hwvtepsouthbound/hwvtepsouthbound-impl/src/main/java/org/opendaylight/ovsdb/hwvtepsouthbound/transact/PhysicalSwitchUpdateCommand.java

   1 /*
   2  * Copyright © 2015, 2017 China Telecom Beijing Research Institute 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.hwvtepsouthbound.transact;
  10
  11 import static org.opendaylight.ovsdb.hwvtepsouthbound.HwvtepSouthboundUtil.schemaMismatchLog;
  12 import static org.opendaylight.ovsdb.lib.operations.Operations.op;
  13
  14 import com.google.common.collect.ImmutableMap;
  15 import java.util.Collection;
  16 import java.util.Collections;
  17 import java.util.HashMap;
  18 import java.util.HashSet;
  19 import java.util.Map;
  20 import java.util.Map.Entry;
  21 import java.util.Optional;
  22 import java.util.Set;
  23 import org.opendaylight.mdsal.binding.api.DataObjectModification;
  24 import org.opendaylight.mdsal.binding.api.DataTreeModification;
  25 import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
  26 import org.opendaylight.ovsdb.hwvtepsouthbound.HwvtepSouthboundMapper;
  27 import org.opendaylight.ovsdb.lib.error.SchemaVersionMismatchException;
  28 import org.opendaylight.ovsdb.lib.notation.Mutator;
  29 import org.opendaylight.ovsdb.lib.notation.UUID;
  30 import org.opendaylight.ovsdb.lib.operations.TransactionBuilder;
  31 import org.opendaylight.ovsdb.schema.hardwarevtep.Global;
  32 import org.opendaylight.ovsdb.schema.hardwarevtep.PhysicalSwitch;
  33 import org.opendaylight.ovsdb.schema.hardwarevtep.Tunnel;
  34 import org.opendaylight.ovsdb.utils.mdsal.utils.ControllerMdsalUtils;
  35 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.HwvtepPhysicalLocatorAugmentation;
  36 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.PhysicalSwitchAugmentation;
  37 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.hwvtep.physical._switch.attributes.ManagementIps;
  38 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.hwvtep.physical._switch.attributes.ManagementIpsKey;
  39 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.hwvtep.physical._switch.attributes.TunnelIps;
  40 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.hwvtep.physical._switch.attributes.TunnelIpsKey;
  41 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.hwvtep.physical._switch.attributes.Tunnels;
  42 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.hwvtep.tunnel.attributes.BfdLocalConfigs;
  43 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.hwvtep.tunnel.attributes.BfdLocalConfigsKey;
  44 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.hwvtep.tunnel.attributes.BfdParams;
  45 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.hwvtep.tunnel.attributes.BfdParamsKey;
  46 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.hwvtep.tunnel.attributes.BfdRemoteConfigs;
  47 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.hwvtep.tunnel.attributes.BfdRemoteConfigsKey;
  48 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
  49 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.node.TerminationPoint;
  50 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  51 import org.slf4j.Logger;
  52 import org.slf4j.LoggerFactory;
  53
  54 public class PhysicalSwitchUpdateCommand extends AbstractTransactCommand {
  55     private static final Logger LOG = LoggerFactory.getLogger(PhysicalSwitchUpdateCommand.class);
  56
  57     public PhysicalSwitchUpdateCommand(final HwvtepOperationalState state,
  58             final Collection<DataTreeModification<Node>> changes) {
  59         super(state, changes);
  60     }
  61
  62     @Override
  63     public void execute(final TransactionBuilder transaction) {
  64         Map<InstanceIdentifier<Node>, PhysicalSwitchAugmentation> created =
  65                 extractCreated(getChanges(),PhysicalSwitchAugmentation.class);
  66         if (!created.isEmpty()) {
  67             for (Entry<InstanceIdentifier<Node>, PhysicalSwitchAugmentation> physicalSwitchEntry:
  68                 created.entrySet()) {
  69                 updatePhysicalSwitch(transaction,  physicalSwitchEntry.getKey(), physicalSwitchEntry.getValue());
  70             }
  71         }
  72         Map<InstanceIdentifier<Node>, PhysicalSwitchAugmentation> updated =
  73                 extractUpdatedSwitches(getChanges(),PhysicalSwitchAugmentation.class);
  74         if (!updated.isEmpty()) {
  75             for (Entry<InstanceIdentifier<Node>, PhysicalSwitchAugmentation> physicalSwitchEntry:
  76                 updated.entrySet()) {
  77                 updatePhysicalSwitch(transaction,  physicalSwitchEntry.getKey(), physicalSwitchEntry.getValue());
  78             }
  79         }
  80     }
  81
  82
  83     private void updatePhysicalSwitch(final TransactionBuilder transaction,
  84             final InstanceIdentifier<Node> iid, final PhysicalSwitchAugmentation physicalSwitchAugmentation) {
  85         LOG.debug("Creating a physical switch named: {}", physicalSwitchAugmentation.getHwvtepNodeName());
  86         Optional<PhysicalSwitchAugmentation> operationalPhysicalSwitchOptional =
  87                 getOperationalState().getPhysicalSwitchAugmentation(iid);
  88         PhysicalSwitch physicalSwitch = transaction.getTypedRowWrapper(PhysicalSwitch.class);
  89         setDescription(physicalSwitch, physicalSwitchAugmentation);
  90         setManagementIps(physicalSwitch, physicalSwitchAugmentation);
  91         setTunnuleIps(physicalSwitch, operationalPhysicalSwitchOptional.get());
  92         try {
  93             setTunnels(transaction, iid, physicalSwitch, physicalSwitchAugmentation,
  94                             operationalPhysicalSwitchOptional.isPresent());
  95         } catch (SchemaVersionMismatchException e) {
  96             schemaMismatchLog("tunnels", "Physical_Switch", e);
  97         }
  98         if (!operationalPhysicalSwitchOptional.isPresent()) {
  99             //create a physical switch
 100             setName(physicalSwitch, physicalSwitchAugmentation, operationalPhysicalSwitchOptional);
 101             String pswitchUuid = "PhysicalSwitch_" + HwvtepSouthboundMapper.getRandomUUID();
 102             transaction.add(op.insert(physicalSwitch).withId(pswitchUuid));
 103             transaction.add(op.comment("Physical Switch: Creating "
 104                     + physicalSwitchAugmentation.getHwvtepNodeName().getValue()));
 105             //update global table
 106             Global global = transaction.getTypedRowWrapper(Global.class);
 107             global.setSwitches(Collections.singleton(new UUID(pswitchUuid)));
 108
 109             LOG.trace("execute: create physical switch: {}", physicalSwitch);
 110             transaction.add(op.mutate(global)
 111                     .addMutation(global.getSwitchesColumn().getSchema(), Mutator.INSERT,
 112                             global.getSwitchesColumn().getData()));
 113             transaction.add(op.comment("Global: Mutating "
 114                             + physicalSwitchAugmentation.getHwvtepNodeName().getValue() + " " + pswitchUuid));
 115         } else {
 116             PhysicalSwitchAugmentation updatedPhysicalSwitch = operationalPhysicalSwitchOptional.get();
 117             String existingPhysicalSwitchName = updatedPhysicalSwitch.getHwvtepNodeName().getValue();
 118             /* In case TOR devices don't allow creation of PhysicalSwitch name might be null
 119              * as user is only adding configurable parameters to MDSAL like BFD params
 120              *
 121              * TODO Note: Consider handling tunnel udpate/remove in separate command
 122              */
 123             if (existingPhysicalSwitchName == null) {
 124                 existingPhysicalSwitchName = operationalPhysicalSwitchOptional.get().getHwvtepNodeName().getValue();
 125             }
 126             // Name is immutable, and so we *can't* update it.  So we use extraPhysicalSwitch for the schema stuff
 127             PhysicalSwitch extraPhysicalSwitch = transaction.getTypedRowWrapper(PhysicalSwitch.class);
 128             extraPhysicalSwitch.setName("");
 129             LOG.trace("execute: updating physical switch: {}", physicalSwitch);
 130             transaction.add(op.update(physicalSwitch)
 131                     .where(extraPhysicalSwitch.getNameColumn().getSchema().opEqual(existingPhysicalSwitchName))
 132                     .build());
 133             transaction.add(op.comment("Physical Switch: Updating " + existingPhysicalSwitchName));
 134         }
 135     }
 136
 137     private static void setName(final PhysicalSwitch physicalSwitch,
 138             final PhysicalSwitchAugmentation physicalSwitchAugmentation,
 139             final Optional<PhysicalSwitchAugmentation> operationalPhysicalSwitchOptional) {
 140         if (physicalSwitchAugmentation.getHwvtepNodeName() != null) {
 141             physicalSwitch.setName(physicalSwitchAugmentation.getHwvtepNodeName().getValue());
 142         } else if (operationalPhysicalSwitchOptional.isPresent()
 143                 && operationalPhysicalSwitchOptional.get().getHwvtepNodeName() != null) {
 144             physicalSwitch.setName(operationalPhysicalSwitchOptional.get().getHwvtepNodeName().getValue());
 145         }
 146     }
 147
 148     private static void setDescription(final PhysicalSwitch physicalSwitch,
 149             final PhysicalSwitchAugmentation physicalSwitchAugmentation) {
 150         if (physicalSwitchAugmentation.getHwvtepNodeDescription() != null) {
 151             physicalSwitch.setDescription(physicalSwitchAugmentation.getHwvtepNodeDescription());
 152         }
 153     }
 154
 155     private static void setManagementIps(final PhysicalSwitch physicalSwitch,
 156             final PhysicalSwitchAugmentation physicalSwitchAugmentation) {
 157         Map<ManagementIpsKey, ManagementIps> managementIps = physicalSwitchAugmentation.getManagementIps();
 158         if (managementIps != null) {
 159             Set<String> ipSet = new HashSet<>();
 160             for (ManagementIps ip: managementIps.values()) {
 161                 ipSet.add(ip.getManagementIpsKey().getIpv4Address().getValue());
 162             }
 163             physicalSwitch.setManagementIps(ipSet);
 164         }
 165     }
 166
 167     private static void setTunnuleIps(final PhysicalSwitch physicalSwitch,
 168             final PhysicalSwitchAugmentation physicalSwitchAugmentation) {
 169         final Map<TunnelIpsKey, TunnelIps> tunnelIps = physicalSwitchAugmentation.getTunnelIps();
 170         if (tunnelIps != null) {
 171             Set<String> ipSet = new HashSet<>();
 172             for (TunnelIps ip: tunnelIps.values()) {
 173                 ipSet.add(ip.getTunnelIpsKey().getIpv4Address().getValue());
 174             }
 175             physicalSwitch.setTunnelIps(ipSet);
 176         }
 177     }
 178
 179     @SuppressWarnings("unchecked")
 180     private void setTunnels(final TransactionBuilder transaction, final InstanceIdentifier<Node> iid,
 181             final PhysicalSwitch physicalSwitch, final PhysicalSwitchAugmentation physicalSwitchAugmentation,
 182             final boolean switchExists) {
 183         //TODO: revisit this code for optimizations
 184         //TODO: needs more testing
 185         for (Tunnels tunnel : physicalSwitchAugmentation.nonnullTunnels().values()) {
 186             Optional<Tunnels> opTunnelOpt = getOperationalState().getTunnels(iid, tunnel.key());
 187             Tunnel newTunnel = transaction.getTypedRowWrapper(Tunnel.class);
 188
 189             UUID localUUID = getLocatorUUID(transaction,
 190                 (InstanceIdentifier<TerminationPoint>) tunnel.getLocalLocatorRef().getValue());
 191             UUID remoteUUID = getLocatorUUID(transaction,
 192                 (InstanceIdentifier<TerminationPoint>) tunnel.getRemoteLocatorRef().getValue());
 193             if (localUUID != null && remoteUUID != null) {
 194                 // local and remote must exist
 195                 newTunnel.setLocal(localUUID);
 196                 newTunnel.setRemote(remoteUUID);
 197                 setBfdParams(newTunnel, tunnel);
 198                 setBfdLocalConfigs(newTunnel, tunnel);
 199                 setBfdRemoteConfigs(newTunnel, tunnel);
 200                 if (!opTunnelOpt.isPresent()) {
 201                     String tunnelUuid = "Tunnel_" + HwvtepSouthboundMapper.getRandomUUID();
 202                     transaction.add(op.insert(newTunnel).withId(tunnelUuid));
 203                     transaction.add(op.comment("Tunnel: Creating " + tunnelUuid));
 204                     if (!switchExists) {
 205                         //TODO: Figure out a way to handle this
 206                         LOG.warn("Tunnel configuration requires pre-existing physicalSwitch");
 207                     } else {
 208                         // TODO: Can we reuse physicalSwitch instead?
 209                         PhysicalSwitch phySwitch = transaction.getTypedRowWrapper(PhysicalSwitch.class);
 210                         phySwitch.setTunnels(Collections.singleton(new UUID(tunnelUuid)));
 211                         phySwitch.setName(physicalSwitchAugmentation.getHwvtepNodeName().getValue());
 212                         transaction.add(op.mutate(phySwitch)
 213                             .addMutation(phySwitch.getTunnels().getSchema(), Mutator.INSERT,
 214                                 phySwitch.getTunnels().getData())
 215                             .where(phySwitch.getNameColumn().getSchema()
 216                                 .opEqual(phySwitch.getNameColumn().getData()))
 217                             .build());
 218                         transaction.add(op.comment("PhysicalSwitch: Mutating " + tunnelUuid));
 219                     }
 220                 } else {
 221                     UUID uuid = new UUID(opTunnelOpt.get().getTunnelUuid().getValue());
 222                     Tunnel extraTunnel = transaction.getTypedRowSchema(Tunnel.class);
 223                     extraTunnel.getUuidColumn().setData(uuid);
 224                     transaction.add(op.update(newTunnel)
 225                         .where(extraTunnel.getUuidColumn().getSchema().opEqual(uuid))
 226                         .build());
 227                     transaction.add(op.comment("Tunnel: Updating " + uuid));
 228                 }
 229             }
 230         }
 231     }
 232
 233     private static void setBfdParams(final Tunnel tunnel, final Tunnels psAugTunnel) {
 234         Map<BfdParamsKey, BfdParams> bfdParams = psAugTunnel.getBfdParams();
 235         if (bfdParams != null) {
 236             Map<String, String> bfdParamMap = new HashMap<>();
 237             for (BfdParams bfdParam : bfdParams.values()) {
 238                 bfdParamMap.put(bfdParam.getBfdParamKey(), bfdParam.getBfdParamValue());
 239             }
 240             try {
 241                 tunnel.setBfdParams(ImmutableMap.copyOf(bfdParamMap));
 242             } catch (NullPointerException e) {
 243                 LOG.warn("Incomplete BFD Params for tunnel", e);
 244             }
 245         }
 246     }
 247
 248     private static void setBfdLocalConfigs(final Tunnel tunnel, final Tunnels psAugTunnel) {
 249         Map<BfdLocalConfigsKey, BfdLocalConfigs> bfdLocalConfigs = psAugTunnel.getBfdLocalConfigs();
 250         if (bfdLocalConfigs != null) {
 251             Map<String, String> configLocalMap = new HashMap<>();
 252             for (BfdLocalConfigs localConfig : bfdLocalConfigs.values()) {
 253                 configLocalMap.put(localConfig.getBfdLocalConfigKey(), localConfig.getBfdLocalConfigValue());
 254             }
 255             try {
 256                 tunnel.setBfdConfigLocal(ImmutableMap.copyOf(configLocalMap));
 257             } catch (NullPointerException e) {
 258                 LOG.warn("Incomplete BFD LocalConfig for tunnel", e);
 259             }
 260         }
 261     }
 262
 263     private static void setBfdRemoteConfigs(final Tunnel tunnel, final Tunnels psAugTunnel) {
 264         Map<BfdRemoteConfigsKey, BfdRemoteConfigs> bfdRemoteConfigs = psAugTunnel.getBfdRemoteConfigs();
 265         if (bfdRemoteConfigs != null) {
 266             Map<String, String> configRemoteMap = new HashMap<>();
 267             for (BfdRemoteConfigs remoteConfig : bfdRemoteConfigs.values()) {
 268                 configRemoteMap.put(remoteConfig.getBfdRemoteConfigKey(), remoteConfig.getBfdRemoteConfigValue());
 269             }
 270             try {
 271                 tunnel.setBfdConfigRemote(ImmutableMap.copyOf(configRemoteMap));
 272             } catch (NullPointerException e) {
 273                 LOG.warn("Incomplete BFD RemoteConfig for tunnel", e);
 274             }
 275         }
 276     }
 277
 278     private UUID getLocatorUUID(final TransactionBuilder transaction, final InstanceIdentifier<TerminationPoint> iid) {
 279         UUID locatorUUID = null;
 280         Optional<HwvtepPhysicalLocatorAugmentation> opLocOptional =
 281                         getOperationalState().getPhysicalLocatorAugmentation(iid);
 282         if (opLocOptional.isPresent()) {
 283             // Get Locator UUID from operational
 284             HwvtepPhysicalLocatorAugmentation locatorAug = opLocOptional.get();
 285             locatorUUID = new UUID(locatorAug.getPhysicalLocatorUuid().getValue());
 286         } else {
 287             // TODO/FIXME: Not in operational, do we create a new one?
 288             LOG.warn("Trying to create tunnel without creating physical locators first");
 289             Optional<TerminationPoint> confLocOptional = new ControllerMdsalUtils(getOperationalState().getDataBroker())
 290                     .readOptional(LogicalDatastoreType.CONFIGURATION, iid);
 291             if (confLocOptional.isPresent()) {
 292                 locatorUUID = TransactUtils.createPhysicalLocator(transaction, getOperationalState(), iid);
 293             } else {
 294                 LOG.warn("Unable to find endpoint for tunnel. Endpoint indentifier is {}", iid);
 295             }
 296         }
 297         return locatorUUID;
 298     }
 299
 300     private static Map<InstanceIdentifier<Node>, PhysicalSwitchAugmentation> extractCreated(
 301             final Collection<DataTreeModification<Node>> changes, final Class<PhysicalSwitchAugmentation> class1) {
 302         Map<InstanceIdentifier<Node>, PhysicalSwitchAugmentation> result = new HashMap<>();
 303         if (changes != null && !changes.isEmpty()) {
 304             for (DataTreeModification<Node> change : changes) {
 305                 final InstanceIdentifier<Node> key = change.getRootPath().getRootIdentifier();
 306                 final DataObjectModification<Node> mod = change.getRootNode();
 307                 Node created = TransactUtils.getCreated(mod);
 308                 if (created != null) {
 309                     PhysicalSwitchAugmentation physicalSwitch =
 310                             created.augmentation(PhysicalSwitchAugmentation.class);
 311                     if (physicalSwitch != null) {
 312                         result.put(key, physicalSwitch);
 313                     }
 314                 }
 315             }
 316         }
 317         return result;
 318     }
 319
 320     private static Map<InstanceIdentifier<Node>, PhysicalSwitchAugmentation> extractUpdatedSwitches(
 321             final Collection<DataTreeModification<Node>> changes, final Class<PhysicalSwitchAugmentation> class1) {
 322         Map<InstanceIdentifier<Node>, PhysicalSwitchAugmentation> result = new HashMap<>();
 323         if (changes != null && !changes.isEmpty()) {
 324             for (DataTreeModification<Node> change : changes) {
 325                 final InstanceIdentifier<Node> key = change.getRootPath().getRootIdentifier();
 326                 final DataObjectModification<Node> mod = change.getRootNode();
 327                 Node updated = TransactUtils.getUpdated(mod);
 328                 if (updated != null) {
 329                     PhysicalSwitchAugmentation physicalSwitch =
 330                             updated.augmentation(PhysicalSwitchAugmentation.class);
 331                     if (physicalSwitch != null) {
 332                         result.put(key, physicalSwitch);
 333                     }
 334                 }
 335             }
 336         }
 337         return result;
 338     }
 339
 340 }