X-Git-Url: https://git.opendaylight.org/gerrit/gitweb?p=controller.git;a=blobdiff_plain;f=opendaylight%2Fmd-sal%2Fsal-distributed-datastore%2Fsrc%2Fmain%2Fjava%2Forg%2Fopendaylight%2Fcontroller%2Fcluster%2Fdatastore%2FDistributedDataStore.java;h=0bdb29b598a56e876b2acddfa2ee38186c482125;hp=107c959112fbc34398ae48b144752a8b28c99e41;hb=c796596b5c46b5203c30b143e6282662e66c5642;hpb=3997099eb61b0f2adc47f7a85952c324e9de223f diff --git a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/DistributedDataStore.java b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/DistributedDataStore.java index 107c959112..0bdb29b598 100644 --- a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/DistributedDataStore.java +++ b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/DistributedDataStore.java @@ -8,19 +8,40 @@ package org.opendaylight.controller.cluster.datastore; +import akka.actor.ActorRef; import akka.actor.ActorSystem; +import akka.actor.PoisonPill; +import akka.actor.Props; import com.google.common.annotations.VisibleForTesting; import com.google.common.base.Preconditions; +import com.google.common.base.Throwables; +import com.google.common.util.concurrent.Uninterruptibles; +import java.util.concurrent.CountDownLatch; +import java.util.concurrent.TimeUnit; +import org.opendaylight.controller.cluster.access.concepts.ClientIdentifier; +import org.opendaylight.controller.cluster.databroker.actors.dds.DistributedDataStoreClient; +import org.opendaylight.controller.cluster.databroker.actors.dds.DistributedDataStoreClientActor; +import org.opendaylight.controller.cluster.datastore.config.Configuration; import org.opendaylight.controller.cluster.datastore.identifiers.ShardManagerIdentifier; -import org.opendaylight.controller.cluster.datastore.shardstrategy.ShardStrategyFactory; +import org.opendaylight.controller.cluster.datastore.jmx.mbeans.DatastoreConfigurationMXBeanImpl; +import org.opendaylight.controller.cluster.datastore.jmx.mbeans.DatastoreInfoMXBeanImpl; +import org.opendaylight.controller.cluster.datastore.messages.DatastoreSnapshot; +import org.opendaylight.controller.cluster.datastore.shardmanager.ShardManagerCreator; import org.opendaylight.controller.cluster.datastore.utils.ActorContext; +import org.opendaylight.controller.cluster.datastore.utils.Dispatchers; +import org.opendaylight.controller.cluster.datastore.utils.PrimaryShardInfoFutureCache; 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.md.sal.dom.api.DOMDataTreeChangeListener; import org.opendaylight.controller.sal.core.spi.data.DOMStoreReadTransaction; import org.opendaylight.controller.sal.core.spi.data.DOMStoreReadWriteTransaction; import org.opendaylight.controller.sal.core.spi.data.DOMStoreTransactionChain; +import org.opendaylight.controller.sal.core.spi.data.DOMStoreTreeChangePublisher; import org.opendaylight.controller.sal.core.spi.data.DOMStoreWriteTransaction; +import org.opendaylight.mdsal.dom.api.DOMDataTreeCommitCohort; +import org.opendaylight.mdsal.dom.api.DOMDataTreeCommitCohortRegistration; +import org.opendaylight.mdsal.dom.api.DOMDataTreeCommitCohortRegistry; +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.data.api.schema.NormalizedNode; @@ -32,34 +53,95 @@ import org.slf4j.LoggerFactory; /** * */ -public class DistributedDataStore implements DOMStore, SchemaContextListener, AutoCloseable { +public class DistributedDataStore implements DistributedDataStoreInterface, SchemaContextListener, + DatastoreContextConfigAdminOverlay.Listener, DOMStoreTreeChangePublisher, DOMDataTreeCommitCohortRegistry, AutoCloseable { private static final Logger LOG = LoggerFactory.getLogger(DistributedDataStore.class); - public static final int REGISTER_DATA_CHANGE_LISTENER_TIMEOUT_FACTOR = 24; // 24 times the usual operation timeout + + private static final long READY_WAIT_FACTOR = 3; private final ActorContext actorContext; + private final long waitTillReadyTimeInMillis; + + private AutoCloseable closeable; + + private DatastoreConfigurationMXBeanImpl datastoreConfigMXBean; + + private DatastoreInfoMXBeanImpl datastoreInfoMXBean; + + private final CountDownLatch waitTillReadyCountDownLatch = new CountDownLatch(1); + + private final ClientIdentifier identifier; + private final DistributedDataStoreClient client; + + private final TransactionContextFactory txContextFactory; public DistributedDataStore(ActorSystem actorSystem, ClusterWrapper cluster, - Configuration configuration, DatastoreContext datastoreContext) { + Configuration configuration, DatastoreContextFactory datastoreContextFactory, + DatastoreSnapshot restoreFromSnapshot) { 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"); + Preconditions.checkNotNull(datastoreContextFactory, "datastoreContextFactory should not be null"); - String type = datastoreContext.getDataStoreType(); + final Props clientProps = DistributedDataStoreClientActor.props(cluster.getCurrentMemberName(), + datastoreContextFactory.getBaseDatastoreContext().getDataStoreName()); + final ActorRef clientActor = actorSystem.actorOf(clientProps); + try { + client = DistributedDataStoreClientActor.getDistributedDataStoreClient(clientActor, 30, TimeUnit.SECONDS); + } catch (Exception e) { + LOG.error("Failed to get actor for {}", clientProps, e); + clientActor.tell(PoisonPill.getInstance(), ActorRef.noSender()); + throw Throwables.propagate(e); + } - String shardManagerId = ShardManagerIdentifier.builder().type(type).build().toString(); + identifier = client.getIdentifier(); + LOG.debug("Distributed data store client {} started", identifier); + + String shardManagerId = ShardManagerIdentifier.builder() + .type(datastoreContextFactory.getBaseDatastoreContext().getDataStoreName()).build().toString(); LOG.info("Creating ShardManager : {}", shardManagerId); - actorContext = new ActorContext(actorSystem, actorSystem.actorOf( - ShardManager.props(cluster, configuration, datastoreContext) - .withMailbox(ActorContext.MAILBOX), shardManagerId ), - cluster, configuration, datastoreContext); + String shardDispatcher = + new Dispatchers(actorSystem.dispatchers()).getDispatcherPath(Dispatchers.DispatcherType.Shard); + + PrimaryShardInfoFutureCache primaryShardInfoCache = new PrimaryShardInfoFutureCache(); + + ShardManagerCreator creator = new ShardManagerCreator().cluster(cluster).configuration(configuration). + datastoreContextFactory(datastoreContextFactory).waitTillReadyCountdownLatch(waitTillReadyCountDownLatch). + primaryShardInfoCache(primaryShardInfoCache).restoreFromSnapshot(restoreFromSnapshot); + + actorContext = new ActorContext(actorSystem, createShardManager(actorSystem, creator, shardDispatcher, + shardManagerId), cluster, configuration, datastoreContextFactory.getBaseDatastoreContext(), primaryShardInfoCache); + + this.waitTillReadyTimeInMillis = + actorContext.getDatastoreContext().getShardLeaderElectionTimeout().duration().toMillis() * READY_WAIT_FACTOR; + + this.txContextFactory = new TransactionContextFactory(actorContext, identifier); + + datastoreConfigMXBean = new DatastoreConfigurationMXBeanImpl( + datastoreContextFactory.getBaseDatastoreContext().getDataStoreMXBeanType()); + datastoreConfigMXBean.setContext(datastoreContextFactory.getBaseDatastoreContext()); + datastoreConfigMXBean.registerMBean(); + + datastoreInfoMXBean = new DatastoreInfoMXBeanImpl(datastoreContextFactory.getBaseDatastoreContext(). + getDataStoreMXBeanType(), actorContext); + datastoreInfoMXBean.registerMBean(); } - public DistributedDataStore(ActorContext actorContext) { + @VisibleForTesting + DistributedDataStore(ActorContext actorContext, ClientIdentifier identifier) { this.actorContext = Preconditions.checkNotNull(actorContext, "actorContext should not be null"); + this.client = null; + this.identifier = Preconditions.checkNotNull(identifier); + this.txContextFactory = new TransactionContextFactory(actorContext, identifier); + this.waitTillReadyTimeInMillis = + actorContext.getDatastoreContext().getShardLeaderElectionTimeout().duration().toMillis() * READY_WAIT_FACTOR; + } + + public void setCloseable(AutoCloseable closeable) { + this.closeable = closeable; } @SuppressWarnings("unchecked") @@ -74,7 +156,7 @@ public class DistributedDataStore implements DOMStore, SchemaContextListener, Au LOG.debug("Registering listener: {} for path: {} scope: {}", listener, path, scope); - String shardName = ShardStrategyFactory.getStrategy(path).findShard(path); + String shardName = actorContext.getShardStrategyFactory().getStrategy(path).findShard(path); final DataChangeListenerRegistrationProxy listenerRegistrationProxy = new DataChangeListenerRegistrationProxy(shardName, actorContext, listener); @@ -83,26 +165,58 @@ public class DistributedDataStore implements DOMStore, SchemaContextListener, Au return listenerRegistrationProxy; } + @Override + public ListenerRegistration registerTreeChangeListener(YangInstanceIdentifier treeId, L listener) { + Preconditions.checkNotNull(treeId, "treeId should not be null"); + Preconditions.checkNotNull(listener, "listener should not be null"); + + final String shardName = actorContext.getShardStrategyFactory().getStrategy(treeId).findShard(treeId); + LOG.debug("Registering tree listener: {} for tree: {} shard: {}", listener, treeId, shardName); + + final DataTreeChangeListenerProxy listenerRegistrationProxy = + new DataTreeChangeListenerProxy(actorContext, listener); + listenerRegistrationProxy.init(shardName, treeId); + + return listenerRegistrationProxy; + } + + + @Override + public DOMDataTreeCommitCohortRegistration registerCommitCohort( + DOMDataTreeIdentifier subtree, C cohort) { + YangInstanceIdentifier treeId = + Preconditions.checkNotNull(subtree, "subtree should not be null").getRootIdentifier(); + Preconditions.checkNotNull(cohort, "listener should not be null"); + + + final String shardName = actorContext.getShardStrategyFactory().getStrategy(treeId).findShard(treeId); + LOG.debug("Registering cohort: {} for tree: {} shard: {}", cohort, treeId, shardName); + + DataTreeCohortRegistrationProxy cohortProxy = new DataTreeCohortRegistrationProxy(actorContext, subtree, cohort); + cohortProxy.init(shardName); + return cohortProxy; + } + @Override public DOMStoreTransactionChain createTransactionChain() { - return new TransactionChainProxy(actorContext); + return txContextFactory.createTransactionChain(); } @Override public DOMStoreReadTransaction newReadOnlyTransaction() { - return new TransactionProxy(actorContext, TransactionProxy.TransactionType.READ_ONLY); + return new TransactionProxy(txContextFactory, TransactionType.READ_ONLY); } @Override public DOMStoreWriteTransaction newWriteOnlyTransaction() { actorContext.acquireTxCreationPermit(); - return new TransactionProxy(actorContext, TransactionProxy.TransactionType.WRITE_ONLY); + return new TransactionProxy(txContextFactory, TransactionType.WRITE_ONLY); } @Override public DOMStoreReadWriteTransaction newReadWriteTransaction() { actorContext.acquireTxCreationPermit(); - return new TransactionProxy(actorContext, TransactionProxy.TransactionType.READ_WRITE); + return new TransactionProxy(txContextFactory, TransactionType.READ_WRITE); } @Override @@ -111,12 +225,80 @@ public class DistributedDataStore implements DOMStore, SchemaContextListener, Au } @Override - public void close() throws Exception { + public void onDatastoreContextUpdated(DatastoreContextFactory contextFactory) { + LOG.info("DatastoreContext updated for data store {}", actorContext.getDataStoreName()); + + actorContext.setDatastoreContext(contextFactory); + datastoreConfigMXBean.setContext(contextFactory.getBaseDatastoreContext()); + } + + @Override + public void close() { + LOG.info("Closing data store {}", identifier); + + if (datastoreConfigMXBean != null) { + datastoreConfigMXBean.unregisterMBean(); + } + if (datastoreInfoMXBean != null) { + datastoreInfoMXBean.unregisterMBean(); + } + + if (closeable != null) { + try { + closeable.close(); + } catch (Exception e) { + LOG.debug("Error closing instance", e); + } + } + + txContextFactory.close(); actorContext.shutdown(); + + if (client != null) { + client.close(); + } } - @VisibleForTesting - ActorContext getActorContext() { + @Override + public ActorContext getActorContext() { return actorContext; } + + public void waitTillReady(){ + LOG.info("Beginning to wait for data store to become ready : {}", identifier); + + try { + if (waitTillReadyCountDownLatch.await(waitTillReadyTimeInMillis, TimeUnit.MILLISECONDS)) { + LOG.debug("Data store {} is now ready", identifier); + } 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); + } + } + + private static ActorRef createShardManager(ActorSystem actorSystem, ShardManagerCreator creator, + String shardDispatcher, String shardManagerId) { + Exception lastException = null; + + for(int i=0;i<100;i++) { + try { + return actorSystem.actorOf(creator.props().withDispatcher(shardDispatcher).withMailbox( + ActorContext.BOUNDED_MAILBOX), shardManagerId); + } catch (Exception e){ + lastException = e; + Uninterruptibles.sleepUninterruptibly(100, TimeUnit.MILLISECONDS); + LOG.debug("Could not create actor {} because of {} - waiting for sometime before retrying (retry count = {})", + shardManagerId, e.getMessage(), i); + } + } + + throw new IllegalStateException("Failed to create Shard Manager", lastException); + } + + @VisibleForTesting + public CountDownLatch getWaitTillReadyCountDownLatch() { + return waitTillReadyCountDownLatch; + } }