+++ /dev/null
-/*
- * 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 io.fd.honeycomb.vbd.api.VxlanTunnelIdAllocator;
-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.MountPointService;
-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.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.opendaylight.params.xml.ns.yang.external.reference.rev160129.ExternalReference;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vbridge.topology.rev160129.LinkVbridgeAugment;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vbridge.topology.rev160129.LinkVbridgeAugmentBuilder;
-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.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._interface.type.TunnelInterfaceBuilder;
-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 final KeyedInstanceIdentifier<Topology, TopologyKey> topology;
- @GuardedBy("this")
-
- private final BindingTransactionChain chain;
- private final ListenerRegistration<?> reg;
- private final MountPointService mountService;
- private final VppModifier vppModifier;
- private final VxlanTunnelIdAllocator tunnelIdAllocator;
- private TopologyVbridgeAugment config;
- private final String bridgeDomainName;
- private final String iiBridgeDomainOnVPPRest;
- private Multimap<NodeId, KeyedInstanceIdentifier<Node, NodeKey>> nodesToVpps = ArrayListMultimap.create();
-
- private BridgeDomain(final DataBroker dataBroker, final MountPointService mountService, final KeyedInstanceIdentifier<Topology, TopologyKey> topology,
- final BindingTransactionChain chain, VxlanTunnelIdAllocator tunnelIdAllocator) {
- this.bridgeDomainName = topology.getKey().getTopologyId().getValue();
- this.vppModifier = new VppModifier(mountService, bridgeDomainName);
-
- this.topology = Preconditions.checkNotNull(topology);
- this.chain = Preconditions.checkNotNull(chain);
- this.mountService = mountService;
- this.tunnelIdAllocator = tunnelIdAllocator;
-
- this.iiBridgeDomainOnVPPRest = provideIIBrdigeDomainOnVPPRest();
-
- reg = dataBroker.registerDataTreeChangeListener(
- new DataTreeIdentifier<>(LogicalDatastoreType.CONFIGURATION, topology), this);
- }
-
- 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,
- final VxlanTunnelIdAllocator tunnelIdAllocator) {
-
- 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, tunnelIdAllocator);
- }
-
- 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);
- vppModifier.setConfig(config);
- 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 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 = VbdUtil.resolveDataBrokerForMountPoint(instanceIdentifiersVPP.iterator().next(), mountService);
- vppModifier.addInterfaceToBridgeDomainOnVpp(dataBroker, termPointVbridgeAug);
- }
- }
- }
-
- private void addTunnel(final NodeId sourceNode) {
- final KeyedInstanceIdentifier<Node, NodeKey> iiToSrcVpp = nodesToVpps.get(sourceNode).iterator().next();
- final Integer srcVxlanTunnelId = tunnelIdAllocator.nextIdFor(iiToSrcVpp);
- for (Map.Entry<NodeId, KeyedInstanceIdentifier<Node, NodeKey>> nodeToVpp : nodesToVpps.entries()) {
- if (!nodeToVpp.getKey().equals(sourceNode)) {
- //TODO: check whether returned value from nodesToVpps is not null
- final KeyedInstanceIdentifier<Node, NodeKey> iiToDstVpp = nodeToVpp.getValue();
- final Integer dstVxlanTunnelId = tunnelIdAllocator.nextIdFor(iiToDstVpp);
- final NodeId dstNode = nodeToVpp.getKey();
-
- final ListenableFuture<List<Optional<Ipv4AddressNoZone>>> ipAddressesFuture = vppModifier.readIpAddressesFromVpps(iiToSrcVpp, iiToDstVpp);
- 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> ipAddressSrcVpp = ipAddresses.get(SOURCE_VPP_INDEX);
- final Optional<Ipv4AddressNoZone> ipAddressDstVpp = ipAddresses.get(DESTINATION_VPP_INDEX);
- if (ipAddressSrcVpp != null && ipAddressDstVpp != null) {
- if (ipAddressSrcVpp.isPresent() && ipAddressDstVpp.isPresent()) {
- //writing v3po:vxlan container to source node
- vppModifier.createVirtualInterfaceOnVpp(ipAddressSrcVpp.get(), ipAddressDstVpp.get(), iiToSrcVpp, srcVxlanTunnelId);
-
- //writing v3po:vxlan container to existing node
- vppModifier.createVirtualInterfaceOnVpp(ipAddressDstVpp.get(), ipAddressSrcVpp.get(), iiToDstVpp, dstVxlanTunnelId);
-
- addTerminationPoint(topology.child(Node.class, new NodeKey(dstNode)), dstVxlanTunnelId);
- addTerminationPoint(topology.child(Node.class, new NodeKey(sourceNode)), srcVxlanTunnelId);
-
- addLinkBetweenTerminationPoints(sourceNode, dstNode, srcVxlanTunnelId, dstVxlanTunnelId);
- addLinkBetweenTerminationPoints(dstNode, sourceNode, srcVxlanTunnelId, dstVxlanTunnelId);
- }
- }
- }
- }
-
- @Override
- public void onFailure(Throwable t) {
- LOG.debug("Reading of IP addresses has failed {}.", t);
- }
- });
- }
- }
- }
-
- private void addLinkBetweenTerminationPoints(final NodeId newVpp, final NodeId odlVpp,
- final int srcVxlanTunnelId, final int dstVxlanTunnelId) {
- //TODO clarify how should identifier of link looks like
- final String linkIdStr = newVpp.getValue() + "-" + odlVpp.getValue();
- final LinkId linkId = new LinkId(linkIdStr);
- final KeyedInstanceIdentifier<Link, LinkKey> iiToLink = topology.child(Link.class, new LinkKey(linkId));
- final WriteTransaction wTx = chain.newWriteOnlyTransaction();
- wTx.put(LogicalDatastoreType.OPERATIONAL, iiToLink, prepareLinkData(newVpp, odlVpp, linkId, srcVxlanTunnelId, dstVxlanTunnelId), true);
- wTx.submit();
- }
-
- private static Link prepareLinkData(final NodeId newVpp, final NodeId oldVpp, final LinkId linkId,
- final int srcVxlanTunnelId, final int dstVxlanTunnelId) {
- final LinkBuilder linkBuilder = new LinkBuilder();
- linkBuilder.setLinkId(linkId);
-
- final SourceBuilder sourceBuilder = new SourceBuilder();
- sourceBuilder.setSourceNode(newVpp);
- sourceBuilder.setSourceTp(new TpId(VbdUtil.provideVxlanId(srcVxlanTunnelId)));
- linkBuilder.setSource(sourceBuilder.build());
-
- final DestinationBuilder destinationBuilder = new DestinationBuilder();
- destinationBuilder.setDestNode(oldVpp);
- destinationBuilder.setDestTp(new TpId(VbdUtil.provideVxlanId(dstVxlanTunnelId)));
- linkBuilder.setDestination(destinationBuilder.build());
-
- final LinkVbridgeAugmentBuilder linkVbridgeAugmentBuilder = new LinkVbridgeAugmentBuilder();
- linkVbridgeAugmentBuilder.setTunnel(new ExternalReference(VbdUtil.provideVxlanId(srcVxlanTunnelId)));
- linkBuilder.addAugmentation(LinkVbridgeAugment.class, linkVbridgeAugmentBuilder.build());
- return linkBuilder.build();
- }
-
- 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> iiToVpp = InstanceIdentifier
- .create(NetworkTopology.class)
- .child(Topology.class, new TopologyKey(topologyMount))
- .child(Node.class, new NodeKey(nodeMount));
- nodesToVpps.put(node.getNodeId(), iiToVpp);
- ListenableFuture<Void> addVppToBridgeDomainFuture = vppModifier.addVppToBridgeDomain(iiToVpp, node);
- addSupportingBridgeDomain(addVppToBridgeDomainFuture, node);
- }
- }
-
- private void addSupportingBridgeDomain(final ListenableFuture<Void> addVppToBridgeDomainFuture, final Node node) {
- Futures.addCallback(addVppToBridgeDomainFuture, new FutureCallback<Void>() {
- @Override
- public void onSuccess(Void 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, final int vxlanTunnelId) {
- // build data
- final ExternalReference ref = new ExternalReference(VbdUtil.provideVxlanId(vxlanTunnelId));
- 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(VbdUtil.provideVxlanId(vxlanTunnelId)));
- final TerminationPoint tp = tpBuilder.build();
-
- // process data
- final WriteTransaction wTx = chain.newWriteOnlyTransaction();
- wTx.put(LogicalDatastoreType.OPERATIONAL, nodeIID.child(TerminationPoint.class, tp.getKey()), tp, true);
- 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 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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