import akka.actor.Props;
import akka.actor.SupervisorStrategy;
import akka.cluster.ClusterEvent;
-import akka.event.Logging;
-import akka.event.LoggingAdapter;
import akka.japi.Creator;
import akka.japi.Function;
import akka.japi.Procedure;
import com.google.common.annotations.VisibleForTesting;
import com.google.common.base.Preconditions;
import com.google.common.base.Supplier;
+import com.google.common.collect.ImmutableSet;
+import com.google.common.collect.Lists;
+import java.io.Serializable;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+import org.opendaylight.controller.cluster.DataPersistenceProvider;
import org.opendaylight.controller.cluster.common.actor.AbstractUntypedPersistentActorWithMetering;
import org.opendaylight.controller.cluster.datastore.identifiers.ShardIdentifier;
import org.opendaylight.controller.cluster.datastore.identifiers.ShardManagerIdentifier;
import org.opendaylight.controller.cluster.datastore.messages.PrimaryFound;
import org.opendaylight.controller.cluster.datastore.messages.PrimaryNotFound;
import org.opendaylight.controller.cluster.datastore.messages.UpdateSchemaContext;
+import org.opendaylight.controller.cluster.datastore.utils.Dispatchers;
import org.opendaylight.yangtools.yang.model.api.ModuleIdentifier;
import org.opendaylight.yangtools.yang.model.api.SchemaContext;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
import scala.concurrent.duration.Duration;
-import java.io.Serializable;
-import java.util.ArrayList;
-import java.util.Collection;
-import java.util.HashMap;
-import java.util.HashSet;
-import java.util.List;
-import java.util.Map;
-import java.util.Set;
/**
* The ShardManager has the following jobs,
*/
public class ShardManager extends AbstractUntypedPersistentActorWithMetering {
- protected final LoggingAdapter LOG =
- Logging.getLogger(getContext().system(), this);
+ private final Logger LOG = LoggerFactory.getLogger(getClass());
// Stores a mapping between a member name and the address of the member
// Member names look like "member-1", "member-2" etc and are as specified
private final Configuration configuration;
+ private final String shardDispatcherPath;
+
private ShardManagerInfoMBean mBean;
private final DatastoreContext datastoreContext;
- private final Collection<String> knownModules = new HashSet<>(128);
+ private Collection<String> knownModules = Collections.emptySet();
+
+ private final DataPersistenceProvider dataPersistenceProvider;
/**
- * @param type defines the kind of data that goes into shards created by this shard manager. Examples of type would be
- * configuration or operational
*/
- protected ShardManager(String type, ClusterWrapper cluster, Configuration configuration,
+ protected ShardManager(ClusterWrapper cluster, Configuration configuration,
DatastoreContext datastoreContext) {
- this.type = Preconditions.checkNotNull(type, "type should not be null");
this.cluster = Preconditions.checkNotNull(cluster, "cluster should not be null");
this.configuration = Preconditions.checkNotNull(configuration, "configuration should not be null");
this.datastoreContext = datastoreContext;
+ this.dataPersistenceProvider = createDataPersistenceProvider(datastoreContext.isPersistent());
+ this.type = datastoreContext.getDataStoreType();
+ this.shardDispatcherPath =
+ new Dispatchers(context().system().dispatchers()).getDispatcherPath(Dispatchers.DispatcherType.Shard);
// Subscribe this actor to cluster member events
cluster.subscribeToMemberEvents(getSelf());
createLocalShards();
}
- public static Props props(final String type,
+ protected DataPersistenceProvider createDataPersistenceProvider(boolean persistent) {
+ return (persistent) ? new PersistentDataProvider() : new NonPersistentDataProvider();
+ }
+
+ public static Props props(
final ClusterWrapper cluster,
final Configuration configuration,
final DatastoreContext datastoreContext) {
- Preconditions.checkNotNull(type, "type should not be null");
Preconditions.checkNotNull(cluster, "cluster should not be null");
Preconditions.checkNotNull(configuration, "configuration should not be null");
- return Props.create(new ShardManagerCreator(type, cluster, configuration, datastoreContext));
+ return Props.create(new ShardManagerCreator(cluster, configuration, datastoreContext));
}
@Override
LOG.debug("Initializing shard [{}]", shardName);
ShardInformation shardInformation = localShards.get(shardName);
if (shardInformation != null) {
- shardInformation.setShardInitialized(true);
+ shardInformation.setActorInitialized();
}
}
@Override
protected void handleRecover(Object message) throws Exception {
- if(message instanceof SchemaContextModules){
- SchemaContextModules msg = (SchemaContextModules) message;
- knownModules.clear();
- knownModules.addAll(msg.getModules());
- } else if(message instanceof RecoveryFailure){
- RecoveryFailure failure = (RecoveryFailure) message;
- LOG.error(failure.cause(), "Recovery failed");
- } else if(message instanceof RecoveryCompleted){
- LOG.info("Recovery complete : {}", persistenceId());
-
- // Delete all the messages from the akka journal except the last one
- deleteMessages(lastSequenceNr() - 1);
+ if(dataPersistenceProvider.isRecoveryApplicable()) {
+ if (message instanceof SchemaContextModules) {
+ SchemaContextModules msg = (SchemaContextModules) message;
+ knownModules = ImmutableSet.copyOf(msg.getModules());
+ } else if (message instanceof RecoveryFailure) {
+ RecoveryFailure failure = (RecoveryFailure) message;
+ LOG.error("Recovery failed", failure.cause());
+ } else if (message instanceof RecoveryCompleted) {
+ LOG.info("Recovery complete : {}", persistenceId());
+
+ // Delete all the messages from the akka journal except the last one
+ deleteMessages(lastSequenceNr() - 1);
+ }
+ } else {
+ if (message instanceof RecoveryCompleted) {
+ LOG.info("Recovery complete : {}", persistenceId());
+
+ // Delete all the messages from the akka journal
+ deleteMessages(lastSequenceNr());
+ }
}
}
return;
}
- sendResponse(shardInformation, new Supplier<Object>() {
+ sendResponse(shardInformation, message.isWaitUntilInitialized(), new Supplier<Object>() {
@Override
public Object get() {
return new LocalShardFound(shardInformation.getActor());
});
}
- private void sendResponse(ShardInformation shardInformation, Supplier<Object> messageSupplier) {
- if (shardInformation.getActor() == null || !shardInformation.isShardInitialized()) {
- getSender().tell(new ActorNotInitialized(), getSelf());
+ private void sendResponse(ShardInformation shardInformation, boolean waitUntilInitialized,
+ final Supplier<Object> messageSupplier) {
+ if (!shardInformation.isShardInitialized()) {
+ if(waitUntilInitialized) {
+ final ActorRef sender = getSender();
+ final ActorRef self = self();
+ shardInformation.addRunnableOnInitialized(new Runnable() {
+ @Override
+ public void run() {
+ sender.tell(messageSupplier.get(), self);
+ }
+ });
+ } else {
+ getSender().tell(new ActorNotInitialized(), getSelf());
+ }
+
return;
}
if(newModules.containsAll(knownModules)) {
- LOG.info("New SchemaContext has a super set of current knownModules - persisting info");
+ LOG.debug("New SchemaContext has a super set of current knownModules - persisting info");
- knownModules.clear();
- knownModules.addAll(newModules);
+ knownModules = ImmutableSet.copyOf(newModules);
- persist(new SchemaContextModules(newModules), new Procedure<SchemaContextModules>() {
+ dataPersistenceProvider.persist(new SchemaContextModules(newModules), new Procedure<SchemaContextModules>() {
@Override
public void apply(SchemaContextModules param) throws Exception {
- LOG.info("Sending new SchemaContext to Shards");
+ LOG.debug("Sending new SchemaContext to Shards");
for (ShardInformation info : localShards.values()) {
- if(info.getActor() == null) {
+ if (info.getActor() == null) {
info.setActor(getContext().actorOf(Shard.props(info.getShardId(),
- info.getPeerAddresses(), datastoreContext, schemaContext),
- info.getShardId().toString()));
+ info.getPeerAddresses(), datastoreContext, schemaContext)
+ .withDispatcher(shardDispatcherPath), info.getShardId().toString()));
} else {
info.getActor().tell(message, getSelf());
}
});
} else {
- LOG.info("Rejecting schema context update because it is not a super set of previously known modules");
+ LOG.debug("Rejecting schema context update - not a super set of previously known modules:\nUPDATE: {}\nKNOWN: {}",
+ newModules, knownModules);
}
}
// First see if the there is a local replica for the shard
final ShardInformation info = localShards.get(shardName);
if (info != null) {
- sendResponse(info, new Supplier<Object>() {
+ sendResponse(info, message.isWaitUntilInitialized(), new Supplier<Object>() {
@Override
public Object get() {
return new PrimaryFound(info.getActorPath().toString()).toSerializable();
new Function<Throwable, SupervisorStrategy.Directive>() {
@Override
public SupervisorStrategy.Directive apply(Throwable t) {
- StringBuilder sb = new StringBuilder();
- for(StackTraceElement element : t.getStackTrace()) {
- sb.append("\n\tat ")
- .append(element.toString());
- }
- LOG.warning("Supervisor Strategy of resume applied {}",sb.toString());
+ LOG.warn("Supervisor Strategy caught unexpected exception - resuming", t);
return SupervisorStrategy.resume();
}
}
return knownModules;
}
+ @VisibleForTesting
+ DataPersistenceProvider getDataPersistenceProvider() {
+ return dataPersistenceProvider;
+ }
+
private class ShardInformation {
private final ShardIdentifier shardId;
private final String shardName;
private ActorRef actor;
private ActorPath actorPath;
private final Map<ShardIdentifier, String> peerAddresses;
- private boolean shardInitialized = false; // flag that determines if the actor is ready for business
+
+ // flag that determines if the actor is ready for business
+ private boolean actorInitialized = false;
+
+ private final List<Runnable> runnablesOnInitialized = Lists.newArrayList();
private ShardInformation(String shardName, ShardIdentifier shardId,
Map<ShardIdentifier, String> peerAddresses) {
}
boolean isShardInitialized() {
- return shardInitialized;
+ return getActor() != null && actorInitialized;
}
- void setShardInitialized(boolean shardInitialized) {
- this.shardInitialized = shardInitialized;
+ void setActorInitialized() {
+ this.actorInitialized = true;
+
+ for(Runnable runnable: runnablesOnInitialized) {
+ runnable.run();
+ }
+
+ runnablesOnInitialized.clear();
+ }
+
+ void addRunnableOnInitialized(Runnable runnable) {
+ runnablesOnInitialized.add(runnable);
}
}
private static class ShardManagerCreator implements Creator<ShardManager> {
private static final long serialVersionUID = 1L;
- final String type;
final ClusterWrapper cluster;
final Configuration configuration;
final DatastoreContext datastoreContext;
- ShardManagerCreator(String type, ClusterWrapper cluster,
+ ShardManagerCreator(ClusterWrapper cluster,
Configuration configuration, DatastoreContext datastoreContext) {
- this.type = type;
this.cluster = cluster;
this.configuration = configuration;
this.datastoreContext = datastoreContext;
@Override
public ShardManager create() throws Exception {
- return new ShardManager(type, cluster, configuration, datastoreContext);
+ return new ShardManager(cluster, configuration, datastoreContext);
}
}
static class SchemaContextModules implements Serializable {
- private static final long serialVersionUID = 1L;
+ private static final long serialVersionUID = -8884620101025936590L;
private final Set<String> modules;
Code Review / controller.git / blobdiff