Examples with NextHop org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.NextHop used on opensource projects

Example 11 with NextHop

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.NextHop in project netvirt by opendaylight.

the class BgpConfigurationManager method addPrefix.

public void addPrefix(String rd, String macAddress, String pfx, List<String> nhList, VrfEntry.EncapType encapType, long lbl, long l3vni, long l2vni, String gatewayMac) {
    for (String nh : nhList) {
        Ipv4Address nexthop = nh != null ? new Ipv4Address(nh) : null;
        Long label = lbl;
        InstanceIdentifier<Networks> iid = InstanceIdentifier.builder(Bgp.class).child(Networks.class, new NetworksKey(pfx, rd)).build();
        NetworksBuilder networksBuilder = new NetworksBuilder().setRd(rd).setPrefixLen(pfx).setNexthop(nexthop).setLabel(label).setEthtag(BgpConstants.DEFAULT_ETH_TAG);
        buildVpnEncapSpecificInfo(networksBuilder, encapType, label, l3vni, l2vni, macAddress, gatewayMac);
        update(iid, networksBuilder.build());
    }
}

Example 12 with NextHop

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.NextHop in project netvirt by opendaylight.

the class FibDSWriter method removeOrUpdateFibEntryFromDS.

public synchronized void removeOrUpdateFibEntryFromDS(String rd, String prefix, String nextHop) {
    if (rd == null || rd.isEmpty()) {
        LOG.error("Prefix {} not associated with vpn", prefix);
        return;
    }
    LOG.debug("Removing fib entry with destination prefix {} from vrf table for rd {} and nextHop {}", prefix, rd, nextHop);
    try {
        InstanceIdentifier<VrfEntry> vrfEntryId = InstanceIdentifier.builder(FibEntries.class).child(VrfTables.class, new VrfTablesKey(rd)).child(VrfEntry.class, new VrfEntryKey(prefix)).build();
        Optional<VrfEntry> existingVrfEntry = singleTxDB.syncReadOptional(LogicalDatastoreType.CONFIGURATION, vrfEntryId);
        List<RoutePaths> routePaths = existingVrfEntry.toJavaUtil().map(VrfEntry::getRoutePaths).orElse(Collections.emptyList());
        if (routePaths.size() == 1) {
            if (routePaths.get(0).getNexthopAddress().equals(nextHop)) {
                bgpUtil.delete(vrfEntryId);
            }
        } else {
            routePaths.stream().map(RoutePaths::getNexthopAddress).filter(nextHopAddress -> nextHopAddress.equals(nextHop)).findFirst().ifPresent(nh -> {
                InstanceIdentifier<RoutePaths> routePathId = FibHelper.buildRoutePathId(rd, prefix, nextHop);
                bgpUtil.delete(routePathId);
            });
        }
    } catch (ReadFailedException e) {
        LOG.error("Error while reading vrfEntry for rd {}, prefix {}", rd, prefix);
        return;
    }
}

Example 13 with NextHop

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.NextHop in project netvirt by opendaylight.

the class VpnFloatingIpHandler method onAddFloatingIp.

@Override
public void onAddFloatingIp(final BigInteger dpnId, final String routerUuid, final long routerId, final Uuid networkId, final String interfaceName, final InternalToExternalPortMap mapping, WriteTransaction writeFlowInvTx) {
    String externalIp = mapping.getExternalIp();
    String internalIp = mapping.getInternalIp();
    Uuid floatingIpId = mapping.getExternalId();
    Uuid subnetId = NatUtil.getFloatingIpPortSubnetIdFromFloatingIpId(dataBroker, floatingIpId);
    String floatingIpPortMacAddress = NatUtil.getFloatingIpPortMacFromFloatingIpId(dataBroker, floatingIpId);
    if (floatingIpPortMacAddress == null) {
        LOG.error("onAddFloatingIp: Unable to retrieve floatingIp port MAC address from floatingIpId {} for " + "router {} to handle floatingIp {}", floatingIpId, routerUuid, externalIp);
        return;
    }
    Optional<Subnets> externalSubnet = NatUtil.getOptionalExternalSubnets(dataBroker, subnetId);
    final String vpnName = externalSubnet.isPresent() ? subnetId.getValue() : NatUtil.getAssociatedVPN(dataBroker, networkId);
    final String subnetVpnName = externalSubnet.isPresent() ? subnetId.getValue() : null;
    if (vpnName == null) {
        LOG.error("onAddFloatingIp: No VPN is associated with ext nw {} to handle add floating ip {} configuration " + "for router {}", networkId, externalIp, routerId);
        return;
    }
    String rd = NatUtil.getVpnRd(dataBroker, vpnName);
    if (rd == null) {
        LOG.error("onAddFloatingIp: Unable to retrieve external (internet) VPN RD from external VPN {} for " + "router {} to handle floatingIp {}", vpnName, routerId, externalIp);
        return;
    }
    ProviderTypes provType = NatEvpnUtil.getExtNwProvTypeFromRouterName(dataBroker, routerUuid, networkId);
    if (provType == null) {
        return;
    }
    /*
         *  For external network of type GRE, it is required to use "Internet VPN VNI" for intra-DC
         *  communication, but we still require "MPLS labels" to reach SNAT/DNAT VMs from external
         *  entities via MPLSOverGRE.
         *
         *  MPLSOverGRE based external networks, the ``opendaylight-vni-ranges`` pool will be
         *  used to carve out a unique VNI per Internet VPN (GRE-provider-type) to be used in the
         *  datapath for traffic forwarding for ``SNAT-to-DNAT`` and ``DNAT-to-DNAT`` cases within the
         *  DataCenter.
        */
    if (NatUtil.isOpenStackVniSemanticsEnforcedForGreAndVxlan(elanService, provType)) {
        NatOverVxlanUtil.validateAndCreateVxlanVniPool(dataBroker, nvpnManager, idManager, NatConstants.ODL_VNI_POOL_NAME);
    }
    String nextHopIp = NatUtil.getEndpointIpAddressForDPN(dataBroker, dpnId);
    LOG.debug("onAddFloatingIp: Nexthop ip for prefix {} is {}", externalIp, nextHopIp);
    if (provType == ProviderTypes.VXLAN) {
        Uuid floatingIpInterface = NatEvpnUtil.getFloatingIpInterfaceIdFromFloatingIpId(dataBroker, floatingIpId);
        evpnDnatFlowProgrammer.onAddFloatingIp(dpnId, routerUuid, routerId, vpnName, internalIp, externalIp, networkId, interfaceName, floatingIpInterface.getValue(), floatingIpPortMacAddress, rd, nextHopIp, writeFlowInvTx);
        return;
    }
    /*
         *  MPLS label will be used to advertise prefixes and in "L3_LFIB_TABLE" (table 20) taking the packet
         *  to "INBOUND_NAPT_TABLE" (table 44) and "PDNAT_TABLE" (table 25).
         */
    GenerateVpnLabelInput labelInput = new GenerateVpnLabelInputBuilder().setVpnName(vpnName).setIpPrefix(externalIp).build();
    Future<RpcResult<GenerateVpnLabelOutput>> labelFuture = vpnService.generateVpnLabel(labelInput);
    ListenableFuture<RpcResult<Void>> future = Futures.transformAsync(JdkFutureAdapters.listenInPoolThread(labelFuture), (AsyncFunction<RpcResult<GenerateVpnLabelOutput>, RpcResult<Void>>) result -> {
        if (result.isSuccessful()) {
            GenerateVpnLabelOutput output = result.getResult();
            long label = output.getLabel();
            LOG.debug("onAddFloatingIp : Generated label {} for prefix {}", label, externalIp);
            FloatingIPListener.updateOperationalDS(dataBroker, routerUuid, interfaceName, label, internalIp, externalIp);
            long l3vni = 0;
            if (NatUtil.isOpenStackVniSemanticsEnforcedForGreAndVxlan(elanService, provType)) {
                l3vni = NatOverVxlanUtil.getInternetVpnVni(idManager, vpnName, l3vni).longValue();
            }
            String fibExternalIp = NatUtil.validateAndAddNetworkMask(externalIp);
            NatUtil.addPrefixToBGP(dataBroker, bgpManager, fibManager, vpnName, rd, subnetId, fibExternalIp, nextHopIp, networkId.getValue(), floatingIpPortMacAddress, label, l3vni, RouteOrigin.STATIC, dpnId);
            List<Instruction> instructions = new ArrayList<>();
            List<ActionInfo> actionsInfos = new ArrayList<>();
            actionsInfos.add(new ActionNxResubmit(NwConstants.PDNAT_TABLE));
            instructions.add(new InstructionApplyActions(actionsInfos).buildInstruction(0));
            makeTunnelTableEntry(vpnName, dpnId, label, instructions, writeFlowInvTx, provType);
            List<ActionInfo> actionInfoFib = new ArrayList<>();
            List<Instruction> customInstructions = new ArrayList<>();
            actionInfoFib.add(new ActionSetFieldEthernetDestination(new MacAddress(floatingIpPortMacAddress)));
            customInstructions.add(new InstructionApplyActions(actionInfoFib).buildInstruction(0));
            customInstructions.add(new InstructionGotoTable(NwConstants.PDNAT_TABLE).buildInstruction(1));
            makeLFibTableEntry(dpnId, label, floatingIpPortMacAddress, NwConstants.PDNAT_TABLE, writeFlowInvTx);
            CreateFibEntryInput input = new CreateFibEntryInputBuilder().setVpnName(vpnName).setSourceDpid(dpnId).setInstruction(customInstructions).setIpAddress(fibExternalIp).setServiceId(label).setIpAddressSource(CreateFibEntryInput.IpAddressSource.FloatingIP).setInstruction(customInstructions).build();
            Future<RpcResult<Void>> future1 = fibService.createFibEntry(input);
            LOG.debug("onAddFloatingIp : Add Floating Ip {} , found associated to fixed port {}", externalIp, interfaceName);
            String networkVpnName = NatUtil.getAssociatedVPN(dataBroker, networkId);
            txRunner.callWithNewWriteOnlyTransactionAndSubmit(tx -> {
                vpnManager.addSubnetMacIntoVpnInstance(networkVpnName, subnetVpnName, floatingIpPortMacAddress, dpnId, tx);
                vpnManager.addArpResponderFlowsToExternalNetworkIps(routerUuid, Collections.singleton(externalIp), floatingIpPortMacAddress, dpnId, networkId, tx);
            });
            return JdkFutureAdapters.listenInPoolThread(future1);
        } else {
            String errMsg = String.format("onAddFloatingIp : Could not retrieve the label for prefix %s " + "in VPN %s, %s", externalIp, vpnName, result.getErrors());
            LOG.error(errMsg);
            return Futures.immediateFailedFuture(new RuntimeException(errMsg));
        }
    }, MoreExecutors.directExecutor());
    Futures.addCallback(future, new FutureCallback<RpcResult<Void>>() {

        @Override
        public void onFailure(@Nonnull Throwable error) {
            LOG.error("onAddFloatingIp : Error in generate label or fib install process", error);
        }

        @Override
        public void onSuccess(@Nonnull RpcResult<Void> result) {
            if (result.isSuccessful()) {
                LOG.info("onAddFloatingIp : Successfully installed custom FIB routes for prefix {}", externalIp);
            } else {
                LOG.error("onAddFloatingIp : Error in rpc call to create custom Fib entries for prefix {} " + "in DPN {}, {}", externalIp, dpnId, result.getErrors());
            }
        }
    }, MoreExecutors.directExecutor());
    // Handle GARP transmission
    final IpAddress extrenalAddress = IpAddressBuilder.getDefaultInstance(externalIp);
    sendGarpOnInterface(dpnId, networkId, extrenalAddress, floatingIpPortMacAddress);
}

Example 14 with NextHop

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.NextHop in project netvirt by opendaylight.

the class FibUtil method updateRoutePathForFibEntry.

/**
 * Adds or removes nextHop from routePath based on the flag nextHopAdd.
 */
public void updateRoutePathForFibEntry(String rd, String prefix, String nextHop, long label, boolean nextHopAdd, WriteTransaction writeConfigTxn) {
    LOG.debug("Updating fib entry for prefix {} with nextHop {} for rd {}.", prefix, nextHop, rd);
    InstanceIdentifier<RoutePaths> routePathId = FibHelper.buildRoutePathId(rd, prefix, nextHop);
    String routePathKey = rd + prefix + nextHop;
    synchronized (routePathKey.intern()) {
        if (nextHopAdd) {
            RoutePaths routePaths = FibHelper.buildRoutePath(nextHop, label);
            if (writeConfigTxn != null) {
                writeConfigTxn.put(LogicalDatastoreType.CONFIGURATION, routePathId, routePaths, WriteTransaction.CREATE_MISSING_PARENTS);
            } else {
                MDSALUtil.syncWrite(dataBroker, LogicalDatastoreType.CONFIGURATION, routePathId, routePaths);
            }
            LOG.debug("Added routepath with nextHop {} for prefix {} and label {}.", nextHop, prefix, label);
        } else {
            Optional<RoutePaths> routePath = MDSALUtil.read(dataBroker, LogicalDatastoreType.CONFIGURATION, routePathId);
            if (!routePath.isPresent()) {
                LOG.warn("Couldn't find RoutePath with rd {}, prefix {} and nh {} for deleting", rd, prefix, nextHop);
                return;
            }
            if (writeConfigTxn != null) {
                writeConfigTxn.delete(LogicalDatastoreType.CONFIGURATION, routePathId);
            } else {
                MDSALUtil.syncDelete(dataBroker, LogicalDatastoreType.CONFIGURATION, routePathId);
            }
            LOG.info("Removed routepath with nextHop {} for prefix {} and rd {}.", nextHop, prefix, rd);
        }
    }
}

Example 15 with NextHop

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.NextHop in project netvirt by opendaylight.

the class FibUtil method addFibEntryForRouterInterface.

@SuppressWarnings("checkstyle:IllegalCatch")
public void addFibEntryForRouterInterface(String rd, String prefix, RouterInterface routerInterface, long label, WriteTransaction writeConfigTxn) {
    if (rd == null || rd.isEmpty()) {
        LOG.error("Prefix {} not associated with vpn", prefix);
        return;
    }
    try {
        InstanceIdentifier<VrfEntry> vrfEntryId = InstanceIdentifier.builder(FibEntries.class).child(VrfTables.class, new VrfTablesKey(rd)).child(VrfEntry.class, new VrfEntryKey(prefix)).build();
        // Filling the nextHop with dummy nextHopAddress
        VrfEntry vrfEntry = FibHelper.getVrfEntryBuilder(prefix, label, FibConstants.DEFAULT_NEXTHOP_IP, RouteOrigin.LOCAL, null).addAugmentation(RouterInterface.class, routerInterface).build();
        if (writeConfigTxn != null) {
            writeConfigTxn.merge(LogicalDatastoreType.CONFIGURATION, vrfEntryId, vrfEntry, true);
        } else {
            MDSALUtil.syncUpdate(dataBroker, LogicalDatastoreType.CONFIGURATION, vrfEntryId, vrfEntry);
        }
        LOG.debug("Created vrfEntry for router-interface-prefix {} rd {} label {}", prefix, rd, label);
    } catch (Exception e) {
        LOG.error("addFibEntryForRouterInterface: prefix {} rd {} label {} error ", prefix, rd, label, e);
    }
}