableFuture<String> removeNode(final Node node) {
 223         final String cause = String.format("Node %s is removed", node.getNodeId().getValue());
 224         return resolveDisconnectedNode(node, cause);
 225     }
 226
 227     private ListenableFuture<String> resolveConnectedNode(final Node node, final NetconfNode netconfNode) {
 228         final String nodeId = node.getNodeId().getValue();
 229         final InstanceIdentifier<Node> mountPointIid = getMountpointIid(node);
 230         final RendererNode rendererNode = remapNode(mountPointIid);
 231         if (!isCapableNetconfDevice(node, netconfNode)) {
 232             final String message = String.format("Node %s is not connected", nodeId);
 233             return Futures.immediateFuture(message);
 234         }
 235         final DataBroker mountpoint = getNodeMountPoint(mountPointIid);
 236         if (mountpoint == null) {
 237             final String message = String.format("Mountpoint not available for node %s", nodeId);
 238             return Futures.immediateFuture(message);
 239         }
 240         final WriteTransaction wTx = dataBroker.newWriteOnlyTransaction();
 241         wTx.put(LogicalDatastoreType.OPERATIONAL, VppIidFactory.getRendererNodeIid(rendererNode), rendererNode, true);
 242         final boolean submit = DataStoreHelper.submitToDs(wTx);
 243         if (submit) {
 244             final String message = String.format("Node %s is capable and ready", nodeId);
 245             syncPhysicalInterfacesInLocalDs(mountpoint, mountPointIid);
 246             NatUtil.resolveOutboundNatInterface(mountpoint, mountPointIid, node.getNodeId(), extInterfaces);
 247             return Futures.immediateFuture(message);
 248         } else {
 249             final String message = String.format("Failed to resolve connected node %s", nodeId);
 250             return Futures.immediateFuture(message);
 251         }
 252     }
 253
 254     private ListenableFuture<String> resolveDisconnectedNode(final Node node, final String cause) {
 255         final InstanceIdentifier<Node> mountPointIid = getMountpointIid(node);
 256         final RendererNode rendererNode = remapNode(mountPointIid);
 257         final WriteTransaction wTx = dataBroker.newWriteOnlyTransaction();
 258         wTx.delete(LogicalDatastoreType.OPERATIONAL, VppIidFactory.getRendererNodeIid(rendererNode));
 259         extInterfaces.remove(node.getNodeId());
 260         final CheckedFuture<Void, TransactionCommitFailedException> checkedFuture = wTx.submit();
 261         try {
 262             checkedFuture.checkedGet();
 263             return Futures.immediateFuture(cause);
 264         } catch (TransactionCommitFailedException e) {
 265             final String message = String.format("Failed to resolve disconnected node %s", node.getNodeId().getValue());
 266             return Futures.immediateFailedFuture(new VppRendererProcessingException(message));
 267         }
 268     }
 269
 270     @Nullable
 271     private DataBroker getNodeMountPoint(final InstanceIdentifier<Node> mountPointIid) {
 272         final Future<Optional<MountPoint>> futureOptionalObject = getMountpointFromSal(mountPointIid);
 273         try {
 274             final Optional<MountPoint> optionalObject = futureOptionalObject.get();
 275             LOG.debug("Optional mountpoint object: {}", optionalObject);
 276             MountPoint mountPoint;
 277             if (optionalObject.isPresent()) {
 278                 mountPoint = optionalObject.get();
 279                 Optional<DataBroker> optionalDataBroker = mountPoint.getService(DataBroker.class);
 280                 if (optionalDataBroker.isPresent()) {
 281                     return optionalDataBroker.get();
 282                 } else {
 283                     LOG.warn("Cannot obtain data broker from mountpoint {}", mountPoint);
 284                 }
 285             } else {
 286                 LOG.warn("Cannot obtain mountpoint with IID {}", mountPointIid);
 287             }
 288             return null;
 289         } catch (ExecutionException | InterruptedException e) {
 290             LOG.warn("Unable to obtain mountpoint ... {}", e);
 291             return null;
 292         }
 293     }
 294
 295     private RendererNode remapNode(final InstanceIdentifier<Node> path) {
 296         final RendererNodeBuilder rendererNodeBuilder = new RendererNodeBuilder();
 297         rendererNodeBuilder.setKey(new RendererNodeKey(path)).setNodePath(path);
 298         return rendererNodeBuilder.build();
 299     }
 300
 301     private InstanceIdentifier<Node> getMountpointIid(final Node node) {
 302         return InstanceIdentifier.builder(NetworkTopology.class)
 303                 .child(Topology.class, new TopologyKey(TOPOLOGY_ID))
 304                 .child(Node.class, new NodeKey(node.getNodeId()))
 305                 .build();
 306     }
 307
 308     private boolean isCapableNetconfDevice(final Node node, final NetconfNode netconfAugmentation) {
 309         if (netconfAugmentation.getAvailableCapabilities() == null
 310                 || netconfAugmentation.getAvailableCapabilities().getAvailableCapability() == null
 311                 || netconfAugmentation.getAvailableCapabilities().getAvailableCapability().isEmpty()) {
 312             LOG.warn("Node {} does not contain any capabilities", node.getNodeId().getValue());
 313             return false;
 314         }
 315         if (!capabilityCheck(netconfAugmentation.getAvailableCapabilities().getAvailableCapability())) {
 316             LOG.warn("Node {} does not contain all capabilities required by vpp-renderer", node.getNodeId().getValue());
 317             return false;
 318         }
 319         return true;
 320     }
 321
 322     private boolean capabilityCheck(final List<AvailableCapability> capabilities) {
 323         final List<String> availableCapabilities = capabilities.stream()
 324                 .map(AvailableCapability::getCapability)
 325                 .collect(Collectors.toList());
 326         return requiredCapabilities.stream()
 327                 .allMatch(availableCapabilities::contains);
 328     }
 329
 330     private NetconfNode getNodeAugmentation(final Node node) {
 331         final NetconfNode netconfNode = node.getAugmentation(NetconfNode.class);
 332         if (netconfNode == null) {
 333             LOG.warn("Node {} is not a netconf device", node.getNodeId().getValue());
 334             return null;
 335         }
 336         return netconfNode;
 337     }
 338
 339     /**
 340      * Initialize all common capabilities required by VPP renderer. Any connected node is examined
 341      * whether it's
 342      * an appropriate device to handle configuration created by this renderer. A device must support
 343      * all capabilities
 344      * in list below.
 345      *
 346      * @return list of string representations of required capabilities
 347      */
 348     private List<String> initializeRequiredCapabilities() {
 349         // Required device capabilities
 350         String[] capabilityEntries = {V3PO_CAPABILITY, INTERFACES_CAPABILITY};
 351         return Arrays.asList(capabilityEntries);
 352     }
 353
 354     // TODO bug 7699
 355     // This works as a workaround for mountpoint registration in cluster. If application is registered on different
 356     // node as netconf service, it obtains mountpoint registered by SlaveSalFacade (instead of MasterSalFacade). However
 357     // this service registers mountpoint a moment later then connectionStatus is set to "Connected". If NodeManager hits
 358     // state where device is connected but mountpoint is not yet available, try to get it again in a while
 359     private Future<Optional<MountPoint>> getMountpointFromSal(final InstanceIdentifier<Node> iid) {
 360         final ExecutorService executorService = Executors.newSingleThreadExecutor();
 361         final Callable<Optional<MountPoint>> task = () -> {
 362             byte attempt = 0;
 363             do {
 364                 try {
 365                     final Optional<MountPoint> optionalMountpoint = mountService.getMountPoint(iid);
 366                     if (optionalMountpoint.isPresent()) {
 367                         return optionalMountpoint;
 368                     }
 369                     LOG.warn("Mountpoint {} is not registered yet", iid);
 370                     Thread.sleep(DURATION);
 371                 } catch (InterruptedException e) {
 372                     LOG.warn("Thread interrupted to ", e);
 373                 }
 374                 attempt++;
 375             } while (attempt <= 3);
 376             return Optional.absent();
 377         };
 378         return executorService.submit(task);
 379     }
 380
 381     private void syncPhysicalInterfacesInLocalDs(DataBroker mountPointDataBroker, InstanceIdentifier<Node> nodeIid) {
 382         ReadWriteTransaction rwTx = dataBroker.newReadWriteTransaction();
 383         ReadOnlyTransaction rTx = mountPointDataBroker.newReadOnlyTransaction();
 384         Optional<Interfaces> readIfaces = DataStoreHelper.readFromDs(LogicalDatastoreType.CONFIGURATION,
 385                 InstanceIdentifier.create(Interfaces.class), rTx);
 386         if (readIfaces.isPresent()) {
 387             InstanceIdentifier<RendererNode> rendererNodeIid = VppIidFactory.getRendererNodesIid()
 388                 .builder()
 389                 .child(RendererNode.class, new RendererNodeKey(nodeIid))
 390                 .build();
 391             Optional<RendererNode> optRendNode = DataStoreHelper.readFromDs(LogicalDatastoreType.OPERATIONAL,
 392                     rendererNodeIid, rwTx);
 393             NodeId nodeId = nodeIid.firstKeyOf(Node.class).getNodeId();
 394             RendererNode rendNode = new RendererNodeBuilder(optRendNode.get())
 395                 .addAugmentation(VppInterfaceAugmentation.class, resolveTerminationPoints(nodeId, readIfaces.get()))
 396                 .build();
 397             rwTx.put(LogicalDatastoreType.OPERATIONAL, VppIidFactory.getRendererNodeIid(optRendNode.get()), rendNode,
 398                     true);
 399         }
 400         rTx.close();
 401         DataStoreHelper.submitToDs(rwTx);
 402     }
 403
 404     private VppInterfaceAugmentation resolveTerminationPoints(NodeId nodeId, Interfaces interfaces) {
 405         List<PhysicalInterface> phIfaces = new ArrayList<>();
 406         if (interfaces != null && interfaces.getInterface() != null) {
 407             interfaces.getInterface()
 408                 .stream()
 409                 .filter(iface -> iface.getType().equals(EthernetCsmacd.class))
 410                 .filter(iface -> iface.getAugmentation(Interface1.class) != null)
 411                 .forEach(iface -> {
 412                     PhysicalInterfaceBuilder phIface = new PhysicalInterfaceBuilder();
 413                     phIface.setInterfaceName(iface.getName());
 414                     phIface.setType(iface.getType());
 415                     phIface.setAddress(resolveIpAddress(iface.getAugmentation(Interface1.class)));
 416
 417                     if (extInterfaces.get(nodeId) != null
 418                             && extInterfaces.get(nodeId).getInterfaceName().equals(phIface.getInterfaceName())) {
 419                         phIface.setExternal(true);
 420                         extInterfaces.put(nodeId, new PhysicalInterfaceKey(iface.getName()));
 421                         HostIdToInterfaceInfoMapper.getInstance()
 422                                 .addInterfaceInfo(nodeId.getValue(), HostIdToInterfaceInfoMapper.InterfaceType.PUBLIC,
 423                                         phIface.getInterfaceName(), phIface.getAddress().get(0));
 424                         LOG.info("Interface {} is marked as public interface based on bundle configuration.",
 425                                 iface.getName());
 426                     }
 427                     if (PUBLIC_INTERFACE.equals(iface.getDescription())) {
 428                         phIface.setExternal(true);
 429                         extInterfaces.put(nodeId, new PhysicalInterfaceKey(iface.getName()));
 430                         HostIdToInterfaceInfoMapper.getInstance()
 431                                 .addInterfaceInfo(nodeId.getValue(), HostIdToInterfaceInfoMapper.InterfaceType.PUBLIC,
 432                                         phIface.getInterfaceName(), phIface.getAddress().get(0));
 433                         LOG.info("Interface {} is marked as public interface based on HC configuration.",
 434                                 iface.getName());
 435                     }
 436                     phIfaces.add(phIface.build());
 437                 });
 438         }
 439         return new VppInterfaceAugmentationBuilder().setPhysicalInterface(phIfaces).build();
 440     }
 441
 442     private List<IpAddress> resolveIpAddress(Interface1 iface) {
 443         if (iface.getIpv4() != null && iface.getIpv4().getAddress() != null) {
 444             return iface.getIpv4().getAddress().stream().map(ipv4 ->
 445                     new IpAddress(new Ipv4Address(ipv4.getIp().getValue()))).collect(Collectors.toList());
 446         } else if (iface.getIpv6() != null && iface.getIpv6().getAddress() != null) {
 447             return iface.getIpv6().getAddress().stream().map(ipv6 ->
 448                     new IpAddress(new Ipv4Address(ipv6.getIp().getValue()))).collect(Collectors.toList());
 449         }
 450         return Lists.newArrayList();
 451     }
 452
 453     public static Map<NodeId, String> resolvePublicInterfaces(ReadTransaction rTx) {
 454         Map<NodeId, String> nodes = new HashMap<>();
 455         Optional<RendererNodes> rendNodes =
 456                 DataStoreHelper.readFromDs(LogicalDatastoreType.OPERATIONAL, VppIidFactory.getRendererNodesIid(), rTx);
 457         if (!rendNodes.isPresent()) {
 458             return nodes;
 459         }
 460         rendNodes.get()
 461             .getRendererNode()
 462             .stream()
 463             .filter(rn -> rn.getAugmentation(VppInterfaceAugmentation.class) != null)
 464             .filter(rn -> rn.getAugmentation(VppInterfaceAugmentation.class).getPhysicalInterface() != null)
 465             .forEach(rn -> {
 466                 java.util.Optional<PhysicalInterface> pubInt = rn.getAugmentation(VppInterfaceAugmentation.class)
 467                     .getPhysicalInterface()
 468                     .stream()
 469                     .filter(phInt -> phInt.isExternal())
 470                     .findFirst();
 471                 if (pubInt.isPresent()) {
 472                     nodes.put(rn.getNodePath().firstKeyOf(Node.class).getNodeId(), pubInt.get().getInterfaceName());
 473                 }
 474             });
 475         return nodes;
 476     }
 477 }