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

Example 16 with Adjacencies

use of org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.Adjacencies in project netvirt by opendaylight.

the class VpnInterfaceManager method deleteFibEntryForRouterInterface.

protected void deleteFibEntryForRouterInterface(VpnInterface vpnInterface, WriteTransaction writeConfigTxn, String vpnName) {
    Adjacencies adjs = vpnInterface.getAugmentation(Adjacencies.class);
    String rd = VpnUtil.getVpnRd(dataBroker, vpnName);
    if (adjs != null) {
        List<Adjacency> adjsList = adjs.getAdjacency();
        for (Adjacency adj : adjsList) {
            if (adj.getAdjacencyType() == AdjacencyType.PrimaryAdjacency) {
                String primaryInterfaceIp = adj.getIpAddress();
                String prefix = VpnUtil.getIpPrefix(primaryInterfaceIp);
                fibManager.removeFibEntry(rd, prefix, writeConfigTxn);
                LOG.info("deleteFibEntryForRouterInterface: FIB for router interface {} deleted for vpn {} rd {}" + " prefix {}", vpnInterface.getName(), vpnName, rd, prefix);
                return;
            }
        }
    } else {
        LOG.error("deleteFibEntryForRouterInterface: Adjacencies for vpninterface {} is null, rd: {}", vpnInterface.getName(), rd);
    }
}

Example 17 with Adjacencies

use of org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.Adjacencies 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 18 with Adjacencies

use of org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.Adjacencies in project netvirt by opendaylight.

the class VpnInterfaceManager method withdrawAdjacenciesForVpnFromBgp.

// TODO Clean up the exception handling
@SuppressWarnings("checkstyle:IllegalCatch")
private void withdrawAdjacenciesForVpnFromBgp(final InstanceIdentifier<VpnInterfaceOpDataEntry> identifier, String vpnName, String interfaceName, WriteTransaction writeConfigTxn) {
    // Read NextHops
    InstanceIdentifier<AdjacenciesOp> path = identifier.augmentation(AdjacenciesOp.class);
    Optional<AdjacenciesOp> adjacencies = VpnUtil.read(dataBroker, LogicalDatastoreType.OPERATIONAL, path);
    String rd = VpnUtil.getVpnRd(dataBroker, interfaceName);
    if (rd == null) {
        LOG.error("withdrawAdjacenciesForVpnFromBgp: Unable to recover rd for interface {} in vpn {}", interfaceName, vpnName);
        return;
    } else {
        if (rd.equals(vpnName)) {
            LOG.info("withdrawAdjacenciesForVpnFromBgp: Ignoring BGP withdrawal for interface {} as it is in " + "internal vpn{} with rd {}", interfaceName, vpnName, rd);
            return;
        }
    }
    LOG.info("withdrawAdjacenciesForVpnFromBgp: For interface {} in vpn {} with rd {}", interfaceName, vpnName, rd);
    if (adjacencies.isPresent()) {
        List<Adjacency> nextHops = adjacencies.get().getAdjacency();
        if (!nextHops.isEmpty()) {
            LOG.trace("withdrawAdjacenciesForVpnFromBgp: NextHops are {} for interface {} in vpn {} rd {}", nextHops, interfaceName, vpnName, rd);
            for (Adjacency nextHop : nextHops) {
                try {
                    if (nextHop.getAdjacencyType() != AdjacencyType.ExtraRoute) {
                        LOG.info("VPN WITHDRAW: withdrawAdjacenciesForVpnFromBgp: Removing Fib Entry rd {}" + " prefix {} for interface {} in vpn {}", rd, nextHop.getIpAddress(), interfaceName, vpnName);
                        bgpManager.withdrawPrefix(rd, nextHop.getIpAddress());
                        LOG.info("VPN WITHDRAW: withdrawAdjacenciesForVpnFromBgp: Removed Fib Entry rd {}" + " prefix {} for interface {} in vpn {}", rd, nextHop.getIpAddress(), interfaceName, vpnName);
                    } else {
                        // Perform similar operation as interface delete event for extraroutes.
                        String allocatedRd = nextHop.getVrfId();
                        for (String nh : nextHop.getNextHopIpList()) {
                            deleteExtraRouteFromCurrentAndImportingVpns(vpnName, nextHop.getIpAddress(), nh, allocatedRd, interfaceName, writeConfigTxn);
                        }
                    }
                } catch (Exception e) {
                    LOG.error("withdrawAdjacenciesForVpnFromBgp: Failed to withdraw prefix {} in vpn {} with rd {}" + " for interface {} ", nextHop.getIpAddress(), vpnName, rd, interfaceName, e);
                }
            }
        }
    }
}

Example 19 with Adjacencies

use of org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.Adjacencies in project netvirt by opendaylight.

the class VpnInterfaceManager method createFibEntryForRouterInterface.

protected void createFibEntryForRouterInterface(String primaryRd, VpnInterface vpnInterface, String interfaceName, WriteTransaction writeConfigTxn, String vpnName) {
    if (vpnInterface == null) {
        return;
    }
    List<Adjacency> adjs = VpnUtil.getAdjacenciesForVpnInterfaceFromConfig(dataBroker, interfaceName);
    if (adjs == null) {
        LOG.error("createFibEntryForRouterInterface: VPN Interface {} of router addition failed as adjacencies for" + " this vpn interface could not be obtained. vpn {}", interfaceName, vpnName);
        return;
    }
    for (Adjacency adj : adjs) {
        if (adj.getAdjacencyType() == AdjacencyType.PrimaryAdjacency) {
            String primaryInterfaceIp = adj.getIpAddress();
            String macAddress = adj.getMacAddress();
            String prefix = VpnUtil.getIpPrefix(primaryInterfaceIp);
            long label = VpnUtil.getUniqueId(idManager, VpnConstants.VPN_IDPOOL_NAME, VpnUtil.getNextHopLabelKey(primaryRd, prefix));
            RouterInterface routerInt = new RouterInterfaceBuilder().setUuid(vpnName).setIpAddress(primaryInterfaceIp).setMacAddress(macAddress).build();
            fibManager.addFibEntryForRouterInterface(primaryRd, prefix, routerInt, label, writeConfigTxn);
            LOG.info("createFibEntryForRouterInterface: Router interface {} for vpn {} rd {} prefix {} label {}" + " macAddress {} processed successfully;", interfaceName, vpnName, primaryRd, prefix, label, macAddress);
            return;
        }
    }
    LOG.error("createFibEntryForRouterInterface: VPN Interface {} of router addition failed as primary" + " adjacency for this vpn interface could not be obtained. rd {} vpnName {}", interfaceName, primaryRd, vpnName);
}

Example 20 with Adjacencies

use of org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.Adjacencies in project netvirt by opendaylight.

the class VpnInterfaceManager method updateVpnInterfacesForUnProcessAdjancencies.

public void updateVpnInterfacesForUnProcessAdjancencies(String vpnName) {
    String primaryRd = VpnUtil.getVpnRd(dataBroker, vpnName);
    VpnInstanceOpDataEntry vpnInstanceOpData = VpnUtil.getVpnInstanceOpData(dataBroker, primaryRd);
    if (vpnInstanceOpData == null) {
        return;
    }
    List<VpnToDpnList> vpnToDpnLists = vpnInstanceOpData.getVpnToDpnList();
    if (vpnToDpnLists == null || vpnToDpnLists.isEmpty()) {
        return;
    }
    LOG.debug("Update the VpnInterfaces for Unprocessed Adjancencies for vpnName:{}", vpnName);
    vpnToDpnLists.forEach(vpnToDpnList -> vpnToDpnList.getVpnInterfaces().forEach(vpnInterface -> {
        InstanceIdentifier<VpnInterfaceOpDataEntry> existingVpnInterfaceId = VpnUtil.getVpnInterfaceOpDataEntryIdentifier(vpnInterface.getInterfaceName(), vpnName);
        Optional<VpnInterfaceOpDataEntry> vpnInterfaceOptional = VpnUtil.read(dataBroker, LogicalDatastoreType.OPERATIONAL, existingVpnInterfaceId);
        if (!vpnInterfaceOptional.isPresent()) {
            return;
        }
        List<Adjacency> configVpnAdjacencies = VpnUtil.getAdjacenciesForVpnInterfaceFromConfig(dataBroker, vpnInterface.getInterfaceName());
        if (configVpnAdjacencies == null) {
            LOG.debug("There is no adjacency available for vpnInterface:{}", vpnInterface);
            return;
        }
        List<Adjacency> operationVpnAdjacencies = vpnInterfaceOptional.get().getAugmentation(AdjacenciesOp.class).getAdjacency();
        // Due to insufficient rds,  some of the extra route wont get processed when it is added.
        // The unprocessed adjacencies will be present in config vpn interface DS but will be missing
        // in operational DS. These unprocessed adjacencies will be handled below.
        // To obtain unprocessed adjacencies, filtering is done by which the missing adjacencies in operational
        // DS are retrieved which is used to call addNewAdjToVpnInterface method.
        configVpnAdjacencies.stream().filter(adjacency -> operationVpnAdjacencies.stream().noneMatch(operationalAdjacency -> operationalAdjacency.getIpAddress().equals(adjacency.getIpAddress()))).forEach(adjacency -> {
            LOG.debug("Processing the vpnInterface{} for the Ajacency:{}", vpnInterface, adjacency);
            jobCoordinator.enqueueJob("VPNINTERFACE-" + vpnInterface.getInterfaceName(), () -> {
                WriteTransaction writeConfigTxn = dataBroker.newWriteOnlyTransaction();
                WriteTransaction writeOperTxn = dataBroker.newWriteOnlyTransaction();
                if (VpnUtil.isAdjacencyEligibleToVpn(dataBroker, adjacency, vpnName)) {
                    addNewAdjToVpnInterface(existingVpnInterfaceId, primaryRd, adjacency, vpnInterfaceOptional.get().getDpnId(), writeConfigTxn, writeOperTxn);
                    ListenableFuture<Void> operFuture = writeOperTxn.submit();
                    try {
                        operFuture.get();
                    } catch (ExecutionException | InterruptedException e) {
                        LOG.error("Exception encountered while submitting operational" + " future for vpnInterface {}", vpnInterface, e);
                    }
                    List<ListenableFuture<Void>> futures = new ArrayList<>();
                    futures.add(writeConfigTxn.submit());
                    return futures;
                } else {
                    return Collections.emptyList();
                }
            });
        });
    }));
}