Examples with WriteTransaction org.opendaylight.controller.md.sal.binding.api.WriteTransaction used on opensource projects

Example 21 with WriteTransaction

use of org.opendaylight.controller.md.sal.binding.api.WriteTransaction in project netvirt by opendaylight.

the class RouterToVpnListener method onRouterDisassociatedFromVpn.

/**
 * router disassociation from vpn.
 */
@Override
public void onRouterDisassociatedFromVpn(RouterDisassociatedFromVpn notification) {
    String routerName = notification.getRouterId().getValue();
    String vpnName = notification.getVpnId().getValue();
    WriteTransaction writeFlowInvTx = dataBroker.newWriteOnlyTransaction();
    // check router is associated to external network
    String extNetwork = NatUtil.getAssociatedExternalNetwork(dataBroker, routerName);
    if (extNetwork != null) {
        LOG.debug("onRouterDisassociatedFromVpn : Router {} is associated with ext nw {}", routerName, extNetwork);
        handleDNATConfigurationForRouterDisassociation(routerName, vpnName, extNetwork);
        Uuid extNetworkUuid = NatUtil.getNetworkIdFromRouterName(dataBroker, routerName);
        if (extNetworkUuid == null) {
            LOG.error("onRouterDisassociatedFromVpn : Unable to retrieve external network Uuid for router {}", routerName);
            return;
        }
        ProviderTypes extNwProvType = NatEvpnUtil.getExtNwProvTypeFromRouterName(dataBroker, routerName, extNetworkUuid);
        if (extNwProvType == null) {
            LOG.error("onRouterDisassociatedFromVpn : External Network Provider Type missing");
            return;
        }
        long routerId = NatUtil.getVpnId(dataBroker, routerName);
        externalRoutersListener.changeBgpVpnIdToLocalVpnId(routerName, routerId, vpnName, writeFlowInvTx, extNwProvType);
    } else {
        LOG.debug("onRouterDisassociatedFromVpn : Ignoring the Router {} association with VPN {} " + "since it is not external router", routerName, vpnName);
    }
    NatUtil.waitForTransactionToComplete(writeFlowInvTx);
}

Example 22 with WriteTransaction

use of org.opendaylight.controller.md.sal.binding.api.WriteTransaction in project netvirt by opendaylight.

the class FloatingIPListener method processFloatingIPDel.

private void processFloatingIPDel(final InstanceIdentifier<InternalToExternalPortMap> identifier, final InternalToExternalPortMap mapping) {
    LOG.trace("processFloatingIPDel : key: {}, value: {}", mapping.getKey(), mapping);
    final String routerId = identifier.firstKeyOf(RouterPorts.class).getRouterId();
    final PortsKey pKey = identifier.firstKeyOf(Ports.class);
    String interfaceName = pKey.getPortName();
    InstanceIdentifier<RouterPorts> portIid = identifier.firstIdentifierOf(RouterPorts.class);
    coordinator.enqueueJob(NatConstants.NAT_DJC_PREFIX + mapping.getKey(), () -> {
        WriteTransaction removeFlowInvTx = dataBroker.newWriteOnlyTransaction();
        List<ListenableFuture<Void>> futures = new ArrayList<>();
        removeNATFlowEntries(interfaceName, mapping, portIid, routerId, null, removeFlowInvTx);
        // final submit call for removeFlowInvTx
        futures.add(NatUtil.waitForTransactionToComplete(removeFlowInvTx));
        return futures;
    }, NatConstants.NAT_DJC_MAX_RETRIES);
}

Example 23 with WriteTransaction

use of org.opendaylight.controller.md.sal.binding.api.WriteTransaction in project netvirt by opendaylight.

the class InterfaceStateEventListener method processInterfaceAdded.

private void processInterfaceAdded(String portName, String routerId, List<ListenableFuture<Void>> futures) {
    LOG.trace("processInterfaceAdded : Processing Interface Add Event for interface {}", portName);
    List<InternalToExternalPortMap> intExtPortMapList = getIntExtPortMapListForPortName(portName, routerId);
    if (intExtPortMapList == null || intExtPortMapList.isEmpty()) {
        LOG.debug("processInterfaceAdded : Ip Mapping list is empty/null for portname {}", portName);
        return;
    }
    InstanceIdentifier<RouterPorts> portIid = NatUtil.buildRouterPortsIdentifier(routerId);
    WriteTransaction installFlowInvTx = dataBroker.newWriteOnlyTransaction();
    for (InternalToExternalPortMap intExtPortMap : intExtPortMapList) {
        floatingIPListener.createNATFlowEntries(portName, intExtPortMap, portIid, routerId, installFlowInvTx);
    }
    // final submit call for installFlowInvTx
    futures.add(NatUtil.waitForTransactionToComplete(installFlowInvTx));
}

Example 24 with WriteTransaction

use of org.opendaylight.controller.md.sal.binding.api.WriteTransaction in project netvirt by opendaylight.

the class VpnFloatingIpHandler method onAddFloatingIp.

@Override
public void onAddFloatingIp(final BigInteger dpnId, final String routerUuid, final long routerId, final Uuid networkId, final String interfaceName, final InternalToExternalPortMap mapping, WriteTransaction writeFlowInvTx) {
    String externalIp = mapping.getExternalIp();
    String internalIp = mapping.getInternalIp();
    Uuid floatingIpId = mapping.getExternalId();
    Uuid subnetId = NatUtil.getFloatingIpPortSubnetIdFromFloatingIpId(dataBroker, floatingIpId);
    String floatingIpPortMacAddress = NatUtil.getFloatingIpPortMacFromFloatingIpId(dataBroker, floatingIpId);
    if (floatingIpPortMacAddress == null) {
        LOG.error("onAddFloatingIp: Unable to retrieve floatingIp port MAC address from floatingIpId {} for " + "router {} to handle floatingIp {}", floatingIpId, routerUuid, externalIp);
        return;
    }
    Optional<Subnets> externalSubnet = NatUtil.getOptionalExternalSubnets(dataBroker, subnetId);
    final String vpnName = externalSubnet.isPresent() ? subnetId.getValue() : NatUtil.getAssociatedVPN(dataBroker, networkId);
    final String subnetVpnName = externalSubnet.isPresent() ? subnetId.getValue() : null;
    if (vpnName == null) {
        LOG.error("onAddFloatingIp: No VPN is associated with ext nw {} to handle add floating ip {} configuration " + "for router {}", networkId, externalIp, routerId);
        return;
    }
    String rd = NatUtil.getVpnRd(dataBroker, vpnName);
    if (rd == null) {
        LOG.error("onAddFloatingIp: Unable to retrieve external (internet) VPN RD from external VPN {} for " + "router {} to handle floatingIp {}", vpnName, routerId, externalIp);
        return;
    }
    ProviderTypes provType = NatEvpnUtil.getExtNwProvTypeFromRouterName(dataBroker, routerUuid, networkId);
    if (provType == null) {
        return;
    }
    /*
         *  For external network of type GRE, it is required to use "Internet VPN VNI" for intra-DC
         *  communication, but we still require "MPLS labels" to reach SNAT/DNAT VMs from external
         *  entities via MPLSOverGRE.
         *
         *  MPLSOverGRE based external networks, the ``opendaylight-vni-ranges`` pool will be
         *  used to carve out a unique VNI per Internet VPN (GRE-provider-type) to be used in the
         *  datapath for traffic forwarding for ``SNAT-to-DNAT`` and ``DNAT-to-DNAT`` cases within the
         *  DataCenter.
        */
    if (NatUtil.isOpenStackVniSemanticsEnforcedForGreAndVxlan(elanService, provType)) {
        NatOverVxlanUtil.validateAndCreateVxlanVniPool(dataBroker, nvpnManager, idManager, NatConstants.ODL_VNI_POOL_NAME);
    }
    String nextHopIp = NatUtil.getEndpointIpAddressForDPN(dataBroker, dpnId);
    LOG.debug("onAddFloatingIp: Nexthop ip for prefix {} is {}", externalIp, nextHopIp);
    if (provType == ProviderTypes.VXLAN) {
        Uuid floatingIpInterface = NatEvpnUtil.getFloatingIpInterfaceIdFromFloatingIpId(dataBroker, floatingIpId);
        evpnDnatFlowProgrammer.onAddFloatingIp(dpnId, routerUuid, routerId, vpnName, internalIp, externalIp, networkId, interfaceName, floatingIpInterface.getValue(), floatingIpPortMacAddress, rd, nextHopIp, writeFlowInvTx);
        return;
    }
    /*
         *  MPLS label will be used to advertise prefixes and in "L3_LFIB_TABLE" (table 20) taking the packet
         *  to "INBOUND_NAPT_TABLE" (table 44) and "PDNAT_TABLE" (table 25).
         */
    GenerateVpnLabelInput labelInput = new GenerateVpnLabelInputBuilder().setVpnName(vpnName).setIpPrefix(externalIp).build();
    Future<RpcResult<GenerateVpnLabelOutput>> labelFuture = vpnService.generateVpnLabel(labelInput);
    ListenableFuture<RpcResult<Void>> future = Futures.transformAsync(JdkFutureAdapters.listenInPoolThread(labelFuture), (AsyncFunction<RpcResult<GenerateVpnLabelOutput>, RpcResult<Void>>) result -> {
        if (result.isSuccessful()) {
            GenerateVpnLabelOutput output = result.getResult();
            long label = output.getLabel();
            LOG.debug("onAddFloatingIp : Generated label {} for prefix {}", label, externalIp);
            FloatingIPListener.updateOperationalDS(dataBroker, routerUuid, interfaceName, label, internalIp, externalIp);
            long l3vni = 0;
            if (NatUtil.isOpenStackVniSemanticsEnforcedForGreAndVxlan(elanService, provType)) {
                l3vni = NatOverVxlanUtil.getInternetVpnVni(idManager, vpnName, l3vni).longValue();
            }
            String fibExternalIp = NatUtil.validateAndAddNetworkMask(externalIp);
            NatUtil.addPrefixToBGP(dataBroker, bgpManager, fibManager, vpnName, rd, subnetId, fibExternalIp, nextHopIp, networkId.getValue(), floatingIpPortMacAddress, label, l3vni, RouteOrigin.STATIC, dpnId);
            List<Instruction> instructions = new ArrayList<>();
            List<ActionInfo> actionsInfos = new ArrayList<>();
            actionsInfos.add(new ActionNxResubmit(NwConstants.PDNAT_TABLE));
            instructions.add(new InstructionApplyActions(actionsInfos).buildInstruction(0));
            makeTunnelTableEntry(vpnName, dpnId, label, instructions, writeFlowInvTx, provType);
            List<ActionInfo> actionInfoFib = new ArrayList<>();
            List<Instruction> customInstructions = new ArrayList<>();
            actionInfoFib.add(new ActionSetFieldEthernetDestination(new MacAddress(floatingIpPortMacAddress)));
            customInstructions.add(new InstructionApplyActions(actionInfoFib).buildInstruction(0));
            customInstructions.add(new InstructionGotoTable(NwConstants.PDNAT_TABLE).buildInstruction(1));
            makeLFibTableEntry(dpnId, label, floatingIpPortMacAddress, NwConstants.PDNAT_TABLE, writeFlowInvTx);
            CreateFibEntryInput input = new CreateFibEntryInputBuilder().setVpnName(vpnName).setSourceDpid(dpnId).setInstruction(customInstructions).setIpAddress(fibExternalIp).setServiceId(label).setIpAddressSource(CreateFibEntryInput.IpAddressSource.FloatingIP).setInstruction(customInstructions).build();
            Future<RpcResult<Void>> future1 = fibService.createFibEntry(input);
            LOG.debug("onAddFloatingIp : Add Floating Ip {} , found associated to fixed port {}", externalIp, interfaceName);
            String networkVpnName = NatUtil.getAssociatedVPN(dataBroker, networkId);
            txRunner.callWithNewWriteOnlyTransactionAndSubmit(tx -> {
                vpnManager.addSubnetMacIntoVpnInstance(networkVpnName, subnetVpnName, floatingIpPortMacAddress, dpnId, tx);
                vpnManager.addArpResponderFlowsToExternalNetworkIps(routerUuid, Collections.singleton(externalIp), floatingIpPortMacAddress, dpnId, networkId, tx);
            });
            return JdkFutureAdapters.listenInPoolThread(future1);
        } else {
            String errMsg = String.format("onAddFloatingIp : Could not retrieve the label for prefix %s " + "in VPN %s, %s", externalIp, vpnName, result.getErrors());
            LOG.error(errMsg);
            return Futures.immediateFailedFuture(new RuntimeException(errMsg));
        }
    }, MoreExecutors.directExecutor());
    Futures.addCallback(future, new FutureCallback<RpcResult<Void>>() {

        @Override
        public void onFailure(@Nonnull Throwable error) {
            LOG.error("onAddFloatingIp : Error in generate label or fib install process", error);
        }

        @Override
        public void onSuccess(@Nonnull RpcResult<Void> result) {
            if (result.isSuccessful()) {
                LOG.info("onAddFloatingIp : Successfully installed custom FIB routes for prefix {}", externalIp);
            } else {
                LOG.error("onAddFloatingIp : Error in rpc call to create custom Fib entries for prefix {} " + "in DPN {}, {}", externalIp, dpnId, result.getErrors());
            }
        }
    }, MoreExecutors.directExecutor());
    // Handle GARP transmission
    final IpAddress extrenalAddress = IpAddressBuilder.getDefaultInstance(externalIp);
    sendGarpOnInterface(dpnId, networkId, extrenalAddress, floatingIpPortMacAddress);
}

Example 25 with WriteTransaction

use of org.opendaylight.controller.md.sal.binding.api.WriteTransaction in project netvirt by opendaylight.

the class NatRouterInterfaceListener method add.

@Override
// TODO Clean up the exception handling
@SuppressWarnings("checkstyle:IllegalCatch")
protected void add(InstanceIdentifier<Interfaces> identifier, Interfaces interfaceInfo) {
    LOG.trace("add : Add event - key: {}, value: {}", interfaceInfo.getKey(), interfaceInfo);
    final String routerId = identifier.firstKeyOf(RouterInterfaces.class).getRouterId().getValue();
    final String interfaceName = interfaceInfo.getInterfaceId();
    try {
        MDSALUtil.syncWrite(dataBroker, LogicalDatastoreType.CONFIGURATION, NatUtil.getRouterInterfaceId(interfaceName), getRouterInterface(interfaceName, routerId));
    } catch (Exception e) {
        LOG.error("add: Unable to write data in RouterInterface model", e);
    }
    org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface interfaceState = NatUtil.getInterfaceStateFromOperDS(dataBroker, interfaceName);
    WriteTransaction writeOperTxn = dataBroker.newWriteOnlyTransaction();
    if (interfaceState != null) {
        BigInteger dpId = NatUtil.getDpnForInterface(interfaceManager, interfaceName);
        if (dpId.equals(BigInteger.ZERO)) {
            LOG.warn("ADD : Could not retrieve dp id for interface {} to handle router {} association model", interfaceName, routerId);
            return;
        }
        NatUtil.addToNeutronRouterDpnsMap(dataBroker, routerId, interfaceName, dpId, writeOperTxn);
        NatUtil.addToDpnRoutersMap(dataBroker, routerId, interfaceName, dpId, writeOperTxn);
    } else {
        LOG.info("add : Interface {} not yet operational to handle router interface add event in router {}", interfaceName, routerId);
    }
    writeOperTxn.submit();
}