Examples with Prefix org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.graph.rev191125.graph.topology.graph.Prefix used on opensource projects

Example 76 with Prefix

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.graph.rev191125.graph.topology.graph.Prefix in project netvirt by opendaylight.

the class SubnetGwMacChangeListener method handleSubnetGwIpChange.

private void handleSubnetGwIpChange(LearntVpnVipToPort learntVpnVipToPort) {
    String macAddress = learntVpnVipToPort.getMacAddress();
    if (macAddress == null) {
        LOG.error("handleSubnetGwIpChange : Mac address is null for LearntVpnVipToPort for vpn {} prefix {}", learntVpnVipToPort.getVpnName(), learntVpnVipToPort.getPortFixedip());
        return;
    }
    String fixedIp = learntVpnVipToPort.getPortFixedip();
    if (fixedIp == null) {
        LOG.error("handleSubnetGwIpChange : Fixed ip is null for LearntVpnVipToPort for vpn {}", learntVpnVipToPort.getVpnName());
        return;
    }
    try {
        InetAddress address = InetAddress.getByName(fixedIp);
        if (address instanceof Inet6Address) {
            // TODO: Revisit when IPv6 North-South communication support is added.
            LOG.debug("handleSubnetGwIpChange : Skipping ipv6 address {}.", address);
            return;
        }
    } catch (UnknownHostException e) {
        LOG.warn("handleSubnetGwIpChange : Invalid ip address {}", fixedIp, e);
        return;
    }
    for (Uuid subnetId : nvpnManager.getSubnetIdsForGatewayIp(new IpAddress(new Ipv4Address(fixedIp)))) {
        LOG.trace("handleSubnetGwIpChange : Updating MAC resolution on vpn {} for GW ip {} to {}", learntVpnVipToPort.getVpnName(), fixedIp, macAddress);
        extNetworkInstaller.installExtNetGroupEntries(subnetId, macAddress);
    }
}

Example 77 with Prefix

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.graph.rev191125.graph.topology.graph.Prefix in project netvirt by opendaylight.

the class VpnFloatingIpHandler method onAddFloatingIp.

@Override
public void onAddFloatingIp(final Uint64 dpnId, final String routerUuid, final Uint32 routerId, final Uuid networkId, final String interfaceName, final InternalToExternalPortMap mapping, final String rd, TypedReadWriteTransaction<Configuration> confTx) {
    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;
    }
    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.
        */
    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, confTx);
        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();
    ListenableFuture<RpcResult<GenerateVpnLabelOutput>> labelFuture = vpnService.generateVpnLabel(labelInput);
    ListenableFuture<RpcResult<CreateFibEntryOutput>> future = Futures.transformAsync(labelFuture, result -> {
        if (result.isSuccessful()) {
            GenerateVpnLabelOutput output = result.getResult();
            Uint32 label = output.getLabel();
            LOG.debug("onAddFloatingIp : Generated label {} for prefix {}", label, externalIp);
            FloatingIPListener.updateOperationalDS(dataBroker, routerUuid, interfaceName, label, internalIp, externalIp);
            /*
                 * For external network of type VXLAN all packets going from VMs within the DC, towards the
                 * external gateway device via the External VXLAN Tunnel,we are setting the VXLAN Tunnel ID to
                 * the L3VNI value of VPNInstance to which the VM belongs to.
                 */
            Uint32 l3vni = Uint32.ZERO;
            if (NatUtil.isOpenStackVniSemanticsEnforcedForGreAndVxlan(elanService, provType)) {
                l3vni = natOverVxlanUtil.getInternetVpnVni(vpnName, l3vni);
            }
            String fibExternalIp = NatUtil.validateAndAddNetworkMask(externalIp);
            // Inform BGP
            NatUtil.addPrefixToBGP(dataBroker, bgpManager, fibManager, vpnName, rd, 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));
            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));
            LoggingFutures.addErrorLogging(txRunner.callWithNewReadWriteTransactionAndSubmit(CONFIGURATION, innerConfTx -> {
                makeTunnelTableEntry(vpnName, dpnId, label, instructions, innerConfTx, provType);
                makeLFibTableEntry(dpnId, label, floatingIpPortMacAddress, NwConstants.PDNAT_TABLE, innerConfTx);
            }), LOG, "Error adding tunnel or FIB table entries");
            CreateFibEntryInput input = new CreateFibEntryInputBuilder().setVpnName(vpnName).setSourceDpid(dpnId).setInstruction(customInstructions).setIpAddress(fibExternalIp).setServiceId(label).setIpAddressSource(CreateFibEntryInput.IpAddressSource.FloatingIP).setInstruction(customInstructions).build();
            // Future<RpcResult<java.lang.Void>> createFibEntry(CreateFibEntryInput input);
            ListenableFuture<RpcResult<CreateFibEntryOutput>> 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(CONFIGURATION, tx -> {
                vpnManager.addSubnetMacIntoVpnInstance(networkVpnName, subnetVpnName, floatingIpPortMacAddress, dpnId, tx);
                vpnManager.addArpResponderFlowsToExternalNetworkIps(routerUuid, Collections.singleton(externalIp), floatingIpPortMacAddress, dpnId, networkId);
            });
            return 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<CreateFibEntryOutput>>() {

        @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<CreateFibEntryOutput> 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 78 with Prefix

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.graph.rev191125.graph.topology.graph.Prefix in project netvirt by opendaylight.

the class VpnFloatingIpHandler method cleanupFibEntries.

@Override
public void cleanupFibEntries(Uint64 dpnId, String vpnName, String externalIp, Uint32 label, final String rd, TypedReadWriteTransaction<Configuration> confTx, ProviderTypes provType) {
    // Remove Prefix from BGP
    String fibExternalIp = NatUtil.validateAndAddNetworkMask(externalIp);
    NatUtil.removePrefixFromBGP(bgpManager, fibManager, rd, fibExternalIp, vpnName);
    NatUtil.deletePrefixToInterface(dataBroker, NatUtil.getVpnId(dataBroker, vpnName), fibExternalIp);
    // Remove custom FIB routes
    // Future<RpcResult<java.lang.Void>> removeFibEntry(RemoveFibEntryInput input);
    RemoveFibEntryInput input = new RemoveFibEntryInputBuilder().setVpnName(vpnName).setSourceDpid(dpnId).setIpAddress(fibExternalIp).setServiceId(label).setIpAddressSource(RemoveFibEntryInput.IpAddressSource.FloatingIP).build();
    ListenableFuture<RpcResult<RemoveFibEntryOutput>> future = fibService.removeFibEntry(input);
    ListenableFuture<RpcResult<RemoveVpnLabelOutput>> labelFuture = Futures.transformAsync(future, result -> {
        // Release label
        if (result.isSuccessful()) {
            /*  check if any floating IP information is available in vpn-to-dpn-list for given dpn id. If exist any
                 *  floating IP then do not remove INTERNAL_TUNNEL_TABLE (table=36) -> PDNAT_TABLE (table=25) flow entry
                 */
            Boolean removeTunnelFlow = Boolean.TRUE;
            if (NatUtil.isOpenStackVniSemanticsEnforcedForGreAndVxlan(elanService, provType)) {
                if (NatUtil.isFloatingIpPresentForDpn(dataBroker, dpnId, rd, vpnName, externalIp, false)) {
                    removeTunnelFlow = Boolean.FALSE;
                }
            }
            if (removeTunnelFlow) {
                removeTunnelTableEntry(dpnId, label, confTx);
            }
            removeLFibTableEntry(dpnId, label, confTx);
            RemoveVpnLabelInput labelInput = new RemoveVpnLabelInputBuilder().setVpnName(vpnName).setIpPrefix(externalIp).build();
            Future<RpcResult<RemoveVpnLabelOutput>> labelFuture1 = vpnService.removeVpnLabel(labelInput);
            if (labelFuture1.get() == null || !labelFuture1.get().isSuccessful()) {
                String errMsg = String.format("VpnFloatingIpHandler: RPC call to remove VPN label on dpn %s " + "for prefix %s failed for vpn %s - %s", dpnId, externalIp, vpnName, result.getErrors());
                LOG.error(errMsg);
                return Futures.immediateFailedFuture(new RuntimeException(errMsg));
            }
            return JdkFutureAdapters.listenInPoolThread(labelFuture1);
        } else {
            String errMsg = String.format("onRemoveFloatingIp :RPC call to remove custom FIB entries " + "on dpn %s for prefix %s Failed - %s", dpnId, externalIp, result.getErrors());
            LOG.error(errMsg);
            return Futures.immediateFailedFuture(new RuntimeException(errMsg));
        }
    }, MoreExecutors.directExecutor());
    Futures.addCallback(labelFuture, new FutureCallback<RpcResult<RemoveVpnLabelOutput>>() {

        @Override
        public void onFailure(@NonNull Throwable error) {
            LOG.error("onRemoveFloatingIp : Error in removing the label or custom fib entries", error);
        }

        @Override
        public void onSuccess(@NonNull RpcResult<RemoveVpnLabelOutput> result) {
            if (result.isSuccessful()) {
                LOG.debug("onRemoveFloatingIp : Successfully removed the label for the prefix {} from VPN {}", externalIp, vpnName);
            } else {
                LOG.error("onRemoveFloatingIp : Error in removing the label for prefix {} from VPN {}, {}", externalIp, vpnName, result.getErrors());
            }
        }
    }, MoreExecutors.directExecutor());
}

Example 79 with Prefix

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.graph.rev191125.graph.topology.graph.Prefix in project netvirt by opendaylight.

the class NaptSwitchHA method removeFibEntry.

private void removeFibEntry(String rd, String prefix) {
    InstanceIdentifier.InstanceIdentifierBuilder<VrfEntry> idBuilder = InstanceIdentifier.builder(FibEntries.class).child(VrfTables.class, new VrfTablesKey(rd)).child(VrfEntry.class, new VrfEntryKey(prefix));
    InstanceIdentifier<VrfEntry> vrfEntryId = idBuilder.build();
    Optional<VrfEntry> ent;
    try {
        ent = SingleTransactionDataBroker.syncReadOptional(dataBroker, LogicalDatastoreType.CONFIGURATION, vrfEntryId);
    } catch (ExecutionException | InterruptedException e) {
        LOG.error("removeFibEntry: Exception while reading the VrfEntry for the prefix {} rd {}", prefix, rd, e);
        return;
    }
    if (ent.isPresent()) {
        LOG.debug("removeFibEntry : Removing Fib entry rd {} prefix {}", rd, prefix);
        fibManager.removeFibEntry(rd, prefix, null, null);
    }
}

Example 80 with Prefix

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.graph.rev191125.graph.topology.graph.Prefix in project netvirt by opendaylight.

the class NaptSwitchHA method isNaptSwitchDown.

// TODO Clean up the exception handling
@SuppressWarnings("checkstyle:IllegalCatch")
public boolean isNaptSwitchDown(Routers extRouter, Uint32 routerId, Uint64 dpnId, Uint64 naptSwitch, Uint32 routerVpnId, Collection<String> externalIpCache, boolean isClearBgpRts, TypedReadWriteTransaction<Configuration> confTx) throws ExecutionException, InterruptedException {
    externalIpsCache = externalIpCache;
    String routerName = extRouter.getRouterName();
    if (!naptSwitch.equals(dpnId)) {
        LOG.debug("isNaptSwitchDown : DpnId {} is not a naptSwitch {} for Router {}", dpnId, naptSwitch, routerName);
        return false;
    }
    LOG.debug("NaptSwitch {} is down for Router {}", naptSwitch, routerName);
    if (routerId == NatConstants.INVALID_ID) {
        LOG.error("isNaptSwitchDown : Invalid routerId returned for routerName {}", routerName);
        return true;
    }
    Uuid networkId = extRouter.getNetworkId();
    String vpnName = getExtNetworkVpnName(routerName, networkId);
    // elect a new NaptSwitch
    naptSwitch = naptSwitchSelector.selectNewNAPTSwitch(routerName, Arrays.asList(naptSwitch));
    if (natMode == NatMode.Conntrack) {
        Routers extRouters = NatUtil.getRoutersFromConfigDS(dataBroker, routerName);
        natServiceManager.notify(confTx, extRouters, null, dpnId, dpnId, SnatServiceManager.Action.CNT_ROUTER_ALL_SWITCH_DISBL);
        if (extRouters.isEnableSnat()) {
            natServiceManager.notify(confTx, extRouters, null, dpnId, dpnId, SnatServiceManager.Action.SNAT_ALL_SWITCH_DISBL);
        }
        natServiceManager.notify(confTx, extRouters, null, naptSwitch, naptSwitch, SnatServiceManager.Action.CNT_ROUTER_ALL_SWITCH_ENBL);
        if (extRouters.isEnableSnat()) {
            natServiceManager.notify(confTx, extRouters, null, naptSwitch, naptSwitch, SnatServiceManager.Action.SNAT_ALL_SWITCH_ENBL);
        }
    } else {
        if (naptSwitch.equals(Uint64.ZERO)) {
            LOG.warn("isNaptSwitchDown : No napt switch is elected since all the switches for router {}" + " are down. SNAT IS NOT SUPPORTED FOR ROUTER {}", routerName, routerName);
            boolean naptUpdatedStatus = updateNaptSwitch(routerName, naptSwitch);
            if (!naptUpdatedStatus) {
                LOG.debug("isNaptSwitchDown : Failed to update naptSwitch {} for router {} in ds", naptSwitch, routerName);
            }
            // clearBgpRoutes
            if (externalIpsCache != null) {
                if (vpnName != null) {
                    // if (externalIps != null) {
                    if (isClearBgpRts) {
                        LOG.debug("isNaptSwitchDown : Clearing both FIB entries and the BGP routes");
                        for (String externalIp : externalIpsCache) {
                            externalRouterListener.clearBgpRoutes(externalIp, vpnName);
                        }
                    } else {
                        LOG.debug("isNaptSwitchDown : Clearing the FIB entries but not the BGP routes");
                        String rd = NatUtil.getVpnRd(dataBroker, vpnName);
                        for (String externalIp : externalIpsCache) {
                            LOG.debug("isNaptSwitchDown : Removing Fib entry rd {} prefix {}", rd, externalIp);
                            fibManager.removeFibEntry(rd, externalIp, null, null);
                        }
                    }
                } else {
                    LOG.debug("isNaptSwitchDown : vpn is not associated to extn/w for router {}", routerName);
                }
            } else {
                LOG.debug("isNaptSwitchDown : No ExternalIps found for subnets under router {}, " + "no bgp routes need to be cleared", routerName);
            }
            return true;
        }
        // checking elected switch health status
        if (!NatUtil.getSwitchStatus(dataBroker, naptSwitch)) {
            LOG.error("isNaptSwitchDown : Newly elected Napt switch {} for router {} is down", naptSwitch, routerName);
            return true;
        }
        LOG.debug("isNaptSwitchDown : New NaptSwitch {} is up for Router {} and can proceed for flow installation", naptSwitch, routerName);
        // update napt model for new napt switch
        boolean naptUpdated = updateNaptSwitch(routerName, naptSwitch);
        if (naptUpdated) {
            // update group of ordinary switch point to naptSwitch tunnel port
            updateNaptSwitchBucketStatus(routerName, routerId, naptSwitch);
        } else {
            LOG.error("isNaptSwitchDown : Failed to update naptSwitch model for newNaptSwitch {} for router {}", naptSwitch, routerName);
        }
        // update table26 forward packets to table46(outbound napt table)
        FlowEntity flowEntity = buildSnatFlowEntityForNaptSwitch(naptSwitch, routerName, routerVpnId, NatConstants.ADD_FLOW);
        if (flowEntity == null) {
            LOG.error("isNaptSwitchDown : Failed to populate flowentity for router {} in naptSwitch {}", routerName, naptSwitch);
        } else {
            LOG.debug("isNaptSwitchDown : Successfully installed flow in naptSwitch {} for router {}", naptSwitch, routerName);
            mdsalManager.addFlow(confTx, flowEntity);
        }
        installSnatFlows(routerName, routerId, naptSwitch, routerVpnId, networkId, vpnName, confTx);
        boolean flowInstalledStatus = handleNatFlowsInNewNaptSwitch(routerName, routerId, dpnId, naptSwitch, routerVpnId, networkId);
        if (flowInstalledStatus) {
            LOG.debug("isNaptSwitchDown :Installed all active session flows in newNaptSwitch {} for routerName {}", naptSwitch, routerName);
        } else {
            LOG.error("isNaptSwitchDown : Failed to install flows in newNaptSwitch {} for routerId {}", naptSwitch, routerId);
        }
        // remove group in new naptswitch, coz this switch acted previously as ordinary switch
        Uint32 groupId = NatUtil.getUniqueId(idManager, NatConstants.SNAT_IDPOOL_NAME, NatUtil.getGroupIdKey(routerName));
        if (groupId != NatConstants.INVALID_ID) {
            try {
                LOG.info("isNaptSwitchDown : Removing NAPT Group in new naptSwitch {}", naptSwitch);
                mdsalManager.removeGroup(confTx, naptSwitch, groupId.longValue());
            } catch (Exception ex) {
                LOG.error("isNaptSwitchDown : Failed to remove group in new naptSwitch {}", naptSwitch, ex);
            }
        } else {
            LOG.error("NAT Service : Unable to obtain groupId for router:{}", routerName);
        }
    }
    return true;
}