hwvtepsouthbound/hwvtepsouthbound-impl/src/main/java/org/opendaylight/ovsdb/hwvtepsouthbound/transact/TransactUtils.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 package org.opendaylight.ovsdb.hwvtepsouthbound.transact;
   9
  10 import static org.opendaylight.ovsdb.lib.operations.Operations.op;
  11
  12 import com.google.common.collect.Lists;
  13 import java.util.Collection;
  14 import java.util.Collections;
  15 import java.util.HashMap;
  16 import java.util.HashSet;
  17 import java.util.List;
  18 import java.util.Map;
  19 import java.util.Set;
  20 import org.opendaylight.controller.md.sal.binding.api.DataObjectModification;
  21 import org.opendaylight.controller.md.sal.binding.api.DataObjectModification.ModificationType;
  22 import org.opendaylight.controller.md.sal.binding.api.DataTreeModification;
  23 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  24 import org.opendaylight.ovsdb.hwvtepsouthbound.HwvtepDeviceInfo;
  25 import org.opendaylight.ovsdb.hwvtepsouthbound.HwvtepSouthboundConstants;
  26 import org.opendaylight.ovsdb.hwvtepsouthbound.HwvtepSouthboundMapper;
  27 import org.opendaylight.ovsdb.lib.notation.UUID;
  28 import org.opendaylight.ovsdb.lib.operations.TransactionBuilder;
  29 import org.opendaylight.ovsdb.lib.schema.typed.TyperUtils;
  30 import org.opendaylight.ovsdb.schema.hardwarevtep.PhysicalLocator;
  31 import org.opendaylight.ovsdb.schema.hardwarevtep.PhysicalLocatorSet;
  32 import org.opendaylight.ovsdb.utils.mdsal.utils.MdsalUtils;
  33 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.IpAddress;
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.EncapsulationTypeVxlanOverIpv4;
  35 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.HwvtepNodeName;
  36 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.HwvtepPhysicalLocatorAugmentation;
  37 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.HwvtepPhysicalLocatorAugmentationBuilder;
  38 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.hwvtep.global.attributes.Acls;
  39 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.hwvtep.global.attributes.LogicalRouters;
  40 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.hwvtep.global.attributes.LogicalSwitches;
  41 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.hwvtep.physical.locator.set.attributes.LocatorSet;
  42 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
  43 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.node.TerminationPoint;
  44 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  45 import org.slf4j.Logger;
  46 import org.slf4j.LoggerFactory;
  47
  48 public final class TransactUtils {
  49     private static final Logger LOG = LoggerFactory.getLogger(TransactUtils.class);
  50
  51     private TransactUtils(){
  52     }
  53
  54     public static Node getCreated(DataObjectModification<Node> mod) {
  55         if (mod.getModificationType() == ModificationType.WRITE
  56                         && mod.getDataBefore() == null) {
  57             return mod.getDataAfter();
  58         }
  59         return null;
  60     }
  61
  62     public static Node getRemoved(DataObjectModification<Node> mod) {
  63         if (mod.getModificationType() == ModificationType.DELETE) {
  64             return mod.getDataBefore();
  65         }
  66         return null;
  67     }
  68
  69     public static Node getUpdated(DataObjectModification<Node> mod) {
  70         Node node = null;
  71         switch (mod.getModificationType()) {
  72             case SUBTREE_MODIFIED:
  73                 node = mod.getDataAfter();
  74                 break;
  75             case WRITE:
  76                 if (mod.getDataBefore() != null) {
  77                     node = mod.getDataAfter();
  78                 }
  79                 break;
  80             default:
  81                 break;
  82         }
  83         return node;
  84     }
  85
  86     public static Node getOriginal(DataObjectModification<Node> mod) {
  87         Node node = null;
  88         switch (mod.getModificationType()) {
  89             case SUBTREE_MODIFIED:
  90             case DELETE:
  91                 node = mod.getDataBefore();
  92                 break;
  93             case WRITE:
  94                 if (mod.getDataBefore() !=  null) {
  95                     node = mod.getDataBefore();
  96                 }
  97                 break;
  98             default:
  99                 break;
 100         }
 101         return node;
 102     }
 103
 104     //TODO: change this function to be generic
 105     public static Map<InstanceIdentifier<Node>, Node> extractCreatedOrUpdatedOrRemoved(
 106             Collection<DataTreeModification<Node>> changes, Class<Node> class1) {
 107         Map<InstanceIdentifier<Node>, Node> result = new HashMap<>();
 108         for (DataTreeModification<Node> change : changes) {
 109             final InstanceIdentifier<Node> key = change.getRootPath().getRootIdentifier();
 110             final DataObjectModification<Node> mod = change.getRootNode();
 111             Node created = getCreated(mod);
 112             if (created != null) {
 113                 result.put(key, created);
 114             }
 115             Node updated = getUpdated(mod);
 116             if (updated != null) {
 117                 result.put(key, updated);
 118             }
 119             Node deleted = getRemoved(mod);
 120             if (deleted != null) {
 121                 result.put(key, deleted);
 122             }
 123         }
 124         return result;
 125     }
 126
 127     public static UUID createPhysicalLocatorSet(HwvtepOperationalState hwvtepOperationalState,
 128             TransactionBuilder transaction, List<LocatorSet> locatorList) {
 129         Set<UUID> locators = new HashSet<>();
 130         for (LocatorSet locator: locatorList) {
 131             @SuppressWarnings("unchecked")
 132             InstanceIdentifier<TerminationPoint> iid =
 133                     (InstanceIdentifier<TerminationPoint>) locator.getLocatorRef().getValue();
 134             UUID locatorUuid = createPhysicalLocator(transaction, hwvtepOperationalState, iid);
 135             if (locatorUuid != null) {
 136                 locators.add(locatorUuid);
 137             }
 138         }
 139         PhysicalLocatorSet physicalLocatorSet = TyperUtils.getTypedRowWrapper(transaction.getDatabaseSchema(),
 140                 PhysicalLocatorSet.class);
 141         physicalLocatorSet.setLocators(locators);
 142         String locatorSetUuid = "PhysicalLocatorSet_" + HwvtepSouthboundMapper.getRandomUUID();
 143         transaction.add(op.insert(physicalLocatorSet).withId(locatorSetUuid));
 144         return new UUID(locatorSetUuid);
 145     }
 146
 147     public static UUID createPhysicalLocator(TransactionBuilder transaction, HwvtepOperationalState operationalState,
 148                                              InstanceIdentifier<TerminationPoint> iid) {
 149         UUID locatorUuid = null;
 150         HwvtepDeviceInfo.DeviceData deviceData = operationalState.getDeviceInfo().getDeviceOperData(
 151                 TerminationPoint.class, iid);
 152         if (deviceData != null && deviceData.getUuid() != null) {
 153             locatorUuid = deviceData.getUuid();
 154             return locatorUuid;
 155         }
 156         locatorUuid = operationalState.getUUIDFromCurrentTx(TerminationPoint.class, iid);
 157         if (locatorUuid != null) {
 158             return locatorUuid;
 159         }
 160         HwvtepPhysicalLocatorAugmentationBuilder builder = new HwvtepPhysicalLocatorAugmentationBuilder();
 161         HwvtepPhysicalLocatorAugmentation locatorAugmentation = null;
 162         builder.setEncapsulationType(EncapsulationTypeVxlanOverIpv4.class);
 163         String tepKey = iid.firstKeyOf(TerminationPoint.class).getTpId().getValue();
 164         String ip = tepKey.substring(tepKey.indexOf(":") + 1);
 165         builder.setDstIp(new IpAddress(ip.toCharArray()));
 166         locatorAugmentation = builder.build();
 167         locatorUuid = TransactUtils.createPhysicalLocator(transaction, locatorAugmentation);
 168         operationalState.updateCurrentTxData(TerminationPoint.class, iid, locatorUuid);
 169         operationalState.getDeviceInfo().markKeyAsInTransit(TerminationPoint.class, iid);
 170         return locatorUuid;
 171     }
 172
 173     public static UUID createPhysicalLocator(TransactionBuilder transaction,
 174             HwvtepPhysicalLocatorAugmentation inputLocator) {
 175         LOG.debug("Creating a physical locator: {}", inputLocator.getDstIp());
 176         PhysicalLocator physicalLocator = TyperUtils.getTypedRowWrapper(transaction.getDatabaseSchema(),
 177                 PhysicalLocator.class);
 178         setEncapsulationType(physicalLocator, inputLocator);
 179         setDstIp(physicalLocator, inputLocator);
 180         String locatorUuid = "PhysicalLocator_" + HwvtepSouthboundMapper.getRandomUUID();
 181         transaction.add(op.insert(physicalLocator).withId(locatorUuid));
 182         return new UUID(locatorUuid);
 183     }
 184
 185     private static void setEncapsulationType(PhysicalLocator physicalLocator,
 186             HwvtepPhysicalLocatorAugmentation inputLocator) {
 187         if (inputLocator.getEncapsulationType() != null) {
 188             String encapType = HwvtepSouthboundConstants.ENCAPS_TYPE_MAP.get(
 189                     HwvtepSouthboundMapper.createEncapsulationType(""));
 190             physicalLocator.setEncapsulationType(encapType);
 191         }
 192     }
 193
 194     private static void setDstIp(PhysicalLocator physicalLocator,
 195             HwvtepPhysicalLocatorAugmentation inputLocator) {
 196         if (inputLocator.getDstIp() != null) {
 197             physicalLocator.setDstIp(inputLocator.getDstIp().getIpv4Address().getValue());
 198         }
 199     }
 200
 201     static String sanitizeUUID(HwvtepNodeName hwvtepNodeName) {
 202         return sanitizeUUID(hwvtepNodeName.getValue());
 203     }
 204
 205     static String sanitizeUUID(String nodeName) {
 206         //ovs is not accepting '-' in the named uuids
 207         return nodeName.replaceAll("-", "_");
 208     }
 209
 210     public static String getLogicalSwitchId(LogicalSwitches lswitch) {
 211         return HwvtepSouthboundConstants.LOGICALSWITCH_UUID_PREFIX + sanitizeUUID(lswitch.getHwvtepNodeName());
 212     }
 213
 214     public static UUID getLogicalSwitchUUID(InstanceIdentifier<LogicalSwitches> lswitchIid) {
 215         return new UUID(HwvtepSouthboundConstants.LOGICALSWITCH_UUID_PREFIX
 216                 + sanitizeUUID(lswitchIid.firstKeyOf(LogicalSwitches.class).getHwvtepNodeName()));
 217     }
 218
 219     public static UUID getLogicalSwitchUUID(final TransactionBuilder transaction,
 220                                             final HwvtepOperationalState operationalState,
 221                                             final InstanceIdentifier<LogicalSwitches> lswitchIid) {
 222         HwvtepDeviceInfo hwvtepDeviceInfo = operationalState.getDeviceInfo();
 223         HwvtepDeviceInfo.DeviceData lsData = hwvtepDeviceInfo.getDeviceOperData(LogicalSwitches.class, lswitchIid);
 224         if (lsData != null) {
 225             if (lsData.getUuid() != null) {
 226                 return lsData.getUuid();
 227             }
 228             if (lsData.isInTransitState()) {
 229                 return getLogicalSwitchUUID(lswitchIid);
 230             }
 231             return null;
 232         }
 233         LogicalSwitchUpdateCommand cmd = new LogicalSwitchUpdateCommand(operationalState, Collections.EMPTY_LIST);
 234         MdsalUtils mdsalUtils = new MdsalUtils(operationalState.getDataBroker());
 235         LogicalSwitches ls = mdsalUtils.read(LogicalDatastoreType.CONFIGURATION, lswitchIid);
 236         if (ls != null) {
 237             cmd.updateLogicalSwitch(transaction, lswitchIid.firstIdentifierOf(Node.class), Lists.newArrayList(ls));
 238         } else {
 239             LOG.error("Could not find logical switch in config ds {}", lswitchIid);
 240             return null;
 241         }
 242         return getLogicalSwitchUUID(lswitchIid);
 243     }
 244
 245     public static String getLogicalRouterId(final LogicalRouters lrouter) {
 246         return HwvtepSouthboundConstants.LOGICALROUTER_UUID_PREFIX + sanitizeUUID(lrouter.getHwvtepNodeName());
 247     }
 248
 249     public static UUID getAclUUID(final InstanceIdentifier<Acls> aclIid) {
 250         return new UUID(HwvtepSouthboundConstants.ACL_UUID_PREFIX
 251                 + sanitizeUUID(aclIid.firstKeyOf(Acls.class).getAclName()));
 252     }
 253 }