Examples with Routes org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.l3.rev150712.l3.attributes.Routes used on opensource projects

Example 21 with Routes

use of org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.l3.rev150712.l3.attributes.Routes in project netvirt by opendaylight.

the class EvpnVrfEntryHandler method createLocalEvpnFlows.

private List<BigInteger> createLocalEvpnFlows(long vpnId, String rd, VrfEntry vrfEntry, Prefixes localNextHopInfo) {
    List<BigInteger> returnLocalDpnId = new ArrayList<>();
    String localNextHopIP = vrfEntry.getDestPrefix();
    if (localNextHopInfo == null) {
        // Handle extra routes and imported routes
        Routes extraRoute = getVpnToExtraroute(vpnId, rd, vrfEntry.getDestPrefix());
        if (extraRoute != null) {
            for (String nextHopIp : extraRoute.getNexthopIpList()) {
                LOG.info("NextHop IP for destination {} is {}", vrfEntry.getDestPrefix(), nextHopIp);
                if (nextHopIp != null) {
                    localNextHopInfo = getFibUtil().getPrefixToInterface(vpnId, nextHopIp + "/32");
                    if (localNextHopInfo != null) {
                        localNextHopIP = nextHopIp + "/32";
                        BigInteger dpnId = checkCreateLocalEvpnFlows(localNextHopInfo, localNextHopIP, vpnId, rd, vrfEntry);
                        returnLocalDpnId.add(dpnId);
                    }
                }
            }
        }
    } else {
        LOG.info("Creating local EVPN flows for prefix {} rd {} route-paths {} evi {}.", vrfEntry.getDestPrefix(), rd, vrfEntry.getRoutePaths(), vrfEntry.getL3vni());
        BigInteger dpnId = checkCreateLocalEvpnFlows(localNextHopInfo, localNextHopIP, vpnId, rd, vrfEntry);
        returnLocalDpnId.add(dpnId);
    }
    return returnLocalDpnId;
}

Example 22 with Routes

use of org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.l3.rev150712.l3.attributes.Routes in project netvirt by opendaylight.

the class IVpnLinkServiceImpl method leakExtraRoutesToVpnEndpoint.

/*
     * Checks if there are static routes in Vpn1 whose nexthop is Vpn2's endpoint.
     * Those routes must be leaked to Vpn1.
     *
     * @param vpnLink
     * @param vpn1Uuid
     * @param vpn2Uuid
     */
private void leakExtraRoutesToVpnEndpoint(InterVpnLinkDataComposite vpnLink, String vpn1Uuid, String vpn2Uuid) {
    String vpn1Rd = VpnUtil.getVpnRd(dataBroker, vpn1Uuid);
    String vpn2Endpoint = vpnLink.getOtherEndpointIpAddr(vpn2Uuid);
    List<VrfEntry> allVpnVrfEntries = VpnUtil.getAllVrfEntries(dataBroker, vpn1Rd);
    for (VrfEntry vrfEntry : allVpnVrfEntries) {
        vrfEntry.getRoutePaths().stream().filter(routePath -> routePath.getNexthopAddress().equals(vpn2Endpoint)).forEach(routePath -> {
            // Vpn1 has a route pointing to Vpn2's endpoint. Forcing the leaking of the route will update
            // the BGP accordingly
            long label = VpnUtil.getUniqueId(idManager, VpnConstants.VPN_IDPOOL_NAME, VpnUtil.getNextHopLabelKey(vpn1Rd, vrfEntry.getDestPrefix()));
            if (label == VpnConstants.INVALID_LABEL) {
                LOG.error("Unable to fetch label from Id Manager. Bailing out of leaking extra routes for " + "InterVpnLink {} rd {} prefix {}", vpnLink.getInterVpnLinkName(), vpn1Rd, vrfEntry.getDestPrefix());
            } else {
                leakRoute(vpnLink, vpn2Uuid, vpn1Uuid, vrfEntry.getDestPrefix(), label, RouteOrigin.value(vrfEntry.getOrigin()));
            }
        });
    }
}

Example 23 with Routes

use of org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.l3.rev150712.l3.attributes.Routes in project netvirt by opendaylight.

the class IVpnLinkServiceImpl method handleStaticRoute.

/*
     * Takes care of an static route to see if flows related to interVpnLink
     * must be installed in tables 20 and 17
     *
     * @param vpnId Vpn to which the route belongs
     * @param route Route to handle. Will only be considered if its nexthop is the VPN's endpoint IpAddress
     *              at the other side of the InterVpnLink
     * @param iVpnLink
     */
@SuppressWarnings("checkstyle:IllegalCatch")
private void handleStaticRoute(String vpnId, Routes route, InterVpnLinkDataComposite ivpnLink) {
    IpAddress nhIpAddr = route.getNexthop();
    String routeNextHop = nhIpAddr.getIpv4Address() != null ? nhIpAddr.getIpv4Address().getValue() : nhIpAddr.getIpv6Address().getValue();
    String destination = String.valueOf(route.getDestination().getValue());
    // is nexthop the other endpoint's IP
    String otherEndpoint = ivpnLink.getOtherEndpoint(vpnId);
    if (!routeNextHop.equals(otherEndpoint)) {
        LOG.debug("VPN {}: Route to {} nexthop={} points to an InterVpnLink endpoint, but its not " + "the other endpoint. Other endpoint is {}", vpnId, destination, routeNextHop, otherEndpoint);
        return;
    }
    // Lets work: 1) write Fibentry, 2) advertise to BGP and 3) check if it must be leaked
    String vpnRd = VpnUtil.getVpnRd(dataBroker, vpnId);
    if (vpnRd == null) {
        LOG.warn("Could not find Route-Distinguisher for VpnName {}", vpnId);
        return;
    }
    int label = VpnUtil.getUniqueId(idManager, VpnConstants.VPN_IDPOOL_NAME, VpnUtil.getNextHopLabelKey(vpnId, destination));
    try {
        InterVpnLinkUtil.handleStaticRoute(ivpnLink, vpnId, destination, routeNextHop, label, dataBroker, fibManager, bgpManager);
    } catch (Exception e) {
        LOG.error("Exception while advertising prefix for intervpn link, {}", e);
    }
}

Example 24 with Routes

use of org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.l3.rev150712.l3.attributes.Routes in project netvirt by opendaylight.

the class InterVpnLinkListener method add.

@Override
protected void add(InstanceIdentifier<InterVpnLink> identifier, InterVpnLink add) {
    String ivpnLinkName = add.getName();
    LOG.debug("Reacting to IVpnLink {} creation. Vpn1=[name={}  EndpointIp={}]  Vpn2=[name={} endpointIP={}]", ivpnLinkName, add.getFirstEndpoint().getVpnUuid(), add.getFirstEndpoint().getIpAddress(), add.getSecondEndpoint().getVpnUuid(), add.getSecondEndpoint().getIpAddress());
    // Create VpnLink state
    InstanceIdentifier<InterVpnLinkState> vpnLinkStateIid = InterVpnLinkUtil.getInterVpnLinkStateIid(ivpnLinkName);
    InterVpnLinkState vpnLinkState = new InterVpnLinkStateBuilder().setInterVpnLinkName(ivpnLinkName).build();
    MDSALUtil.syncWrite(dataBroker, LogicalDatastoreType.CONFIGURATION, vpnLinkStateIid, vpnLinkState);
    InterVpnLinkKey key = add.getKey();
    Uuid vpn1Uuid = add.getFirstEndpoint().getVpnUuid();
    String vpn1Name = vpn1Uuid.getValue();
    Uuid vpn2Uuid = add.getSecondEndpoint().getVpnUuid();
    String vpn2Name = vpn2Uuid.getValue();
    String vpn1PrimaryRd = VpnUtil.getPrimaryRd(dataBroker, vpn1Name);
    String vpn2PrimaryRd = VpnUtil.getPrimaryRd(dataBroker, vpn1Name);
    if (!VpnUtil.isVpnPendingDelete(dataBroker, vpn1PrimaryRd) && !VpnUtil.isVpnPendingDelete(dataBroker, vpn2PrimaryRd)) {
        if (VpnUtil.getVpnInstance(this.dataBroker, vpn1Name) == null) {
            String errMsg = "InterVpnLink " + ivpnLinkName + " creation error: could not find 1st endpoint Vpn " + vpn1Name;
            setInError(vpnLinkStateIid, vpnLinkState, errMsg);
            return;
        }
        if (!checkVpnAvailability(key, vpn1Name)) {
            String errMsg = "InterVpnLink " + ivpnLinkName + " creation error: Vpn " + vpn1Name + " is already associated to an inter-vpn-link ";
            setInError(vpnLinkStateIid, vpnLinkState, errMsg);
            return;
        }
        // Second VPN
        if (VpnUtil.getVpnInstance(this.dataBroker, vpn2Name) == null) {
            String errMsg = "InterVpnLink " + ivpnLinkName + " creation error: could not find 2nd endpoint Vpn " + vpn2Name;
            setInError(vpnLinkStateIid, vpnLinkState, errMsg);
            return;
        }
        if (!checkVpnAvailability(key, vpn2Name)) {
            String errMsg = "InterVpnLink " + ivpnLinkName + " creation error: Vpn " + vpn2Name + " is already associated with an inter-vpn-link";
            setInError(vpnLinkStateIid, vpnLinkState, errMsg);
            return;
        }
        interVpnLinkCache.addInterVpnLinkToCaches(add);
        // Wait for VPN Operational data ready
        long vpn1Id = VpnUtil.getVpnId(dataBroker, vpn1Name);
        if (vpn1Id == VpnConstants.INVALID_ID) {
            boolean vpn1Ready = vpnOpDataSyncer.waitForVpnDataReady(VpnOpDataSyncer.VpnOpDataType.vpnInstanceToId, vpn1Name, VpnConstants.PER_VPN_INSTANCE_MAX_WAIT_TIME_IN_MILLISECONDS);
            if (!vpn1Ready) {
                String errMsg = "InterVpnLink " + ivpnLinkName + " creation error: Operational Data for VPN " + vpn1Name + " not ready after " + VpnConstants.PER_INTERFACE_MAX_WAIT_TIME_IN_MILLISECONDS + " milliseconds";
                setInError(vpnLinkStateIid, vpnLinkState, errMsg);
                return;
            }
        }
        long vpn2Id = VpnUtil.getVpnId(dataBroker, vpn2Name);
        if (vpn2Id == VpnConstants.INVALID_ID) {
            boolean vpn1Ready = vpnOpDataSyncer.waitForVpnDataReady(VpnOpDataSyncer.VpnOpDataType.vpnInstanceToId, vpn2Name, VpnConstants.PER_VPN_INSTANCE_MAX_WAIT_TIME_IN_MILLISECONDS);
            if (!vpn1Ready) {
                String errMsg = "InterVpnLink " + ivpnLinkName + " creation error: Operational Data for VPN " + vpn2Name + " not ready after " + VpnConstants.PER_INTERFACE_MAX_WAIT_TIME_IN_MILLISECONDS + " milliseconds";
                setInError(vpnLinkStateIid, vpnLinkState, errMsg);
                return;
            }
        }
        List<BigInteger> firstDpnList = ivpnLinkLocator.selectSuitableDpns(add);
        if (firstDpnList != null && !firstDpnList.isEmpty()) {
            List<BigInteger> secondDpnList = firstDpnList;
            Long firstVpnLportTag = allocateVpnLinkLportTag(key.getName() + vpn1Name);
            Long secondVpnLportTag = allocateVpnLinkLportTag(key.getName() + vpn2Name);
            FirstEndpointState firstEndPointState = new FirstEndpointStateBuilder().setVpnUuid(vpn1Uuid).setDpId(firstDpnList).setLportTag(firstVpnLportTag).build();
            SecondEndpointState secondEndPointState = new SecondEndpointStateBuilder().setVpnUuid(vpn2Uuid).setDpId(secondDpnList).setLportTag(secondVpnLportTag).build();
            InterVpnLinkUtil.updateInterVpnLinkState(dataBroker, ivpnLinkName, InterVpnLinkState.State.Active, firstEndPointState, secondEndPointState, interVpnLinkCache);
            // Note that in the DPN of the firstEndpoint we install the lportTag of the secondEndpoint and viceversa
            InterVpnLinkUtil.installLPortDispatcherTableFlow(dataBroker, mdsalManager, ivpnLinkName, firstDpnList, vpn2Name, secondVpnLportTag);
            InterVpnLinkUtil.installLPortDispatcherTableFlow(dataBroker, mdsalManager, ivpnLinkName, secondDpnList, vpn1Name, firstVpnLportTag);
            // Update the VPN -> DPNs Map.
            // Note: when a set of DPNs is calculated for Vpn1, these DPNs are added to the VpnToDpn map of Vpn2.
            // Why? because we do the handover from Vpn1 to Vpn2 in those DPNs, so in those DPNs we must know how
            // to reach to Vpn2 targets. If new Vpn2 targets are added later, the Fib will be maintained in these
            // DPNs even if Vpn2 is not physically present there.
            InterVpnLinkUtil.updateVpnFootprint(vpnFootprintService, vpn2Name, vpn2PrimaryRd, firstDpnList);
            InterVpnLinkUtil.updateVpnFootprint(vpnFootprintService, vpn1Name, vpn1PrimaryRd, secondDpnList);
            // Program static routes if needed
            Optional<InterVpnLinkDataComposite> interVpnLink = interVpnLinkCache.getInterVpnLinkByName(ivpnLinkName);
            ivpnLinkService.handleStaticRoutes(interVpnLink.get());
            // Now, if the corresponding flags are activated, there will be some routes exchange
            ivpnLinkService.exchangeRoutes(interVpnLink.get());
        } else {
            // If there is no connection to DPNs, the InterVpnLink is created and the InterVpnLinkState is also
            // created with the corresponding LPortTags but no DPN is assigned since there is no DPN operative.
            Long firstVpnLportTag = allocateVpnLinkLportTag(key.getName() + vpn1Name);
            Long secondVpnLportTag = allocateVpnLinkLportTag(key.getName() + vpn2Name);
            FirstEndpointState firstEndPointState = new FirstEndpointStateBuilder().setVpnUuid(vpn1Uuid).setLportTag(firstVpnLportTag).setDpId(Collections.emptyList()).build();
            SecondEndpointState secondEndPointState = new SecondEndpointStateBuilder().setVpnUuid(vpn2Uuid).setLportTag(secondVpnLportTag).setDpId(Collections.emptyList()).build();
            InterVpnLinkUtil.updateInterVpnLinkState(dataBroker, ivpnLinkName, InterVpnLinkState.State.Error, firstEndPointState, secondEndPointState, interVpnLinkCache);
        }
    }
}

Example 25 with Routes

use of org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.l3.rev150712.l3.attributes.Routes in project netvirt by opendaylight.

the class VpnSubnetRouteHandler method onSubnetDeletedFromVpn.

// TODO Clean up the exception handling
@SuppressWarnings("checkstyle:IllegalCatch")
public void onSubnetDeletedFromVpn(Subnetmap subnetmap, boolean isBgpVpn) {
    Uuid subnetId = subnetmap.getId();
    LOG.info("{} onSubnetDeletedFromVpn: Subnet {} with ip {} being removed from vpnId {}", LOGGING_PREFIX, subnetId, subnetmap.getSubnetIp(), subnetmap.getVpnId());
    // TODO(vivek): Change this to use more granularized lock at subnetId level
    try {
        VpnUtil.lockSubnet(lockManager, subnetId.getValue());
        try {
            InstanceIdentifier<SubnetOpDataEntry> subOpIdentifier = InstanceIdentifier.builder(SubnetOpData.class).child(SubnetOpDataEntry.class, new SubnetOpDataEntryKey(subnetId)).build();
            Optional<SubnetOpDataEntry> optionalSubs = VpnUtil.read(dataBroker, LogicalDatastoreType.OPERATIONAL, subOpIdentifier);
            if (!optionalSubs.isPresent()) {
                LOG.error("{} onSubnetDeletedFromVpn: SubnetOpDataEntry for subnet {} subnetIp {} vpn {}" + " not available in datastore", LOGGING_PREFIX, subnetId.getValue(), subnetId.getValue(), subnetmap.getVpnId());
                return;
            }
            LOG.trace("{} onSubnetDeletedFromVpn: Removing the SubnetOpDataEntry node for subnet {} subnetIp {}" + " vpnName {} rd {} TaskState {}", LOGGING_PREFIX, subnetId.getValue(), optionalSubs.get().getSubnetCidr(), optionalSubs.get().getVpnName(), optionalSubs.get().getVrfId(), optionalSubs.get().getRouteAdvState());
            /* If subnet is deleted (or if its removed from VPN), the ports that are DOWN on that subnet
                 * will continue to be stale in portOpData DS, as subDpnList used for portOpData removal will
                 * contain only ports that are UP. So here we explicitly cleanup the ports of the subnet by
                 * going through the list of ports on the subnet
                 */
            InstanceIdentifier<Subnetmap> subMapid = InstanceIdentifier.builder(Subnetmaps.class).child(Subnetmap.class, new SubnetmapKey(subnetId)).build();
            Optional<Subnetmap> sm = VpnUtil.read(dataBroker, LogicalDatastoreType.CONFIGURATION, subMapid);
            if (!sm.isPresent()) {
                LOG.error("{} onSubnetDeletedFromVpn: Stale ports removal: Unable to retrieve subnetmap entry" + " for subnet {} subnetIp {} vpnName {}", LOGGING_PREFIX, subnetId.getValue(), optionalSubs.get().getSubnetCidr(), optionalSubs.get().getVpnName());
            } else {
                Subnetmap subMap = sm.get();
                List<Uuid> portList = subMap.getPortList();
                if (portList != null) {
                    for (Uuid port : portList) {
                        InstanceIdentifier<PortOpDataEntry> portOpIdentifier = InstanceIdentifier.builder(PortOpData.class).child(PortOpDataEntry.class, new PortOpDataEntryKey(port.getValue())).build();
                        LOG.trace("{} onSubnetDeletedFromVpn: Deleting portOpData entry for port {}" + " from subnet {} subnetIp {} vpnName {} TaskState {}", LOGGING_PREFIX, port.getValue(), subnetId.getValue(), optionalSubs.get().getSubnetCidr(), optionalSubs.get().getVpnName(), optionalSubs.get().getRouteAdvState());
                        MDSALUtil.syncDelete(dataBroker, LogicalDatastoreType.OPERATIONAL, portOpIdentifier);
                    }
                }
            }
            SubnetOpDataEntryBuilder subOpBuilder = new SubnetOpDataEntryBuilder(optionalSubs.get());
            String rd = subOpBuilder.getVrfId();
            String subnetIp = subOpBuilder.getSubnetCidr();
            String vpnName = subOpBuilder.getVpnName();
            // Withdraw the routes for all the interfaces on this subnet
            // Remove subnet route entry from FIB
            deleteSubnetRouteFromFib(rd, subnetIp, vpnName, isBgpVpn);
            MDSALUtil.syncDelete(dataBroker, LogicalDatastoreType.OPERATIONAL, subOpIdentifier);
            LOG.info("{} onSubnetDeletedFromVpn: Removed subnetopdataentry successfully from Datastore" + " for subnet {} subnetIp {} vpnName {} rd {}", LOGGING_PREFIX, subnetId.getValue(), subnetIp, vpnName, rd);
        } catch (RuntimeException ex) {
            LOG.error("{} onSubnetDeletedFromVpn: Removal of SubnetOpDataEntry for subnet {} subnetIp {}" + " vpnId {} failed", LOGGING_PREFIX, subnetId.getValue(), subnetmap.getSubnetIp(), subnetmap.getVpnId(), ex);
        } finally {
            VpnUtil.unlockSubnet(lockManager, subnetId.getValue());
        }
    } catch (RuntimeException e) {
        LOG.error("{} onSubnetDeletedFromVpn: Unable to handle subnet {} with Ip {} removed from vpn {}", LOGGING_PREFIX, subnetId.getValue(), subnetmap.getSubnetIp(), subnetmap.getVpnId(), e);
    }
}