import akka.actor.ActorSystem;
import akka.actor.PoisonPill;
import com.google.common.base.Optional;
+import com.google.common.util.concurrent.CheckedFuture;
import com.google.common.util.concurrent.Uninterruptibles;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import org.junit.Test;
+import org.opendaylight.controller.cluster.datastore.exceptions.NoShardLeaderException;
+import org.opendaylight.controller.cluster.datastore.exceptions.NotInitializedException;
import org.opendaylight.controller.cluster.datastore.shardstrategy.ShardStrategyFactory;
+import org.opendaylight.controller.cluster.datastore.utils.InMemoryJournal;
import org.opendaylight.controller.cluster.datastore.utils.MockClusterWrapper;
import org.opendaylight.controller.cluster.datastore.utils.MockDataChangeListener;
import org.opendaylight.controller.md.cluster.datastore.model.CarsModel;
import org.opendaylight.controller.md.cluster.datastore.model.SchemaContextHelper;
import org.opendaylight.controller.md.cluster.datastore.model.TestModel;
import org.opendaylight.controller.md.sal.common.api.data.AsyncDataBroker.DataChangeScope;
+import org.opendaylight.controller.md.sal.common.api.data.ReadFailedException;
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.DOMStoreThreePhaseCommitCohort;
import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
import org.opendaylight.yangtools.yang.data.impl.schema.ImmutableNodes;
import org.opendaylight.yangtools.yang.model.api.SchemaContext;
+import java.util.concurrent.CountDownLatch;
+import java.util.concurrent.ExecutionException;
import java.util.concurrent.TimeUnit;
+import java.util.concurrent.atomic.AtomicReference;
public class DistributedDataStoreIntegrationTest extends AbstractActorTest {
+ private final DatastoreContext.Builder datastoreContextBuilder =
+ DatastoreContext.newBuilder().shardHeartbeatIntervalInMillis(100);
+
@Test
public void testWriteTransactionWithSingleShard() throws Exception{
System.setProperty("shard.persistent", "true");
cohort.preCommit().get(5, TimeUnit.SECONDS);
cohort.commit().get(5, TimeUnit.SECONDS);
- // 5. Verify the data in the store
+ // Verify the data in the store
DOMStoreReadTransaction readTx = dataStore.newReadOnlyTransaction();
DistributedDataStore dataStore =
setupDistributedDataStore("testReadWriteTransaction", "test-1");
- // 1. Create a read-write Tx
+ // 1. Create a read-write Tx
DOMStoreReadWriteTransaction readWriteTx = dataStore.newReadWriteTransaction();
assertNotNull("newReadWriteTransaction returned null", readWriteTx);
}};
}
+ @Test
+ public void testTransactionWritesWithShardNotInitiallyReady() throws Exception{
+ new IntegrationTestKit(getSystem()) {{
+ String testName = "testTransactionWritesWithShardNotInitiallyReady";
+ String shardName = "test-1";
+
+ // Setup the InMemoryJournal to block shard recovery to ensure the shard isn't
+ // initialized until we create and submit the write the Tx.
+ String persistentID = String.format("member-1-shard-%s-%s", shardName, testName);
+ CountDownLatch blockRecoveryLatch = new CountDownLatch(1);
+ InMemoryJournal.addBlockReadMessagesLatch(persistentID, blockRecoveryLatch);
+
+ DistributedDataStore dataStore = setupDistributedDataStore(testName, false, shardName);
+
+ // Create the write Tx
+
+ final DOMStoreWriteTransaction writeTx = dataStore.newWriteOnlyTransaction();
+ assertNotNull("newReadWriteTransaction returned null", writeTx);
+
+ // Do some modification operations and ready the Tx on a separate thread.
+
+ final YangInstanceIdentifier listEntryPath = YangInstanceIdentifier.builder(
+ TestModel.OUTER_LIST_PATH).nodeWithKey(TestModel.OUTER_LIST_QNAME,
+ TestModel.ID_QNAME, 1).build();
+
+ final AtomicReference<DOMStoreThreePhaseCommitCohort> txCohort = new AtomicReference<>();
+ final AtomicReference<Exception> caughtEx = new AtomicReference<>();
+ final CountDownLatch txReady = new CountDownLatch(1);
+ Thread txThread = new Thread() {
+ @Override
+ public void run() {
+ try {
+ writeTx.write(TestModel.TEST_PATH,
+ ImmutableNodes.containerNode(TestModel.TEST_QNAME));
+
+ writeTx.merge(TestModel.OUTER_LIST_PATH, ImmutableNodes.mapNodeBuilder(
+ TestModel.OUTER_LIST_QNAME).build());
+
+ writeTx.write(listEntryPath, ImmutableNodes.mapEntry(
+ TestModel.OUTER_LIST_QNAME, TestModel.ID_QNAME, 1));
+
+ writeTx.delete(listEntryPath);
+
+ txCohort.set(writeTx.ready());
+ } catch(Exception e) {
+ caughtEx.set(e);
+ return;
+ } finally {
+ txReady.countDown();
+ }
+ }
+ };
+
+ txThread.start();
+
+ // Wait for the Tx operations to complete.
+
+ boolean done = Uninterruptibles.awaitUninterruptibly(txReady, 5, TimeUnit.SECONDS);
+ if(caughtEx.get() != null) {
+ throw caughtEx.get();
+ }
+
+ assertEquals("Tx ready", true, done);
+
+ // At this point the Tx operations should be waiting for the shard to initialize so
+ // trigger the latch to let the shard recovery to continue.
+
+ blockRecoveryLatch.countDown();
+
+ // Wait for the Tx commit to complete.
+
+ assertEquals("canCommit", true, txCohort.get().canCommit().get(5, TimeUnit.SECONDS));
+ txCohort.get().preCommit().get(5, TimeUnit.SECONDS);
+ txCohort.get().commit().get(5, TimeUnit.SECONDS);
+
+ // Verify the data in the store
+
+ DOMStoreReadTransaction readTx = dataStore.newReadOnlyTransaction();
+
+ Optional<NormalizedNode<?, ?>> optional = readTx.read(TestModel.TEST_PATH).
+ get(5, TimeUnit.SECONDS);
+ assertEquals("isPresent", true, optional.isPresent());
+
+ optional = readTx.read(TestModel.OUTER_LIST_PATH).get(5, TimeUnit.SECONDS);
+ assertEquals("isPresent", true, optional.isPresent());
+
+ optional = readTx.read(listEntryPath).get(5, TimeUnit.SECONDS);
+ assertEquals("isPresent", false, optional.isPresent());
+
+ cleanup(dataStore);
+ }};
+ }
+
+ @Test
+ public void testTransactionReadsWithShardNotInitiallyReady() throws Exception{
+ new IntegrationTestKit(getSystem()) {{
+ String testName = "testTransactionReadsWithShardNotInitiallyReady";
+ String shardName = "test-1";
+
+ // Setup the InMemoryJournal to block shard recovery to ensure the shard isn't
+ // initialized until we create the Tx.
+ String persistentID = String.format("member-1-shard-%s-%s", shardName, testName);
+ CountDownLatch blockRecoveryLatch = new CountDownLatch(1);
+ InMemoryJournal.addBlockReadMessagesLatch(persistentID, blockRecoveryLatch);
+
+ DistributedDataStore dataStore = setupDistributedDataStore(testName, false, shardName);
+
+ // Create the read-write Tx
+
+ final DOMStoreReadWriteTransaction readWriteTx = dataStore.newReadWriteTransaction();
+ assertNotNull("newReadWriteTransaction returned null", readWriteTx);
+
+ // Do some reads on the Tx on a separate thread.
+
+ final AtomicReference<CheckedFuture<Boolean, ReadFailedException>> txExistsFuture =
+ new AtomicReference<>();
+ final AtomicReference<CheckedFuture<Optional<NormalizedNode<?, ?>>, ReadFailedException>>
+ txReadFuture = new AtomicReference<>();
+ final AtomicReference<Exception> caughtEx = new AtomicReference<>();
+ final CountDownLatch txReadsDone = new CountDownLatch(1);
+ Thread txThread = new Thread() {
+ @Override
+ public void run() {
+ try {
+ readWriteTx.write(TestModel.TEST_PATH,
+ ImmutableNodes.containerNode(TestModel.TEST_QNAME));
+
+ txExistsFuture.set(readWriteTx.exists(TestModel.TEST_PATH));
+
+ txReadFuture.set(readWriteTx.read(TestModel.TEST_PATH));
+ } catch(Exception e) {
+ caughtEx.set(e);
+ return;
+ } finally {
+ txReadsDone.countDown();
+ }
+ }
+ };
+
+ txThread.start();
+
+ // Wait for the Tx operations to complete.
+
+ boolean done = Uninterruptibles.awaitUninterruptibly(txReadsDone, 5, TimeUnit.SECONDS);
+ if(caughtEx.get() != null) {
+ throw caughtEx.get();
+ }
+
+ assertEquals("Tx reads done", true, done);
+
+ // At this point the Tx operations should be waiting for the shard to initialize so
+ // trigger the latch to let the shard recovery to continue.
+
+ blockRecoveryLatch.countDown();
+
+ // Wait for the reads to complete and verify.
+
+ assertEquals("exists", true, txExistsFuture.get().checkedGet(5, TimeUnit.SECONDS));
+ assertEquals("read", true, txReadFuture.get().checkedGet(5, TimeUnit.SECONDS).isPresent());
+
+ readWriteTx.close();
+
+ cleanup(dataStore);
+ }};
+ }
+
+ @Test(expected=NotInitializedException.class)
+ public void testTransactionCommitFailureWithShardNotInitialized() throws Throwable{
+ new IntegrationTestKit(getSystem()) {{
+ String testName = "testTransactionCommitFailureWithShardNotInitialized";
+ String shardName = "test-1";
+
+ // Set the shard initialization timeout low for the test.
+
+ datastoreContextBuilder.shardInitializationTimeout(300, TimeUnit.MILLISECONDS);
+
+ // Setup the InMemoryJournal to block shard recovery indefinitely.
+
+ String persistentID = String.format("member-1-shard-%s-%s", shardName, testName);
+ CountDownLatch blockRecoveryLatch = new CountDownLatch(1);
+ InMemoryJournal.addBlockReadMessagesLatch(persistentID, blockRecoveryLatch);
+
+ DistributedDataStore dataStore = setupDistributedDataStore(testName, false, shardName);
+
+ // Create the write Tx
+
+ final DOMStoreWriteTransaction writeTx = dataStore.newWriteOnlyTransaction();
+ assertNotNull("newReadWriteTransaction returned null", writeTx);
+
+ // Do some modifications and ready the Tx on a separate thread.
+
+ final AtomicReference<DOMStoreThreePhaseCommitCohort> txCohort = new AtomicReference<>();
+ final AtomicReference<Exception> caughtEx = new AtomicReference<>();
+ final CountDownLatch txReady = new CountDownLatch(1);
+ Thread txThread = new Thread() {
+ @Override
+ public void run() {
+ try {
+ writeTx.write(TestModel.TEST_PATH,
+ ImmutableNodes.containerNode(TestModel.TEST_QNAME));
+
+ txCohort.set(writeTx.ready());
+ } catch(Exception e) {
+ caughtEx.set(e);
+ return;
+ } finally {
+ txReady.countDown();
+ }
+ }
+ };
+
+ txThread.start();
+
+ // Wait for the Tx operations to complete.
+
+ boolean done = Uninterruptibles.awaitUninterruptibly(txReady, 5, TimeUnit.SECONDS);
+ if(caughtEx.get() != null) {
+ throw caughtEx.get();
+ }
+
+ assertEquals("Tx ready", true, done);
+
+ // Wait for the commit to complete. Since the shard never initialized, the Tx should
+ // have timed out and throw an appropriate exception cause.
+
+ try {
+ txCohort.get().canCommit().get(5, TimeUnit.SECONDS);
+ } catch(ExecutionException e) {
+ throw e.getCause();
+ } finally {
+ blockRecoveryLatch.countDown();
+ cleanup(dataStore);
+ }
+ }};
+ }
+
+ @Test(expected=NotInitializedException.class)
+ public void testTransactionReadFailureWithShardNotInitialized() throws Throwable{
+ new IntegrationTestKit(getSystem()) {{
+ String testName = "testTransactionReadFailureWithShardNotInitialized";
+ String shardName = "test-1";
+
+ // Set the shard initialization timeout low for the test.
+
+ datastoreContextBuilder.shardInitializationTimeout(300, TimeUnit.MILLISECONDS);
+
+ // Setup the InMemoryJournal to block shard recovery indefinitely.
+
+ String persistentID = String.format("member-1-shard-%s-%s", shardName, testName);
+ CountDownLatch blockRecoveryLatch = new CountDownLatch(1);
+ InMemoryJournal.addBlockReadMessagesLatch(persistentID, blockRecoveryLatch);
+
+ DistributedDataStore dataStore = setupDistributedDataStore(testName, false, shardName);
+
+ // Create the read-write Tx
+
+ final DOMStoreReadWriteTransaction readWriteTx = dataStore.newReadWriteTransaction();
+ assertNotNull("newReadWriteTransaction returned null", readWriteTx);
+
+ // Do a read on the Tx on a separate thread.
+
+ final AtomicReference<CheckedFuture<Optional<NormalizedNode<?, ?>>, ReadFailedException>>
+ txReadFuture = new AtomicReference<>();
+ final AtomicReference<Exception> caughtEx = new AtomicReference<>();
+ final CountDownLatch txReadDone = new CountDownLatch(1);
+ Thread txThread = new Thread() {
+ @Override
+ public void run() {
+ try {
+ readWriteTx.write(TestModel.TEST_PATH,
+ ImmutableNodes.containerNode(TestModel.TEST_QNAME));
+
+ txReadFuture.set(readWriteTx.read(TestModel.TEST_PATH));
+
+ readWriteTx.close();
+ } catch(Exception e) {
+ caughtEx.set(e);
+ return;
+ } finally {
+ txReadDone.countDown();
+ }
+ }
+ };
+
+ txThread.start();
+
+ // Wait for the Tx operations to complete.
+
+ boolean done = Uninterruptibles.awaitUninterruptibly(txReadDone, 5, TimeUnit.SECONDS);
+ if(caughtEx.get() != null) {
+ throw caughtEx.get();
+ }
+
+ assertEquals("Tx read done", true, done);
+
+ // Wait for the read to complete. Since the shard never initialized, the Tx should
+ // have timed out and throw an appropriate exception cause.
+
+ try {
+ txReadFuture.get().checkedGet(5, TimeUnit.SECONDS);
+ } catch(ReadFailedException e) {
+ throw e.getCause();
+ } finally {
+ blockRecoveryLatch.countDown();
+ cleanup(dataStore);
+ }
+ }};
+ }
+
+ @Test(expected=NoShardLeaderException.class)
+ public void testTransactionCommitFailureWithNoShardLeader() throws Throwable{
+ new IntegrationTestKit(getSystem()) {{
+ String testName = "testTransactionCommitFailureWithNoShardLeader";
+ String shardName = "test-1";
+
+ // We don't want the shard to become the leader so prevent shard election from completing
+ // by setting the election timeout, which is based on the heartbeat interval, really high.
+
+ datastoreContextBuilder.shardHeartbeatIntervalInMillis(30000);
+
+ // Set the leader election timeout low for the test.
+
+ datastoreContextBuilder.shardLeaderElectionTimeout(1, TimeUnit.MILLISECONDS);
+
+ DistributedDataStore dataStore = setupDistributedDataStore(testName, false, shardName);
+
+ // Create the write Tx.
+
+ final DOMStoreWriteTransaction writeTx = dataStore.newWriteOnlyTransaction();
+ assertNotNull("newReadWriteTransaction returned null", writeTx);
+
+ // Do some modifications and ready the Tx on a separate thread.
+
+ final AtomicReference<DOMStoreThreePhaseCommitCohort> txCohort = new AtomicReference<>();
+ final AtomicReference<Exception> caughtEx = new AtomicReference<>();
+ final CountDownLatch txReady = new CountDownLatch(1);
+ Thread txThread = new Thread() {
+ @Override
+ public void run() {
+ try {
+ writeTx.write(TestModel.TEST_PATH,
+ ImmutableNodes.containerNode(TestModel.TEST_QNAME));
+
+ txCohort.set(writeTx.ready());
+ } catch(Exception e) {
+ caughtEx.set(e);
+ return;
+ } finally {
+ txReady.countDown();
+ }
+ }
+ };
+
+ txThread.start();
+
+ // Wait for the Tx operations to complete.
+
+ boolean done = Uninterruptibles.awaitUninterruptibly(txReady, 5, TimeUnit.SECONDS);
+ if(caughtEx.get() != null) {
+ throw caughtEx.get();
+ }
+
+ assertEquals("Tx ready", true, done);
+
+ // Wait for the commit to complete. Since no shard leader was elected in time, the Tx
+ // should have timed out and throw an appropriate exception cause.
+
+ try {
+ txCohort.get().canCommit().get(5, TimeUnit.SECONDS);
+ } catch(ExecutionException e) {
+ throw e.getCause();
+ } finally {
+ cleanup(dataStore);
+ }
+ }};
+ }
+
@Test
public void testTransactionAbort() throws Exception{
System.setProperty("shard.persistent", "true");
}
DistributedDataStore setupDistributedDataStore(String typeName, String... shardNames) {
+ return setupDistributedDataStore(typeName, true, shardNames);
+ }
+
+ DistributedDataStore setupDistributedDataStore(String typeName, boolean waitUntilLeader,
+ String... shardNames) {
MockClusterWrapper cluster = new MockClusterWrapper();
Configuration config = new ConfigurationImpl("module-shards.conf", "modules.conf");
ShardStrategyFactory.setConfiguration(config);
- DatastoreContext datastoreContext = DatastoreContext.newBuilder().build();
+ DatastoreContext datastoreContext = datastoreContextBuilder.build();
DistributedDataStore dataStore = new DistributedDataStore(getSystem(), typeName, cluster,
config, datastoreContext);
SchemaContext schemaContext = SchemaContextHelper.full();
dataStore.onGlobalContextUpdated(schemaContext);
- for(String shardName: shardNames) {
- ActorRef shard = null;
- for(int i = 0; i < 20 * 5 && shard == null; i++) {
- Uninterruptibles.sleepUninterruptibly(50, TimeUnit.MILLISECONDS);
- Optional<ActorRef> shardReply = dataStore.getActorContext().findLocalShard(shardName);
- if(shardReply.isPresent()) {
- shard = shardReply.get();
+ if(waitUntilLeader) {
+ for(String shardName: shardNames) {
+ ActorRef shard = null;
+ for(int i = 0; i < 20 * 5 && shard == null; i++) {
+ Uninterruptibles.sleepUninterruptibly(50, TimeUnit.MILLISECONDS);
+ Optional<ActorRef> shardReply = dataStore.getActorContext().findLocalShard(shardName);
+ if(shardReply.isPresent()) {
+ shard = shardReply.get();
+ }
}
- }
- assertNotNull("Shard was not created", shard);
+ assertNotNull("Shard was not created", shard);
- System.out.println("!!!!!!shard: "+shard.path().toString());
- waitUntilLeader(shard);
+ waitUntilLeader(shard);
+ }
}
return dataStore;
Code Review / controller.git / blobdiff