Examples with VpnInstanceOpDataEntry org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.vpn.instance.op.data.VpnInstanceOpDataEntry used on opensource projects

Example 51 with VpnInstanceOpDataEntry

use of org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.vpn.instance.op.data.VpnInstanceOpDataEntry in project netvirt by opendaylight.

the class VpnServiceChainUtils method getAllVpnIfaceNames.

public static List<String> getAllVpnIfaceNames(DataBroker dataBroker, String vpnName) {
    String vpnRd = getVpnRd(dataBroker, vpnName);
    InstanceIdentifier<VpnInstanceOpDataEntry> vpnOpDataIid = InstanceIdentifier.builder(VpnInstanceOpData.class).child(VpnInstanceOpDataEntry.class, new VpnInstanceOpDataEntryKey(vpnRd)).build();
    try {
        VpnInstanceOpDataEntry vpnOpData = SingleTransactionDataBroker.syncRead(dataBroker, LogicalDatastoreType.OPERATIONAL, vpnOpDataIid);
        if (vpnOpData == null) {
            return Collections.emptyList();
        }
        List<VpnToDpnList> dpnToVpns = vpnOpData.getVpnToDpnList();
        if (dpnToVpns == null) {
            return Collections.emptyList();
        }
        return dpnToVpns.stream().filter(dpn -> dpn.getVpnInterfaces() != null).flatMap(dpn -> dpn.getVpnInterfaces().stream()).map(VpnInterfaces::getInterfaceName).collect(Collectors.toList());
    } catch (ReadFailedException e) {
        LOG.warn("getAllVpnInterfaces for vpn {}: Failure on read operation", vpnName, e);
        return Collections.emptyList();
    }
}

Example 52 with VpnInstanceOpDataEntry

use of org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.vpn.instance.op.data.VpnInstanceOpDataEntry in project netvirt by opendaylight.

the class VPNServiceChainHandler method programScfToVpnPipeline.

/**
 * L3VPN Service chaining: It moves traffic from a ServiceChain to a L3VPN.
 *
 * @param vpnName Vpn Instance Name. Typicall the UUID
 * @param scfTag ServiceChainForwarding Tag
 * @param servChainTag ServiceChain Tag
 * @param dpnId DpnId in which the egress pseudo logical port belongs
 * @param vpnPseudoLportTag VpnPseudo Logical port tag
 * @param isLastServiceChain Flag stating if there is no other ServiceChain
 *        using this VpnPseudoPort
 * @param addOrRemove States if pipeline must be installed or removed
 */
public void programScfToVpnPipeline(String vpnName, long scfTag, int servChainTag, long dpnId, int vpnPseudoLportTag, boolean isLastServiceChain, int addOrRemove) {
    // These Flows must be installed in the DPN where the last SF in the ServiceChain is located
    // + ScForwardingTable (75):  (This one is created and maintained by ScHopManager)
    // - Match:  scfTag + servChainId + lportTagOfvVSF    Instr: VpnPseudoPortTag + SI=L3VPN + GOTO LPortDisp
    // And these 2 flows must be installed in all Dpns where the Vpn is present:
    // + LPortDisp (17):
    // - Match:  VpnPseudoPortTag + SI==L3VPN    Instr: setVpnTag + GOTO FIB
    // + FIB (21): (one entry per VrfEntry, and it is maintained by FibManager)
    // - Match:  vrfTag==vpnTag + eth_type=IPv4  + dst_ip   Instr:  Output DC-GW
    // 
    LOG.info("L3VPN: Service Chaining programScfToVpnPipeline [Started]: Parameters Vpn Name: {} ", vpnName);
    String rd = VpnServiceChainUtils.getVpnRd(dataBroker, vpnName);
    if (rd == null || rd.isEmpty()) {
        LOG.warn("programScfToVpnPipeline: Could not find Router-distinguisher for VPN {}. No further actions", vpnName);
        return;
    }
    VpnInstanceOpDataEntry vpnInstance = getVpnInstance(rd);
    LOG.debug("programScfToVpnPipeline: rd={}, lportTag={} ", rd, vpnPseudoLportTag);
    // Find out the set of DPNs for the given VPN ID
    if (vpnInstance != null) {
        if (addOrRemove == NwConstants.ADD_FLOW || addOrRemove == NwConstants.DEL_FLOW && isLastServiceChain) {
            Long vpnId = vpnInstance.getVpnId();
            List<VpnToDpnList> vpnToDpnList = vpnInstance.getVpnToDpnList();
            if (vpnToDpnList != null) {
                List<BigInteger> dpns = new ArrayList<>();
                for (VpnToDpnList dpnInVpn : vpnToDpnList) {
                    dpns.add(dpnInVpn.getDpnId());
                }
                if (!dpns.contains(BigInteger.valueOf(dpnId))) {
                    LOG.debug("Dpn {} is not included in the current VPN Footprint", dpnId);
                    dpns.add(BigInteger.valueOf(dpnId));
                }
                for (BigInteger dpn : dpns) {
                    VpnServiceChainUtils.programLPortDispatcherFlowForScfToVpn(mdsalManager, vpnId, dpn, vpnPseudoLportTag, addOrRemove);
                }
            } else {
                LOG.debug("Could not find VpnToDpn list for VPN {} with rd {}", vpnName, rd);
            }
        }
        // We need to keep a fake VpnInterface in the DPN where the last vSF (before the VpnPseudoPort) is
        // located, because in case the last real VpnInterface is removed from that DPN, we still need
        // the Fib table programmed there
        String intfName = VpnServiceChainUtils.buildVpnPseudoPortIfName(dpnId, scfTag, servChainTag, vpnPseudoLportTag);
        vpnFootprintService.updateVpnToDpnMapping(BigInteger.valueOf(dpnId), vpnName, rd, intfName, null, /*ipAddressSourceValuePair*/
        addOrRemove == NwConstants.ADD_FLOW);
    }
    LOG.info("L3VPN: Service Chaining programScfToVpnPipeline [End]");
}

Example 53 with VpnInstanceOpDataEntry

use of org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.vpn.instance.op.data.VpnInstanceOpDataEntry in project netvirt by opendaylight.

the class FibUtil method updateUsedRdAndVpnToExtraRoute.

public void updateUsedRdAndVpnToExtraRoute(WriteTransaction writeOperTxn, String tunnelIpRemoved, String primaryRd, String prefix) {
    Optional<VpnInstanceOpDataEntry> optVpnInstance = getVpnInstanceOpData(primaryRd);
    if (!optVpnInstance.isPresent()) {
        return;
    }
    VpnInstanceOpDataEntry vpnInstance = optVpnInstance.get();
    String vpnName = vpnInstance.getVpnInstanceName();
    long vpnId = vpnInstance.getVpnId();
    List<String> usedRds = VpnExtraRouteHelper.getUsedRds(dataBroker, vpnId, prefix);
    // which rd is allocated for the particular OVS.
    for (String usedRd : usedRds) {
        Optional<Routes> vpnExtraRoutes = VpnExtraRouteHelper.getVpnExtraroutes(dataBroker, vpnName, usedRd, prefix);
        if (vpnExtraRoutes.isPresent()) {
            // Since all the nexthops under one OVS will be present under one rd, only 1 nexthop is read
            // to identify the OVS
            String nextHopRemoved = vpnExtraRoutes.get().getNexthopIpList().get(0);
            Prefixes prefixToInterface = getPrefixToInterface(vpnId, getIpPrefix(nextHopRemoved));
            if (prefixToInterface != null && tunnelIpRemoved.equals(getEndpointIpAddressForDPN(prefixToInterface.getDpnId()))) {
                InstanceIdentifier<Adjacency> adjId = getAdjacencyIdentifier(prefixToInterface.getVpnInterfaceName(), prefix);
                Interface ifState = getInterfaceStateFromOperDS(prefixToInterface.getVpnInterfaceName());
                // Delete datastore only if extra route is deleted or VM interface is deleted/down
                if (!MDSALUtil.read(dataBroker, LogicalDatastoreType.CONFIGURATION, adjId).isPresent() || ifState == null || ifState.getOperStatus() == OperStatus.Down) {
                    writeOperTxn.delete(LogicalDatastoreType.OPERATIONAL, getAdjacencyIdentifier(prefixToInterface.getVpnInterfaceName(), prefix));
                    writeOperTxn.delete(LogicalDatastoreType.OPERATIONAL, VpnExtraRouteHelper.getVpnToExtrarouteVrfIdIdentifier(vpnName, usedRd, prefix));
                    writeOperTxn.delete(LogicalDatastoreType.CONFIGURATION, VpnExtraRouteHelper.getUsedRdsIdentifier(vpnId, prefix, nextHopRemoved));
                    break;
                }
            }
        }
    }
}

Example 54 with VpnInstanceOpDataEntry

use of org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.vpn.instance.op.data.VpnInstanceOpDataEntry in project netvirt by opendaylight.

the class FibUtil method getVpnInstance.

VpnInstanceOpDataEntry getVpnInstance(String rd) {
    InstanceIdentifier<VpnInstanceOpDataEntry> id = InstanceIdentifier.create(VpnInstanceOpData.class).child(VpnInstanceOpDataEntry.class, new VpnInstanceOpDataEntryKey(rd));
    Optional<VpnInstanceOpDataEntry> vpnInstanceOpData = MDSALUtil.read(dataBroker, LogicalDatastoreType.OPERATIONAL, id);
    return vpnInstanceOpData.isPresent() ? vpnInstanceOpData.get() : null;
}

Example 55 with VpnInstanceOpDataEntry

use of org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.vpn.instance.op.data.VpnInstanceOpDataEntry in project netvirt by opendaylight.

the class VrfEntryListener method update.

@Override
// originalRoutePath is a little dicey - safest to keep the checking even if not needed.
@SuppressFBWarnings("RCN_REDUNDANT_NULLCHECK_OF_NONNULL_VALUE")
protected void update(InstanceIdentifier<VrfEntry> identifier, VrfEntry original, VrfEntry update) {
    Preconditions.checkNotNull(update, "VrfEntry should not be null or empty.");
    final String rd = identifier.firstKeyOf(VrfTables.class).getRouteDistinguisher();
    LOG.debug("UPDATE: Updating Fib Entries to rd {} prefix {} route-paths {} origin {} old-origin {}", rd, update.getDestPrefix(), update.getRoutePaths(), update.getOrigin(), original.getOrigin());
    // Handle BGP Routes first
    if (RouteOrigin.value(update.getOrigin()) == RouteOrigin.BGP) {
        bgpRouteVrfEntryHandler.updateFlows(identifier, original, update, rd);
        LOG.info("UPDATE: Updated BGP advertised Fib Entry with rd {} prefix {} route-paths {}", rd, update.getDestPrefix(), update.getRoutePaths());
        return;
    }
    if (RouteOrigin.value(update.getOrigin()) == RouteOrigin.STATIC) {
        List<RoutePaths> originalRoutePath = original.getRoutePaths();
        List<RoutePaths> updateRoutePath = update.getRoutePaths();
        LOG.info("UPDATE: Original route-path {} update route-path {} ", originalRoutePath, updateRoutePath);
        // Updates need to be handled for extraroute even if original vrf entry route path is null or
        // updated vrf entry route path is null. This can happen during tunnel events.
        Optional<VpnInstanceOpDataEntry> optVpnInstance = fibUtil.getVpnInstanceOpData(rd);
        List<String> usedRds = new ArrayList<>();
        if (optVpnInstance.isPresent()) {
            usedRds = VpnExtraRouteHelper.getUsedRds(dataBroker, optVpnInstance.get().getVpnId(), update.getDestPrefix());
        }
        // has nexthop , route needs to be created on remote Dpns
        if (originalRoutePath == null || originalRoutePath.isEmpty() && updateRoutePath != null && !updateRoutePath.isEmpty() && usedRds.isEmpty()) {
            // TODO(vivek): Though ugly, Not handling this code now, as each
            // tep add event will invoke flow addition
            LOG.trace("Original VRF entry NH is null for destprefix {}. And the prefix is not an extra route." + " This event is IGNORED here.", update.getDestPrefix());
            return;
        }
        // has nexthop empty'ed out, route needs to be removed from remote Dpns
        if (updateRoutePath == null || updateRoutePath.isEmpty() && originalRoutePath != null && !originalRoutePath.isEmpty() && usedRds.isEmpty()) {
            LOG.trace("Original VRF entry had valid NH for destprefix {}. And the prefix is not an extra route." + "This event is IGNORED here.", update.getDestPrefix());
            return;
        }
        // Update the used rds and vpntoextraroute containers only for the deleted nextHops.
        List<String> nextHopsRemoved = FibHelper.getNextHopListFromRoutePaths(original);
        nextHopsRemoved.removeAll(FibHelper.getNextHopListFromRoutePaths(update));
        WriteTransaction writeOperTxn = dataBroker.newWriteOnlyTransaction();
        nextHopsRemoved.parallelStream().forEach(nextHopRemoved -> fibUtil.updateUsedRdAndVpnToExtraRoute(writeOperTxn, nextHopRemoved, rd, update.getDestPrefix()));
        CheckedFuture<Void, TransactionCommitFailedException> operFuture = writeOperTxn.submit();
        try {
            operFuture.get();
        } catch (InterruptedException | ExecutionException e) {
            LOG.error("Exception encountered while submitting operational future for update vrfentry {}", update, e);
        }
        createFibEntries(identifier, update);
        LOG.info("UPDATE: Updated static Fib Entry with rd {} prefix {} route-paths {}", rd, update.getDestPrefix(), update.getRoutePaths());
        return;
    }
    // Handle all other routes only on a cluster reboot
    if (original.equals(update)) {
        // Reboot use-case
        createFibEntries(identifier, update);
        LOG.info("UPDATE: Updated Non-static Fib Entry with rd {} prefix {} route-paths {}", rd, update.getDestPrefix(), update.getRoutePaths());
        return;
    }
    LOG.info("UPDATE: Ignoring update for FIB entry with rd {} prefix {} route-origin {} route-paths {}", rd, update.getDestPrefix(), update.getOrigin(), update.getRoutePaths());
}