use of org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.rev160406.transport.zones.transport.zone.Subnets 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);
}
use of org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.rev160406.transport.zones.transport.zone.Subnets 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;
}
use of org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.rev160406.transport.zones.transport.zone.Subnets in project netvirt by opendaylight.
the class WeightedCentralizedSwitchScheduler method deleteFromDpnMaps.
private void deleteFromDpnMaps(String routerName, List<Uuid> deletedSubnetIds, BigInteger primarySwitchId) {
if (deletedSubnetIds == null || deletedSubnetIds.isEmpty()) {
LOG.debug("deleteFromDpnMaps no subnets associated with {}", routerName);
return;
}
WriteTransaction writeOperTxn = dataBroker.newWriteOnlyTransaction();
String primaryRd = NatUtil.getPrimaryRd(dataBroker, routerName);
for (Uuid subnetUuid : deletedSubnetIds) {
String routerPort = subnetIdToRouterPortMap.remove(subnetUuid.getValue());
if (routerPort == null) {
LOG.error("The router port was not found for {}", subnetUuid.getValue());
continue;
}
vpnFootprintService.updateVpnToDpnMapping(primarySwitchId, routerName, primaryRd, routerPort, null, false);
NatUtil.removeFromNeutronRouterDpnsMap(dataBroker, routerName, primarySwitchId, writeOperTxn);
NatUtil.removeFromDpnRoutersMap(dataBroker, routerName, routerName, interfaceManager, writeOperTxn);
}
writeOperTxn.submit();
}
use of org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.rev160406.transport.zones.transport.zone.Subnets in project netvirt by opendaylight.
the class SNATDefaultRouteProgrammer method addOrDelDefaultFibRouteToSNATForSubnet.
void addOrDelDefaultFibRouteToSNATForSubnet(Subnets subnet, String networkId, int flowAction, long vpnId) {
String subnetId = subnet.getId().getValue();
InstanceIdentifier<VpnInstanceOpDataEntry> networkVpnInstanceIdentifier = NatUtil.getVpnInstanceOpDataIdentifier(networkId);
Optional<VpnInstanceOpDataEntry> networkVpnInstanceOp = SingleTransactionDataBroker.syncReadOptionalAndTreatReadFailedExceptionAsAbsentOptional(dataBroker, LogicalDatastoreType.OPERATIONAL, networkVpnInstanceIdentifier);
if (!networkVpnInstanceOp.isPresent()) {
LOG.debug("addOrDelDefaultFibRouteToSNATForSubnet : Cannot create/remove default FIB route to SNAT flow " + "for subnet {} vpn-instance-op-data entry for network {} does not exist", subnetId, networkId);
return;
}
List<VpnToDpnList> dpnListInVpn = networkVpnInstanceOp.get().getVpnToDpnList();
if (dpnListInVpn == null) {
LOG.debug("addOrDelDefaultFibRouteToSNATForSubnet : Will not add/remove default NAT flow for subnet {} " + "no dpn set for vpn instance {}", subnetId, networkVpnInstanceOp.get());
return;
}
for (VpnToDpnList dpn : dpnListInVpn) {
String macAddress = NatUtil.getSubnetGwMac(dataBroker, subnet.getId(), networkId);
extNetGroupInstaller.installExtNetGroupEntry(new Uuid(networkId), subnet.getId(), dpn.getDpnId(), macAddress);
FlowEntity flowEntity = NatUtil.buildDefaultNATFlowEntityForExternalSubnet(dpn.getDpnId(), vpnId, subnetId, idManager);
if (flowAction == NwConstants.ADD_FLOW || flowAction == NwConstants.MOD_FLOW) {
LOG.info("addOrDelDefaultFibRouteToSNATForSubnet : Installing flow {} for subnetId {}," + "vpnId {} on dpn {}", flowEntity, subnetId, vpnId, dpn.getDpnId());
mdsalManager.installFlow(flowEntity);
} else {
LOG.info("addOrDelDefaultFibRouteToSNATForSubnet : Removing flow for subnetId {}," + "vpnId {} with dpn {}", subnetId, vpnId, dpn);
mdsalManager.removeFlow(flowEntity);
}
}
}
use of org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.rev160406.transport.zones.transport.zone.Subnets in project netvirt by opendaylight.
the class TransportZoneNotificationUtil method addVtep.
/**
* Tries to add a vtep for a transport zone.
*
* @return Whether a vtep was added or not.
*/
private boolean addVtep(TransportZone zone, String subnetIp, BigInteger dpnId, @Nullable String localIp) {
List<Subnets> zoneSubnets = zone.getSubnets();
if (zoneSubnets == null) {
return false;
}
Subnets subnets = getOrAddSubnet(zoneSubnets, subnetIp);
for (Vteps existingVtep : subnets.getVteps()) {
if (existingVtep.getDpnId().equals(dpnId)) {
return false;
}
}
if (localIp != null) {
IpAddress nodeIp = new IpAddress(localIp.toCharArray());
VtepsBuilder vtepsBuilder = new VtepsBuilder().setDpnId(dpnId).setIpAddress(nodeIp).setPortname(TUNNEL_PORT).setOptionOfTunnel(elanConfig.isUseOfTunnels());
subnets.getVteps().add(vtepsBuilder.build());
return true;
}
return false;
}
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