package org.opendaylight.controller.cluster.datastore;
-import akka.actor.ActorRef;
-import akka.actor.ActorSelection;
import akka.actor.ActorSystem;
-import akka.util.Timeout;
-import org.opendaylight.controller.cluster.datastore.messages.FindPrimary;
-import org.opendaylight.controller.cluster.datastore.messages.PrimaryFound;
-import org.opendaylight.controller.cluster.datastore.messages.RegisterChangeListener;
-import org.opendaylight.controller.cluster.datastore.messages.RegisterChangeListenerReply;
-import org.opendaylight.controller.cluster.datastore.messages.UpdateSchemaContext;
+import com.google.common.annotations.VisibleForTesting;
+import com.google.common.base.Preconditions;
+import java.util.concurrent.CountDownLatch;
+import java.util.concurrent.TimeUnit;
+import org.opendaylight.controller.cluster.datastore.identifiers.ShardManagerIdentifier;
+import org.opendaylight.controller.cluster.datastore.jmx.mbeans.DatastoreConfigurationMXBeanImpl;
+import org.opendaylight.controller.cluster.datastore.jmx.mbeans.DatastoreInfoMXBeanImpl;
+import org.opendaylight.controller.cluster.datastore.shardstrategy.ShardStrategyFactory;
+import org.opendaylight.controller.cluster.datastore.utils.ActorContext;
+import org.opendaylight.controller.cluster.datastore.utils.Dispatchers;
import org.opendaylight.controller.md.sal.common.api.data.AsyncDataBroker;
import org.opendaylight.controller.md.sal.common.api.data.AsyncDataChangeListener;
import org.opendaylight.controller.sal.core.spi.data.DOMStore;
import org.opendaylight.controller.sal.core.spi.data.DOMStoreTransactionChain;
import org.opendaylight.controller.sal.core.spi.data.DOMStoreWriteTransaction;
import org.opendaylight.yangtools.concepts.ListenerRegistration;
-import org.opendaylight.yangtools.yang.data.api.InstanceIdentifier;
+import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
import org.opendaylight.yangtools.yang.model.api.SchemaContext;
import org.opendaylight.yangtools.yang.model.api.SchemaContextListener;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
-import scala.concurrent.Await;
-import scala.concurrent.Future;
-import scala.concurrent.duration.Duration;
-import scala.concurrent.duration.FiniteDuration;
-
-import java.util.concurrent.TimeUnit;
-
-import static akka.pattern.Patterns.ask;
/**
*
*/
-public class DistributedDataStore implements DOMStore, SchemaContextListener {
+public class DistributedDataStore implements DOMStore, SchemaContextListener,
+ DatastoreContextConfigAdminOverlay.Listener, AutoCloseable {
+
+ private static final Logger LOG = LoggerFactory.getLogger(DistributedDataStore.class);
+ private static final String UNKNOWN_TYPE = "unknown";
+
+ private static final long READY_WAIT_FACTOR = 3;
- private static final Logger
- LOG = LoggerFactory.getLogger(DistributedDataStore.class);
+ private final ActorContext actorContext;
+ private final long waitTillReadyTimeInMillis;
- final FiniteDuration ASK_DURATION = Duration.create(5, TimeUnit.SECONDS);
- final Duration AWAIT_DURATION = Duration.create(5, TimeUnit.SECONDS);
- private final ActorRef shardManager;
- private final ActorSystem actorSystem;
+ private AutoCloseable closeable;
+
+ private DatastoreConfigurationMXBeanImpl datastoreConfigMXBean;
+
+ private DatastoreInfoMXBeanImpl datastoreInfoMXBean;
+
+ private final CountDownLatch waitTillReadyCountDownLatch = new CountDownLatch(1);
+
private final String type;
+ public DistributedDataStore(ActorSystem actorSystem, ClusterWrapper cluster,
+ Configuration configuration, DatastoreContext datastoreContext) {
+ Preconditions.checkNotNull(actorSystem, "actorSystem should not be null");
+ Preconditions.checkNotNull(cluster, "cluster should not be null");
+ Preconditions.checkNotNull(configuration, "configuration should not be null");
+ Preconditions.checkNotNull(datastoreContext, "datastoreContext should not be null");
- public DistributedDataStore(ActorSystem actorSystem, String type) {
- this.actorSystem = actorSystem;
- this.type = type;
- shardManager = actorSystem.actorOf(ShardManager.props(type));
- }
+ this.type = datastoreContext.getDataStoreType();
- @Override
- public <L extends AsyncDataChangeListener<InstanceIdentifier, NormalizedNode<?, ?>>> ListenerRegistration<L> registerChangeListener(
- InstanceIdentifier path, L listener,
- AsyncDataBroker.DataChangeScope scope) {
+ String shardManagerId = ShardManagerIdentifier.builder().type(type).build().toString();
- ActorSelection primary = findPrimary();
+ LOG.info("Creating ShardManager : {}", shardManagerId);
- ActorRef dataChangeListenerActor = actorSystem.actorOf(DataChangeListener.props());
+ String shardDispatcher =
+ new Dispatchers(actorSystem.dispatchers()).getDispatcherPath(Dispatchers.DispatcherType.Shard);
- Object result =
- getResult(primary, new RegisterChangeListener(path, dataChangeListenerActor.path(),
- AsyncDataBroker.DataChangeScope.BASE), ASK_DURATION);
+ actorContext = new ActorContext(actorSystem, actorSystem.actorOf(
+ ShardManager.props(cluster, configuration, datastoreContext, waitTillReadyCountDownLatch)
+ .withDispatcher(shardDispatcher).withMailbox(ActorContext.MAILBOX), shardManagerId ),
+ cluster, configuration, datastoreContext);
- RegisterChangeListenerReply reply = (RegisterChangeListenerReply) result;
- return new ListenerRegistrationProxy(reply.getListenerRegistrationPath());
- }
+ this.waitTillReadyTimeInMillis =
+ actorContext.getDatastoreContext().getShardLeaderElectionTimeout().duration().toMillis() * READY_WAIT_FACTOR;
- private ActorSelection findPrimary() {
- Object result = getResult(shardManager, new FindPrimary(Shard.DEFAULT_NAME), ASK_DURATION);
- if(result instanceof PrimaryFound){
- PrimaryFound found = (PrimaryFound) result;
- LOG.error("Primary found {}", found.getPrimaryPath());
+ datastoreConfigMXBean = new DatastoreConfigurationMXBeanImpl(datastoreContext.getDataStoreMXBeanType());
+ datastoreConfigMXBean.setContext(datastoreContext);
+ datastoreConfigMXBean.registerMBean();
- return actorSystem.actorSelection(found.getPrimaryPath());
- }
- throw new RuntimeException("primary was not found");
+ datastoreInfoMXBean = new DatastoreInfoMXBeanImpl(datastoreContext.getDataStoreMXBeanType(), actorContext);
+ datastoreInfoMXBean.registerMBean();
}
- private Object getResult(ActorRef actor, Object message, FiniteDuration duration){
- Future<Object> future =
- ask(actor, message, new Timeout(duration));
+ public DistributedDataStore(ActorContext actorContext) {
+ this.actorContext = Preconditions.checkNotNull(actorContext, "actorContext should not be null");
+ this.type = UNKNOWN_TYPE;
+ this.waitTillReadyTimeInMillis =
+ actorContext.getDatastoreContext().getShardLeaderElectionTimeout().duration().toMillis() * READY_WAIT_FACTOR;
- try {
- return Await.result(future, AWAIT_DURATION);
- } catch (Exception e) {
- throw new RuntimeException(e);
- }
}
- private Object getResult(ActorSelection actor, Object message, FiniteDuration duration){
- Future<Object> future =
- ask(actor, message, new Timeout(duration));
-
- try {
- return Await.result(future, AWAIT_DURATION);
- } catch (Exception e) {
- throw new RuntimeException(e);
- }
+ public void setCloseable(AutoCloseable closeable) {
+ this.closeable = closeable;
}
+ @SuppressWarnings("unchecked")
+ @Override
+ public <L extends AsyncDataChangeListener<YangInstanceIdentifier, NormalizedNode<?, ?>>>
+ ListenerRegistration<L> registerChangeListener(
+ final YangInstanceIdentifier path, L listener,
+ AsyncDataBroker.DataChangeScope scope) {
+
+ Preconditions.checkNotNull(path, "path should not be null");
+ Preconditions.checkNotNull(listener, "listener should not be null");
+
+ LOG.debug("Registering listener: {} for path: {} scope: {}", listener, path, scope);
+
+ String shardName = ShardStrategyFactory.getStrategy(path).findShard(path);
+
+ final DataChangeListenerRegistrationProxy listenerRegistrationProxy =
+ new DataChangeListenerRegistrationProxy(shardName, actorContext, listener);
+ listenerRegistrationProxy.init(path, scope);
+
+ return listenerRegistrationProxy;
+ }
@Override
public DOMStoreTransactionChain createTransactionChain() {
- return new TransactionChainProxy();
+ return new TransactionChainProxy(actorContext);
}
@Override
public DOMStoreReadTransaction newReadOnlyTransaction() {
- return new TransactionProxy();
+ return new TransactionProxy(actorContext, TransactionProxy.TransactionType.READ_ONLY);
}
@Override
public DOMStoreWriteTransaction newWriteOnlyTransaction() {
- return new TransactionProxy();
+ actorContext.acquireTxCreationPermit();
+ return new TransactionProxy(actorContext, TransactionProxy.TransactionType.WRITE_ONLY);
}
@Override
public DOMStoreReadWriteTransaction newReadWriteTransaction() {
- return new TransactionProxy();
+ actorContext.acquireTxCreationPermit();
+ return new TransactionProxy(actorContext, TransactionProxy.TransactionType.READ_WRITE);
+ }
+
+ @Override
+ public void onGlobalContextUpdated(SchemaContext schemaContext) {
+ actorContext.setSchemaContext(schemaContext);
+ }
+
+ @Override
+ public void onDatastoreContextUpdated(DatastoreContext context) {
+ LOG.info("DatastoreContext updated for data store {}", actorContext.getDataStoreType());
+
+ actorContext.setDatastoreContext(context);
+ datastoreConfigMXBean.setContext(context);
+ }
+
+ @Override
+ public void close() {
+ datastoreConfigMXBean.unregisterMBean();
+ datastoreInfoMXBean.unregisterMBean();
+
+ if(closeable != null) {
+ try {
+ closeable.close();
+ } catch (Exception e) {
+ LOG.debug("Error closing insance", e);
+ }
+ }
+
+ actorContext.shutdown();
+ }
+
+ @VisibleForTesting
+ ActorContext getActorContext() {
+ return actorContext;
+ }
+
+ public void waitTillReady(){
+ LOG.info("Beginning to wait for data store to become ready : {}", type);
+
+ try {
+ if (waitTillReadyCountDownLatch.await(waitTillReadyTimeInMillis, TimeUnit.MILLISECONDS)) {
+ LOG.debug("Data store {} is now ready", type);
+ } else {
+ LOG.error("Shared leaders failed to settle in {} seconds, giving up", TimeUnit.MILLISECONDS.toSeconds(waitTillReadyTimeInMillis));
+ }
+ } catch (InterruptedException e) {
+ LOG.error("Interrupted while waiting for shards to settle", e);
+ }
}
- @Override public void onGlobalContextUpdated(SchemaContext schemaContext) {
- shardManager.tell(new UpdateSchemaContext(schemaContext), null);
+ @VisibleForTesting
+ public CountDownLatch getWaitTillReadyCountDownLatch() {
+ return waitTillReadyCountDownLatch;
}
}
Code Review / controller.git / blobdiff