2 * Copyright (c) 2015, 2017 Brocade Communications Systems, Inc. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
8 package org.opendaylight.controller.cluster.datastore;
10 import static org.junit.Assert.assertEquals;
11 import static org.junit.Assert.assertNotNull;
12 import static org.junit.Assert.assertTrue;
13 import static org.junit.Assert.fail;
14 import static org.mockito.Matchers.any;
15 import static org.mockito.Matchers.eq;
16 import static org.mockito.Mockito.timeout;
17 import static org.mockito.Mockito.verify;
19 import akka.actor.ActorRef;
20 import akka.actor.ActorSelection;
21 import akka.actor.ActorSystem;
22 import akka.actor.Address;
23 import akka.actor.AddressFromURIString;
24 import akka.cluster.Cluster;
25 import akka.dispatch.Futures;
26 import akka.pattern.Patterns;
27 import akka.testkit.JavaTestKit;
28 import com.google.common.base.Optional;
29 import com.google.common.base.Stopwatch;
30 import com.google.common.base.Supplier;
31 import com.google.common.base.Throwables;
32 import com.google.common.collect.ImmutableMap;
33 import com.google.common.util.concurrent.ListenableFuture;
34 import com.google.common.util.concurrent.MoreExecutors;
35 import com.google.common.util.concurrent.Uninterruptibles;
36 import com.typesafe.config.ConfigFactory;
37 import java.math.BigInteger;
38 import java.util.Arrays;
39 import java.util.Collection;
40 import java.util.Collections;
41 import java.util.LinkedList;
42 import java.util.List;
43 import java.util.concurrent.ExecutionException;
44 import java.util.concurrent.TimeUnit;
45 import java.util.concurrent.TimeoutException;
46 import java.util.concurrent.atomic.AtomicLong;
47 import org.junit.After;
48 import org.junit.Assume;
49 import org.junit.Before;
50 import org.junit.Test;
51 import org.junit.runner.RunWith;
52 import org.junit.runners.Parameterized;
53 import org.junit.runners.Parameterized.Parameter;
54 import org.junit.runners.Parameterized.Parameters;
55 import org.mockito.Mockito;
56 import org.mockito.stubbing.Answer;
57 import org.opendaylight.controller.cluster.access.concepts.TransactionIdentifier;
58 import org.opendaylight.controller.cluster.databroker.ClientBackedDataStore;
59 import org.opendaylight.controller.cluster.databroker.ConcurrentDOMDataBroker;
60 import org.opendaylight.controller.cluster.datastore.DatastoreContext.Builder;
61 import org.opendaylight.controller.cluster.datastore.exceptions.NoShardLeaderException;
62 import org.opendaylight.controller.cluster.datastore.exceptions.ShardLeaderNotRespondingException;
63 import org.opendaylight.controller.cluster.datastore.messages.CommitTransactionReply;
64 import org.opendaylight.controller.cluster.datastore.messages.ForwardedReadyTransaction;
65 import org.opendaylight.controller.cluster.datastore.messages.GetShardDataTree;
66 import org.opendaylight.controller.cluster.datastore.messages.ReadyLocalTransaction;
67 import org.opendaylight.controller.cluster.datastore.messages.ReadyTransactionReply;
68 import org.opendaylight.controller.cluster.datastore.modification.MergeModification;
69 import org.opendaylight.controller.cluster.datastore.modification.WriteModification;
70 import org.opendaylight.controller.cluster.datastore.persisted.MetadataShardDataTreeSnapshot;
71 import org.opendaylight.controller.cluster.datastore.persisted.ShardSnapshotState;
72 import org.opendaylight.controller.cluster.raft.base.messages.TimeoutNow;
73 import org.opendaylight.controller.cluster.raft.client.messages.Shutdown;
74 import org.opendaylight.controller.cluster.raft.persisted.ApplyJournalEntries;
75 import org.opendaylight.controller.cluster.raft.persisted.Snapshot;
76 import org.opendaylight.controller.cluster.raft.policy.DisableElectionsRaftPolicy;
77 import org.opendaylight.controller.cluster.raft.utils.InMemoryJournal;
78 import org.opendaylight.controller.cluster.raft.utils.InMemorySnapshotStore;
79 import org.opendaylight.controller.md.cluster.datastore.model.CarsModel;
80 import org.opendaylight.controller.md.cluster.datastore.model.PeopleModel;
81 import org.opendaylight.controller.md.cluster.datastore.model.SchemaContextHelper;
82 import org.opendaylight.controller.md.cluster.datastore.model.TestModel;
83 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
84 import org.opendaylight.controller.md.sal.common.api.data.TransactionChainListener;
85 import org.opendaylight.controller.md.sal.common.api.data.TransactionCommitFailedException;
86 import org.opendaylight.controller.md.sal.dom.api.DOMDataWriteTransaction;
87 import org.opendaylight.controller.md.sal.dom.api.DOMTransactionChain;
88 import org.opendaylight.controller.sal.core.spi.data.DOMStore;
89 import org.opendaylight.controller.sal.core.spi.data.DOMStoreReadTransaction;
90 import org.opendaylight.controller.sal.core.spi.data.DOMStoreReadWriteTransaction;
91 import org.opendaylight.controller.sal.core.spi.data.DOMStoreThreePhaseCommitCohort;
92 import org.opendaylight.controller.sal.core.spi.data.DOMStoreTransactionChain;
93 import org.opendaylight.controller.sal.core.spi.data.DOMStoreWriteTransaction;
94 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
95 import org.opendaylight.yangtools.yang.data.api.schema.ContainerNode;
96 import org.opendaylight.yangtools.yang.data.api.schema.MapEntryNode;
97 import org.opendaylight.yangtools.yang.data.api.schema.MapNode;
98 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
99 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTree;
100 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeModification;
101 import org.opendaylight.yangtools.yang.data.api.schema.tree.TipProducingDataTree;
102 import org.opendaylight.yangtools.yang.data.api.schema.tree.TreeType;
103 import org.opendaylight.yangtools.yang.data.impl.schema.ImmutableNodes;
104 import org.opendaylight.yangtools.yang.data.impl.schema.builder.api.CollectionNodeBuilder;
105 import org.opendaylight.yangtools.yang.data.impl.schema.builder.impl.ImmutableContainerNodeBuilder;
106 import org.opendaylight.yangtools.yang.data.impl.schema.tree.InMemoryDataTreeFactory;
107 import scala.concurrent.Await;
108 import scala.concurrent.Future;
109 import scala.concurrent.duration.FiniteDuration;
112 * End-to-end distributed data store tests that exercise remote shards and transactions.
114 * @author Thomas Pantelis
116 @RunWith(Parameterized.class)
117 public class DistributedDataStoreRemotingIntegrationTest extends AbstractTest {
119 @Parameters(name = "{0}")
120 public static Collection<Object[]> data() {
121 return Arrays.asList(new Object[][] {
122 { DistributedDataStore.class, 7}, { ClientBackedDataStore.class, 120 }
127 public Class<? extends AbstractDataStore> testParameter;
129 public int commitTimeout;
131 private static final String[] CARS_AND_PEOPLE = {"cars", "people"};
132 private static final String[] CARS = {"cars"};
134 private static final Address MEMBER_1_ADDRESS = AddressFromURIString.parse(
135 "akka://cluster-test@127.0.0.1:2558");
136 private static final Address MEMBER_2_ADDRESS = AddressFromURIString.parse(
137 "akka://cluster-test@127.0.0.1:2559");
139 private static final String MODULE_SHARDS_CARS_ONLY_1_2 = "module-shards-cars-member-1-and-2.conf";
140 private static final String MODULE_SHARDS_CARS_PEOPLE_1_2 = "module-shards-member1-and-2.conf";
141 private static final String MODULE_SHARDS_CARS_PEOPLE_1_2_3 = "module-shards-member1-and-2-and-3.conf";
143 private ActorSystem leaderSystem;
144 private ActorSystem followerSystem;
145 private ActorSystem follower2System;
147 private final DatastoreContext.Builder leaderDatastoreContextBuilder =
148 DatastoreContext.newBuilder().shardHeartbeatIntervalInMillis(100).shardElectionTimeoutFactor(2);
150 private final DatastoreContext.Builder followerDatastoreContextBuilder =
151 DatastoreContext.newBuilder().shardHeartbeatIntervalInMillis(100).shardElectionTimeoutFactor(5)
152 .customRaftPolicyImplementation(DisableElectionsRaftPolicy.class.getName());
153 private final TransactionIdentifier tx1 = nextTransactionId();
154 private final TransactionIdentifier tx2 = nextTransactionId();
156 private AbstractDataStore followerDistributedDataStore;
157 private AbstractDataStore leaderDistributedDataStore;
158 private IntegrationTestKit followerTestKit;
159 private IntegrationTestKit leaderTestKit;
162 public void setUp() {
163 InMemoryJournal.clear();
164 InMemorySnapshotStore.clear();
166 leaderSystem = ActorSystem.create("cluster-test", ConfigFactory.load().getConfig("Member1"));
167 Cluster.get(leaderSystem).join(MEMBER_1_ADDRESS);
169 followerSystem = ActorSystem.create("cluster-test", ConfigFactory.load().getConfig("Member2"));
170 Cluster.get(followerSystem).join(MEMBER_1_ADDRESS);
172 follower2System = ActorSystem.create("cluster-test", ConfigFactory.load().getConfig("Member3"));
173 Cluster.get(follower2System).join(MEMBER_1_ADDRESS);
177 public void tearDown() {
178 if (followerDistributedDataStore != null) {
179 leaderDistributedDataStore.close();
181 if (leaderDistributedDataStore != null) {
182 leaderDistributedDataStore.close();
185 JavaTestKit.shutdownActorSystem(leaderSystem);
186 JavaTestKit.shutdownActorSystem(followerSystem);
187 JavaTestKit.shutdownActorSystem(follower2System);
189 InMemoryJournal.clear();
190 InMemorySnapshotStore.clear();
193 private void initDatastoresWithCars(final String type) throws Exception {
194 initDatastores(type, MODULE_SHARDS_CARS_ONLY_1_2, CARS);
197 private void initDatastoresWithCarsAndPeople(final String type) throws Exception {
198 initDatastores(type, MODULE_SHARDS_CARS_PEOPLE_1_2, CARS_AND_PEOPLE);
201 private void initDatastores(final String type, final String moduleShardsConfig, final String[] shards)
203 leaderTestKit = new IntegrationTestKit(leaderSystem, leaderDatastoreContextBuilder, commitTimeout);
205 leaderDistributedDataStore = leaderTestKit.setupAbstractDataStore(
206 testParameter, type, moduleShardsConfig, false, shards);
208 followerTestKit = new IntegrationTestKit(followerSystem, followerDatastoreContextBuilder, commitTimeout);
209 followerDistributedDataStore = followerTestKit.setupAbstractDataStore(
210 testParameter, type, moduleShardsConfig, false, shards);
212 leaderTestKit.waitUntilLeader(leaderDistributedDataStore.getActorContext(), shards);
214 leaderTestKit.waitForMembersUp("member-2");
215 followerTestKit.waitForMembersUp("member-1");
218 private static void verifyCars(final DOMStoreReadTransaction readTx, final MapEntryNode... entries)
220 final Optional<NormalizedNode<?, ?>> optional = readTx.read(CarsModel.CAR_LIST_PATH).get(5, TimeUnit.SECONDS);
221 assertEquals("isPresent", true, optional.isPresent());
223 final CollectionNodeBuilder<MapEntryNode, MapNode> listBuilder = ImmutableNodes.mapNodeBuilder(
224 CarsModel.CAR_QNAME);
225 for (final NormalizedNode<?, ?> entry: entries) {
226 listBuilder.withChild((MapEntryNode) entry);
229 assertEquals("Car list node", listBuilder.build(), optional.get());
232 private static void verifyNode(final DOMStoreReadTransaction readTx, final YangInstanceIdentifier path,
233 final NormalizedNode<?, ?> expNode) throws Exception {
234 final Optional<NormalizedNode<?, ?>> optional = readTx.read(path).get(5, TimeUnit.SECONDS);
235 assertEquals("isPresent", true, optional.isPresent());
236 assertEquals("Data node", expNode, optional.get());
239 private static void verifyExists(final DOMStoreReadTransaction readTx, final YangInstanceIdentifier path)
241 final Boolean exists = readTx.exists(path).get(5, TimeUnit.SECONDS);
242 assertEquals("exists", true, exists);
246 public void testWriteTransactionWithSingleShard() throws Exception {
247 final String testName = "testWriteTransactionWithSingleShard";
248 initDatastoresWithCars(testName);
250 final String followerCarShardName = "member-2-shard-cars-" + testName;
252 DOMStoreWriteTransaction writeTx = followerDistributedDataStore.newWriteOnlyTransaction();
253 assertNotNull("newWriteOnlyTransaction returned null", writeTx);
255 writeTx.write(CarsModel.BASE_PATH, CarsModel.emptyContainer());
256 writeTx.write(CarsModel.CAR_LIST_PATH, CarsModel.newCarMapNode());
258 final MapEntryNode car1 = CarsModel.newCarEntry("optima", BigInteger.valueOf(20000));
259 final YangInstanceIdentifier car1Path = CarsModel.newCarPath("optima");
260 writeTx.merge(car1Path, car1);
262 final MapEntryNode car2 = CarsModel.newCarEntry("sportage", BigInteger.valueOf(25000));
263 final YangInstanceIdentifier car2Path = CarsModel.newCarPath("sportage");
264 writeTx.merge(car2Path, car2);
266 followerTestKit.doCommit(writeTx.ready());
268 verifyCars(followerDistributedDataStore.newReadOnlyTransaction(), car1, car2);
270 verifyCars(leaderDistributedDataStore.newReadOnlyTransaction(), car1, car2);
274 writeTx = followerDistributedDataStore.newWriteOnlyTransaction();
276 writeTx.delete(car1Path);
278 followerTestKit.doCommit(writeTx.ready());
280 verifyExists(followerDistributedDataStore.newReadOnlyTransaction(), car2Path);
282 verifyCars(followerDistributedDataStore.newReadOnlyTransaction(), car2);
284 verifyCars(leaderDistributedDataStore.newReadOnlyTransaction(), car2);
286 // Re-instate the follower member 2 as a single-node to verify replication and recovery.
288 // The following is a bit tricky. Before we reinstate the follower we need to ensure it has persisted and
289 // applied and all the log entries from the leader. Since we've verified the car data above we know that
290 // all the transactions have been applied on the leader so we first read and capture its lastAppliedIndex.
291 final AtomicLong leaderLastAppliedIndex = new AtomicLong();
292 IntegrationTestKit.verifyShardState(leaderDistributedDataStore, CARS[0],
293 state -> leaderLastAppliedIndex.set(state.getLastApplied()));
295 // Now we need to make sure the follower has persisted the leader's lastAppliedIndex via ApplyJournalEntries.
296 // However we don't know exactly how many ApplyJournalEntries messages there will be as it can differ between
297 // the tell-based and ask-based front-ends. For ask-based there will be exactly 2 ApplyJournalEntries but
298 // tell-based persists additional payloads which could be replicated and applied in a batch resulting in
299 // either 2 or 3 ApplyJournalEntries. To handle this we read the follower's persisted ApplyJournalEntries
300 // until we find the one that encompasses the leader's lastAppliedIndex.
301 Stopwatch sw = Stopwatch.createStarted();
302 boolean done = false;
304 final List<ApplyJournalEntries> entries = InMemoryJournal.get(followerCarShardName,
305 ApplyJournalEntries.class);
306 for (ApplyJournalEntries aje: entries) {
307 if (aje.getToIndex() >= leaderLastAppliedIndex.get()) {
313 assertTrue("Follower did not persist ApplyJournalEntries containing leader's lastAppliedIndex "
314 + leaderLastAppliedIndex + ". Entries persisted: " + entries, sw.elapsed(TimeUnit.SECONDS) <= 5);
316 Uninterruptibles.sleepUninterruptibly(50, TimeUnit.MILLISECONDS);
319 JavaTestKit.shutdownActorSystem(leaderSystem, null, Boolean.TRUE);
320 JavaTestKit.shutdownActorSystem(followerSystem, null, Boolean.TRUE);
322 final ActorSystem newSystem = newActorSystem("reinstated-member2", "Member2");
324 try (AbstractDataStore member2Datastore = new IntegrationTestKit(newSystem, leaderDatastoreContextBuilder,
326 .setupAbstractDataStore(testParameter, testName, "module-shards-member2", true, CARS)) {
327 verifyCars(member2Datastore.newReadOnlyTransaction(), car2);
332 public void testReadWriteTransactionWithSingleShard() throws Exception {
333 initDatastoresWithCars("testReadWriteTransactionWithSingleShard");
335 final DOMStoreReadWriteTransaction rwTx = followerDistributedDataStore.newReadWriteTransaction();
336 assertNotNull("newReadWriteTransaction returned null", rwTx);
338 rwTx.write(CarsModel.BASE_PATH, CarsModel.emptyContainer());
339 rwTx.write(CarsModel.CAR_LIST_PATH, CarsModel.newCarMapNode());
341 final MapEntryNode car1 = CarsModel.newCarEntry("optima", BigInteger.valueOf(20000));
342 rwTx.merge(CarsModel.newCarPath("optima"), car1);
344 verifyCars(rwTx, car1);
346 final MapEntryNode car2 = CarsModel.newCarEntry("sportage", BigInteger.valueOf(25000));
347 final YangInstanceIdentifier car2Path = CarsModel.newCarPath("sportage");
348 rwTx.merge(car2Path, car2);
350 verifyExists(rwTx, car2Path);
352 followerTestKit.doCommit(rwTx.ready());
354 verifyCars(followerDistributedDataStore.newReadOnlyTransaction(), car1, car2);
358 public void testWriteTransactionWithMultipleShards() throws Exception {
359 initDatastoresWithCarsAndPeople("testWriteTransactionWithMultipleShards");
361 final DOMStoreWriteTransaction writeTx = followerDistributedDataStore.newWriteOnlyTransaction();
362 assertNotNull("newWriteOnlyTransaction returned null", writeTx);
364 final YangInstanceIdentifier carsPath = CarsModel.BASE_PATH;
365 final NormalizedNode<?, ?> carsNode = CarsModel.emptyContainer();
366 writeTx.write(carsPath, carsNode);
368 final YangInstanceIdentifier peoplePath = PeopleModel.BASE_PATH;
369 final NormalizedNode<?, ?> peopleNode = PeopleModel.emptyContainer();
370 writeTx.write(peoplePath, peopleNode);
372 followerTestKit.doCommit(writeTx.ready());
374 final DOMStoreReadTransaction readTx = followerDistributedDataStore.newReadOnlyTransaction();
376 verifyNode(readTx, carsPath, carsNode);
377 verifyNode(readTx, peoplePath, peopleNode);
381 public void testReadWriteTransactionWithMultipleShards() throws Exception {
382 initDatastoresWithCarsAndPeople("testReadWriteTransactionWithMultipleShards");
384 final DOMStoreReadWriteTransaction rwTx = followerDistributedDataStore.newReadWriteTransaction();
385 assertNotNull("newReadWriteTransaction returned null", rwTx);
387 final YangInstanceIdentifier carsPath = CarsModel.BASE_PATH;
388 final NormalizedNode<?, ?> carsNode = CarsModel.emptyContainer();
389 rwTx.write(carsPath, carsNode);
391 final YangInstanceIdentifier peoplePath = PeopleModel.BASE_PATH;
392 final NormalizedNode<?, ?> peopleNode = PeopleModel.emptyContainer();
393 rwTx.write(peoplePath, peopleNode);
395 followerTestKit.doCommit(rwTx.ready());
397 final DOMStoreReadTransaction readTx = followerDistributedDataStore.newReadOnlyTransaction();
399 verifyNode(readTx, carsPath, carsNode);
400 verifyNode(readTx, peoplePath, peopleNode);
404 public void testTransactionChainWithSingleShard() throws Exception {
405 initDatastoresWithCars("testTransactionChainWithSingleShard");
407 final DOMStoreTransactionChain txChain = followerDistributedDataStore.createTransactionChain();
409 // Add the top-level cars container with write-only.
411 final DOMStoreWriteTransaction writeTx = txChain.newWriteOnlyTransaction();
412 assertNotNull("newWriteOnlyTransaction returned null", writeTx);
414 writeTx.write(CarsModel.BASE_PATH, CarsModel.emptyContainer());
416 final DOMStoreThreePhaseCommitCohort writeTxReady = writeTx.ready();
418 // Verify the top-level cars container with read-only.
420 verifyNode(txChain.newReadOnlyTransaction(), CarsModel.BASE_PATH, CarsModel.emptyContainer());
422 // Perform car operations with read-write.
424 final DOMStoreReadWriteTransaction rwTx = txChain.newReadWriteTransaction();
426 verifyNode(rwTx, CarsModel.BASE_PATH, CarsModel.emptyContainer());
428 rwTx.merge(CarsModel.CAR_LIST_PATH, CarsModel.newCarMapNode());
430 final MapEntryNode car1 = CarsModel.newCarEntry("optima", BigInteger.valueOf(20000));
431 final YangInstanceIdentifier car1Path = CarsModel.newCarPath("optima");
432 rwTx.write(car1Path, car1);
434 verifyExists(rwTx, car1Path);
436 verifyCars(rwTx, car1);
438 final MapEntryNode car2 = CarsModel.newCarEntry("sportage", BigInteger.valueOf(25000));
439 rwTx.merge(CarsModel.newCarPath("sportage"), car2);
441 rwTx.delete(car1Path);
443 followerTestKit.doCommit(writeTxReady);
445 followerTestKit.doCommit(rwTx.ready());
449 verifyCars(followerDistributedDataStore.newReadOnlyTransaction(), car2);
453 public void testTransactionChainWithMultipleShards() throws Exception {
454 initDatastoresWithCarsAndPeople("testTransactionChainWithMultipleShards");
456 final DOMStoreTransactionChain txChain = followerDistributedDataStore.createTransactionChain();
458 DOMStoreWriteTransaction writeTx = txChain.newWriteOnlyTransaction();
459 assertNotNull("newWriteOnlyTransaction returned null", writeTx);
461 writeTx.write(CarsModel.BASE_PATH, CarsModel.emptyContainer());
462 writeTx.write(PeopleModel.BASE_PATH, PeopleModel.emptyContainer());
464 writeTx.write(CarsModel.CAR_LIST_PATH, CarsModel.newCarMapNode());
465 writeTx.write(PeopleModel.PERSON_LIST_PATH, PeopleModel.newPersonMapNode());
467 followerTestKit.doCommit(writeTx.ready());
469 final DOMStoreReadWriteTransaction readWriteTx = txChain.newReadWriteTransaction();
471 final MapEntryNode car = CarsModel.newCarEntry("optima", BigInteger.valueOf(20000));
472 final YangInstanceIdentifier carPath = CarsModel.newCarPath("optima");
473 readWriteTx.write(carPath, car);
475 final MapEntryNode person = PeopleModel.newPersonEntry("jack");
476 final YangInstanceIdentifier personPath = PeopleModel.newPersonPath("jack");
477 readWriteTx.merge(personPath, person);
479 Optional<NormalizedNode<?, ?>> optional = readWriteTx.read(carPath).get(5, TimeUnit.SECONDS);
480 assertEquals("isPresent", true, optional.isPresent());
481 assertEquals("Data node", car, optional.get());
483 optional = readWriteTx.read(personPath).get(5, TimeUnit.SECONDS);
484 assertEquals("isPresent", true, optional.isPresent());
485 assertEquals("Data node", person, optional.get());
487 final DOMStoreThreePhaseCommitCohort cohort2 = readWriteTx.ready();
489 writeTx = txChain.newWriteOnlyTransaction();
491 writeTx.delete(personPath);
493 final DOMStoreThreePhaseCommitCohort cohort3 = writeTx.ready();
495 followerTestKit.doCommit(cohort2);
496 followerTestKit.doCommit(cohort3);
500 final DOMStoreReadTransaction readTx = followerDistributedDataStore.newReadOnlyTransaction();
501 verifyCars(readTx, car);
503 optional = readTx.read(personPath).get(5, TimeUnit.SECONDS);
504 assertEquals("isPresent", false, optional.isPresent());
508 public void testChainedTransactionFailureWithSingleShard() throws Exception {
509 initDatastoresWithCars("testChainedTransactionFailureWithSingleShard");
511 final ConcurrentDOMDataBroker broker = new ConcurrentDOMDataBroker(
512 ImmutableMap.<LogicalDatastoreType, DOMStore>builder().put(
513 LogicalDatastoreType.CONFIGURATION, followerDistributedDataStore).build(),
514 MoreExecutors.directExecutor());
516 final TransactionChainListener listener = Mockito.mock(TransactionChainListener.class);
517 final DOMTransactionChain txChain = broker.createTransactionChain(listener);
519 final DOMDataWriteTransaction writeTx = txChain.newWriteOnlyTransaction();
521 final ContainerNode invalidData = ImmutableContainerNodeBuilder.create().withNodeIdentifier(
522 new YangInstanceIdentifier.NodeIdentifier(CarsModel.BASE_QNAME))
523 .withChild(ImmutableNodes.leafNode(TestModel.JUNK_QNAME, "junk")).build();
525 writeTx.merge(LogicalDatastoreType.CONFIGURATION, CarsModel.BASE_PATH, invalidData);
528 writeTx.submit().checkedGet(5, TimeUnit.SECONDS);
529 fail("Expected TransactionCommitFailedException");
530 } catch (final TransactionCommitFailedException e) {
534 verify(listener, timeout(5000)).onTransactionChainFailed(eq(txChain), eq(writeTx), any(Throwable.class));
541 public void testChainedTransactionFailureWithMultipleShards() throws Exception {
542 initDatastoresWithCarsAndPeople("testChainedTransactionFailureWithMultipleShards");
544 final ConcurrentDOMDataBroker broker = new ConcurrentDOMDataBroker(
545 ImmutableMap.<LogicalDatastoreType, DOMStore>builder().put(
546 LogicalDatastoreType.CONFIGURATION, followerDistributedDataStore).build(),
547 MoreExecutors.directExecutor());
549 final TransactionChainListener listener = Mockito.mock(TransactionChainListener.class);
550 final DOMTransactionChain txChain = broker.createTransactionChain(listener);
552 final DOMDataWriteTransaction writeTx = txChain.newWriteOnlyTransaction();
554 writeTx.put(LogicalDatastoreType.CONFIGURATION, PeopleModel.BASE_PATH, PeopleModel.emptyContainer());
556 final ContainerNode invalidData = ImmutableContainerNodeBuilder.create().withNodeIdentifier(
557 new YangInstanceIdentifier.NodeIdentifier(CarsModel.BASE_QNAME))
558 .withChild(ImmutableNodes.leafNode(TestModel.JUNK_QNAME, "junk")).build();
560 // Note that merge will validate the data and fail but put succeeds b/c deep validation is not
561 // done for put for performance reasons.
562 writeTx.merge(LogicalDatastoreType.CONFIGURATION, CarsModel.BASE_PATH, invalidData);
565 writeTx.submit().checkedGet(5, TimeUnit.SECONDS);
566 fail("Expected TransactionCommitFailedException");
567 } catch (final TransactionCommitFailedException e) {
571 verify(listener, timeout(5000)).onTransactionChainFailed(eq(txChain), eq(writeTx), any(Throwable.class));
578 public void testSingleShardTransactionsWithLeaderChanges() throws Exception {
579 final String testName = "testSingleShardTransactionsWithLeaderChanges";
580 initDatastoresWithCars(testName);
582 final String followerCarShardName = "member-2-shard-cars-" + testName;
583 InMemoryJournal.addWriteMessagesCompleteLatch(followerCarShardName, 1, ApplyJournalEntries.class);
585 // Write top-level car container from the follower so it uses a remote Tx.
587 DOMStoreWriteTransaction writeTx = followerDistributedDataStore.newWriteOnlyTransaction();
589 writeTx.write(CarsModel.BASE_PATH, CarsModel.emptyContainer());
590 writeTx.write(CarsModel.CAR_LIST_PATH, CarsModel.newCarMapNode());
592 followerTestKit.doCommit(writeTx.ready());
594 InMemoryJournal.waitForWriteMessagesComplete(followerCarShardName);
596 // Switch the leader to the follower
598 sendDatastoreContextUpdate(followerDistributedDataStore, followerDatastoreContextBuilder
599 .shardElectionTimeoutFactor(1).customRaftPolicyImplementation(null));
601 JavaTestKit.shutdownActorSystem(leaderSystem, null, true);
602 Cluster.get(followerSystem).leave(MEMBER_1_ADDRESS);
604 followerTestKit.waitUntilNoLeader(followerDistributedDataStore.getActorContext(), CARS);
606 leaderSystem = ActorSystem.create("cluster-test", ConfigFactory.load().getConfig("Member1"));
607 Cluster.get(leaderSystem).join(MEMBER_2_ADDRESS);
609 final DatastoreContext.Builder newMember1Builder = DatastoreContext.newBuilder()
610 .shardHeartbeatIntervalInMillis(100).shardElectionTimeoutFactor(5);
611 IntegrationTestKit newMember1TestKit = new IntegrationTestKit(leaderSystem, newMember1Builder, commitTimeout);
613 try (AbstractDataStore ds =
614 newMember1TestKit.setupAbstractDataStore(
615 testParameter, testName, MODULE_SHARDS_CARS_ONLY_1_2, false, CARS)) {
617 followerTestKit.waitUntilLeader(followerDistributedDataStore.getActorContext(), CARS);
619 // Write a car entry to the new leader - should switch to local Tx
621 writeTx = followerDistributedDataStore.newWriteOnlyTransaction();
623 MapEntryNode car1 = CarsModel.newCarEntry("optima", BigInteger.valueOf(20000));
624 YangInstanceIdentifier car1Path = CarsModel.newCarPath("optima");
625 writeTx.merge(car1Path, car1);
627 followerTestKit.doCommit(writeTx.ready());
629 verifyCars(followerDistributedDataStore.newReadOnlyTransaction(), car1);
633 @SuppressWarnings("unchecked")
635 public void testReadyLocalTransactionForwardedToLeader() throws Exception {
636 initDatastoresWithCars("testReadyLocalTransactionForwardedToLeader");
637 followerTestKit.waitUntilLeader(followerDistributedDataStore.getActorContext(), "cars");
639 final Optional<ActorRef> carsFollowerShard = followerDistributedDataStore.getActorContext()
640 .findLocalShard("cars");
641 assertEquals("Cars follower shard found", true, carsFollowerShard.isPresent());
643 final TipProducingDataTree dataTree = InMemoryDataTreeFactory.getInstance().create(TreeType.OPERATIONAL);
644 dataTree.setSchemaContext(SchemaContextHelper.full());
646 // Send a tx with immediate commit.
648 DataTreeModification modification = dataTree.takeSnapshot().newModification();
649 new WriteModification(CarsModel.BASE_PATH, CarsModel.emptyContainer()).apply(modification);
650 new MergeModification(CarsModel.CAR_LIST_PATH, CarsModel.newCarMapNode()).apply(modification);
652 final MapEntryNode car1 = CarsModel.newCarEntry("optima", BigInteger.valueOf(20000));
653 new WriteModification(CarsModel.newCarPath("optima"), car1).apply(modification);
654 modification.ready();
656 ReadyLocalTransaction readyLocal = new ReadyLocalTransaction(tx1 , modification, true);
658 carsFollowerShard.get().tell(readyLocal, followerTestKit.getRef());
659 Object resp = followerTestKit.expectMsgClass(Object.class);
660 if (resp instanceof akka.actor.Status.Failure) {
661 throw new AssertionError("Unexpected failure response", ((akka.actor.Status.Failure)resp).cause());
664 assertEquals("Response type", CommitTransactionReply.class, resp.getClass());
666 verifyCars(leaderDistributedDataStore.newReadOnlyTransaction(), car1);
668 // Send another tx without immediate commit.
670 modification = dataTree.takeSnapshot().newModification();
671 MapEntryNode car2 = CarsModel.newCarEntry("sportage", BigInteger.valueOf(30000));
672 new WriteModification(CarsModel.newCarPath("sportage"), car2).apply(modification);
673 modification.ready();
675 readyLocal = new ReadyLocalTransaction(tx2 , modification, false);
677 carsFollowerShard.get().tell(readyLocal, followerTestKit.getRef());
678 resp = followerTestKit.expectMsgClass(Object.class);
679 if (resp instanceof akka.actor.Status.Failure) {
680 throw new AssertionError("Unexpected failure response", ((akka.actor.Status.Failure)resp).cause());
683 assertEquals("Response type", ReadyTransactionReply.class, resp.getClass());
685 final ActorSelection txActor = leaderDistributedDataStore.getActorContext().actorSelection(
686 ((ReadyTransactionReply)resp).getCohortPath());
688 final Supplier<Short> versionSupplier = Mockito.mock(Supplier.class);
689 Mockito.doReturn(DataStoreVersions.CURRENT_VERSION).when(versionSupplier).get();
690 ThreePhaseCommitCohortProxy cohort = new ThreePhaseCommitCohortProxy(
691 leaderDistributedDataStore.getActorContext(), Arrays.asList(
692 new ThreePhaseCommitCohortProxy.CohortInfo(Futures.successful(txActor), versionSupplier)), tx2);
693 cohort.canCommit().get(5, TimeUnit.SECONDS);
694 cohort.preCommit().get(5, TimeUnit.SECONDS);
695 cohort.commit().get(5, TimeUnit.SECONDS);
697 verifyCars(leaderDistributedDataStore.newReadOnlyTransaction(), car1, car2);
700 @SuppressWarnings("unchecked")
702 public void testForwardedReadyTransactionForwardedToLeader() throws Exception {
703 initDatastoresWithCars("testForwardedReadyTransactionForwardedToLeader");
704 followerTestKit.waitUntilLeader(followerDistributedDataStore.getActorContext(), "cars");
706 final Optional<ActorRef> carsFollowerShard = followerDistributedDataStore.getActorContext()
707 .findLocalShard("cars");
708 assertEquals("Cars follower shard found", true, carsFollowerShard.isPresent());
710 carsFollowerShard.get().tell(GetShardDataTree.INSTANCE, followerTestKit.getRef());
711 final DataTree dataTree = followerTestKit.expectMsgClass(DataTree.class);
713 // Send a tx with immediate commit.
715 DataTreeModification modification = dataTree.takeSnapshot().newModification();
716 new WriteModification(CarsModel.BASE_PATH, CarsModel.emptyContainer()).apply(modification);
717 new MergeModification(CarsModel.CAR_LIST_PATH, CarsModel.newCarMapNode()).apply(modification);
719 final MapEntryNode car1 = CarsModel.newCarEntry("optima", BigInteger.valueOf(20000));
720 new WriteModification(CarsModel.newCarPath("optima"), car1).apply(modification);
722 ForwardedReadyTransaction forwardedReady = new ForwardedReadyTransaction(tx1,
723 DataStoreVersions.CURRENT_VERSION, new ReadWriteShardDataTreeTransaction(
724 Mockito.mock(ShardDataTreeTransactionParent.class), tx1, modification), true);
726 carsFollowerShard.get().tell(forwardedReady, followerTestKit.getRef());
727 Object resp = followerTestKit.expectMsgClass(Object.class);
728 if (resp instanceof akka.actor.Status.Failure) {
729 throw new AssertionError("Unexpected failure response", ((akka.actor.Status.Failure)resp).cause());
732 assertEquals("Response type", CommitTransactionReply.class, resp.getClass());
734 verifyCars(leaderDistributedDataStore.newReadOnlyTransaction(), car1);
736 // Send another tx without immediate commit.
738 modification = dataTree.takeSnapshot().newModification();
739 MapEntryNode car2 = CarsModel.newCarEntry("sportage", BigInteger.valueOf(30000));
740 new WriteModification(CarsModel.newCarPath("sportage"), car2).apply(modification);
742 forwardedReady = new ForwardedReadyTransaction(tx2,
743 DataStoreVersions.CURRENT_VERSION, new ReadWriteShardDataTreeTransaction(
744 Mockito.mock(ShardDataTreeTransactionParent.class), tx2, modification), false);
746 carsFollowerShard.get().tell(forwardedReady, followerTestKit.getRef());
747 resp = followerTestKit.expectMsgClass(Object.class);
748 if (resp instanceof akka.actor.Status.Failure) {
749 throw new AssertionError("Unexpected failure response", ((akka.actor.Status.Failure)resp).cause());
752 assertEquals("Response type", ReadyTransactionReply.class, resp.getClass());
754 ActorSelection txActor = leaderDistributedDataStore.getActorContext().actorSelection(
755 ((ReadyTransactionReply)resp).getCohortPath());
757 final Supplier<Short> versionSupplier = Mockito.mock(Supplier.class);
758 Mockito.doReturn(DataStoreVersions.CURRENT_VERSION).when(versionSupplier).get();
759 final ThreePhaseCommitCohortProxy cohort = new ThreePhaseCommitCohortProxy(
760 leaderDistributedDataStore.getActorContext(), Arrays.asList(
761 new ThreePhaseCommitCohortProxy.CohortInfo(Futures.successful(txActor), versionSupplier)), tx2);
762 cohort.canCommit().get(5, TimeUnit.SECONDS);
763 cohort.preCommit().get(5, TimeUnit.SECONDS);
764 cohort.commit().get(5, TimeUnit.SECONDS);
766 verifyCars(leaderDistributedDataStore.newReadOnlyTransaction(), car1, car2);
770 public void testTransactionForwardedToLeaderAfterRetry() throws Exception {
771 //TODO remove when test passes also for ClientBackedDataStore
772 Assume.assumeTrue(testParameter.equals(DistributedDataStore.class));
773 followerDatastoreContextBuilder.shardBatchedModificationCount(2);
774 leaderDatastoreContextBuilder.shardBatchedModificationCount(2);
775 initDatastoresWithCarsAndPeople("testTransactionForwardedToLeaderAfterRetry");
777 // Do an initial write to get the primary shard info cached.
779 final DOMStoreWriteTransaction initialWriteTx = followerDistributedDataStore.newWriteOnlyTransaction();
780 initialWriteTx.write(CarsModel.BASE_PATH, CarsModel.emptyContainer());
781 initialWriteTx.write(PeopleModel.BASE_PATH, PeopleModel.emptyContainer());
782 followerTestKit.doCommit(initialWriteTx.ready());
784 // Wait for the commit to be replicated to the follower.
786 MemberNode.verifyRaftState(followerDistributedDataStore, "cars",
787 raftState -> assertEquals("getLastApplied", 0, raftState.getLastApplied()));
789 MemberNode.verifyRaftState(followerDistributedDataStore, "people",
790 raftState -> assertEquals("getLastApplied", 0, raftState.getLastApplied()));
792 // Prepare, ready and canCommit a WO tx that writes to 2 shards. This will become the current tx in
795 final DOMStoreWriteTransaction writeTx1 = followerDistributedDataStore.newWriteOnlyTransaction();
796 writeTx1.write(CarsModel.CAR_LIST_PATH, CarsModel.newCarMapNode());
797 writeTx1.write(PeopleModel.BASE_PATH, PeopleModel.emptyContainer());
798 final DOMStoreThreePhaseCommitCohort writeTx1Cohort = writeTx1.ready();
799 final ListenableFuture<Boolean> writeTx1CanCommit = writeTx1Cohort.canCommit();
800 writeTx1CanCommit.get(5, TimeUnit.SECONDS);
802 // Prepare and ready another WO tx that writes to 2 shards but don't canCommit yet. This will be queued
803 // in the leader shard.
805 final DOMStoreWriteTransaction writeTx2 = followerDistributedDataStore.newWriteOnlyTransaction();
806 final LinkedList<MapEntryNode> cars = new LinkedList<>();
808 cars.add(CarsModel.newCarEntry("car" + carIndex, BigInteger.valueOf(carIndex)));
809 writeTx2.write(CarsModel.newCarPath("car" + carIndex), cars.getLast());
811 NormalizedNode<?, ?> people = PeopleModel.newPersonMapNode();
812 writeTx2.write(PeopleModel.PERSON_LIST_PATH, people);
813 final DOMStoreThreePhaseCommitCohort writeTx2Cohort = writeTx2.ready();
815 // Prepare another WO that writes to a single shard and thus will be directly committed on ready. This
816 // tx writes 5 cars so 2 BatchedModidifications messages will be sent initially and cached in the
817 // leader shard (with shardBatchedModificationCount set to 2). The 3rd BatchedModidifications will be
820 final DOMStoreWriteTransaction writeTx3 = followerDistributedDataStore.newWriteOnlyTransaction();
821 for (int i = 1; i <= 5; i++, carIndex++) {
822 cars.add(CarsModel.newCarEntry("car" + carIndex, BigInteger.valueOf(carIndex)));
823 writeTx3.write(CarsModel.newCarPath("car" + carIndex), cars.getLast());
826 // Prepare another WO that writes to a single shard. This will send a single BatchedModidifications
829 final DOMStoreWriteTransaction writeTx4 = followerDistributedDataStore.newWriteOnlyTransaction();
830 cars.add(CarsModel.newCarEntry("car" + carIndex, BigInteger.valueOf(carIndex)));
831 writeTx4.write(CarsModel.newCarPath("car" + carIndex), cars.getLast());
834 // Prepare a RW tx that will create a tx actor and send a ForwardedReadyTransaciton message to the
835 // leader shard on ready.
837 final DOMStoreReadWriteTransaction readWriteTx = followerDistributedDataStore.newReadWriteTransaction();
838 cars.add(CarsModel.newCarEntry("car" + carIndex, BigInteger.valueOf(carIndex)));
839 readWriteTx.write(CarsModel.newCarPath("car" + carIndex), cars.getLast());
841 IntegrationTestKit.verifyShardStats(leaderDistributedDataStore, "cars",
842 stats -> assertEquals("getReadWriteTransactionCount", 1, stats.getReadWriteTransactionCount()));
844 // Disable elections on the leader so it switches to follower.
846 sendDatastoreContextUpdate(leaderDistributedDataStore, leaderDatastoreContextBuilder
847 .customRaftPolicyImplementation(DisableElectionsRaftPolicy.class.getName())
848 .shardElectionTimeoutFactor(10));
850 leaderTestKit.waitUntilNoLeader(leaderDistributedDataStore.getActorContext(), "cars");
852 // Submit all tx's - the messages should get queued for retry.
854 final ListenableFuture<Boolean> writeTx2CanCommit = writeTx2Cohort.canCommit();
855 final DOMStoreThreePhaseCommitCohort writeTx3Cohort = writeTx3.ready();
856 final DOMStoreThreePhaseCommitCohort writeTx4Cohort = writeTx4.ready();
857 final DOMStoreThreePhaseCommitCohort rwTxCohort = readWriteTx.ready();
859 // Enable elections on the other follower so it becomes the leader, at which point the
860 // tx's should get forwarded from the previous leader to the new leader to complete the commits.
862 sendDatastoreContextUpdate(followerDistributedDataStore, followerDatastoreContextBuilder
863 .customRaftPolicyImplementation(null).shardElectionTimeoutFactor(1));
864 IntegrationTestKit.findLocalShard(followerDistributedDataStore.getActorContext(), "cars")
865 .tell(TimeoutNow.INSTANCE, ActorRef.noSender());
866 IntegrationTestKit.findLocalShard(followerDistributedDataStore.getActorContext(), "people")
867 .tell(TimeoutNow.INSTANCE, ActorRef.noSender());
869 followerTestKit.doCommit(writeTx1CanCommit, writeTx1Cohort);
870 followerTestKit.doCommit(writeTx2CanCommit, writeTx2Cohort);
871 followerTestKit.doCommit(writeTx3Cohort);
872 followerTestKit.doCommit(writeTx4Cohort);
873 followerTestKit.doCommit(rwTxCohort);
875 DOMStoreReadTransaction readTx = leaderDistributedDataStore.newReadOnlyTransaction();
876 verifyCars(readTx, cars.toArray(new MapEntryNode[cars.size()]));
877 verifyNode(readTx, PeopleModel.PERSON_LIST_PATH, people);
881 public void testLeadershipTransferOnShutdown() throws Exception {
882 //TODO remove when test passes also for ClientBackedDataStore
883 Assume.assumeTrue(testParameter.equals(DistributedDataStore.class));
884 leaderDatastoreContextBuilder.shardBatchedModificationCount(1);
885 followerDatastoreContextBuilder.shardElectionTimeoutFactor(10).customRaftPolicyImplementation(null);
886 final String testName = "testLeadershipTransferOnShutdown";
887 initDatastores(testName, MODULE_SHARDS_CARS_PEOPLE_1_2_3, CARS_AND_PEOPLE);
889 final IntegrationTestKit follower2TestKit = new IntegrationTestKit(follower2System,
890 DatastoreContext.newBuilderFrom(followerDatastoreContextBuilder.build()).operationTimeoutInMillis(100),
892 try (AbstractDataStore follower2DistributedDataStore = follower2TestKit.setupAbstractDataStore(
893 testParameter, testName, MODULE_SHARDS_CARS_PEOPLE_1_2_3, false)) {
895 followerTestKit.waitForMembersUp("member-3");
896 follower2TestKit.waitForMembersUp("member-1", "member-2");
898 // Create and submit a couple tx's so they're pending.
900 DOMStoreWriteTransaction writeTx = followerDistributedDataStore.newWriteOnlyTransaction();
901 writeTx.write(CarsModel.BASE_PATH, CarsModel.emptyContainer());
902 writeTx.write(CarsModel.CAR_LIST_PATH, CarsModel.newCarMapNode());
903 writeTx.write(PeopleModel.BASE_PATH, PeopleModel.emptyContainer());
904 final DOMStoreThreePhaseCommitCohort cohort1 = writeTx.ready();
906 IntegrationTestKit.verifyShardStats(leaderDistributedDataStore, "cars",
907 stats -> assertEquals("getTxCohortCacheSize", 1, stats.getTxCohortCacheSize()));
909 writeTx = followerDistributedDataStore.newWriteOnlyTransaction();
910 final MapEntryNode car = CarsModel.newCarEntry("optima", BigInteger.valueOf(20000));
911 writeTx.write(CarsModel.newCarPath("optima"), car);
912 final DOMStoreThreePhaseCommitCohort cohort2 = writeTx.ready();
914 IntegrationTestKit.verifyShardStats(leaderDistributedDataStore, "cars",
915 stats -> assertEquals("getTxCohortCacheSize", 2, stats.getTxCohortCacheSize()));
917 // Gracefully stop the leader via a Shutdown message.
919 sendDatastoreContextUpdate(leaderDistributedDataStore, leaderDatastoreContextBuilder
920 .shardElectionTimeoutFactor(100));
922 final FiniteDuration duration = FiniteDuration.create(5, TimeUnit.SECONDS);
923 final Future<ActorRef> future = leaderDistributedDataStore.getActorContext().findLocalShardAsync("cars");
924 final ActorRef leaderActor = Await.result(future, duration);
926 final Future<Boolean> stopFuture = Patterns.gracefulStop(leaderActor, duration, Shutdown.INSTANCE);
928 // Commit the 2 transactions. They should finish and succeed.
930 followerTestKit.doCommit(cohort1);
931 followerTestKit.doCommit(cohort2);
933 // Wait for the leader actor stopped.
935 final Boolean stopped = Await.result(stopFuture, duration);
936 assertEquals("Stopped", Boolean.TRUE, stopped);
938 // Verify leadership was transferred by reading the committed data from the other nodes.
940 verifyCars(followerDistributedDataStore.newReadOnlyTransaction(), car);
941 verifyCars(follower2DistributedDataStore.newReadOnlyTransaction(), car);
946 public void testTransactionWithIsolatedLeader() throws Exception {
947 //TODO remove when test passes also for ClientBackedDataStore
948 Assume.assumeTrue(testParameter.equals(DistributedDataStore.class));
949 // Set the isolated leader check interval high so we can control the switch to IsolatedLeader.
950 leaderDatastoreContextBuilder.shardIsolatedLeaderCheckIntervalInMillis(10000000);
951 final String testName = "testTransactionWithIsolatedLeader";
952 initDatastoresWithCars(testName);
954 // Tx that is submitted after the follower is stopped but before the leader transitions to IsolatedLeader.
955 final DOMStoreWriteTransaction preIsolatedLeaderWriteTx = leaderDistributedDataStore.newWriteOnlyTransaction();
956 preIsolatedLeaderWriteTx.write(CarsModel.BASE_PATH, CarsModel.emptyContainer());
958 // Tx that is submitted after the leader transitions to IsolatedLeader.
959 final DOMStoreWriteTransaction noShardLeaderWriteTx = leaderDistributedDataStore.newWriteOnlyTransaction();
960 noShardLeaderWriteTx.write(CarsModel.BASE_PATH, CarsModel.emptyContainer());
962 // Tx that is submitted after the follower is reinstated.
963 final DOMStoreWriteTransaction successWriteTx = leaderDistributedDataStore.newWriteOnlyTransaction();
964 successWriteTx.merge(CarsModel.BASE_PATH, CarsModel.emptyContainer());
967 followerTestKit.watch(followerDistributedDataStore.getActorContext().getShardManager());
968 followerDistributedDataStore.close();
969 followerTestKit.expectTerminated(followerDistributedDataStore.getActorContext().getShardManager());
971 // Submit the preIsolatedLeaderWriteTx so it's pending
972 final DOMStoreThreePhaseCommitCohort preIsolatedLeaderTxCohort = preIsolatedLeaderWriteTx.ready();
974 // Change the isolated leader check interval low so it changes to IsolatedLeader.
975 sendDatastoreContextUpdate(leaderDistributedDataStore, leaderDatastoreContextBuilder
976 .shardIsolatedLeaderCheckIntervalInMillis(200));
978 MemberNode.verifyRaftState(leaderDistributedDataStore, "cars",
979 raftState -> assertEquals("getRaftState", "IsolatedLeader", raftState.getRaftState()));
982 leaderTestKit.doCommit(noShardLeaderWriteTx.ready());
983 fail("Expected NoShardLeaderException");
984 } catch (final ExecutionException e) {
985 assertEquals("getCause", NoShardLeaderException.class, Throwables.getRootCause(e).getClass());
988 sendDatastoreContextUpdate(leaderDistributedDataStore, leaderDatastoreContextBuilder
989 .shardElectionTimeoutFactor(100));
991 final DOMStoreThreePhaseCommitCohort successTxCohort = successWriteTx.ready();
993 followerDistributedDataStore = followerTestKit.setupAbstractDataStore(
994 testParameter, testName, MODULE_SHARDS_CARS_ONLY_1_2, false, CARS);
996 leaderTestKit.doCommit(preIsolatedLeaderTxCohort);
997 leaderTestKit.doCommit(successTxCohort);
1001 public void testTransactionWithShardLeaderNotResponding() throws Exception {
1002 followerDatastoreContextBuilder.shardElectionTimeoutFactor(50);
1003 initDatastoresWithCars("testTransactionWithShardLeaderNotResponding");
1005 // Do an initial read to get the primary shard info cached.
1007 final DOMStoreReadTransaction readTx = followerDistributedDataStore.newReadOnlyTransaction();
1008 readTx.read(CarsModel.BASE_PATH).checkedGet(5, TimeUnit.SECONDS);
1010 // Shutdown the leader and try to create a new tx.
1012 JavaTestKit.shutdownActorSystem(leaderSystem, null, true);
1014 followerDatastoreContextBuilder.operationTimeoutInMillis(50).shardElectionTimeoutFactor(1);
1015 sendDatastoreContextUpdate(followerDistributedDataStore, followerDatastoreContextBuilder);
1017 final DOMStoreReadWriteTransaction rwTx = followerDistributedDataStore.newReadWriteTransaction();
1019 rwTx.write(CarsModel.BASE_PATH, CarsModel.emptyContainer());
1022 followerTestKit.doCommit(rwTx.ready());
1023 fail("Exception expected");
1024 } catch (final ExecutionException e) {
1025 final String msg = "Unexpected exception: " + Throwables.getStackTraceAsString(e.getCause());
1026 assertTrue(msg, Throwables.getRootCause(e) instanceof NoShardLeaderException
1027 || e.getCause() instanceof ShardLeaderNotRespondingException);
1028 assertEquals(DistributedDataStore.class, testParameter);
1029 } catch (final TimeoutException e) {
1030 // ClientBackedDataStore doesn't set cause to ExecutionException, future just time outs
1031 assertEquals(ClientBackedDataStore.class, testParameter);
1036 public void testTransactionWithCreateTxFailureDueToNoLeader() throws Exception {
1037 initDatastoresWithCars("testTransactionWithCreateTxFailureDueToNoLeader");
1039 // Do an initial read to get the primary shard info cached.
1041 final DOMStoreReadTransaction readTx = followerDistributedDataStore.newReadOnlyTransaction();
1042 readTx.read(CarsModel.BASE_PATH).checkedGet(5, TimeUnit.SECONDS);
1044 // Shutdown the leader and try to create a new tx.
1046 JavaTestKit.shutdownActorSystem(leaderSystem, null, true);
1048 Cluster.get(followerSystem).leave(MEMBER_1_ADDRESS);
1050 Uninterruptibles.sleepUninterruptibly(100, TimeUnit.MILLISECONDS);
1052 sendDatastoreContextUpdate(followerDistributedDataStore, followerDatastoreContextBuilder
1053 .operationTimeoutInMillis(10).shardElectionTimeoutFactor(1).customRaftPolicyImplementation(null));
1055 final DOMStoreReadWriteTransaction rwTx = followerDistributedDataStore.newReadWriteTransaction();
1057 rwTx.write(CarsModel.BASE_PATH, CarsModel.emptyContainer());
1060 followerTestKit.doCommit(rwTx.ready());
1061 fail("Exception expected");
1062 } catch (final ExecutionException e) {
1063 final String msg = "Expected instance of NoShardLeaderException, actual: \n"
1064 + Throwables.getStackTraceAsString(e.getCause());
1065 assertTrue(msg, Throwables.getRootCause(e) instanceof NoShardLeaderException);
1066 assertEquals(DistributedDataStore.class, testParameter);
1067 } catch (TimeoutException e) {
1068 // ClientBackedDataStore doesn't set cause to ExecutionException, future just time outs
1069 assertEquals(ClientBackedDataStore.class, testParameter);
1074 public void testTransactionRetryWithInitialAskTimeoutExOnCreateTx() throws Exception {
1075 String testName = "testTransactionRetryWithInitialAskTimeoutExOnCreateTx";
1076 initDatastores(testName, MODULE_SHARDS_CARS_PEOPLE_1_2_3, CARS);
1078 final DatastoreContext.Builder follower2DatastoreContextBuilder = DatastoreContext.newBuilder()
1079 .shardHeartbeatIntervalInMillis(100).shardElectionTimeoutFactor(5);
1080 final IntegrationTestKit follower2TestKit = new IntegrationTestKit(
1081 follower2System, follower2DatastoreContextBuilder, commitTimeout);
1083 try (AbstractDataStore ds =
1084 follower2TestKit.setupAbstractDataStore(
1085 testParameter, testName, MODULE_SHARDS_CARS_PEOPLE_1_2_3, false, CARS)) {
1087 followerTestKit.waitForMembersUp("member-1", "member-3");
1088 follower2TestKit.waitForMembersUp("member-1", "member-2");
1090 // Do an initial read to get the primary shard info cached.
1092 final DOMStoreReadTransaction readTx = followerDistributedDataStore.newReadOnlyTransaction();
1093 readTx.read(CarsModel.BASE_PATH).checkedGet(5, TimeUnit.SECONDS);
1095 // Shutdown the leader and try to create a new tx.
1097 JavaTestKit.shutdownActorSystem(leaderSystem, null, true);
1099 Cluster.get(followerSystem).leave(MEMBER_1_ADDRESS);
1101 sendDatastoreContextUpdate(followerDistributedDataStore, followerDatastoreContextBuilder
1102 .operationTimeoutInMillis(500).shardElectionTimeoutFactor(1).customRaftPolicyImplementation(null));
1104 final DOMStoreReadWriteTransaction rwTx = followerDistributedDataStore.newReadWriteTransaction();
1106 rwTx.write(CarsModel.BASE_PATH, CarsModel.emptyContainer());
1108 followerTestKit.doCommit(rwTx.ready());
1113 public void testInstallSnapshot() throws Exception {
1114 final String testName = "testInstallSnapshot";
1115 final String leaderCarShardName = "member-1-shard-cars-" + testName;
1116 final String followerCarShardName = "member-2-shard-cars-" + testName;
1118 // Setup a saved snapshot on the leader. The follower will startup with no data and the leader should
1119 // install a snapshot to sync the follower.
1121 TipProducingDataTree tree = InMemoryDataTreeFactory.getInstance().create(TreeType.CONFIGURATION);
1122 tree.setSchemaContext(SchemaContextHelper.full());
1124 final ContainerNode carsNode = CarsModel.newCarsNode(
1125 CarsModel.newCarsMapNode(CarsModel.newCarEntry("optima", BigInteger.valueOf(20000))));
1126 AbstractShardTest.writeToStore(tree, CarsModel.BASE_PATH, carsNode);
1128 final NormalizedNode<?, ?> snapshotRoot = AbstractShardTest.readStore(tree, YangInstanceIdentifier.EMPTY);
1129 final Snapshot initialSnapshot = Snapshot.create(
1130 new ShardSnapshotState(new MetadataShardDataTreeSnapshot(snapshotRoot)),
1131 Collections.emptyList(), 5, 1, 5, 1, 1, null, null);
1132 InMemorySnapshotStore.addSnapshot(leaderCarShardName, initialSnapshot);
1134 InMemorySnapshotStore.addSnapshotSavedLatch(leaderCarShardName);
1135 InMemorySnapshotStore.addSnapshotSavedLatch(followerCarShardName);
1137 initDatastoresWithCars(testName);
1139 final Optional<NormalizedNode<?, ?>> readOptional = leaderDistributedDataStore.newReadOnlyTransaction().read(
1140 CarsModel.BASE_PATH).checkedGet(5, TimeUnit.SECONDS);
1141 assertEquals("isPresent", true, readOptional.isPresent());
1142 assertEquals("Node", carsNode, readOptional.get());
1144 verifySnapshot(InMemorySnapshotStore.waitForSavedSnapshot(leaderCarShardName, Snapshot.class),
1145 initialSnapshot, snapshotRoot);
1147 verifySnapshot(InMemorySnapshotStore.waitForSavedSnapshot(followerCarShardName, Snapshot.class),
1148 initialSnapshot, snapshotRoot);
1151 private static void verifySnapshot(final Snapshot actual, final Snapshot expected,
1152 final NormalizedNode<?, ?> expRoot) {
1153 assertEquals("Snapshot getLastAppliedTerm", expected.getLastAppliedTerm(), actual.getLastAppliedTerm());
1154 assertEquals("Snapshot getLastAppliedIndex", expected.getLastAppliedIndex(), actual.getLastAppliedIndex());
1155 assertEquals("Snapshot getLastTerm", expected.getLastTerm(), actual.getLastTerm());
1156 assertEquals("Snapshot getLastIndex", expected.getLastIndex(), actual.getLastIndex());
1157 assertEquals("Snapshot state type", ShardSnapshotState.class, actual.getState().getClass());
1158 MetadataShardDataTreeSnapshot shardSnapshot =
1159 (MetadataShardDataTreeSnapshot) ((ShardSnapshotState)actual.getState()).getSnapshot();
1160 assertEquals("Snapshot root node", expRoot, shardSnapshot.getRootNode().get());
1163 private static void sendDatastoreContextUpdate(final AbstractDataStore dataStore, final Builder builder) {
1164 final Builder newBuilder = DatastoreContext.newBuilderFrom(builder.build());
1165 final DatastoreContextFactory mockContextFactory = Mockito.mock(DatastoreContextFactory.class);
1166 final Answer<DatastoreContext> answer = invocation -> newBuilder.build();
1167 Mockito.doAnswer(answer).when(mockContextFactory).getBaseDatastoreContext();
1168 Mockito.doAnswer(answer).when(mockContextFactory).getShardDatastoreContext(Mockito.anyString());
1169 dataStore.onDatastoreContextUpdated(mockContextFactory);