use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.path.attributes.attributes.Origin in project netvirt by opendaylight.
the class VpnInterfaceManager method processVpnInterfaceAdjacencies.
@SuppressWarnings("checkstyle:IllegalCatch")
protected void processVpnInterfaceAdjacencies(BigInteger dpnId, final int lportTag, String vpnName, String primaryRd, String interfaceName, final long vpnId, WriteTransaction writeConfigTxn, WriteTransaction writeOperTxn, final WriteTransaction writeInvTxn, Interface interfaceState) {
InstanceIdentifier<VpnInterface> identifier = VpnUtil.getVpnInterfaceIdentifier(interfaceName);
// Read NextHops
InstanceIdentifier<Adjacencies> path = identifier.augmentation(Adjacencies.class);
Optional<Adjacencies> adjacencies = VpnUtil.read(dataBroker, LogicalDatastoreType.CONFIGURATION, path);
if (!adjacencies.isPresent()) {
addVpnInterfaceToOperational(vpnName, interfaceName, dpnId, null, /*adjacencies*/
lportTag, null, /*gwMac*/
writeOperTxn);
return;
}
// Get the rd of the vpn instance
String nextHopIp = null;
try {
nextHopIp = InterfaceUtils.getEndpointIpAddressForDPN(dataBroker, dpnId);
} catch (Exception e) {
LOG.error("processVpnInterfaceAdjacencies: Unable to retrieve endpoint ip address for " + "dpnId {} for vpnInterface {} vpnName {}", dpnId, interfaceName, vpnName);
}
List<String> nhList = new ArrayList<>();
if (nextHopIp != null) {
nhList.add(nextHopIp);
LOG.debug("processVpnInterfaceAdjacencies: NextHop for interface {} on dpn {} in vpn {} is {}", interfaceName, dpnId, vpnName, nhList);
}
Optional<String> gwMac = Optional.absent();
String vpnInterfaceSubnetGwMacAddress = null;
VpnInstanceOpDataEntry vpnInstanceOpData = VpnUtil.getVpnInstanceOpData(dataBroker, primaryRd);
Long l3vni = vpnInstanceOpData.getL3vni();
boolean isL3VpnOverVxLan = VpnUtil.isL3VpnOverVxLan(l3vni);
VrfEntry.EncapType encapType = isL3VpnOverVxLan ? VrfEntry.EncapType.Vxlan : VrfEntry.EncapType.Mplsgre;
VpnPopulator registeredPopulator = L3vpnRegistry.getRegisteredPopulator(encapType);
List<Adjacency> nextHops = adjacencies.get().getAdjacency();
List<Adjacency> value = new ArrayList<>();
for (Adjacency nextHop : nextHops) {
String rd = primaryRd;
String nexthopIpValue = nextHop.getIpAddress().split("/")[0];
if (vpnInstanceOpData.getBgpvpnType() == VpnInstanceOpDataEntry.BgpvpnType.BGPVPNInternet && NWUtil.isIpv4Address(nexthopIpValue)) {
String prefix = nextHop.getIpAddress() == null ? "null" : VpnUtil.getIpPrefix(nextHop.getIpAddress());
LOG.debug("processVpnInterfaceAdjacencies: UnsupportedOperation : Not Adding prefix {} to interface {}" + " as InternetVpn has an IPV4 address {}", prefix, interfaceName, vpnName);
continue;
}
if (nextHop.getAdjacencyType() == AdjacencyType.PrimaryAdjacency) {
String prefix = VpnUtil.getIpPrefix(nextHop.getIpAddress());
Prefixes.PrefixCue prefixCue = nextHop.isPhysNetworkFunc() ? Prefixes.PrefixCue.PhysNetFunc : Prefixes.PrefixCue.None;
LOG.debug("processVpnInterfaceAdjacencies: Adding prefix {} to interface {} with nextHops {} on dpn {}" + " for vpn {}", prefix, interfaceName, nhList, dpnId, vpnName);
writeOperTxn.merge(LogicalDatastoreType.OPERATIONAL, VpnUtil.getPrefixToInterfaceIdentifier(VpnUtil.getVpnId(dataBroker, vpnName), prefix), VpnUtil.getPrefixToInterface(dpnId, interfaceName, prefix, nextHop.getSubnetId(), prefixCue), true);
final Uuid subnetId = nextHop.getSubnetId();
String gatewayIp = nextHop.getSubnetGatewayIp();
if (gatewayIp == null) {
Optional<String> gatewayIpOptional = VpnUtil.getVpnSubnetGatewayIp(dataBroker, subnetId);
if (gatewayIpOptional.isPresent()) {
gatewayIp = gatewayIpOptional.get();
}
}
if (gatewayIp != null) {
gwMac = getMacAddressForSubnetIp(vpnName, interfaceName, gatewayIp);
if (gwMac.isPresent()) {
// A valid mac-address is available for this subnet-gateway-ip
// Use this for programming ARP_RESPONDER table here. And save this
// info into vpnInterface operational, so it can used in VrfEntryProcessor
// to populate L3_GW_MAC_TABLE there.
arpResponderHandler.addArpResponderFlow(dpnId, lportTag, interfaceName, gatewayIp, gwMac.get());
vpnInterfaceSubnetGwMacAddress = gwMac.get();
} else {
// A valid mac-address is not available for this subnet-gateway-ip
// Use the connected-mac-address to configure ARP_RESPONDER Table.
// Save this connected-mac-address as gateway-mac-address for the
// VrfEntryProcessor to use this later to populate the L3_GW_MAC_TABLE.
gwMac = InterfaceUtils.getMacAddressFromInterfaceState(interfaceState);
if (gwMac.isPresent()) {
VpnUtil.setupGwMacIfExternalVpn(dataBroker, mdsalManager, dpnId, interfaceName, vpnId, writeInvTxn, NwConstants.ADD_FLOW, gwMac.get());
arpResponderHandler.addArpResponderFlow(dpnId, lportTag, interfaceName, gatewayIp, gwMac.get());
} else {
LOG.error("processVpnInterfaceAdjacencies: Gateway MAC for subnet ID {} could not be " + "obtained, cannot create ARP responder flow for interface name {}, vpnName {}, " + "gwIp {}", subnetId, interfaceName, vpnName, gatewayIp);
}
}
} else {
LOG.warn("processVpnInterfaceAdjacencies: Gateway IP for subnet ID {} could not be obtained, " + "cannot create ARP responder flow for interface name {}, vpnName {}", subnetId, interfaceName, vpnName);
gwMac = InterfaceUtils.getMacAddressFromInterfaceState(interfaceState);
}
LOG.info("processVpnInterfaceAdjacencies: Added prefix {} to interface {} with nextHops {} on dpn {}" + " for vpn {}", prefix, interfaceName, nhList, dpnId, vpnName);
} else {
// Extra route adjacency
String prefix = VpnUtil.getIpPrefix(nextHop.getIpAddress());
String vpnPrefixKey = VpnUtil.getVpnNamePrefixKey(vpnName, prefix);
synchronized (vpnPrefixKey.intern()) {
java.util.Optional<String> rdToAllocate = VpnUtil.allocateRdForExtraRouteAndUpdateUsedRdsMap(dataBroker, vpnId, null, prefix, vpnName, nextHop.getNextHopIpList().get(0), dpnId);
if (rdToAllocate.isPresent()) {
rd = rdToAllocate.get();
LOG.info("processVpnInterfaceAdjacencies: The rd {} is allocated for the extraroute {}", rd, prefix);
} else {
LOG.error("processVpnInterfaceAdjacencies: No rds to allocate extraroute {}", prefix);
continue;
}
}
LOG.info("processVpnInterfaceAdjacencies: Added prefix {} and nextHopList {} as extra-route for vpn{}" + " interface {} on dpn {}", nextHop.getIpAddress(), nextHop.getNextHopIpList(), vpnName, interfaceName, dpnId);
}
// Please note that primary adjacency will use a subnet-gateway-mac-address that
// can be different from the gateway-mac-address within the VRFEntry as the
// gateway-mac-address is a superset.
RouteOrigin origin = nextHop.getAdjacencyType() == AdjacencyType.PrimaryAdjacency ? RouteOrigin.LOCAL : RouteOrigin.STATIC;
L3vpnInput input = new L3vpnInput().setNextHop(nextHop).setRd(rd).setVpnName(vpnName).setInterfaceName(interfaceName).setNextHopIp(nextHopIp).setPrimaryRd(primaryRd).setSubnetGatewayMacAddress(vpnInterfaceSubnetGwMacAddress).setRouteOrigin(origin);
Adjacency operationalAdjacency = null;
try {
operationalAdjacency = registeredPopulator.createOperationalAdjacency(input);
} catch (NullPointerException e) {
LOG.error("processVpnInterfaceAdjacencies: failed to create operational adjacency: input: {}, {}", input, e.getMessage());
return;
}
if (nextHop.getAdjacencyType() != AdjacencyType.PrimaryAdjacency) {
vpnManager.addExtraRoute(vpnName, nextHop.getIpAddress(), nextHop.getNextHopIpList().get(0), rd, vpnName, l3vni, origin, interfaceName, operationalAdjacency, encapType, writeConfigTxn);
}
value.add(operationalAdjacency);
}
AdjacenciesOp aug = VpnUtil.getVpnInterfaceOpDataEntryAugmentation(value);
addVpnInterfaceToOperational(vpnName, interfaceName, dpnId, aug, lportTag, gwMac.isPresent() ? gwMac.get() : null, writeOperTxn);
L3vpnInput input = new L3vpnInput().setNextHopIp(nextHopIp).setL3vni(l3vni).setPrimaryRd(primaryRd).setGatewayMac(gwMac.orNull()).setInterfaceName(interfaceName).setVpnName(vpnName).setDpnId(dpnId).setEncapType(encapType);
for (Adjacency nextHop : aug.getAdjacency()) {
// Adjacencies other than primary Adjacencies are handled in the addExtraRoute call above.
if (nextHop.getAdjacencyType() == AdjacencyType.PrimaryAdjacency) {
RouteOrigin origin = nextHop.getAdjacencyType() == AdjacencyType.PrimaryAdjacency ? RouteOrigin.LOCAL : RouteOrigin.STATIC;
input.setNextHop(nextHop).setRd(nextHop.getVrfId()).setRouteOrigin(origin);
registeredPopulator.populateFib(input, writeConfigTxn);
}
}
}
use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.path.attributes.attributes.Origin in project netvirt by opendaylight.
the class VpnManagerImpl method addExtraRoute.
@Override
public void addExtraRoute(String vpnName, String destination, String nextHop, String rd, String routerID, Long l3vni, RouteOrigin origin, String intfName, Adjacency operationalAdj, VrfEntry.EncapType encapType, WriteTransaction writeConfigTxn) {
Boolean writeConfigTxnPresent = true;
if (writeConfigTxn == null) {
writeConfigTxnPresent = false;
writeConfigTxn = dataBroker.newWriteOnlyTransaction();
}
// add extra route to vpn mapping; advertise with nexthop as tunnel ip
VpnUtil.syncUpdate(dataBroker, LogicalDatastoreType.OPERATIONAL, VpnExtraRouteHelper.getVpnToExtrarouteVrfIdIdentifier(vpnName, rd != null ? rd : routerID, destination), VpnUtil.getVpnToExtraroute(destination, Collections.singletonList(nextHop)));
BigInteger dpnId = null;
if (intfName != null && !intfName.isEmpty()) {
dpnId = InterfaceUtils.getDpnForInterface(ifaceMgrRpcService, intfName);
String nextHopIp = InterfaceUtils.getEndpointIpAddressForDPN(dataBroker, dpnId);
if (nextHopIp == null || nextHopIp.isEmpty()) {
LOG.error("addExtraRoute: NextHop for interface {} is null / empty." + " Failed advertising extra route for rd {} prefix {} dpn {}", intfName, rd, destination, dpnId);
return;
}
nextHop = nextHopIp;
}
String primaryRd = VpnUtil.getPrimaryRd(dataBroker, vpnName);
// TODO: This is a limitation to be stated in docs. When configuring static route to go to
// another VPN, there can only be one nexthop or, at least, the nexthop to the interVpnLink should be in
// first place.
Optional<InterVpnLinkDataComposite> optVpnLink = interVpnLinkCache.getInterVpnLinkByEndpoint(nextHop);
if (optVpnLink.isPresent() && optVpnLink.get().isActive()) {
InterVpnLinkDataComposite interVpnLink = optVpnLink.get();
// If the nexthop is the endpoint of Vpn2, then prefix must be advertised to Vpn1 in DC-GW, with nexthops
// pointing to the DPNs where Vpn1 is instantiated. LFIB in these DPNS must have a flow entry, with lower
// priority, where if Label matches then sets the lportTag of the Vpn2 endpoint and goes to LportDispatcher
// This is like leaking one of the Vpn2 routes towards Vpn1
String srcVpnUuid = interVpnLink.getVpnNameByIpAddress(nextHop);
String dstVpnUuid = interVpnLink.getOtherVpnNameByIpAddress(nextHop);
String dstVpnRd = VpnUtil.getVpnRd(dataBroker, dstVpnUuid);
long newLabel = VpnUtil.getUniqueId(idManager, VpnConstants.VPN_IDPOOL_NAME, VpnUtil.getNextHopLabelKey(dstVpnRd, destination));
if (newLabel == 0) {
LOG.error("addExtraRoute: Unable to fetch label from Id Manager. Bailing out of adding intervpnlink" + " route for destination {}", destination);
return;
}
ivpnLinkService.leakRoute(interVpnLink, srcVpnUuid, dstVpnUuid, destination, newLabel, RouteOrigin.STATIC);
} else {
Optional<Routes> optVpnExtraRoutes = VpnExtraRouteHelper.getVpnExtraroutes(dataBroker, vpnName, rd != null ? rd : routerID, destination);
if (optVpnExtraRoutes.isPresent()) {
List<String> nhList = optVpnExtraRoutes.get().getNexthopIpList();
if (nhList != null && nhList.size() > 1) {
// If nhList is greater than one for vpnextraroute, a call to populatefib doesn't update vrfentry.
fibManager.refreshVrfEntry(primaryRd, destination);
} else {
L3vpnInput input = new L3vpnInput().setNextHop(operationalAdj).setNextHopIp(nextHop).setL3vni(l3vni).setPrimaryRd(primaryRd).setVpnName(vpnName).setDpnId(dpnId).setEncapType(encapType).setRd(rd).setRouteOrigin(origin);
L3vpnRegistry.getRegisteredPopulator(encapType).populateFib(input, writeConfigTxn);
}
}
}
if (!writeConfigTxnPresent) {
writeConfigTxn.submit();
}
}
use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.path.attributes.attributes.Origin in project netvirt by opendaylight.
the class VpnUtil method getVrfEntriesByOrigin.
/**
* Retrieves the VrfEntries that belong to a given VPN filtered out by
* Origin, searching by its Route-Distinguisher.
*
* @param broker dataBroker service reference
* @param rd Route-distinguisher of the VPN
* @param originsToConsider Only entries whose origin is included in this list will be considered
* @return the list of VrfEntries
*/
public static List<VrfEntry> getVrfEntriesByOrigin(DataBroker broker, String rd, List<RouteOrigin> originsToConsider) {
List<VrfEntry> result = new ArrayList<>();
List<VrfEntry> allVpnVrfEntries = getAllVrfEntries(broker, rd);
for (VrfEntry vrfEntry : allVpnVrfEntries) {
if (originsToConsider.contains(RouteOrigin.value(vrfEntry.getOrigin()))) {
result.add(vrfEntry);
}
}
return result;
}
use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.path.attributes.attributes.Origin in project netvirt by opendaylight.
the class VpnUtil method removeVrfEntriesByOrigin.
/**
* Remove from MDSAL all those VrfEntries in a VPN that have an specific RouteOrigin.
*
* @param broker dataBroker service reference
* @param rd Route Distinguisher
* @param origin Origin of the Routes to be removed (see {@link RouteOrigin})
*/
public static void removeVrfEntriesByOrigin(DataBroker broker, String rd, RouteOrigin origin) {
InstanceIdentifier<VrfTables> vpnVrfTableIid = InstanceIdentifier.builder(FibEntries.class).child(VrfTables.class, new VrfTablesKey(rd)).build();
Optional<VrfTables> vrfTablesOpc = read(broker, LogicalDatastoreType.CONFIGURATION, vpnVrfTableIid);
if (vrfTablesOpc.isPresent()) {
VrfTables vrfTables = vrfTablesOpc.get();
WriteTransaction tx = broker.newWriteOnlyTransaction();
for (VrfEntry vrfEntry : vrfTables.getVrfEntry()) {
if (origin == RouteOrigin.value(vrfEntry.getOrigin())) {
tx.delete(LogicalDatastoreType.CONFIGURATION, vpnVrfTableIid.child(VrfEntry.class, vrfEntry.getKey()));
}
}
tx.submit();
}
}
use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.path.attributes.attributes.Origin in project netvirt by opendaylight.
the class InterVpnLinkUtil method leakRoute.
/**
* Leaks a route from one VPN to another. By default, the origin for this leaked route is INTERVPN.
*
* @param broker dataBroker service reference
* @param bgpManager Used to advertise routes to the BGP Router
* @param interVpnLink Reference to the object that holds the info about the link between the 2 VPNs
* @param srcVpnUuid UUID of the VPN that has the route that is going to be leaked to the other VPN
* @param dstVpnUuid UUID of the VPN that is going to receive the route
* @param prefix Prefix of the route
* @param label Label of the route in the original VPN
*/
// TODO Clean up the exception handling
@SuppressWarnings("checkstyle:IllegalCatch")
public static void leakRoute(DataBroker broker, IBgpManager bgpManager, InterVpnLink interVpnLink, String srcVpnUuid, String dstVpnUuid, String prefix, Long label) {
Preconditions.checkNotNull(interVpnLink);
// The source VPN must participate in the InterVpnLink
Preconditions.checkArgument(interVpnLink.getFirstEndpoint().getVpnUuid().getValue().equals(srcVpnUuid) || interVpnLink.getSecondEndpoint().getVpnUuid().getValue().equals(srcVpnUuid), "The source VPN {} does not participate in the interVpnLink {}", srcVpnUuid, interVpnLink.getName());
// The destination VPN must participate in the InterVpnLink
Preconditions.checkArgument(interVpnLink.getFirstEndpoint().getVpnUuid().getValue().equals(dstVpnUuid) || interVpnLink.getSecondEndpoint().getVpnUuid().getValue().equals(dstVpnUuid), "The destination VPN {} does not participate in the interVpnLink {}", dstVpnUuid, interVpnLink.getName());
boolean destinationIs1stEndpoint = interVpnLink.getFirstEndpoint().getVpnUuid().getValue().equals(dstVpnUuid);
String endpointIp = destinationIs1stEndpoint ? interVpnLink.getSecondEndpoint().getIpAddress().getValue() : interVpnLink.getFirstEndpoint().getIpAddress().getValue();
VrfEntry newVrfEntry = FibHelper.getVrfEntryBuilder(prefix, label, endpointIp, RouteOrigin.INTERVPN, null).build();
String dstVpnRd = VpnUtil.getVpnRd(broker, dstVpnUuid);
InstanceIdentifier<VrfEntry> newVrfEntryIid = InstanceIdentifier.builder(FibEntries.class).child(VrfTables.class, new VrfTablesKey(dstVpnRd)).child(VrfEntry.class, new VrfEntryKey(newVrfEntry.getDestPrefix())).build();
VpnUtil.asyncWrite(broker, LogicalDatastoreType.CONFIGURATION, newVrfEntryIid, newVrfEntry);
// Finally, route is advertised it to the DC-GW. But while in the FibEntries the nexthop is the other
// endpoint's IP, in the DC-GW the nexthop for those prefixes are the IPs of those DPNs where the target
// VPN has been instantiated
Optional<InterVpnLinkState> optVpnLinkState = getInterVpnLinkState(broker, interVpnLink.getName());
if (optVpnLinkState.isPresent()) {
InterVpnLinkState vpnLinkState = optVpnLinkState.get();
List<BigInteger> dpnIdList = destinationIs1stEndpoint ? vpnLinkState.getFirstEndpointState().getDpId() : vpnLinkState.getSecondEndpointState().getDpId();
List<String> nexthops = new ArrayList<>();
for (BigInteger dpnId : dpnIdList) {
nexthops.add(InterfaceUtils.getEndpointIpAddressForDPN(broker, dpnId));
}
try {
LOG.debug("Advertising route in VPN={} [prefix={} label={} nexthops={}] to DC-GW", dstVpnRd, newVrfEntry.getDestPrefix(), label.intValue(), nexthops);
bgpManager.advertisePrefix(dstVpnRd, null, /*macAddress*/
newVrfEntry.getDestPrefix(), nexthops, VrfEntry.EncapType.Mplsgre, label.intValue(), 0, /*l3vni*/
0, /*l2vni*/
null);
} catch (Exception ex) {
LOG.error("Could not advertise prefix {} with label {} to VPN rd={}", newVrfEntry.getDestPrefix(), label.intValue(), dstVpnRd, ex);
}
} else {
LOG.warn("Error when advertising leaked routes: Could not find State for InterVpnLink={}", interVpnLink.getName());
}
}
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