*/
package org.opendaylight.netvirt.neutronvpn;
+import com.google.common.base.Optional;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.List;
import org.opendaylight.controller.md.sal.binding.api.DataBroker;
-import org.opendaylight.controller.md.sal.binding.api.DataChangeListener;
-import org.opendaylight.controller.md.sal.common.api.data.AsyncDataBroker.DataChangeScope;
import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
-import org.opendaylight.genius.mdsalutil.AbstractDataChangeListener;
+import org.opendaylight.genius.datastoreutils.AsyncDataTreeChangeListenerBase;
+import org.opendaylight.genius.mdsalutil.NwConstants;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.Uuid;
import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.l3.rev150712.l3.attributes.Routes;
import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.l3.rev150712.routers.attributes.Routers;
import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.l3.rev150712.routers.attributes.routers.Router;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.l3.rev150712.routers.attributes.routers.router.Interfaces;
import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.rev150712.Neutron;
-import org.opendaylight.yangtools.concepts.ListenerRegistration;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.netvirt.inter.vpn.link.rev160311.inter.vpn.link.states.InterVpnLinkState;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.netvirt.inter.vpn.link.rev160311.inter.vpn.links.InterVpnLink;
import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
-import java.util.ArrayList;
-import java.util.Iterator;
-import java.util.List;
-
-public class NeutronRouterChangeListener extends AbstractDataChangeListener<Router> implements AutoCloseable {
+public class NeutronRouterChangeListener extends AsyncDataTreeChangeListenerBase<Router, NeutronRouterChangeListener>
+ implements AutoCloseable {
private static final Logger LOG = LoggerFactory.getLogger(NeutronRouterChangeListener.class);
+ private final DataBroker dataBroker;
+ private final NeutronvpnManager nvpnManager;
+ private final NeutronvpnNatManager nvpnNatManager;
+ private final NeutronSubnetGwMacResolver gwMacResolver;
- private ListenerRegistration<DataChangeListener> listenerRegistration;
- private final DataBroker broker;
- private NeutronvpnManager nvpnManager;
-
+ public NeutronRouterChangeListener(final DataBroker dataBroker, final NeutronvpnManager neutronvpnManager,
+ final NeutronvpnNatManager neutronvpnNatManager,
+ NeutronSubnetGwMacResolver gwMacResolver) {
+ super(Router.class, NeutronRouterChangeListener.class);
+ this.dataBroker = dataBroker;
+ nvpnManager = neutronvpnManager;
+ nvpnNatManager = neutronvpnNatManager;
+ this.gwMacResolver = gwMacResolver;
+ }
- public NeutronRouterChangeListener(final DataBroker db, NeutronvpnManager nVpnMgr) {
- super(Router.class);
- broker = db;
- nvpnManager = nVpnMgr;
- registerListener(db);
+ public void start() {
+ LOG.info("{} start", getClass().getSimpleName());
+ registerListener(LogicalDatastoreType.CONFIGURATION, dataBroker);
}
@Override
- public void close() throws Exception {
- if (listenerRegistration != null) {
- try {
- listenerRegistration.close();
- } catch (final Exception e) {
- LOG.error("Error when cleaning up DataChangeListener.", e);
- }
- listenerRegistration = null;
- }
- LOG.info("N_Router listener Closed");
+ protected InstanceIdentifier<Router> getWildCardPath() {
+ return InstanceIdentifier.create(Neutron.class).child(Routers.class).child(Router.class);
}
-
- private void registerListener(final DataBroker db) {
- try {
- listenerRegistration = db.registerDataChangeListener(LogicalDatastoreType.CONFIGURATION,
- InstanceIdentifier.create(Neutron.class).child(Routers.class).child(Router.class),
- NeutronRouterChangeListener.this, DataChangeScope.SUBTREE);
- } catch (final Exception e) {
- LOG.error("Neutron Manager Router DataChange listener registration fail!", e);
- throw new IllegalStateException("Neutron Manager Router DataChange listener registration failed.", e);
- }
+ @Override
+ protected NeutronRouterChangeListener getDataTreeChangeListener() {
+ return NeutronRouterChangeListener.this;
}
+
@Override
protected void add(InstanceIdentifier<Router> identifier, Router input) {
- if (LOG.isTraceEnabled()) {
- LOG.trace("Adding Router : key: " + identifier + ", value=" + input);
- }
+ LOG.trace("Adding Router : key: {}, value={}", identifier, input);
+ NeutronvpnUtils.addToRouterCache(input);
// Create internal VPN
- nvpnManager.createL3Vpn(input.getUuid(), null, null, null, null, null, input.getUuid(), null);
+ nvpnManager.createL3InternalVpn(input.getUuid(), null, null, null, null, null, input.getUuid(), null);
+ nvpnNatManager.handleExternalNetworkForRouter(null, input);
+ gwMacResolver.sendArpRequestsToExtGateways(input);
}
@Override
protected void remove(InstanceIdentifier<Router> identifier, Router input) {
- if (LOG.isTraceEnabled()) {
- LOG.trace("Removing router : key: " + identifier + ", value=" + input);
- }
+ LOG.trace("Removing router : key: {}, value={}", identifier, input);
Uuid routerId = input.getUuid();
- // fetch subnets associated to router
- List<Interfaces> routerInterfaces = input.getInterfaces();
- List<Uuid> routerSubnetIds = new ArrayList<Uuid>();
- if (routerInterfaces != null) {
- for (Interfaces rtrIf : routerInterfaces) {
- routerSubnetIds.add(rtrIf.getSubnetId());
- }
- }
+ //NOTE: Pass an empty routerSubnetIds list, as router interfaces
+ //will be removed from VPN by invocations from NeutronPortChangeListener
+ List<Uuid> routerSubnetIds = new ArrayList<>();
nvpnManager.handleNeutronRouterDeleted(routerId, routerSubnetIds);
+
+ // Handle router deletion for the NAT service
+ if (input.getExternalGatewayInfo() != null) {
+ Uuid extNetId = input.getExternalGatewayInfo().getExternalNetworkId();
+ nvpnNatManager.removeExternalNetworkFromRouter(extNetId, input);
+ }
+ NeutronvpnUtils.removeFromRouterCache(input);
}
@Override
protected void update(InstanceIdentifier<Router> identifier, Router original, Router update) {
- if (LOG.isTraceEnabled()) {
- LOG.trace("Updating Router : key: " + identifier + ", original value=" + original + ", update value=" +
- update);
- }
+ LOG.trace("Updating Router : key: {}, original value={}, update value={}", identifier, original, update);
+ NeutronvpnUtils.addToRouterCache(update);
Uuid routerId = update.getUuid();
- Uuid vpnId = NeutronvpnUtils.getVpnForRouter(broker, routerId, true);
+ NeutronvpnUtils.addToRouterCache(update);
+ Uuid vpnId = NeutronvpnUtils.getVpnForRouter(dataBroker, routerId, true);
// internal vpn always present in case external vpn not found
if (vpnId == null) {
vpnId = routerId;
}
- List<Interfaces> oldInterfaces = (original.getInterfaces() != null) ? original.getInterfaces() : new
- ArrayList<Interfaces>();
- List<Interfaces> newInterfaces = (update.getInterfaces() != null) ? update.getInterfaces() : new
- ArrayList<Interfaces>();
List<Routes> oldRoutes = (original.getRoutes() != null) ? original.getRoutes() : new ArrayList<Routes>();
List<Routes> newRoutes = (update.getRoutes() != null) ? update.getRoutes() : new ArrayList<Routes>();
- if (!oldInterfaces.equals(newInterfaces)) {
- for (Interfaces intrf : newInterfaces) {
- if (!oldInterfaces.remove(intrf)) {
- // add new subnet
- nvpnManager.addSubnetToVpn(vpnId, intrf.getSubnetId());
- }
- }
- //clear remaining old subnets
- for (Interfaces intrf : oldInterfaces) {
- nvpnManager.removeSubnetFromVpn(vpnId, intrf.getSubnetId());
- }
- }
if (!oldRoutes.equals(newRoutes)) {
Iterator<Routes> iterator = newRoutes.iterator();
while (iterator.hasNext()) {
iterator.remove();
}
}
- nvpnManager.addAdjacencyforExtraRoute(newRoutes, true, null);
+
+ handleChangedRoutes(vpnId, newRoutes, NwConstants.ADD_FLOW);
+
if (!oldRoutes.isEmpty()) {
- nvpnManager.removeAdjacencyforExtraRoute(oldRoutes);
+ handleChangedRoutes(vpnId, oldRoutes, NwConstants.DEL_FLOW);
}
}
+
+ nvpnNatManager.handleExternalNetworkForRouter(original, update);
+ gwMacResolver.sendArpRequestsToExtGateways(update);
+ }
+
+ private void handleChangedRoutes(Uuid vpnName, List<Routes> routes, int addedOrRemoved) {
+ // Some routes may point to an InterVpnLink's endpoint, lets treat them differently
+ List<Routes> interVpnLinkRoutes = new ArrayList<Routes>();
+ List<Routes> otherRoutes = new ArrayList<Routes>();
+ HashMap<String, InterVpnLink> nexthopsXinterVpnLinks = new HashMap<String, InterVpnLink>();
+ for ( Routes route : routes ) {
+ String nextHop = String.valueOf(route.getNexthop().getValue());
+ // Nexthop is another VPN?
+ Optional<InterVpnLink> interVpnLink = NeutronvpnUtils.getInterVpnLinkByEndpointIp(dataBroker, nextHop);
+ if ( interVpnLink.isPresent() ) {
+ Optional<InterVpnLinkState> interVpnLinkState =
+ NeutronvpnUtils.getInterVpnLinkState(dataBroker, interVpnLink.get().getName());
+ if ( interVpnLinkState.isPresent()
+ && interVpnLinkState.get().getState() == InterVpnLinkState.State.Active) {
+ interVpnLinkRoutes.add(route);
+ nexthopsXinterVpnLinks.put(nextHop, interVpnLink.get());
+ } else {
+ LOG.warn("Failed installing route to {}. Reason: InterVPNLink {} is not Active",
+ String.valueOf(route.getDestination().getValue()), interVpnLink.get().getName());
+ }
+ } else {
+ otherRoutes.add(route);
+ }
+ }
+
+ if ( addedOrRemoved == NwConstants.ADD_FLOW ) {
+ nvpnManager.addInterVpnRoutes(vpnName, interVpnLinkRoutes, nexthopsXinterVpnLinks);
+ nvpnManager.updateVpnInterfaceWithExtraRouteAdjacency(vpnName, otherRoutes);
+ } else {
+ nvpnManager.removeAdjacencyforExtraRoute(vpnName, otherRoutes);
+ nvpnManager.removeInterVpnRoutes(vpnName, interVpnLinkRoutes, nexthopsXinterVpnLinks);
+ }
}
}
Code Review / netvirt.git / blobdiff