Examples with Vpn org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.vpn.to.extraroutes.Vpn used on opensource projects

Example 56 with Vpn

use of org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.vpn.to.extraroutes.Vpn in project netvirt by opendaylight.

the class NaptSwitchHA method bestEffortDeletion.

protected void bestEffortDeletion(long routerId, String routerName, Map<String, Long> externalIpLabel, WriteTransaction removeFlowInvTx) {
    Collection<String> newExternalIps = NatUtil.getExternalIpsForRouter(dataBroker, routerId);
    if (externalIpsCache != null) {
        Set<String> removedExternalIps = new HashSet<>(externalIpsCache);
        removedExternalIps.removeAll(newExternalIps);
        if (removedExternalIps.isEmpty()) {
            LOG.info("bestEffortDeletion : No external Ip needed to be removed in bestEffortDeletion " + "method for router {}", routerName);
            return;
        }
        Uuid networkId = NatUtil.getNetworkIdFromRouterName(dataBroker, routerName);
        String vpnName = getExtNetworkVpnName(routerName, networkId);
        if (vpnName == null) {
            LOG.error("bestEffortDeletion : Vpn is not associated to externalN/w of router {}", routerName);
            return;
        }
        BigInteger naptSwitch = NatUtil.getPrimaryNaptfromRouterName(dataBroker, routerName);
        if (naptSwitch == null || naptSwitch.equals(BigInteger.ZERO)) {
            LOG.error("bestEffortDeletion : No naptSwitch is selected for router {}", routerName);
            return;
        }
        ProviderTypes extNwProvType = NatEvpnUtil.getExtNwProvTypeFromRouterName(dataBroker, routerName, networkId);
        if (extNwProvType == null) {
            return;
        }
        String gwMacAddress = NatUtil.getExtGwMacAddFromRouterName(dataBroker, routerName);
        if (gwMacAddress != null) {
            LOG.debug("bestEffortDeletion : External Gateway MAC address {} found for External Router ID {}", gwMacAddress, routerId);
        } else {
            LOG.error("bestEffortDeletion : No External Gateway MAC address found for External Router ID {}", routerId);
            return;
        }
        if (extNwProvType == ProviderTypes.VXLAN) {
            for (String externalIp : removedExternalIps) {
                externalRouterListener.clearBgpRoutes(externalIp, vpnName);
                externalRouterListener.delFibTsAndReverseTraffic(naptSwitch, routerId, externalIp, vpnName, networkId, NatConstants.DEFAULT_LABEL_VALUE, gwMacAddress, true, removeFlowInvTx);
                LOG.debug("bestEffortDeletion : Successfully removed fib entry for externalIp {} for routerId {} " + "on NAPT switch {} ", externalIp, routerId, naptSwitch);
            }
        } else {
            if (externalIpLabel == null || externalIpLabel.isEmpty()) {
                LOG.error("bestEffortDeletion : ExternalIpLabel map is empty for router {}", routerName);
                return;
            }
            Long label;
            for (String externalIp : removedExternalIps) {
                if (externalIpLabel.containsKey(externalIp)) {
                    label = externalIpLabel.get(externalIp);
                    LOG.debug("bestEffortDeletion : Label {} for ExternalIp {} for router {}", label, externalIp, routerName);
                } else {
                    LOG.debug("bestEffortDeletion : Label for ExternalIp {} is not found for router {}", externalIp, routerName);
                    continue;
                }
                externalRouterListener.clearBgpRoutes(externalIp, vpnName);
                externalRouterListener.delFibTsAndReverseTraffic(naptSwitch, routerId, externalIp, vpnName, networkId, label, gwMacAddress, true, removeFlowInvTx);
                LOG.debug("bestEffortDeletion : Successfully removed fib entries in switch {} for router {} " + "and externalIps {}", naptSwitch, routerId, externalIp);
            }
        }
    } else {
        LOG.debug("bestEffortDeletion : No external IP found for router {}", routerId);
    }
}

Example 57 with Vpn

use of org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.vpn.to.extraroutes.Vpn in project netvirt by opendaylight.

the class NaptSwitchHA method removeSnatFlowsInOldNaptSwitch.

/* This method checks the switch that gone down is a NaptSwitch for a router.
       If it is a NaptSwitch
          1) selects new NAPT switch
          2) installs nat flows in new NAPT switch
          table 21(FIB)->26(PSNAT)->group(resubmit/napttunnel)->36(Terminating)->46(outbound)->47(resubmit)->21
          3) modify the group and miss entry flow in other vSwitches pointing to newNaptSwitch
          4) Remove nat flows in oldNaptSwitch
     */
/*public void handleNaptSwitchDown(BigInteger dpnId){

        LOG.debug("handleNaptSwitchDown method is called with dpnId {}",dpnId);
        BigInteger naptSwitch;
        try {
            NaptSwitches naptSwitches = NatUtil.getNaptSwitch(dataBroker);
            if (naptSwitches == null || naptSwitches.getRouterToNaptSwitch() == null
             || naptSwitches.getRouterToNaptSwitch().isEmpty()) {
                LOG.debug("NaptSwitchDown: NaptSwitch is not allocated for none of the routers");
                return;
            }
            for (RouterToNaptSwitch routerToNaptSwitch : naptSwitches.getRouterToNaptSwitch()) {
                String routerName = routerToNaptSwitch.getRouterName();
                naptSwitch = routerToNaptSwitch.getPrimarySwitchId();
                boolean naptStatus = isNaptSwitchDown(routerName,dpnId,naptSwitch);
                if (!naptStatus) {
                    LOG.debug("NaptSwitchDown: Switch with DpnId {} is not naptSwitch for router {}",
                            dpnId, routerName);
                } else {
                    removeSnatFlowsInOldNaptSwitch(routerName,naptSwitch);
                    return;
                }
            }
        } catch (Exception ex) {
            LOG.error("Exception in handleNaptSwitchDown method {}",ex);
        }
    }*/
protected void removeSnatFlowsInOldNaptSwitch(String routerName, Long routerId, BigInteger naptSwitch, Map<String, Long> externalIpmap, WriteTransaction removeFlowInvTx) {
    // remove SNAT flows in old NAPT SWITCH
    Uuid networkId = NatUtil.getNetworkIdFromRouterName(dataBroker, routerName);
    String vpnName = getExtNetworkVpnName(routerName, networkId);
    if (vpnName == null) {
        LOG.error("removeSnatFlowsInOldNaptSwitch : Vpn is not associated to externalN/w of router {}", routerName);
        return;
    }
    ProviderTypes extNwProvType = NatEvpnUtil.getExtNwProvTypeFromRouterName(dataBroker, routerName, networkId);
    if (extNwProvType == null) {
        LOG.error("removeSnatFlowsInOldNaptSwitch : Unable to retrieve the External Network Provider Type " + "for Router {}", routerName);
        return;
    }
    if (extNwProvType == ProviderTypes.VXLAN) {
        evpnNaptSwitchHA.evpnRemoveSnatFlowsInOldNaptSwitch(routerName, routerId, vpnName, naptSwitch, removeFlowInvTx);
    } else {
        // Remove the Terminating Service table entry which forwards the packet to Outbound NAPT Table
        long tunnelId = NatUtil.getTunnelIdForNonNaptToNaptFlow(dataBroker, elanManager, idManager, routerId, routerName);
        String tsFlowRef = externalRouterListener.getFlowRefTs(naptSwitch, NwConstants.INTERNAL_TUNNEL_TABLE, tunnelId);
        FlowEntity tsNatFlowEntity = NatUtil.buildFlowEntity(naptSwitch, NwConstants.INTERNAL_TUNNEL_TABLE, tsFlowRef);
        LOG.info("removeSnatFlowsInOldNaptSwitch : Remove the flow in table {} for the old napt switch " + "with the DPN ID {} and router ID {}", NwConstants.INTERNAL_TUNNEL_TABLE, naptSwitch, routerId);
        mdsalManager.removeFlowToTx(tsNatFlowEntity, removeFlowInvTx);
    }
    if (NatUtil.isOpenStackVniSemanticsEnforcedForGreAndVxlan(elanManager, extNwProvType)) {
        // Remove the flow table 25->44 If there is no FIP Match on table 25 (PDNAT_TABLE)
        NatUtil.removePreDnatToSnatTableEntry(mdsalManager, naptSwitch, removeFlowInvTx);
    }
    // Remove the Outbound flow entry which forwards the packet to Outbound NAPT Table
    String outboundNatFlowRef = externalRouterListener.getFlowRefOutbound(naptSwitch, NwConstants.OUTBOUND_NAPT_TABLE, routerId);
    FlowEntity outboundNatFlowEntity = NatUtil.buildFlowEntity(naptSwitch, NwConstants.OUTBOUND_NAPT_TABLE, outboundNatFlowRef);
    LOG.info("Remove the flow in table {} for the old napt switch with the DPN ID {} and router ID {}", NwConstants.OUTBOUND_NAPT_TABLE, naptSwitch, routerId);
    mdsalManager.removeFlowToTx(outboundNatFlowEntity, removeFlowInvTx);
    // Remove the NAPT PFIB TABLE (47->21) which forwards the incoming packet to FIB Table matching on the
    // External Subnet Vpn Id.
    Collection<Uuid> externalSubnetIdsForRouter = NatUtil.getExternalSubnetIdsForRouter(dataBroker, routerName);
    for (Uuid externalSubnetId : externalSubnetIdsForRouter) {
        long subnetVpnId = NatUtil.getVpnId(dataBroker, externalSubnetId.getValue());
        if (subnetVpnId != -1) {
            String natPfibSubnetFlowRef = externalRouterListener.getFlowRefTs(naptSwitch, NwConstants.NAPT_PFIB_TABLE, subnetVpnId);
            FlowEntity natPfibFlowEntity = NatUtil.buildFlowEntity(naptSwitch, NwConstants.NAPT_PFIB_TABLE, natPfibSubnetFlowRef);
            mdsalManager.removeFlowToTx(natPfibFlowEntity, removeFlowInvTx);
            LOG.debug("removeSnatFlowsInOldNaptSwitch : Removed the flow in table {} with external subnet " + "Vpn Id {} as metadata on Napt Switch {}", NwConstants.NAPT_PFIB_TABLE, subnetVpnId, naptSwitch);
        }
    }
    // Remove the NAPT_PFIB_TABLE(47) flow entry forwards the packet to Fib Table for inbound traffic
    // matching on the router ID.
    String naptPFibflowRef = externalRouterListener.getFlowRefTs(naptSwitch, NwConstants.NAPT_PFIB_TABLE, routerId);
    FlowEntity naptPFibFlowEntity = NatUtil.buildFlowEntity(naptSwitch, NwConstants.NAPT_PFIB_TABLE, naptPFibflowRef);
    LOG.info("removeSnatFlowsInOldNaptSwitch : Remove the flow in table {} for the old napt switch " + "with the DPN ID {} and router ID {}", NwConstants.NAPT_PFIB_TABLE, naptSwitch, routerId);
    mdsalManager.removeFlowToTx(naptPFibFlowEntity, removeFlowInvTx);
    // Remove the NAPT_PFIB_TABLE(47) flow entry forwards the packet to Fib Table for outbound traffic
    // matching on the vpn ID.
    boolean switchSharedByRouters = false;
    Uuid extNetworkId = NatUtil.getNetworkIdFromRouterName(dataBroker, routerName);
    if (extNetworkId != null) {
        List<String> routerNamesAssociated = getRouterIdsForExtNetwork(extNetworkId);
        for (String routerNameAssociated : routerNamesAssociated) {
            if (!routerNameAssociated.equals(routerName)) {
                Long routerIdAssociated = NatUtil.getVpnId(dataBroker, routerNameAssociated);
                BigInteger naptDpn = NatUtil.getPrimaryNaptfromRouterName(dataBroker, routerNameAssociated);
                if (naptDpn != null && naptDpn.equals(naptSwitch)) {
                    LOG.debug("removeSnatFlowsInOldNaptSwitch : Napt switch {} is also acting as primary " + "for router {}", naptSwitch, routerIdAssociated);
                    switchSharedByRouters = true;
                    break;
                }
            }
        }
        if (!switchSharedByRouters) {
            Long vpnId = getVpnIdForRouter(routerId, extNetworkId);
            if (vpnId != NatConstants.INVALID_ID) {
                String naptFibflowRef = externalRouterListener.getFlowRefTs(naptSwitch, NwConstants.NAPT_PFIB_TABLE, vpnId);
                FlowEntity naptFibFlowEntity = NatUtil.buildFlowEntity(naptSwitch, NwConstants.NAPT_PFIB_TABLE, naptFibflowRef);
                LOG.info("removeSnatFlowsInOldNaptSwitch : Remove the flow in table {} for the old napt switch" + " with the DPN ID {} and vpnId {}", NwConstants.NAPT_PFIB_TABLE, naptSwitch, vpnId);
                mdsalManager.removeFlowToTx(naptFibFlowEntity, removeFlowInvTx);
            } else {
                LOG.error("removeSnatFlowsInOldNaptSwitch : Invalid vpnId retrieved for routerId {}", routerId);
                return;
            }
        }
    }
    // Remove Fib entries,tables 20->44 ,36-> 44
    String gwMacAddress = NatUtil.getExtGwMacAddFromRouterName(dataBroker, routerName);
    if (externalIpmap != null && !externalIpmap.isEmpty()) {
        for (Entry<String, Long> entry : externalIpmap.entrySet()) {
            String externalIp = entry.getKey();
            Long label = entry.getValue();
            externalRouterListener.delFibTsAndReverseTraffic(naptSwitch, routerId, externalIp, vpnName, extNetworkId, label, gwMacAddress, true, removeFlowInvTx);
            LOG.debug("removeSnatFlowsInOldNaptSwitch : Successfully removed fib entries in old naptswitch {} " + "for router {} and externalIps {} label {}", naptSwitch, routerId, externalIp, label);
        }
    } else {
        List<String> externalIps = NatUtil.getExternalIpsForRouter(dataBroker, routerName);
        if (networkId != null) {
            externalRouterListener.clearFibTsAndReverseTraffic(naptSwitch, routerId, networkId, externalIps, null, gwMacAddress, removeFlowInvTx);
            LOG.debug("removeSnatFlowsInOldNaptSwitch : Successfully removed fib entries in old naptswitch {} for " + "router {} with networkId {} and externalIps {}", naptSwitch, routerId, networkId, externalIps);
        } else {
            LOG.debug("removeSnatFlowsInOldNaptSwitch : External network not associated to router {}", routerId);
        }
        externalRouterListener.removeNaptFibExternalOutputFlows(routerId, naptSwitch, extNetworkId, externalIps, removeFlowInvTx);
    }
    // For the router ID get the internal IP , internal port and the corresponding external IP and external Port.
    IpPortMapping ipPortMapping = NatUtil.getIportMapping(dataBroker, routerId);
    if (ipPortMapping == null || ipPortMapping.getIntextIpProtocolType() == null || ipPortMapping.getIntextIpProtocolType().isEmpty()) {
        LOG.warn("removeSnatFlowsInOldNaptSwitch : No Internal Ip Port mapping associated to router {}, " + "no flows need to be removed in oldNaptSwitch {}", routerId, naptSwitch);
        return;
    }
    BigInteger cookieSnatFlow = NatUtil.getCookieNaptFlow(routerId);
    List<IntextIpProtocolType> intextIpProtocolTypes = ipPortMapping.getIntextIpProtocolType();
    for (IntextIpProtocolType intextIpProtocolType : intextIpProtocolTypes) {
        if (intextIpProtocolType.getIpPortMap() == null || intextIpProtocolType.getIpPortMap().isEmpty()) {
            LOG.debug("removeSnatFlowsInOldNaptSwitch : No {} session associated to router {}," + "no flows need to be removed in oldNaptSwitch {}", intextIpProtocolType.getProtocol(), routerId, naptSwitch);
            break;
        }
        List<IpPortMap> ipPortMaps = intextIpProtocolType.getIpPortMap();
        for (IpPortMap ipPortMap : ipPortMaps) {
            String ipPortInternal = ipPortMap.getIpPortInternal();
            String[] ipPortParts = ipPortInternal.split(":");
            if (ipPortParts.length != 2) {
                LOG.error("removeSnatFlowsInOldNaptSwitch : Unable to retrieve the Internal IP and port");
                continue;
            }
            String internalIp = ipPortParts[0];
            String internalPort = ipPortParts[1];
            // Build and remove flow in outbound NAPT table
            String switchFlowRef = NatUtil.getNaptFlowRef(naptSwitch, NwConstants.OUTBOUND_NAPT_TABLE, String.valueOf(routerId), internalIp, Integer.parseInt(internalPort));
            FlowEntity outboundNaptFlowEntity = NatUtil.buildFlowEntity(naptSwitch, NwConstants.OUTBOUND_NAPT_TABLE, cookieSnatFlow, switchFlowRef);
            LOG.info("removeSnatFlowsInOldNaptSwitch : Remove the flow in table {} for old napt switch " + "with the DPN ID {} and router ID {}", NwConstants.OUTBOUND_NAPT_TABLE, naptSwitch, routerId);
            mdsalManager.removeFlowToTx(outboundNaptFlowEntity, removeFlowInvTx);
            IpPortExternal ipPortExternal = ipPortMap.getIpPortExternal();
            if (ipPortExternal == null) {
                LOG.debug("removeSnatFlowsInOldNaptSwitch : External Ipport mapping not found for internalIp {} " + "with port {} for router {}", internalIp, internalPort, routerId);
                continue;
            }
            String externalIp = ipPortExternal.getIpAddress();
            int externalPort = ipPortExternal.getPortNum();
            // Build and remove flow in  inbound NAPT table
            switchFlowRef = NatUtil.getNaptFlowRef(naptSwitch, NwConstants.INBOUND_NAPT_TABLE, String.valueOf(routerId), externalIp, externalPort);
            FlowEntity inboundNaptFlowEntity = NatUtil.buildFlowEntity(naptSwitch, NwConstants.INBOUND_NAPT_TABLE, cookieSnatFlow, switchFlowRef);
            LOG.info("removeSnatFlowsInOldNaptSwitch : Remove the flow in table {} for old napt switch with the " + "DPN ID {} and router ID {}", NwConstants.INBOUND_NAPT_TABLE, naptSwitch, routerId);
            mdsalManager.removeFlowToTx(inboundNaptFlowEntity, removeFlowInvTx);
        }
    }
}

Example 58 with Vpn

use of org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.vpn.to.extraroutes.Vpn in project netvirt by opendaylight.

the class NaptSwitchHA method isNaptSwitchDown.

// TODO Clean up the exception handling
@SuppressWarnings("checkstyle:IllegalCatch")
public boolean isNaptSwitchDown(String routerName, Long routerId, BigInteger dpnId, BigInteger naptSwitch, Long routerVpnId, Collection<String> externalIpCache, boolean isClearBgpRts, WriteTransaction writeFlowInvTx) {
    externalIpsCache = externalIpCache;
    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 = NatUtil.getNetworkIdFromRouterName(dataBroker, routerName);
    String vpnName = getExtNetworkVpnName(routerName, networkId);
    // elect a new NaptSwitch
    naptSwitch = naptSwitchSelector.selectNewNAPTSwitch(routerName);
    if (natMode == NatMode.Conntrack) {
        Routers extRouters = NatUtil.getRoutersFromConfigDS(dataBroker, routerName);
        natServiceManager.notify(extRouters, dpnId, dpnId, SnatServiceManager.Action.SNAT_ALL_SWITCH_DISBL);
        natServiceManager.notify(extRouters, naptSwitch, naptSwitch, SnatServiceManager.Action.SNAT_ALL_SWITCH_ENBL);
    } else {
        if (naptSwitch.equals(BigInteger.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);
                        }
                    }
                } 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 (!getSwitchStatus(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.addFlowToTx(flowEntity, writeFlowInvTx);
        }
        installSnatFlows(routerName, routerId, naptSwitch, routerVpnId, writeFlowInvTx);
        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
        long groupId = NatUtil.createGroupId(NatUtil.getGroupIdKey(routerName), idManager);
        GroupEntity groupEntity = null;
        try {
            groupEntity = MDSALUtil.buildGroupEntity(naptSwitch, groupId, routerName, GroupTypes.GroupAll, Collections.emptyList());
            LOG.info("isNaptSwitchDown : Removing NAPT Group in new naptSwitch {}", naptSwitch);
            mdsalManager.removeGroup(groupEntity);
        } catch (Exception ex) {
            LOG.error("isNaptSwitchDown : Failed to remove group in new naptSwitch {}", groupEntity, ex);
        }
    }
    return true;
}

Example 59 with Vpn

use of org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.vpn.to.extraroutes.Vpn in project netvirt by opendaylight.

the class NatEvpnUtil method removeL3GwMacTableEntry.

static void removeL3GwMacTableEntry(final BigInteger dpnId, final long vpnId, final String macAddress, IMdsalApiManager mdsalManager, WriteTransaction removeFlowInvTx) {
    List<MatchInfo> matchInfo = new ArrayList<>();
    matchInfo.add(new MatchMetadata(MetaDataUtil.getVpnIdMetadata(vpnId), MetaDataUtil.METADATA_MASK_VRFID));
    matchInfo.add(new MatchEthernetSource(new MacAddress(macAddress)));
    LOG.debug("removeL3GwMacTableEntry : Remove flow table {} -> table {} for External Vpn Id = {} " + "and MacAddress = {} on DpnId = {}", NwConstants.L3_GW_MAC_TABLE, NwConstants.INBOUND_NAPT_TABLE, vpnId, macAddress, dpnId);
    // Remove the flow entry in L3_GW_MAC_TABLE
    String flowRef = NatUtil.getFlowRef(dpnId, NwConstants.L3_GW_MAC_TABLE, vpnId, macAddress);
    Flow l3GwMacTableFlowEntity = MDSALUtil.buildFlowNew(NwConstants.L3_GW_MAC_TABLE, flowRef, 21, flowRef, 0, 0, NwConstants.COOKIE_L3_GW_MAC_TABLE, matchInfo, null);
    mdsalManager.removeFlowToTx(dpnId, l3GwMacTableFlowEntity, removeFlowInvTx);
    LOG.debug("removeL3GwMacTableEntry : Successfully removed flow entity {} on DPN = {}", l3GwMacTableFlowEntity, dpnId);
}

Example 60 with Vpn

use of org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.vpn.to.extraroutes.Vpn in project netvirt by opendaylight.

the class SNATDefaultRouteProgrammer method addOrDelDefaultFibRouteToSNATForSubnet.

void addOrDelDefaultFibRouteToSNATForSubnet(Subnets subnet, String networkId, int flowAction, long vpnId) {
    String subnetId = subnet.getId().getValue();
    InstanceIdentifier<VpnInstanceOpDataEntry> networkVpnInstanceIdentifier = NatUtil.getVpnInstanceOpDataIdentifier(networkId);
    Optional<VpnInstanceOpDataEntry> networkVpnInstanceOp = SingleTransactionDataBroker.syncReadOptionalAndTreatReadFailedExceptionAsAbsentOptional(dataBroker, LogicalDatastoreType.OPERATIONAL, networkVpnInstanceIdentifier);
    if (!networkVpnInstanceOp.isPresent()) {
        LOG.debug("addOrDelDefaultFibRouteToSNATForSubnet : Cannot create/remove default FIB route to SNAT flow " + "for subnet {} vpn-instance-op-data entry for network {} does not exist", subnetId, networkId);
        return;
    }
    List<VpnToDpnList> dpnListInVpn = networkVpnInstanceOp.get().getVpnToDpnList();
    if (dpnListInVpn == null) {
        LOG.debug("addOrDelDefaultFibRouteToSNATForSubnet : Will not add/remove default NAT flow for subnet {} " + "no dpn set for vpn instance {}", subnetId, networkVpnInstanceOp.get());
        return;
    }
    for (VpnToDpnList dpn : dpnListInVpn) {
        String macAddress = NatUtil.getSubnetGwMac(dataBroker, subnet.getId(), networkId);
        extNetGroupInstaller.installExtNetGroupEntry(new Uuid(networkId), subnet.getId(), dpn.getDpnId(), macAddress);
        FlowEntity flowEntity = NatUtil.buildDefaultNATFlowEntityForExternalSubnet(dpn.getDpnId(), vpnId, subnetId, idManager);
        if (flowAction == NwConstants.ADD_FLOW || flowAction == NwConstants.MOD_FLOW) {
            LOG.info("addOrDelDefaultFibRouteToSNATForSubnet : Installing flow {} for subnetId {}," + "vpnId {} on dpn {}", flowEntity, subnetId, vpnId, dpn.getDpnId());
            mdsalManager.installFlow(flowEntity);
        } else {
            LOG.info("addOrDelDefaultFibRouteToSNATForSubnet : Removing flow for subnetId {}," + "vpnId {} with dpn {}", subnetId, vpnId, dpn);
            mdsalManager.removeFlow(flowEntity);
        }
    }
}