Examples with InterVpnLinkDataComposite org.opendaylight.netvirt.vpnmanager.api.intervpnlink.InterVpnLinkDataComposite used on opensource projects

Example 1 with InterVpnLinkDataComposite

use of org.opendaylight.netvirt.vpnmanager.api.intervpnlink.InterVpnLinkDataComposite in project netvirt by opendaylight.

the class VrfEntryListener method createFibEntries.

private void createFibEntries(final InstanceIdentifier<VrfEntry> vrfEntryIid, final VrfEntry vrfEntry) {
    final VrfTablesKey vrfTableKey = vrfEntryIid.firstKeyOf(VrfTables.class);
    List<SubTransaction> txnObjects = new ArrayList<>();
    final VpnInstanceOpDataEntry vpnInstance = fibUtil.getVpnInstance(vrfTableKey.getRouteDistinguisher());
    Preconditions.checkNotNull(vpnInstance, "Vpn Instance not available " + vrfTableKey.getRouteDistinguisher());
    Preconditions.checkNotNull(vpnInstance.getVpnId(), "Vpn Instance with rd " + vpnInstance.getVrfId() + " has null vpnId!");
    final Collection<VpnToDpnList> vpnToDpnList;
    if (vrfEntry.getParentVpnRd() != null && FibHelper.isControllerManagedNonSelfImportedRoute(RouteOrigin.value(vrfEntry.getOrigin()))) {
        // This block MUST BE HIT only for PNF (Physical Network Function) FIB Entries.
        VpnInstanceOpDataEntry parentVpnInstance = fibUtil.getVpnInstance(vrfEntry.getParentVpnRd());
        vpnToDpnList = parentVpnInstance != null ? parentVpnInstance.getVpnToDpnList() : vpnInstance.getVpnToDpnList();
        LOG.info("createFibEntries: Processing creation of PNF FIB entry with rd {} prefix {}", vrfEntry.getParentVpnRd(), vrfEntry.getDestPrefix());
    } else {
        vpnToDpnList = vpnInstance.getVpnToDpnList();
    }
    final Long vpnId = vpnInstance.getVpnId();
    final String rd = vrfTableKey.getRouteDistinguisher();
    SubnetRoute subnetRoute = vrfEntry.getAugmentation(SubnetRoute.class);
    if (subnetRoute != null) {
        final long elanTag = subnetRoute.getElantag();
        LOG.trace("SUBNETROUTE: createFibEntries: SubnetRoute augmented vrfentry found for rd {} prefix {}" + " with elantag {}", rd, vrfEntry.getDestPrefix(), elanTag);
        if (vpnToDpnList != null) {
            jobCoordinator.enqueueJob(FibUtil.getJobKeyForRdPrefix(rd, vrfEntry.getDestPrefix()), () -> {
                WriteTransaction tx = dataBroker.newWriteOnlyTransaction();
                for (final VpnToDpnList curDpn : vpnToDpnList) {
                    if (curDpn.getDpnState() == VpnToDpnList.DpnState.Active) {
                        installSubnetRouteInFib(curDpn.getDpnId(), elanTag, rd, vpnId, vrfEntry, tx);
                        installSubnetBroadcastAddrDropRule(curDpn.getDpnId(), rd, vpnId.longValue(), vrfEntry, NwConstants.ADD_FLOW, tx);
                    }
                }
                List<ListenableFuture<Void>> futures = new ArrayList<>();
                futures.add(tx.submit());
                return futures;
            });
        }
        return;
    }
    final List<BigInteger> localDpnIdList = createLocalFibEntry(vpnInstance.getVpnId(), rd, vrfEntry);
    if (!localDpnIdList.isEmpty() && vpnToDpnList != null) {
        jobCoordinator.enqueueJob(FibUtil.getJobKeyForRdPrefix(rd, vrfEntry.getDestPrefix()), () -> {
            WriteTransaction tx = dataBroker.newWriteOnlyTransaction();
            synchronized (vpnInstance.getVpnInstanceName().intern()) {
                for (VpnToDpnList vpnDpn : vpnToDpnList) {
                    if (!localDpnIdList.contains(vpnDpn.getDpnId())) {
                        if (vpnDpn.getDpnState() == VpnToDpnList.DpnState.Active) {
                            try {
                                if (RouteOrigin.BGP.getValue().equals(vrfEntry.getOrigin())) {
                                    bgpRouteVrfEntryHandler.createRemoteFibEntry(vpnDpn.getDpnId(), vpnId, vrfTableKey.getRouteDistinguisher(), vrfEntry, tx, txnObjects);
                                } else {
                                    createRemoteFibEntry(vpnDpn.getDpnId(), vpnInstance.getVpnId(), vrfTableKey.getRouteDistinguisher(), vrfEntry, tx);
                                }
                            } catch (NullPointerException e) {
                                LOG.error("Failed to get create remote fib flows for prefix {} ", vrfEntry.getDestPrefix(), e);
                            }
                        }
                    }
                }
            }
            List<ListenableFuture<Void>> futures = new ArrayList<>();
            futures.add(tx.submit());
            return futures;
        }, MAX_RETRIES);
    }
    Optional<String> optVpnUuid = fibUtil.getVpnNameFromRd(rd);
    if (optVpnUuid.isPresent()) {
        String vpnUuid = optVpnUuid.get();
        InterVpnLinkDataComposite interVpnLink = interVpnLinkCache.getInterVpnLinkByVpnId(vpnUuid).orNull();
        if (interVpnLink != null) {
            LOG.debug("InterVpnLink {} found in Cache linking Vpn {}", interVpnLink.getInterVpnLinkName(), vpnUuid);
            FibUtil.getFirstNextHopAddress(vrfEntry).ifPresent(routeNexthop -> {
                if (interVpnLink.isIpAddrTheOtherVpnEndpoint(routeNexthop, vpnUuid)) {
                    // This is an static route that points to the other endpoint of an InterVpnLink
                    // In that case, we should add another entry in FIB table pointing to LPortDispatcher table.
                    installIVpnLinkSwitchingFlows(interVpnLink, vpnUuid, vrfEntry, vpnId);
                    installInterVpnRouteInLFib(interVpnLink, vpnUuid, vrfEntry);
                }
            });
        }
    }
}

Example 2 with InterVpnLinkDataComposite

use of org.opendaylight.netvirt.vpnmanager.api.intervpnlink.InterVpnLinkDataComposite in project netvirt by opendaylight.

the class VrfEntryListener method deleteFibEntries.

private void deleteFibEntries(final InstanceIdentifier<VrfEntry> identifier, final VrfEntry vrfEntry) {
    final VrfTablesKey vrfTableKey = identifier.firstKeyOf(VrfTables.class);
    final String rd = vrfTableKey.getRouteDistinguisher();
    final VpnInstanceOpDataEntry vpnInstance = fibUtil.getVpnInstance(vrfTableKey.getRouteDistinguisher());
    if (vpnInstance == null) {
        LOG.error("VPN Instance for rd {} is not available from VPN Op Instance Datastore", rd);
        return;
    }
    final Collection<VpnToDpnList> vpnToDpnList;
    if (vrfEntry.getParentVpnRd() != null && FibHelper.isControllerManagedNonSelfImportedRoute(RouteOrigin.value(vrfEntry.getOrigin()))) {
        // This block MUST BE HIT only for PNF (Physical Network Function) FIB Entries.
        VpnInstanceOpDataEntry parentVpnInstance = fibUtil.getVpnInstance(vrfEntry.getParentVpnRd());
        vpnToDpnList = parentVpnInstance != null ? parentVpnInstance.getVpnToDpnList() : vpnInstance.getVpnToDpnList();
        LOG.info("deleteFibEntries: Processing deletion of PNF FIB entry with rd {} prefix {}", vrfEntry.getParentVpnRd(), vrfEntry.getDestPrefix());
    } else {
        vpnToDpnList = vpnInstance.getVpnToDpnList();
    }
    SubnetRoute subnetRoute = vrfEntry.getAugmentation(SubnetRoute.class);
    final java.util.Optional<Long> optionalLabel = FibUtil.getLabelFromRoutePaths(vrfEntry);
    List<String> nextHopAddressList = FibHelper.getNextHopListFromRoutePaths(vrfEntry);
    String vpnName = fibUtil.getVpnNameFromId(vpnInstance.getVpnId());
    if (subnetRoute != null) {
        long elanTag = subnetRoute.getElantag();
        LOG.trace("SUBNETROUTE: deleteFibEntries: SubnetRoute augmented vrfentry found for rd {} prefix {}" + " with elantag {}", rd, vrfEntry.getDestPrefix(), elanTag);
        if (vpnToDpnList != null) {
            jobCoordinator.enqueueJob(FibUtil.getJobKeyForRdPrefix(rd, vrfEntry.getDestPrefix()), () -> Collections.singletonList(txRunner.callWithNewWriteOnlyTransactionAndSubmit(tx -> {
                for (final VpnToDpnList curDpn : vpnToDpnList) {
                    baseVrfEntryHandler.makeConnectedRoute(curDpn.getDpnId(), vpnInstance.getVpnId(), vrfEntry, vrfTableKey.getRouteDistinguisher(), null, NwConstants.DEL_FLOW, tx, null);
                    if (RouteOrigin.value(vrfEntry.getOrigin()) != RouteOrigin.SELF_IMPORTED) {
                        optionalLabel.ifPresent(label -> makeLFibTableEntry(curDpn.getDpnId(), label, null, DEFAULT_FIB_FLOW_PRIORITY, NwConstants.DEL_FLOW, tx));
                    }
                    installSubnetBroadcastAddrDropRule(curDpn.getDpnId(), rd, vpnInstance.getVpnId(), vrfEntry, NwConstants.DEL_FLOW, tx);
                }
            })));
        }
        optionalLabel.ifPresent(label -> {
            synchronized (label.toString().intern()) {
                LabelRouteInfo lri = getLabelRouteInfo(label);
                if (isPrefixAndNextHopPresentInLri(vrfEntry.getDestPrefix(), nextHopAddressList, lri)) {
                    Optional<VpnInstanceOpDataEntry> vpnInstanceOpDataEntryOptional = fibUtil.getVpnInstanceOpData(rd);
                    String vpnInstanceName = "";
                    if (vpnInstanceOpDataEntryOptional.isPresent()) {
                        vpnInstanceName = vpnInstanceOpDataEntryOptional.get().getVpnInstanceName();
                    }
                    boolean lriRemoved = this.deleteLabelRouteInfo(lri, vpnInstanceName, null);
                    if (lriRemoved) {
                        String parentRd = lri.getParentVpnRd();
                        fibUtil.releaseId(FibConstants.VPN_IDPOOL_NAME, FibUtil.getNextHopLabelKey(parentRd, vrfEntry.getDestPrefix()));
                        LOG.trace("SUBNETROUTE: deleteFibEntries: Released subnetroute label {} for rd {} prefix {}" + " as labelRouteInfo cleared", label, rd, vrfEntry.getDestPrefix());
                    }
                } else {
                    fibUtil.releaseId(FibConstants.VPN_IDPOOL_NAME, FibUtil.getNextHopLabelKey(rd, vrfEntry.getDestPrefix()));
                    LOG.trace("SUBNETROUTE: deleteFibEntries: Released subnetroute label {} for rd {} prefix {}", label, rd, vrfEntry.getDestPrefix());
                }
            }
        });
        return;
    }
    final List<BigInteger> localDpnIdList = deleteLocalFibEntry(vpnInstance.getVpnId(), vrfTableKey.getRouteDistinguisher(), vrfEntry);
    if (vpnToDpnList != null) {
        List<String> usedRds = VpnExtraRouteHelper.getUsedRds(dataBroker, vpnInstance.getVpnId(), vrfEntry.getDestPrefix());
        String jobKey;
        Optional<Routes> extraRouteOptional;
        // Is this fib route an extra route? If yes, get the nexthop which would be an adjacency in the vpn
        if (usedRds != null && !usedRds.isEmpty()) {
            jobKey = FibUtil.getJobKeyForRdPrefix(usedRds.get(0), vrfEntry.getDestPrefix());
            if (usedRds.size() > 1) {
                LOG.error("The extra route prefix is still present in some DPNs");
                return;
            } else {
                // The first rd is retrieved from usedrds as Only 1 rd would be present as extra route prefix
                // is not present in any other DPN
                extraRouteOptional = VpnExtraRouteHelper.getVpnExtraroutes(dataBroker, vpnName, usedRds.get(0), vrfEntry.getDestPrefix());
            }
        } else {
            jobKey = FibUtil.getJobKeyForRdPrefix(rd, vrfEntry.getDestPrefix());
            extraRouteOptional = Optional.absent();
        }
        jobCoordinator.enqueueJob(jobKey, () -> {
            WriteTransaction tx = dataBroker.newWriteOnlyTransaction();
            if (localDpnIdList.size() <= 0) {
                for (VpnToDpnList curDpn : vpnToDpnList) {
                    baseVrfEntryHandler.deleteRemoteRoute(BigInteger.ZERO, curDpn.getDpnId(), vpnInstance.getVpnId(), vrfTableKey, vrfEntry, extraRouteOptional, tx);
                }
            } else {
                for (BigInteger localDpnId : localDpnIdList) {
                    for (VpnToDpnList curDpn : vpnToDpnList) {
                        if (!curDpn.getDpnId().equals(localDpnId)) {
                            baseVrfEntryHandler.deleteRemoteRoute(localDpnId, curDpn.getDpnId(), vpnInstance.getVpnId(), vrfTableKey, vrfEntry, extraRouteOptional, tx);
                        }
                    }
                }
            }
            List<ListenableFuture<Void>> futures = new ArrayList<>();
            futures.add(tx.submit());
            return futures;
        }, MAX_RETRIES);
    }
    // The flow/group entry has been deleted from config DS; need to clean up associated operational
    // DS entries in VPN Op DS, VpnInstanceOpData and PrefixToInterface to complete deletion
    cleanUpOpDataForFib(vpnInstance.getVpnId(), vrfTableKey.getRouteDistinguisher(), vrfEntry);
    // Remove all fib entries configured due to interVpnLink, when nexthop is the opposite endPoint
    // of the interVpnLink.
    Optional<String> optVpnUuid = fibUtil.getVpnNameFromRd(rd);
    if (optVpnUuid.isPresent()) {
        String vpnUuid = optVpnUuid.get();
        FibUtil.getFirstNextHopAddress(vrfEntry).ifPresent(routeNexthop -> {
            Optional<InterVpnLinkDataComposite> optInterVpnLink = interVpnLinkCache.getInterVpnLinkByVpnId(vpnUuid);
            if (optInterVpnLink.isPresent()) {
                InterVpnLinkDataComposite interVpnLink = optInterVpnLink.get();
                if (interVpnLink.isIpAddrTheOtherVpnEndpoint(routeNexthop, vpnUuid)) {
                    // This is route that points to the other endpoint of an InterVpnLink
                    // In that case, we should look for the FIB table pointing to
                    // LPortDispatcher table and remove it.
                    removeInterVPNLinkRouteFlows(interVpnLink, vpnUuid, vrfEntry);
                }
            }
        });
    }
}

Example 3 with InterVpnLinkDataComposite

use of org.opendaylight.netvirt.vpnmanager.api.intervpnlink.InterVpnLinkDataComposite in project netvirt by opendaylight.

the class IVpnLinkServiceImpl method leakRouteIfNeeded.

@Override
public void leakRouteIfNeeded(String vpnName, String prefix, List<String> nextHopList, int label, RouteOrigin origin, int addOrRemove) {
    Optional<InterVpnLinkDataComposite> optIVpnLink = interVpnLinkCache.getInterVpnLinkByVpnId(vpnName);
    if (!optIVpnLink.isPresent()) {
        LOG.debug("Vpn {} not involved in any InterVpnLink", vpnName);
        return;
    }
    InterVpnLinkDataComposite ivpnLink = optIVpnLink.get();
    if (addOrRemove == NwConstants.ADD_FLOW && !ivpnLink.isActive()) {
        // Note: for the removal case it is not necessary that ivpnlink is ACTIVE
        LOG.debug("Route to {} in VPN {} cannot be leaked because InterVpnLink {} is not ACTIVE", prefix, vpnName, ivpnLink.getInterVpnLinkName());
        return;
    }
    switch(origin) {
        case BGP:
            if (!ivpnLink.isBgpRoutesLeaking()) {
                LOG.debug("BGP route to {} not leaked because bgp-routes-leaking is disabled", prefix);
                return;
            }
            leakRoute(vpnName, prefix, nextHopList, label, addOrRemove);
            break;
        case STATIC:
            /* NOTE: There are 2 types of static routes depending on the next hop:
                    + static route when next hop is a VM, the DC-GW or a DPNIP
                    + static route when next hop is an Inter-VPN Link
                 Only the 1st type should be considered since the 2nd has a special treatment */
            if (!ivpnLink.isStaticRoutesLeaking()) {
                LOG.debug("Static route to {} not leaked because static-routes-leaking is disabled", prefix);
                return;
            }
            leakRoute(vpnName, prefix, nextHopList, label, addOrRemove);
            break;
        case CONNECTED:
            if (!ivpnLink.isConnectedRoutesLeaking()) {
                LOG.debug("Connected route to {} not leaked because connected-routes-leaking is disabled", prefix);
                return;
            }
            leakRoute(vpnName, prefix, nextHopList, label, addOrRemove);
            break;
        default:
            LOG.warn("origin {} not considered in Route-leaking", origin.getValue());
    }
}

Example 4 with InterVpnLinkDataComposite

use of org.opendaylight.netvirt.vpnmanager.api.intervpnlink.InterVpnLinkDataComposite 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 5 with InterVpnLinkDataComposite

use of org.opendaylight.netvirt.vpnmanager.api.intervpnlink.InterVpnLinkDataComposite in project netvirt by opendaylight.

the class InterVpnLinkCacheImpl method removeInterVpnLinkStateFromCache.

@Override
public void removeInterVpnLinkStateFromCache(InterVpnLinkState interVpnLinkState) {
    Optional<InterVpnLinkDataComposite> optIVpnLinkComposite = getInterVpnLinkByName(interVpnLinkState.getInterVpnLinkName());
    if (optIVpnLinkComposite.isPresent()) {
        InterVpnLinkDataComposite interVpnLinkComposite = optIVpnLinkComposite.get();
        removeFromEndpointIpAddressCache(interVpnLinkComposite);
        removeFromVpnUuidCache(interVpnLinkComposite);
        removeFromInterVpnLinkNameCache(interVpnLinkComposite);
    }
}