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/*
* Copyright (c) 2016 Cisco Systems, Inc. and others. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v1.0 which accompanies this distribution,
* and is available at http://www.eclipse.org/legal/epl-v10.html
*/
package io.fd.honeycomb.vbd.impl;
import com.google.common.base.Optional;
import com.google.common.base.Preconditions;
import com.google.common.collect.ArrayListMultimap;
import com.google.common.collect.Multimap;
import com.google.common.util.concurrent.CheckedFuture;
import com.google.common.util.concurrent.FutureCallback;
import com.google.common.util.concurrent.Futures;
import com.google.common.util.concurrent.ListenableFuture;
import com.google.common.util.concurrent.SettableFuture;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import java.util.Map;
import javax.annotation.Nullable;
import javax.annotation.concurrent.GuardedBy;
import org.opendaylight.controller.md.sal.binding.api.BindingTransactionChain;
import org.opendaylight.controller.md.sal.binding.api.DataBroker;
import org.opendaylight.controller.md.sal.binding.api.DataObjectModification;
import org.opendaylight.controller.md.sal.binding.api.DataObjectModification.ModificationType;
import org.opendaylight.controller.md.sal.binding.api.DataTreeChangeListener;
import org.opendaylight.controller.md.sal.binding.api.DataTreeIdentifier;
import org.opendaylight.controller.md.sal.binding.api.DataTreeModification;
import org.opendaylight.controller.md.sal.binding.api.MountPoint;
import org.opendaylight.controller.md.sal.binding.api.MountPointService;
import org.opendaylight.controller.md.sal.binding.api.ReadOnlyTransaction;
import org.opendaylight.controller.md.sal.binding.api.WriteTransaction;
import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
import org.opendaylight.controller.md.sal.common.api.data.ReadFailedException;
import org.opendaylight.controller.md.sal.common.api.data.TransactionCommitFailedException;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4AddressNoZone;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.Interfaces;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.Interface;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.InterfaceBuilder;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.InterfaceKey;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev140616.Interface1;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev140616.interfaces._interface.Ipv4;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev140616.interfaces._interface.ipv4.Address;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.external.reference.rev160129.ExternalReference;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.Vpp;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.VppInterfaceAugmentation;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.VppInterfaceAugmentationBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.interfaces._interface.L2;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.interfaces._interface.L2Builder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.interfaces._interface.Vxlan;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.interfaces._interface.VxlanBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.interfaces._interface.l2.interconnection.BridgeBasedBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.vpp.BridgeDomains;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.vpp.bridge.domains.BridgeDomainBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.vpp.bridge.domains.BridgeDomainKey;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vbridge.topology.rev160129.NodeVbridgeAugment;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vbridge.topology.rev160129.TerminationPointVbridgeAugment;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vbridge.topology.rev160129.TerminationPointVbridgeAugmentBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vbridge.topology.rev160129.TopologyVbridgeAugment;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vbridge.topology.rev160129.network.topology.topology.TunnelParameters;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vbridge.topology.rev160129.network.topology.topology.node.BridgeMember;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vbridge.topology.rev160129.network.topology.topology.node.BridgeMemberBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vbridge.topology.rev160129.network.topology.topology.node.termination.point.InterfaceType;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vbridge.topology.rev160129.network.topology.topology.node.termination.point._interface.type.TunnelInterfaceBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vbridge.topology.rev160129.network.topology.topology.node.termination.point._interface.type.UserInterface;
import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.LinkId;
import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NetworkTopology;
import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NodeId;
import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.TopologyId;
import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.TpId;
import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.link.attributes.DestinationBuilder;
import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.link.attributes.SourceBuilder;
import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.Topology;
import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.TopologyKey;
import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Link;
import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.LinkBuilder;
import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.LinkKey;
import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.NodeKey;
import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.node.TerminationPoint;
import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.node.TerminationPointBuilder;
import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.node.attributes.SupportingNode;
import org.opendaylight.yangtools.concepts.ListenerRegistration;
import org.opendaylight.yangtools.yang.binding.DataObject;
import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
import org.opendaylight.yangtools.yang.binding.KeyedInstanceIdentifier;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Implementation of a single Virtual Bridge Domain. It is bound to a particular network topology instance, manages
* bridge members and projects state into the operational data store.
*/
final class BridgeDomain implements DataTreeChangeListener<Topology> {
private static final Logger LOG = LoggerFactory.getLogger(BridgeDomain.class);
private static final int SOURCE_VPP_INDEX = 0;
private static final int DESTINATION_VPP_INDEX = 1;
private static final String TUNNEL_ID_PREFIX = "vxlan_tunnel";
private static final String TUNNEL_DESCRIPTION = "virtual interface which interconnects VPPs";
private static final Long DEFAULT_ENCAP_VRF_ID = 0L;
private final KeyedInstanceIdentifier<Topology, TopologyKey> topology;
@GuardedBy("this")
private final BindingTransactionChain chain;
private final ListenerRegistration<?> reg;
private final MountPointService mountService;
private TopologyVbridgeAugment config;
private final String bridgeDomainName;
private final InstanceIdentifier<org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.vpp.bridge.domains.BridgeDomain> iiBridgeDomainOnVPP;
private final String iiBridgeDomainOnVPPRest;
private final DataBroker dataBroker;
private Multimap<NodeId, KeyedInstanceIdentifier<Node, NodeKey>> nodesToVpps = ArrayListMultimap.create();
private final List<Integer> tunnelIds;
private BridgeDomain(final DataBroker dataBroker, final MountPointService mountService, final KeyedInstanceIdentifier<Topology, TopologyKey> topology,
final BindingTransactionChain chain) {
this.topology = Preconditions.checkNotNull(topology);
this.chain = Preconditions.checkNotNull(chain);
this.mountService = mountService;
this.bridgeDomainName = topology.getKey().getTopologyId().getValue();
this.iiBridgeDomainOnVPPRest = provideIIBrdigeDomainOnVPPRest();
this.iiBridgeDomainOnVPP = InstanceIdentifier.create(Vpp.class)
.child(BridgeDomains.class)
.child(org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.vpp.bridge.domains.BridgeDomain.class, new BridgeDomainKey(bridgeDomainName));
this.dataBroker = dataBroker;
reg = dataBroker.registerDataTreeChangeListener(
new DataTreeIdentifier<>(LogicalDatastoreType.CONFIGURATION, topology), this);
this.tunnelIds = new ArrayList<>();
}
private String provideIIBrdigeDomainOnVPPRest() {
final StringBuilder strBuilder = new StringBuilder();
strBuilder.append("v3po:vpp/bridge-domains/bridge-domain/");
strBuilder.append(bridgeDomainName);
return strBuilder.toString();
}
static BridgeDomain create(final DataBroker dataBroker,
MountPointService mountService, final KeyedInstanceIdentifier<Topology, TopologyKey> topology, final BindingTransactionChain chain) {
LOG.debug("Wiping operational state of {}", topology);
final WriteTransaction tx = chain.newWriteOnlyTransaction();
tx.delete(LogicalDatastoreType.OPERATIONAL, topology);
tx.submit();
return new BridgeDomain(dataBroker, mountService, topology, chain);
}
synchronized void forceStop() {
LOG.info("Bridge domain {} for {} going down", this, topology);
reg.close();
chain.close();
LOG.info("Bridge domain {} for {} is down", this, topology);
}
synchronized void stop() {
LOG.debug("Bridge domain {} for {} shutting down", this, topology);
final WriteTransaction tx = chain.newWriteOnlyTransaction();
tx.delete(LogicalDatastoreType.OPERATIONAL, topology);
tx.submit();
chain.close();
}
@Override
public synchronized void onDataTreeChanged(final Collection<DataTreeModification<Topology>> changes) {
for (DataTreeModification<Topology> c : changes) {
LOG.debug("Domain {} for {} processing change {}", this, topology, c);
final DataObjectModification<Topology> mod = c.getRootNode();
switch (mod.getModificationType()) {
case DELETE:
LOG.debug("Topology {} deleted, expecting shutdown", topology);
break;
case SUBTREE_MODIFIED:
// First check if the configuration has changed
final DataObjectModification<TopologyVbridgeAugment> newConfig = mod.getModifiedAugmentation(TopologyVbridgeAugment.class);
if (newConfig != null) {
if (newConfig.getModificationType() != ModificationType.DELETE) {
LOG.debug("Topology {} modified configuration {}", topology, newConfig);
updateConfiguration(newConfig);
} else {
// FIXME: okay, what can we do about this one?
LOG.error("Topology {} configuration deleted, good luck!", topology);
}
}
for (DataObjectModification<? extends DataObject> child : mod.getModifiedChildren()) {
LOG.debug("Topology {} modified child {}", topology, child);
if (Node.class.isAssignableFrom(child.getDataType())) {
modifyNode((DataObjectModification<Node>) child);
}
}
break;
case WRITE:
final Topology data = mod.getDataAfter();
// Read configuration
final TopologyVbridgeAugment config = data.getAugmentation(TopologyVbridgeAugment.class);
if (config != null) {
setConfiguration(config);
} else {
LOG.error("Topology {} has no configuration, good luck!", topology);
}
// FIXME: deal with nodes
break;
default:
LOG.warn("Unhandled topology modification {}", mod);
break;
}
}
}
private void modifyNode(final DataObjectModification<Node> nodeMod) {
switch (nodeMod.getModificationType()) {
case DELETE:
LOG.debug("Topology {} node {} deleted", topology, nodeMod.getIdentifier());
// FIXME: do something
break;
case SUBTREE_MODIFIED:
LOG.debug("Topology {} node {} modified", topology, nodeMod.getIdentifier());
for (DataObjectModification<? extends DataObject> nodeChild : nodeMod.getModifiedChildren()) {
if (TerminationPoint.class.isAssignableFrom(nodeChild.getDataType())) {
modifyTerminationPoint((DataObjectModification<TerminationPoint>) nodeChild,nodeMod.getDataAfter().getNodeId());
}
}
break;
case WRITE:
LOG.debug("Topology {} node {} created", topology, nodeMod.getIdentifier());
final int numberVppsBeforeAddition = nodesToVpps.keySet().size();
final Node newNode = nodeMod.getDataAfter();
createNode(newNode);
final int numberVppsAfterAddition = nodesToVpps.keySet().size();
if ((numberVppsBeforeAddition < numberVppsAfterAddition) && (numberVppsBeforeAddition >= 1)) {
addTunnel(newNode.getNodeId());
}
break;
default:
LOG.warn("Unhandled node modification {} in topology {}", nodeMod, topology);
break;
}
}
private void addTunnel(final NodeId newNode) {
for (Map.Entry<NodeId, KeyedInstanceIdentifier<Node, NodeKey>> entryToVpp : nodesToVpps.entries()) {
if (!entryToVpp.getKey().equals(newNode)) {
//TODO: check whether returned value from nodesToVpps is not null
final KeyedInstanceIdentifier<Node, NodeKey> iiToOldVpp = entryToVpp.getValue();
final KeyedInstanceIdentifier<Node, NodeKey> iiToNewVpp = nodesToVpps.get(newNode).iterator().next();
final NodeId oldNode = entryToVpp.getKey();
final ListenableFuture<List<Optional<Ipv4AddressNoZone>>> ipAddressesFuture = readIpAddressesFromVpps(iiToOldVpp, iiToNewVpp);
Futures.addCallback(ipAddressesFuture, new FutureCallback<List<Optional<Ipv4AddressNoZone>>>() {
@Override
public void onSuccess(List<Optional<Ipv4AddressNoZone>> ipAddresses) {
if (ipAddresses.size() == 2) {
LOG.debug("All required IP addresses for creating tunnel were obtained.");
final Optional<Ipv4AddressNoZone> ipAddressNewVpp = ipAddresses.get(SOURCE_VPP_INDEX);
final Optional<Ipv4AddressNoZone> ipAddressOldVpp = ipAddresses.get(DESTINATION_VPP_INDEX);
if (ipAddressNewVpp != null && ipAddressOldVpp != null) {
if (ipAddressNewVpp.isPresent() && ipAddressOldVpp.isPresent()) {
//writing v3po:vxlan container to new node
Vxlan vxlanData = prepareVxlan(ipAddressNewVpp.get(),ipAddressOldVpp.get());
Interface intfData = prepareVirtualInterfaceData(vxlanData);
createVirtualInterfaceOnVpp(intfData, iiToNewVpp);
//writing v3po:vxlan container to existing node
vxlanData = prepareVxlan(ipAddressOldVpp.get(),ipAddressNewVpp.get());
intfData = prepareVirtualInterfaceData(vxlanData);
createVirtualInterfaceOnVpp(intfData, iiToOldVpp);
addTerminationPoint(iiToOldVpp);
addTerminationPoint(iiToNewVpp);
addLinkBetweenTerminationPoints(newNode,oldNode);
}
}
}
}
private void createVirtualInterfaceOnVpp(final Interface intfData, final KeyedInstanceIdentifier<Node, NodeKey> iiToVpp) {
final DataBroker vppDataBroker = resolveDataBrokerForMountPoint(iiToVpp);
if (vppDataBroker != null) {
final WriteTransaction wTx = vppDataBroker.newWriteOnlyTransaction();
final KeyedInstanceIdentifier<Interface, InterfaceKey> iiToInterface
= InstanceIdentifier.create(Interfaces.class).child(Interface.class, new InterfaceKey(TUNNEL_ID_PREFIX + "0"));
wTx.put(LogicalDatastoreType.CONFIGURATION, iiToInterface, intfData);
wTx.submit();
} else {
LOG.debug("Writing virtual interface {} to VPP {} wasn't successfull because missing data broker.",TUNNEL_DESCRIPTION, iiToVpp);
}
}
private Interface prepareVirtualInterfaceData(final Vxlan vxlan) {
final InterfaceBuilder interfaceBuilder = new InterfaceBuilder();
//TODO implement tunnel counter
interfaceBuilder.setName(TUNNEL_ID_PREFIX + "0");
VppInterfaceAugmentationBuilder vppInterfaceAugmentationBuilder = new VppInterfaceAugmentationBuilder();
vppInterfaceAugmentationBuilder.setVxlan(vxlan);
interfaceBuilder.addAugmentation(VppInterfaceAugmentation.class, vppInterfaceAugmentationBuilder.build());
return interfaceBuilder.build();
}
private Vxlan prepareVxlan(final Ipv4AddressNoZone ipSrc, final Ipv4AddressNoZone ipDst) {
final VxlanBuilder vxlanBuilder = new VxlanBuilder();
vxlanBuilder.setSrc(ipSrc);
vxlanBuilder.setDst(ipDst);
final TunnelParameters tunnelParameters = config.getTunnelParameters();
if (tunnelParameters instanceof org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vbridge.topology.rev160129.network.topology.topology.tunnel.parameters.Vxlan) {
org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vbridge.topology.rev160129.network.topology.topology.tunnel.parameters.Vxlan vxlan =
(org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vbridge.topology.rev160129.network.topology.topology.tunnel.parameters.Vxlan) tunnelParameters;
//TODO: handle NPE
vxlanBuilder.setVni(vxlan.getVxlan().getVni());
}
vxlanBuilder.setEncapVrfId(DEFAULT_ENCAP_VRF_ID);
return vxlanBuilder.build();
}
@Override
public void onFailure(Throwable t) {
}
});
}
}
}
private void addLinkBetweenTerminationPoints(final NodeId newVpp, final NodeId odlVpp) {
//TODO clarify how should identifier of link looks like
final String linkId = newVpp.getValue() + "-" + odlVpp.getValue();
final KeyedInstanceIdentifier<Link, LinkKey> iiToLink = topology.child(Link.class, new LinkKey(new LinkId(linkId)));
final WriteTransaction wTx = chain.newWriteOnlyTransaction();
wTx.put(LogicalDatastoreType.OPERATIONAL, iiToLink, prepareData(newVpp,odlVpp));
wTx.submit();
}
private Link prepareData(NodeId newVpp, NodeId oldVpp) {
final LinkBuilder linkBuilder = new LinkBuilder();
final SourceBuilder sourceBuilder = new SourceBuilder();
sourceBuilder.setSourceNode(newVpp);
sourceBuilder.setSourceTp(new TpId(TUNNEL_ID_PREFIX + "0"));
linkBuilder.setSource(sourceBuilder.build());
final DestinationBuilder destinationBuilder = new DestinationBuilder();
destinationBuilder.setDestNode(oldVpp);
destinationBuilder.setDestTp(new TpId(TUNNEL_ID_PREFIX + "0"));
linkBuilder.setDestination(destinationBuilder.build());
//TODO add augmentation link-vbridge-augment. What should be there???
return linkBuilder.build();
}
private ListenableFuture<List<Optional<Ipv4AddressNoZone>>> readIpAddressesFromVpps(final KeyedInstanceIdentifier<Node, NodeKey>... iiToVpps) {
final List<ListenableFuture<Optional<Ipv4AddressNoZone>>> ipv4Futures = new ArrayList<>();
for (final KeyedInstanceIdentifier<Node, NodeKey> iiToVpp : iiToVpps) {
ipv4Futures.add(readIpAddressFromVpp(iiToVpp));
}
return Futures.successfulAsList(ipv4Futures);
}
private ListenableFuture<Optional<Ipv4AddressNoZone>> readIpAddressFromVpp(final KeyedInstanceIdentifier<Node, NodeKey> iiToVpp) {
final SettableFuture<Optional<Ipv4AddressNoZone>> resultFuture = SettableFuture.create();
final DataBroker vppDataBroker = resolveDataBrokerForMountPoint(iiToVpp);
final ReadOnlyTransaction rTx = vppDataBroker.newReadOnlyTransaction();
final CheckedFuture<Optional<Interfaces>, ReadFailedException> interfaceStateFuture
= rTx.read(LogicalDatastoreType.CONFIGURATION, InstanceIdentifier.create(Interfaces.class));
Futures.addCallback(interfaceStateFuture, new FutureCallback<Optional<Interfaces>>() {
@Override
public void onSuccess(Optional<Interfaces> optInterfaces) {
if (optInterfaces.isPresent()) {
for (org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.Interface intf : optInterfaces.get().getInterface()) {
final Interface1 interface1 = intf.getAugmentation(Interface1.class);
if (interface1 != null) {
final Ipv4 ipv4 = interface1.getIpv4();
if (ipv4 != null) {
final List<Address> addresses = ipv4.getAddress();
if (!addresses.isEmpty()) {
final Ipv4AddressNoZone ip = addresses.iterator().next().getIp();
if (ip != null) {
resultFuture.set(Optional.of(ip));
break;
}
}
}
}
}
}
resultFuture.set(Optional.<Ipv4AddressNoZone>absent());
}
@Override
public void onFailure(Throwable t) {
resultFuture.setException(t);
}
});
return resultFuture;
}
private void modifyTerminationPoint(final DataObjectModification<TerminationPoint> nodeChild, final NodeId nodeId) {
final TerminationPoint terminationPoint = nodeChild.getDataAfter();
final TerminationPointVbridgeAugment termPointVbridgeAug = terminationPoint.getAugmentation(TerminationPointVbridgeAugment.class);
if (termPointVbridgeAug != null) {
final Collection<KeyedInstanceIdentifier<Node, NodeKey>> instanceIdentifiersVPP = nodesToVpps.get(nodeId);
//TODO: probably iterate via all instance identifiers.
if (!instanceIdentifiersVPP.isEmpty()) {
final DataBroker dataBroker = resolveDataBrokerForMountPoint(instanceIdentifiersVPP.iterator().next());
addInterfaceToBridgeDomainOnVpp(dataBroker, termPointVbridgeAug);
}
}
}
private void addInterfaceToBridgeDomainOnVpp(final DataBroker vppDataBroker, final TerminationPointVbridgeAugment termPointVbridgeAug) {
final InterfaceType interfaceType = termPointVbridgeAug.getInterfaceType();
if (interfaceType instanceof UserInterface) {
//REMARK: according contract in YANG model this should be URI to data on mount point (accroding to RESTCONF)
//It was much more easier to just await concrete interface name, thus isn't necessary parse it (splitting on '/')
final ExternalReference userInterface = ((UserInterface) interfaceType).getUserInterface();
final KeyedInstanceIdentifier<Interface, InterfaceKey> iiToVpp =
InstanceIdentifier.create(Interfaces.class)
.child(Interface.class, new InterfaceKey(userInterface.getValue()));
InstanceIdentifier<L2> iiToV3poL2 = iiToVpp.augmentation(VppInterfaceAugmentation.class).child(L2.class);
LOG.debug("Writing L2 data to configuration DS to concrete interface.");
final WriteTransaction wTx = vppDataBroker.newWriteOnlyTransaction();
wTx.put(LogicalDatastoreType.CONFIGURATION, iiToV3poL2, prepareL2Data());
wTx.submit();
}
}
private L2 prepareL2Data() {
final L2Builder l2Builder = new L2Builder();
final BridgeBasedBuilder bridgeBasedBuilder = new BridgeBasedBuilder();
bridgeBasedBuilder.setSplitHorizonGroup((short) 0);
bridgeBasedBuilder.setBridgedVirtualInterface(false);
bridgeBasedBuilder.setBridgeDomain(bridgeDomainName);
l2Builder.setInterconnection(bridgeBasedBuilder.build());
return l2Builder.build();
}
private DataBroker resolveDataBrokerForMountPoint(final InstanceIdentifier<Node> iiToMountPoint) {
final Optional<MountPoint> vppMountPointOpt = mountService.getMountPoint(iiToMountPoint);
if (vppMountPointOpt.isPresent()) {
final MountPoint vppMountPoint = vppMountPointOpt.get();
final Optional<DataBroker> dataBrokerOpt = vppMountPoint.getService(DataBroker.class);
if (dataBrokerOpt.isPresent()) {
return dataBrokerOpt.get();
}
}
return null;
}
private void createNode(final Node node) {
for (SupportingNode supportingNode : node.getSupportingNode()) {
final NodeId nodeMount = supportingNode.getNodeRef();
final TopologyId topologyMount = supportingNode.getTopologyRef();
final KeyedInstanceIdentifier<Node, NodeKey> iiToMount = InstanceIdentifier
.create(NetworkTopology.class)
.child(Topology.class, new TopologyKey(topologyMount))
.child(Node.class, new NodeKey(nodeMount));
nodesToVpps.put(node.getNodeId(), iiToMount);
final DataBroker dataBrokerOfMount = resolveDataBrokerForMountPoint(iiToMount);
addVppToBridgeDomain(dataBrokerOfMount, node);
}
}
private void addVppToBridgeDomain(final DataBroker vppDataBroker, final Node node) {
if (vppDataBroker != null) {
final WriteTransaction wTx = vppDataBroker.newWriteOnlyTransaction();
wTx.put(LogicalDatastoreType.CONFIGURATION, iiBridgeDomainOnVPP, prepareNewBridgeDomainData());
final CheckedFuture<Void, TransactionCommitFailedException> addVppToBridgeDomainFuture = wTx.submit();
addSupportingBridgeDomain(addVppToBridgeDomainFuture, node);
}
}
private void addSupportingBridgeDomain(final CheckedFuture<Void, TransactionCommitFailedException> addVppToBridgeDomainFuture, final Node node) {
Futures.addCallback(addVppToBridgeDomainFuture, new FutureCallback() {
@Override
public void onSuccess(Object result) {
LOG.debug("Storing bridge member to operational DS....");
final BridgeMemberBuilder bridgeMemberBuilder = new BridgeMemberBuilder();
bridgeMemberBuilder.setSupportingBridgeDomain(new ExternalReference(iiBridgeDomainOnVPPRest));
final InstanceIdentifier<BridgeMember> iiToBridgeMember = topology.child(Node.class, node.getKey()).augmentation(NodeVbridgeAugment.class).child(BridgeMember.class);
final WriteTransaction wTx = chain.newWriteOnlyTransaction();
wTx.put(LogicalDatastoreType.OPERATIONAL, iiToBridgeMember, bridgeMemberBuilder.build(), true);
wTx.submit();
}
@Override
public void onFailure(Throwable t) {
//TODO handle this state
}
});
}
private void addTerminationPoint(final KeyedInstanceIdentifier<Node, NodeKey> nodeIID) {
String tunnelId = TUNNEL_ID_PREFIX + "0";
// build data
final ExternalReference ref = new ExternalReference(tunnelId);
final TunnelInterfaceBuilder iFaceBuilder = new TunnelInterfaceBuilder();
iFaceBuilder.setTunnelInterface(ref);
final TerminationPointVbridgeAugmentBuilder tpAugmentBuilder = new TerminationPointVbridgeAugmentBuilder();
tpAugmentBuilder.setInterfaceType(iFaceBuilder.build());
final TerminationPointBuilder tpBuilder = new TerminationPointBuilder();
tpBuilder.addAugmentation(TerminationPointVbridgeAugment.class, tpAugmentBuilder.build());
tpBuilder.setTpId(new TpId(tunnelId));
final TerminationPoint tp = tpBuilder.build();
// process data
final WriteTransaction wTx = chain.newWriteOnlyTransaction();
wTx.put(LogicalDatastoreType.OPERATIONAL, nodeIID.child(TerminationPoint.class, tp.getKey()), tp);
final CheckedFuture<Void, TransactionCommitFailedException> future = wTx.submit();
Futures.addCallback(future, new FutureCallback<Void>() {
@Override
public void onSuccess(@Nullable Void result) {
LOG.debug("Termination point successfully added to {}.", nodeIID);
}
@Override
public void onFailure(Throwable t) {
LOG.warn("Failed to add termination point to {}.", nodeIID);
}
});
}
private org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.vpp.bridge.domains.BridgeDomain
prepareNewBridgeDomainData() {
final BridgeDomainBuilder bridgeDomainBuilder = new BridgeDomainBuilder(config);
bridgeDomainBuilder.setName(topology.getKey().getTopologyId().getValue());
return bridgeDomainBuilder.build();
}
private void setConfiguration(final TopologyVbridgeAugment config) {
LOG.debug("Topology {} configuration set to {}", topology, config);
this.config = config;
}
@GuardedBy("this")
private void updateConfiguration(final DataObjectModification<TopologyVbridgeAugment> mod) {
LOG.debug("Topology {} configuration changed", topology);
// FIXME: do something smarter
setConfiguration(mod.getDataAfter());
}
}
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