X-Git-Url: https://git.opendaylight.org/gerrit/gitweb?a=blobdiff_plain;f=opendaylight%2Fmd-sal%2Fsal-distributed-datastore%2Fsrc%2Fmain%2Fjava%2Forg%2Fopendaylight%2Fcontroller%2Fcluster%2Fdatastore%2FShardManager.java;h=136c6813eaba9d7d116b4ba0b4609bbd4848fb13;hb=b03c5a20673792f0fb8df847fbaf9c359c7cce1b;hp=e68628dbf5c1fc992afb30ae986fff8ed8f6eef1;hpb=4f81f4ed61cf74c4dcac48e4f7714adcda501a5f;p=controller.git
diff --git a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/ShardManager.java b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/ShardManager.java
index e68628dbf5..136c6813ea 100644
--- a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/ShardManager.java
+++ b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/ShardManager.java
@@ -15,8 +15,6 @@ import akka.actor.OneForOneStrategy;
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;
@@ -24,6 +22,21 @@ import akka.persistence.RecoveryCompleted;
import akka.persistence.RecoveryFailure;
import com.google.common.annotations.VisibleForTesting;
import com.google.common.base.Preconditions;
+import com.google.common.base.Strings;
+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 java.util.concurrent.CountDownLatch;
+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;
@@ -39,19 +52,17 @@ import org.opendaylight.controller.cluster.datastore.messages.PeerAddressResolve
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.controller.cluster.notifications.RegisterRoleChangeListener;
+import org.opendaylight.controller.cluster.notifications.RoleChangeNotification;
+import org.opendaylight.controller.cluster.raft.RaftState;
+import org.opendaylight.controller.cluster.raft.base.messages.FollowerInitialSyncUpStatus;
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,
*
@@ -63,8 +74,7 @@ import java.util.Set;
*/
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
@@ -84,47 +94,66 @@ public class ShardManager extends AbstractUntypedPersistentActorWithMetering {
private final Configuration configuration;
- private ShardManagerInfoMBean mBean;
+ private final String shardDispatcherPath;
+
+ private ShardManagerInfo mBean;
+
+ private DatastoreContext datastoreContext;
- private final DatastoreContext datastoreContext;
+ private Collection knownModules = Collections.emptySet();
- private final Collection knownModules = new HashSet<>(128);
+ private final DataPersistenceProvider dataPersistenceProvider;
+
+ private final CountDownLatch waitTillReadyCountdownLatch;
/**
- * @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,
- DatastoreContext datastoreContext) {
+ protected ShardManager(ClusterWrapper cluster, Configuration configuration,
+ DatastoreContext datastoreContext, CountDownLatch waitTillReadyCountdownLatch) {
- 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);
+ this.waitTillReadyCountdownLatch = waitTillReadyCountdownLatch;
// 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,
+ public static Props props(
final ClusterWrapper cluster,
final Configuration configuration,
- final DatastoreContext datastoreContext) {
+ final DatastoreContext datastoreContext,
+ final CountDownLatch waitTillReadyCountdownLatch) {
- Preconditions.checkNotNull(type, "type should not be null");
Preconditions.checkNotNull(cluster, "cluster should not be null");
Preconditions.checkNotNull(configuration, "configuration should not be null");
+ Preconditions.checkNotNull(waitTillReadyCountdownLatch, "waitTillReadyCountdownLatch should not be null");
- return Props.create(new ShardManagerCreator(type, cluster, configuration, datastoreContext));
+ return Props.create(new ShardManagerCreator(cluster, configuration, datastoreContext, waitTillReadyCountdownLatch));
+ }
+
+ @Override
+ public void postStop() {
+ LOG.info("Stopping ShardManager");
+
+ mBean.unregisterMBean();
}
@Override
public void handleCommand(Object message) throws Exception {
- if (message.getClass().equals(FindPrimary.SERIALIZABLE_CLASS)) {
- findPrimary(
- FindPrimary.fromSerializable(message));
+ if (FindPrimary.SERIALIZABLE_CLASS.isInstance(message)) {
+ findPrimary(FindPrimary.fromSerializable(message));
} else if(message instanceof FindLocalShard){
findLocalShard((FindLocalShard) message);
} else if (message instanceof UpdateSchemaContext) {
@@ -137,12 +166,82 @@ public class ShardManager extends AbstractUntypedPersistentActorWithMetering {
memberRemoved((ClusterEvent.MemberRemoved) message);
} else if(message instanceof ClusterEvent.UnreachableMember) {
ignoreMessage(message);
+ } else if(message instanceof DatastoreContext) {
+ onDatastoreContext((DatastoreContext)message);
+ } else if(message instanceof RoleChangeNotification) {
+ onRoleChangeNotification((RoleChangeNotification) message);
+ } else if(message instanceof FollowerInitialSyncUpStatus){
+ onFollowerInitialSyncStatus((FollowerInitialSyncUpStatus) message);
} else{
unknownMessage(message);
}
}
+ private void onFollowerInitialSyncStatus(FollowerInitialSyncUpStatus status) {
+ LOG.info("Received follower initial sync status for {} status sync done {}", status.getName(),
+ status.isInitialSyncDone());
+
+ ShardInformation shardInformation = findShardInformation(status.getName());
+
+ if(shardInformation != null) {
+ shardInformation.setFollowerSyncStatus(status.isInitialSyncDone());
+
+ mBean.setSyncStatus(isInSync());
+ }
+
+ }
+
+ private void onRoleChangeNotification(RoleChangeNotification roleChanged) {
+ LOG.info("Received role changed for {} from {} to {}", roleChanged.getMemberId(),
+ roleChanged.getOldRole(), roleChanged.getNewRole());
+
+ ShardInformation shardInformation = findShardInformation(roleChanged.getMemberId());
+ if(shardInformation != null) {
+ shardInformation.setRole(roleChanged.getNewRole());
+
+ if (isReady()) {
+ LOG.info("All Shards are ready - data store {} is ready, available count is {}", type,
+ waitTillReadyCountdownLatch.getCount());
+
+ waitTillReadyCountdownLatch.countDown();
+ }
+
+ mBean.setSyncStatus(isInSync());
+ }
+ }
+
+
+ private ShardInformation findShardInformation(String memberId) {
+ for(ShardInformation info : localShards.values()){
+ if(info.getShardId().toString().equals(memberId)){
+ return info;
+ }
+ }
+
+ return null;
+ }
+
+ private boolean isReady() {
+ boolean isReady = true;
+ for (ShardInformation info : localShards.values()) {
+ if(RaftState.Candidate.name().equals(info.getRole()) || Strings.isNullOrEmpty(info.getRole())){
+ isReady = false;
+ break;
+ }
+ }
+ return isReady;
+ }
+
+ private boolean isInSync(){
+ for (ShardInformation info : localShards.values()) {
+ if(!info.isInSync()){
+ return false;
+ }
+ }
+ return true;
+ }
+
private void onActorInitialized(Object message) {
final ActorRef sender = getSender();
@@ -160,49 +259,75 @@ public class ShardManager extends AbstractUntypedPersistentActorWithMetering {
markShardAsInitialized(shardId.getShardName());
}
- @VisibleForTesting protected void markShardAsInitialized(String shardName) {
+ private void markShardAsInitialized(String shardName) {
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());
+ @Override
+ protected void handleRecover(Object message) throws Exception {
+ 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 except the last one
- deleteMessages(lastSequenceNr() - 1);
+ // 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, new LocalShardFound(shardInformation.getActor()));
+ sendResponse(shardInformation, message.isWaitUntilInitialized(), new Supplier