*/
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.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.rev150712.Neutron;
+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.concepts.ListenerRegistration;
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 {
private static final Logger LOG = LoggerFactory.getLogger(NeutronRouterChangeListener.class);
-
private ListenerRegistration<DataChangeListener> listenerRegistration;
- private final DataBroker broker;
- private NeutronvpnManager nvpnManager;
- private NeutronvpnNatManager nvpnNatManager;
-
+ private final DataBroker dataBroker;
+ private final NeutronvpnManager nvpnManager;
+ private final NeutronvpnNatManager nvpnNatManager;
+ private final NeutronSubnetGwMacResolver gwMacResolver;
- public NeutronRouterChangeListener(final DataBroker db, NeutronvpnManager nVpnMgr, NeutronvpnNatManager
- nVpnNatMgr) {
+ public NeutronRouterChangeListener(final DataBroker dataBroker, final NeutronvpnManager nVpnMgr,
+ final NeutronvpnNatManager nVpnNatMgr, NeutronSubnetGwMacResolver gwMacResolver) {
super(Router.class);
- broker = db;
+ this.dataBroker = dataBroker;
nvpnManager = nVpnMgr;
nvpnNatManager = nVpnNatMgr;
- registerListener(db);
+ this.gwMacResolver = gwMacResolver;
+ }
+
+ public void start() {
+ LOG.info("{} start", getClass().getSimpleName());
+ listenerRegistration = dataBroker.registerDataChangeListener(LogicalDatastoreType.CONFIGURATION,
+ getWildCardPath(), this, DataChangeScope.SUBTREE);
+ }
+
+ private InstanceIdentifier<Router> getWildCardPath() {
+ return InstanceIdentifier.create(Neutron.class).child(Routers.class).child(Router.class);
}
@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.close();
listenerRegistration = null;
}
- LOG.info("N_Router listener Closed");
- }
-
-
- 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);
- }
+ LOG.info("{} close", getClass().getSimpleName());
}
@Override
// Create internal VPN
nvpnManager.createL3InternalVpn(input.getUuid(), null, null, null, null, null, input.getUuid(), null);
NeutronvpnUtils.addToRouterCache(input);
+ gwMacResolver.sendArpRequestsToExtGateways(input);
}
@Override
List<Uuid> routerSubnetIds = new ArrayList<>();
nvpnManager.handleNeutronRouterDeleted(routerId, routerSubnetIds);
NeutronvpnUtils.removeFromRouterCache(input);
+
// Handle router deletion for the NAT service
if (input.getExternalGatewayInfo() != null) {
Uuid extNetId = input.getExternalGatewayInfo().getExternalNetworkId();
nvpnNatManager.removeExternalNetworkFromRouter(extNetId, 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);
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<Routes> oldRoutes = (original.getRoutes() != null) ? original.getRoutes() : new ArrayList<>();
- List<Routes> newRoutes = (update.getRoutes() != null) ? update.getRoutes() : new ArrayList<>();
-
+ List<Routes> oldRoutes = (original.getRoutes() != null) ? original.getRoutes() : new ArrayList<Routes>();
+ List<Routes> newRoutes = (update.getRoutes() != null) ? update.getRoutes() : new ArrayList<Routes>();
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.addAdjacencyforExtraRoute(vpnName, otherRoutes);
+ } else {
+ nvpnManager.removeAdjacencyforExtraRoute(vpnName, otherRoutes);
+ nvpnManager.removeInterVpnRoutes(vpnName, interVpnLinkRoutes, nexthopsXinterVpnLinks);
+ }
}
}
Code Review / netvirt.git / blobdiff