southbound/southbound-impl/src/main/java/org/opendaylight/ovsdb/southbound/transactions/md/OvsdbBridgeUpdateCommand.java

   1 /*
   2  * Copyright (c) 2015 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.ovsdb.southbound.transactions.md;
  10
  11 import static org.opendaylight.ovsdb.southbound.SouthboundUtil.schemaMismatchLog;
  12
  13 import com.google.common.base.Optional;
  14 import com.google.common.base.Preconditions;
  15 import com.google.common.net.InetAddresses;
  16 import java.net.InetAddress;
  17 import java.net.NetworkInterface;
  18 import java.net.SocketException;
  19 import java.util.ArrayList;
  20 import java.util.Enumeration;
  21 import java.util.List;
  22 import java.util.Map;
  23 import java.util.Map.Entry;
  24 import java.util.Set;
  25 import org.apache.commons.lang3.math.NumberUtils;
  26 import org.opendaylight.controller.md.sal.binding.api.ReadWriteTransaction;
  27 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  28 import org.opendaylight.ovsdb.lib.error.SchemaVersionMismatchException;
  29 import org.opendaylight.ovsdb.lib.message.TableUpdates;
  30 import org.opendaylight.ovsdb.lib.notation.UUID;
  31 import org.opendaylight.ovsdb.lib.schema.DatabaseSchema;
  32 import org.opendaylight.ovsdb.lib.schema.typed.TyperUtils;
  33 import org.opendaylight.ovsdb.schema.openvswitch.Bridge;
  34 import org.opendaylight.ovsdb.schema.openvswitch.Controller;
  35 import org.opendaylight.ovsdb.southbound.InstanceIdentifierCodec;
  36 import org.opendaylight.ovsdb.southbound.OvsdbConnectionInstance;
  37 import org.opendaylight.ovsdb.southbound.SouthboundConstants;
  38 import org.opendaylight.ovsdb.southbound.SouthboundMapper;
  39 import org.opendaylight.ovsdb.southbound.SouthboundUtil;
  40 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.IpAddress;
  41 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.Uuid;
  42 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.DatapathId;
  43 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbBridgeAugmentation;
  44 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbBridgeAugmentationBuilder;
  45 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbBridgeName;
  46 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbBridgeProtocolBase;
  47 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbBridgeRef;
  48 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbNodeAugmentation;
  49 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbNodeAugmentationBuilder;
  50 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbNodeRef;
  51 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.bridge.attributes.BridgeExternalIds;
  52 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.bridge.attributes.BridgeExternalIdsBuilder;
  53 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.bridge.attributes.BridgeExternalIdsKey;
  54 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.bridge.attributes.BridgeOtherConfigs;
  55 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.bridge.attributes.BridgeOtherConfigsBuilder;
  56 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.bridge.attributes.BridgeOtherConfigsKey;
  57 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.bridge.attributes.ControllerEntry;
  58 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.bridge.attributes.ProtocolEntry;
  59 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.bridge.attributes.ProtocolEntryKey;
  60 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.node.attributes.ManagedNodeEntry;
  61 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.node.attributes.ManagedNodeEntryBuilder;
  62 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NodeId;
  63 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
  64 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.NodeBuilder;
  65 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.NodeKey;
  66 import org.opendaylight.yangtools.yang.binding.DataObject;
  67 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  68 import org.slf4j.Logger;
  69 import org.slf4j.LoggerFactory;
  70
  71 public class OvsdbBridgeUpdateCommand extends AbstractTransactionCommand {
  72     private static final Logger LOG = LoggerFactory.getLogger(OvsdbBridgeUpdateCommand.class);
  73     private final InstanceIdentifierCodec instanceIdentifierCodec;
  74     private final Map<UUID,Bridge> updatedBridgeRows;
  75     private final Map<UUID, Bridge> oldBridgeRows;
  76
  77     public OvsdbBridgeUpdateCommand(InstanceIdentifierCodec instanceIdentifierCodec, OvsdbConnectionInstance key,
  78             TableUpdates updates, DatabaseSchema dbSchema) {
  79         super(key,updates,dbSchema);
  80         this.instanceIdentifierCodec = instanceIdentifierCodec;
  81         updatedBridgeRows = TyperUtils.extractRowsUpdated(Bridge.class, getUpdates(), getDbSchema());
  82         oldBridgeRows = TyperUtils.extractRowsOld(Bridge.class, getUpdates(), getDbSchema());
  83     }
  84
  85     @Override
  86     public void execute(ReadWriteTransaction transaction) {
  87         if (updatedBridgeRows == null || updatedBridgeRows.isEmpty()) {
  88             return;
  89         }
  90
  91         final InstanceIdentifier<Node> connectionIId = getOvsdbConnectionInstance().getInstanceIdentifier();
  92         Optional<Node> connection = SouthboundUtil.readNode(transaction, connectionIId);
  93         if (!connection.isPresent()) {
  94             return;
  95         }
  96
  97         for (Entry<UUID, Bridge> entry : updatedBridgeRows.entrySet()) {
  98             updateBridge(transaction, entry.getValue(), connectionIId);
  99         }
 100     }
 101
 102     private void updateBridge(ReadWriteTransaction transaction,
 103             Bridge bridge, InstanceIdentifier<Node> connectionIId) {
 104         // Update the connection node to let it know it manages this bridge
 105         Node connectionNode = buildConnectionNode(bridge);
 106         transaction.merge(LogicalDatastoreType.OPERATIONAL, connectionIId, connectionNode);
 107
 108         // Update the bridge node with whatever data we are getting
 109         InstanceIdentifier<Node> bridgeIid = getInstanceIdentifier(bridge);
 110         Node bridgeNode = buildBridgeNode(bridge);
 111         transaction.merge(LogicalDatastoreType.OPERATIONAL, bridgeIid, bridgeNode);
 112         deleteEntries(transaction, protocolEntriesToRemove(bridgeIid,bridge));
 113         deleteEntries(transaction, externalIdsToRemove(bridgeIid,bridge));
 114         deleteEntries(transaction, bridgeOtherConfigsToRemove(bridgeIid,bridge));
 115     }
 116
 117     private <T extends DataObject> void deleteEntries(ReadWriteTransaction transaction,
 118             List<InstanceIdentifier<T>> entryIids) {
 119         for (InstanceIdentifier<T> entryIid: entryIids) {
 120             transaction.delete(LogicalDatastoreType.OPERATIONAL, entryIid);
 121         }
 122     }
 123
 124     private List<InstanceIdentifier<BridgeOtherConfigs>> bridgeOtherConfigsToRemove(
 125             InstanceIdentifier<Node> bridgeIid, Bridge bridge) {
 126         Preconditions.checkNotNull(bridgeIid);
 127         Preconditions.checkNotNull(bridge);
 128         List<InstanceIdentifier<BridgeOtherConfigs>> result = new ArrayList<>();
 129
 130         Bridge oldBridge = oldBridgeRows.get(bridge.getUuid());
 131
 132         if (oldBridge != null && oldBridge.getOtherConfigColumn() != null) {
 133             for (Entry<String, String> otherConfig:
 134                 oldBridge.getOtherConfigColumn().getData().entrySet()) {
 135                 if (bridge.getOtherConfigColumn() == null
 136                         || !bridge.getOtherConfigColumn().getData().containsKey(otherConfig.getKey())) {
 137                     InstanceIdentifier<BridgeOtherConfigs> iid = bridgeIid
 138                             .augmentation(OvsdbBridgeAugmentation.class)
 139                             .child(BridgeOtherConfigs.class,
 140                                     new BridgeOtherConfigsKey(otherConfig.getKey()));
 141                     result.add(iid);
 142                 }
 143             }
 144         }
 145         return result;
 146     }
 147
 148     private List<InstanceIdentifier<BridgeExternalIds>> externalIdsToRemove(
 149             InstanceIdentifier<Node> bridgeIid, Bridge bridge) {
 150         Preconditions.checkNotNull(bridgeIid);
 151         Preconditions.checkNotNull(bridge);
 152         List<InstanceIdentifier<BridgeExternalIds>> result = new ArrayList<>();
 153
 154         Bridge oldBridge = oldBridgeRows.get(bridge.getUuid());
 155
 156         if (oldBridge != null && oldBridge.getExternalIdsColumn() != null) {
 157             for (Entry<String, String> externalId:
 158                 oldBridge.getExternalIdsColumn().getData().entrySet()) {
 159                 if (bridge.getExternalIdsColumn() == null
 160                         || !bridge.getExternalIdsColumn().getData().containsKey(externalId.getKey())) {
 161                     InstanceIdentifier<BridgeExternalIds> iid = bridgeIid
 162                             .augmentation(OvsdbBridgeAugmentation.class)
 163                             .child(BridgeExternalIds.class,
 164                                     new BridgeExternalIdsKey(externalId.getKey()));
 165                     result.add(iid);
 166                 }
 167             }
 168         }
 169         return result;
 170     }
 171
 172     private List<InstanceIdentifier<ProtocolEntry>> protocolEntriesToRemove(
 173             InstanceIdentifier<Node> bridgeIid, Bridge bridge) {
 174         Preconditions.checkNotNull(bridgeIid);
 175         Preconditions.checkNotNull(bridge);
 176         List<InstanceIdentifier<ProtocolEntry>> result = new ArrayList<>();
 177         Bridge oldBridge = oldBridgeRows.get(bridge.getUuid());
 178
 179         try {
 180             if (oldBridge != null && oldBridge.getProtocolsColumn() != null) {
 181                 for (String protocol : oldBridge.getProtocolsColumn().getData()) {
 182                     if (bridge.getProtocolsColumn() == null || !bridge.getProtocolsColumn().getData()
 183                                 .contains(protocol)) {
 184                         Class<? extends OvsdbBridgeProtocolBase> proto = SouthboundConstants.OVSDB_PROTOCOL_MAP
 185                                 .inverse().get(protocol);
 186                         InstanceIdentifier<ProtocolEntry> iid = bridgeIid
 187                                 .augmentation(OvsdbBridgeAugmentation.class)
 188                                 .child(ProtocolEntry.class,
 189                                         new ProtocolEntryKey(proto));
 190                         result.add(iid);
 191                     }
 192                 }
 193             }
 194         } catch (SchemaVersionMismatchException e) {
 195             schemaMismatchLog("protocols", "Bridge", e);
 196         }
 197         return result;
 198     }
 199
 200     private Node buildConnectionNode(
 201             Bridge bridge) {
 202         //Update node with managed node reference
 203         NodeBuilder connectionNode = new NodeBuilder();
 204         connectionNode.setNodeId(getOvsdbConnectionInstance().getNodeId());
 205
 206         OvsdbNodeAugmentationBuilder ovsdbConnectionAugmentationBuilder = new OvsdbNodeAugmentationBuilder();
 207         List<ManagedNodeEntry> managedBridges = new ArrayList<>();
 208         InstanceIdentifier<Node> bridgeIid =
 209                 SouthboundMapper.createInstanceIdentifier(instanceIdentifierCodec, getOvsdbConnectionInstance(),
 210                         bridge);
 211         ManagedNodeEntry managedBridge = new ManagedNodeEntryBuilder().setBridgeRef(
 212                 new OvsdbBridgeRef(bridgeIid)).build();
 213         managedBridges.add(managedBridge);
 214         ovsdbConnectionAugmentationBuilder.setManagedNodeEntry(managedBridges);
 215
 216         connectionNode.addAugmentation(OvsdbNodeAugmentation.class, ovsdbConnectionAugmentationBuilder.build());
 217
 218         LOG.debug("Update node with bridge node ref {}",
 219                 ovsdbConnectionAugmentationBuilder.getManagedNodeEntry().iterator().next());
 220         return connectionNode.build();
 221     }
 222
 223     private Node buildBridgeNode(Bridge bridge) {
 224         NodeBuilder bridgeNodeBuilder = new NodeBuilder();
 225         NodeId bridgeNodeId = getNodeId(bridge);
 226         bridgeNodeBuilder.setNodeId(bridgeNodeId);
 227         OvsdbBridgeAugmentationBuilder ovsdbBridgeAugmentationBuilder = new OvsdbBridgeAugmentationBuilder();
 228         ovsdbBridgeAugmentationBuilder.setBridgeName(new OvsdbBridgeName(bridge.getName()));
 229         ovsdbBridgeAugmentationBuilder.setBridgeUuid(new Uuid(bridge.getUuid().toString()));
 230         setDataPath(ovsdbBridgeAugmentationBuilder, bridge);
 231         setDataPathType(ovsdbBridgeAugmentationBuilder, bridge);
 232         setProtocol(ovsdbBridgeAugmentationBuilder, bridge);
 233         setExternalIds(ovsdbBridgeAugmentationBuilder, bridge);
 234         setOtherConfig(ovsdbBridgeAugmentationBuilder, bridge);
 235         setFailMode(ovsdbBridgeAugmentationBuilder, bridge);
 236         setOpenFlowNodeRef(ovsdbBridgeAugmentationBuilder, bridge);
 237         setManagedBy(ovsdbBridgeAugmentationBuilder);
 238         setAutoAttach(ovsdbBridgeAugmentationBuilder, bridge);
 239         setStpEnalbe(ovsdbBridgeAugmentationBuilder,bridge);
 240         bridgeNodeBuilder.addAugmentation(OvsdbBridgeAugmentation.class, ovsdbBridgeAugmentationBuilder.build());
 241
 242         LOG.debug("Built with the intent to store bridge data {}",
 243                 ovsdbBridgeAugmentationBuilder.build());
 244         return bridgeNodeBuilder.build();
 245     }
 246
 247     private void setAutoAttach(OvsdbBridgeAugmentationBuilder ovsdbBridgeAugmentationBuilder,
 248             Bridge bridge) {
 249         try {
 250             if (bridge.getAutoAttachColumn() != null
 251                     && bridge.getAutoAttachColumn().getData() != null
 252                     && !bridge.getAutoAttachColumn().getData().isEmpty()) {
 253                 Set<UUID> uuids = bridge.getAutoAttachColumn().getData();
 254                 for (UUID uuid : uuids) {
 255                     ovsdbBridgeAugmentationBuilder.setAutoAttach(new Uuid(uuid.toString()));
 256                 }
 257             }
 258         } catch (SchemaVersionMismatchException e) {
 259             schemaMismatchLog("auto_attach", "Bridge", e);
 260         }
 261     }
 262
 263     private void setManagedBy(OvsdbBridgeAugmentationBuilder ovsdbBridgeAugmentationBuilder) {
 264         InstanceIdentifier<Node> connectionNodePath = getOvsdbConnectionInstance().getInstanceIdentifier();
 265         ovsdbBridgeAugmentationBuilder.setManagedBy(new OvsdbNodeRef(connectionNodePath));
 266     }
 267
 268     private void setDataPathType(OvsdbBridgeAugmentationBuilder ovsdbBridgeAugmentationBuilder,
 269             Bridge bridge) {
 270         ovsdbBridgeAugmentationBuilder.setDatapathType(
 271                 SouthboundMapper.createDatapathType(bridge.getDatapathTypeColumn().getData()));
 272     }
 273
 274     private void setFailMode(OvsdbBridgeAugmentationBuilder ovsdbBridgeAugmentationBuilder,
 275             Bridge bridge) {
 276         if (bridge.getFailModeColumn() != null
 277                 && bridge.getFailModeColumn().getData() != null
 278                 && !bridge.getFailModeColumn().getData().isEmpty()) {
 279             String[] failmodeArray = new String[bridge.getFailModeColumn().getData().size()];
 280             bridge.getFailModeColumn().getData().toArray(failmodeArray);
 281             ovsdbBridgeAugmentationBuilder.setFailMode(
 282                     SouthboundConstants.OVSDB_FAIL_MODE_MAP.inverse().get(failmodeArray[0]));
 283         }
 284     }
 285
 286     private void setOtherConfig(OvsdbBridgeAugmentationBuilder ovsdbBridgeAugmentationBuilder,
 287             Bridge bridge) {
 288         Map<String, String> otherConfigs = bridge
 289                 .getOtherConfigColumn().getData();
 290         if (otherConfigs != null && !otherConfigs.isEmpty()) {
 291             List<BridgeOtherConfigs> otherConfigList = new ArrayList<>();
 292             for (Entry<String, String> entry : otherConfigs.entrySet()) {
 293                 String otherConfigKey = entry.getKey();
 294                 String otherConfigValue = entry.getValue();
 295                 if (otherConfigKey != null && otherConfigValue != null) {
 296                     otherConfigList.add(new BridgeOtherConfigsBuilder()
 297                             .setBridgeOtherConfigKey(otherConfigKey)
 298                             .setBridgeOtherConfigValue(otherConfigValue)
 299                             .build());
 300                 }
 301             }
 302             ovsdbBridgeAugmentationBuilder.setBridgeOtherConfigs(otherConfigList);
 303         }
 304     }
 305
 306     private void setExternalIds(OvsdbBridgeAugmentationBuilder ovsdbBridgeAugmentationBuilder,
 307             Bridge bridge) {
 308         Map<String, String> externalIds = bridge.getExternalIdsColumn()
 309                 .getData();
 310         if (externalIds != null && !externalIds.isEmpty()) {
 311             List<BridgeExternalIds> externalIdsList = new ArrayList<>();
 312             for (Entry<String, String> entry : externalIds.entrySet()) {
 313                 String externalIdKey = entry.getKey();
 314                 String externalIdValue = entry.getValue();
 315                 if (externalIdKey != null && externalIdValue != null) {
 316                     externalIdsList.add(new BridgeExternalIdsBuilder()
 317                             .setBridgeExternalIdKey(externalIdKey)
 318                             .setBridgeExternalIdValue(externalIdValue)
 319                             .build());
 320                 }
 321             }
 322             ovsdbBridgeAugmentationBuilder.setBridgeExternalIds(externalIdsList);
 323         }
 324     }
 325
 326     private void setProtocol(OvsdbBridgeAugmentationBuilder ovsdbBridgeAugmentationBuilder,
 327             Bridge bridge) {
 328         final List<ProtocolEntry> protocols = SouthboundMapper.createMdsalProtocols(bridge);
 329         if (!protocols.isEmpty()) {
 330             ovsdbBridgeAugmentationBuilder.setProtocolEntry(protocols);
 331         }
 332     }
 333
 334     private void setDataPath(OvsdbBridgeAugmentationBuilder ovsdbBridgeAugmentationBuilder,
 335             Bridge bridge) {
 336         DatapathId dpid = SouthboundMapper.createDatapathId(bridge);
 337         if (dpid != null) {
 338             ovsdbBridgeAugmentationBuilder.setDatapathId(dpid);
 339         }
 340     }
 341
 342     private void setStpEnalbe(OvsdbBridgeAugmentationBuilder ovsdbBridgeAugmentationBuilder,
 343                               Bridge bridge) {
 344         if (bridge.getStpEnableColumn() != null) {
 345             Boolean stpEnable = bridge.getStpEnableColumn().getData();
 346             if (stpEnable != null) {
 347                 ovsdbBridgeAugmentationBuilder.setStpEnable(stpEnable);
 348             }
 349         }
 350     }
 351
 352     private void setOpenFlowNodeRef(OvsdbBridgeAugmentationBuilder ovsdbBridgeAugmentationBuilder,
 353             Bridge bridge) {
 354         Map<UUID, Controller> updatedControllerRows =
 355                 TyperUtils.extractRowsUpdated(Controller.class, getUpdates(), getDbSchema());
 356         LOG.debug("setOpenFlowNodeRef: updatedControllerRows: {}", updatedControllerRows);
 357         for (ControllerEntry controllerEntry: SouthboundMapper.createControllerEntries(bridge, updatedControllerRows)) {
 358             if (controllerEntry != null
 359                 && controllerEntry.isIsConnected() != null && controllerEntry.isIsConnected()) {
 360                 String [] controllerTarget = controllerEntry.getTarget().getValue().split(":");
 361                 IpAddress bridgeControllerIpAddress = null;
 362                 for (String targetElement : controllerTarget) {
 363                     if (InetAddresses.isInetAddress(targetElement)) {
 364                         bridgeControllerIpAddress = new IpAddress(targetElement.toCharArray());
 365                         continue;
 366                     }
 367                     if (NumberUtils.isNumber(targetElement)) {
 368                         continue;
 369                     }
 370                 }
 371                 try {
 372                     Enumeration<NetworkInterface> networkInterfaces = NetworkInterface.getNetworkInterfaces();
 373                 networkInterfacesLoop:
 374                     while (networkInterfaces.hasMoreElements()) {
 375                         NetworkInterface networkInterface = networkInterfaces.nextElement();
 376                         Enumeration<InetAddress> networkInterfaceAddresses = networkInterface.getInetAddresses();
 377                         while (networkInterfaceAddresses.hasMoreElements()) {
 378                             InetAddress networkInterfaceAddress = networkInterfaceAddresses.nextElement();
 379                             if (bridgeControllerIpAddress.getIpv4Address().getValue()
 380                                     .equals(networkInterfaceAddress.getHostAddress())) {
 381                                 ovsdbBridgeAugmentationBuilder.setBridgeOpenflowNodeRef(
 382                                         getOvsdbConnectionInstance().getInstanceIdentifier());
 383                                 break networkInterfacesLoop;
 384                             }
 385                         }
 386                     }
 387                 } catch (SocketException e) {
 388                     LOG.warn("Error getting local ip address", e);
 389                 }
 390             }
 391         }
 392     }
 393
 394     private InstanceIdentifier<Node> getInstanceIdentifier(Bridge bridge) {
 395         return SouthboundMapper.createInstanceIdentifier(instanceIdentifierCodec, getOvsdbConnectionInstance(),
 396                 bridge);
 397     }
 398
 399     private NodeId getNodeId(Bridge bridge) {
 400         NodeKey nodeKey = getInstanceIdentifier(bridge).firstKeyOf(Node.class);
 401         return nodeKey.getNodeId();
 402     }
 403 }