Examples with BGP org.opendaylight.yang.gen.v1.http.openconfig.net.yang.policy.types.rev151009.BGP used on opensource projects

Example 11 with BGP

use of org.opendaylight.yang.gen.v1.http.openconfig.net.yang.policy.types.rev151009.BGP in project netvirt by opendaylight.

the class NatTunnelInterfaceStateListener method hndlTepAddOnNaptSwitch.

private boolean hndlTepAddOnNaptSwitch(BigInteger srcDpnId, String tunnelType, String srcTepIp, String destTepIp, String tunnelName, long routerId, Optional<Routers> routerData, String nextHopIp, Uuid vpnName, ProviderTypes extNwProvType, WriteTransaction writeFlowInvTx) {
    if (!routerData.isPresent()) {
        LOG.warn("hndlTepAddOnNaptSwitch: routerData is not present");
        return false;
    }
    Routers router = routerData.get();
    String routerName = router.getRouterName();
    LOG.debug("hndlTepAddOnNaptSwitch : SNAT -> Processing TEP add for the DPN {} having the router {} since " + "its THE NAPT switch for the TUNNEL TYPE {} b/w SRC IP {} and DST IP {} " + "and TUNNEL NAME {} ", srcDpnId, routerName, tunnelType, srcTepIp, destTepIp, tunnelName);
    Uuid networkId = router.getNetworkId();
    if (networkId == null) {
        LOG.warn("hndlTepAddOnNaptSwitch : SNAT -> Ignoring TEP add since the router {} is not associated to the " + "external network", routerName);
        return false;
    }
    LOG.debug("hndlTepAddOnNaptSwitch : SNAT -> Router {} is associated with Ext nw {}", routerId, networkId);
    Long vpnId;
    if (vpnName == null) {
        LOG.debug("hndlTepAddOnNaptSwitch : SNAT -> Internal VPN associated to router {}", routerId);
        vpnId = NatUtil.getNetworkVpnIdFromRouterId(dataBroker, routerId);
        if (vpnId == NatConstants.INVALID_ID) {
            LOG.error("hndlTepAddOnNaptSwitch : Invalid External VPN-ID returned for routerName {}", routerName);
            return false;
        }
        LOG.debug("hndlTepAddOnNaptSwitch : SNAT -> Retrieved External VPN-ID {} for router {}", vpnId, routerId);
    } else {
        LOG.debug("hndlTepAddOnNaptSwitch : SNAT -> Private BGP VPN associated to router {}", routerId);
        vpnId = NatUtil.getVpnId(dataBroker, vpnName.getValue());
        if (vpnId == null || vpnId == NatConstants.INVALID_ID) {
            LOG.error("hndlTepAddOnNaptSwitch : Invalid vpnId returned for routerName {}", routerName);
            return false;
        }
        LOG.debug("hndlTepAddOnNaptSwitch : SNAT -> Retrieved vpnId {} for router {}", vpnId, routerId);
    }
    /*1) Withdraw the old route to the external IP from the BGP which was having the
             next hop as the old TEP IP.
          2) Advertise to the BGP about the new route to the external IP having the
          new TEP IP as the next hop.
          3) Populate a new FIB entry with the next hop IP as the new TEP IP using the
          FIB manager.
        */
    // Withdraw the old route to the external IP from the BGP which was having the
    // next hop as the old TEP IP.
    final String externalVpnName = NatUtil.getAssociatedVPN(dataBroker, networkId);
    if (externalVpnName == null) {
        LOG.error("hndlTepAddOnNaptSwitch :  SNAT -> No VPN associated with ext nw {} in router {}", networkId, routerId);
        return false;
    }
    Collection<String> externalIps = NatUtil.getExternalIpsForRouter(dataBroker, routerId);
    LOG.debug("hndlTepAddOnNaptSwitch : Clearing the FIB entries but not the BGP routes");
    for (String externalIp : externalIps) {
        String rd = NatUtil.getVpnRd(dataBroker, externalVpnName);
        LOG.debug("hndlTepAddOnNaptSwitch : Removing Fib entry rd {} prefix {}", rd, externalIp);
        fibManager.removeFibEntry(rd, externalIp, null);
    }
    /*
        Advertise to the BGP about the new route to the external IP having the
        new TEP IP as the next hop.
        Populate a new FIB entry with the next hop IP as the new TEP IP using the
        FIB manager.
        */
    String rd = NatUtil.getVpnRd(dataBroker, externalVpnName);
    if (extNwProvType == null) {
        return false;
    }
    String gwMacAddress = null;
    long l3Vni = 0;
    if (extNwProvType == ProviderTypes.VXLAN) {
        // Get the External Gateway MAC Address which is Router gateway MAC address for SNAT
        gwMacAddress = NatUtil.getExtGwMacAddFromRouterName(dataBroker, routerName);
        if (gwMacAddress != null) {
            LOG.debug("hndlTepAddOnNaptSwitch : External Gateway MAC address {} found for External Router ID {}", gwMacAddress, routerId);
        } else {
            LOG.error("hndlTepAddOnNaptSwitch : No External Gateway MAC address found for External Router ID {}", routerId);
            return false;
        }
        // get l3Vni value for external VPN
        l3Vni = NatEvpnUtil.getL3Vni(dataBroker, rd);
        if (l3Vni == NatConstants.DEFAULT_L3VNI_VALUE) {
            LOG.debug("hndlTepAddOnNaptSwitch : L3VNI value is not configured in Internet VPN {} and RD {} " + "Carve-out L3VNI value from OpenDaylight VXLAN VNI Pool and continue to installing " + "NAT flows", vpnName, rd);
            l3Vni = NatOverVxlanUtil.getInternetVpnVni(idManager, externalVpnName, routerId).longValue();
        }
    }
    for (final String externalIp : externalIps) {
        long serviceId = 0;
        String fibExternalIp = NatUtil.validateAndAddNetworkMask(externalIp);
        if (extNwProvType == ProviderTypes.VXLAN) {
            LOG.debug("hndlTepAddOnNaptSwitch : SNAT -> Advertise the route to the externalIp {} " + "having nextHopIp {}", externalIp, nextHopIp);
            NatEvpnUtil.addRoutesForVxLanProvType(dataBroker, bgpManager, fibManager, externalVpnName, rd, externalIp, nextHopIp, l3Vni, tunnelName, gwMacAddress, writeFlowInvTx, RouteOrigin.STATIC, srcDpnId);
            serviceId = l3Vni;
        } else {
            Long label = externalRouterListner.checkExternalIpLabel(routerId, externalIp);
            if (label == null || label == NatConstants.INVALID_ID) {
                LOG.error("hndlTepAddOnNaptSwitch : SNAT->Unable to advertise to the DC GW " + "since label is invalid");
                return false;
            }
            LOG.debug("hndlTepAddOnNaptSwitch : SNAT -> Advertise the route to the externalIp {} " + "having nextHopIp {}", externalIp, nextHopIp);
            long l3vni = 0;
            if (NatUtil.isOpenStackVniSemanticsEnforcedForGreAndVxlan(elanManager, extNwProvType)) {
                l3vni = NatOverVxlanUtil.getInternetVpnVni(idManager, externalVpnName, l3vni).longValue();
            }
            Uuid externalSubnetId = NatUtil.getExternalSubnetForRouterExternalIp(externalIp, router);
            NatUtil.addPrefixToBGP(dataBroker, bgpManager, fibManager, externalVpnName, rd, externalSubnetId, fibExternalIp, nextHopIp, networkId.getValue(), null, /* mac-address */
            label, l3vni, RouteOrigin.STATIC, srcDpnId);
            serviceId = label;
        }
        LOG.debug("hndlTepAddOnNaptSwitch: SNAT -> Install custom FIB routes " + "(Table 21 -> Push MPLS label to Tunnel port");
        List<Instruction> customInstructions = new ArrayList<>();
        int customInstructionIndex = 0;
        long externalSubnetVpnId = NatUtil.getExternalSubnetVpnIdForRouterExternalIp(dataBroker, externalIp, router);
        if (externalSubnetVpnId != NatConstants.INVALID_ID) {
            LOG.debug("hndlTepAddOnNaptSwitch : Will install custom FIB router with external subnet VPN ID {}", externalSubnetVpnId);
            BigInteger subnetIdMetaData = MetaDataUtil.getVpnIdMetadata(externalSubnetVpnId);
            customInstructions.add(new InstructionWriteMetadata(subnetIdMetaData, MetaDataUtil.METADATA_MASK_VRFID).buildInstruction(customInstructionIndex));
            customInstructionIndex++;
        }
        customInstructions.add(new InstructionGotoTable(NwConstants.INBOUND_NAPT_TABLE).buildInstruction(customInstructionIndex));
        CreateFibEntryInput input = new CreateFibEntryInputBuilder().setVpnName(externalVpnName).setSourceDpid(srcDpnId).setInstruction(customInstructions).setIpAddress(fibExternalIp).setServiceId(serviceId).setInstruction(customInstructions).build();
        Future<RpcResult<Void>> future = fibRpcService.createFibEntry(input);
        ListenableFuture<RpcResult<Void>> listenableFuture = JdkFutureAdapters.listenInPoolThread(future);
        Futures.addCallback(listenableFuture, new FutureCallback<RpcResult<Void>>() {

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

            @Override
            public void onSuccess(@Nonnull RpcResult<Void> result) {
                if (result.isSuccessful()) {
                    LOG.info("hndlTepAddOnNaptSwitch : SNAT -> Successfully installed custom FIB routes " + "for prefix {}", externalIp);
                } else {
                    LOG.error("hndlTepAddOnNaptSwitch : SNAT -> Error in rpc call to create custom Fib entries " + "for prefix {} in DPN {}, {}", externalIp, srcDpnId, result.getErrors());
                }
            }
        }, MoreExecutors.directExecutor());
    }
    return true;
}

Example 12 with BGP

use of org.opendaylight.yang.gen.v1.http.openconfig.net.yang.policy.types.rev151009.BGP in project netvirt by opendaylight.

the class RouterDpnChangeListener method add.

@Override
protected void add(final InstanceIdentifier<DpnVpninterfacesList> identifier, final DpnVpninterfacesList dpnInfo) {
    LOG.trace("add : key: {}, value: {}", dpnInfo.getKey(), dpnInfo);
    final String routerUuid = identifier.firstKeyOf(RouterDpnList.class).getRouterId();
    BigInteger dpnId = dpnInfo.getDpnId();
    // check router is associated to external network
    InstanceIdentifier<Routers> id = NatUtil.buildRouterIdentifier(routerUuid);
    Optional<Routers> routerData = SingleTransactionDataBroker.syncReadOptionalAndTreatReadFailedExceptionAsAbsentOptional(dataBroker, LogicalDatastoreType.CONFIGURATION, id);
    if (routerData.isPresent()) {
        Routers router = routerData.get();
        Uuid networkId = router.getNetworkId();
        if (networkId != null) {
            if (natMode == NatMode.Conntrack) {
                BigInteger naptSwitch = NatUtil.getPrimaryNaptfromRouterName(dataBroker, router.getRouterName());
                if (naptSwitch == null || naptSwitch.equals(BigInteger.ZERO)) {
                    LOG.warn("add : NAPT switch is not selected.");
                    return;
                }
                // If it is for NAPT switch skip as the flows would be already programmed.
                if (naptSwitch.equals(dpnId)) {
                    LOG.debug("Skipping the notification recived for NAPT switch {}", routerUuid);
                    return;
                }
                natServiceManager.notify(router, naptSwitch, dpnId, SnatServiceManager.Action.SNAT_ROUTER_ENBL);
            } else {
                coordinator.enqueueJob(NatConstants.NAT_DJC_PREFIX + dpnInfo.getKey(), () -> {
                    WriteTransaction writeFlowInvTx = dataBroker.newWriteOnlyTransaction();
                    WriteTransaction removeFlowInvTx = dataBroker.newWriteOnlyTransaction();
                    LOG.debug("add : Router {} is associated with ext nw {}", routerUuid, networkId);
                    Uuid vpnName = NatUtil.getVpnForRouter(dataBroker, routerUuid);
                    Long routerId = NatUtil.getVpnId(dataBroker, routerUuid);
                    List<ListenableFuture<Void>> futures = new ArrayList<>();
                    if (routerId == NatConstants.INVALID_ID) {
                        LOG.error("add : Invalid routerId returned for routerName {}", routerUuid);
                        writeFlowInvTx.cancel();
                        removeFlowInvTx.cancel();
                        return futures;
                    }
                    extNetGroupInstaller.installExtNetGroupEntries(networkId, dpnId);
                    Long vpnId;
                    if (vpnName == null) {
                        LOG.debug("add : Internal vpn associated to router {}", routerUuid);
                        vpnId = routerId;
                        if (vpnId == NatConstants.INVALID_ID) {
                            LOG.error("add : Invalid vpnId returned for routerName {}", routerUuid);
                            writeFlowInvTx.cancel();
                            removeFlowInvTx.cancel();
                            return futures;
                        }
                        LOG.debug("add : Retrieved vpnId {} for router {}", vpnId, routerUuid);
                        // Install default entry in FIB to SNAT table
                        LOG.info("add : Installing default route in FIB on dpn {} for router {} with vpn {}", dpnId, routerUuid, vpnId);
                        installDefaultNatRouteForRouterExternalSubnets(dpnId, NatUtil.getExternalSubnetIdsFromExternalIps(router.getExternalIps()));
                        snatDefaultRouteProgrammer.installDefNATRouteInDPN(dpnId, vpnId, writeFlowInvTx);
                    } else {
                        LOG.debug("add : External BGP vpn associated to router {}", routerUuid);
                        vpnId = NatUtil.getVpnId(dataBroker, vpnName.getValue());
                        if (vpnId == NatConstants.INVALID_ID) {
                            LOG.error("add : Invalid vpnId returned for routerName {}", routerUuid);
                            writeFlowInvTx.cancel();
                            removeFlowInvTx.cancel();
                            return futures;
                        }
                        LOG.debug("add : Retrieved vpnId {} for router {}", vpnId, routerUuid);
                        // Install default entry in FIB to SNAT table
                        LOG.debug("add : Installing default route in FIB on dpn {} for routerId {} with " + "vpnId {}...", dpnId, routerUuid, vpnId);
                        installDefaultNatRouteForRouterExternalSubnets(dpnId, NatUtil.getExternalSubnetIdsFromExternalIps(router.getExternalIps()));
                        snatDefaultRouteProgrammer.installDefNATRouteInDPN(dpnId, vpnId, routerId, writeFlowInvTx);
                    }
                    if (router.isEnableSnat()) {
                        LOG.info("add : SNAT enabled for router {}", routerUuid);
                        ProviderTypes extNwProvType = NatEvpnUtil.getExtNwProvTypeFromRouterName(dataBroker, routerUuid, networkId);
                        if (extNwProvType == null) {
                            LOG.error("add : External Network Provider Type missing");
                            writeFlowInvTx.cancel();
                            removeFlowInvTx.cancel();
                            return futures;
                        }
                        handleSNATForDPN(dpnId, routerUuid, routerId, vpnId, writeFlowInvTx, removeFlowInvTx, extNwProvType);
                    } else {
                        LOG.info("add : SNAT is not enabled for router {} to handle addDPN event {}", routerUuid, dpnId);
                    }
                    futures.add(NatUtil.waitForTransactionToComplete(writeFlowInvTx));
                    futures.add(NatUtil.waitForTransactionToComplete(removeFlowInvTx));
                    return futures;
                }, NatConstants.NAT_DJC_MAX_RETRIES);
            }
        // end of controller based SNAT
        }
    } else {
        LOG.debug("add : Router {} is not associated with External network", routerUuid);
    }
}

Example 13 with BGP

use of org.opendaylight.yang.gen.v1.http.openconfig.net.yang.policy.types.rev151009.BGP in project netvirt by opendaylight.

the class RouterPortsListener method add.

@Override
protected void add(final InstanceIdentifier<RouterPorts> identifier, final RouterPorts routerPorts) {
    LOG.trace("add : key:{}  value:{}", routerPorts.getKey(), routerPorts);
    Optional<RouterPorts> optRouterPorts = SingleTransactionDataBroker.syncReadOptionalAndTreatReadFailedExceptionAsAbsentOptional(dataBroker, LogicalDatastoreType.OPERATIONAL, identifier);
    if (optRouterPorts.isPresent()) {
        RouterPorts ports = optRouterPorts.get();
        String routerName = ports.getRouterId();
        MDSALUtil.syncUpdate(dataBroker, LogicalDatastoreType.OPERATIONAL, identifier, new RouterPortsBuilder().setKey(new RouterPortsKey(routerName)).setRouterId(routerName).setExternalNetworkId(routerPorts.getExternalNetworkId()).build());
    } else {
        String routerName = routerPorts.getRouterId();
        MDSALUtil.syncWrite(dataBroker, LogicalDatastoreType.OPERATIONAL, identifier, new RouterPortsBuilder().setKey(new RouterPortsKey(routerName)).setRouterId(routerName).setExternalNetworkId(routerPorts.getExternalNetworkId()).build());
    }
    // Check if the router is associated with any BGP VPN and update the association
    String routerName = routerPorts.getRouterId();
    Uuid vpnName = NatUtil.getVpnForRouter(dataBroker, routerName);
    if (vpnName != null) {
        InstanceIdentifier<Routermapping> routerMappingId = NatUtil.getRouterVpnMappingId(routerName);
        Optional<Routermapping> optRouterMapping = SingleTransactionDataBroker.syncReadOptionalAndTreatReadFailedExceptionAsAbsentOptional(dataBroker, LogicalDatastoreType.OPERATIONAL, routerMappingId);
        if (!optRouterMapping.isPresent()) {
            Long vpnId = NatUtil.getVpnId(dataBroker, vpnName.getValue());
            LOG.debug("add : Updating router {} to VPN {} association with Id {}", routerName, vpnName, vpnId);
            Routermapping routerMapping = new RoutermappingBuilder().setKey(new RoutermappingKey(routerName)).setRouterName(routerName).setVpnName(vpnName.getValue()).setVpnId(vpnId).build();
            MDSALUtil.syncWrite(dataBroker, LogicalDatastoreType.OPERATIONAL, routerMappingId, routerMapping);
        }
    }
}

Example 14 with BGP

use of org.opendaylight.yang.gen.v1.http.openconfig.net.yang.policy.types.rev151009.BGP in project netvirt by opendaylight.

the class FloatingIPListener method addOrDelDefaultFibRouteForDnat.

private void addOrDelDefaultFibRouteForDnat(BigInteger dpnId, String routerName, long routerId, WriteTransaction tx, boolean create) {
    Boolean wrTxPresent = true;
    if (tx == null) {
        wrTxPresent = false;
        tx = dataBroker.newWriteOnlyTransaction();
    }
    // Check if the router to bgp-vpn association is present
    long associatedVpnId = NatConstants.INVALID_ID;
    Uuid associatedVpn = NatUtil.getVpnForRouter(dataBroker, routerName);
    if (associatedVpn != null) {
        associatedVpnId = NatUtil.getVpnId(dataBroker, associatedVpn.getValue());
    }
    if (create) {
        if (associatedVpnId != NatConstants.INVALID_ID) {
            LOG.debug("addOrDelDefaultFibRouteForDnat: Install NAT default route on DPN {} for the router {} with " + "vpn-id {}", dpnId, routerName, associatedVpnId);
            defaultRouteProgrammer.installDefNATRouteInDPN(dpnId, associatedVpnId, routerId, tx);
        } else {
            LOG.debug("addOrDelDefaultFibRouteForDnat: Install NAT default route on DPN {} for the router {} with " + "vpn-id {}", dpnId, routerName, routerId);
            defaultRouteProgrammer.installDefNATRouteInDPN(dpnId, routerId, tx);
        }
    } else {
        if (associatedVpnId != NatConstants.INVALID_ID) {
            LOG.debug("addOrDelDefaultFibRouteForDnat: Remove NAT default route on DPN {} for the router {} " + "with vpn-id {}", dpnId, routerName, associatedVpnId);
            defaultRouteProgrammer.removeDefNATRouteInDPN(dpnId, associatedVpnId, routerId, tx);
        } else {
            LOG.debug("addOrDelDefaultFibRouteForDnat: Remove NAT default route on DPN {} for the router {} " + "with vpn-id {}", dpnId, routerName, routerId);
            defaultRouteProgrammer.removeDefNATRouteInDPN(dpnId, routerId, tx);
        }
    }
    if (!wrTxPresent) {
        tx.submit();
    }
}

Example 15 with BGP

use of org.opendaylight.yang.gen.v1.http.openconfig.net.yang.policy.types.rev151009.BGP in project netvirt by opendaylight.

the class FloatingIPListener method createNATFlowEntries.

void createNATFlowEntries(String interfaceName, final InternalToExternalPortMap mapping, final InstanceIdentifier<RouterPorts> portIid, final String routerName, WriteTransaction writeFlowInvTx) {
    if (!validateIpMapping(mapping)) {
        LOG.error("createNATFlowEntries : Not a valid ip addresses in the mapping {}", mapping);
        return;
    }
    // Get the DPN on which this interface resides
    BigInteger dpnId = NatUtil.getDpnForInterface(interfaceManager, interfaceName);
    if (dpnId.equals(BigInteger.ZERO)) {
        LOG.warn("createNATFlowEntries : No DPN for interface {}. NAT flow entries for ip mapping {} will " + "not be installed", interfaceName, mapping);
        return;
    }
    long routerId = NatUtil.getVpnId(dataBroker, routerName);
    if (routerId == NatConstants.INVALID_ID) {
        LOG.error("createNATFlowEntries : Could not retrieve router id for {} to create NAT Flow entries", routerName);
        return;
    }
    // Check if the router to vpn association is present
    // long associatedVpnId = NatUtil.getAssociatedVpn(dataBroker, routerName);
    Uuid associatedVpn = NatUtil.getVpnForRouter(dataBroker, routerName);
    long associatedVpnId = NatConstants.INVALID_ID;
    if (associatedVpn == null) {
        LOG.debug("createNATFlowEntries : Router {} is not assicated with any BGP VPN instance", routerName);
    } else {
        LOG.debug("createNATFlowEntries : Router {} is associated with VPN Instance with Id {}", routerName, associatedVpn);
        associatedVpnId = NatUtil.getVpnId(dataBroker, associatedVpn.getValue());
        LOG.debug("createNATFlowEntries : vpninstance Id is {} for VPN {}", associatedVpnId, associatedVpn);
    // routerId = associatedVpnId;
    }
    Uuid extNwId = getExtNetworkId(portIid, LogicalDatastoreType.CONFIGURATION);
    if (extNwId == null) {
        LOG.error("createNATFlowEntries : External network associated with interface {} could not be retrieved", interfaceName);
        return;
    }
    long vpnId = getVpnId(extNwId, mapping.getExternalId());
    if (vpnId < 0) {
        LOG.error("createNATFlowEntries : No VPN associated with Ext nw {}. Unable to create SNAT table entry " + "for fixed ip {}", extNwId, mapping.getInternalIp());
        return;
    }
    // Install the DNAT default FIB flow L3_FIB_TABLE (21) -> PSNAT_TABLE (26) if SNAT is disabled
    boolean isSnatEnabled = NatUtil.isSnatEnabledForRouterId(dataBroker, routerName);
    if (!isSnatEnabled) {
        addOrDelDefaultFibRouteForDnat(dpnId, routerName, routerId, writeFlowInvTx, true);
    }
    // Create the DNAT and SNAT table entries
    createDNATTblEntry(dpnId, mapping, routerId, associatedVpnId, writeFlowInvTx);
    createSNATTblEntry(dpnId, mapping, vpnId, routerId, associatedVpnId, extNwId, writeFlowInvTx);
    floatingIPHandler.onAddFloatingIp(dpnId, routerName, routerId, extNwId, interfaceName, mapping, writeFlowInvTx);
}