2 * Copyright (c) 2015 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.entityownership;
10 import static org.hamcrest.MatcherAssert.assertThat;
11 import static org.junit.Assert.assertEquals;
12 import static org.junit.Assert.assertNull;
13 import static org.junit.Assert.assertTrue;
14 import static org.mockito.AdditionalMatchers.or;
15 import static org.mockito.Mockito.doNothing;
16 import static org.mockito.Mockito.never;
17 import static org.mockito.Mockito.reset;
18 import static org.mockito.Mockito.timeout;
19 import static org.mockito.Mockito.verify;
20 import static org.opendaylight.controller.cluster.datastore.MemberNode.verifyRaftState;
21 import static org.opendaylight.controller.cluster.entityownership.AbstractEntityOwnershipTest.ownershipChange;
22 import static org.opendaylight.controller.cluster.entityownership.DistributedEntityOwnershipService.ENTITY_OWNERSHIP_SHARD_NAME;
23 import static org.opendaylight.controller.cluster.entityownership.EntityOwnersModel.CANDIDATE_NAME_NODE_ID;
24 import static org.opendaylight.controller.cluster.entityownership.EntityOwnersModel.entityPath;
26 import akka.actor.ActorRef;
27 import akka.actor.Status.Failure;
28 import akka.actor.Status.Success;
29 import akka.cluster.Cluster;
30 import akka.pattern.Patterns;
31 import akka.util.Timeout;
32 import com.google.common.base.Stopwatch;
33 import com.google.common.collect.ImmutableMap;
34 import com.google.common.collect.Iterables;
35 import com.google.common.collect.Lists;
36 import com.google.common.util.concurrent.Uninterruptibles;
37 import java.util.ArrayList;
38 import java.util.Arrays;
39 import java.util.Collection;
40 import java.util.List;
41 import java.util.Optional;
42 import java.util.concurrent.TimeUnit;
43 import org.junit.After;
44 import org.junit.Before;
45 import org.junit.Test;
46 import org.mockito.ArgumentCaptor;
47 import org.mockito.Mock;
48 import org.mockito.Mockito;
49 import org.mockito.MockitoAnnotations;
50 import org.mockito.exceptions.base.MockitoException;
51 import org.opendaylight.controller.cluster.datastore.AbstractDataStore;
52 import org.opendaylight.controller.cluster.datastore.DatastoreContext;
53 import org.opendaylight.controller.cluster.datastore.IntegrationTestKit;
54 import org.opendaylight.controller.cluster.datastore.MemberNode;
55 import org.opendaylight.controller.cluster.datastore.messages.AddShardReplica;
56 import org.opendaylight.controller.cluster.datastore.messages.ChangeShardMembersVotingStatus;
57 import org.opendaylight.controller.cluster.entityownership.selectionstrategy.EntityOwnerSelectionStrategyConfig;
58 import org.opendaylight.controller.cluster.raft.policy.DisableElectionsRaftPolicy;
59 import org.opendaylight.controller.cluster.raft.utils.InMemoryJournal;
60 import org.opendaylight.controller.cluster.raft.utils.InMemorySnapshotStore;
61 import org.opendaylight.mdsal.eos.common.api.EntityOwnershipState;
62 import org.opendaylight.mdsal.eos.dom.api.DOMEntity;
63 import org.opendaylight.mdsal.eos.dom.api.DOMEntityOwnershipCandidateRegistration;
64 import org.opendaylight.mdsal.eos.dom.api.DOMEntityOwnershipChange;
65 import org.opendaylight.mdsal.eos.dom.api.DOMEntityOwnershipListener;
66 import org.opendaylight.mdsal.eos.dom.api.DOMEntityOwnershipService;
67 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.clustering.entity.owners.rev150804.entity.owners.entity.type.entity.Candidate;
68 import org.opendaylight.yangtools.yang.data.api.schema.MapEntryNode;
69 import org.opendaylight.yangtools.yang.data.api.schema.MapNode;
70 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
71 import scala.concurrent.Await;
72 import scala.concurrent.Future;
73 import scala.concurrent.duration.FiniteDuration;
76 * End-to-end integration tests for the entity ownership functionality.
78 * @author Thomas Pantelis
80 public class DistributedEntityOwnershipIntegrationTest {
81 private static final String MODULE_SHARDS_CONFIG = "module-shards-default.conf";
82 private static final String MODULE_SHARDS_5_NODE_CONFIG = "module-shards-default-5-node.conf";
83 private static final String MODULE_SHARDS_MEMBER_1_CONFIG = "module-shards-default-member-1.conf";
84 private static final String ENTITY_TYPE1 = "entityType1";
85 private static final String ENTITY_TYPE2 = "entityType2";
86 private static final DOMEntity ENTITY1 = new DOMEntity(ENTITY_TYPE1, "entity1");
87 private static final DOMEntity ENTITY1_2 = new DOMEntity(ENTITY_TYPE2, "entity1");
88 private static final DOMEntity ENTITY2 = new DOMEntity(ENTITY_TYPE1, "entity2");
89 private static final DOMEntity ENTITY3 = new DOMEntity(ENTITY_TYPE1, "entity3");
90 private static final DOMEntity ENTITY4 = new DOMEntity(ENTITY_TYPE1, "entity4");
91 private final DatastoreContext.Builder leaderDatastoreContextBuilder =
92 DatastoreContext.newBuilder().shardHeartbeatIntervalInMillis(100).shardElectionTimeoutFactor(5)
93 .shardIsolatedLeaderCheckIntervalInMillis(1000000);
95 private final DatastoreContext.Builder followerDatastoreContextBuilder =
96 DatastoreContext.newBuilder().shardHeartbeatIntervalInMillis(100).shardElectionTimeoutFactor(10000);
98 private final List<MemberNode> memberNodes = new ArrayList<>();
101 private DOMEntityOwnershipListener leaderMockListener;
104 private DOMEntityOwnershipListener leaderMockListener2;
107 private DOMEntityOwnershipListener follower1MockListener;
110 private DOMEntityOwnershipListener follower2MockListener;
113 public void setUp() {
114 MockitoAnnotations.initMocks(this);
115 InMemoryJournal.clear();
116 InMemorySnapshotStore.clear();
120 public void tearDown() {
121 for (MemberNode m : Lists.reverse(memberNodes)) {
127 private static DistributedEntityOwnershipService newOwnershipService(final AbstractDataStore datastore) {
128 return DistributedEntityOwnershipService.start(datastore.getActorUtils(),
129 EntityOwnerSelectionStrategyConfig.newBuilder().build());
133 public void testFunctionalityWithThreeNodes() throws Exception {
134 String name = "testFunctionalityWithThreeNodes";
135 MemberNode leaderNode = MemberNode.builder(memberNodes).akkaConfig("Member1").testName(name)
136 .moduleShardsConfig(MODULE_SHARDS_CONFIG).schemaContext(EOSTestUtils.SCHEMA_CONTEXT)
137 .createOperDatastore(false).datastoreContextBuilder(leaderDatastoreContextBuilder).build();
139 MemberNode follower1Node = MemberNode.builder(memberNodes).akkaConfig("Member2").testName(name)
140 .moduleShardsConfig(MODULE_SHARDS_CONFIG).schemaContext(EOSTestUtils.SCHEMA_CONTEXT)
141 .createOperDatastore(false).datastoreContextBuilder(followerDatastoreContextBuilder).build();
143 MemberNode follower2Node = MemberNode.builder(memberNodes).akkaConfig("Member3").testName(name)
144 .moduleShardsConfig(MODULE_SHARDS_CONFIG).schemaContext(EOSTestUtils.SCHEMA_CONTEXT)
145 .createOperDatastore(false).datastoreContextBuilder(followerDatastoreContextBuilder).build();
147 AbstractDataStore leaderDistributedDataStore = leaderNode.configDataStore();
149 leaderDistributedDataStore.waitTillReady();
150 follower1Node.configDataStore().waitTillReady();
151 follower2Node.configDataStore().waitTillReady();
153 final DOMEntityOwnershipService leaderEntityOwnershipService = newOwnershipService(leaderDistributedDataStore);
154 final DOMEntityOwnershipService follower1EntityOwnershipService =
155 newOwnershipService(follower1Node.configDataStore());
156 final DOMEntityOwnershipService follower2EntityOwnershipService =
157 newOwnershipService(follower2Node.configDataStore());
159 leaderNode.kit().waitUntilLeader(leaderNode.configDataStore().getActorUtils(), ENTITY_OWNERSHIP_SHARD_NAME);
161 leaderEntityOwnershipService.registerListener(ENTITY_TYPE1, leaderMockListener);
162 leaderEntityOwnershipService.registerListener(ENTITY_TYPE2, leaderMockListener2);
163 follower1EntityOwnershipService.registerListener(ENTITY_TYPE1, follower1MockListener);
165 // Register leader candidate for entity1 and verify it becomes owner
167 leaderEntityOwnershipService.registerCandidate(ENTITY1);
168 verify(leaderMockListener, timeout(5000)).ownershipChanged(ownershipChange(ENTITY1, false, true, true));
169 verify(follower1MockListener, timeout(5000)).ownershipChanged(ownershipChange(ENTITY1, false, false, true));
170 reset(leaderMockListener, follower1MockListener);
172 verifyGetOwnershipState(leaderEntityOwnershipService, ENTITY1, EntityOwnershipState.IS_OWNER);
173 verifyGetOwnershipState(follower1EntityOwnershipService, ENTITY1, EntityOwnershipState.OWNED_BY_OTHER);
175 // Register leader candidate for entity1_2 (same id, different type) and verify it becomes owner
177 leaderEntityOwnershipService.registerCandidate(ENTITY1_2);
178 verify(leaderMockListener2, timeout(5000)).ownershipChanged(ownershipChange(ENTITY1_2, false, true, true));
179 Uninterruptibles.sleepUninterruptibly(300, TimeUnit.MILLISECONDS);
180 verify(leaderMockListener, never()).ownershipChanged(ownershipChange(ENTITY1_2));
181 reset(leaderMockListener2);
183 // Register follower1 candidate for entity1 and verify it gets added but doesn't become owner
185 follower1EntityOwnershipService.registerCandidate(ENTITY1);
186 verifyCandidates(leaderDistributedDataStore, ENTITY1, "member-1", "member-2");
187 verifyOwner(leaderDistributedDataStore, ENTITY1, "member-1");
188 verifyOwner(follower2Node.configDataStore(), ENTITY1, "member-1");
189 Uninterruptibles.sleepUninterruptibly(300, TimeUnit.MILLISECONDS);
190 verify(leaderMockListener, never()).ownershipChanged(ownershipChange(ENTITY1));
191 verify(follower1MockListener, never()).ownershipChanged(ownershipChange(ENTITY1));
193 // Register follower1 candidate for entity2 and verify it becomes owner
195 final DOMEntityOwnershipCandidateRegistration follower1Entity2Reg =
196 follower1EntityOwnershipService.registerCandidate(ENTITY2);
197 verify(follower1MockListener, timeout(5000)).ownershipChanged(ownershipChange(ENTITY2, false, true, true));
198 verify(leaderMockListener, timeout(5000)).ownershipChanged(ownershipChange(ENTITY2, false, false, true));
199 verifyOwner(follower2Node.configDataStore(), ENTITY2, "member-2");
200 reset(leaderMockListener, follower1MockListener);
202 // Register follower2 candidate for entity2 and verify it gets added but doesn't become owner
204 follower2EntityOwnershipService.registerListener(ENTITY_TYPE1, follower2MockListener);
205 verify(follower2MockListener, timeout(5000).times(2)).ownershipChanged(or(
206 ownershipChange(ENTITY1, false, false, true), ownershipChange(ENTITY2, false, false, true)));
208 follower2EntityOwnershipService.registerCandidate(ENTITY2);
209 verifyCandidates(leaderDistributedDataStore, ENTITY2, "member-2", "member-3");
210 verifyOwner(leaderDistributedDataStore, ENTITY2, "member-2");
212 // Unregister follower1 candidate for entity2 and verify follower2 becomes owner
214 follower1Entity2Reg.close();
215 verifyCandidates(leaderDistributedDataStore, ENTITY2, "member-3");
216 verifyOwner(leaderDistributedDataStore, ENTITY2, "member-3");
217 verify(follower1MockListener, timeout(5000)).ownershipChanged(ownershipChange(ENTITY2, true, false, true));
218 verify(leaderMockListener, timeout(5000)).ownershipChanged(ownershipChange(ENTITY2, false, false, true));
220 // Depending on timing, follower2MockListener could get ownershipChanged with "false, false, true" if
221 // if the original ownership change with "member-2 is replicated to follower2 after the listener is
223 Uninterruptibles.sleepUninterruptibly(500, TimeUnit.MILLISECONDS);
224 verify(follower2MockListener, timeout(5000)).ownershipChanged(ownershipChange(ENTITY2, false, true, true));
226 // Register follower1 candidate for entity3 and verify it becomes owner
228 follower1EntityOwnershipService.registerCandidate(ENTITY3);
229 verifyOwner(leaderDistributedDataStore, ENTITY3, "member-2");
230 verify(follower1MockListener, timeout(5000)).ownershipChanged(ownershipChange(ENTITY3, false, true, true));
231 verify(follower2MockListener, timeout(5000)).ownershipChanged(ownershipChange(ENTITY3, false, false, true));
232 verify(leaderMockListener, timeout(5000)).ownershipChanged(ownershipChange(ENTITY3, false, false, true));
234 // Register follower2 candidate for entity4 and verify it becomes owner
236 follower2EntityOwnershipService.registerCandidate(ENTITY4);
237 verifyOwner(leaderDistributedDataStore, ENTITY4, "member-3");
238 verify(follower2MockListener, timeout(5000)).ownershipChanged(ownershipChange(ENTITY4, false, true, true));
239 verify(follower1MockListener, timeout(5000)).ownershipChanged(ownershipChange(ENTITY4, false, false, true));
240 verify(leaderMockListener, timeout(5000)).ownershipChanged(ownershipChange(ENTITY4, false, false, true));
241 reset(follower1MockListener, follower2MockListener);
243 // Register follower1 candidate for entity4 and verify it gets added but doesn't become owner
245 follower1EntityOwnershipService.registerCandidate(ENTITY4);
246 verifyCandidates(leaderDistributedDataStore, ENTITY4, "member-3", "member-2");
247 verifyOwner(leaderDistributedDataStore, ENTITY4, "member-3");
249 // Shutdown follower2 and verify it's owned entities (entity 4) get re-assigned
251 reset(leaderMockListener, follower1MockListener);
252 follower2Node.cleanup();
254 verify(follower1MockListener, timeout(15000)).ownershipChanged(ownershipChange(ENTITY4, false, true, true));
255 verify(leaderMockListener, timeout(15000)).ownershipChanged(ownershipChange(ENTITY4, false, false, true));
257 // Register leader candidate for entity2 and verify it becomes owner
259 DOMEntityOwnershipCandidateRegistration leaderEntity2Reg =
260 leaderEntityOwnershipService.registerCandidate(ENTITY2);
261 verifyOwner(leaderDistributedDataStore, ENTITY2, "member-1");
262 verify(leaderMockListener, timeout(5000)).ownershipChanged(ownershipChange(ENTITY2, false, true, true));
264 // Unregister leader candidate for entity2 and verify the owner is cleared
266 leaderEntity2Reg.close();
267 verifyOwner(leaderDistributedDataStore, ENTITY2, "");
268 verify(leaderMockListener, timeout(5000)).ownershipChanged(ownershipChange(ENTITY2, true, false, false));
269 verify(follower1MockListener, timeout(5000)).ownershipChanged(ownershipChange(ENTITY2, false, false, false));
273 public void testLeaderEntityOwnersReassignedAfterShutdown() throws Exception {
274 followerDatastoreContextBuilder.shardElectionTimeoutFactor(5)
275 .customRaftPolicyImplementation(DisableElectionsRaftPolicy.class.getName());
277 String name = "testLeaderEntityOwnersReassignedAfterShutdown";
278 MemberNode leaderNode = MemberNode.builder(memberNodes).akkaConfig("Member1").testName(name)
279 .moduleShardsConfig(MODULE_SHARDS_CONFIG).schemaContext(EOSTestUtils.SCHEMA_CONTEXT)
280 .createOperDatastore(false).datastoreContextBuilder(leaderDatastoreContextBuilder).build();
282 MemberNode follower1Node = MemberNode.builder(memberNodes).akkaConfig("Member2").testName(name)
283 .moduleShardsConfig(MODULE_SHARDS_CONFIG).schemaContext(EOSTestUtils.SCHEMA_CONTEXT)
284 .createOperDatastore(false).datastoreContextBuilder(followerDatastoreContextBuilder).build();
286 MemberNode follower2Node = MemberNode.builder(memberNodes).akkaConfig("Member3").testName(name)
287 .moduleShardsConfig(MODULE_SHARDS_CONFIG).schemaContext(EOSTestUtils.SCHEMA_CONTEXT)
288 .createOperDatastore(false).datastoreContextBuilder(followerDatastoreContextBuilder).build();
290 AbstractDataStore leaderDistributedDataStore = leaderNode.configDataStore();
292 leaderDistributedDataStore.waitTillReady();
293 follower1Node.configDataStore().waitTillReady();
294 follower2Node.configDataStore().waitTillReady();
296 follower1Node.waitForMembersUp("member-1", "member-3");
298 final DOMEntityOwnershipService leaderEntityOwnershipService = newOwnershipService(leaderDistributedDataStore);
299 final DOMEntityOwnershipService follower1EntityOwnershipService =
300 newOwnershipService(follower1Node.configDataStore());
301 final DOMEntityOwnershipService follower2EntityOwnershipService =
302 newOwnershipService(follower2Node.configDataStore());
304 leaderNode.kit().waitUntilLeader(leaderNode.configDataStore().getActorUtils(), ENTITY_OWNERSHIP_SHARD_NAME);
306 // Register follower1 candidate for entity1 and verify it becomes owner
308 follower1EntityOwnershipService.registerCandidate(ENTITY1);
309 verifyOwner(leaderDistributedDataStore, ENTITY1, "member-2");
311 // Register leader candidate for entity1
313 leaderEntityOwnershipService.registerCandidate(ENTITY1);
314 verifyCandidates(leaderDistributedDataStore, ENTITY1, "member-2", "member-1");
315 verifyOwner(leaderDistributedDataStore, ENTITY1, "member-2");
317 // Register leader candidate for entity2 and verify it becomes owner
319 leaderEntityOwnershipService.registerCandidate(ENTITY2);
320 verifyOwner(leaderDistributedDataStore, ENTITY2, "member-1");
322 // Register follower2 candidate for entity2
324 follower2EntityOwnershipService.registerCandidate(ENTITY2);
325 verifyCandidates(leaderDistributedDataStore, ENTITY2, "member-1", "member-3");
326 verifyOwner(leaderDistributedDataStore, ENTITY2, "member-1");
328 // Re-enable elections on all remaining followers so one becomes the new leader
330 ActorRef follower1Shard = IntegrationTestKit.findLocalShard(follower1Node.configDataStore().getActorUtils(),
331 ENTITY_OWNERSHIP_SHARD_NAME);
332 follower1Shard.tell(DatastoreContext.newBuilderFrom(followerDatastoreContextBuilder.build())
333 .customRaftPolicyImplementation(null).build(), ActorRef.noSender());
335 ActorRef follower2Shard = IntegrationTestKit.findLocalShard(follower2Node.configDataStore().getActorUtils(),
336 ENTITY_OWNERSHIP_SHARD_NAME);
337 follower2Shard.tell(DatastoreContext.newBuilderFrom(followerDatastoreContextBuilder.build())
338 .customRaftPolicyImplementation(null).build(), ActorRef.noSender());
340 // Shutdown the leader and verify its removed from the candidate list
342 leaderNode.cleanup();
343 follower1Node.waitForMemberDown("member-1");
344 follower2Node.waitForMemberDown("member-1");
346 // Verify the prior leader's entity owners are re-assigned.
348 verifyCandidates(follower1Node.configDataStore(), ENTITY1, "member-2", "member-1");
349 verifyCandidates(follower1Node.configDataStore(), ENTITY2, "member-1", "member-3");
350 verifyOwner(follower1Node.configDataStore(), ENTITY1, "member-2");
351 verifyOwner(follower1Node.configDataStore(), ENTITY2, "member-3");
355 public void testLeaderAndFollowerEntityOwnersReassignedAfterShutdown() throws Exception {
356 followerDatastoreContextBuilder.shardElectionTimeoutFactor(5)
357 .customRaftPolicyImplementation(DisableElectionsRaftPolicy.class.getName());
359 String name = "testLeaderAndFollowerEntityOwnersReassignedAfterShutdown";
360 final MemberNode leaderNode = MemberNode.builder(memberNodes).akkaConfig("Member1")
361 .useAkkaArtery(false).testName(name)
362 .moduleShardsConfig(MODULE_SHARDS_5_NODE_CONFIG)
363 .schemaContext(EOSTestUtils.SCHEMA_CONTEXT)
364 .createOperDatastore(false).datastoreContextBuilder(leaderDatastoreContextBuilder).build();
366 final MemberNode follower1Node = MemberNode.builder(memberNodes).akkaConfig("Member2")
367 .testName(name).moduleShardsConfig(MODULE_SHARDS_5_NODE_CONFIG)
368 .useAkkaArtery(false).schemaContext(EOSTestUtils.SCHEMA_CONTEXT)
369 .createOperDatastore(false).datastoreContextBuilder(followerDatastoreContextBuilder).build();
371 final MemberNode follower2Node = MemberNode.builder(memberNodes).akkaConfig("Member3")
372 .testName(name).moduleShardsConfig(MODULE_SHARDS_5_NODE_CONFIG)
373 .useAkkaArtery(false).schemaContext(EOSTestUtils.SCHEMA_CONTEXT)
374 .createOperDatastore(false).datastoreContextBuilder(followerDatastoreContextBuilder).build();
376 final MemberNode follower3Node = MemberNode.builder(memberNodes).akkaConfig("Member4")
377 .testName(name).moduleShardsConfig(MODULE_SHARDS_5_NODE_CONFIG)
378 .useAkkaArtery(false).schemaContext(EOSTestUtils.SCHEMA_CONTEXT)
379 .createOperDatastore(false).datastoreContextBuilder(followerDatastoreContextBuilder).build();
381 final MemberNode follower4Node = MemberNode.builder(memberNodes).akkaConfig("Member5")
382 .testName(name).moduleShardsConfig(MODULE_SHARDS_5_NODE_CONFIG)
383 .useAkkaArtery(false).schemaContext(EOSTestUtils.SCHEMA_CONTEXT)
384 .createOperDatastore(false).datastoreContextBuilder(followerDatastoreContextBuilder).build();
386 AbstractDataStore leaderDistributedDataStore = leaderNode.configDataStore();
388 leaderDistributedDataStore.waitTillReady();
389 follower1Node.configDataStore().waitTillReady();
390 follower2Node.configDataStore().waitTillReady();
391 follower3Node.configDataStore().waitTillReady();
392 follower4Node.configDataStore().waitTillReady();
394 leaderNode.waitForMembersUp("member-2", "member-3", "member-4", "member-5");
395 follower1Node.waitForMembersUp("member-1", "member-3", "member-4", "member-5");
397 final DOMEntityOwnershipService leaderEntityOwnershipService = newOwnershipService(leaderDistributedDataStore);
398 final DOMEntityOwnershipService follower1EntityOwnershipService =
399 newOwnershipService(follower1Node.configDataStore());
400 final DOMEntityOwnershipService follower2EntityOwnershipService =
401 newOwnershipService(follower2Node.configDataStore());
402 final DOMEntityOwnershipService follower3EntityOwnershipService =
403 newOwnershipService(follower3Node.configDataStore());
404 newOwnershipService(follower4Node.configDataStore());
406 leaderNode.kit().waitUntilLeader(leaderNode.configDataStore().getActorUtils(), ENTITY_OWNERSHIP_SHARD_NAME);
408 // Register follower1 candidate for entity1 and verify it becomes owner
410 follower1EntityOwnershipService.registerCandidate(ENTITY1);
411 verifyOwner(leaderDistributedDataStore, ENTITY1, "member-2");
413 // Register leader candidate for entity1
415 leaderEntityOwnershipService.registerCandidate(ENTITY1);
416 verifyCandidates(leaderDistributedDataStore, ENTITY1, "member-2", "member-1");
417 verifyOwner(leaderDistributedDataStore, ENTITY1, "member-2");
419 // Register leader candidate for entity2 and verify it becomes owner
421 leaderEntityOwnershipService.registerCandidate(ENTITY2);
422 verifyOwner(leaderDistributedDataStore, ENTITY2, "member-1");
424 // Register follower2 candidate for entity2
426 follower2EntityOwnershipService.registerCandidate(ENTITY2);
427 verifyCandidates(leaderDistributedDataStore, ENTITY2, "member-1", "member-3");
428 verifyOwner(leaderDistributedDataStore, ENTITY2, "member-1");
430 // Register follower3 as a candidate for entity2 as well
432 follower3EntityOwnershipService.registerCandidate(ENTITY2);
433 verifyCandidates(leaderDistributedDataStore, ENTITY2, "member-1", "member-3", "member-4");
434 verifyOwner(leaderDistributedDataStore, ENTITY2, "member-1");
436 // Re-enable elections on all remaining followers so one becomes the new leader
438 ActorRef follower1Shard = IntegrationTestKit.findLocalShard(follower1Node.configDataStore().getActorUtils(),
439 ENTITY_OWNERSHIP_SHARD_NAME);
440 follower1Shard.tell(DatastoreContext.newBuilderFrom(followerDatastoreContextBuilder.build())
441 .customRaftPolicyImplementation(null).build(), ActorRef.noSender());
443 ActorRef follower2Shard = IntegrationTestKit.findLocalShard(follower2Node.configDataStore().getActorUtils(),
444 ENTITY_OWNERSHIP_SHARD_NAME);
445 follower2Shard.tell(DatastoreContext.newBuilderFrom(followerDatastoreContextBuilder.build())
446 .customRaftPolicyImplementation(null).build(), ActorRef.noSender());
448 ActorRef follower4Shard = IntegrationTestKit.findLocalShard(follower4Node.configDataStore().getActorUtils(),
449 ENTITY_OWNERSHIP_SHARD_NAME);
450 follower4Shard.tell(DatastoreContext.newBuilderFrom(followerDatastoreContextBuilder.build())
451 .customRaftPolicyImplementation(null).build(), ActorRef.noSender());
453 // Shutdown the leader and follower3
455 leaderNode.cleanup();
457 follower1Node.waitForMemberDown("member-1");
458 follower2Node.waitForMemberDown("member-1");
459 follower4Node.waitForMemberDown("member-1");
461 follower3Node.cleanup();
463 follower1Node.waitForMemberDown("member-4");
464 follower2Node.waitForMemberDown("member-4");
465 follower4Node.waitForMemberDown("member-4");
467 // Verify the prior leader's and follower3 entity owners are re-assigned.
469 verifyCandidates(follower1Node.configDataStore(), ENTITY1, "member-2", "member-1");
470 verifyCandidates(follower1Node.configDataStore(), ENTITY2, "member-1", "member-3", "member-4");
471 verifyOwner(follower1Node.configDataStore(), ENTITY1, "member-2");
472 verifyOwner(follower1Node.configDataStore(), ENTITY2, "member-3");
476 * Reproduces bug <a href="https://bugs.opendaylight.org/show_bug.cgi?id=4554">4554</a>.
479 public void testCloseCandidateRegistrationInQuickSuccession() throws Exception {
480 String name = "testCloseCandidateRegistrationInQuickSuccession";
481 MemberNode leaderNode = MemberNode.builder(memberNodes).akkaConfig("Member1").testName(name)
482 .moduleShardsConfig(MODULE_SHARDS_CONFIG).schemaContext(EOSTestUtils.SCHEMA_CONTEXT)
483 .createOperDatastore(false).datastoreContextBuilder(leaderDatastoreContextBuilder).build();
485 MemberNode follower1Node = MemberNode.builder(memberNodes).akkaConfig("Member2").testName(name)
486 .moduleShardsConfig(MODULE_SHARDS_CONFIG).schemaContext(EOSTestUtils.SCHEMA_CONTEXT)
487 .createOperDatastore(false).datastoreContextBuilder(followerDatastoreContextBuilder).build();
489 MemberNode follower2Node = MemberNode.builder(memberNodes).akkaConfig("Member3").testName(name)
490 .moduleShardsConfig(MODULE_SHARDS_CONFIG).schemaContext(EOSTestUtils.SCHEMA_CONTEXT)
491 .createOperDatastore(false).datastoreContextBuilder(followerDatastoreContextBuilder).build();
493 AbstractDataStore leaderDistributedDataStore = leaderNode.configDataStore();
495 leaderDistributedDataStore.waitTillReady();
496 follower1Node.configDataStore().waitTillReady();
497 follower2Node.configDataStore().waitTillReady();
499 final DOMEntityOwnershipService leaderEntityOwnershipService = newOwnershipService(leaderDistributedDataStore);
500 final DOMEntityOwnershipService follower1EntityOwnershipService =
501 newOwnershipService(follower1Node.configDataStore());
502 final DOMEntityOwnershipService follower2EntityOwnershipService =
503 newOwnershipService(follower2Node.configDataStore());
505 leaderNode.kit().waitUntilLeader(leaderNode.configDataStore().getActorUtils(), ENTITY_OWNERSHIP_SHARD_NAME);
507 leaderEntityOwnershipService.registerListener(ENTITY_TYPE1, leaderMockListener);
508 follower1EntityOwnershipService.registerListener(ENTITY_TYPE1, follower1MockListener);
509 follower2EntityOwnershipService.registerListener(ENTITY_TYPE1, follower2MockListener);
511 final DOMEntityOwnershipCandidateRegistration candidate1 =
512 leaderEntityOwnershipService.registerCandidate(ENTITY1);
513 verify(leaderMockListener, timeout(5000)).ownershipChanged(ownershipChange(ENTITY1, false, true, true));
515 final DOMEntityOwnershipCandidateRegistration candidate2 =
516 follower1EntityOwnershipService.registerCandidate(ENTITY1);
517 verify(follower1MockListener, timeout(5000)).ownershipChanged(ownershipChange(ENTITY1, false, false, true));
519 final DOMEntityOwnershipCandidateRegistration candidate3 =
520 follower2EntityOwnershipService.registerCandidate(ENTITY1);
521 verify(follower2MockListener, timeout(5000)).ownershipChanged(ownershipChange(ENTITY1, false, false, true));
523 Mockito.reset(leaderMockListener, follower1MockListener, follower2MockListener);
525 ArgumentCaptor<DOMEntityOwnershipChange> leaderChangeCaptor =
526 ArgumentCaptor.forClass(DOMEntityOwnershipChange.class);
527 ArgumentCaptor<DOMEntityOwnershipChange> follower1ChangeCaptor =
528 ArgumentCaptor.forClass(DOMEntityOwnershipChange.class);
529 ArgumentCaptor<DOMEntityOwnershipChange> follower2ChangeCaptor =
530 ArgumentCaptor.forClass(DOMEntityOwnershipChange.class);
531 doNothing().when(leaderMockListener).ownershipChanged(leaderChangeCaptor.capture());
532 doNothing().when(follower1MockListener).ownershipChanged(follower1ChangeCaptor.capture());
533 doNothing().when(follower2MockListener).ownershipChanged(follower2ChangeCaptor.capture());
539 boolean passed = false;
540 for (int i = 0; i < 100; i++) {
541 Uninterruptibles.sleepUninterruptibly(50, TimeUnit.MILLISECONDS);
542 final Optional<EntityOwnershipState> leaderState = leaderEntityOwnershipService.getOwnershipState(ENTITY1);
543 final Optional<EntityOwnershipState> follower1State =
544 follower1EntityOwnershipService.getOwnershipState(ENTITY1);
545 final Optional<EntityOwnershipState> follower2State =
546 follower2EntityOwnershipService.getOwnershipState(ENTITY1);
547 final Optional<DOMEntityOwnershipChange> leaderChange = getValueSafely(leaderChangeCaptor);
548 final Optional<DOMEntityOwnershipChange> follower1Change = getValueSafely(follower1ChangeCaptor);
549 final Optional<DOMEntityOwnershipChange> follower2Change = getValueSafely(follower2ChangeCaptor);
550 if (!leaderState.isPresent() || leaderState.get() == EntityOwnershipState.NO_OWNER
551 && follower1State.isPresent() && follower1State.get() == EntityOwnershipState.NO_OWNER
552 && follower2State.isPresent() && follower2State.get() == EntityOwnershipState.NO_OWNER
553 && leaderChange.isPresent() && !leaderChange.get().getState().hasOwner()
554 && follower1Change.isPresent() && !follower1Change.get().getState().hasOwner()
555 && follower2Change.isPresent() && !follower2Change.get().getState().hasOwner()) {
561 assertTrue("No ownership change message was sent with hasOwner=false", passed);
564 private static Optional<DOMEntityOwnershipChange> getValueSafely(
565 final ArgumentCaptor<DOMEntityOwnershipChange> captor) {
567 return Optional.ofNullable(captor.getValue());
568 } catch (MockitoException e) {
569 // No value was captured
570 return Optional.empty();
575 * Tests bootstrapping the entity-ownership shard when there's no shards initially configured for local
576 * member. The entity-ownership shard is initially created as inactive (ie remains a follower), requiring
577 * an AddShardReplica request to join it to an existing leader.
580 public void testEntityOwnershipShardBootstrapping() throws Exception {
581 String name = "testEntityOwnershipShardBootstrapping";
582 String moduleShardsConfig = MODULE_SHARDS_MEMBER_1_CONFIG;
583 MemberNode leaderNode = MemberNode.builder(memberNodes).akkaConfig("Member1").testName(name)
584 .moduleShardsConfig(moduleShardsConfig).schemaContext(EOSTestUtils.SCHEMA_CONTEXT)
585 .createOperDatastore(false).datastoreContextBuilder(leaderDatastoreContextBuilder).build();
587 AbstractDataStore leaderDistributedDataStore = leaderNode.configDataStore();
588 final DOMEntityOwnershipService leaderEntityOwnershipService = newOwnershipService(leaderDistributedDataStore);
590 leaderNode.kit().waitUntilLeader(leaderNode.configDataStore().getActorUtils(), ENTITY_OWNERSHIP_SHARD_NAME);
592 MemberNode follower1Node = MemberNode.builder(memberNodes).akkaConfig("Member2").testName(name)
593 .moduleShardsConfig(moduleShardsConfig).schemaContext(EOSTestUtils.SCHEMA_CONTEXT)
594 .createOperDatastore(false).datastoreContextBuilder(followerDatastoreContextBuilder).build();
596 AbstractDataStore follower1DistributedDataStore = follower1Node.configDataStore();
597 follower1DistributedDataStore.waitTillReady();
599 leaderNode.waitForMembersUp("member-2");
600 follower1Node.waitForMembersUp("member-1");
602 DOMEntityOwnershipService follower1EntityOwnershipService = newOwnershipService(follower1DistributedDataStore);
604 leaderEntityOwnershipService.registerListener(ENTITY_TYPE1, leaderMockListener);
606 // Register a candidate for follower1 - should get queued since follower1 has no leader
607 final DOMEntityOwnershipCandidateRegistration candidateReg =
608 follower1EntityOwnershipService.registerCandidate(ENTITY1);
609 Uninterruptibles.sleepUninterruptibly(300, TimeUnit.MILLISECONDS);
610 verify(leaderMockListener, never()).ownershipChanged(ownershipChange(ENTITY1));
612 // Add replica in follower1
613 AddShardReplica addReplica = new AddShardReplica(ENTITY_OWNERSHIP_SHARD_NAME);
614 follower1DistributedDataStore.getActorUtils().getShardManager().tell(addReplica,
615 follower1Node.kit().getRef());
616 Object reply = follower1Node.kit().expectMsgAnyClassOf(follower1Node.kit().duration("5 sec"),
617 Success.class, Failure.class);
618 if (reply instanceof Failure) {
619 throw new AssertionError("AddShardReplica failed", ((Failure)reply).cause());
622 // The queued candidate registration should proceed
623 verify(leaderMockListener, timeout(5000)).ownershipChanged(ownershipChange(ENTITY1, false, false, true));
624 reset(leaderMockListener);
626 candidateReg.close();
627 verify(leaderMockListener, timeout(5000)).ownershipChanged(ownershipChange(ENTITY1, false, false, false));
628 reset(leaderMockListener);
630 // Restart follower1 and verify the entity ownership shard is re-instated by registering.
631 Cluster.get(leaderNode.kit().getSystem()).down(Cluster.get(follower1Node.kit().getSystem()).selfAddress());
632 follower1Node.cleanup();
634 follower1Node = MemberNode.builder(memberNodes).akkaConfig("Member2").testName(name)
635 .moduleShardsConfig(moduleShardsConfig).schemaContext(EOSTestUtils.SCHEMA_CONTEXT)
636 .createOperDatastore(false).datastoreContextBuilder(followerDatastoreContextBuilder).build();
637 follower1EntityOwnershipService = newOwnershipService(follower1Node.configDataStore());
639 follower1EntityOwnershipService.registerCandidate(ENTITY1);
640 verify(leaderMockListener, timeout(20000)).ownershipChanged(ownershipChange(ENTITY1, false, false, true));
642 verifyRaftState(follower1Node.configDataStore(), ENTITY_OWNERSHIP_SHARD_NAME, raftState -> {
643 assertNull("Custom RaftPolicy class name", raftState.getCustomRaftPolicyClassName());
644 assertEquals("Peer count", 1, raftState.getPeerAddresses().keySet().size());
645 assertThat("Peer Id", Iterables.<String>getLast(raftState.getPeerAddresses().keySet()),
646 org.hamcrest.CoreMatchers.containsString("member-1"));
651 public void testOwnerSelectedOnRapidUnregisteringAndRegisteringOfCandidates() throws Exception {
652 String name = "testOwnerSelectedOnRapidUnregisteringAndRegisteringOfCandidates";
653 MemberNode leaderNode = MemberNode.builder(memberNodes).akkaConfig("Member1").testName(name)
654 .moduleShardsConfig(MODULE_SHARDS_CONFIG).schemaContext(EOSTestUtils.SCHEMA_CONTEXT)
655 .createOperDatastore(false).datastoreContextBuilder(leaderDatastoreContextBuilder).build();
657 MemberNode follower1Node = MemberNode.builder(memberNodes).akkaConfig("Member2").testName(name)
658 .moduleShardsConfig(MODULE_SHARDS_CONFIG).schemaContext(EOSTestUtils.SCHEMA_CONTEXT)
659 .createOperDatastore(false).datastoreContextBuilder(followerDatastoreContextBuilder).build();
661 MemberNode follower2Node = MemberNode.builder(memberNodes).akkaConfig("Member3").testName(name)
662 .moduleShardsConfig(MODULE_SHARDS_CONFIG).schemaContext(EOSTestUtils.SCHEMA_CONTEXT)
663 .createOperDatastore(false).datastoreContextBuilder(followerDatastoreContextBuilder).build();
665 AbstractDataStore leaderDistributedDataStore = leaderNode.configDataStore();
667 leaderDistributedDataStore.waitTillReady();
668 follower1Node.configDataStore().waitTillReady();
669 follower2Node.configDataStore().waitTillReady();
671 final DOMEntityOwnershipService leaderEntityOwnershipService = newOwnershipService(leaderDistributedDataStore);
672 final DOMEntityOwnershipService follower1EntityOwnershipService =
673 newOwnershipService(follower1Node.configDataStore());
674 newOwnershipService(follower2Node.configDataStore());
676 leaderNode.kit().waitUntilLeader(leaderNode.configDataStore().getActorUtils(), ENTITY_OWNERSHIP_SHARD_NAME);
678 // Register leader candidate for entity1 and verify it becomes owner
680 DOMEntityOwnershipCandidateRegistration leaderEntity1Reg =
681 leaderEntityOwnershipService.registerCandidate(ENTITY1);
683 verifyCandidates(leaderDistributedDataStore, ENTITY1, "member-1");
684 verifyOwner(leaderDistributedDataStore, ENTITY1, "member-1");
686 leaderEntity1Reg.close();
687 follower1EntityOwnershipService.registerCandidate(ENTITY1);
689 verifyCandidates(leaderDistributedDataStore, ENTITY1, "member-2");
690 verifyOwner(leaderDistributedDataStore, ENTITY1, "member-2");
694 public void testOwnerSelectedOnRapidRegisteringAndUnregisteringOfCandidates() throws Exception {
695 String name = "testOwnerSelectedOnRapidRegisteringAndUnregisteringOfCandidates";
696 MemberNode leaderNode = MemberNode.builder(memberNodes).akkaConfig("Member1").testName(name)
697 .moduleShardsConfig(MODULE_SHARDS_CONFIG).schemaContext(EOSTestUtils.SCHEMA_CONTEXT)
698 .createOperDatastore(false).datastoreContextBuilder(leaderDatastoreContextBuilder).build();
700 MemberNode follower1Node = MemberNode.builder(memberNodes).akkaConfig("Member2").testName(name)
701 .moduleShardsConfig(MODULE_SHARDS_CONFIG).schemaContext(EOSTestUtils.SCHEMA_CONTEXT)
702 .createOperDatastore(false).datastoreContextBuilder(followerDatastoreContextBuilder).build();
704 MemberNode follower2Node = MemberNode.builder(memberNodes).akkaConfig("Member3").testName(name)
705 .moduleShardsConfig(MODULE_SHARDS_CONFIG).schemaContext(EOSTestUtils.SCHEMA_CONTEXT)
706 .createOperDatastore(false).datastoreContextBuilder(followerDatastoreContextBuilder).build();
708 AbstractDataStore leaderDistributedDataStore = leaderNode.configDataStore();
710 leaderDistributedDataStore.waitTillReady();
711 follower1Node.configDataStore().waitTillReady();
712 follower2Node.configDataStore().waitTillReady();
714 final DOMEntityOwnershipService leaderEntityOwnershipService = newOwnershipService(leaderDistributedDataStore);
715 final DOMEntityOwnershipService follower1EntityOwnershipService =
716 newOwnershipService(follower1Node.configDataStore());
717 newOwnershipService(follower2Node.configDataStore());
719 leaderNode.kit().waitUntilLeader(leaderNode.configDataStore().getActorUtils(), ENTITY_OWNERSHIP_SHARD_NAME);
721 // Register leader candidate for entity1 and verify it becomes owner
723 final DOMEntityOwnershipCandidateRegistration leaderEntity1Reg =
724 leaderEntityOwnershipService.registerCandidate(ENTITY1);
726 verifyCandidates(leaderDistributedDataStore, ENTITY1, "member-1");
727 verifyOwner(leaderDistributedDataStore, ENTITY1, "member-1");
729 follower1EntityOwnershipService.registerCandidate(ENTITY1);
730 leaderEntity1Reg.close();
732 verifyCandidates(leaderDistributedDataStore, ENTITY1, "member-2");
733 verifyOwner(leaderDistributedDataStore, ENTITY1, "member-2");
737 public void testEntityOwnershipWithNonVotingMembers() throws Exception {
738 followerDatastoreContextBuilder.shardElectionTimeoutFactor(5)
739 .customRaftPolicyImplementation(DisableElectionsRaftPolicy.class.getName());
741 String name = "testEntityOwnershipWithNonVotingMembers";
742 final MemberNode member1LeaderNode = MemberNode.builder(memberNodes).akkaConfig("Member1")
743 .useAkkaArtery(false).testName(name)
744 .moduleShardsConfig(MODULE_SHARDS_5_NODE_CONFIG).schemaContext(EOSTestUtils.SCHEMA_CONTEXT)
745 .createOperDatastore(false).datastoreContextBuilder(leaderDatastoreContextBuilder).build();
747 final MemberNode member2FollowerNode = MemberNode.builder(memberNodes).akkaConfig("Member2")
748 .useAkkaArtery(false).testName(name)
749 .moduleShardsConfig(MODULE_SHARDS_5_NODE_CONFIG).schemaContext(EOSTestUtils.SCHEMA_CONTEXT)
750 .createOperDatastore(false).datastoreContextBuilder(followerDatastoreContextBuilder).build();
752 final MemberNode member3FollowerNode = MemberNode.builder(memberNodes).akkaConfig("Member3")
753 .useAkkaArtery(false).testName(name)
754 .moduleShardsConfig(MODULE_SHARDS_5_NODE_CONFIG).schemaContext(EOSTestUtils.SCHEMA_CONTEXT)
755 .createOperDatastore(false).datastoreContextBuilder(followerDatastoreContextBuilder).build();
757 final MemberNode member4FollowerNode = MemberNode.builder(memberNodes).akkaConfig("Member4")
758 .useAkkaArtery(false).testName(name)
759 .moduleShardsConfig(MODULE_SHARDS_5_NODE_CONFIG).schemaContext(EOSTestUtils.SCHEMA_CONTEXT)
760 .createOperDatastore(false).datastoreContextBuilder(followerDatastoreContextBuilder).build();
762 final MemberNode member5FollowerNode = MemberNode.builder(memberNodes).akkaConfig("Member5")
763 .useAkkaArtery(false).testName(name)
764 .moduleShardsConfig(MODULE_SHARDS_5_NODE_CONFIG).schemaContext(EOSTestUtils.SCHEMA_CONTEXT)
765 .createOperDatastore(false).datastoreContextBuilder(followerDatastoreContextBuilder).build();
767 AbstractDataStore leaderDistributedDataStore = member1LeaderNode.configDataStore();
769 leaderDistributedDataStore.waitTillReady();
770 member2FollowerNode.configDataStore().waitTillReady();
771 member3FollowerNode.configDataStore().waitTillReady();
772 member4FollowerNode.configDataStore().waitTillReady();
773 member5FollowerNode.configDataStore().waitTillReady();
775 member1LeaderNode.waitForMembersUp("member-2", "member-3", "member-4", "member-5");
777 final DOMEntityOwnershipService member3EntityOwnershipService =
778 newOwnershipService(member3FollowerNode.configDataStore());
779 final DOMEntityOwnershipService member4EntityOwnershipService =
780 newOwnershipService(member4FollowerNode.configDataStore());
781 final DOMEntityOwnershipService member5EntityOwnershipService =
782 newOwnershipService(member5FollowerNode.configDataStore());
784 newOwnershipService(member1LeaderNode.configDataStore());
785 member1LeaderNode.kit().waitUntilLeader(member1LeaderNode.configDataStore().getActorUtils(),
786 ENTITY_OWNERSHIP_SHARD_NAME);
788 // Make member4 and member5 non-voting
790 Future<Object> future = Patterns.ask(leaderDistributedDataStore.getActorUtils().getShardManager(),
791 new ChangeShardMembersVotingStatus(ENTITY_OWNERSHIP_SHARD_NAME,
792 ImmutableMap.of("member-4", Boolean.FALSE, "member-5", Boolean.FALSE)),
793 new Timeout(10, TimeUnit.SECONDS));
794 Object response = Await.result(future, FiniteDuration.apply(10, TimeUnit.SECONDS));
795 if (response instanceof Throwable) {
796 throw new AssertionError("ChangeShardMembersVotingStatus failed", (Throwable)response);
799 assertNull("Expected null Success response. Actual " + response, response);
801 // Register member4 candidate for entity1 - it should not become owner since it's non-voting
803 member4EntityOwnershipService.registerCandidate(ENTITY1);
804 verifyCandidates(leaderDistributedDataStore, ENTITY1, "member-4");
806 // Register member5 candidate for entity2 - it should not become owner since it's non-voting
808 member5EntityOwnershipService.registerCandidate(ENTITY2);
809 verifyCandidates(leaderDistributedDataStore, ENTITY2, "member-5");
811 Uninterruptibles.sleepUninterruptibly(500, TimeUnit.MILLISECONDS);
812 verifyOwner(leaderDistributedDataStore, ENTITY1, "");
813 verifyOwner(leaderDistributedDataStore, ENTITY2, "");
815 // Register member3 candidate for entity1 - it should become owner since it's voting
817 member3EntityOwnershipService.registerCandidate(ENTITY1);
818 verifyCandidates(leaderDistributedDataStore, ENTITY1, "member-4", "member-3");
819 verifyOwner(leaderDistributedDataStore, ENTITY1, "member-3");
821 // Switch member4 and member5 back to voting and member3 non-voting. This should result in member4 and member5
822 // to become entity owners.
824 future = Patterns.ask(leaderDistributedDataStore.getActorUtils().getShardManager(),
825 new ChangeShardMembersVotingStatus(ENTITY_OWNERSHIP_SHARD_NAME,
826 ImmutableMap.of("member-3", Boolean.FALSE, "member-4", Boolean.TRUE, "member-5", Boolean.TRUE)),
827 new Timeout(10, TimeUnit.SECONDS));
828 response = Await.result(future, FiniteDuration.apply(10, TimeUnit.SECONDS));
829 if (response instanceof Throwable) {
830 throw new AssertionError("ChangeShardMembersVotingStatus failed", (Throwable)response);
833 assertNull("Expected null Success response. Actual " + response, response);
835 verifyOwner(leaderDistributedDataStore, ENTITY1, "member-4");
836 verifyOwner(leaderDistributedDataStore, ENTITY2, "member-5");
839 private static void verifyGetOwnershipState(final DOMEntityOwnershipService service, final DOMEntity entity,
840 final EntityOwnershipState expState) {
841 Optional<EntityOwnershipState> state = service.getOwnershipState(entity);
842 assertTrue("getOwnershipState present", state.isPresent());
843 assertEquals("EntityOwnershipState", expState, state.get());
846 private static void verifyCandidates(final AbstractDataStore dataStore, final DOMEntity entity,
847 final String... expCandidates) throws Exception {
848 AssertionError lastError = null;
849 Stopwatch sw = Stopwatch.createStarted();
850 while (sw.elapsed(TimeUnit.MILLISECONDS) <= 10000) {
851 Optional<NormalizedNode> possible = dataStore.newReadOnlyTransaction()
852 .read(entityPath(entity.getType(), entity.getIdentifier()).node(Candidate.QNAME))
853 .get(5, TimeUnit.SECONDS);
855 assertTrue("Candidates not found for " + entity, possible.isPresent());
856 Collection<String> actual = new ArrayList<>();
857 for (MapEntryNode candidate: ((MapNode)possible.get()).body()) {
858 actual.add(candidate.findChildByArg(CANDIDATE_NAME_NODE_ID).get().body().toString());
861 assertEquals("Candidates for " + entity, Arrays.asList(expCandidates), actual);
863 } catch (AssertionError e) {
865 Uninterruptibles.sleepUninterruptibly(300, TimeUnit.MILLISECONDS);
872 @SuppressWarnings("checkstyle:IllegalCatch")
873 private static void verifyOwner(final AbstractDataStore dataStore, final DOMEntity entity,
874 final String expOwner) {
875 AbstractEntityOwnershipTest.verifyOwner(expOwner, entity.getType(), entity.getIdentifier(), path -> {
877 return dataStore.newReadOnlyTransaction().read(path).get(5, TimeUnit.SECONDS).get();
878 } catch (Exception e) {