*/
package org.opendaylight.netvirt.fibmanager;
+import static java.util.stream.Collectors.toList;
import static org.opendaylight.genius.infra.Datastore.CONFIGURATION;
import static org.opendaylight.genius.infra.Datastore.OPERATIONAL;
import static org.opendaylight.genius.mdsalutil.NWUtil.isIpv4Address;
import com.google.common.base.Optional;
import com.google.common.base.Preconditions;
+import com.google.common.util.concurrent.ListenableFuture;
+
import java.math.BigInteger;
import java.util.ArrayList;
+import java.util.Arrays;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.concurrent.CopyOnWriteArrayList;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.Future;
+
import javax.annotation.PreDestroy;
import javax.inject.Inject;
import javax.inject.Singleton;
+
import org.eclipse.jdt.annotation.Nullable;
import org.opendaylight.controller.md.sal.binding.api.DataBroker;
import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
import org.opendaylight.genius.mdsalutil.actions.ActionSetFieldVlanVid;
import org.opendaylight.genius.mdsalutil.interfaces.IMdsalApiManager;
import org.opendaylight.infrautils.jobcoordinator.JobCoordinator;
-import org.opendaylight.infrautils.utils.concurrent.ListenableFutures;
import org.opendaylight.netvirt.elanmanager.api.IElanService;
import org.opendaylight.netvirt.fibmanager.api.L3VPNTransportTypes;
import org.opendaylight.netvirt.vpnmanager.api.VpnExtraRouteHelper;
import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.op.rev160406.TunnelsState;
import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.op.rev160406.tunnels_state.StateTunnelList;
import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.op.rev160406.tunnels_state.StateTunnelListKey;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.rev160406.DcGatewayIpList;
import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.rpcs.rev160406.GetEgressActionsForTunnelInputBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.rpcs.rev160406.GetEgressActionsForTunnelOutput;
import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.rpcs.rev160406.GetInternalOrExternalInterfaceNameInputBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3nexthop.rev150409.l3nexthop.vpnnexthops.vpnnexthop.IpAdjacenciesKey;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.ConfTransportTypeL3vpn;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.ConfTransportTypeL3vpnBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.dpid.l3vpn.lb.nexthops.DpnLbNexthops;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.l3vpn.lb.nexthops.Nexthops;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.prefix.to._interface.vpn.ids.Prefixes;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.vpn.to.extraroutes.vpn.extra.routes.Routes;
private static final long WAIT_TIME_FOR_SYNC_INSTALL = Long.getLong("wait.time.sync.install", 300L);
private static final long WAIT_TIME_TO_ACQUIRE_LOCK = 3000L;
private static final int SELECT_GROUP_WEIGHT = 1;
+ private static final int RETRY_COUNT = 6;
+ private static final String NEXTHOPMANAGER_JOB_KEY_PREFIX = "NextHopManager";
private final DataBroker dataBroker;
private final ManagedNewTransactionRunner txRunner;
return listBucketInfo;
}
- public void createDcGwLoadBalancingGroup(List<String> availableDcGws, BigInteger dpnId, String destinationIp,
+ public void createDcGwLoadBalancingGroup(BigInteger dpnId, String destinationIp,
Class<? extends TunnelTypeBase> tunnelType) {
- Preconditions.checkNotNull(availableDcGws, "There are no dc-gws present");
- int noOfDcGws = availableDcGws.size();
- if (noOfDcGws == 1) {
- LOG.trace("There are no enough DC GateWays {} present to program LB group", availableDcGws);
- return;
- }
- // TODO : Place the logic to construct all possible DC-GW combination here.
- String groupIdKey = FibUtil.getGreLbGroupKey(availableDcGws);
- Long groupId = createNextHopPointer(groupIdKey);
- List<Bucket> listBucket = new ArrayList<>();
- for (int index = 0; index < noOfDcGws; index++) {
- if (isTunnelUp(availableDcGws.get(index), dpnId, tunnelType)) {
- listBucket.add(buildBucketForDcGwLbGroup(availableDcGws.get(index), dpnId, index, tunnelType));
- }
+ jobCoordinator.enqueueJob(getJobKey(dpnId), () -> {
+ List<ListenableFuture<Void>> futures = new ArrayList<>();
+ futures.add(txRunner.callWithNewReadWriteTransactionAndSubmit(OPERATIONAL, operationalTx -> {
+ synchronized (getDcGateWaySyncKey(destinationIp)) {
+ FibUtil.addL3vpnDcGateWay(destinationIp, operationalTx);
+ }
+ futures.add(txRunner.callWithNewWriteOnlyTransactionAndSubmit(CONFIGURATION, configTx -> {
+ List<String> availableDcGws = getDcGwIps();
+ Preconditions.checkNotNull(availableDcGws, "There are no dc-gws present");
+ int noOfDcGws = availableDcGws.size();
+ if (noOfDcGws == 1) {
+ LOG.trace("There are no enough DC GateWays {} present to program LB group", availableDcGws);
+ return;
+ }
+ if (availableDcGws.contains(destinationIp)) {
+ availableDcGws.remove(destinationIp);
+ }
+ availableDcGws.forEach(dcGwIp -> {
+ List<String> dcGws = Arrays.asList(dcGwIp, destinationIp);
+ Collections.sort(dcGws);
+ String groupIdKey = FibUtil.getGreLbGroupKey(dcGws);
+ Long groupId = createNextHopPointer(groupIdKey);
+ List<Bucket> listBucket = new ArrayList<>();
+ for (int index = 0; index < dcGws.size(); index++) {
+ if (isTunnelUp(dcGws.get(index), dpnId, tunnelType)) {
+ listBucket.add(buildBucketForDcGwLbGroup(dcGws.get(index),
+ dpnId, index, tunnelType, true));
+ }
+ }
+ Group group = MDSALUtil.buildGroup(groupId, groupIdKey, GroupTypes.GroupSelect,
+ MDSALUtil.buildBucketLists(listBucket));
+ mdsalApiManager.addGroup(configTx, dpnId, group);
+ FibUtil.updateLbGroupInfo(dpnId, groupIdKey, groupId.toString(), operationalTx);
+ LOG.trace("LB group {} towards DC-GW installed on dpn {}. Group - {}",
+ groupIdKey, dpnId, group);
+ });
+ }));
+ }));
+ return futures;
+ }, RETRY_COUNT);
+ }
+
+ private String getJobKey(BigInteger dpnId) {
+ return new StringBuilder().append(NEXTHOPMANAGER_JOB_KEY_PREFIX).append(dpnId).toString();
+ }
+
+ private String getDcGateWaySyncKey(String destinationIp) {
+ String mutex = new StringBuilder().append("L3vpncDcGateWay").append(destinationIp).toString();
+ return mutex.intern();
+ }
+
+ private List<String> getDcGwIps() {
+ InstanceIdentifier<DcGatewayIpList> dcGatewayIpListid =
+ InstanceIdentifier.builder(DcGatewayIpList.class).build();
+ DcGatewayIpList dcGatewayIpListConfig =
+ MDSALUtil.read(dataBroker, LogicalDatastoreType.CONFIGURATION, dcGatewayIpListid).orNull();
+ if (dcGatewayIpListConfig == null) {
+ return Collections.emptyList();
}
- Group group = MDSALUtil.buildGroup(groupId, groupIdKey, GroupTypes.GroupSelect,
- MDSALUtil.buildBucketLists(listBucket));
- ListenableFutures.addErrorLogging(txRunner.callWithNewWriteOnlyTransactionAndSubmit(CONFIGURATION,
- confTx -> mdsalApiManager.addGroup(confTx, dpnId, group)), LOG, "Error adding load-balancing group");
- ListenableFutures.addErrorLogging(txRunner.callWithNewWriteOnlyTransactionAndSubmit(OPERATIONAL,
- operTx -> FibUtil.updateLbGroupInfo(dpnId, destinationIp, groupIdKey, groupId.toString(), operTx)), LOG,
- "Error updating load-balancing group info");
- LOG.trace("LB group {} towards DC-GW installed on dpn {}. Group - {}", groupIdKey, dpnId, group);
+ return dcGatewayIpListConfig.getDcGatewayIp()
+ .stream()
+ .filter(dcGwIp -> dcGwIp.getTunnnelType().equals(TunnelTypeMplsOverGre.class))
+ .map(dcGwIp -> dcGwIp.getIpAddress().stringValue()).sorted()
+ .collect(toList());
}
private boolean isTunnelUp(String dcGwIp, BigInteger dpnId, Class<? extends TunnelTypeBase> tunnelType) {
}
/**
- * This method is invoked when the tunnel state is removed from DS.
- * If the there is just one DC-GW left in configuration then the LB groups can be deleted.
- * Otherwise, the groups are just updated.
+ * This method is invoked when the neighbor is removed from DS.
+ * All the LB groups which point to the given destination will be deleted.
*/
- public void removeOrUpdateDcGwLoadBalancingGroup(List<String> availableDcGws, BigInteger dpnId,
+ public void removeDcGwLoadBalancingGroup(BigInteger dpnId,
String destinationIp) {
- Preconditions.checkNotNull(availableDcGws, "There are no dc-gws present");
- ListenableFutures.addErrorLogging(txRunner.callWithNewReadWriteTransactionAndSubmit(CONFIGURATION, confTx -> {
- ListenableFutures.addErrorLogging(txRunner.callWithNewWriteOnlyTransactionAndSubmit(OPERATIONAL, operTx -> {
- int noOfDcGws = availableDcGws.size();
- // If availableDcGws does not contain the destination Ip it means this is a configuration delete.
- if (!availableDcGws.contains(destinationIp)) {
- availableDcGws.add(destinationIp);
- Collections.sort(availableDcGws);
- }
- // TODO : Place the logic to construct all possible DC-GW combination here.
- int bucketId = availableDcGws.indexOf(destinationIp);
- Optional<DpnLbNexthops> dpnLbNextHops = fibUtil.getDpnLbNexthops(dpnId, destinationIp);
- if (!dpnLbNextHops.isPresent()) {
- return;
- }
- List<String> nextHopKeys = dpnLbNextHops.get().getNexthopKey();
- if (nextHopKeys != null) {
- for (String nextHopKey : nextHopKeys) {
+ jobCoordinator.enqueueJob(getJobKey(dpnId), () -> {
+ List<String> availableDcGws = fibUtil.getL3VpnDcGateWays();
+ if (availableDcGws.contains(destinationIp)) {
+ availableDcGws.remove(destinationIp);
+ }
+ List<ListenableFuture<Void>> futures = new ArrayList<>();
+ futures.add(txRunner.callWithNewReadWriteTransactionAndSubmit(OPERATIONAL, operationalTx -> {
+ futures.add(txRunner.callWithNewReadWriteTransactionAndSubmit(CONFIGURATION, configTx -> {
+ availableDcGws.forEach(dcGwIp -> {
+ List<String> dcGws = Arrays.asList(dcGwIp, destinationIp);
+ Collections.sort(dcGws);
+ String nextHopKey = FibUtil.getGreLbGroupKey(dcGws);
Optional<Nexthops> optionalNextHops = fibUtil.getNexthops(nextHopKey);
if (!optionalNextHops.isPresent()) {
return;
Nexthops nexthops = optionalNextHops.get();
final String groupId = nexthops.getGroupId();
final long groupIdValue = Long.parseLong(groupId);
- if (noOfDcGws > 1) {
- mdsalApiManager.removeBucket(confTx, dpnId, groupIdValue, bucketId);
- } else {
- LOG.trace("Removed LB group {} on dpn {}", groupIdValue, dpnId);
- mdsalApiManager.removeGroup(confTx, dpnId, groupIdValue);
- removeNextHopPointer(nextHopKey);
- }
- // When the DC-GW is removed from configuration.
- if (noOfDcGws != availableDcGws.size()) {
- FibUtil.removeOrUpdateNextHopInfo(dpnId, nextHopKey, groupId, nexthops, operTx);
+ Group group = MDSALUtil.buildGroup(groupIdValue, nextHopKey, GroupTypes.GroupSelect,
+ MDSALUtil.buildBucketLists(Collections.emptyList()));
+ LOG.trace("Removed LB group {} on dpn {}", group, dpnId);
+ try {
+ mdsalApiManager.removeGroup(configTx, dpnId, group);
+ } catch (ExecutionException | InterruptedException e) {
+ LOG.error("Group removal failed for group {} with exception", groupId, e);
}
+ removeNextHopPointer(nextHopKey);
+ FibUtil.removeOrUpdateNextHopInfo(dpnId, nextHopKey, groupId, nexthops, operationalTx);
+ });
+ synchronized (getDcGateWaySyncKey(destinationIp)) {
+ FibUtil.removeL3vpnDcGateWay(destinationIp, operationalTx);
}
- }
- FibUtil.removeDpnIdToNextHopInfo(destinationIp, dpnId, operTx);
- }), LOG, "Error removing or updating load-balancing group");
- }), LOG, "Error removing or updating load-balancing group");
+ }));
+ }));
+ return futures;
+ }, RETRY_COUNT);
}
/**
- * This method is invoked when the tunnel status is updated.
- * The bucket is directly removed/added based on the operational status of the tunnel.
+ * This method is invoked when the tunnel status is deleted.
+ * All the buckets which point to given destination will be marked down.
*/
- public void updateDcGwLoadBalancingGroup(List<String> availableDcGws,
- BigInteger dpnId, String destinationIp, boolean isTunnelUp, Class<? extends TunnelTypeBase> tunnelType) {
- Preconditions.checkNotNull(availableDcGws, "There are no dc-gws present");
- ListenableFutures.addErrorLogging(txRunner.callWithNewReadWriteTransactionAndSubmit(CONFIGURATION, confTx -> {
- // TODO : Place the logic to construct all possible DC-GW combination here.
- int bucketId = availableDcGws.indexOf(destinationIp);
- Optional<DpnLbNexthops> dpnLbNextHops = fibUtil.getDpnLbNexthops(dpnId, destinationIp);
- if (!dpnLbNextHops.isPresent()) {
- return;
+ public void updateDcGwLoadBalancingGroup(BigInteger dpnId, String destinationIp,
+ boolean isTunnelUp, Class<? extends TunnelTypeBase> tunnelType) {
+ jobCoordinator.enqueueJob(getJobKey(dpnId), () -> {
+ List<String> availableDcGws = fibUtil.getL3VpnDcGateWays();
+ if (availableDcGws.contains(destinationIp)) {
+ availableDcGws.remove(destinationIp);
}
- List<String> nextHopKeys = dpnLbNextHops.get().getNexthopKey();
- if (nextHopKeys != null) {
- for (String nextHopKey : nextHopKeys) {
+ List<ListenableFuture<Void>> futures = new ArrayList<>();
+ futures.add(txRunner.callWithNewReadWriteTransactionAndSubmit(CONFIGURATION, configTx -> {
+ availableDcGws.forEach(dcGwIp -> {
+ List<String> dcGws = Arrays.asList(dcGwIp, destinationIp);
+ Collections.sort(dcGws);
+ String nextHopKey = FibUtil.getGreLbGroupKey(dcGws);
+ int bucketId = dcGws.indexOf(destinationIp);
Optional<Nexthops> optionalNextHops = fibUtil.getNexthops(nextHopKey);
if (!optionalNextHops.isPresent()) {
return;
Nexthops nexthops = optionalNextHops.get();
final String groupId = nexthops.getGroupId();
final long groupIdValue = Long.parseLong(groupId);
- if (isTunnelUp) {
- Bucket bucket = buildBucketForDcGwLbGroup(destinationIp, dpnId, bucketId, tunnelType);
- LOG.trace("Added bucket {} to group {} on dpn {}.", bucket, groupId, dpnId);
- mdsalApiManager.addBucket(confTx, dpnId, groupIdValue, bucket);
- } else {
- LOG.trace("Removed bucketId {} from group {} on dpn {}.", bucketId, groupId, dpnId);
- mdsalApiManager.removeBucket(confTx, dpnId, groupIdValue, bucketId);
+ Bucket bucket = buildBucketForDcGwLbGroup(destinationIp, dpnId, bucketId, tunnelType, isTunnelUp);
+ LOG.trace("updated bucket {} to group {} on dpn {}.", bucket, groupId, dpnId);
+ try {
+ mdsalApiManager.addBucket(configTx, dpnId, groupIdValue, bucket);
+ } catch (ExecutionException | InterruptedException e) {
+ LOG.error("Bucket addition failed for bucket {} with exception", bucketId, e);
}
- }
- }
- }), LOG, "Error updating load-balancing group");
+ });
+ }));
+ return futures;
+ }, RETRY_COUNT);
}
- private Bucket buildBucketForDcGwLbGroup(String ipAddress, BigInteger dpnId, int index,
- Class<? extends TunnelTypeBase> tunnelType) {
+ private Bucket buildBucketForDcGwLbGroup(String ipAddress, BigInteger dpnId,
+ int index, Class<? extends TunnelTypeBase> tunnelType, boolean isTunnelUp) {
List<Action> listAction = new ArrayList<>();
// ActionKey 0 goes to mpls label.
int actionKey = 1;
// clear off actions if there is no egress actions.
listAction = Collections.emptyList();
}
+ long watchPort = MDSALUtil.WATCH_PORT;
+ if (!isTunnelUp) {
+ watchPort = 0xFFFFFFFEL;
+ }
//OVS expects a non-zero weight value for load balancing to happen in select groups
return MDSALUtil.buildBucket(listAction, SELECT_GROUP_WEIGHT, index,
- MDSALUtil.WATCH_PORT, MDSALUtil.WATCH_GROUP);
+ watchPort, MDSALUtil.WATCH_GROUP);
}
- public void programDcGwLoadBalancingGroup(List<String> availableDcGws, BigInteger dpnId, String destinationIp,
+ public void programDcGwLoadBalancingGroup(BigInteger dpnId, String destinationIp,
int addRemoveOrUpdate, boolean isTunnelUp,
Class<? extends TunnelTypeBase> tunnelType) {
if (NwConstants.ADD_FLOW == addRemoveOrUpdate) {
- createDcGwLoadBalancingGroup(availableDcGws, dpnId, destinationIp, tunnelType);
+ createDcGwLoadBalancingGroup(dpnId, destinationIp, tunnelType);
} else if (NwConstants.DEL_FLOW == addRemoveOrUpdate) {
- removeOrUpdateDcGwLoadBalancingGroup(availableDcGws, dpnId, destinationIp);
+ removeDcGwLoadBalancingGroup(dpnId, destinationIp);
} else if (NwConstants.MOD_FLOW == addRemoveOrUpdate) {
- updateDcGwLoadBalancingGroup(availableDcGws, dpnId, destinationIp, isTunnelUp, tunnelType);
+ updateDcGwLoadBalancingGroup(dpnId, destinationIp, isTunnelUp, tunnelType);
}
}
}