import akka.dispatch.OnComplete;
import akka.japi.Function;
import akka.pattern.Patterns;
+import akka.persistence.DeleteSnapshotsFailure;
+import akka.persistence.DeleteSnapshotsSuccess;
import akka.persistence.RecoveryCompleted;
import akka.persistence.SaveSnapshotFailure;
import akka.persistence.SaveSnapshotSuccess;
import akka.util.Timeout;
import com.google.common.annotations.VisibleForTesting;
import com.google.common.base.Preconditions;
-import java.io.ByteArrayInputStream;
-import java.io.ObjectInputStream;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.concurrent.TimeoutException;
import java.util.function.Consumer;
import java.util.function.Supplier;
-import org.apache.commons.lang3.SerializationUtils;
import org.opendaylight.controller.cluster.access.concepts.MemberName;
import org.opendaylight.controller.cluster.common.actor.AbstractUntypedPersistentActorWithMetering;
+import org.opendaylight.controller.cluster.common.actor.Dispatchers;
+import org.opendaylight.controller.cluster.datastore.AbstractDataStore;
import org.opendaylight.controller.cluster.datastore.ClusterWrapper;
import org.opendaylight.controller.cluster.datastore.DatastoreContext;
+import org.opendaylight.controller.cluster.datastore.DatastoreContext.Builder;
import org.opendaylight.controller.cluster.datastore.DatastoreContextFactory;
import org.opendaylight.controller.cluster.datastore.Shard;
import org.opendaylight.controller.cluster.datastore.config.Configuration;
import org.opendaylight.controller.cluster.datastore.config.ModuleShardConfiguration;
+import org.opendaylight.controller.cluster.datastore.config.PrefixShardConfiguration;
import org.opendaylight.controller.cluster.datastore.exceptions.AlreadyExistsException;
import org.opendaylight.controller.cluster.datastore.exceptions.NoShardLeaderException;
import org.opendaylight.controller.cluster.datastore.exceptions.NotInitializedException;
import org.opendaylight.controller.cluster.datastore.exceptions.PrimaryNotFoundException;
import org.opendaylight.controller.cluster.datastore.identifiers.ShardIdentifier;
import org.opendaylight.controller.cluster.datastore.messages.ActorInitialized;
+import org.opendaylight.controller.cluster.datastore.messages.AddPrefixShardReplica;
import org.opendaylight.controller.cluster.datastore.messages.AddShardReplica;
import org.opendaylight.controller.cluster.datastore.messages.ChangeShardMembersVotingStatus;
import org.opendaylight.controller.cluster.datastore.messages.CreateShard;
-import org.opendaylight.controller.cluster.datastore.messages.DatastoreSnapshot;
import org.opendaylight.controller.cluster.datastore.messages.FindLocalShard;
import org.opendaylight.controller.cluster.datastore.messages.FindPrimary;
import org.opendaylight.controller.cluster.datastore.messages.FlipShardMembersVotingStatus;
+import org.opendaylight.controller.cluster.datastore.messages.GetShardRole;
+import org.opendaylight.controller.cluster.datastore.messages.GetShardRoleReply;
import org.opendaylight.controller.cluster.datastore.messages.LocalPrimaryShardFound;
import org.opendaylight.controller.cluster.datastore.messages.LocalShardFound;
import org.opendaylight.controller.cluster.datastore.messages.LocalShardNotFound;
import org.opendaylight.controller.cluster.datastore.messages.RemoteFindPrimary;
import org.opendaylight.controller.cluster.datastore.messages.RemotePrimaryShardFound;
+import org.opendaylight.controller.cluster.datastore.messages.RemovePrefixShardReplica;
import org.opendaylight.controller.cluster.datastore.messages.RemoveShardReplica;
import org.opendaylight.controller.cluster.datastore.messages.ShardLeaderStateChanged;
import org.opendaylight.controller.cluster.datastore.messages.UpdateSchemaContext;
-import org.opendaylight.controller.cluster.datastore.utils.Dispatchers;
+import org.opendaylight.controller.cluster.datastore.persisted.DatastoreSnapshot;
+import org.opendaylight.controller.cluster.datastore.persisted.ShardManagerSnapshot;
+import org.opendaylight.controller.cluster.datastore.utils.ClusterUtils;
+import org.opendaylight.controller.cluster.datastore.utils.CompositeOnComplete;
import org.opendaylight.controller.cluster.datastore.utils.PrimaryShardInfoFutureCache;
import org.opendaylight.controller.cluster.notifications.RegisterRoleChangeListener;
+import org.opendaylight.controller.cluster.notifications.RegisterRoleChangeListenerReply;
import org.opendaylight.controller.cluster.notifications.RoleChangeNotification;
import org.opendaylight.controller.cluster.raft.base.messages.FollowerInitialSyncUpStatus;
import org.opendaylight.controller.cluster.raft.base.messages.SwitchBehavior;
import org.opendaylight.controller.cluster.raft.messages.ServerChangeStatus;
import org.opendaylight.controller.cluster.raft.messages.ServerRemoved;
import org.opendaylight.controller.cluster.raft.policy.DisableElectionsRaftPolicy;
+import org.opendaylight.controller.cluster.sharding.PrefixedShardConfigUpdateHandler;
+import org.opendaylight.controller.cluster.sharding.messages.InitConfigListener;
+import org.opendaylight.controller.cluster.sharding.messages.PrefixShardCreated;
+import org.opendaylight.controller.cluster.sharding.messages.PrefixShardRemoved;
+import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
+import org.opendaylight.controller.md.sal.dom.api.DOMDataTreeChangeListener;
+import org.opendaylight.mdsal.dom.api.DOMDataTreeIdentifier;
+import org.opendaylight.yangtools.concepts.ListenerRegistration;
+import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
import org.opendaylight.yangtools.yang.model.api.SchemaContext;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
private final Set<String> shardReplicaOperationsInProgress = new HashSet<>();
+ private final Map<String, CompositeOnComplete<Boolean>> shardActorsStopping = new HashMap<>();
+
private final String persistenceId;
+ private final AbstractDataStore dataStore;
+
+ private ListenerRegistration<DOMDataTreeChangeListener> configListenerReg = null;
+ private PrefixedShardConfigUpdateHandler configUpdateHandler;
- ShardManager(AbstractShardManagerCreator<?> builder) {
+ ShardManager(final AbstractShardManagerCreator<?> builder) {
this.cluster = builder.getCluster();
this.configuration = builder.getConfiguration();
this.datastoreContextFactory = builder.getDatastoreContextFactory();
this.type = datastoreContextFactory.getBaseDatastoreContext().getDataStoreName();
this.shardDispatcherPath =
new Dispatchers(context().system().dispatchers()).getDispatcherPath(Dispatchers.DispatcherType.Shard);
- this.waitTillReadyCountdownLatch = builder.getWaitTillReadyCountdownLatch();
+ this.waitTillReadyCountdownLatch = builder.getWaitTillReadyCountDownLatch();
this.primaryShardInfoCache = builder.getPrimaryShardInfoCache();
this.restoreFromSnapshot = builder.getRestoreFromSnapshot();
"shard-manager-" + this.type,
datastoreContextFactory.getBaseDatastoreContext().getDataStoreMXBeanType());
shardManagerMBean.registerMBean();
+
+ dataStore = builder.getDistributedDataStore();
+ }
+
+ @Override
+ public void preStart() {
+ LOG.info("Starting ShardManager {}", persistenceId);
}
@Override
LOG.info("Stopping ShardManager {}", persistenceId());
shardManagerMBean.unregisterMBean();
+
+ if (configListenerReg != null) {
+ configListenerReg.close();
+ configListenerReg = null;
+ }
}
@Override
- public void handleCommand(Object message) throws Exception {
+ public void handleCommand(final Object message) throws Exception {
if (message instanceof FindPrimary) {
findPrimary((FindPrimary)message);
} else if (message instanceof FindLocalShard) {
} else if (message instanceof SwitchShardBehavior) {
onSwitchShardBehavior((SwitchShardBehavior) message);
} else if (message instanceof CreateShard) {
- onCreateShard((CreateShard) message);
+ onCreateShard((CreateShard)message);
} else if (message instanceof AddShardReplica) {
onAddShardReplica((AddShardReplica) message);
+ } else if (message instanceof AddPrefixShardReplica) {
+ onAddPrefixShardReplica((AddPrefixShardReplica) message);
+ } else if (message instanceof PrefixShardCreated) {
+ onPrefixShardCreated((PrefixShardCreated) message);
+ } else if (message instanceof PrefixShardRemoved) {
+ onPrefixShardRemoved((PrefixShardRemoved) message);
+ } else if (message instanceof InitConfigListener) {
+ onInitConfigListener();
} else if (message instanceof ForwardedAddServerReply) {
- ForwardedAddServerReply msg = (ForwardedAddServerReply) message;
- onAddServerReply(msg.shardInfo, msg.addServerReply, getSender(), msg.leaderPath, msg.removeShardOnFailure);
+ ForwardedAddServerReply msg = (ForwardedAddServerReply)message;
+ onAddServerReply(msg.shardInfo, msg.addServerReply, getSender(), msg.leaderPath,
+ msg.removeShardOnFailure);
} else if (message instanceof ForwardedAddServerFailure) {
- ForwardedAddServerFailure msg = (ForwardedAddServerFailure) message;
+ ForwardedAddServerFailure msg = (ForwardedAddServerFailure)message;
onAddServerFailure(msg.shardName, msg.failureMessage, msg.failure, getSender(), msg.removeShardOnFailure);
} else if (message instanceof RemoveShardReplica) {
onRemoveShardReplica((RemoveShardReplica) message);
+ } else if (message instanceof RemovePrefixShardReplica) {
+ onRemovePrefixShardReplica((RemovePrefixShardReplica) message);
} else if (message instanceof WrappedShardResponse) {
onWrappedShardResponse((WrappedShardResponse) message);
} else if (message instanceof GetSnapshot) {
onShutDown();
} else if (message instanceof GetLocalShardIds) {
onGetLocalShardIds();
+ } else if (message instanceof GetShardRole) {
+ onGetShardRole((GetShardRole) message);
} else if (message instanceof RunnableMessage) {
((RunnableMessage)message).run();
+ } else if (message instanceof DeleteSnapshotsFailure) {
+ LOG.warn("{}: Failed to delete prior snapshots", persistenceId(),
+ ((DeleteSnapshotsFailure) message).cause());
+ } else if (message instanceof DeleteSnapshotsSuccess) {
+ LOG.debug("{}: Successfully deleted prior snapshots", persistenceId(), message);
+ } else if (message instanceof RegisterRoleChangeListenerReply) {
+ LOG.trace("{}: Received RegisterRoleChangeListenerReply", persistenceId());
+ } else if (message instanceof ClusterEvent.MemberEvent) {
+ LOG.trace("{}: Received other ClusterEvent.MemberEvent: {}", persistenceId(), message);
} else {
unknownMessage(message);
}
}
+ private void onGetShardRole(final GetShardRole message) {
+ LOG.debug("{}: onGetShardRole for shard: {}", persistenceId(), message.getName());
+
+ final String name = message.getName();
+
+ final ShardInformation shardInformation = localShards.get(name);
+
+ if (shardInformation == null) {
+ LOG.info("{}: no shard information for {} found", persistenceId(), name);
+ getSender().tell(new Status.Failure(
+ new IllegalArgumentException("Shard with name " + name + " not present.")), ActorRef.noSender());
+ return;
+ }
+
+ getSender().tell(new GetShardRoleReply(shardInformation.getRole()), ActorRef.noSender());
+ }
+
+ private void onInitConfigListener() {
+ LOG.debug("{}: Initializing config listener on {}", persistenceId(), cluster.getCurrentMemberName());
+
+ final org.opendaylight.mdsal.common.api.LogicalDatastoreType datastoreType =
+ org.opendaylight.mdsal.common.api.LogicalDatastoreType
+ .valueOf(datastoreContextFactory.getBaseDatastoreContext().getLogicalStoreType().name());
+
+ if (configUpdateHandler != null) {
+ configUpdateHandler.close();
+ }
+
+ configUpdateHandler = new PrefixedShardConfigUpdateHandler(self(), cluster.getCurrentMemberName());
+ configUpdateHandler.initListener(dataStore, datastoreType);
+ }
+
private void onShutDown() {
List<Future<Boolean>> stopFutures = new ArrayList<>(localShards.size());
for (ShardInformation info : localShards.values()) {
combinedFutures.onComplete(new OnComplete<Iterable<Boolean>>() {
@Override
- public void onComplete(Throwable failure, Iterable<Boolean> results) {
+ public void onComplete(final Throwable failure, final Iterable<Boolean> results) {
LOG.debug("{}: All shards shutdown - sending PoisonPill to self", persistenceId());
self().tell(PoisonPill.getInstance(), self());
LOG.warn("{}: An error occurred attempting to shut down the shards", persistenceId(), failure);
} else {
int nfailed = 0;
- for (Boolean result: results) {
+ for (Boolean result : results) {
if (!result) {
nfailed++;
}
}, dispatcher);
}
- private void onWrappedShardResponse(WrappedShardResponse message) {
+ private void onWrappedShardResponse(final WrappedShardResponse message) {
if (message.getResponse() instanceof RemoveServerReply) {
onRemoveServerReply(getSender(), message.getShardId(), (RemoveServerReply) message.getResponse(),
message.getLeaderPath());
}
}
- private void onRemoveServerReply(ActorRef originalSender, ShardIdentifier shardId, RemoveServerReply replyMsg,
- String leaderPath) {
+ private void onRemoveServerReply(final ActorRef originalSender, final ShardIdentifier shardId,
+ final RemoveServerReply replyMsg, final String leaderPath) {
shardReplicaOperationsInProgress.remove(shardId.getShardName());
LOG.debug("{}: Received {} for shard {}", persistenceId(), replyMsg, shardId.getShardName());
}
}
- private void removeShardReplica(RemoveShardReplica contextMessage, final String shardName, final String primaryPath,
- final ActorRef sender) {
+ private void removePrefixShardReplica(final RemovePrefixShardReplica contextMessage, final String shardName,
+ final String primaryPath, final ActorRef sender) {
+ if (isShardReplicaOperationInProgress(shardName, sender)) {
+ return;
+ }
+
+ shardReplicaOperationsInProgress.add(shardName);
+
+ final ShardIdentifier shardId = getShardIdentifier(contextMessage.getMemberName(), shardName);
+
+ final DatastoreContext datastoreContext = newShardDatastoreContextBuilder(shardName).build();
+
+ //inform ShardLeader to remove this shard as a replica by sending an RemoveServer message
+ LOG.debug("{}: Sending RemoveServer message to peer {} for shard {}", persistenceId(),
+ primaryPath, shardId);
+
+ Timeout removeServerTimeout = new Timeout(datastoreContext.getShardLeaderElectionTimeout().duration());
+ Future<Object> futureObj = ask(getContext().actorSelection(primaryPath),
+ new RemoveServer(shardId.toString()), removeServerTimeout);
+
+ futureObj.onComplete(new OnComplete<Object>() {
+ @Override
+ public void onComplete(final Throwable failure, final Object response) {
+ if (failure != null) {
+ shardReplicaOperationsInProgress.remove(shardName);
+ String msg = String.format("RemoveServer request to leader %s for shard %s failed",
+ primaryPath, shardName);
+
+ LOG.debug("{}: {}", persistenceId(), msg, failure);
+
+ // FAILURE
+ sender.tell(new Status.Failure(new RuntimeException(msg, failure)), self());
+ } else {
+ // SUCCESS
+ self().tell(new WrappedShardResponse(shardId, response, primaryPath), sender);
+ }
+ }
+ }, new Dispatchers(context().system().dispatchers()).getDispatcher(Dispatchers.DispatcherType.Client));
+ }
+
+ private void removeShardReplica(final RemoveShardReplica contextMessage, final String shardName,
+ final String primaryPath, final ActorRef sender) {
if (isShardReplicaOperationInProgress(shardName, sender)) {
return;
}
futureObj.onComplete(new OnComplete<Object>() {
@Override
- public void onComplete(Throwable failure, Object response) {
+ public void onComplete(final Throwable failure, final Object response) {
if (failure != null) {
shardReplicaOperationsInProgress.remove(shardName);
String msg = String.format("RemoveServer request to leader %s for shard %s failed",
}, new Dispatchers(context().system().dispatchers()).getDispatcher(Dispatchers.DispatcherType.Client));
}
- private void onShardReplicaRemoved(ServerRemoved message) {
- final ShardIdentifier shardId = new ShardIdentifier.Builder().fromShardIdString(message.getServerId()).build();
- final ShardInformation shardInformation = localShards.remove(shardId.getShardName());
+ private void onShardReplicaRemoved(final ServerRemoved message) {
+ removeShard(new ShardIdentifier.Builder().fromShardIdString(message.getServerId()).build());
+ }
+
+ @SuppressWarnings("checkstyle:IllegalCatch")
+ private void removeShard(final ShardIdentifier shardId) {
+ final String shardName = shardId.getShardName();
+ final ShardInformation shardInformation = localShards.remove(shardName);
if (shardInformation == null) {
LOG.debug("{} : Shard replica {} is not present in list", persistenceId(), shardId.toString());
return;
- } else if (shardInformation.getActor() != null) {
- LOG.debug("{} : Sending Shutdown to Shard actor {}", persistenceId(), shardInformation.getActor());
- shardInformation.getActor().tell(Shutdown.INSTANCE, self());
}
- LOG.debug("{} : Local Shard replica for shard {} has been removed", persistenceId(), shardId.getShardName());
+
+ final ActorRef shardActor = shardInformation.getActor();
+ if (shardActor != null) {
+ long timeoutInMS = Math.max(shardInformation.getDatastoreContext().getShardRaftConfig()
+ .getElectionTimeOutInterval().$times(3).toMillis(), 10000);
+
+ LOG.debug("{} : Sending Shutdown to Shard actor {} with {} ms timeout", persistenceId(), shardActor,
+ timeoutInMS);
+
+ final Future<Boolean> stopFuture = Patterns.gracefulStop(shardActor,
+ FiniteDuration.apply(timeoutInMS, TimeUnit.MILLISECONDS), Shutdown.INSTANCE);
+
+ final CompositeOnComplete<Boolean> onComplete = new CompositeOnComplete<Boolean>() {
+ @Override
+ public void onComplete(final Throwable failure, final Boolean result) {
+ if (failure == null) {
+ LOG.debug("{} : Successfully shut down Shard actor {}", persistenceId(), shardActor);
+ } else {
+ LOG.warn("{}: Failed to shut down Shard actor {}", persistenceId(), shardActor, failure);
+ }
+
+ self().tell((RunnableMessage) () -> {
+ // At any rate, invalidate primaryShardInfo cache
+ primaryShardInfoCache.remove(shardName);
+
+ shardActorsStopping.remove(shardName);
+ notifyOnCompleteTasks(failure, result);
+ }, ActorRef.noSender());
+ }
+ };
+
+ shardActorsStopping.put(shardName, onComplete);
+ stopFuture.onComplete(onComplete, new Dispatchers(context().system().dispatchers())
+ .getDispatcher(Dispatchers.DispatcherType.Client));
+ }
+
+ LOG.debug("{} : Local Shard replica for shard {} has been removed", persistenceId(), shardName);
persistShardList();
}
return;
}
- byte[] shardManagerSnapshot = null;
- if (currentSnapshot != null) {
- shardManagerSnapshot = SerializationUtils.serialize(currentSnapshot);
- }
-
ActorRef replyActor = getContext().actorOf(ShardManagerGetSnapshotReplyActor.props(
- new ArrayList<>(localShards.keySet()), type, shardManagerSnapshot , getSender(), persistenceId(),
+ new ArrayList<>(localShards.keySet()), type, currentSnapshot , getSender(), persistenceId(),
datastoreContextFactory.getBaseDatastoreContext().getShardInitializationTimeout().duration()));
for (ShardInformation shardInfo: localShards.values()) {
}
@SuppressWarnings("checkstyle:IllegalCatch")
- private void onCreateShard(CreateShard createShard) {
+ private void onCreateShard(final CreateShard createShard) {
LOG.debug("{}: onCreateShard: {}", persistenceId(), createShard);
Object reply;
}
}
- private void doCreateShard(CreateShard createShard) {
- ModuleShardConfiguration moduleShardConfig = createShard.getModuleShardConfig();
- String shardName = moduleShardConfig.getShardName();
+ private void onPrefixShardCreated(final PrefixShardCreated message) {
+ LOG.debug("{}: onPrefixShardCreated: {}", persistenceId(), message);
+
+ final PrefixShardConfiguration config = message.getConfiguration();
+ final ShardIdentifier shardId = getShardIdentifier(cluster.getCurrentMemberName(),
+ ClusterUtils.getCleanShardName(config.getPrefix().getRootIdentifier()));
+ final String shardName = shardId.getShardName();
+
+ if (isPreviousShardActorStopInProgress(shardName, message)) {
+ return;
+ }
+
+ if (localShards.containsKey(shardName)) {
+ LOG.debug("{}: Received create for an already existing shard {}", persistenceId(), shardName);
+ final PrefixShardConfiguration existing =
+ configuration.getAllPrefixShardConfigurations().get(config.getPrefix());
+
+ if (existing != null && existing.equals(config)) {
+ // we don't have to do nothing here
+ return;
+ }
+ }
+
+ doCreatePrefixShard(config, shardId, shardName);
+ }
+
+ private boolean isPreviousShardActorStopInProgress(final String shardName, final Object messageToDefer) {
+ final CompositeOnComplete<Boolean> stopOnComplete = shardActorsStopping.get(shardName);
+ if (stopOnComplete == null) {
+ return false;
+ }
+
+ LOG.debug("{} : Stop is in progress for shard {} - adding OnComplete callback to defer {}", persistenceId(),
+ shardName, messageToDefer);
+ final ActorRef sender = getSender();
+ stopOnComplete.addOnComplete(new OnComplete<Boolean>() {
+ @Override
+ public void onComplete(final Throwable failure, final Boolean result) {
+ LOG.debug("{} : Stop complete for shard {} - re-queing {}", persistenceId(), shardName, messageToDefer);
+ self().tell(messageToDefer, sender);
+ }
+ });
+
+ return true;
+ }
+
+ private void doCreatePrefixShard(final PrefixShardConfiguration config, final ShardIdentifier shardId,
+ final String shardName) {
+ configuration.addPrefixShardConfiguration(config);
+
+ final Builder builder = newShardDatastoreContextBuilder(shardName);
+ builder.logicalStoreType(LogicalDatastoreType.valueOf(config.getPrefix().getDatastoreType().name()))
+ .storeRoot(config.getPrefix().getRootIdentifier());
+ DatastoreContext shardDatastoreContext = builder.build();
+
+ final Map<String, String> peerAddresses = getPeerAddresses(shardName);
+ final boolean isActiveMember = true;
+
+ LOG.debug("{} doCreatePrefixShard: shardId: {}, memberNames: {}, peerAddresses: {}, isActiveMember: {}",
+ persistenceId(), shardId, config.getShardMemberNames(), peerAddresses, isActiveMember);
+
+ final ShardInformation info = new ShardInformation(shardName, shardId, peerAddresses,
+ shardDatastoreContext, Shard.builder(), peerAddressResolver);
+ info.setActiveMember(isActiveMember);
+ localShards.put(info.getShardName(), info);
+
+ if (schemaContext != null) {
+ info.setSchemaContext(schemaContext);
+ info.setActor(newShardActor(info));
+ }
+ }
+
+ private void onPrefixShardRemoved(final PrefixShardRemoved message) {
+ LOG.debug("{}: onPrefixShardRemoved : {}", persistenceId(), message);
+
+ final DOMDataTreeIdentifier prefix = message.getPrefix();
+ final ShardIdentifier shardId = getShardIdentifier(cluster.getCurrentMemberName(),
+ ClusterUtils.getCleanShardName(prefix.getRootIdentifier()));
+
+ configuration.removePrefixShardConfiguration(prefix);
+ removeShard(shardId);
+ }
+
+ private void doCreateShard(final CreateShard createShard) {
+ final ModuleShardConfiguration moduleShardConfig = createShard.getModuleShardConfig();
+ final String shardName = moduleShardConfig.getShardName();
configuration.addModuleShardConfiguration(moduleShardConfig);
localShards.put(info.getShardName(), info);
if (schemaContext != null) {
- info.setActor(newShardActor(schemaContext, info));
+ info.setSchemaContext(schemaContext);
+ info.setActor(newShardActor(info));
}
}
- private DatastoreContext.Builder newShardDatastoreContextBuilder(String shardName) {
+ private DatastoreContext.Builder newShardDatastoreContextBuilder(final String shardName) {
return DatastoreContext.newBuilderFrom(datastoreContextFactory.getShardDatastoreContext(shardName))
.shardPeerAddressResolver(peerAddressResolver);
}
- private DatastoreContext newShardDatastoreContext(String shardName) {
+ private DatastoreContext newShardDatastoreContext(final String shardName) {
return newShardDatastoreContextBuilder(shardName).build();
}
}
}
- private void onLeaderStateChanged(ShardLeaderStateChanged leaderStateChanged) {
+ private void onLeaderStateChanged(final ShardLeaderStateChanged leaderStateChanged) {
LOG.info("{}: Received LeaderStateChanged message: {}", persistenceId(), leaderStateChanged);
ShardInformation shardInformation = findShardInformation(leaderStateChanged.getMemberId());
}
}
- private void onShardNotInitializedTimeout(ShardNotInitializedTimeout message) {
+ private void onShardNotInitializedTimeout(final ShardNotInitializedTimeout message) {
ShardInformation shardInfo = message.getShardInfo();
LOG.debug("{}: Received ShardNotInitializedTimeout message for shard {}", persistenceId(),
}
}
- private void onFollowerInitialSyncStatus(FollowerInitialSyncUpStatus status) {
+ private void onFollowerInitialSyncStatus(final FollowerInitialSyncUpStatus status) {
LOG.info("{} Received follower initial sync status for {} status sync done {}", persistenceId(),
status.getName(), status.isInitialSyncDone());
}
- private void onRoleChangeNotification(RoleChangeNotification roleChanged) {
+ private void onRoleChangeNotification(final RoleChangeNotification roleChanged) {
LOG.info("{}: Received role changed for {} from {} to {}", persistenceId(), roleChanged.getMemberId(),
roleChanged.getOldRole(), roleChanged.getNewRole());
}
- private ShardInformation findShardInformation(String memberId) {
+ private ShardInformation findShardInformation(final String memberId) {
for (ShardInformation info : localShards.values()) {
if (info.getShardId().toString().equals(memberId)) {
return info;
return true;
}
- private void onActorInitialized(Object message) {
+ private void onActorInitialized(final Object message) {
final ActorRef sender = getSender();
if (sender == null) {
- return; //why is a non-actor sending this message? Just ignore.
+ // why is a non-actor sending this message? Just ignore.
+ return;
}
String actorName = sender.path().name();
markShardAsInitialized(shardId.getShardName());
}
- private void markShardAsInitialized(String shardName) {
+ private void markShardAsInitialized(final String shardName) {
LOG.debug("{}: Initializing shard [{}]", persistenceId(), shardName);
ShardInformation shardInformation = localShards.get(shardName);
}
@Override
- protected void handleRecover(Object message) throws Exception {
+ protected void handleRecover(final Object message) throws Exception {
if (message instanceof RecoveryCompleted) {
onRecoveryCompleted();
} else if (message instanceof SnapshotOffer) {
private void onRecoveryCompleted() {
LOG.info("Recovery complete : {}", persistenceId());
- // We no longer persist SchemaContext modules so delete all the prior messages from the akka
- // journal on upgrade from Helium.
- deleteMessages(lastSequenceNr());
-
if (currentSnapshot == null && restoreFromSnapshot != null
&& restoreFromSnapshot.getShardManagerSnapshot() != null) {
- try (ObjectInputStream ois = new ObjectInputStream(new ByteArrayInputStream(
- restoreFromSnapshot.getShardManagerSnapshot()))) {
- ShardManagerSnapshot snapshot = (ShardManagerSnapshot) ois.readObject();
+ ShardManagerSnapshot snapshot = restoreFromSnapshot.getShardManagerSnapshot();
- LOG.debug("{}: Deserialized restored ShardManagerSnapshot: {}", persistenceId(), snapshot);
+ LOG.debug("{}: Restoring from ShardManagerSnapshot: {}", persistenceId(), snapshot);
- applyShardManagerSnapshot(snapshot);
- } catch (Exception e) {
- LOG.error("{}: Error deserializing restored ShardManagerSnapshot", persistenceId(), e);
- }
+ applyShardManagerSnapshot(snapshot);
}
createLocalShards();
}
- private void sendResponse(ShardInformation shardInformation, boolean doWait,
- boolean wantShardReady, final Supplier<Object> messageSupplier) {
+ private void sendResponse(final ShardInformation shardInformation, final boolean doWait,
+ final boolean wantShardReady, final Supplier<Object> messageSupplier) {
if (!shardInformation.isShardInitialized() || wantShardReady && !shardInformation.isShardReadyWithLeaderId()) {
if (doWait) {
final ActorRef sender = getSender();
getSender().tell(messageSupplier.get(), getSelf());
}
- private static NoShardLeaderException createNoShardLeaderException(ShardIdentifier shardId) {
+ private static NoShardLeaderException createNoShardLeaderException(final ShardIdentifier shardId) {
return new NoShardLeaderException(null, shardId.toString());
}
- private static NotInitializedException createNotInitializedException(ShardIdentifier shardId) {
+ private static NotInitializedException createNotInitializedException(final ShardIdentifier shardId) {
return new NotInitializedException(String.format(
"Found primary shard %s but it's not initialized yet. Please try again later", shardId));
}
return MemberName.forName(member.roles().iterator().next());
}
- private void memberRemoved(ClusterEvent.MemberRemoved message) {
+ private void memberRemoved(final ClusterEvent.MemberRemoved message) {
MemberName memberName = memberToName(message.member());
LOG.info("{}: Received MemberRemoved: memberName: {}, address: {}", persistenceId(), memberName,
}
}
- private void memberExited(ClusterEvent.MemberExited message) {
+ private void memberExited(final ClusterEvent.MemberExited message) {
MemberName memberName = memberToName(message.member());
LOG.info("{}: Received MemberExited: memberName: {}, address: {}", persistenceId(), memberName,
}
}
- private void memberUp(ClusterEvent.MemberUp message) {
+ private void memberUp(final ClusterEvent.MemberUp message) {
MemberName memberName = memberToName(message.member());
LOG.info("{}: Received MemberUp: memberName: {}, address: {}", persistenceId(), memberName,
memberUp(memberName, message.member().address());
}
- private void memberUp(MemberName memberName, Address address) {
+ private void memberUp(final MemberName memberName, final Address address) {
addPeerAddress(memberName, address);
checkReady();
}
- private void memberWeaklyUp(MemberWeaklyUp message) {
+ private void memberWeaklyUp(final MemberWeaklyUp message) {
MemberName memberName = memberToName(message.member());
LOG.info("{}: Received MemberWeaklyUp: memberName: {}, address: {}", persistenceId(), memberName,
memberUp(memberName, message.member().address());
}
- private void addPeerAddress(MemberName memberName, Address address) {
+ private void addPeerAddress(final MemberName memberName, final Address address) {
peerAddressResolver.addPeerAddress(memberName, address);
for (ShardInformation info : localShards.values()) {
}
}
- private void memberReachable(ClusterEvent.ReachableMember message) {
+ private void memberReachable(final ClusterEvent.ReachableMember message) {
MemberName memberName = memberToName(message.member());
LOG.info("Received ReachableMember: memberName {}, address: {}", memberName, message.member().address());
markMemberAvailable(memberName);
}
- private void memberUnreachable(ClusterEvent.UnreachableMember message) {
+ private void memberUnreachable(final ClusterEvent.UnreachableMember message) {
MemberName memberName = memberToName(message.member());
LOG.info("Received UnreachableMember: memberName {}, address: {}", memberName, message.member().address());
}
private void markMemberUnavailable(final MemberName memberName) {
- final String memberStr = memberName.getName();
for (ShardInformation info : localShards.values()) {
String leaderId = info.getLeaderId();
- // XXX: why are we using String#contains() here?
- if (leaderId != null && leaderId.contains(memberStr)) {
+ if (leaderId != null && ShardIdentifier.fromShardIdString(leaderId).getMemberName().equals(memberName)) {
LOG.debug("Marking Leader {} as unavailable.", leaderId);
info.setLeaderAvailable(false);
}
private void markMemberAvailable(final MemberName memberName) {
- final String memberStr = memberName.getName();
for (ShardInformation info : localShards.values()) {
String leaderId = info.getLeaderId();
- // XXX: why are we using String#contains() here?
- if (leaderId != null && leaderId.contains(memberStr)) {
+ if (leaderId != null && ShardIdentifier.fromShardIdString(leaderId).getMemberName().equals(memberName)) {
LOG.debug("Marking Leader {} as available.", leaderId);
info.setLeaderAvailable(true);
}
}
}
- private void onDatastoreContextFactory(DatastoreContextFactory factory) {
+ private void onDatastoreContextFactory(final DatastoreContextFactory factory) {
datastoreContextFactory = factory;
for (ShardInformation info : localShards.values()) {
info.setDatastoreContext(newShardDatastoreContext(info.getShardName()), getSelf());
private void updateSchemaContext(final Object message) {
schemaContext = ((UpdateSchemaContext) message).getSchemaContext();
- LOG.debug("Got updated SchemaContext: # of modules {}", schemaContext.getAllModuleIdentifiers().size());
+ LOG.debug("Got updated SchemaContext: # of modules {}", schemaContext.getModules().size());
for (ShardInformation info : localShards.values()) {
+ info.setSchemaContext(schemaContext);
+
if (info.getActor() == null) {
LOG.debug("Creating Shard {}", info.getShardId());
- info.setActor(newShardActor(schemaContext, info));
+ info.setActor(newShardActor(info));
+ // Update peer address for every existing peer memeber to avoid missing sending
+ // PeerAddressResolved and PeerUp to this shard while UpdateSchemaContext comes after MemberUp.
+ String shardName = info.getShardName();
+ for (MemberName memberName : peerAddressResolver.getPeerMembers()) {
+ String peerId = getShardIdentifier(memberName, shardName).toString() ;
+ String peerAddress = peerAddressResolver.getShardActorAddress(shardName, memberName);
+ info.updatePeerAddress(peerId, peerAddress, getSelf());
+ info.peerUp(memberName, peerId, getSelf());
+ LOG.debug("{}: updated peer {} on member {} with address {} on shard {} whose actor address is {}",
+ persistenceId(), peerId, memberName, peerAddress, info.getShardId(), info.getActor());
+ }
} else {
info.getActor().tell(message, getSelf());
}
}
@VisibleForTesting
- protected ActorRef newShardActor(final SchemaContext schemaContext, ShardInformation info) {
- return getContext().actorOf(info.newProps(schemaContext)
- .withDispatcher(shardDispatcherPath), info.getShardId().toString());
+ protected ActorRef newShardActor(final ShardInformation info) {
+ return getContext().actorOf(info.newProps().withDispatcher(shardDispatcherPath),
+ info.getShardId().toString());
}
- private void findPrimary(FindPrimary message) {
+ private void findPrimary(final FindPrimary message) {
LOG.debug("{}: In findPrimary: {}", persistenceId(), message);
final String shardName = message.getShardName();
Future<Object> futureObj = ask(getSelf(), new FindPrimary(shardName, true), findPrimaryTimeout);
futureObj.onComplete(new OnComplete<Object>() {
@Override
- public void onComplete(Throwable failure, Object response) {
+ public void onComplete(final Throwable failure, final Object response) {
if (failure != null) {
handler.onFailure(failure);
} else {
* @param shardName the shard name
* @return a b
*/
- private ShardIdentifier getShardIdentifier(MemberName memberName, String shardName) {
+ private ShardIdentifier getShardIdentifier(final MemberName memberName, final String shardName) {
return peerAddressResolver.getShardIdentifier(memberName, shardName);
}
}
}
- restoreFromSnapshot = null; // null out to GC
+ // null out to GC
+ restoreFromSnapshot = null;
for (String shardName : memberShardNames) {
ShardIdentifier shardId = getShardIdentifier(memberName, shardName);
*
* @param shardName the shard name
*/
- private Map<String, String> getPeerAddresses(String shardName) {
- Collection<MemberName> members = configuration.getMembersFromShardName(shardName);
- Map<String, String> peerAddresses = new HashMap<>();
+ private Map<String, String> getPeerAddresses(final String shardName) {
+ final Collection<MemberName> members = configuration.getMembersFromShardName(shardName);
+ return getPeerAddresses(shardName, members);
+ }
+ private Map<String, String> getPeerAddresses(final String shardName, final Collection<MemberName> members) {
+ Map<String, String> peerAddresses = new HashMap<>();
MemberName currentMemberName = this.cluster.getCurrentMemberName();
for (MemberName memberName : members) {
return false;
}
+ private void onAddPrefixShardReplica(final AddPrefixShardReplica message) {
+ LOG.debug("{}: onAddPrefixShardReplica: {}", persistenceId(), message);
+
+ final ShardIdentifier shardId = getShardIdentifier(cluster.getCurrentMemberName(),
+ ClusterUtils.getCleanShardName(message.getShardPrefix()));
+ final String shardName = shardId.getShardName();
+
+ // Create the localShard
+ if (schemaContext == null) {
+ String msg = String.format(
+ "No SchemaContext is available in order to create a local shard instance for %s", shardName);
+ LOG.debug("{}: {}", persistenceId(), msg);
+ getSender().tell(new Status.Failure(new IllegalStateException(msg)), getSelf());
+ return;
+ }
+
+ findPrimary(shardName, new AutoFindPrimaryFailureResponseHandler(getSender(), shardName, persistenceId(),
+ getSelf()) {
+ @Override
+ public void onRemotePrimaryShardFound(final RemotePrimaryShardFound response) {
+ final RunnableMessage runnable = (RunnableMessage) () -> addPrefixShard(getShardName(),
+ message.getShardPrefix(), response, getSender());
+ if (!isPreviousShardActorStopInProgress(getShardName(), runnable)) {
+ getSelf().tell(runnable, getTargetActor());
+ }
+ }
+
+ @Override
+ public void onLocalPrimaryFound(final LocalPrimaryShardFound message) {
+ sendLocalReplicaAlreadyExistsReply(getShardName(), getTargetActor());
+ }
+ });
+ }
+
private void onAddShardReplica(final AddShardReplica shardReplicaMsg) {
final String shardName = shardReplicaMsg.getShardName();
findPrimary(shardName, new AutoFindPrimaryFailureResponseHandler(getSender(), shardName, persistenceId(),
getSelf()) {
@Override
- public void onRemotePrimaryShardFound(RemotePrimaryShardFound response) {
- getSelf().tell((RunnableMessage) () -> addShard(getShardName(), response, getSender()),
- getTargetActor());
+ public void onRemotePrimaryShardFound(final RemotePrimaryShardFound response) {
+ final RunnableMessage runnable = (RunnableMessage) () ->
+ addShard(getShardName(), response, getSender());
+ if (!isPreviousShardActorStopInProgress(getShardName(), runnable)) {
+ getSelf().tell(runnable, getTargetActor());
+ }
}
@Override
- public void onLocalPrimaryFound(LocalPrimaryShardFound message) {
+ public void onLocalPrimaryFound(final LocalPrimaryShardFound message) {
sendLocalReplicaAlreadyExistsReply(getShardName(), getTargetActor());
}
-
});
}
- private void sendLocalReplicaAlreadyExistsReply(String shardName, ActorRef sender) {
+ private void sendLocalReplicaAlreadyExistsReply(final String shardName, final ActorRef sender) {
String msg = String.format("Local shard %s already exists", shardName);
LOG.debug("{}: {}", persistenceId(), msg);
sender.tell(new Status.Failure(new AlreadyExistsException(msg)), getSelf());
}
+ private void addPrefixShard(final String shardName, final YangInstanceIdentifier shardPrefix,
+ final RemotePrimaryShardFound response, final ActorRef sender) {
+ if (isShardReplicaOperationInProgress(shardName, sender)) {
+ return;
+ }
+
+ shardReplicaOperationsInProgress.add(shardName);
+
+ final ShardInformation shardInfo;
+ final boolean removeShardOnFailure;
+ ShardInformation existingShardInfo = localShards.get(shardName);
+ if (existingShardInfo == null) {
+ removeShardOnFailure = true;
+ ShardIdentifier shardId = getShardIdentifier(cluster.getCurrentMemberName(), shardName);
+
+ final Builder builder = newShardDatastoreContextBuilder(shardName);
+ builder.storeRoot(shardPrefix).customRaftPolicyImplementation(DisableElectionsRaftPolicy.class.getName());
+
+ DatastoreContext datastoreContext = builder.build();
+
+ shardInfo = new ShardInformation(shardName, shardId, getPeerAddresses(shardName), datastoreContext,
+ Shard.builder(), peerAddressResolver);
+ shardInfo.setActiveMember(false);
+ shardInfo.setSchemaContext(schemaContext);
+ localShards.put(shardName, shardInfo);
+ shardInfo.setActor(newShardActor(shardInfo));
+ } else {
+ removeShardOnFailure = false;
+ shardInfo = existingShardInfo;
+ }
+
+ execAddShard(shardName, shardInfo, response, removeShardOnFailure, sender);
+ }
+
private void addShard(final String shardName, final RemotePrimaryShardFound response, final ActorRef sender) {
if (isShardReplicaOperationInProgress(shardName, sender)) {
return;
shardInfo = new ShardInformation(shardName, shardId, getPeerAddresses(shardName), datastoreContext,
Shard.builder(), peerAddressResolver);
shardInfo.setActiveMember(false);
+ shardInfo.setSchemaContext(schemaContext);
localShards.put(shardName, shardInfo);
- shardInfo.setActor(newShardActor(schemaContext, shardInfo));
+ shardInfo.setActor(newShardActor(shardInfo));
} else {
removeShardOnFailure = false;
shardInfo = existingShardInfo;
}
- String localShardAddress = peerAddressResolver.getShardActorAddress(shardName, cluster.getCurrentMemberName());
+ execAddShard(shardName, shardInfo, response, removeShardOnFailure, sender);
+ }
+
+ private void execAddShard(final String shardName,
+ final ShardInformation shardInfo,
+ final RemotePrimaryShardFound response,
+ final boolean removeShardOnFailure,
+ final ActorRef sender) {
+
+ final String localShardAddress =
+ peerAddressResolver.getShardActorAddress(shardName, cluster.getCurrentMemberName());
//inform ShardLeader to add this shard as a replica by sending an AddServer message
LOG.debug("{}: Sending AddServer message to peer {} for shard {}", persistenceId(),
response.getPrimaryPath(), shardInfo.getShardId());
- Timeout addServerTimeout = new Timeout(shardInfo.getDatastoreContext()
+ final Timeout addServerTimeout = new Timeout(shardInfo.getDatastoreContext()
.getShardLeaderElectionTimeout().duration());
- Future<Object> futureObj = ask(getContext().actorSelection(response.getPrimaryPath()),
- new AddServer(shardInfo.getShardId().toString(), localShardAddress, true), addServerTimeout);
+ final Future<Object> futureObj = ask(getContext().actorSelection(response.getPrimaryPath()),
+ new AddServer(shardInfo.getShardId().toString(), localShardAddress, true), addServerTimeout);
futureObj.onComplete(new OnComplete<Object>() {
@Override
- public void onComplete(Throwable failure, Object addServerResponse) {
+ public void onComplete(final Throwable failure, final Object addServerResponse) {
if (failure != null) {
LOG.debug("{}: AddServer request to {} for {} failed", persistenceId(),
response.getPrimaryPath(), shardName, failure);
- String msg = String.format("AddServer request to leader %s for shard %s failed",
+ final String msg = String.format("AddServer request to leader %s for shard %s failed",
response.getPrimaryPath(), shardName);
self().tell(new ForwardedAddServerFailure(shardName, msg, failure, removeShardOnFailure), sender);
} else {
}, new Dispatchers(context().system().dispatchers()).getDispatcher(Dispatchers.DispatcherType.Client));
}
- private void onAddServerFailure(String shardName, String message, Throwable failure, ActorRef sender,
- boolean removeShardOnFailure) {
+ private void onAddServerFailure(final String shardName, final String message, final Throwable failure,
+ final ActorRef sender, final boolean removeShardOnFailure) {
shardReplicaOperationsInProgress.remove(shardName);
if (removeShardOnFailure) {
new RuntimeException(message, failure)), getSelf());
}
- private void onAddServerReply(ShardInformation shardInfo, AddServerReply replyMsg, ActorRef sender,
- String leaderPath, boolean removeShardOnFailure) {
+ private void onAddServerReply(final ShardInformation shardInfo, final AddServerReply replyMsg,
+ final ActorRef sender, final String leaderPath, final boolean removeShardOnFailure) {
String shardName = shardInfo.getShardName();
shardReplicaOperationsInProgress.remove(shardName);
}
}
- private static Exception getServerChangeException(Class<?> serverChange, ServerChangeStatus serverChangeStatus,
- String leaderPath, ShardIdentifier shardId) {
- Exception failure;
+ private static Exception getServerChangeException(final Class<?> serverChange,
+ final ServerChangeStatus serverChangeStatus, final String leaderPath, final ShardIdentifier shardId) {
switch (serverChangeStatus) {
case TIMEOUT:
- failure = new TimeoutException(String.format(
+ return new TimeoutException(String.format(
"The shard leader %s timed out trying to replicate the initial data to the new shard %s."
+ "Possible causes - there was a problem replicating the data or shard leadership changed "
+ "while replicating the shard data", leaderPath, shardId.getShardName()));
- break;
case NO_LEADER:
- failure = createNoShardLeaderException(shardId);
- break;
+ return createNoShardLeaderException(shardId);
case NOT_SUPPORTED:
- failure = new UnsupportedOperationException(String.format("%s request is not supported for shard %s",
+ return new UnsupportedOperationException(String.format("%s request is not supported for shard %s",
serverChange.getSimpleName(), shardId.getShardName()));
- break;
default :
- failure = new RuntimeException(String.format(
- "%s request to leader %s for shard %s failed with status %s",
+ return new RuntimeException(String.format("%s request to leader %s for shard %s failed with status %s",
serverChange.getSimpleName(), leaderPath, shardId.getShardName(), serverChangeStatus));
}
- return failure;
}
private void onRemoveShardReplica(final RemoveShardReplica shardReplicaMsg) {
findPrimary(shardReplicaMsg.getShardName(), new AutoFindPrimaryFailureResponseHandler(getSender(),
shardReplicaMsg.getShardName(), persistenceId(), getSelf()) {
@Override
- public void onRemotePrimaryShardFound(RemotePrimaryShardFound response) {
+ public void onRemotePrimaryShardFound(final RemotePrimaryShardFound response) {
doRemoveShardReplicaAsync(response.getPrimaryPath());
}
@Override
- public void onLocalPrimaryFound(LocalPrimaryShardFound response) {
+ public void onLocalPrimaryFound(final LocalPrimaryShardFound response) {
doRemoveShardReplicaAsync(response.getPrimaryPath());
}
});
}
+ private void onRemovePrefixShardReplica(final RemovePrefixShardReplica message) {
+ LOG.debug("{}: onRemovePrefixShardReplica: {}", persistenceId(), message);
+
+ final ShardIdentifier shardId = getShardIdentifier(cluster.getCurrentMemberName(),
+ ClusterUtils.getCleanShardName(message.getShardPrefix()));
+ final String shardName = shardId.getShardName();
+
+ findPrimary(shardName, new AutoFindPrimaryFailureResponseHandler(getSender(),
+ shardName, persistenceId(), getSelf()) {
+ @Override
+ public void onRemotePrimaryShardFound(final RemotePrimaryShardFound response) {
+ doRemoveShardReplicaAsync(response.getPrimaryPath());
+ }
+
+ @Override
+ public void onLocalPrimaryFound(final LocalPrimaryShardFound response) {
+ doRemoveShardReplicaAsync(response.getPrimaryPath());
+ }
+
+ private void doRemoveShardReplicaAsync(final String primaryPath) {
+ getSelf().tell((RunnableMessage) () -> removePrefixShardReplica(message, getShardName(),
+ primaryPath, getSender()), getTargetActor());
+ }
+ });
+ }
+
private void persistShardList() {
List<String> shardList = new ArrayList<>(localShards.keySet());
for (ShardInformation shardInfo : localShards.values()) {
}
}
LOG.debug("{}: persisting the shard list {}", persistenceId(), shardList);
- saveSnapshot(updateShardManagerSnapshot(shardList));
+ saveSnapshot(updateShardManagerSnapshot(shardList, configuration.getAllPrefixShardConfigurations()));
}
- private ShardManagerSnapshot updateShardManagerSnapshot(List<String> shardList) {
- currentSnapshot = new ShardManagerSnapshot(shardList);
+ private ShardManagerSnapshot updateShardManagerSnapshot(
+ final List<String> shardList,
+ final Map<DOMDataTreeIdentifier, PrefixShardConfiguration> allPrefixShardConfigurations) {
+ currentSnapshot = new ShardManagerSnapshot(shardList, allPrefixShardConfigurations);
return currentSnapshot;
}
- private void applyShardManagerSnapshot(ShardManagerSnapshot snapshot) {
+ private void applyShardManagerSnapshot(final ShardManagerSnapshot snapshot) {
currentSnapshot = snapshot;
LOG.debug("{}: onSnapshotOffer: {}", persistenceId(), currentSnapshot);
}
}
- private void onSaveSnapshotSuccess(SaveSnapshotSuccess successMessage) {
+ private void onSaveSnapshotSuccess(final SaveSnapshotSuccess successMessage) {
LOG.debug("{} saved ShardManager snapshot successfully. Deleting the prev snapshot if available",
persistenceId());
deleteSnapshots(new SnapshotSelectionCriteria(scala.Long.MaxValue(), successMessage.metadata().timestamp() - 1,
localShardFound.getPath(), getSender()));
}
- private void onFlipShardMembersVotingStatus(FlipShardMembersVotingStatus flipMembersVotingStatus) {
+ private void onFlipShardMembersVotingStatus(final FlipShardMembersVotingStatus flipMembersVotingStatus) {
LOG.debug("{}: onFlipShardMembersVotingStatus: {}", persistenceId(), flipMembersVotingStatus);
ActorRef sender = getSender();
future.onComplete(new OnComplete<Object>() {
@Override
- public void onComplete(Throwable failure, Object response) {
+ public void onComplete(final Throwable failure, final Object response) {
if (failure != null) {
sender.tell(new Status.Failure(new RuntimeException(
String.format("Failed to access local shard %s", shardName), failure)), self());
OnDemandRaftState raftState = (OnDemandRaftState) response;
Map<String, Boolean> serverVotingStatusMap = new HashMap<>();
- for ( Entry<String, Boolean> e: raftState.getPeerVotingStates().entrySet()) {
+ for (Entry<String, Boolean> e: raftState.getPeerVotingStates().entrySet()) {
serverVotingStatusMap.put(e.getKey(), !e.getValue());
}
}
- private void findLocalShard(FindLocalShard message) {
+ private void findLocalShard(final FindLocalShard message) {
+ LOG.debug("{}: findLocalShard : {}", persistenceId(), message.getShardName());
+
final ShardInformation shardInformation = localShards.get(message.getShardName());
if (shardInformation == null) {
+ LOG.debug("{}: Local shard {} not found - shards present: {}",
+ persistenceId(), message.getShardName(), localShards.keySet());
+
getSender().tell(new LocalShardNotFound(message.getShardName()), getSelf());
return;
}
Future<Object> futureObj = ask(getSelf(), new FindLocalShard(shardName, true), findLocalTimeout);
futureObj.onComplete(new OnComplete<Object>() {
@Override
- public void onComplete(Throwable failure, Object response) {
+ public void onComplete(final Throwable failure, final Object response) {
if (failure != null) {
LOG.debug("{}: Received failure from FindLocalShard for shard {}", persistenceId, shardName,
failure);
}, new Dispatchers(context().system().dispatchers()).getDispatcher(Dispatchers.DispatcherType.Client));
}
- private void changeShardMembersVotingStatus(ChangeServersVotingStatus changeServersVotingStatus,
+ private void changeShardMembersVotingStatus(final ChangeServersVotingStatus changeServersVotingStatus,
final String shardName, final ActorRef shardActorRef, final ActorRef sender) {
if (isShardReplicaOperationInProgress(shardName, sender)) {
return;
futureObj.onComplete(new OnComplete<Object>() {
@Override
- public void onComplete(Throwable failure, Object response) {
+ public void onComplete(final Throwable failure, final Object response) {
shardReplicaOperationsInProgress.remove(shardName);
if (failure != null) {
String msg = String.format("ChangeServersVotingStatus request to local shard %s failed",
String leaderPath;
boolean removeShardOnFailure;
- ForwardedAddServerReply(ShardInformation shardInfo, AddServerReply addServerReply, String leaderPath,
- boolean removeShardOnFailure) {
+ ForwardedAddServerReply(final ShardInformation shardInfo, final AddServerReply addServerReply,
+ final String leaderPath, final boolean removeShardOnFailure) {
this.shardInfo = shardInfo;
this.addServerReply = addServerReply;
this.leaderPath = leaderPath;
Throwable failure;
boolean removeShardOnFailure;
- ForwardedAddServerFailure(String shardName, String failureMessage, Throwable failure,
- boolean removeShardOnFailure) {
+ ForwardedAddServerFailure(final String shardName, final String failureMessage, final Throwable failure,
+ final boolean removeShardOnFailure) {
this.shardName = shardName;
this.failureMessage = failureMessage;
this.failure = failure;
private final Runnable replyRunnable;
private Cancellable timeoutSchedule;
- OnShardInitialized(Runnable replyRunnable) {
+ OnShardInitialized(final Runnable replyRunnable) {
this.replyRunnable = replyRunnable;
}
return timeoutSchedule;
}
- void setTimeoutSchedule(Cancellable timeoutSchedule) {
+ void setTimeoutSchedule(final Cancellable timeoutSchedule) {
this.timeoutSchedule = timeoutSchedule;
}
}
static class OnShardReady extends OnShardInitialized {
- OnShardReady(Runnable replyRunnable) {
+ OnShardReady(final Runnable replyRunnable) {
super(replyRunnable);
}
}
* @param persistenceId The persistenceId for the ShardManager
* @param shardManagerActor The ShardManager actor which triggered the call to FindPrimary
*/
- protected AutoFindPrimaryFailureResponseHandler(ActorRef targetActor, String shardName, String persistenceId,
- ActorRef shardManagerActor) {
+ protected AutoFindPrimaryFailureResponseHandler(final ActorRef targetActor, final String shardName,
+ final String persistenceId, final ActorRef shardManagerActor) {
this.targetActor = Preconditions.checkNotNull(targetActor);
this.shardName = Preconditions.checkNotNull(shardName);
this.persistenceId = Preconditions.checkNotNull(persistenceId);
}
@Override
- public void onFailure(Throwable failure) {
+ public void onFailure(final Throwable failure) {
LOG.debug("{}: Received failure from FindPrimary for shard {}", persistenceId, shardName, failure);
targetActor.tell(new Status.Failure(new RuntimeException(
String.format("Failed to find leader for shard %s", shardName), failure)), shardManagerActor);
}
@Override
- public void onUnknownResponse(Object response) {
+ public void onUnknownResponse(final Object response) {
String msg = String.format("Failed to find leader for shard %s: received response: %s",
shardName, response);
LOG.debug("{}: {}", persistenceId, msg);
private final Object response;
private final String leaderPath;
- WrappedShardResponse(ShardIdentifier shardId, Object response, String leaderPath) {
+ WrappedShardResponse(final ShardIdentifier shardId, final Object response, final String leaderPath) {
this.shardId = shardId;
this.response = response;
this.leaderPath = leaderPath;
private final ShardInformation shardInfo;
private final OnShardInitialized onShardInitialized;
- ShardNotInitializedTimeout(ShardInformation shardInfo, OnShardInitialized onShardInitialized, ActorRef sender) {
+ ShardNotInitializedTimeout(final ShardInformation shardInfo, final OnShardInitialized onShardInitialized,
+ final ActorRef sender) {
this.sender = sender;
this.shardInfo = shardInfo;
this.onShardInitialized = onShardInitialized;
Code Review / controller.git / blobdiff