Examples with Nexthops org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.l3vpn.lb.nexthops.Nexthops used on opensource projects

Example 1 with Nexthops

use of org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.l3vpn.lb.nexthops.Nexthops in project netvirt by opendaylight.

the class FibUtil method removeOrUpdateNextHopInfo.

public static void removeOrUpdateNextHopInfo(BigInteger dpnId, String nextHopKey, String groupId, Nexthops nexthops, WriteTransaction tx) {
    InstanceIdentifier<Nexthops> nextHopsId = getNextHopsIdentifier(nextHopKey);
    List<String> targetDeviceIds = nexthops.getTargetDeviceId();
    targetDeviceIds.remove(dpnId.toString());
    if (targetDeviceIds.isEmpty()) {
        tx.delete(LogicalDatastoreType.OPERATIONAL, nextHopsId);
    } else {
        Nexthops nextHopsToGroupId = new NexthopsBuilder().setKey(new NexthopsKey(nextHopKey)).setNexthopKey(nextHopKey).setGroupId(groupId).setTargetDeviceId(targetDeviceIds).build();
        tx.put(LogicalDatastoreType.OPERATIONAL, nextHopsId, nextHopsToGroupId);
    }
}

Example 2 with Nexthops

use of org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.l3vpn.lb.nexthops.Nexthops in project netvirt by opendaylight.

the class NexthopManager method getVpnNexthop.

protected VpnNexthop getVpnNexthop(long vpnId, String ipAddress) {
    // check if vpn node is there
    InstanceIdentifierBuilder<VpnNexthops> idBuilder = InstanceIdentifier.builder(L3nexthop.class).child(VpnNexthops.class, new VpnNexthopsKey(vpnId));
    InstanceIdentifier<VpnNexthops> id = idBuilder.build();
    Optional<VpnNexthops> vpnNexthops = MDSALUtil.read(dataBroker, LogicalDatastoreType.OPERATIONAL, id);
    if (vpnNexthops.isPresent()) {
        // get nexthops list for vpn
        List<VpnNexthop> nexthops = vpnNexthops.get().getVpnNexthop();
        for (VpnNexthop nexthop : nexthops) {
            if (nexthop.getIpAddress().equals(ipAddress)) {
                // return nexthop
                LOG.trace("VpnNextHop : {}", nexthop);
                return nexthop;
            }
        }
    // return null if not found
    }
    return null;
}

Example 3 with Nexthops

use of org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.l3vpn.lb.nexthops.Nexthops in project netvirt by opendaylight.

the class NexthopManager method removeOrUpdateDcGwLoadBalancingGroup.

/**
 * This method is invoked when the tunnel state is removed from DS.
 * If the there is just one DC-GW left in configuration then the LB groups can be deleted.
 * Otherwise, the groups are just updated.
 */
public void removeOrUpdateDcGwLoadBalancingGroup(List<String> availableDcGws, BigInteger dpnId, String destinationIp) {
    Preconditions.checkNotNull(availableDcGws, "There are no dc-gws present");
    WriteTransaction configTx = dataBroker.newWriteOnlyTransaction();
    WriteTransaction operationalTx = dataBroker.newWriteOnlyTransaction();
    int noOfDcGws = availableDcGws.size();
    // If availableDcGws does not contain the destination Ip it means this is a configuration delete.
    if (!availableDcGws.contains(destinationIp)) {
        availableDcGws.add(destinationIp);
        Collections.sort(availableDcGws);
    }
    // TODO : Place the logic to construct all possible DC-GW combination here.
    int bucketId = availableDcGws.indexOf(destinationIp);
    Optional<DpnLbNexthops> dpnLbNextHops = fibUtil.getDpnLbNexthops(dpnId, destinationIp);
    if (!dpnLbNextHops.isPresent()) {
        return;
    }
    List<String> nextHopKeys = dpnLbNextHops.get().getNexthopKey();
    nextHopKeys.forEach(nextHopKey -> {
        Optional<Nexthops> optionalNextHops = fibUtil.getNexthops(nextHopKey);
        if (!optionalNextHops.isPresent()) {
            return;
        }
        Nexthops nexthops = optionalNextHops.get();
        final String groupId = nexthops.getGroupId();
        final long groupIdValue = Long.parseLong(groupId);
        if (noOfDcGws > 1) {
            mdsalApiManager.removeBucketToTx(dpnId, groupIdValue, bucketId, configTx);
        } else {
            Group group = MDSALUtil.buildGroup(groupIdValue, nextHopKey, GroupTypes.GroupSelect, MDSALUtil.buildBucketLists(Collections.emptyList()));
            LOG.trace("Removed LB group {} on dpn {}", group, dpnId);
            mdsalApiManager.removeGroupToTx(dpnId, group, configTx);
            removeNextHopPointer(nextHopKey);
        }
        // When the DC-GW is removed from configuration.
        if (noOfDcGws != availableDcGws.size()) {
            FibUtil.removeOrUpdateNextHopInfo(dpnId, nextHopKey, groupId, nexthops, operationalTx);
        }
    });
    FibUtil.removeDpnIdToNextHopInfo(destinationIp, dpnId, operationalTx);
    configTx.submit();
    operationalTx.submit();
    return;
}

Example 4 with Nexthops

use of org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.l3vpn.lb.nexthops.Nexthops in project netvirt by opendaylight.

the class NeutronvpnManager method checkAlarmExtraRoutes.

/**
 * This method setup or down an alarm about extra route fault.
 * When extra routes are configured, through a router, if the number of nexthops is greater than the number of
 * available RDs, then an alarm and an error is generated.<br>
 * <b>Be careful</b> the routeList could be changed.
 *
 * @param vpnId the vpnId of vpn to control.
 * @param routeList the list of router to check, it could be modified.
 */
private void checkAlarmExtraRoutes(Uuid vpnId, List<Routes> routeList) {
    if (!neutronvpnAlarm.isAlarmEnabled()) {
        LOG.debug("checkAlarmExtraRoutes is not enable for vpnId {} routeList {}", vpnId, routeList);
        return;
    }
    VpnInstance vpnInstance = neutronvpnUtils.getVpnInstance(dataBroker, vpnId);
    if (vpnInstance == null || routeList == null || routeList.isEmpty() || !neutronvpnAlarm.isAlarmEnabled()) {
        LOG.debug("checkAlarmExtraRoutes have args null as following : vpnId {} routeList {}", vpnId, routeList);
        return;
    }
    List<Routes> routesError = new ArrayList();
    for (Routes route : routeList) {
        // count  the number of nexthops for each same route.getDestingation().getValue()
        String destination = String.valueOf(route.getDestination().getValue());
        String nextHop = String.valueOf(route.getNexthop().getValue());
        List<String> nextHopList = new ArrayList();
        nextHopList.add(nextHop);
        int nbNextHops = 0;
        for (Routes routeTmp : routeList) {
            String routeDest = String.valueOf(routeTmp.getDestination().getValue());
            if (!destination.equals(routeDest)) {
                continue;
            }
            String routeNextH = String.valueOf(routeTmp.getNexthop().getValue());
            if (nextHop.equals(routeNextH)) {
                continue;
            }
            nbNextHops++;
            nextHopList.add(new String(routeTmp.getNexthop().getValue()));
        }
        final List<String> rdList = new ArrayList();
        if (vpnInstance.getIpv4Family() != null && vpnInstance.getIpv4Family().getRouteDistinguisher() != null) {
            vpnInstance.getIpv4Family().getRouteDistinguisher().stream().forEach(rd -> {
                if (rd != null) {
                    rdList.add(rd);
                }
            });
        }
        if (vpnInstance.getIpv6Family() != null && vpnInstance.getIpv6Family().getRouteDistinguisher() != null) {
            vpnInstance.getIpv6Family().getRouteDistinguisher().stream().forEach(rd -> {
                if (rd != null && !rdList.contains(rd)) {
                    rdList.add(rd);
                }
            });
        }
        // 1. VPN Instance Name
        String typeAlarm = "for vpnId: " + vpnId + " have exceeded next hops for prefixe";
        // 2. Router ID
        Uuid routerUuid = neutronvpnUtils.getRouterforVpn(vpnId);
        StringBuilder detailsAlarm = new StringBuilder("routerUuid: ");
        detailsAlarm.append(routerUuid == null ? vpnId.toString() : routerUuid.getValue());
        // 3. List of RDs associated with the VPN
        detailsAlarm.append(" List of RDs associated with the VPN: ");
        for (String s : rdList) {
            detailsAlarm.append(s);
            detailsAlarm.append(", ");
        }
        // 4. Prefix in question
        detailsAlarm.append(" for prefix: ");
        detailsAlarm.append(route.getDestination().getValue());
        // 5. List of NHs for the prefix
        detailsAlarm.append(" for nextHops: ");
        for (String s : nextHopList) {
            detailsAlarm.append(s);
            detailsAlarm.append(", ");
        }
        if (rdList.size() < nbNextHops) {
            neutronvpnAlarm.raiseNeutronvpnAlarm(typeAlarm, detailsAlarm.toString());
            LOG.error("there are too many next hops for prefixe in vpn {}", vpnId);
            routesError.add(route);
        } else {
            neutronvpnAlarm.clearNeutronvpnAlarm(typeAlarm, detailsAlarm.toString());
        }
    }
    // in routesError there are a few route raised in alarm, so they have not to be used
    routeList.removeAll(routesError);
}

Example 5 with Nexthops

use of org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.l3vpn.lb.nexthops.Nexthops in project netvirt by opendaylight.

the class VpnInterfaceManager method processVpnInterfaceAdjacencies.

@SuppressWarnings("checkstyle:IllegalCatch")
protected void processVpnInterfaceAdjacencies(BigInteger dpnId, final int lportTag, String vpnName, String primaryRd, String interfaceName, final long vpnId, WriteTransaction writeConfigTxn, WriteTransaction writeOperTxn, final WriteTransaction writeInvTxn, Interface interfaceState) {
    InstanceIdentifier<VpnInterface> identifier = VpnUtil.getVpnInterfaceIdentifier(interfaceName);
    // Read NextHops
    InstanceIdentifier<Adjacencies> path = identifier.augmentation(Adjacencies.class);
    Optional<Adjacencies> adjacencies = VpnUtil.read(dataBroker, LogicalDatastoreType.CONFIGURATION, path);
    if (!adjacencies.isPresent()) {
        addVpnInterfaceToOperational(vpnName, interfaceName, dpnId, null, /*adjacencies*/
        lportTag, null, /*gwMac*/
        writeOperTxn);
        return;
    }
    // Get the rd of the vpn instance
    String nextHopIp = null;
    try {
        nextHopIp = InterfaceUtils.getEndpointIpAddressForDPN(dataBroker, dpnId);
    } catch (Exception e) {
        LOG.error("processVpnInterfaceAdjacencies: Unable to retrieve endpoint ip address for " + "dpnId {} for vpnInterface {} vpnName {}", dpnId, interfaceName, vpnName);
    }
    List<String> nhList = new ArrayList<>();
    if (nextHopIp != null) {
        nhList.add(nextHopIp);
        LOG.debug("processVpnInterfaceAdjacencies: NextHop for interface {} on dpn {} in vpn {} is {}", interfaceName, dpnId, vpnName, nhList);
    }
    Optional<String> gwMac = Optional.absent();
    String vpnInterfaceSubnetGwMacAddress = null;
    VpnInstanceOpDataEntry vpnInstanceOpData = VpnUtil.getVpnInstanceOpData(dataBroker, primaryRd);
    Long l3vni = vpnInstanceOpData.getL3vni();
    boolean isL3VpnOverVxLan = VpnUtil.isL3VpnOverVxLan(l3vni);
    VrfEntry.EncapType encapType = isL3VpnOverVxLan ? VrfEntry.EncapType.Vxlan : VrfEntry.EncapType.Mplsgre;
    VpnPopulator registeredPopulator = L3vpnRegistry.getRegisteredPopulator(encapType);
    List<Adjacency> nextHops = adjacencies.get().getAdjacency();
    List<Adjacency> value = new ArrayList<>();
    for (Adjacency nextHop : nextHops) {
        String rd = primaryRd;
        String nexthopIpValue = nextHop.getIpAddress().split("/")[0];
        if (vpnInstanceOpData.getBgpvpnType() == VpnInstanceOpDataEntry.BgpvpnType.BGPVPNInternet && NWUtil.isIpv4Address(nexthopIpValue)) {
            String prefix = nextHop.getIpAddress() == null ? "null" : VpnUtil.getIpPrefix(nextHop.getIpAddress());
            LOG.debug("processVpnInterfaceAdjacencies: UnsupportedOperation : Not Adding prefix {} to interface {}" + " as InternetVpn has an IPV4 address {}", prefix, interfaceName, vpnName);
            continue;
        }
        if (nextHop.getAdjacencyType() == AdjacencyType.PrimaryAdjacency) {
            String prefix = VpnUtil.getIpPrefix(nextHop.getIpAddress());
            Prefixes.PrefixCue prefixCue = nextHop.isPhysNetworkFunc() ? Prefixes.PrefixCue.PhysNetFunc : Prefixes.PrefixCue.None;
            LOG.debug("processVpnInterfaceAdjacencies: Adding prefix {} to interface {} with nextHops {} on dpn {}" + " for vpn {}", prefix, interfaceName, nhList, dpnId, vpnName);
            writeOperTxn.merge(LogicalDatastoreType.OPERATIONAL, VpnUtil.getPrefixToInterfaceIdentifier(VpnUtil.getVpnId(dataBroker, vpnName), prefix), VpnUtil.getPrefixToInterface(dpnId, interfaceName, prefix, nextHop.getSubnetId(), prefixCue), true);
            final Uuid subnetId = nextHop.getSubnetId();
            String gatewayIp = nextHop.getSubnetGatewayIp();
            if (gatewayIp == null) {
                Optional<String> gatewayIpOptional = VpnUtil.getVpnSubnetGatewayIp(dataBroker, subnetId);
                if (gatewayIpOptional.isPresent()) {
                    gatewayIp = gatewayIpOptional.get();
                }
            }
            if (gatewayIp != null) {
                gwMac = getMacAddressForSubnetIp(vpnName, interfaceName, gatewayIp);
                if (gwMac.isPresent()) {
                    // A valid mac-address is available for this subnet-gateway-ip
                    // Use this for programming ARP_RESPONDER table here.  And save this
                    // info into vpnInterface operational, so it can used in VrfEntryProcessor
                    // to populate L3_GW_MAC_TABLE there.
                    arpResponderHandler.addArpResponderFlow(dpnId, lportTag, interfaceName, gatewayIp, gwMac.get());
                    vpnInterfaceSubnetGwMacAddress = gwMac.get();
                } else {
                    // A valid mac-address is not available for this subnet-gateway-ip
                    // Use the connected-mac-address to configure ARP_RESPONDER Table.
                    // Save this connected-mac-address as gateway-mac-address for the
                    // VrfEntryProcessor to use this later to populate the L3_GW_MAC_TABLE.
                    gwMac = InterfaceUtils.getMacAddressFromInterfaceState(interfaceState);
                    if (gwMac.isPresent()) {
                        VpnUtil.setupGwMacIfExternalVpn(dataBroker, mdsalManager, dpnId, interfaceName, vpnId, writeInvTxn, NwConstants.ADD_FLOW, gwMac.get());
                        arpResponderHandler.addArpResponderFlow(dpnId, lportTag, interfaceName, gatewayIp, gwMac.get());
                    } else {
                        LOG.error("processVpnInterfaceAdjacencies: Gateway MAC for subnet ID {} could not be " + "obtained, cannot create ARP responder flow for interface name {}, vpnName {}, " + "gwIp {}", subnetId, interfaceName, vpnName, gatewayIp);
                    }
                }
            } else {
                LOG.warn("processVpnInterfaceAdjacencies: Gateway IP for subnet ID {} could not be obtained, " + "cannot create ARP responder flow for interface name {}, vpnName {}", subnetId, interfaceName, vpnName);
                gwMac = InterfaceUtils.getMacAddressFromInterfaceState(interfaceState);
            }
            LOG.info("processVpnInterfaceAdjacencies: Added prefix {} to interface {} with nextHops {} on dpn {}" + " for vpn {}", prefix, interfaceName, nhList, dpnId, vpnName);
        } else {
            // Extra route adjacency
            String prefix = VpnUtil.getIpPrefix(nextHop.getIpAddress());
            String vpnPrefixKey = VpnUtil.getVpnNamePrefixKey(vpnName, prefix);
            synchronized (vpnPrefixKey.intern()) {
                java.util.Optional<String> rdToAllocate = VpnUtil.allocateRdForExtraRouteAndUpdateUsedRdsMap(dataBroker, vpnId, null, prefix, vpnName, nextHop.getNextHopIpList().get(0), dpnId);
                if (rdToAllocate.isPresent()) {
                    rd = rdToAllocate.get();
                    LOG.info("processVpnInterfaceAdjacencies: The rd {} is allocated for the extraroute {}", rd, prefix);
                } else {
                    LOG.error("processVpnInterfaceAdjacencies: No rds to allocate extraroute {}", prefix);
                    continue;
                }
            }
            LOG.info("processVpnInterfaceAdjacencies: Added prefix {} and nextHopList {} as extra-route for vpn{}" + " interface {} on dpn {}", nextHop.getIpAddress(), nextHop.getNextHopIpList(), vpnName, interfaceName, dpnId);
        }
        // Please note that primary adjacency will use a subnet-gateway-mac-address that
        // can be different from the gateway-mac-address within the VRFEntry as the
        // gateway-mac-address is a superset.
        RouteOrigin origin = nextHop.getAdjacencyType() == AdjacencyType.PrimaryAdjacency ? RouteOrigin.LOCAL : RouteOrigin.STATIC;
        L3vpnInput input = new L3vpnInput().setNextHop(nextHop).setRd(rd).setVpnName(vpnName).setInterfaceName(interfaceName).setNextHopIp(nextHopIp).setPrimaryRd(primaryRd).setSubnetGatewayMacAddress(vpnInterfaceSubnetGwMacAddress).setRouteOrigin(origin);
        Adjacency operationalAdjacency = null;
        try {
            operationalAdjacency = registeredPopulator.createOperationalAdjacency(input);
        } catch (NullPointerException e) {
            LOG.error("processVpnInterfaceAdjacencies: failed to create operational adjacency: input: {}, {}", input, e.getMessage());
            return;
        }
        if (nextHop.getAdjacencyType() != AdjacencyType.PrimaryAdjacency) {
            vpnManager.addExtraRoute(vpnName, nextHop.getIpAddress(), nextHop.getNextHopIpList().get(0), rd, vpnName, l3vni, origin, interfaceName, operationalAdjacency, encapType, writeConfigTxn);
        }
        value.add(operationalAdjacency);
    }
    AdjacenciesOp aug = VpnUtil.getVpnInterfaceOpDataEntryAugmentation(value);
    addVpnInterfaceToOperational(vpnName, interfaceName, dpnId, aug, lportTag, gwMac.isPresent() ? gwMac.get() : null, writeOperTxn);
    L3vpnInput input = new L3vpnInput().setNextHopIp(nextHopIp).setL3vni(l3vni).setPrimaryRd(primaryRd).setGatewayMac(gwMac.orNull()).setInterfaceName(interfaceName).setVpnName(vpnName).setDpnId(dpnId).setEncapType(encapType);
    for (Adjacency nextHop : aug.getAdjacency()) {
        // Adjacencies other than primary Adjacencies are handled in the addExtraRoute call above.
        if (nextHop.getAdjacencyType() == AdjacencyType.PrimaryAdjacency) {
            RouteOrigin origin = nextHop.getAdjacencyType() == AdjacencyType.PrimaryAdjacency ? RouteOrigin.LOCAL : RouteOrigin.STATIC;
            input.setNextHop(nextHop).setRd(nextHop.getVrfId()).setRouteOrigin(origin);
            registeredPopulator.populateFib(input, writeConfigTxn);
        }
    }
}