Examples with VpnInstance org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.neutronvpn.l3vpn.rev200204.vpn.instances.VpnInstance used on opensource projects

Example 56 with VpnInstance

use of org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.neutronvpn.l3vpn.rev200204.vpn.instances.VpnInstance in project netvirt by opendaylight.

the class NeutronvpnManager method associateNetworksToVpn.

/**
 * Parses and associates networks list with given VPN.
 *
 * @param vpnId Uuid of given VPN.
 * @param networkList List list of network Ids (Uuid), which will be associated.
 * @return list of formatted strings with detailed error messages.
 */
@NonNull
protected List<String> associateNetworksToVpn(@NonNull Uuid vpnId, @NonNull List<Uuid> networkList) {
    List<String> failedNwList = new ArrayList<>();
    HashSet<Uuid> passedNwList = new HashSet<>();
    ConcurrentMap<Uuid, Network> extNwMap = new ConcurrentHashMap<>();
    boolean isExternalNetwork = false;
    if (networkList.isEmpty()) {
        LOG.error("associateNetworksToVpn: Failed as given networks list is empty, VPN Id: {}", vpnId.getValue());
        failedNwList.add(String.format("Failed to associate networks with VPN %s as given networks list is empty", vpnId.getValue()));
        return failedNwList;
    }
    VpnInstance vpnInstance = VpnHelper.getVpnInstance(dataBroker, vpnId.getValue());
    if (vpnInstance == null) {
        LOG.error("associateNetworksToVpn: Can not find vpnInstance for VPN {} in ConfigDS", vpnId.getValue());
        failedNwList.add(String.format("Failed to associate network: can not found vpnInstance for VPN %s " + "in ConfigDS", vpnId.getValue()));
        return failedNwList;
    }
    try {
        if (isVpnOfTypeL2(vpnInstance) && neutronEvpnUtils.isVpnAssociatedWithNetwork(vpnInstance)) {
            LOG.error("associateNetworksToVpn: EVPN {} supports only one network to be associated with", vpnId.getValue());
            failedNwList.add(String.format("Failed to associate network: EVPN %s supports only one network to be " + "associated with", vpnId.getValue()));
            return failedNwList;
        }
        Set<VpnTarget> routeTargets = vpnManager.getRtListForVpn(vpnId.getValue());
        boolean isIpFamilyUpdated = false;
        IpVersionChoice ipVersion = IpVersionChoice.UNDEFINED;
        for (Uuid nw : networkList) {
            Network network = neutronvpnUtils.getNeutronNetwork(nw);
            if (network == null) {
                LOG.error("associateNetworksToVpn: Network {} not found in ConfigDS", nw.getValue());
                failedNwList.add(String.format("Failed to associate network: network %s not found in ConfigDS", nw.getValue()));
                continue;
            }
            NetworkProviderExtension providerExtension = network.augmentation(NetworkProviderExtension.class);
            if (providerExtension.getSegments() != null && providerExtension.getSegments().size() > 1) {
                LOG.error("associateNetworksToVpn: MultiSegmented network {} not supported in BGPVPN {}", nw.getValue(), vpnId.getValue());
                failedNwList.add(String.format("Failed to associate multisegmented network %s with BGPVPN %s", nw.getValue(), vpnId.getValue()));
                continue;
            }
            Uuid networkVpnId = neutronvpnUtils.getVpnForNetwork(nw);
            if (networkVpnId != null) {
                LOG.error("associateNetworksToVpn: Network {} already associated with another VPN {}", nw.getValue(), networkVpnId.getValue());
                failedNwList.add(String.format("Failed to associate network %s as it is already associated to " + "another VPN %s", nw.getValue(), networkVpnId.getValue()));
                continue;
            }
            /* Handle association of external network(s) to Internet BGP-VPN use case outside of the
                 * networkList iteration
                 */
            if (neutronvpnUtils.getIsExternal(network)) {
                extNwMap.put(nw, network);
                isExternalNetwork = true;
                // Check whether router-gw is set with external network before external network to BGPVPN association
                List<Uuid> routerList = neutronvpnUtils.getRouterIdsForExtNetwork(nw);
                if (!routerList.isEmpty()) {
                    for (Uuid routerId : routerList) {
                        // If v6 subnet was already added to router means it requires IPv6 AddrFamily in VpnInstance
                        if (neutronvpnUtils.isV6SubnetPartOfRouter(routerId)) {
                            ipVersion = ipVersion.addVersion(IpVersionChoice.IPV6);
                            LOG.debug("associateNetworksToVpn: External network {} is already associated with " + "router(router-gw) {} and V6 subnet is part of that router. Hence Set IPv6 " + "address family type in Internet VPN Instance {}", network, routerId, vpnId);
                            break;
                        }
                    }
                }
            }
            List<Subnetmap> subnetmapList = neutronvpnUtils.getSubnetmapListFromNetworkId(nw);
            if (subnetmapList == null || subnetmapList.isEmpty()) {
                passedNwList.add(nw);
                continue;
            }
            if (vpnManager.checkForOverlappingSubnets(nw, subnetmapList, vpnId, routeTargets, failedNwList)) {
                continue;
            }
            for (Subnetmap subnetmap : subnetmapList) {
                IpVersionChoice ipVers = NeutronvpnUtils.getIpVersionFromString(subnetmap.getSubnetIp());
                if (!ipVersion.isIpVersionChosen(ipVers)) {
                    ipVersion = ipVersion.addVersion(ipVers);
                }
            }
            // Update vpnInstance for IP address family
            if (ipVersion != IpVersionChoice.UNDEFINED && !isIpFamilyUpdated) {
                LOG.debug("associateNetworksToVpn: Updating vpnInstance with ip address family {}" + " for VPN {} ", ipVersion, vpnId);
                neutronvpnUtils.updateVpnInstanceWithIpFamily(vpnId.getValue(), ipVersion, true);
                isIpFamilyUpdated = true;
            }
            for (Subnetmap subnetmap : subnetmapList) {
                Uuid subnetId = subnetmap.getId();
                Uuid subnetVpnId = neutronvpnUtils.getVpnForSubnet(subnetId);
                if (subnetVpnId != null) {
                    LOG.error("associateNetworksToVpn: Failed to associate subnet {} with VPN {}" + " as it is already associated", subnetId.getValue(), subnetVpnId.getValue());
                    failedNwList.add(String.format("Failed to associate subnet %s with VPN %s" + " as it is already associated", subnetId.getValue(), vpnId.getValue()));
                    continue;
                }
                if (!NeutronvpnUtils.getIsExternal(network)) {
                    LOG.debug("associateNetworksToVpn: Add subnet {} to VPN {}", subnetId.getValue(), vpnId.getValue());
                    addSubnetToVpn(vpnId, subnetId, null);
                    vpnManager.updateRouteTargetsToSubnetAssociation(routeTargets, subnetmap.getSubnetIp(), vpnId.getValue());
                    passedNwList.add(nw);
                }
            }
            passedNwList.add(nw);
            // Handle association of external network(s) to Internet BGP-VPN Instance use case
            if (!extNwMap.isEmpty() || extNwMap != null) {
                for (Network extNw : extNwMap.values()) {
                    if (!associateExtNetworkToVpn(vpnId, extNw, vpnInstance.getBgpvpnType())) {
                        LOG.error("associateNetworksToVpn: Failed to associate Provider External Network {} with " + "VPN {}", extNw, vpnId.getValue());
                        failedNwList.add(String.format("Failed to associate Provider External Network %s with " + "VPN %s", extNw, vpnId.getValue()));
                        continue;
                    }
                }
            }
        }
    } catch (ExecutionException | InterruptedException e) {
        LOG.error("associateNetworksToVpn: Failed to associate VPN {} with networks {}: ", vpnId.getValue(), networkList, e);
        failedNwList.add(String.format("Failed to associate VPN %s with networks %s: %s", vpnId.getValue(), networkList, e));
    }
    // VpnMap update for ext-nw is already done in associateExtNetworkToVpn() method.
    if (!isExternalNetwork) {
        updateVpnMaps(vpnId, null, null, null, new ArrayList<>(passedNwList));
    }
    LOG.info("Network(s) {} associated to L3VPN {} successfully", passedNwList, vpnId.getValue());
    return failedNwList;
}

Example 57 with VpnInstance

use of org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.neutronvpn.l3vpn.rev200204.vpn.instances.VpnInstance in project netvirt by opendaylight.

the class NeutronvpnManager method deleteL3VPN.

/**
 * It handles the invocations to the neutronvpn:deleteL3VPN RPC method.
 */
@Override
public ListenableFuture<RpcResult<DeleteL3VPNOutput>> deleteL3VPN(DeleteL3VPNInput input) {
    DeleteL3VPNOutputBuilder opBuilder = new DeleteL3VPNOutputBuilder();
    SettableFuture<RpcResult<DeleteL3VPNOutput>> result = SettableFuture.create();
    List<RpcError> errorList = new ArrayList<>();
    int failurecount = 0;
    int warningcount = 0;
    List<Uuid> vpns = input.getId() != null ? input.getId() : Collections.emptyList();
    for (Uuid vpn : vpns) {
        try {
            LOG.debug("L3VPN delete RPC: VpnID {}", vpn.getValue());
            InstanceIdentifier<VpnInstance> vpnIdentifier = InstanceIdentifier.builder(VpnInstances.class).child(VpnInstance.class, new VpnInstanceKey(vpn.getValue())).build();
            Optional<VpnInstance> optionalVpn = SingleTransactionDataBroker.syncReadOptional(dataBroker, LogicalDatastoreType.CONFIGURATION, vpnIdentifier);
            if (optionalVpn.isPresent()) {
                removeVpn(vpn);
            } else {
                errorList.add(RpcResultBuilder.newWarning(ErrorType.PROTOCOL, "invalid-value", formatAndLog(LOG::warn, "VPN with vpnid: {} does not exist", vpn.getValue())));
                warningcount++;
            }
        } catch (ExecutionException | InterruptedException ex) {
            errorList.add(RpcResultBuilder.newError(ErrorType.APPLICATION, formatAndLog(LOG::error, "Deletion of L3VPN failed when deleting for uuid {}", vpn.getValue()), ex.getMessage()));
            failurecount++;
        }
    }
    // if none succeeds; result is failure
    if (failurecount + warningcount == vpns.size()) {
        result.set(RpcResultBuilder.<DeleteL3VPNOutput>failed().withRpcErrors(errorList).build());
    } else {
        List<String> errorResponseList = new ArrayList<>();
        if (!errorList.isEmpty()) {
            for (RpcError rpcError : errorList) {
                errorResponseList.add("ErrorType: " + rpcError.getErrorType() + ", ErrorTag: " + rpcError.getTag() + ", ErrorMessage: " + rpcError.getMessage());
            }
        } else {
            errorResponseList.add("Operation successful with no errors");
        }
        opBuilder.setResponse(errorResponseList);
        result.set(RpcResultBuilder.<DeleteL3VPNOutput>success().withResult(opBuilder.build()).build());
    }
    return result;
}

Example 58 with VpnInstance

use of org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.neutronvpn.l3vpn.rev200204.vpn.instances.VpnInstance in project netvirt by opendaylight.

the class VpnInstanceListener method addVpnInstance.

// TODO Clean up the exception handling
@SuppressWarnings("checkstyle:IllegalCatch")
private void addVpnInstance(VpnInstance value, WriteTransaction writeConfigTxn, WriteTransaction writeOperTxn) {
    VpnAfConfig config = value.getIpv4Family();
    String vpnInstanceName = value.getVpnInstanceName();
    long vpnId = VpnUtil.getUniqueId(idManager, VpnConstants.VPN_IDPOOL_NAME, vpnInstanceName);
    if (vpnId == 0) {
        LOG.error("{} addVpnInstance: Unable to fetch label from Id Manager. Bailing out of adding operational" + " data for Vpn Instance {}", LOGGING_PREFIX_ADD, value.getVpnInstanceName());
        return;
    }
    LOG.info("{} addVpnInstance: VPN Id {} generated for VpnInstanceName {}", LOGGING_PREFIX_ADD, vpnId, vpnInstanceName);
    String primaryRd = VpnUtil.getPrimaryRd(value);
    org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.vpn.instance.to.vpn.id.VpnInstance vpnInstanceToVpnId = VpnUtil.getVpnInstanceToVpnId(vpnInstanceName, vpnId, primaryRd);
    if (writeConfigTxn != null) {
        writeConfigTxn.put(LogicalDatastoreType.CONFIGURATION, VpnOperDsUtils.getVpnInstanceToVpnIdIdentifier(vpnInstanceName), vpnInstanceToVpnId, WriteTransaction.CREATE_MISSING_PARENTS);
    } else {
        TransactionUtil.syncWrite(dataBroker, LogicalDatastoreType.CONFIGURATION, VpnOperDsUtils.getVpnInstanceToVpnIdIdentifier(vpnInstanceName), vpnInstanceToVpnId);
    }
    VpnIds vpnIdToVpnInstance = VpnUtil.getVpnIdToVpnInstance(vpnId, value.getVpnInstanceName(), primaryRd, VpnUtil.isBgpVpn(vpnInstanceName, primaryRd));
    if (writeConfigTxn != null) {
        writeConfigTxn.put(LogicalDatastoreType.CONFIGURATION, VpnUtil.getVpnIdToVpnInstanceIdentifier(vpnId), vpnIdToVpnInstance, WriteTransaction.CREATE_MISSING_PARENTS);
    } else {
        TransactionUtil.syncWrite(dataBroker, LogicalDatastoreType.CONFIGURATION, VpnUtil.getVpnIdToVpnInstanceIdentifier(vpnId), vpnIdToVpnInstance);
    }
    try {
        String cachedTransType = fibManager.getConfTransType();
        if (cachedTransType.equals("Invalid")) {
            try {
                fibManager.setConfTransType("L3VPN", "VXLAN");
            } catch (Exception e) {
                LOG.error("{} addVpnInstance: Exception caught setting the L3VPN tunnel transportType for vpn {}", LOGGING_PREFIX_ADD, vpnInstanceName, e);
            }
        } else {
            LOG.debug("{} addVpnInstance: Configured tunnel transport type for L3VPN {} as {}", LOGGING_PREFIX_ADD, vpnInstanceName, cachedTransType);
        }
    } catch (Exception e) {
        LOG.error("{} addVpnInstance: Error when trying to retrieve tunnel transport type for L3VPN {}", LOGGING_PREFIX_ADD, vpnInstanceName, e);
    }
    VpnInstanceOpDataEntryBuilder builder = new VpnInstanceOpDataEntryBuilder().setVrfId(primaryRd).setVpnId(vpnId).setVpnInstanceName(vpnInstanceName).setVpnState(VpnInstanceOpDataEntry.VpnState.Created).setIpv4Configured(false).setIpv6Configured(false);
    if (VpnUtil.isBgpVpn(vpnInstanceName, primaryRd)) {
        List<org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.vpn.instance.op.data.vpn.instance.op.data.entry.vpntargets.VpnTarget> opVpnTargetList = new ArrayList<>();
        builder.setBgpvpnType(VpnInstanceOpDataEntry.BgpvpnType.BGPVPNExternal);
        if (value.getL3vni() != null) {
            builder.setL3vni(value.getL3vni());
        }
        if (value.getType() == VpnInstance.Type.L2) {
            builder.setType(VpnInstanceOpDataEntry.Type.L2);
        }
        VpnTargets vpnTargets = config.getVpnTargets();
        if (vpnTargets != null) {
            List<VpnTarget> vpnTargetList = vpnTargets.getVpnTarget();
            if (vpnTargetList != null) {
                for (VpnTarget vpnTarget : vpnTargetList) {
                    VpnTargetBuilder vpnTargetBuilder = new VpnTargetBuilder().setKey(new VpnTargetKey(vpnTarget.getKey().getVrfRTValue())).setVrfRTType(org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.vpn.instance.op.data.vpn.instance.op.data.entry.vpntargets.VpnTarget.VrfRTType.forValue(vpnTarget.getVrfRTType().getIntValue())).setVrfRTValue(vpnTarget.getVrfRTValue());
                    opVpnTargetList.add(vpnTargetBuilder.build());
                }
            }
        }
        VpnTargetsBuilder vpnTargetsBuilder = new VpnTargetsBuilder().setVpnTarget(opVpnTargetList);
        builder.setVpnTargets(vpnTargetsBuilder.build());
        List<String> rds = config.getRouteDistinguisher();
        builder.setRd(rds);
    } else {
        builder.setBgpvpnType(VpnInstanceOpDataEntry.BgpvpnType.VPN);
    }
    if (writeOperTxn != null) {
        writeOperTxn.merge(LogicalDatastoreType.OPERATIONAL, VpnUtil.getVpnInstanceOpDataIdentifier(primaryRd), builder.build(), true);
    } else {
        TransactionUtil.syncWrite(dataBroker, LogicalDatastoreType.OPERATIONAL, VpnUtil.getVpnInstanceOpDataIdentifier(primaryRd), builder.build());
    }
    LOG.info("{} addVpnInstance: VpnInstanceOpData populated successfully for vpn {} rd {}", LOGGING_PREFIX_ADD, vpnInstanceName, primaryRd);
}

Example 59 with VpnInstance

use of org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.neutronvpn.l3vpn.rev200204.vpn.instances.VpnInstance in project netvirt by opendaylight.

the class VpnInterfaceManager method processVpnInterfaceUp.

// "Unconditional wait" and "Wait not in loop" wrt the VpnNotifyTask below - suppressing the FB violation -
// see comments below.
@SuppressFBWarnings({ "UW_UNCOND_WAIT", "WA_NOT_IN_LOOP" })
protected void processVpnInterfaceUp(final BigInteger dpId, VpnInterface vpnInterface, final String primaryRd, final int lportTag, boolean isInterfaceUp, WriteTransaction writeConfigTxn, WriteTransaction writeOperTxn, WriteTransaction writeInvTxn, Interface interfaceState, final String vpnName) {
    final String interfaceName = vpnInterface.getName();
    Optional<VpnInterfaceOpDataEntry> optOpVpnInterface = VpnUtil.getVpnInterfaceOpDataEntry(dataBroker, interfaceName, vpnName);
    VpnInterfaceOpDataEntry opVpnInterface = optOpVpnInterface.isPresent() ? optOpVpnInterface.get() : null;
    boolean isBgpVpnInternetVpn = VpnUtil.isBgpVpnInternet(dataBroker, vpnName);
    if (!isInterfaceUp) {
        LOG.info("processVpnInterfaceUp: Binding vpn service to interface {} onto dpn {} for vpn {}", interfaceName, dpId, vpnName);
        long vpnId = VpnUtil.getVpnId(dataBroker, vpnName);
        if (vpnId == VpnConstants.INVALID_ID) {
            LOG.warn("processVpnInterfaceUp: VpnInstance to VPNId mapping not available for VpnName {}" + " processing vpninterface {} on dpn {}, bailing out now.", vpnName, interfaceName, dpId);
            return;
        }
        boolean waitForVpnInterfaceOpRemoval = false;
        if (opVpnInterface != null && !opVpnInterface.isScheduledForRemove()) {
            String opVpnName = opVpnInterface.getVpnInstanceName();
            String primaryInterfaceIp = null;
            if (opVpnName.equals(vpnName)) {
                // Please check if the primary VRF Entry does not exist for VPNInterface
                // If so, we have to process ADD, as this might be a DPN Restart with Remove and Add triggered
                // back to back
                // However, if the primary VRF Entry for this VPNInterface exists, please continue bailing out !
                List<Adjacency> adjs = VpnUtil.getAdjacenciesForVpnInterfaceFromConfig(dataBroker, interfaceName);
                if (adjs == null) {
                    LOG.error("processVpnInterfaceUp: VPN Interface {} on dpn {} for vpn {} failed as adjacencies" + " for this vpn interface could not be obtained", interfaceName, dpId, vpnName);
                    return;
                }
                for (Adjacency adj : adjs) {
                    if (adj.getAdjacencyType() == AdjacencyType.PrimaryAdjacency) {
                        primaryInterfaceIp = adj.getIpAddress();
                        break;
                    }
                }
                if (primaryInterfaceIp == null) {
                    LOG.error("processVpnInterfaceUp: VPN Interface {} addition on dpn {} for vpn {} failed" + " as primary adjacency for this vpn interface could not be obtained", interfaceName, dpId, vpnName);
                    return;
                }
                // Get the rd of the vpn instance
                VrfEntry vrf = VpnUtil.getVrfEntry(dataBroker, primaryRd, primaryInterfaceIp);
                if (vrf != null) {
                    LOG.error("processVpnInterfaceUp: VPN Interface {} on dpn {} for vpn {} already provisioned ," + " bailing out from here.", interfaceName, dpId, vpnName);
                    return;
                }
                waitForVpnInterfaceOpRemoval = true;
            } else {
                LOG.error("processVpnInterfaceUp: vpn interface {} to go to configured vpn {} on dpn {}," + " but in operational vpn {}", interfaceName, vpnName, dpId, opVpnName);
            }
        }
        if (!waitForVpnInterfaceOpRemoval) {
            // Add the VPNInterface and quit
            vpnFootprintService.updateVpnToDpnMapping(dpId, vpnName, primaryRd, interfaceName, null, /*ipAddressSourceValuePair*/
            true);
            processVpnInterfaceAdjacencies(dpId, lportTag, vpnName, primaryRd, interfaceName, vpnId, writeConfigTxn, writeOperTxn, writeInvTxn, interfaceState);
            if (!isBgpVpnInternetVpn) {
                VpnUtil.bindService(vpnName, interfaceName, dataBroker, false, /*isTunnelInterface*/
                jobCoordinator);
            }
            LOG.info("processVpnInterfaceUp: Plumbed vpn interface {} onto dpn {} for vpn {}", interfaceName, dpId, vpnName);
            if (interfaceManager.isExternalInterface(interfaceName)) {
                processExternalVpnInterface(interfaceName, vpnName, vpnId, dpId, lportTag, writeInvTxn, NwConstants.ADD_FLOW);
            }
            return;
        }
        // FIB didn't get a chance yet to clean up this VPNInterface
        // Let us give it a chance here !
        LOG.info("processVpnInterfaceUp: Trying to add VPN Interface {} on dpn {} for vpn {}," + " but waiting for FIB to clean up! ", interfaceName, dpId, vpnName);
        try {
            Runnable notifyTask = new VpnNotifyTask();
            synchronized (notifyTask) {
                // Per FB's "Unconditional wait" violation, the code should really verify that the condition it
                // intends to wait for is not already satisfied before calling wait. However the VpnNotifyTask is
                // published here while holding the lock on it so this path will hit the wait before notify can be
                // invoked.
                vpnIntfMap.put(interfaceName, notifyTask);
                try {
                    notifyTask.wait(VpnConstants.MAX_WAIT_TIME_IN_MILLISECONDS);
                } catch (InterruptedException e) {
                // Ignored
                }
            }
        } finally {
            vpnIntfMap.remove(interfaceName);
        }
        if (opVpnInterface != null) {
            LOG.warn("processVpnInterfaceUp: VPN Interface {} removal on dpn {} for vpn {}" + " by FIB did not complete on time," + " bailing addition ...", interfaceName, dpId, vpnName);
            VpnUtil.unsetScheduledToRemoveForVpnInterface(txRunner, interfaceName);
            return;
        }
        // VPNInterface got removed, proceed with Add
        LOG.info("processVpnInterfaceUp: Continuing to plumb vpn interface {} onto dpn {} for vpn {}", interfaceName, dpId, vpnName);
        vpnFootprintService.updateVpnToDpnMapping(dpId, vpnName, primaryRd, interfaceName, null, /*ipAddressSourceValuePair*/
        true);
        processVpnInterfaceAdjacencies(dpId, lportTag, vpnName, primaryRd, interfaceName, vpnId, writeConfigTxn, writeOperTxn, writeInvTxn, interfaceState);
        if (!isBgpVpnInternetVpn) {
            VpnUtil.bindService(vpnName, interfaceName, dataBroker, false, /*isTunnelInterface*/
            jobCoordinator);
        }
        LOG.info("processVpnInterfaceUp: Plumbed vpn interface {} onto dpn {} for vpn {} after waiting for" + " FIB to clean up", interfaceName, dpId, vpnName);
        if (interfaceManager.isExternalInterface(interfaceName)) {
            processExternalVpnInterface(interfaceName, vpnName, vpnId, dpId, lportTag, writeInvTxn, NwConstants.ADD_FLOW);
        }
    } else {
        // Interface is retained in the DPN, but its Link Up.
        // Advertise prefixes again for this interface to BGP
        InstanceIdentifier<VpnInterface> identifier = VpnUtil.getVpnInterfaceIdentifier(vpnInterface.getName());
        InstanceIdentifier<VpnInterfaceOpDataEntry> vpnInterfaceOpIdentifier = VpnUtil.getVpnInterfaceOpDataEntryIdentifier(interfaceName, vpnName);
        advertiseAdjacenciesForVpnToBgp(primaryRd, dpId, vpnInterfaceOpIdentifier, vpnName, interfaceName);
        // Perform similar operation as interface add event for extraroutes.
        InstanceIdentifier<Adjacencies> path = identifier.augmentation(Adjacencies.class);
        Optional<Adjacencies> optAdjacencies = VpnUtil.read(dataBroker, LogicalDatastoreType.CONFIGURATION, path);
        if (!optAdjacencies.isPresent()) {
            LOG.trace("No config adjacencies present for vpninterface {}", vpnInterface);
            return;
        }
        List<Adjacency> adjacencies = optAdjacencies.get().getAdjacency();
        for (Adjacency adjacency : adjacencies) {
            if (adjacency.getAdjacencyType() == AdjacencyType.PrimaryAdjacency) {
                continue;
            }
            // if BGPVPN Internet, filter only IPv6 Adjacencies
            if (isBgpVpnInternetVpn && !VpnUtil.isAdjacencyEligibleToVpnInternet(dataBroker, adjacency)) {
                continue;
            }
            addNewAdjToVpnInterface(vpnInterfaceOpIdentifier, primaryRd, adjacency, dpId, writeOperTxn, writeConfigTxn);
        }
    }
}

Example 60 with VpnInstance

use of org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.neutronvpn.l3vpn.rev200204.vpn.instances.VpnInstance in project netvirt by opendaylight.

the class VpnInterfaceOpListener method postProcessVpnInterfaceRemoval.

private void postProcessVpnInterfaceRemoval(InstanceIdentifier<VpnInterfaceOpDataEntry> identifier, VpnInterfaceOpDataEntry del, WriteTransaction writeOperTxn) {
    final VpnInterfaceOpDataEntryKey key = identifier.firstKeyOf(VpnInterfaceOpDataEntry.class, VpnInterfaceOpDataEntryKey.class);
    String interfaceName = key.getName();
    String vpnName = del.getVpnInstanceName();
    LOG.info("postProcessVpnInterfaceRemoval: interface name {} vpnName {} dpn {}", interfaceName, vpnName, del.getDpnId());
    // decrement the vpn interface count in Vpn Instance Op Data
    Optional<VpnInstance> vpnInstance = VpnUtil.read(dataBroker, LogicalDatastoreType.CONFIGURATION, VpnOperDsUtils.getVpnInstanceToVpnIdIdentifier(vpnName));
    if (vpnInstance.isPresent()) {
        String rd = null;
        rd = vpnInstance.get().getVrfId();
        VpnInstanceOpDataEntry vpnInstOp = VpnUtil.getVpnInstanceOpData(dataBroker, rd);
        AdjacenciesOp adjs = del.getAugmentation(AdjacenciesOp.class);
        List<Adjacency> adjList = adjs != null ? adjs.getAdjacency() : null;
        if (vpnInstOp != null && adjList != null && adjList.size() > 0) {
            /*
                 * When a VPN Interface is removed by FibManager (aka VrfEntryListener and its cohorts),
                 * one adjacency for that VPN Interface will be hanging around along with that
                 * VPN Interface.   That adjacency could be primary (or) non-primary.
                 * If its a primary adjacency, then a prefix-to-interface entry will be available for the
                 * same.  If its a non-primary adjacency, then a prefix-to-interface entry will not be
                 * available for the same, instead we will have vpn-to-extraroutes filled in for them.
                 *
                 * Here we try to remove prefix-to-interface entry for pending adjacency in the deleted
                 * vpnInterface.   More importantly, we also update the vpnInstanceOpData by removing this
                 * vpnInterface from it.
                 */
            List<Prefixes> prefixToInterface = new ArrayList<>();
            for (Adjacency adjacency : adjs.getAdjacency()) {
                List<Prefixes> prefixToInterfaceLocal = new ArrayList<>();
                Optional<Prefixes> prefix = VpnUtil.read(dataBroker, LogicalDatastoreType.OPERATIONAL, VpnUtil.getPrefixToInterfaceIdentifier(vpnInstOp.getVpnId(), VpnUtil.getIpPrefix(adjacency.getIpAddress())));
                if (prefix.isPresent()) {
                    prefixToInterfaceLocal.add(prefix.get());
                }
                if (prefixToInterfaceLocal.isEmpty()) {
                    for (String nh : adjacency.getNextHopIpList()) {
                        prefix = VpnUtil.read(dataBroker, LogicalDatastoreType.OPERATIONAL, VpnUtil.getPrefixToInterfaceIdentifier(vpnInstOp.getVpnId(), VpnUtil.getIpPrefix(nh)));
                        if (prefix.isPresent()) {
                            prefixToInterfaceLocal.add(prefix.get());
                        }
                    }
                }
                if (!prefixToInterfaceLocal.isEmpty()) {
                    prefixToInterface.addAll(prefixToInterfaceLocal);
                }
            }
            /*
                 * In VPN Migration scenarios, there is a race condition where we use the new DPNID
                 * for the migrated VM instead of old DPNID because when we read prefix-to-interface to cleanup
                 * old DPNID, we actually get the new DPNID.
                 *
                 * More dangerously, we tend to alter the new prefix-to-interface which should be retained intac
                 * for the migration to succeed in L3VPN.  As a workaround, here we are going to use the dpnId in
                 * the deleted vpnInterface itself instead of tinkering with the prefix-to-interface.  Further we
                 * will tinker prefix-to-interface only when are damn sure if its value matches our
                 * deleted vpnInterface.
                 *
                 */
            for (Prefixes pref : prefixToInterface) {
                if (isMatchedPrefixToInterface(pref, del)) {
                    if (writeOperTxn != null) {
                        writeOperTxn.delete(LogicalDatastoreType.OPERATIONAL, VpnUtil.getPrefixToInterfaceIdentifier(vpnInstOp.getVpnId(), pref.getIpAddress()));
                    } else {
                        VpnUtil.delete(dataBroker, LogicalDatastoreType.OPERATIONAL, VpnUtil.getPrefixToInterfaceIdentifier(vpnInstOp.getVpnId(), pref.getIpAddress()), VpnUtil.DEFAULT_CALLBACK);
                    }
                }
            }
        }
        if (del.getDpnId() != null) {
            vpnFootprintService.updateVpnToDpnMapping(del.getDpnId(), del.getVpnInstanceName(), rd, interfaceName, null, /*ipAddressSourceValuePair*/
            false);
        }
        LOG.info("postProcessVpnInterfaceRemoval: Removed vpn operational data and updated vpn footprint" + " for interface {} on dpn {} vpn {}", interfaceName, del.getDpnId(), vpnName);
    } else {
        LOG.error("postProcessVpnInterfaceRemoval: rd not retrievable as vpninstancetovpnid for vpn {} is absent," + " trying rd as {}. interface {} dpn {}", vpnName, vpnName, interfaceName, del.getDpnId());
    }
    notifyTaskIfRequired(interfaceName);
}