elanmanager/impl/src/main/java/org/opendaylight/netvirt/elan/cli/l2gw/L2GwValidateCli.java

   1 /*
   2  * Copyright (c) 2017 Ericsson India Global Services Pvt Ltd. 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.netvirt.elan.cli.l2gw;
  10
  11 import static java.util.Collections.emptyList;
  12 import static org.opendaylight.netvirt.elan.utils.ElanUtils.requireNonNullElse;
  13
  14 import com.google.common.base.Function;
  15 import com.google.common.base.Optional;
  16 import com.google.common.collect.Sets;
  17 import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
  18 import java.io.File;
  19 import java.io.FileOutputStream;
  20 import java.io.PrintWriter;
  21 import java.util.ArrayList;
  22 import java.util.Collections;
  23 import java.util.HashMap;
  24 import java.util.List;
  25 import java.util.Map;
  26 import java.util.Map.Entry;
  27 import java.util.Set;
  28 import java.util.stream.Collectors;
  29 import javax.annotation.Nullable;
  30 import org.apache.karaf.shell.commands.Command;
  31 import org.apache.karaf.shell.console.OsgiCommandSupport;
  32 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  33 import org.opendaylight.controller.md.sal.binding.api.ReadOnlyTransaction;
  34 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  35 import org.opendaylight.controller.md.sal.common.api.data.ReadFailedException;
  36 import org.opendaylight.genius.utils.hwvtep.HwvtepNodeHACache;
  37 import org.opendaylight.genius.utils.hwvtep.HwvtepSouthboundUtils;
  38 import org.opendaylight.netvirt.elan.l2gw.ha.HwvtepHAUtil;
  39 import org.opendaylight.netvirt.elan.l2gw.ha.commands.LogicalSwitchesCmd;
  40 import org.opendaylight.netvirt.elan.l2gw.ha.commands.MergeCommand;
  41 import org.opendaylight.netvirt.elan.l2gw.ha.commands.RemoteMcastCmd;
  42 import org.opendaylight.netvirt.elan.l2gw.ha.commands.RemoteUcastCmd;
  43 import org.opendaylight.netvirt.elan.l2gw.ha.commands.TerminationPointCmd;
  44 import org.opendaylight.netvirt.elan.l2gw.utils.L2GatewayConnectionUtils;
  45 import org.opendaylight.netvirt.elan.utils.ElanConstants;
  46 import org.opendaylight.netvirt.elanmanager.utils.ElanL2GwCacheUtils;
  47 import org.opendaylight.netvirt.neutronvpn.api.l2gw.L2GatewayCache;
  48 import org.opendaylight.netvirt.neutronvpn.api.l2gw.L2GatewayDevice;
  49 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Uri;
  50 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.MacAddress;
  51 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.Uuid;
  52 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.ElanInstances;
  53 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.elan.instances.ElanInstance;
  54 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.l2gateways.rev150712.l2gateway.attributes.Devices;
  55 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.l2gateways.rev150712.l2gateway.connections.attributes.l2gatewayconnections.L2gatewayConnection;
  56 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.l2gateways.rev150712.l2gateways.attributes.l2gateways.L2gateway;
  57 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.HwvtepGlobalAugmentation;
  58 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.HwvtepLogicalSwitchRef;
  59 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.HwvtepNodeName;
  60 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.HwvtepPhysicalPortAugmentation;
  61 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.PhysicalSwitchAugmentation;
  62 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.hwvtep.global.attributes.LogicalSwitches;
  63 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.hwvtep.global.attributes.RemoteMcastMacs;
  64 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.hwvtep.global.attributes.RemoteMcastMacsBuilder;
  65 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.hwvtep.physical.port.attributes.VlanBindings;
  66 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NodeId;
  67 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.TpId;
  68 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.Topology;
  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.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.node.TerminationPoint;
  72 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.node.TerminationPointKey;
  73 import org.opendaylight.yangtools.yang.binding.DataObject;
  74 import org.opendaylight.yangtools.yang.binding.Identifier;
  75 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  76 import org.slf4j.Logger;
  77 import org.slf4j.LoggerFactory;
  78
  79 @Command(scope = "l2gw", name = "validate", description = "Validates the hwvtep nodes data")
  80 public class L2GwValidateCli extends OsgiCommandSupport {
  81
  82     private static final Logger LOG = LoggerFactory.getLogger(L2GwValidateCli.class);
  83
  84     private final MergeCommand[] globalCommands = new MergeCommand[]{new LogicalSwitchesCmd(), new RemoteUcastCmd(),
  85         new RemoteMcastCmd()};
  86     private final MergeCommand[] physicalSwitchCommands = new MergeCommand[]{new TerminationPointCmd()};
  87
  88     private final Map<InstanceIdentifier<Node>, Node> operationalNodes = new HashMap<>();
  89     private final Map<InstanceIdentifier<Node>, Node> configNodes = new HashMap<>();
  90     private final Map<String, ElanInstance> elanInstanceMap = new HashMap<>();
  91     private final Map<Uuid, L2gateway> uuidToL2Gateway = new HashMap<>();
  92     private final InstanceIdentifier<Topology> topoIid = HwvtepSouthboundUtils.createHwvtepTopologyInstanceIdentifier();
  93     private final Map<InstanceIdentifier<Node>, Map<InstanceIdentifier, DataObject>> operationalNodesData =
  94             new HashMap<>();
  95     private final Map<InstanceIdentifier<Node>, Map<InstanceIdentifier, DataObject>> configNodesData =
  96             new HashMap<>();
  97
  98     private final DataBroker dataBroker;
  99     private final L2GatewayCache l2GatewayCache;
 100     private final HwvtepNodeHACache hwvtepNodeHACache;
 101
 102     private List<L2gateway> l2gateways;
 103     private List<L2gatewayConnection> l2gatewayConnections;
 104
 105     private PrintWriter pw;
 106
 107     public L2GwValidateCli(DataBroker dataBroker, L2GatewayCache l2GatewayCache,
 108             HwvtepNodeHACache hwvtepNodeHACache) {
 109         this.dataBroker = dataBroker;
 110         this.l2GatewayCache = l2GatewayCache;
 111         this.hwvtepNodeHACache = hwvtepNodeHACache;
 112     }
 113
 114     @Override
 115     @SuppressFBWarnings("DM_DEFAULT_ENCODING")
 116     @Nullable
 117     public Object doExecute() throws Exception {
 118         try {
 119             pw = new PrintWriter(new FileOutputStream(new File("l2gw.validation.txt")));
 120             readNodes();
 121             verifyHANodes();
 122             verifyConfigVsOperationalDiff();
 123             verifyL2GatewayConnections();
 124             pw.close();
 125         } catch (ReadFailedException e) {
 126             session.getConsole().println("Failed with error " + e.getMessage());
 127             LOG.error("Failed with error ", e);
 128         }
 129         return null;
 130     }
 131
 132     private void readNodes() throws ReadFailedException {
 133         try (ReadOnlyTransaction tx = dataBroker.newReadOnlyTransaction()) {
 134             InstanceIdentifier<Topology> topoId = HwvtepSouthboundUtils.createHwvtepTopologyInstanceIdentifier();
 135
 136             Optional<Topology> operationalTopoOptional = tx.read(LogicalDatastoreType.OPERATIONAL, topoId).checkedGet();
 137             Optional<Topology> configTopoOptional = tx.read(LogicalDatastoreType.CONFIGURATION, topoId).checkedGet();
 138
 139             if (operationalTopoOptional.isPresent()) {
 140                 for (Node node : requireNonNullElse(operationalTopoOptional.get().getNode(),
 141                         Collections.<Node>emptyList())) {
 142                     InstanceIdentifier<Node> nodeIid = topoId.child(Node.class, node.key());
 143                     operationalNodes.put(nodeIid, node);
 144                 }
 145             }
 146             if (configTopoOptional.isPresent()) {
 147                 for (Node node : requireNonNullElse(configTopoOptional.get().getNode(),
 148                         Collections.<Node>emptyList())) {
 149                     InstanceIdentifier<Node> nodeIid = topoId.child(Node.class, node.key());
 150                     configNodes.put(nodeIid, node);
 151                 }
 152             }
 153
 154             fillNodesData(operationalNodes, operationalNodesData);
 155             fillNodesData(configNodes, configNodesData);
 156
 157             Optional<ElanInstances> elanInstancesOptional = tx.read(LogicalDatastoreType.CONFIGURATION,
 158                     InstanceIdentifier.builder(ElanInstances.class).build()).checkedGet();
 159
 160             if (elanInstancesOptional.isPresent() && elanInstancesOptional.get().getElanInstance() != null) {
 161                 for (ElanInstance elanInstance : elanInstancesOptional.get().getElanInstance()) {
 162                     elanInstanceMap.put(elanInstance.getElanInstanceName(), elanInstance);
 163                 }
 164             }
 165             l2gatewayConnections = L2GatewayConnectionUtils.getAllL2gatewayConnections(dataBroker);
 166             l2gateways = L2GatewayConnectionUtils.getL2gatewayList(dataBroker);
 167             for (L2gateway l2gateway : l2gateways) {
 168                 uuidToL2Gateway.put(l2gateway.getUuid(), l2gateway);
 169             }
 170         }
 171     }
 172
 173     private boolean isPresent(Map<InstanceIdentifier<Node>, Map<InstanceIdentifier, DataObject>> dataMap,
 174                               InstanceIdentifier<Node> nodeIid, InstanceIdentifier dataIid) {
 175         if (dataMap.containsKey(nodeIid)) {
 176             return dataMap.get(nodeIid).containsKey(dataIid);
 177         }
 178         return false;
 179     }
 180
 181     @Nullable
 182     private DataObject getData(Map<InstanceIdentifier<Node>, Map<InstanceIdentifier, DataObject>> dataMap,
 183                                InstanceIdentifier<Node> nodeIid, InstanceIdentifier dataIid) {
 184         if (dataMap.containsKey(nodeIid)) {
 185             return dataMap.get(nodeIid).get(dataIid);
 186         }
 187         return null;
 188     }
 189
 190     private void fillNodesData(Map<InstanceIdentifier<Node>, Node> nodes,
 191                                Map<InstanceIdentifier<Node>, Map<InstanceIdentifier, DataObject>> dataMap) {
 192
 193         for (Map.Entry<InstanceIdentifier<Node>, Node> entry : nodes.entrySet()) {
 194             InstanceIdentifier<Node> nodeId = entry.getKey();
 195             Node node = entry.getValue();
 196             Map<InstanceIdentifier, DataObject> map = new HashMap<>();
 197             dataMap.put(nodeId, map);
 198             if (node.augmentation(HwvtepGlobalAugmentation.class) != null) {
 199                 for (MergeCommand command : globalCommands) {
 200                     List<DataObject> data = command.getData(node.augmentation(HwvtepGlobalAugmentation.class));
 201                     if (data != null) {
 202                         for (DataObject dataObject : data) {
 203                             map.put(command.generateId(nodeId, dataObject), dataObject);
 204                         }
 205                     }
 206                 }
 207             } else {
 208                 for (MergeCommand command : physicalSwitchCommands) {
 209                     List<DataObject> data = command.getData(node);
 210                     if (data != null) {
 211                         for (DataObject dataObject : data) {
 212                             map.put(command.generateId(nodeId, dataObject), dataObject);
 213                         }
 214                     }
 215                 }
 216             }
 217         }
 218     }
 219
 220     /**
 221      * Checks the diff between config and operational topology nodes and prints it to the file if any.
 222      * This will tell what is present in the controller config and not in the device
 223      */
 224     private void verifyConfigVsOperationalDiff() {
 225         for (Node cfgNode : configNodes.values()) {
 226             InstanceIdentifier<Node> nodeId = topoIid.child(Node.class, cfgNode.key());
 227             compareNodes(cfgNode, operationalNodes.get(nodeId), false, LogicalDatastoreType.CONFIGURATION);
 228         }
 229     }
 230
 231     /**
 232      * Checks the diff between HA parent and child nodes.
 233      * Whatever config data in parent should be present in child nodes
 234      * Whatever operational data in child should be present in parent node
 235      */
 236     private void verifyHANodes() {
 237         pw.println("Verifying HA nodes");
 238         boolean parentChildComparison = true;
 239         Set<InstanceIdentifier<Node>> parentNodes = hwvtepNodeHACache.getHAParentNodes();
 240         if (HwvtepHAUtil.isEmpty(parentNodes)) {
 241             return;
 242         }
 243         for (InstanceIdentifier<Node> parentNodeIid : parentNodes) {
 244             String parentNodeId = parentNodeIid.firstKeyOf(Node.class).getNodeId().getValue();
 245             Node parentOpNode = operationalNodes.get(parentNodeIid);
 246             Node parentCfgNode = configNodes.get(parentNodeIid);
 247             Set<InstanceIdentifier<Node>> childNodeIids = hwvtepNodeHACache.getChildrenForHANode(parentNodeIid);
 248             if (HwvtepHAUtil.isEmpty(childNodeIids)) {
 249                 pw.println("No child nodes could be found for parent node " + parentNodeId);
 250                 continue;
 251             }
 252             for (InstanceIdentifier<Node> childNodeIid : childNodeIids) {
 253                 String childNodeId = childNodeIid.firstKeyOf(Node.class).getNodeId().getValue();
 254                 if (parentOpNode != null) {
 255                     compareNodes(parentOpNode, operationalNodes.get(childNodeIid), parentChildComparison,
 256                             LogicalDatastoreType.OPERATIONAL);
 257                 } else {
 258                     pw.println("Missing parent operational node for id " + parentNodeId);
 259                 }
 260                 if (parentCfgNode != null) {
 261                     if (configNodes.get(childNodeIid) == null) {
 262                         if (containsLogicalSwitch(parentCfgNode)) {
 263                             pw.println("Missing child config data " + childNodeId);
 264                         }
 265                     } else {
 266                         compareNodes(parentCfgNode, configNodes.get(childNodeIid), parentChildComparison,
 267                                 LogicalDatastoreType.CONFIGURATION);
 268                     }
 269                 } else {
 270                     pw.println("Missing parent config node for id " + parentNodeId);
 271                 }
 272             }
 273         }
 274     }
 275
 276     private boolean containsLogicalSwitch(Node node) {
 277         if (node == null || node.augmentation(HwvtepGlobalAugmentation.class) == null
 278                 || HwvtepHAUtil.isEmptyList(
 279                 node.augmentation(HwvtepGlobalAugmentation.class).getLogicalSwitches())) {
 280             return false;
 281         }
 282         return true;
 283     }
 284
 285     private boolean compareNodes(Node node1, Node node2, boolean parentChildComparison,
 286                                  LogicalDatastoreType datastoreType) {
 287
 288         if (node1 == null || node2 == null) {
 289             return false;
 290         }
 291         InstanceIdentifier<Node> nodeIid1 = HwvtepSouthboundUtils.createInstanceIdentifier(node1.getNodeId());
 292         InstanceIdentifier<Node> nodeIid2 = HwvtepSouthboundUtils.createInstanceIdentifier(node2.getNodeId());
 293
 294         NodeId nodeId1 = nodeIid1.firstKeyOf(Node.class).getNodeId();
 295         NodeId nodeId2 = nodeIid2.firstKeyOf(Node.class).getNodeId();
 296
 297         PhysicalSwitchAugmentation psAug1 = node1.augmentation(PhysicalSwitchAugmentation.class);
 298         PhysicalSwitchAugmentation psAug2 = node2.augmentation(PhysicalSwitchAugmentation.class);
 299
 300         HwvtepGlobalAugmentation aug1 = node1.augmentation(HwvtepGlobalAugmentation.class);
 301         HwvtepGlobalAugmentation aug2 = node2.augmentation(HwvtepGlobalAugmentation.class);
 302
 303         boolean globalNodes = psAug1 == null && psAug2 == null ? true : false;
 304         MergeCommand[] commands = globalNodes ? globalCommands : physicalSwitchCommands;
 305
 306         for (MergeCommand cmd : commands) {
 307
 308             List<DataObject> data1 = null;
 309             List<DataObject> data2 = null;
 310
 311             if (globalNodes) {
 312                 data1 = cmd.getData(aug1);
 313                 data2 = cmd.getData(aug2);
 314             } else {
 315                 data1 = cmd.getData(node1);
 316                 data2 = cmd.getData(node2);
 317             }
 318             data1 = data1 == null ? Collections.EMPTY_LIST : data1;
 319             data2 = data2 == null ? Collections.EMPTY_LIST : data2;
 320
 321             if (parentChildComparison) {
 322                 data2 = cmd.transform(nodeIid1, data2);
 323             }
 324             Function<DataObject, DataObject> withoutUuidTransformer = cmd::withoutUuid;
 325             data1 = data1.stream().map(withoutUuidTransformer).collect(Collectors.toList());
 326             data2 = data2.stream().map(withoutUuidTransformer).collect(Collectors.toList());
 327
 328             Map<Identifier<?>, DataObject> map1 = new HashMap<>();
 329             Map<Identifier<?>, DataObject> map2 = new HashMap<>();
 330             for (DataObject dataObject : data1) {
 331                 map1.put(cmd.getKey(dataObject), dataObject);
 332             }
 333             for (DataObject dataObject : data2) {
 334                 map2.put(cmd.getKey(dataObject), dataObject);
 335             }
 336             Set<DataObject> diff = Sets.newHashSet();
 337
 338             for (Entry<Identifier<?>, DataObject> entry : map1.entrySet()) {
 339                 DataObject obj1 = entry.getValue();
 340                 DataObject obj2 = map2.get(entry.getKey());
 341                 if (obj2 == null || !cmd.areEqual(obj1, obj2)) {
 342                     diff.add(obj1);
 343                 }
 344             }
 345
 346             if (!diff.isEmpty()) {
 347                 if (parentChildComparison) {
 348                     pw.println("Missing " + cmd.getDescription() + " child entries in " + datastoreType
 349                             + " parent node " + nodeId1 + " contain " + " more entries than child "
 350                             + nodeId2 + " " + diff.size());
 351                 } else {
 352                     pw.println("Missing " + cmd.getDescription() + " op entries config "
 353                             + nodeId1 + " contain " + " more entries than operational node " + diff.size());
 354                 }
 355                 if (diff.size() < 10) {
 356                     for (Object obj : diff) {
 357                         pw.println(cmd.getKey((DataObject) obj));
 358                     }
 359                 }
 360             }
 361
 362             diff = Sets.newHashSet();
 363             for (Entry<Identifier<?>, DataObject> entry : map2.entrySet()) {
 364                 DataObject obj1 = entry.getValue();
 365                 DataObject obj2 = map1.get(entry.getKey());
 366                 if (globalNodes || parentChildComparison) {
 367                     if (obj2 == null || !cmd.areEqual(obj1, obj2)) {
 368                         diff.add(obj1);
 369                     }
 370                 }
 371             }
 372             if (!diff.isEmpty()) {
 373                 if (parentChildComparison) {
 374                     pw.println("Extra " + cmd.getDescription() + " child entries in " + datastoreType + " node "
 375                             + nodeId2 + " contain " + " more entries than parent node " + nodeId1 + " " + diff.size());
 376                 } else {
 377                     pw.println("Extra " + cmd.getDescription() + " operational node "
 378                             + nodeId2 + " contain " + " more entries than config node " + diff.size());
 379                 }
 380                 if (diff.size() < 10) {
 381                     for (Object obj : diff) {
 382                         pw.println(cmd.getKey((DataObject) obj));
 383                     }
 384                 }
 385             }
 386         }
 387         return true;
 388     }
 389
 390     private void verifyL2GatewayConnections() {
 391         boolean isValid = true;
 392         for (L2gatewayConnection l2gatewayConnection : l2gatewayConnections) {
 393
 394             L2gateway l2gateway = uuidToL2Gateway.get(l2gatewayConnection.getL2gatewayId());
 395             String logicalSwitchName = l2gatewayConnection.getNetworkId().getValue();
 396             List<Devices> devices = requireNonNullElse(l2gateway.getDevices(), emptyList());
 397
 398             for (Devices device : devices) {
 399
 400                 L2GatewayDevice l2GatewayDevice = l2GatewayCache.get(device.getDeviceName());
 401                 isValid = verifyL2GatewayDevice(l2gateway, device, l2GatewayDevice);
 402                 if (!isValid) {
 403                     continue;
 404                 }
 405                 NodeId nodeId = new NodeId(l2GatewayDevice.getHwvtepNodeId());
 406                 InstanceIdentifier<Node> nodeIid = topoIid.child(Node.class, new NodeKey(nodeId));
 407
 408                 isValid = verfiyLogicalSwitch(logicalSwitchName, nodeIid);
 409                 if (isValid) {
 410                     isValid = verifyMcastMac(logicalSwitchName, nodeIid);
 411                     verifyVlanBindings(nodeIid, logicalSwitchName, device, l2gatewayConnection.getSegmentId());
 412                     L2GatewayDevice elanL2gatewayDevice = ElanL2GwCacheUtils
 413                             .getL2GatewayDeviceFromCache(logicalSwitchName, nodeId.getValue());
 414                     if (elanL2gatewayDevice == null) {
 415                         pw.println("Failed elan l2gateway device not found for network " + logicalSwitchName
 416                                 + " and device " + device.getDeviceName() + " " + l2GatewayDevice.getHwvtepNodeId()
 417                                 + " l2gw connection id " + l2gatewayConnection.getUuid());
 418                     }
 419                 }
 420             }
 421         }
 422     }
 423
 424     private boolean verifyL2GatewayDevice(L2gateway l2gateway, Devices device, L2GatewayDevice l2GatewayDevice) {
 425         if (l2GatewayDevice == null) {
 426             pw.println("Failed l2gateway not found in cache for device " + device.getDeviceName());
 427             return false;
 428         }
 429         if (l2GatewayDevice.getHwvtepNodeId() == null) {
 430             pw.println("L2gateway cache is not updated with node id for device " + device.getDeviceName());
 431             return false;
 432         }
 433         if (l2GatewayDevice.getTunnelIp() == null) {
 434             pw.println("L2gateway cache is not updated with tunnel ip for device " + device.getDeviceName());
 435             return false;
 436         }
 437         if (!l2GatewayDevice.getL2GatewayIds().contains(l2gateway.getUuid())) {
 438             pw.println("L2gateway cache is not updated with l2gw id for device " + device.getDeviceName());
 439             return false;
 440         }
 441         return true;
 442     }
 443
 444     private  InstanceIdentifier<TerminationPoint> getPhysicalPortTerminationPointIid(NodeId nodeId, String portName) {
 445         TerminationPointKey tpKey = new TerminationPointKey(new TpId(portName));
 446         InstanceIdentifier<TerminationPoint> iid = HwvtepSouthboundUtils.createTerminationPointId(nodeId, tpKey);
 447         return iid;
 448     }
 449
 450     private boolean verfiyLogicalSwitch(String logicalSwitchName, InstanceIdentifier<Node> nodeIid) {
 451         NodeId nodeId = nodeIid.firstKeyOf(Node.class).getNodeId();
 452         InstanceIdentifier<LogicalSwitches> logicalSwitchPath = HwvtepSouthboundUtils
 453                 .createLogicalSwitchesInstanceIdentifier(nodeId, new HwvtepNodeName(logicalSwitchName));
 454
 455         if (!isPresent(configNodesData, nodeIid, logicalSwitchPath)) {
 456             pw.println("Failed to find config logical switch " + logicalSwitchName + " for node "
 457                     + nodeId.getValue());
 458             return false;
 459         }
 460
 461         if (!isPresent(operationalNodesData, nodeIid, logicalSwitchPath)) {
 462             pw.println("Failed to find operational logical switch " + logicalSwitchName + " for node "
 463                     + nodeId.getValue());
 464             return false;
 465         }
 466         return true;
 467     }
 468
 469     private boolean verifyMcastMac(String logicalSwitchName,
 470                                    InstanceIdentifier<Node> nodeIid) {
 471         NodeId nodeId = nodeIid.firstKeyOf(Node.class).getNodeId();
 472
 473         HwvtepLogicalSwitchRef lsRef = new HwvtepLogicalSwitchRef(HwvtepSouthboundUtils
 474                 .createLogicalSwitchesInstanceIdentifier(
 475                         new NodeId(new Uri(nodeId)), new HwvtepNodeName(logicalSwitchName)));
 476
 477         RemoteMcastMacs remoteMcastMac = new RemoteMcastMacsBuilder()
 478                 .setMacEntryKey(new MacAddress(ElanConstants.UNKNOWN_DMAC)).setLogicalSwitchRef(lsRef).build();
 479         InstanceIdentifier<RemoteMcastMacs> mcastMacIid = HwvtepSouthboundUtils
 480                 .createRemoteMcastMacsInstanceIdentifier(new NodeId(new Uri(nodeId)), remoteMcastMac.key());
 481
 482
 483         if (!isPresent(configNodesData, nodeIid, mcastMacIid)) {
 484             pw.println("Failed to find config mcast mac for logical switch " + logicalSwitchName
 485                     + " node id " + nodeId.getValue());
 486             return false;
 487         }
 488
 489         if (!isPresent(operationalNodesData, nodeIid, mcastMacIid)) {
 490             pw.println("Failed to find operational mcast mac for logical switch " + logicalSwitchName
 491                     + " node id " + nodeId.getValue());
 492             return false;
 493         }
 494         return true;
 495     }
 496
 497     private boolean verifyVlanBindings(InstanceIdentifier<Node> nodeIid,
 498                                        String logicalSwitchName,
 499                                        Devices hwVtepDevice,
 500                                        Integer defaultVlanId) {
 501         boolean valid = true;
 502         NodeId nodeId = nodeIid.firstKeyOf(Node.class).getNodeId();
 503         if (hwVtepDevice.getInterfaces() == null) {
 504             return false;
 505         }
 506         for (org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.l2gateways.rev150712
 507                  .l2gateway.attributes.devices.Interfaces deviceInterface : hwVtepDevice.getInterfaces()) {
 508
 509             NodeId switchNodeId = HwvtepSouthboundUtils.createManagedNodeId(nodeId, hwVtepDevice.getDeviceName());
 510             InstanceIdentifier<Node> physicalSwitchNodeIid = topoIid.child(Node.class, new NodeKey(switchNodeId));
 511             InstanceIdentifier<TerminationPoint> terminationPointIid =
 512                     getPhysicalPortTerminationPointIid(switchNodeId, deviceInterface.getInterfaceName());
 513
 514             TerminationPoint operationalTerminationPoint = (TerminationPoint) getData(operationalNodesData,
 515                     physicalSwitchNodeIid, terminationPointIid);
 516             if (operationalTerminationPoint == null) {
 517                 valid = false;
 518                 pw.println("Failed to find the operational port " + deviceInterface.getInterfaceName()
 519                         + " for node " + hwVtepDevice.getDeviceName() + " nodeid " + nodeId.getValue());
 520                 continue;
 521             }
 522             TerminationPoint configTerminationPoint = (TerminationPoint) getData(configNodesData,
 523                     physicalSwitchNodeIid, terminationPointIid);
 524             if (configTerminationPoint == null) {
 525                 valid = false;
 526                 pw.println("Failed to find the configurational port " + deviceInterface.getInterfaceName()
 527                         + " for node " + hwVtepDevice.getDeviceName() +  " for logical switch " + logicalSwitchName
 528                         + " nodeid " + nodeId.getValue());
 529                 continue;
 530             }
 531
 532             List<VlanBindings> expectedVlans = new ArrayList<>();
 533             if (deviceInterface.getSegmentationIds() != null && !deviceInterface.getSegmentationIds().isEmpty()) {
 534                 for (Integer vlanId : deviceInterface.getSegmentationIds()) {
 535                     expectedVlans.add(HwvtepSouthboundUtils.createVlanBinding(nodeId, vlanId, logicalSwitchName));
 536                 }
 537             } else {
 538                 expectedVlans.add(HwvtepSouthboundUtils.createVlanBinding(nodeId, defaultVlanId, logicalSwitchName));
 539             }
 540
 541             HwvtepPhysicalPortAugmentation portAugmentation = configTerminationPoint.augmentation(
 542                     HwvtepPhysicalPortAugmentation.class);
 543             if (portAugmentation == null || HwvtepHAUtil.isEmptyList(portAugmentation.getVlanBindings())) {
 544                 pw.println("Failed to find the config vlan bindings for port " + deviceInterface.getInterfaceName()
 545                         + " for node " + hwVtepDevice.getDeviceName() +  " for logical switch " + logicalSwitchName
 546                         + " nodeid " + nodeId.getValue());
 547                 valid = false;
 548                 continue;
 549             }
 550             portAugmentation = operationalTerminationPoint.augmentation(HwvtepPhysicalPortAugmentation.class);
 551             if (portAugmentation == null || HwvtepHAUtil.isEmptyList(portAugmentation.getVlanBindings())) {
 552                 pw.println("Failed to find the operational vlan bindings for port " + deviceInterface.getInterfaceName()
 553                         + " for node " + hwVtepDevice.getDeviceName() +  " for logical switch " + logicalSwitchName
 554                         + " nodeid " + nodeId.getValue());
 555                 valid = false;
 556                 continue;
 557             }
 558             VlanBindings expectedBindings = !expectedVlans.isEmpty() ? expectedVlans.get(0) : null;
 559             boolean foundBindings = false;
 560             List<VlanBindings> vlanBindingses = requireNonNullElse(configTerminationPoint.augmentation(
 561                     HwvtepPhysicalPortAugmentation.class).getVlanBindings(), emptyList());
 562             for (VlanBindings actual : vlanBindingses) {
 563                 if (actual.equals(expectedBindings)) {
 564                     foundBindings = true;
 565                     break;
 566                 }
 567             }
 568             if (!foundBindings) {
 569                 pw.println("Mismatch in vlan bindings for port " + deviceInterface.getInterfaceName()
 570                         + " for node " + hwVtepDevice.getDeviceName() +  " for logical switch " + logicalSwitchName
 571                         + " nodeid " + nodeId.getValue());
 572                 pw.println("Failed to find the vlan bindings " + expectedBindings);
 573                 pw.println("Actual bindings present in config are ");
 574                 for (VlanBindings actual : vlanBindingses) {
 575                     pw.println(actual.toString());
 576                 }
 577                 valid = false;
 578             }
 579         }
 580         return true;
 581     }
 582 }