openstack/net-virt/src/main/java/org/opendaylight/ovsdb/openstack/netvirt/MdsalUtils.java

   1 /*
   2  * Copyright (c) 2015 Red Hat, 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 package org.opendaylight.ovsdb.openstack.netvirt;
   9
  10 import com.google.common.base.Optional;
  11 import com.google.common.collect.ImmutableBiMap;
  12 import com.google.common.util.concurrent.CheckedFuture;
  13
  14 import java.math.BigInteger;
  15 import java.security.InvalidParameterException;
  16 import java.util.ArrayList;
  17 import java.util.List;
  18 import java.util.Map;
  19
  20 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  21 import org.opendaylight.controller.md.sal.binding.api.ReadOnlyTransaction;
  22 import org.opendaylight.controller.md.sal.binding.api.WriteTransaction;
  23 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  24 import org.opendaylight.controller.md.sal.common.api.data.ReadFailedException;
  25 import org.opendaylight.controller.md.sal.common.api.data.TransactionCommitFailedException;
  26 import org.opendaylight.ovsdb.openstack.netvirt.api.OvsdbTables;
  27 import org.opendaylight.ovsdb.southbound.SouthboundConstants;
  28 import org.opendaylight.ovsdb.southbound.SouthboundMapper;
  29 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Uri;
  30 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.Uuid;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.InterfaceTypeInternal;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbBridgeAugmentation;
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbBridgeAugmentationBuilder;
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbBridgeName;
  35 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbBridgeProtocolBase;
  36 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbNodeAugmentation;
  37 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbNodeRef;
  38 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbTerminationPointAugmentation;
  39 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbTerminationPointAugmentationBuilder;
  40 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.bridge.attributes.ControllerEntry;
  41 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.bridge.attributes.ControllerEntryBuilder;
  42 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.bridge.attributes.ProtocolEntry;
  43 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.bridge.attributes.ProtocolEntryBuilder;
  44 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.node.attributes.ConnectionInfo;
  45 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.node.attributes.OpenvswitchExternalIds;
  46 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.port._interface.attributes.InterfaceExternalIds;
  47 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.port._interface.attributes.Options;
  48 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.port._interface.attributes.OptionsBuilder;
  49 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.port._interface.attributes.OptionsKey;
  50 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NetworkTopology;
  51 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NodeId;
  52 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.Topology;
  53 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.TopologyKey;
  54 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
  55 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.NodeBuilder;
  56 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.node.TerminationPoint;
  57 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.node.TerminationPointBuilder;
  58 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  59 import org.slf4j.Logger;
  60 import org.slf4j.LoggerFactory;
  61
  62 /**
  63  * Utility class to wrap mdsal transactions.
  64  *
  65  * @author Sam Hague (shague@redhat.com)
  66  */
  67 public class MdsalUtils {
  68     private static final Logger LOG = LoggerFactory.getLogger(MdsalUtils.class);
  69     private static DataBroker databroker = null;
  70     private static final int OVSDB_UPDATE_TIMEOUT = 500;
  71
  72     /**
  73      * Class constructor setting the data broker.
  74      *
  75      * @param dataBroker the {@link org.opendaylight.controller.md.sal.binding.api.DataBroker}
  76      */
  77     public MdsalUtils(DataBroker dataBroker) {
  78         this.databroker = dataBroker;
  79     }
  80
  81     /**
  82      * Executes delete as a blocking transaction.
  83      *
  84      * @param store {@link LogicalDatastoreType} which should be modified
  85      * @param path {@link InstanceIdentifier} to read from
  86      * @param <D> the data object type
  87      * @return the result of the request
  88      */
  89     public static <D extends org.opendaylight.yangtools.yang.binding.DataObject> boolean delete(
  90             final LogicalDatastoreType store, final InstanceIdentifier<D> path)  {
  91         boolean result = false;
  92         final WriteTransaction transaction = databroker.newWriteOnlyTransaction();
  93         transaction.delete(store, path);
  94         CheckedFuture<Void, TransactionCommitFailedException> future = transaction.submit();
  95         try {
  96             future.checkedGet();
  97             result = true;
  98         } catch (TransactionCommitFailedException e) {
  99             LOG.warn("Failed to delete {} ", path, e);
 100         }
 101         return result;
 102     }
 103
 104     /**
 105      * Executes merge as a blocking transaction.
 106      *
 107      * @param logicalDatastoreType {@link LogicalDatastoreType} which should be modified
 108      * @param path {@link InstanceIdentifier} for path to read
 109      * @param <D> the data object type
 110      * @return the result of the request
 111      */
 112     public static <D extends org.opendaylight.yangtools.yang.binding.DataObject> boolean merge(
 113             final LogicalDatastoreType logicalDatastoreType, final InstanceIdentifier<D> path, D data)  {
 114         boolean result = false;
 115         final WriteTransaction transaction = databroker.newWriteOnlyTransaction();
 116         transaction.merge(logicalDatastoreType, path, data, true);
 117         CheckedFuture<Void, TransactionCommitFailedException> future = transaction.submit();
 118         try {
 119             future.checkedGet();
 120             result = true;
 121         } catch (TransactionCommitFailedException e) {
 122             LOG.warn("Failed to merge {} ", path, e);
 123         }
 124         return result;
 125     }
 126
 127     /**
 128      * Executes put as a blocking transaction.
 129      *
 130      * @param logicalDatastoreType {@link LogicalDatastoreType} which should be modified
 131      * @param path {@link InstanceIdentifier} for path to read
 132      * @param <D> the data object type
 133      * @return the result of the request
 134      */
 135     public static <D extends org.opendaylight.yangtools.yang.binding.DataObject> boolean put(
 136             final LogicalDatastoreType logicalDatastoreType, final InstanceIdentifier<D> path, D data)  {
 137         boolean result = false;
 138         final WriteTransaction transaction = databroker.newWriteOnlyTransaction();
 139         transaction.put(logicalDatastoreType, path, data, true);
 140         CheckedFuture<Void, TransactionCommitFailedException> future = transaction.submit();
 141         try {
 142             future.checkedGet();
 143             result = true;
 144         } catch (TransactionCommitFailedException e) {
 145             LOG.warn("Failed to put {} ", path, e);
 146         }
 147         return result;
 148     }
 149
 150     /**
 151      * Executes read as a blocking transaction.
 152      *
 153      * @param store {@link LogicalDatastoreType} to read
 154      * @param path {@link InstanceIdentifier} for path to read
 155      * @param <D> the data object type
 156      * @return the result as the data object requested
 157      */
 158     public static <D extends org.opendaylight.yangtools.yang.binding.DataObject> D read(
 159             final LogicalDatastoreType store, final InstanceIdentifier<D> path)  {
 160         D result = null;
 161         final ReadOnlyTransaction transaction = databroker.newReadOnlyTransaction();
 162         Optional<D> optionalDataObject;
 163         CheckedFuture<Optional<D>, ReadFailedException> future = transaction.read(store, path);
 164         try {
 165             optionalDataObject = future.checkedGet();
 166             if (optionalDataObject.isPresent()) {
 167                 result = optionalDataObject.get();
 168             } else {
 169                 LOG.debug("{}: Failed to read {}",
 170                         Thread.currentThread().getStackTrace()[1], path);
 171             }
 172         } catch (ReadFailedException e) {
 173             LOG.warn("Failed to read {} ", path, e);
 174         }
 175         transaction.close();
 176         return result;
 177     }
 178
 179     public static ConnectionInfo getConnectionInfo(Node node) {
 180         ConnectionInfo connectionInfo = null;
 181         OvsdbNodeAugmentation ovsdbNodeAugmentation = node.getAugmentation(OvsdbNodeAugmentation.class);
 182         if (ovsdbNodeAugmentation != null) {
 183             connectionInfo = ovsdbNodeAugmentation.getConnectionInfo();
 184         }
 185         return connectionInfo;
 186     }
 187
 188     public static String getOvsdbNodeUUID(Node node) {
 189         String nodeUUID = null;
 190         OvsdbNodeAugmentation ovsdbNodeAugmentation = node.getAugmentation(OvsdbNodeAugmentation.class);
 191         if (ovsdbNodeAugmentation != null) {
 192             // TODO replace with proper uuid and not the system-id
 193             nodeUUID = getOsdbNodeExternalIdsValue(ovsdbNodeAugmentation, "system-id");
 194         }
 195         return nodeUUID;
 196     }
 197
 198     public static String getOsdbNodeExternalIdsValue(OvsdbNodeAugmentation ovsdbNodeAugmentation, String key) {
 199         String value = null;
 200         List<OpenvswitchExternalIds> pairs = ovsdbNodeAugmentation.getOpenvswitchExternalIds();
 201         for (OpenvswitchExternalIds pair : pairs) {
 202             if (pair.getKey().equals(key)) {
 203                 value = pair.getExternalIdValue();
 204             }
 205         }
 206         return value;
 207     }
 208
 209     public static boolean addBridge(Node ovsdbNode, String bridgeName, String target)
 210             throws InterruptedException, InvalidParameterException {
 211         boolean result = false;
 212
 213         LOG.info("Add Bridge: node: {}, bridgeName: {}, target: {}", ovsdbNode, bridgeName, target);
 214         ConnectionInfo connectionInfo = getConnectionInfo(ovsdbNode);
 215         if (connectionInfo != null) {
 216             NodeBuilder bridgeNodeBuilder = new NodeBuilder();
 217             InstanceIdentifier<Node> bridgeIid =
 218                     SouthboundMapper.createInstanceIdentifier(connectionInfo, new OvsdbBridgeName(bridgeName));
 219             NodeId bridgeNodeId = SouthboundMapper.createManagedNodeId(bridgeIid);
 220             bridgeNodeBuilder.setNodeId(bridgeNodeId);
 221             OvsdbBridgeAugmentationBuilder ovsdbBridgeAugmentationBuilder = new OvsdbBridgeAugmentationBuilder();
 222             ovsdbBridgeAugmentationBuilder.setControllerEntry(createControllerEntries(target));
 223             ovsdbBridgeAugmentationBuilder.setBridgeName(new OvsdbBridgeName(bridgeName));
 224             ovsdbBridgeAugmentationBuilder.setProtocolEntry(createMdsalProtocols());
 225             ovsdbBridgeAugmentationBuilder.setFailMode(
 226                     SouthboundConstants.OVSDB_FAIL_MODE_MAP.inverse().get("secure"));
 227             setManagedByForBridge(ovsdbBridgeAugmentationBuilder, connectionInfo);
 228             bridgeNodeBuilder.addAugmentation(OvsdbBridgeAugmentation.class, ovsdbBridgeAugmentationBuilder.build());
 229
 230             result = put(LogicalDatastoreType.CONFIGURATION, bridgeIid, bridgeNodeBuilder.build());
 231             LOG.info("addBridge: result: {}", result);
 232         } else {
 233             throw new InvalidParameterException("Could not find ConnectionInfo");
 234         }
 235         return result;
 236     }
 237
 238     public static boolean deleteBridge(Node ovsdbNode) {
 239         boolean result = false;
 240         InstanceIdentifier<Node> bridgeIid =
 241                 SouthboundMapper.createInstanceIdentifier(ovsdbNode.getNodeId());
 242
 243         result = delete(LogicalDatastoreType.CONFIGURATION, bridgeIid);
 244         LOG.info("Delete bridge node: {}, bridgeName: {} result : {}", ovsdbNode, ovsdbNode.getNodeId(),result);
 245         return result;
 246     }
 247
 248     public static OvsdbBridgeAugmentation readBridge(Node node, String name) {
 249         OvsdbBridgeAugmentation ovsdbBridgeAugmentation = null;
 250         ConnectionInfo connectionInfo = getConnectionInfo(node);
 251         if (connectionInfo != null) {
 252             InstanceIdentifier<Node> bridgeIid =
 253                     SouthboundMapper.createInstanceIdentifier(connectionInfo,
 254                             new OvsdbBridgeName(name));
 255             Node bridgeNode = read(LogicalDatastoreType.OPERATIONAL, bridgeIid);
 256             if (bridgeNode != null) {
 257                 ovsdbBridgeAugmentation = bridgeNode.getAugmentation(OvsdbBridgeAugmentation.class);
 258             }
 259         }
 260         return ovsdbBridgeAugmentation;
 261     }
 262
 263     public static Uuid getBridgeUuid(Node node, String name) {
 264         Uuid uuid = null;
 265         OvsdbBridgeAugmentation ovsdbBridgeAugmentation = readBridge(node, name);
 266         if (ovsdbBridgeAugmentation != null) {
 267             uuid = ovsdbBridgeAugmentation.getBridgeUuid();
 268         }
 269         return uuid;
 270     }
 271
 272     private static void setManagedByForBridge(OvsdbBridgeAugmentationBuilder ovsdbBridgeAugmentationBuilder,
 273                                      ConnectionInfo connectionInfo) {
 274         InstanceIdentifier<Node> connectionNodePath = SouthboundMapper.createInstanceIdentifier(connectionInfo);
 275         ovsdbBridgeAugmentationBuilder.setManagedBy(new OvsdbNodeRef(connectionNodePath));
 276     }
 277
 278     private static void setControllerForBridge(Node ovsdbNode, String bridgeName, String targetString) {
 279         ConnectionInfo connectionInfo = getConnectionInfo(ovsdbNode);
 280         if (connectionInfo != null) {
 281             for (ControllerEntry controllerEntry: createControllerEntries(targetString)) {
 282                 InstanceIdentifier<ControllerEntry> iid =
 283                         SouthboundMapper.createInstanceIdentifier(connectionInfo, new OvsdbBridgeName(bridgeName))
 284                                 .augmentation(OvsdbBridgeAugmentation.class)
 285                                 .child(ControllerEntry.class, controllerEntry.getKey());
 286
 287                 boolean result = put(LogicalDatastoreType.CONFIGURATION, iid, controllerEntry);
 288                 LOG.info("addController: result: {}", result);
 289             }
 290         }
 291     }
 292
 293     private static List<ControllerEntry> createControllerEntries(String targetString) {
 294         List<ControllerEntry> controllerEntries = new ArrayList<ControllerEntry>();
 295         ControllerEntryBuilder controllerEntryBuilder = new ControllerEntryBuilder();
 296         controllerEntryBuilder.setTarget(new Uri(targetString));
 297         controllerEntries.add(controllerEntryBuilder.build());
 298         return controllerEntries;
 299     }
 300
 301     private static List<ProtocolEntry> createMdsalProtocols() {
 302         List<ProtocolEntry> protocolList = new ArrayList<ProtocolEntry>();
 303         ImmutableBiMap<String, Class<? extends OvsdbBridgeProtocolBase>> mapper =
 304                 SouthboundConstants.OVSDB_PROTOCOL_MAP.inverse();
 305         protocolList.add(new ProtocolEntryBuilder().
 306                 setProtocol((Class<? extends OvsdbBridgeProtocolBase>) mapper.get("OpenFlow13")).build());
 307         return protocolList;
 308     }
 309
 310     public static long getDataPathId(Node node) {
 311         long dpid = 0L;
 312         String datapathId = getDatapathId(node);
 313         if (datapathId != null) {
 314             dpid = new BigInteger(datapathId.replaceAll(":", ""), 16).longValue();
 315         }
 316         return dpid;
 317     }
 318
 319     public static String getDatapathId(Node node) {
 320         String datapathId = null;
 321         OvsdbBridgeAugmentation ovsdbBridgeAugmentation = node.getAugmentation(OvsdbBridgeAugmentation.class);
 322         if (ovsdbBridgeAugmentation != null && ovsdbBridgeAugmentation.getDatapathId() != null) {
 323             datapathId = node.getAugmentation(OvsdbBridgeAugmentation.class).getDatapathId().getValue();
 324         }
 325         return datapathId;
 326     }
 327
 328     public static String getDatapathId(OvsdbBridgeAugmentation ovsdbBridgeAugmentation) {
 329         String datapathId = null;
 330         if (ovsdbBridgeAugmentation != null && ovsdbBridgeAugmentation.getDatapathId() != null) {
 331             datapathId = ovsdbBridgeAugmentation.getDatapathId().getValue();
 332         }
 333         return datapathId;
 334     }
 335
 336     public static OvsdbBridgeAugmentation getBridge(Node node, String name) {
 337         OvsdbBridgeAugmentation bridge = node.getAugmentation(OvsdbBridgeAugmentation.class);
 338         if (bridge != null) {
 339             if (!bridge.getBridgeName().equals(name)) {
 340                 bridge = null;
 341             }
 342         }
 343         return bridge;
 344     }
 345
 346     public static String extractBridgeName(Node node) {
 347         return (node.getAugmentation(OvsdbBridgeAugmentation.class).getBridgeName().getValue());
 348     }
 349
 350     public static OvsdbBridgeAugmentation extractBridgeAugmentation(Node node) {
 351         return node.getAugmentation(OvsdbBridgeAugmentation.class);
 352     }
 353
 354     public static List<Node> getAllBridgesOnOvsdbNode(Node node) {
 355         return null;
 356     }
 357
 358     /**
 359      * Method read ports from bridge node. Method will check if the provided node
 360      * has the ports details, if not, it will read from Operational data store.
 361      * @param node
 362      * @return
 363      */
 364     public static List<OvsdbTerminationPointAugmentation> getTerminationPointsOfBridge(Node node) {
 365         List<OvsdbTerminationPointAugmentation> tpAugmentations = extractTerminationPointAugmentations( node);
 366         if(tpAugmentations.isEmpty()){
 367             tpAugmentations = readTerminationPointAugmentationFromDataStore(node);
 368         }
 369         return tpAugmentations;
 370     }
 371
 372     public static OvsdbTerminationPointAugmentation extractTerminationPointAugmentation(Node bridgeNode, String portName) {
 373         OvsdbBridgeAugmentation ovsdbBridgeAugmentation = bridgeNode.getAugmentation(OvsdbBridgeAugmentation.class);
 374         if (ovsdbBridgeAugmentation != null) {
 375             List<TerminationPoint> terminationPoints = bridgeNode.getTerminationPoint();
 376             for(TerminationPoint terminationPoint : terminationPoints) {
 377                 OvsdbTerminationPointAugmentation ovsdbTerminationPointAugmentation =
 378                         terminationPoint.getAugmentation( OvsdbTerminationPointAugmentation.class);
 379                 if (ovsdbTerminationPointAugmentation != null
 380                         && ovsdbTerminationPointAugmentation.getName().equals(portName)) {
 381                     return ovsdbTerminationPointAugmentation;
 382                 }
 383             }
 384         }
 385         return null;
 386     }
 387
 388     public static List<TerminationPoint> extractTerminationPoints(Node node) {
 389         List<TerminationPoint> terminationPoints = new ArrayList<TerminationPoint>();
 390         OvsdbBridgeAugmentation ovsdbBridgeAugmentation = node.getAugmentation(OvsdbBridgeAugmentation.class);
 391         if (ovsdbBridgeAugmentation != null) {
 392             terminationPoints.addAll(node.getTerminationPoint());
 393         }
 394         return terminationPoints;
 395     }
 396
 397     public static List<OvsdbTerminationPointAugmentation> extractTerminationPointAugmentations( Node node ) {
 398         List<OvsdbTerminationPointAugmentation> tpAugmentations = new ArrayList<OvsdbTerminationPointAugmentation>();
 399         List<TerminationPoint> terminationPoints = node.getTerminationPoint();
 400         if(terminationPoints != null && !terminationPoints.isEmpty()){
 401             for(TerminationPoint tp : terminationPoints){
 402                 tpAugmentations.add(tp.getAugmentation(OvsdbTerminationPointAugmentation.class));
 403             }
 404         }
 405         return tpAugmentations;
 406     }
 407
 408     public static List<OvsdbTerminationPointAugmentation> readTerminationPointAugmentationFromDataStore( Node node ) {
 409         InstanceIdentifier<Node> bridgeNodeIid = SouthboundMapper.createInstanceIdentifier(node.getNodeId());
 410         Node operNode = read(LogicalDatastoreType.OPERATIONAL, bridgeNodeIid);
 411         if(operNode != null){
 412             return extractTerminationPointAugmentations(operNode);
 413         }
 414         return new ArrayList<OvsdbTerminationPointAugmentation>();
 415     }
 416
 417     public static String getInterfaceExternalIdsValue(
 418             OvsdbTerminationPointAugmentation terminationPointAugmentation,String key) {
 419         String value = null;
 420         List<InterfaceExternalIds> pairs = terminationPointAugmentation.getInterfaceExternalIds();
 421         if (pairs != null) {
 422             for (InterfaceExternalIds pair : pairs) {
 423                 if (pair.getKey().equals(key)) {
 424                     value = pair.getExternalIdValue();
 425                 }
 426             }
 427         }
 428         return value;
 429     }
 430
 431     public static Boolean addTerminationPoint(Node bridgeNode, String bridgeName, String portName) {
 432         InstanceIdentifier<TerminationPoint> tpIid =
 433                 MdsalHelper.createTerminationPointInstanceIdentifier(bridgeNode, portName);
 434         OvsdbTerminationPointAugmentationBuilder tpAugmentationBuilder =
 435                 new OvsdbTerminationPointAugmentationBuilder();
 436
 437         tpAugmentationBuilder.setName(portName);
 438         tpAugmentationBuilder.setInterfaceType(InterfaceTypeInternal.class);
 439         TerminationPointBuilder tpBuilder = new TerminationPointBuilder();
 440         tpBuilder.addAugmentation(OvsdbTerminationPointAugmentation.class, tpAugmentationBuilder.build());
 441         return put(LogicalDatastoreType.CONFIGURATION,tpIid,tpBuilder.build());
 442     }
 443
 444     public static Boolean deleteTerminationPoint(Node bridgeNode, String portName) {
 445         InstanceIdentifier<TerminationPoint> tpIid =
 446                 MdsalHelper.createTerminationPointInstanceIdentifier(bridgeNode, portName);
 447         return delete(LogicalDatastoreType.CONFIGURATION,tpIid);
 448     }
 449
 450     public static Boolean addTunnelTerminationPoint(Node bridgeNode, String bridgeName, String portName, String type,
 451                                         Map<String, String> options) {
 452         InstanceIdentifier<TerminationPoint> tpIid =
 453                 MdsalHelper.createTerminationPointInstanceIdentifier(bridgeNode, portName);
 454         OvsdbTerminationPointAugmentationBuilder tpAugmentationBuilder =
 455                 new OvsdbTerminationPointAugmentationBuilder();
 456
 457         tpAugmentationBuilder.setName(portName);
 458         tpAugmentationBuilder.setInterfaceType(MdsalHelper.OVSDB_INTERFACE_TYPE_MAP.get(type));
 459
 460         List<Options> optionsList = new ArrayList<Options>();
 461         for(Map.Entry<String,String> entry : options.entrySet()){
 462             OptionsBuilder optionsBuilder = new OptionsBuilder();
 463             optionsBuilder.setKey(new OptionsKey(entry.getKey()));
 464             optionsBuilder.setOption(entry.getKey());
 465             optionsBuilder.setValue(entry.getValue());
 466             optionsList.add(optionsBuilder.build());
 467         }
 468         tpAugmentationBuilder.setOptions(optionsList);
 469
 470         TerminationPointBuilder tpBuilder = new TerminationPointBuilder();
 471         tpBuilder.addAugmentation(OvsdbTerminationPointAugmentation.class, tpAugmentationBuilder.build());
 472         return put(LogicalDatastoreType.CONFIGURATION,tpIid,tpBuilder.build());
 473     }
 474
 475     public static Boolean addPatchTerminationPoint(Node node, String bridgeName, String portName, String peerPortName) {
 476         return false;
 477     }
 478
 479     public static String getExternalId(Node node, OvsdbTables table, String key) {
 480         return null;
 481     }
 482
 483     public static String getOtherConfig(Node node, OvsdbTables table, String key) {
 484         return null;
 485     }
 486
 487     public static boolean addVlanToTp(long vlan) {
 488         return false;
 489     }
 490
 491     public static boolean isTunnel(OvsdbTerminationPointAugmentation port) {
 492         return SouthboundMapper.createOvsdbInterfaceType(
 493                 port.getInterfaceType()).equals(NetworkHandler.NETWORK_TYPE_VXLAN)
 494                 || SouthboundMapper.createOvsdbInterfaceType(
 495                 port.getInterfaceType()).equals(NetworkHandler.NETWORK_TYPE_GRE);
 496     }
 497
 498     public static String getOptionsValue(List<Options> options, String key) {
 499         String value = null;
 500         for (Options option : options) {
 501             if (option.getKey().equals(key)) {
 502                 value = option.getValue();
 503             }
 504         }
 505         return value;
 506     }
 507
 508     private static Topology getOvsdbTopology() {
 509         InstanceIdentifier<Topology> path = InstanceIdentifier
 510                 .create(NetworkTopology.class)
 511                 .child(Topology.class, new TopologyKey(SouthboundConstants.OVSDB_TOPOLOGY_ID));
 512
 513         Topology topology = read(LogicalDatastoreType.OPERATIONAL, path);
 514         return topology;
 515     }
 516
 517 }