Examples with ExternalIps org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.natservice.rev160111.ext.routers.routers.ExternalIps used on opensource projects

Example 6 with ExternalIps

use of org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.natservice.rev160111.ext.routers.routers.ExternalIps in project netvirt by opendaylight.

the class ExternalRoutersListener method update.

@Override
protected void update(InstanceIdentifier<Routers> identifier, Routers original, Routers update) {
    String routerName = original.getRouterName();
    Long routerId = NatUtil.getVpnId(dataBroker, routerName);
    if (routerId == NatConstants.INVALID_ID) {
        LOG.error("update : external router event - Invalid routerId for routerName {}", routerName);
        return;
    }
    // Check if its update on SNAT flag
    boolean originalSNATEnabled = original.isEnableSnat();
    boolean updatedSNATEnabled = update.isEnableSnat();
    LOG.debug("update :called with originalFlag and updatedFlag for SNAT enabled " + "as {} and {}", originalSNATEnabled, updatedSNATEnabled);
    if (natMode == NatMode.Conntrack && !upgradeState.isUpgradeInProgress()) {
        if (originalSNATEnabled != updatedSNATEnabled) {
            BigInteger primarySwitchId;
            if (originalSNATEnabled) {
                // SNAT disabled for the router
                centralizedSwitchScheduler.releaseCentralizedSwitch(update);
            } else {
                centralizedSwitchScheduler.scheduleCentralizedSwitch(update);
            }
        } else if (updatedSNATEnabled) {
            centralizedSwitchScheduler.updateCentralizedSwitch(original, update);
        }
        List<ExternalIps> originalExternalIps = original.getExternalIps();
        List<ExternalIps> updateExternalIps = update.getExternalIps();
        if (!Objects.equals(originalExternalIps, updateExternalIps)) {
            if (originalExternalIps == null || originalExternalIps.isEmpty()) {
                centralizedSwitchScheduler.scheduleCentralizedSwitch(update);
            }
        }
    } else {
        /* Get Primary Napt Switch for existing router from "router-to-napt-switch" DS.
             * if dpnId value is null or zero then go for electing new Napt switch for existing router.
             */
        long bgpVpnId = NatConstants.INVALID_ID;
        Uuid bgpVpnUuid = NatUtil.getVpnForRouter(dataBroker, routerName);
        if (bgpVpnUuid != null) {
            bgpVpnId = NatUtil.getVpnId(dataBroker, bgpVpnUuid.getValue());
        }
        BigInteger dpnId = getPrimaryNaptSwitch(routerName);
        if (dpnId == null || dpnId.equals(BigInteger.ZERO)) {
            // Router has no interface attached
            return;
        }
        final long finalBgpVpnId = bgpVpnId;
        coordinator.enqueueJob(NatConstants.NAT_DJC_PREFIX + update.getKey(), () -> {
            WriteTransaction writeFlowInvTx = dataBroker.newWriteOnlyTransaction();
            WriteTransaction removeFlowInvTx = dataBroker.newWriteOnlyTransaction();
            Uuid networkId = original.getNetworkId();
            if (originalSNATEnabled != updatedSNATEnabled) {
                if (originalSNATEnabled) {
                    // SNAT disabled for the router
                    Uuid networkUuid = original.getNetworkId();
                    LOG.info("update : SNAT disabled for Router {}", routerName);
                    Collection<String> externalIps = NatUtil.getExternalIpsForRouter(dataBroker, routerId);
                    handleDisableSnat(original, networkUuid, externalIps, false, null, dpnId, routerId, removeFlowInvTx);
                } else {
                    LOG.info("update : SNAT enabled for Router {}", original.getRouterName());
                    handleEnableSnat(original, routerId, dpnId, finalBgpVpnId, removeFlowInvTx);
                }
            }
            if (!Objects.equals(original.getExtGwMacAddress(), update.getExtGwMacAddress())) {
                NatUtil.installRouterGwFlows(dataBroker, vpnManager, original, dpnId, NwConstants.DEL_FLOW);
                NatUtil.installRouterGwFlows(dataBroker, vpnManager, update, dpnId, NwConstants.ADD_FLOW);
            }
            // Check if the Update is on External IPs
            LOG.debug("update : Checking if this is update on External IPs");
            List<String> originalExternalIps = NatUtil.getIpsListFromExternalIps(original.getExternalIps());
            List<String> updatedExternalIps = NatUtil.getIpsListFromExternalIps(update.getExternalIps());
            // Check if the External IPs are added during the update.
            Set<String> addedExternalIps = new HashSet<>(updatedExternalIps);
            addedExternalIps.removeAll(originalExternalIps);
            if (addedExternalIps.size() != 0) {
                LOG.debug("update : Start processing of the External IPs addition during the update operation");
                vpnManager.addArpResponderFlowsToExternalNetworkIps(routerName, addedExternalIps, update.getExtGwMacAddress(), dpnId, update.getNetworkId(), null);
                for (String addedExternalIp : addedExternalIps) {
                    /*
                        1) Do nothing in the IntExtIp model.
                        2) Initialise the count of the added external IP to 0 in the ExternalCounter model.
                     */
                    String[] externalIpParts = NatUtil.getExternalIpAndPrefix(addedExternalIp);
                    String externalIp = externalIpParts[0];
                    String externalIpPrefix = externalIpParts[1];
                    String externalpStr = externalIp + "/" + externalIpPrefix;
                    LOG.debug("update : Initialise the count mapping of the external IP {} for the " + "router ID {} in the ExternalIpsCounter model.", externalpStr, routerId);
                    naptManager.initialiseNewExternalIpCounter(routerId, externalpStr);
                }
                LOG.debug("update : End processing of the External IPs addition during the update operation");
            }
            // Check if the External IPs are removed during the update.
            Set<String> removedExternalIps = new HashSet<>(originalExternalIps);
            removedExternalIps.removeAll(updatedExternalIps);
            if (removedExternalIps.size() > 0) {
                LOG.debug("update : Start processing of the External IPs removal during the update operation");
                vpnManager.removeArpResponderFlowsToExternalNetworkIps(routerName, removedExternalIps, original.getExtGwMacAddress(), dpnId, networkId);
                for (String removedExternalIp : removedExternalIps) {
                    /*
                        1) Remove the mappings in the IntExt IP model which has external IP.
                        2) Remove the external IP in the ExternalCounter model.
                        3) For the corresponding subnet IDs whose external IP mapping was removed, allocate one of the
                           least loaded external IP.
                           Store the subnet IP and the reallocated external IP mapping in the IntExtIp model.
                        4) Increase the count of the allocated external IP by one.
                        5) Advertise to the BGP if external IP is allocated for the first time for the router
                         i.e. the route for the external IP is absent.
                        6) Remove the NAPT translation entries from Inbound and Outbound NAPT tables for
                         the removed external IPs and also from the model.
                        7) Advertise to the BGP for removing the route for the removed external IPs.
                     */
                    String[] externalIpParts = NatUtil.getExternalIpAndPrefix(removedExternalIp);
                    String externalIp = externalIpParts[0];
                    String externalIpPrefix = externalIpParts[1];
                    String externalIpAddrStr = externalIp + "/" + externalIpPrefix;
                    LOG.debug("update : Clear the routes from the BGP and remove the FIB and TS " + "entries for removed external IP {}", externalIpAddrStr);
                    Uuid vpnUuId = NatUtil.getVpnIdfromNetworkId(dataBroker, networkId);
                    String vpnName = "";
                    if (vpnUuId != null) {
                        vpnName = vpnUuId.getValue();
                    }
                    clrRtsFromBgpAndDelFibTs(dpnId, routerId, externalIpAddrStr, vpnName, networkId, update.getExtGwMacAddress(), removeFlowInvTx);
                    LOG.debug("update : Remove the mappings in the IntExtIP model which has external IP.");
                    // Get the internal IPs which are associated to the removed external IPs
                    List<IpMap> ipMaps = naptManager.getIpMapList(dataBroker, routerId);
                    List<String> removedInternalIps = new ArrayList<>();
                    for (IpMap ipMap : ipMaps) {
                        if (ipMap.getExternalIp().equals(externalIpAddrStr)) {
                            removedInternalIps.add(ipMap.getInternalIp());
                        }
                    }
                    LOG.debug("update : Remove the mappings of the internal IPs from the IntExtIP model.");
                    for (String removedInternalIp : removedInternalIps) {
                        LOG.debug("update : Remove the IP mapping of the internal IP {} for the " + "router ID {} from the IntExtIP model", removedInternalIp, routerId);
                        naptManager.removeFromIpMapDS(routerId, removedInternalIp);
                    }
                    LOG.debug("update : Remove the count mapping of the external IP {} for the " + "router ID {} from the ExternalIpsCounter model.", externalIpAddrStr, routerId);
                    naptManager.removeExternalIpCounter(routerId, externalIpAddrStr);
                    LOG.debug("update : Allocate the least loaded external IPs to the subnets " + "whose external IPs were removed.");
                    for (String removedInternalIp : removedInternalIps) {
                        allocateExternalIp(dpnId, update, routerId, routerName, networkId, removedInternalIp, writeFlowInvTx);
                    }
                    LOG.debug("update : Remove the NAPT translation entries from " + "Inbound and Outbound NAPT tables for the removed external IPs.");
                    // Get the internalIP and internal Port which were associated to the removed external IP.
                    List<Integer> externalPorts = new ArrayList<>();
                    Map<ProtocolTypes, List<String>> protoTypesIntIpPortsMap = new HashMap<>();
                    InstanceIdentifier<IpPortMapping> ipPortMappingId = InstanceIdentifier.builder(IntextIpPortMap.class).child(IpPortMapping.class, new IpPortMappingKey(routerId)).build();
                    Optional<IpPortMapping> ipPortMapping = MDSALUtil.read(dataBroker, LogicalDatastoreType.CONFIGURATION, ipPortMappingId);
                    if (ipPortMapping.isPresent()) {
                        List<IntextIpProtocolType> intextIpProtocolTypes = ipPortMapping.get().getIntextIpProtocolType();
                        for (IntextIpProtocolType intextIpProtocolType : intextIpProtocolTypes) {
                            ProtocolTypes protoType = intextIpProtocolType.getProtocol();
                            List<IpPortMap> ipPortMaps = intextIpProtocolType.getIpPortMap();
                            for (IpPortMap ipPortMap : ipPortMaps) {
                                IpPortExternal ipPortExternal = ipPortMap.getIpPortExternal();
                                if (ipPortExternal.getIpAddress().equals(externalIp)) {
                                    externalPorts.add(ipPortExternal.getPortNum());
                                    List<String> removedInternalIpPorts = protoTypesIntIpPortsMap.get(protoType);
                                    if (removedInternalIpPorts != null) {
                                        removedInternalIpPorts.add(ipPortMap.getIpPortInternal());
                                        protoTypesIntIpPortsMap.put(protoType, removedInternalIpPorts);
                                    } else {
                                        removedInternalIpPorts = new ArrayList<>();
                                        removedInternalIpPorts.add(ipPortMap.getIpPortInternal());
                                        protoTypesIntIpPortsMap.put(protoType, removedInternalIpPorts);
                                    }
                                }
                            }
                        }
                    }
                    // Remove the IP port map from the intext-ip-port-map model, which were containing
                    // the removed external IP.
                    Set<Map.Entry<ProtocolTypes, List<String>>> protoTypesIntIpPorts = protoTypesIntIpPortsMap.entrySet();
                    Map<String, List<String>> internalIpPortMap = new HashMap<>();
                    for (Map.Entry protoTypesIntIpPort : protoTypesIntIpPorts) {
                        ProtocolTypes protocolType = (ProtocolTypes) protoTypesIntIpPort.getKey();
                        List<String> removedInternalIpPorts = (List<String>) protoTypesIntIpPort.getValue();
                        for (String removedInternalIpPort : removedInternalIpPorts) {
                            // Remove the IP port map from the intext-ip-port-map model,
                            // which were containing the removed external IP
                            naptManager.removeFromIpPortMapDS(routerId, removedInternalIpPort, protocolType);
                            // Remove the IP port incomint packer map.
                            naptPacketInHandler.removeIncomingPacketMap(routerId + NatConstants.COLON_SEPARATOR + removedInternalIpPort);
                            String[] removedInternalIpPortParts = removedInternalIpPort.split(NatConstants.COLON_SEPARATOR);
                            if (removedInternalIpPortParts.length == 2) {
                                String removedInternalIp = removedInternalIpPortParts[0];
                                String removedInternalPort = removedInternalIpPortParts[1];
                                List<String> removedInternalPortsList = internalIpPortMap.get(removedInternalPort);
                                if (removedInternalPortsList != null) {
                                    removedInternalPortsList.add(removedInternalPort);
                                    internalIpPortMap.put(removedInternalIp, removedInternalPortsList);
                                } else {
                                    removedInternalPortsList = new ArrayList<>();
                                    removedInternalPortsList.add(removedInternalPort);
                                    internalIpPortMap.put(removedInternalIp, removedInternalPortsList);
                                }
                            }
                        }
                    }
                    // Delete the entry from SnatIntIpPortMap DS
                    Set<String> internalIps = internalIpPortMap.keySet();
                    for (String internalIp : internalIps) {
                        LOG.debug("update : Removing IpPort having the internal IP {} from the " + "model SnatIntIpPortMap", internalIp);
                        naptManager.removeFromSnatIpPortDS(routerId, internalIp);
                    }
                    naptManager.removeNaptPortPool(externalIp);
                    LOG.debug("update : Remove the NAPT translation entries from Inbound NAPT tables for the " + "removed external IP {}", externalIp);
                    for (Integer externalPort : externalPorts) {
                        // Remove the NAPT translation entries from Inbound NAPT table
                        naptEventHandler.removeNatFlows(dpnId, NwConstants.INBOUND_NAPT_TABLE, routerId, externalIp, externalPort);
                    }
                    Set<Map.Entry<String, List<String>>> internalIpPorts = internalIpPortMap.entrySet();
                    for (Map.Entry<String, List<String>> internalIpPort : internalIpPorts) {
                        String internalIp = internalIpPort.getKey();
                        LOG.debug("update : Remove the NAPT translation entries from Outbound NAPT tables for " + "the removed internal IP {}", internalIp);
                        List<String> internalPorts = internalIpPort.getValue();
                        for (String internalPort : internalPorts) {
                            // Remove the NAPT translation entries from Outbound NAPT table
                            naptPacketInHandler.removeIncomingPacketMap(routerId + NatConstants.COLON_SEPARATOR + internalIp + NatConstants.COLON_SEPARATOR + internalPort);
                            naptEventHandler.removeNatFlows(dpnId, NwConstants.OUTBOUND_NAPT_TABLE, routerId, internalIp, Integer.parseInt(internalPort));
                        }
                    }
                }
                LOG.debug("update : End processing of the External IPs removal during the update operation");
            }
            // Check if its Update on subnets
            LOG.debug("update : Checking if this is update on subnets");
            List<Uuid> originalSubnetIds = original.getSubnetIds();
            List<Uuid> updatedSubnetIds = update.getSubnetIds();
            Set<Uuid> addedSubnetIds = new HashSet<>(updatedSubnetIds);
            addedSubnetIds.removeAll(originalSubnetIds);
            // Check if the Subnet IDs are added during the update.
            if (addedSubnetIds.size() != 0) {
                LOG.debug("update : Start processing of the Subnet IDs addition during the update operation");
                for (Uuid addedSubnetId : addedSubnetIds) {
                    /*
                        1) Select the least loaded external IP for the subnet and store the mapping of the
                        subnet IP and the external IP in the IntExtIp model.
                        2) Increase the count of the selected external IP by one.
                        3) Advertise to the BGP if external IP is allocated for the first time for the
                        router i.e. the route for the external IP is absent.
                     */
                    String subnetIp = NatUtil.getSubnetIp(dataBroker, addedSubnetId);
                    if (subnetIp != null) {
                        allocateExternalIp(dpnId, update, routerId, routerName, networkId, subnetIp, writeFlowInvTx);
                    }
                }
                LOG.debug("update : End processing of the Subnet IDs addition during the update operation");
            }
            // Check if the Subnet IDs are removed during the update.
            Set<Uuid> removedSubnetIds = new HashSet<>(originalSubnetIds);
            removedSubnetIds.removeAll(updatedSubnetIds);
            List<ListenableFuture<Void>> futures = new ArrayList<>();
            if (removedSubnetIds.size() != 0) {
                LOG.debug("update : Start processing of the Subnet IDs removal during the update operation");
                for (Uuid removedSubnetId : removedSubnetIds) {
                    String[] subnetAddr = NatUtil.getSubnetIpAndPrefix(dataBroker, removedSubnetId);
                    if (subnetAddr != null) {
                        /*
                            1) Remove the subnet IP and the external IP in the IntExtIp map
                            2) Decrease the count of the coresponding external IP by one.
                            3) Advertise to the BGP for removing the routes of the corresponding external
                            IP if its not allocated to any other internal IP.
                        */
                        String externalIp = naptManager.getExternalIpAllocatedForSubnet(routerId, subnetAddr[0] + "/" + subnetAddr[1]);
                        if (externalIp == null) {
                            LOG.error("update : No mapping found for router ID {} and internal IP {}", routerId, subnetAddr[0]);
                            futures.add(NatUtil.waitForTransactionToComplete(writeFlowInvTx));
                            futures.add(NatUtil.waitForTransactionToComplete(removeFlowInvTx));
                            return futures;
                        }
                        naptManager.updateCounter(routerId, externalIp, false);
                        // used by any other internal ip in any router
                        if (!isExternalIpAllocated(externalIp)) {
                            LOG.debug("update : external ip is not allocated to any other " + "internal IP so proceeding to remove routes");
                            clrRtsFromBgpAndDelFibTs(dpnId, routerId, networkId, Collections.singleton(externalIp), null, update.getExtGwMacAddress(), removeFlowInvTx);
                            LOG.debug("update : Successfully removed fib entries in switch {} for " + "router {} with networkId {} and externalIp {}", dpnId, routerId, networkId, externalIp);
                        }
                        LOG.debug("update : Remove the IP mapping for the router ID {} and " + "internal IP {} external IP {}", routerId, subnetAddr[0], externalIp);
                        naptManager.removeIntExtIpMapDS(routerId, subnetAddr[0] + "/" + subnetAddr[1]);
                    }
                }
                LOG.debug("update : End processing of the Subnet IDs removal during the update operation");
            }
            futures.add(NatUtil.waitForTransactionToComplete(writeFlowInvTx));
            futures.add(NatUtil.waitForTransactionToComplete(removeFlowInvTx));
            return futures;
        }, NatConstants.NAT_DJC_MAX_RETRIES);
    }
// end of controller based SNAT
}

Example 7 with ExternalIps

use of org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.natservice.rev160111.ext.routers.routers.ExternalIps in project netvirt by opendaylight.

the class ExternalRoutersListener method removeNaptFibExternalOutputFlows.

protected void removeNaptFibExternalOutputFlows(long routerId, BigInteger dpnId, Uuid networkId, @Nonnull Collection<String> externalIps, WriteTransaction writeFlowInvTx) {
    long extVpnId = NatConstants.INVALID_ID;
    if (networkId != null) {
        Uuid vpnUuid = NatUtil.getVpnIdfromNetworkId(dataBroker, networkId);
        if (vpnUuid != null) {
            extVpnId = NatUtil.getVpnId(dataBroker, vpnUuid.getValue());
        } else {
            LOG.debug("removeNaptFibExternalOutputFlows : vpnUuid is null");
        }
    } else {
        LOG.debug("removeNaptFibExternalOutputFlows : networkId is null");
        extVpnId = NatUtil.getNetworkVpnIdFromRouterId(dataBroker, routerId);
    }
    if (extVpnId == NatConstants.INVALID_ID) {
        LOG.warn("removeNaptFibExternalOutputFlows : extVpnId not found for routerId {}", routerId);
        extVpnId = routerId;
    }
    for (String ip : externalIps) {
        String extIp = removeMaskFromIp(ip);
        String naptFlowRef = getFlowRefNaptPreFib(dpnId, NwConstants.NAPT_PFIB_TABLE, extVpnId);
        LOG.info("removeNaptFlowsFromActiveSwitch : Remove the flow in table {} for the active switch" + " with the DPN ID {} and router ID {} and IP {} flowRef {}", NwConstants.NAPT_PFIB_TABLE, dpnId, routerId, extIp, naptFlowRef);
        FlowEntity natPfibVpnFlowEntity = NatUtil.buildFlowEntity(dpnId, NwConstants.NAPT_PFIB_TABLE, naptFlowRef);
        mdsalManager.removeFlowToTx(natPfibVpnFlowEntity, writeFlowInvTx);
    }
}

Example 8 with ExternalIps

use of org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.natservice.rev160111.ext.routers.routers.ExternalIps 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 9 with ExternalIps

use of org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.natservice.rev160111.ext.routers.routers.ExternalIps in project netvirt by opendaylight.

the class NatUtil method installRouterGwFlows.

public static void installRouterGwFlows(DataBroker dataBroker, IVpnManager vpnManager, Routers router, BigInteger primarySwitchId, int addOrRemove) {
    WriteTransaction writeTx = dataBroker.newWriteOnlyTransaction();
    List<ExternalIps> externalIps = router.getExternalIps();
    List<String> externalIpsSting = new ArrayList<>();
    if (externalIps.isEmpty()) {
        LOG.error("installRouterGwFlows: setupRouterGwFlows no externalIP present");
        return;
    }
    for (ExternalIps externalIp : externalIps) {
        externalIpsSting.add(externalIp.getIpAddress());
    }
    Uuid subnetVpnName = externalIps.get(0).getSubnetId();
    if (addOrRemove == NwConstants.ADD_FLOW) {
        vpnManager.addRouterGwMacFlow(router.getRouterName(), router.getExtGwMacAddress(), primarySwitchId, router.getNetworkId(), subnetVpnName.getValue(), writeTx);
        vpnManager.addArpResponderFlowsToExternalNetworkIps(router.getRouterName(), externalIpsSting, router.getExtGwMacAddress(), primarySwitchId, router.getNetworkId(), writeTx);
    } else {
        vpnManager.removeRouterGwMacFlow(router.getRouterName(), router.getExtGwMacAddress(), primarySwitchId, router.getNetworkId(), subnetVpnName.getValue(), writeTx);
        vpnManager.removeArpResponderFlowsToExternalNetworkIps(router.getRouterName(), externalIpsSting, router.getExtGwMacAddress(), primarySwitchId, router.getNetworkId());
    }
    writeTx.submit();
}

Example 10 with ExternalIps

use of org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.natservice.rev160111.ext.routers.routers.ExternalIps in project netvirt by opendaylight.

the class NatUtil method getExternalSubnetForRouterExternalIp.

protected static Uuid getExternalSubnetForRouterExternalIp(String externalIpAddress, Routers router) {
    externalIpAddress = validateAndAddNetworkMask(externalIpAddress);
    List<ExternalIps> externalIps = router.getExternalIps();
    for (ExternalIps extIp : externalIps) {
        String extIpString = validateAndAddNetworkMask(extIp.getIpAddress());
        if (extIpString.equals(externalIpAddress)) {
            return extIp.getSubnetId();
        }
    }
    LOG.warn("getExternalSubnetForRouterExternalIp : Missing External Subnet for Ip:{}", externalIpAddress);
    return null;
}