import akka.persistence.RecoveryFailure;
import com.google.common.annotations.VisibleForTesting;
import com.google.common.base.Preconditions;
-import org.opendaylight.controller.cluster.common.actor.AbstractUntypedPersistentActor;
+import com.google.common.base.Supplier;
+import com.google.common.collect.Lists;
+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.jmx.mbeans.shardmanager.ShardManagerInfo;
import org.opendaylight.controller.cluster.datastore.jmx.mbeans.shardmanager.ShardManagerInfoMBean;
+import org.opendaylight.controller.cluster.datastore.messages.ActorInitialized;
+import org.opendaylight.controller.cluster.datastore.messages.ActorNotInitialized;
import org.opendaylight.controller.cluster.datastore.messages.FindLocalShard;
import org.opendaylight.controller.cluster.datastore.messages.FindPrimary;
import org.opendaylight.controller.cluster.datastore.messages.LocalShardFound;
* <li> Monitor the cluster members and store their addresses
* <ul>
*/
-public class ShardManager extends AbstractUntypedPersistentActor {
+public class ShardManager extends AbstractUntypedPersistentActorWithMetering {
protected final LoggingAdapter LOG =
Logging.getLogger(getContext().system(), this);
private final Collection<String> knownModules = new HashSet<>(128);
+ 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
*/
- private ShardManager(String type, ClusterWrapper cluster, Configuration configuration,
+ protected ShardManager(String type, 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());
// Subscribe this actor to cluster member events
cluster.subscribeToMemberEvents(getSelf());
- //createLocalShards(null);
+ createLocalShards();
+ }
+
+ protected DataPersistenceProvider createDataPersistenceProvider(boolean persistent) {
+ return (persistent) ? new PersistentDataProvider() : new NonPersistentDataProvider();
}
public static Props props(final String type,
@Override
public void handleCommand(Object message) throws Exception {
if (message.getClass().equals(FindPrimary.SERIALIZABLE_CLASS)) {
- findPrimary(
- FindPrimary.fromSerializable(message));
+ findPrimary(FindPrimary.fromSerializable(message));
} else if(message instanceof FindLocalShard){
findLocalShard((FindLocalShard) message);
} else if (message instanceof UpdateSchemaContext) {
updateSchemaContext(message);
+ } else if(message instanceof ActorInitialized) {
+ onActorInitialized(message);
} else if (message instanceof ClusterEvent.MemberUp){
memberUp((ClusterEvent.MemberUp) message);
} else if(message instanceof ClusterEvent.MemberRemoved) {
}
- @Override protected void handleRecover(Object message) throws Exception {
+ private void onActorInitialized(Object message) {
+ final ActorRef sender = getSender();
- 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 (sender == null) {
+ return; //why is a non-actor sending this message? Just ignore.
+ }
+
+ String actorName = sender.path().name();
+ //find shard name from actor name; actor name is stringified shardId
+ ShardIdentifier shardId = ShardIdentifier.builder().fromShardIdString(actorName).build();
+
+ if (shardId.getShardName() == null) {
+ return;
+ }
+ markShardAsInitialized(shardId.getShardName());
+ }
+
+ private void markShardAsInitialized(String shardName) {
+ LOG.debug("Initializing shard [{}]", shardName);
+ ShardInformation shardInformation = localShards.get(shardName);
+ if (shardInformation != null) {
+ shardInformation.setActorInitialized();
+ }
+ }
+
+ @Override
+ protected void handleRecover(Object message) throws Exception {
+ if(dataPersistenceProvider.isRecoveryApplicable()) {
+ 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);
+ }
+ } else {
+ if (message instanceof RecoveryCompleted) {
+ LOG.info("Recovery complete : {}", persistenceId());
+
+ // Delete all the messages from the akka journal
+ deleteMessages(lastSequenceNr());
+ }
}
}
private void findLocalShard(FindLocalShard message) {
- ShardInformation shardInformation =
- localShards.get(message.getShardName());
+ final ShardInformation shardInformation = localShards.get(message.getShardName());
+
+ if(shardInformation == null){
+ getSender().tell(new LocalShardNotFound(message.getShardName()), getSelf());
+ return;
+ }
+
+ sendResponse(shardInformation, message.isWaitUntilInitialized(), new Supplier<Object>() {
+ @Override
+ public Object get() {
+ return new LocalShardFound(shardInformation.getActor());
+ }
+ });
+ }
+
+ 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());
+ }
- if(shardInformation != null){
- getSender().tell(new LocalShardFound(shardInformation.getActor()), getSelf());
return;
}
- getSender().tell(new LocalShardNotFound(message.getShardName()),
- getSelf());
+ getSender().tell(messageSupplier.get(), getSelf());
}
private void memberRemoved(ClusterEvent.MemberRemoved message) {
private void memberUp(ClusterEvent.MemberUp message) {
String memberName = message.member().roles().head();
- memberNameToAddress.put(memberName , message.member().address());
+ memberNameToAddress.put(memberName, message.member().address());
for(ShardInformation info : localShards.values()){
String shardName = info.getShardName();
knownModules.clear();
knownModules.addAll(newModules);
- persist(new SchemaContextModules(newModules), new Procedure<SchemaContextModules>() {
+ dataPersistenceProvider.persist(new SchemaContextModules(newModules), new Procedure<SchemaContextModules>() {
- @Override public void apply(SchemaContextModules param) throws Exception {
+ @Override
+ public void apply(SchemaContextModules param) throws Exception {
LOG.info("Sending new SchemaContext to Shards");
- if (localShards.size() == 0) {
- createLocalShards(schemaContext);
- } else {
- for (ShardInformation info : localShards.values()) {
+ for (ShardInformation info : localShards.values()) {
+ if (info.getActor() == null) {
+ info.setActor(getContext().actorOf(Shard.props(info.getShardId(),
+ info.getPeerAddresses(), datastoreContext, schemaContext),
+ info.getShardId().toString()));
+ } else {
info.getActor().tell(message, getSelf());
}
}
String shardName = message.getShardName();
// First see if the there is a local replica for the shard
- ShardInformation info = localShards.get(shardName);
- if(info != null) {
- ActorPath shardPath = info.getActorPath();
- if (shardPath != null) {
- getSender()
- .tell(
- new PrimaryFound(shardPath.toString()).toSerializable(),
- getSelf());
- return;
- }
+ final ShardInformation info = localShards.get(shardName);
+ if (info != null) {
+ sendResponse(info, message.isWaitUntilInitialized(), new Supplier<Object>() {
+ @Override
+ public Object get() {
+ return new PrimaryFound(info.getActorPath().toString()).toSerializable();
+ }
+ });
+
+ return;
}
- List<String> members =
- configuration.getMembersFromShardName(shardName);
+ List<String> members = configuration.getMembersFromShardName(shardName);
if(cluster.getCurrentMemberName() != null) {
members.remove(cluster.getCurrentMemberName());
}
+ /**
+ * FIXME: Instead of sending remote shard actor path back to sender,
+ * forward FindPrimary message to remote shard manager
+ */
// There is no way for us to figure out the primary (for now) so assume
// that one of the remote nodes is a primary
for(String memberName : members) {
* runs
*
*/
- private void createLocalShards(SchemaContext schemaContext) {
+ private void createLocalShards() {
String memberName = this.cluster.getCurrentMemberName();
List<String> memberShardNames =
this.configuration.getMemberShardNames(memberName);
for(String shardName : memberShardNames){
ShardIdentifier shardId = getShardIdentifier(memberName, shardName);
Map<ShardIdentifier, String> peerAddresses = getPeerAddresses(shardName);
- ActorRef actor = getContext()
- .actorOf(Shard.props(shardId, peerAddresses, datastoreContext, schemaContext),
- shardId.toString());
localShardActorNames.add(shardId.toString());
- localShards.put(shardName, new ShardInformation(shardName, actor, peerAddresses));
+ localShards.put(shardName, new ShardInformation(shardName, shardId, peerAddresses));
}
mBean = ShardManagerInfo.createShardManagerMBean("shard-manager-" + this.type,
}
- @Override public String persistenceId() {
+ @Override
+ public String persistenceId() {
return "shard-manager-" + type;
}
- @VisibleForTesting public Collection<String> getKnownModules() {
+ @VisibleForTesting
+ Collection<String> getKnownModules() {
return knownModules;
}
+ @VisibleForTesting
+ DataPersistenceProvider getDataPersistenceProvider() {
+ return dataPersistenceProvider;
+ }
+
private class ShardInformation {
+ private final ShardIdentifier shardId;
private final String shardName;
- private final ActorRef actor;
- private final ActorPath actorPath;
+ private ActorRef actor;
+ private ActorPath actorPath;
private final Map<ShardIdentifier, String> peerAddresses;
- private ShardInformation(String shardName, ActorRef actor,
- Map<ShardIdentifier, String> peerAddresses) {
+ // 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) {
this.shardName = shardName;
- this.actor = actor;
- this.actorPath = actor.path();
+ this.shardId = shardId;
this.peerAddresses = peerAddresses;
}
- public String getShardName() {
+ String getShardName() {
return shardName;
}
- public ActorRef getActor(){
+ ActorRef getActor(){
return actor;
}
- public ActorPath getActorPath() {
+ ActorPath getActorPath() {
return actorPath;
}
- public void updatePeerAddress(ShardIdentifier peerId, String peerAddress){
+ void setActor(ActorRef actor) {
+ this.actor = actor;
+ this.actorPath = actor.path();
+ }
+
+ ShardIdentifier getShardId() {
+ return shardId;
+ }
+
+ Map<ShardIdentifier, String> getPeerAddresses() {
+ return peerAddresses;
+ }
+
+ void updatePeerAddress(ShardIdentifier peerId, String peerAddress){
LOG.info("updatePeerAddress for peer {} with address {}", peerId,
peerAddress);
if(peerAddresses.containsKey(peerId)){
peerAddresses.put(peerId, peerAddress);
- if(LOG.isDebugEnabled()) {
- LOG.debug(
- "Sending PeerAddressResolved for peer {} with address {} to {}",
- peerId, peerAddress, actor.path());
+
+ if(actor != null) {
+ if(LOG.isDebugEnabled()) {
+ LOG.debug("Sending PeerAddressResolved for peer {} with address {} to {}",
+ peerId, peerAddress, actor.path());
+ }
+
+ actor.tell(new PeerAddressResolved(peerId, peerAddress), getSelf());
}
- actor
- .tell(new PeerAddressResolved(peerId, peerAddress),
- getSelf());
+ }
+ }
+
+ boolean isShardInitialized() {
+ return getActor() != null && actorInitialized;
+ }
+
+ void setActorInitialized() {
+ this.actorInitialized = true;
+ for(Runnable runnable: runnablesOnInitialized) {
+ runnable.run();
}
+
+ runnablesOnInitialized.clear();
+ }
+
+ void addRunnableOnInitialized(Runnable runnable) {
+ runnablesOnInitialized.add(runnable);
}
}
}
static class SchemaContextModules implements Serializable {
+ private static final long serialVersionUID = 1L;
private final Set<String> modules;
SchemaContextModules(Set<String> modules){
Code Review / controller.git / blobdiff