Examples with ExtRouters org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.natservice.rev160111.ExtRouters used on opensource projects

Example 1 with ExtRouters

use of org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.natservice.rev160111.ExtRouters in project netvirt by opendaylight.

the class NaptSwitchHA method isNaptSwitchDown.

// TODO Clean up the exception handling
@SuppressWarnings("checkstyle:IllegalCatch")
public boolean isNaptSwitchDown(String routerName, Long routerId, BigInteger dpnId, BigInteger naptSwitch, Long routerVpnId, Collection<String> externalIpCache, boolean isClearBgpRts, WriteTransaction writeFlowInvTx) {
    externalIpsCache = externalIpCache;
    if (!naptSwitch.equals(dpnId)) {
        LOG.debug("isNaptSwitchDown : DpnId {} is not a naptSwitch {} for Router {}", dpnId, naptSwitch, routerName);
        return false;
    }
    LOG.debug("NaptSwitch {} is down for Router {}", naptSwitch, routerName);
    if (routerId == NatConstants.INVALID_ID) {
        LOG.error("isNaptSwitchDown : Invalid routerId returned for routerName {}", routerName);
        return true;
    }
    Uuid networkId = NatUtil.getNetworkIdFromRouterName(dataBroker, routerName);
    String vpnName = getExtNetworkVpnName(routerName, networkId);
    // elect a new NaptSwitch
    naptSwitch = naptSwitchSelector.selectNewNAPTSwitch(routerName);
    if (natMode == NatMode.Conntrack) {
        Routers extRouters = NatUtil.getRoutersFromConfigDS(dataBroker, routerName);
        natServiceManager.notify(extRouters, dpnId, dpnId, SnatServiceManager.Action.SNAT_ALL_SWITCH_DISBL);
        natServiceManager.notify(extRouters, naptSwitch, naptSwitch, SnatServiceManager.Action.SNAT_ALL_SWITCH_ENBL);
    } else {
        if (naptSwitch.equals(BigInteger.ZERO)) {
            LOG.warn("isNaptSwitchDown : No napt switch is elected since all the switches for router {}" + " are down. SNAT IS NOT SUPPORTED FOR ROUTER {}", routerName, routerName);
            boolean naptUpdatedStatus = updateNaptSwitch(routerName, naptSwitch);
            if (!naptUpdatedStatus) {
                LOG.debug("isNaptSwitchDown : Failed to update naptSwitch {} for router {} in ds", naptSwitch, routerName);
            }
            // clearBgpRoutes
            if (externalIpsCache != null) {
                if (vpnName != null) {
                    // if (externalIps != null) {
                    if (isClearBgpRts) {
                        LOG.debug("isNaptSwitchDown : Clearing both FIB entries and the BGP routes");
                        for (String externalIp : externalIpsCache) {
                            externalRouterListener.clearBgpRoutes(externalIp, vpnName);
                        }
                    } else {
                        LOG.debug("isNaptSwitchDown : Clearing the FIB entries but not the BGP routes");
                        String rd = NatUtil.getVpnRd(dataBroker, vpnName);
                        for (String externalIp : externalIpsCache) {
                            LOG.debug("isNaptSwitchDown : Removing Fib entry rd {} prefix {}", rd, externalIp);
                            fibManager.removeFibEntry(rd, externalIp, null);
                        }
                    }
                } else {
                    LOG.debug("isNaptSwitchDown : vpn is not associated to extn/w for router {}", routerName);
                }
            } else {
                LOG.debug("isNaptSwitchDown : No ExternalIps found for subnets under router {}, " + "no bgp routes need to be cleared", routerName);
            }
            return true;
        }
        // checking elected switch health status
        if (!getSwitchStatus(naptSwitch)) {
            LOG.error("isNaptSwitchDown : Newly elected Napt switch {} for router {} is down", naptSwitch, routerName);
            return true;
        }
        LOG.debug("isNaptSwitchDown : New NaptSwitch {} is up for Router {} and can proceed for flow installation", naptSwitch, routerName);
        // update napt model for new napt switch
        boolean naptUpdated = updateNaptSwitch(routerName, naptSwitch);
        if (naptUpdated) {
            // update group of ordinary switch point to naptSwitch tunnel port
            updateNaptSwitchBucketStatus(routerName, routerId, naptSwitch);
        } else {
            LOG.error("isNaptSwitchDown : Failed to update naptSwitch model for newNaptSwitch {} for router {}", naptSwitch, routerName);
        }
        // update table26 forward packets to table46(outbound napt table)
        FlowEntity flowEntity = buildSnatFlowEntityForNaptSwitch(naptSwitch, routerName, routerVpnId, NatConstants.ADD_FLOW);
        if (flowEntity == null) {
            LOG.error("isNaptSwitchDown : Failed to populate flowentity for router {} in naptSwitch {}", routerName, naptSwitch);
        } else {
            LOG.debug("isNaptSwitchDown : Successfully installed flow in naptSwitch {} for router {}", naptSwitch, routerName);
            mdsalManager.addFlowToTx(flowEntity, writeFlowInvTx);
        }
        installSnatFlows(routerName, routerId, naptSwitch, routerVpnId, writeFlowInvTx);
        boolean flowInstalledStatus = handleNatFlowsInNewNaptSwitch(routerName, routerId, dpnId, naptSwitch, routerVpnId, networkId);
        if (flowInstalledStatus) {
            LOG.debug("isNaptSwitchDown :Installed all active session flows in newNaptSwitch {} for routerName {}", naptSwitch, routerName);
        } else {
            LOG.error("isNaptSwitchDown : Failed to install flows in newNaptSwitch {} for routerId {}", naptSwitch, routerId);
        }
        // remove group in new naptswitch, coz this switch acted previously as ordinary switch
        long groupId = NatUtil.createGroupId(NatUtil.getGroupIdKey(routerName), idManager);
        GroupEntity groupEntity = null;
        try {
            groupEntity = MDSALUtil.buildGroupEntity(naptSwitch, groupId, routerName, GroupTypes.GroupAll, Collections.emptyList());
            LOG.info("isNaptSwitchDown : Removing NAPT Group in new naptSwitch {}", naptSwitch);
            mdsalManager.removeGroup(groupEntity);
        } catch (Exception ex) {
            LOG.error("isNaptSwitchDown : Failed to remove group in new naptSwitch {}", groupEntity, ex);
        }
    }
    return true;
}

Example 2 with ExtRouters

use of org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.natservice.rev160111.ExtRouters in project netvirt by opendaylight.

the class NeutronvpnNatManager method handleExternalFixedIpsForRouter.

// TODO Clean up the exception handling
@SuppressWarnings("checkstyle:IllegalCatch")
private void handleExternalFixedIpsForRouter(Router update) {
    Uuid routerId = update.getUuid();
    InstanceIdentifier<Routers> routersIdentifier = NeutronvpnUtils.buildExtRoutersIdentifier(routerId);
    try {
        Optional<Routers> optionalRouters = SingleTransactionDataBroker.syncReadOptional(dataBroker, LogicalDatastoreType.CONFIGURATION, routersIdentifier);
        LOG.trace("Updating External Fixed IPs Routers node {}", routerId.getValue());
        if (optionalRouters.isPresent()) {
            RoutersBuilder builder = new RoutersBuilder(optionalRouters.get());
            List<ExternalIps> externalIps = new ArrayList<>();
            for (ExternalFixedIps fixedIps : update.getExternalGatewayInfo().getExternalFixedIps()) {
                addExternalFixedIpToExternalIpsList(externalIps, fixedIps);
            }
            builder.setExternalIps(externalIps);
            updateExternalSubnetsForRouter(routerId, update.getExternalGatewayInfo().getExternalNetworkId(), update.getExternalGatewayInfo().getExternalFixedIps());
            Routers routerss = builder.build();
            LOG.trace("Updating external fixed ips for router {} with value {}", routerId.getValue(), routerss);
            SingleTransactionDataBroker.syncWrite(dataBroker, LogicalDatastoreType.CONFIGURATION, routersIdentifier, routerss);
            LOG.trace("Added External Fixed IPs successfully for Routers to CONFIG Datastore");
        }
    } catch (TransactionCommitFailedException | ReadFailedException ex) {
        LOG.error("Updating extfixedips for {} in extrouters failed", routerId.getValue(), ex);
    }
}

Example 3 with ExtRouters

use of org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.natservice.rev160111.ExtRouters in project netvirt by opendaylight.

the class NeutronvpnNatManager method removeExternalRouter.

// TODO Clean up the exception handling
@SuppressWarnings("checkstyle:IllegalCatch")
private void removeExternalRouter(Router update) {
    Uuid routerId = update.getUuid();
    InstanceIdentifier<Routers> routersIdentifier = NeutronvpnUtils.buildExtRoutersIdentifier(routerId);
    try {
        Optional<Routers> optionalRouters = SingleTransactionDataBroker.syncReadOptional(dataBroker, LogicalDatastoreType.CONFIGURATION, routersIdentifier);
        LOG.trace(" Removing Routers node {}", routerId.getValue());
        if (optionalRouters.isPresent()) {
            RoutersBuilder builder = new RoutersBuilder(optionalRouters.get());
            builder.setExternalIps(null);
            builder.setSubnetIds(null);
            SingleTransactionDataBroker.syncDelete(dataBroker, LogicalDatastoreType.CONFIGURATION, routersIdentifier);
            LOG.trace("Removed router {} from extrouters", routerId.getValue());
        }
    } catch (TransactionCommitFailedException | ReadFailedException ex) {
        LOG.error("Removing extrouter {} from extrouters failed", routerId.getValue(), ex);
    }
}

Example 4 with ExtRouters

use of org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.natservice.rev160111.ExtRouters in project netvirt by opendaylight.

the class NeutronvpnNatManager method handleSnatSettingChangeForRouter.

private void handleSnatSettingChangeForRouter(Router update) {
    Uuid routerId = update.getUuid();
    InstanceIdentifier<Routers> routersIdentifier = NeutronvpnUtils.buildExtRoutersIdentifier(routerId);
    try {
        Optional<Routers> optionalRouters = SingleTransactionDataBroker.syncReadOptional(dataBroker, LogicalDatastoreType.CONFIGURATION, routersIdentifier);
        LOG.trace("Updating Internal subnets for Routers node: {}", routerId.getValue());
        RoutersBuilder builder = null;
        if (optionalRouters.isPresent()) {
            builder = new RoutersBuilder(optionalRouters.get());
        } else {
            LOG.trace("No Routers element found for router name {}", routerId.getValue());
            return;
        }
        builder.setEnableSnat(update.getExternalGatewayInfo().isEnableSnat());
        Routers routerss = builder.build();
        // Add Routers object to the ExtRouters list
        LOG.trace("Updating extrouters for snat change {}", routerss);
        SingleTransactionDataBroker.syncWrite(dataBroker, LogicalDatastoreType.CONFIGURATION, routersIdentifier, routerss);
        LOG.trace("Updated successfully Routers to CONFIG Datastore");
    } catch (TransactionCommitFailedException | ReadFailedException ex) {
        LOG.error("Updation of snat for extrouters failed for router {}", routerId.getValue(), ex);
    }
}

Example 5 with ExtRouters

use of org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.natservice.rev160111.ExtRouters in project netvirt by opendaylight.

the class NeutronvpnNatManager method addExternalNetworkToRouter.

private void addExternalNetworkToRouter(Router update) {
    Uuid routerId = update.getUuid();
    Uuid extNetId = update.getExternalGatewayInfo().getExternalNetworkId();
    List<ExternalFixedIps> externalFixedIps = update.getExternalGatewayInfo().getExternalFixedIps();
    try {
        Network input = neutronvpnUtils.getNeutronNetwork(extNetId);
        ProviderTypes providerNwType = NeutronvpnUtils.getProviderNetworkType(input);
        if (providerNwType == null) {
            LOG.error("Unable to get Network Provider Type for network {}", input.getUuid().getValue());
            return;
        }
        // Add this router to the ExtRouters list
        addExternalRouter(update);
        // Update External Subnets for this router
        updateExternalSubnetsForRouter(routerId, extNetId, externalFixedIps);
        // Create and add Networks object for this External Network to the ExternalNetworks list
        InstanceIdentifier<Networks> netsIdentifier = InstanceIdentifier.builder(ExternalNetworks.class).child(Networks.class, new NetworksKey(extNetId)).build();
        Optional<Networks> optionalNets = SingleTransactionDataBroker.syncReadOptional(dataBroker, LogicalDatastoreType.CONFIGURATION, netsIdentifier);
        if (!optionalNets.isPresent()) {
            LOG.error("External Network {} not present in the NVPN datamodel", extNetId.getValue());
            return;
        }
        NetworksBuilder builder = new NetworksBuilder(optionalNets.get());
        List<Uuid> rtrList = builder.getRouterIds();
        if (rtrList == null) {
            rtrList = new ArrayList<>();
        }
        rtrList.add(routerId);
        builder.setRouterIds(rtrList);
        if (NeutronvpnUtils.isFlatOrVlanNetwork(input)) {
            builder.setVpnid(extNetId);
        }
        Networks networkss = builder.build();
        // Add Networks object to the ExternalNetworks list
        LOG.trace("Updating externalnetworks {}", networkss);
        SingleTransactionDataBroker.syncWrite(dataBroker, LogicalDatastoreType.CONFIGURATION, netsIdentifier, networkss);
        LOG.trace("Updated externalnetworks successfully to CONFIG Datastore");
        // get vpn external form this network external to setup vpnInternet for ipv6
        Uuid vpnExternal = neutronvpnUtils.getVpnForNetwork(extNetId);
        if (vpnExternal == null) {
            LOG.debug("addExternalNetworkToRouter : no vpnExternal for Network {}", extNetId);
        }
        LOG.debug("addExternalNetworkToRouter : the vpnExternal {}", vpnExternal);
        // get subnetmap associate to the router, any subnetmap "external" could be existing
        List<Subnetmap> snList = neutronvpnUtils.getNeutronRouterSubnetMaps(routerId);
        LOG.debug("addExternalNetworkToRouter : the vpnExternal {} subnetmap to be set with vpnInternet {}", vpnExternal, snList);
        for (Subnetmap sn : snList) {
            if (sn.getInternetVpnId() == null) {
                continue;
            }
            IpVersionChoice ipVers = neutronvpnUtils.getIpVersionFromString(sn.getSubnetIp());
            if (ipVers == IpVersionChoice.IPV6) {
                LOG.debug("addExternalNetworkToRouter : setup vpnInternet IPv6 for vpnExternal {} subnetmap {}", vpnExternal, sn);
                nvpnManager.updateVpnInternetForSubnet(sn, vpnExternal, true);
            }
        }
    } catch (TransactionCommitFailedException | ReadFailedException ex) {
        LOG.error("Creation of externalnetworks failed for {}", extNetId.getValue(), ex);
    }
}