2 * Copyright (c) 2016 Cisco Systems, Inc. and others. All rights reserved.
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
9 package org.opendaylight.groupbasedpolicy.renderer.vpp.manager;
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;
15 import java.util.ArrayList;
16 import java.util.Arrays;
17 import java.util.HashMap;
18 import java.util.List;
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;
28 import javax.annotation.Nonnull;
29 import javax.annotation.Nullable;
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.info.container.HostRelatedInfoContainer;
42 import org.opendaylight.groupbasedpolicy.renderer.vpp.lisp.info.container.states.PhysicalInterfaces;
43 import org.opendaylight.groupbasedpolicy.renderer.vpp.nat.NatUtil;
44 import org.opendaylight.groupbasedpolicy.renderer.vpp.util.VppIidFactory;
45 import org.opendaylight.groupbasedpolicy.renderer.vpp.util.VppRendererProcessingException;
46 import org.opendaylight.groupbasedpolicy.util.DataStoreHelper;
47 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.iana._if.type.rev140508.EthernetCsmacd;
48 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.IpAddress;
49 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4Address;
50 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.Interfaces;
51 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev140616.Interface1;
52 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.renderer.rev151103.renderers.renderer.RendererNodes;
53 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.renderer.rev151103.renderers.renderer.renderer.nodes.RendererNode;
54 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.renderer.rev151103.renderers.renderer.renderer.nodes.RendererNodeBuilder;
55 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.renderer.rev151103.renderers.renderer.renderer.nodes.RendererNodeKey;
56 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.vpp_renderer.rev160425.VppInterfaceAugmentation;
57 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.vpp_renderer.rev160425.VppInterfaceAugmentationBuilder;
58 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.vpp_renderer.rev160425.renderers.renderer.renderer.nodes.renderer.node.PhysicalInterface;
59 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.vpp_renderer.rev160425.renderers.renderer.renderer.nodes.renderer.node.PhysicalInterfaceBuilder;
60 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.vpp_renderer.rev160425.renderers.renderer.renderer.nodes.renderer.node.PhysicalInterfaceKey;
61 import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.node.topology.rev150114.NetconfNode;
62 import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.node.topology.rev150114.NetconfNodeConnectionStatus;
63 import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.node.topology.rev150114.netconf.node.connection.status.available.capabilities.AvailableCapability;
64 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NetworkTopology;
65 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NodeId;
66 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.TopologyId;
67 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.Topology;
68 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.TopologyKey;
69 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
70 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.NodeKey;
71 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
72 import org.slf4j.Logger;
73 import org.slf4j.LoggerFactory;
75 import com.google.common.base.Optional;
76 import com.google.common.base.Preconditions;
77 import com.google.common.base.Splitter;
78 import com.google.common.base.Strings;
79 import com.google.common.collect.Lists;
80 import com.google.common.collect.Sets;
81 import com.google.common.util.concurrent.CheckedFuture;
82 import com.google.common.util.concurrent.FutureCallback;
83 import com.google.common.util.concurrent.Futures;
84 import com.google.common.util.concurrent.ListenableFuture;
86 public class VppNodeManager {
88 private static final short DURATION = 3000;
89 private static final TopologyId TOPOLOGY_ID = new TopologyId("topology-netconf");
90 private static final Logger LOG = LoggerFactory.getLogger(VppNodeManager.class);
91 private static final String V3PO_CAPABILITY = "(urn:opendaylight:params:xml:ns:yang:v3po?revision=2017-06-07)v3po";
92 private static final String INTERFACES_CAPABILITY = "(urn:ietf:params:xml:ns:yang:ietf-interfaces?revision=2014-05-08)ietf-interfaces";
93 private static final NodeId CONTROLLER_CONFIG_NODE = new NodeId("controller-config");
94 private static final String NO_PUBLIC_INT_SPECIFIED = "unspecified";
95 private static final String PUBLIC_INTERFACE = "public-interface";
96 private final Map<NodeId, PhysicalInterfaceKey> extInterfaces = new HashMap<>();
97 private final DataBroker dataBroker;
98 private final List<String> requiredCapabilities;
99 private final MountPointService mountService;
100 private final HostRelatedInfoContainer hostRelatedInfoContainer = HostRelatedInfoContainer.getInstance();
102 public VppNodeManager(@Nonnull final DataBroker dataBroker,
103 @Nonnull final BindingAwareBroker.ProviderContext session, @Nullable String physicalInterfaces) {
104 this.dataBroker = Preconditions.checkNotNull(dataBroker);
105 this.mountService = Preconditions.checkNotNull(session.getSALService(MountPointService.class));
106 requiredCapabilities = initializeRequiredCapabilities();
107 if (!Strings.isNullOrEmpty(physicalInterfaces) && !Objects.equals(physicalInterfaces, NO_PUBLIC_INT_SPECIFIED)) {
108 loadPhysicalInterfaces(physicalInterfaces);
113 * Caches list of physical interfaces.
115 private void loadPhysicalInterfaces(@Nonnull String physicalInterfaces) {
116 for (String intfOnNode : Sets.newConcurrentHashSet(Splitter.on(",").split(physicalInterfaces))) {
117 List<String> entries = Lists.newArrayList(Splitter.on(":").split(intfOnNode));
118 if (entries.size() != 2) {
119 LOG.warn("Cannot resolve {} initial configuration for physical interfaces.", intfOnNode);
122 NodeId nodeId = new NodeId(entries.get(0));
123 PhysicalInterfaceKey infaceKey = new PhysicalInterfaceKey(entries.get(1));
124 LOG.info("Interface %s on node %swill be considered as external", infaceKey, nodeId);
125 extInterfaces.put(nodeId, infaceKey);
130 * Synchronizes nodes to DataStore based on their modification state which results in
131 * create/update/remove of Node.
133 public void syncNodes(final Node dataAfter, final Node dataBefore) {
134 if (isControllerConfigNode(dataAfter, dataBefore)) {
135 LOG.trace("{} is ignored by VPP-renderer", CONTROLLER_CONFIG_NODE);
138 ListenableFuture<String> syncFuture = Futures.immediateFuture(null);
140 if (dataBefore == null && dataAfter != null) {
141 syncFuture = createNode(dataAfter);
143 // Connected/disconnected node
144 else if (dataBefore != null && dataAfter != null) {
145 syncFuture = updateNode(dataAfter);
148 else if (dataBefore != null) {
149 syncFuture = removeNode(dataBefore);
151 Futures.addCallback(syncFuture, new FutureCallback<String>() {
153 public void onSuccess(@Nullable String message) {
154 LOG.info("Node synchronization completed. {} ", message);
158 public void onFailure(@Nonnull Throwable t) {
159 LOG.warn("Node synchronization failed. Data before: {} after {}", dataBefore, dataAfter);
164 private boolean isControllerConfigNode(final Node dataAfter, final Node dataBefore) {
165 if (dataAfter != null) {
166 return CONTROLLER_CONFIG_NODE.equals(dataAfter.getNodeId());
168 return CONTROLLER_CONFIG_NODE.equals(dataBefore.getNodeId());
171 private ListenableFuture<String> createNode(final Node node) {
172 final String nodeId = node.getNodeId().getValue();
173 LOG.info("Registering new node {}", nodeId);
174 final NetconfNode netconfNode = getNodeAugmentation(node);
175 if (netconfNode == null) {
176 final String message = String.format("Node %s is not an netconf node", nodeId);
177 return Futures.immediateFuture(message);
179 final NetconfNodeConnectionStatus.ConnectionStatus connectionStatus = netconfNode.getConnectionStatus();
180 switch (connectionStatus) {
182 final String message = String.format("Connecting device %s ...", nodeId);
183 return Futures.immediateFuture(message);
186 return resolveConnectedNode(node, netconfNode);
188 case UnableToConnect: {
189 final String message = String.format("Connection status is unable to connect for node %s", nodeId);
190 return Futures.immediateFuture(message);
193 final String message = String.format("Unknown connection status for node %s", nodeId);
194 return Futures.immediateFailedFuture(new VppRendererProcessingException(message));
199 private ListenableFuture<String> updateNode(final Node node) {
200 final String nodeId = node.getNodeId().getValue();
201 LOG.info("Updating node {}", nodeId);
202 final NetconfNode netconfNode = getNodeAugmentation(node);
203 if (netconfNode == null) {
204 final String message = String.format("Node %s is not an netconf node", nodeId);
205 return Futures.immediateFuture(message);
207 final NetconfNodeConnectionStatus.ConnectionStatus afterNodeStatus = netconfNode.getConnectionStatus();
208 if (Connected.equals(afterNodeStatus)) {
209 return resolveConnectedNode(node, netconfNode);
210 } else if (Connecting.equals(afterNodeStatus)) {
211 final String cause = String.format("Node %s is disconnected, removing from available nodes", nodeId);
212 return resolveDisconnectedNode(node, cause);
213 } else if (UnableToConnect.equals(afterNodeStatus)) {
214 final String cause = String.format("New node %s status is unable to connect, removing from available nodes",
216 return resolveDisconnectedNode(node, cause);
218 final String cause = String.format("New node status is unknown. Node %s will be removed from available nodes",
220 return resolveDisconnectedNode(node, cause);
224 private ListenableFuture<String> removeNode(final Node node) {
225 final String cause = String.format("Node %s is removed", node.getNodeId().getValue());
226 return resolveDisconnectedNode(node, cause);
229 private ListenableFuture<String> resolveConnectedNode(final Node node, final NetconfNode netconfNode) {
230 final String nodeId = node.getNodeId().getValue();
231 final InstanceIdentifier<Node> mountPointIid = getMountpointIid(node);
232 final RendererNode rendererNode = remapNode(mountPointIid);
233 if (!isCapableNetconfDevice(node, netconfNode)) {
234 final String message = String.format("Node %s is not connected", nodeId);
235 return Futures.immediateFuture(message);
237 final DataBroker mountpoint = getNodeMountPoint(mountPointIid);
238 if (mountpoint == null) {
239 final String message = String.format("Mountpoint not available for node %s", nodeId);
240 return Futures.immediateFuture(message);
242 final WriteTransaction wTx = dataBroker.newWriteOnlyTransaction();
243 wTx.put(LogicalDatastoreType.OPERATIONAL, VppIidFactory.getRendererNodeIid(rendererNode), rendererNode, true);
244 final boolean submit = DataStoreHelper.submitToDs(wTx);
246 final String message = String.format("Node %s is capable and ready", nodeId);
247 syncPhysicalInterfacesInLocalDs(mountpoint, mountPointIid);
248 NatUtil.resolveOutboundNatInterface(mountpoint, mountPointIid, node.getNodeId(), extInterfaces);
249 return Futures.immediateFuture(message);
251 final String message = String.format("Failed to resolve connected node %s", nodeId);
252 return Futures.immediateFuture(message);
256 private ListenableFuture<String> resolveDisconnectedNode(final Node node, final String cause) {
257 final InstanceIdentifier<Node> mountPointIid = getMountpointIid(node);
258 final RendererNode rendererNode = remapNode(mountPointIid);
259 final WriteTransaction wTx = dataBroker.newWriteOnlyTransaction();
260 wTx.delete(LogicalDatastoreType.OPERATIONAL, VppIidFactory.getRendererNodeIid(rendererNode));
261 final CheckedFuture<Void, TransactionCommitFailedException> checkedFuture = wTx.submit();
263 checkedFuture.checkedGet();
264 return Futures.immediateFuture(cause);
265 } catch (TransactionCommitFailedException e) {
266 final String message = String.format("Failed to resolve disconnected node %s", node.getNodeId().getValue());
267 return Futures.immediateFailedFuture(new VppRendererProcessingException(message));
272 private DataBroker getNodeMountPoint(final InstanceIdentifier<Node> mountPointIid) {
273 final Future<Optional<MountPoint>> futureOptionalObject = getMountpointFromSal(mountPointIid);
275 final Optional<MountPoint> optionalObject = futureOptionalObject.get();
276 LOG.debug("Optional mountpoint object: {}", optionalObject);
277 MountPoint mountPoint;
278 if (optionalObject.isPresent()) {
279 mountPoint = optionalObject.get();
280 Optional<DataBroker> optionalDataBroker = mountPoint.getService(DataBroker.class);
281 if (optionalDataBroker.isPresent()) {
282 return optionalDataBroker.get();
284 LOG.warn("Cannot obtain data broker from mountpoint {}", mountPoint);
287 LOG.warn("Cannot obtain mountpoint with IID {}", mountPointIid);
290 } catch (ExecutionException | InterruptedException e) {
291 LOG.warn("Unable to obtain mountpoint ... {}", e);
296 private RendererNode remapNode(final InstanceIdentifier<Node> path) {
297 final RendererNodeBuilder rendererNodeBuilder = new RendererNodeBuilder();
298 rendererNodeBuilder.setKey(new RendererNodeKey(path)).setNodePath(path);
299 return rendererNodeBuilder.build();
302 private InstanceIdentifier<Node> getMountpointIid(final Node node) {
303 return InstanceIdentifier.builder(NetworkTopology.class)
304 .child(Topology.class, new TopologyKey(TOPOLOGY_ID))
305 .child(Node.class, new NodeKey(node.getNodeId()))
309 private boolean isCapableNetconfDevice(final Node node, final NetconfNode netconfAugmentation) {
310 if (netconfAugmentation.getAvailableCapabilities() == null
311 || netconfAugmentation.getAvailableCapabilities().getAvailableCapability() == null
312 || netconfAugmentation.getAvailableCapabilities().getAvailableCapability().isEmpty()) {
313 LOG.warn("Node {} does not contain any capabilities", node.getNodeId().getValue());
316 if (!capabilityCheck(netconfAugmentation.getAvailableCapabilities().getAvailableCapability())) {
317 LOG.warn("Node {} does not contain all capabilities required by vpp-renderer", node.getNodeId().getValue());
323 private boolean capabilityCheck(final List<AvailableCapability> capabilities) {
324 final List<String> availableCapabilities = capabilities.stream()
325 .map(AvailableCapability::getCapability)
326 .collect(Collectors.toList());
327 return requiredCapabilities.stream()
328 .allMatch(availableCapabilities::contains);
331 private NetconfNode getNodeAugmentation(final Node node) {
332 final NetconfNode netconfNode = node.getAugmentation(NetconfNode.class);
333 if (netconfNode == null) {
334 LOG.warn("Node {} is not a netconf device", node.getNodeId().getValue());
341 * Initialize all common capabilities required by VPP renderer. Any connected node is examined
343 * an appropriate device to handle configuration created by this renderer. A device must support
347 * @return list of string representations of required capabilities
349 private List<String> initializeRequiredCapabilities() {
350 // Required device capabilities
351 String[] capabilityEntries = {V3PO_CAPABILITY, INTERFACES_CAPABILITY};
352 return Arrays.asList(capabilityEntries);
356 // This works as a workaround for mountpoint registration in cluster. If application is registered on different
357 // node as netconf service, it obtains mountpoint registered by SlaveSalFacade (instead of MasterSalFacade). However
358 // this service registers mountpoint a moment later then connectionStatus is set to "Connected". If NodeManager hits
359 // state where device is connected but mountpoint is not yet available, try to get it again in a while
360 private Future<Optional<MountPoint>> getMountpointFromSal(final InstanceIdentifier<Node> iid) {
361 final ExecutorService executorService = Executors.newSingleThreadExecutor();
362 final Callable<Optional<MountPoint>> task = () -> {
366 final Optional<MountPoint> optionalMountpoint = mountService.getMountPoint(iid);
367 if (optionalMountpoint.isPresent()) {
368 return optionalMountpoint;
370 LOG.warn("Mountpoint {} is not registered yet", iid);
371 Thread.sleep(DURATION);
372 } catch (InterruptedException e) {
373 LOG.warn("Thread interrupted to ", e);
376 } while (attempt <= 3);
377 return Optional.absent();
379 return executorService.submit(task);
382 private void syncPhysicalInterfacesInLocalDs(DataBroker mountPointDataBroker, InstanceIdentifier<Node> nodeIid) {
383 ReadWriteTransaction rwTx = dataBroker.newReadWriteTransaction();
384 ReadOnlyTransaction rTx = mountPointDataBroker.newReadOnlyTransaction();
385 Optional<Interfaces> readIfaces = DataStoreHelper.readFromDs(LogicalDatastoreType.CONFIGURATION,
386 InstanceIdentifier.create(Interfaces.class), rTx);
387 if (readIfaces.isPresent()) {
388 InstanceIdentifier<RendererNode> rendererNodeIid = VppIidFactory.getRendererNodesIid()
390 .child(RendererNode.class, new RendererNodeKey(nodeIid))
392 Optional<RendererNode> optRendNode = DataStoreHelper.readFromDs(LogicalDatastoreType.OPERATIONAL,
393 rendererNodeIid, rwTx);
394 NodeId nodeId = nodeIid.firstKeyOf(Node.class).getNodeId();
395 RendererNode rendNode = new RendererNodeBuilder(optRendNode.get())
396 .addAugmentation(VppInterfaceAugmentation.class, resolveTerminationPoints(nodeId, readIfaces.get()))
398 rwTx.put(LogicalDatastoreType.OPERATIONAL, VppIidFactory.getRendererNodeIid(optRendNode.get()), rendNode,
402 DataStoreHelper.submitToDs(rwTx);
405 private VppInterfaceAugmentation resolveTerminationPoints(NodeId nodeId, Interfaces interfaces) {
406 List<PhysicalInterface> phIfaces = new ArrayList<>();
407 if (interfaces != null && interfaces.getInterface() != null) {
408 interfaces.getInterface()
410 .filter(iface -> iface.getType().equals(EthernetCsmacd.class))
411 .filter(iface -> iface.getAugmentation(Interface1.class) != null)
413 PhysicalInterfaceBuilder phIface = new PhysicalInterfaceBuilder();
414 phIface.setInterfaceName(iface.getName());
415 phIface.setType(iface.getType());
416 phIface.setAddress(resolveIpAddress(iface.getAugmentation(Interface1.class)));
417 PhysicalInterfaces physicalInterfaces = hostRelatedInfoContainer
418 .getPhysicalInterfaceState(nodeId.getValue());
419 if (physicalInterfaces == null) {
420 physicalInterfaces = new PhysicalInterfaces();
421 hostRelatedInfoContainer.setPhysicalInterfaceStateOfHost(nodeId.getValue(), physicalInterfaces);
425 if (extInterfaces.get(nodeId) != null
426 && extInterfaces.get(nodeId).getInterfaceName().equals(phIface.getInterfaceName())) {
427 phIface.setExternal(true);
428 extInterfaces.put(nodeId, new PhysicalInterfaceKey(iface.getName()));
430 .addPhysicalInterfaceInfo(PhysicalInterfaces.PhysicalInterfaceType.PUBLIC,
431 phIface.getInterfaceName(), phIface.getAddress().get(0));
432 LOG.info("Interface {} is marked as public interface based on bundle configuration.",
435 if (PUBLIC_INTERFACE.equals(iface.getDescription())) {
436 phIface.setExternal(true);
437 extInterfaces.put(nodeId, new PhysicalInterfaceKey(iface.getName()));
439 .addPhysicalInterfaceInfo(PhysicalInterfaces.PhysicalInterfaceType.PUBLIC,
440 phIface.getInterfaceName(), phIface.getAddress().get(0));
441 LOG.info("Interface {} is marked as public interface based on HC configuration.",
444 phIfaces.add(phIface.build());
447 return new VppInterfaceAugmentationBuilder().setPhysicalInterface(phIfaces).build();
450 private List<IpAddress> resolveIpAddress(Interface1 iface) {
451 if (iface.getIpv4() != null && iface.getIpv4().getAddress() != null) {
452 return iface.getIpv4().getAddress().stream().map(ipv4 ->
453 new IpAddress(new Ipv4Address(ipv4.getIp().getValue()))).collect(Collectors.toList());
454 } else if (iface.getIpv6() != null && iface.getIpv6().getAddress() != null) {
455 return iface.getIpv6().getAddress().stream().map(ipv6 ->
456 new IpAddress(new Ipv4Address(ipv6.getIp().getValue()))).collect(Collectors.toList());
458 return Lists.newArrayList();
461 public static Map<NodeId, String> resolvePublicInterfaces(ReadTransaction rTx) {
462 Map<NodeId, String> nodes = new HashMap<>();
463 Optional<RendererNodes> rendNodes =
464 DataStoreHelper.readFromDs(LogicalDatastoreType.OPERATIONAL, VppIidFactory.getRendererNodesIid(), rTx);
465 if (!rendNodes.isPresent()) {
471 .filter(rn -> rn.getAugmentation(VppInterfaceAugmentation.class) != null)
472 .filter(rn -> rn.getAugmentation(VppInterfaceAugmentation.class).getPhysicalInterface() != null)
474 java.util.Optional<PhysicalInterface> pubInt = rn.getAugmentation(VppInterfaceAugmentation.class)
475 .getPhysicalInterface()
477 .filter(phInt -> phInt.isExternal())
479 if (pubInt.isPresent()) {
480 nodes.put(rn.getNodePath().firstKeyOf(Node.class).getNodeId(), pubInt.get().getInterfaceName());