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.datastore.admin;
10 import static java.lang.Boolean.FALSE;
11 import static java.lang.Boolean.TRUE;
12 import static org.hamcrest.CoreMatchers.anyOf;
13 import static org.hamcrest.CoreMatchers.containsString;
14 import static org.junit.Assert.assertEquals;
15 import static org.junit.Assert.assertFalse;
16 import static org.junit.Assert.assertNotNull;
17 import static org.junit.Assert.assertNull;
18 import static org.junit.Assert.assertThat;
19 import static org.junit.Assert.assertTrue;
20 import static org.junit.Assert.fail;
21 import static org.opendaylight.controller.cluster.datastore.MemberNode.verifyNoShardPresent;
22 import static org.opendaylight.controller.cluster.datastore.MemberNode.verifyRaftPeersPresent;
23 import static org.opendaylight.controller.cluster.datastore.MemberNode.verifyRaftState;
25 import akka.actor.ActorRef;
26 import akka.actor.PoisonPill;
27 import akka.actor.Status.Success;
28 import akka.cluster.Cluster;
29 import com.google.common.base.Optional;
30 import com.google.common.collect.ImmutableList;
31 import com.google.common.collect.ImmutableMap;
32 import com.google.common.collect.Iterables;
33 import com.google.common.collect.Lists;
34 import com.google.common.collect.Sets;
36 import java.io.FileInputStream;
38 import java.util.AbstractMap.SimpleEntry;
39 import java.util.ArrayList;
40 import java.util.Arrays;
41 import java.util.HashMap;
42 import java.util.HashSet;
43 import java.util.List;
45 import java.util.Map.Entry;
47 import java.util.concurrent.TimeUnit;
48 import org.apache.commons.lang3.SerializationUtils;
49 import org.junit.After;
50 import org.junit.Before;
51 import org.junit.Test;
52 import org.opendaylight.controller.cluster.access.concepts.MemberName;
53 import org.opendaylight.controller.cluster.datastore.AbstractDataStore;
54 import org.opendaylight.controller.cluster.datastore.DatastoreContext;
55 import org.opendaylight.controller.cluster.datastore.MemberNode;
56 import org.opendaylight.controller.cluster.datastore.MemberNode.RaftStateVerifier;
57 import org.opendaylight.controller.cluster.datastore.Shard;
58 import org.opendaylight.controller.cluster.datastore.config.ModuleShardConfiguration;
59 import org.opendaylight.controller.cluster.datastore.identifiers.ShardIdentifier;
60 import org.opendaylight.controller.cluster.datastore.messages.CreateShard;
61 import org.opendaylight.controller.cluster.datastore.messages.DatastoreSnapshot;
62 import org.opendaylight.controller.cluster.raft.RaftState;
63 import org.opendaylight.controller.cluster.raft.ReplicatedLogImplEntry;
64 import org.opendaylight.controller.cluster.raft.persisted.ServerConfigurationPayload;
65 import org.opendaylight.controller.cluster.raft.persisted.ServerInfo;
66 import org.opendaylight.controller.cluster.raft.persisted.UpdateElectionTerm;
67 import org.opendaylight.controller.cluster.raft.utils.InMemoryJournal;
68 import org.opendaylight.controller.cluster.raft.utils.InMemorySnapshotStore;
69 import org.opendaylight.controller.md.cluster.datastore.model.CarsModel;
70 import org.opendaylight.controller.sal.core.spi.data.DOMStoreThreePhaseCommitCohort;
71 import org.opendaylight.controller.sal.core.spi.data.DOMStoreWriteTransaction;
72 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.cluster.admin.rev151013.AddReplicasForAllShardsOutput;
73 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.cluster.admin.rev151013.AddShardReplicaInputBuilder;
74 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.cluster.admin.rev151013.BackupDatastoreInputBuilder;
75 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.cluster.admin.rev151013.ChangeMemberVotingStatesForAllShardsInputBuilder;
76 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.cluster.admin.rev151013.ChangeMemberVotingStatesForAllShardsOutput;
77 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.cluster.admin.rev151013.ChangeMemberVotingStatesForShardInputBuilder;
78 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.cluster.admin.rev151013.DataStoreType;
79 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.cluster.admin.rev151013.FlipMemberVotingStatesForAllShardsOutput;
80 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.cluster.admin.rev151013.RemoveAllShardReplicasInputBuilder;
81 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.cluster.admin.rev151013.RemoveAllShardReplicasOutput;
82 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.cluster.admin.rev151013.RemoveShardReplicaInputBuilder;
83 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.cluster.admin.rev151013.member.voting.states.input.MemberVotingStateBuilder;
84 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.cluster.admin.rev151013.shard.result.output.ShardResult;
85 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.cluster.admin.rev151013.shard.result.output.ShardResultBuilder;
86 import org.opendaylight.yangtools.yang.common.RpcError;
87 import org.opendaylight.yangtools.yang.common.RpcResult;
88 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
91 * Unit tests for ClusterAdminRpcService.
93 * @author Thomas Pantelis
95 public class ClusterAdminRpcServiceTest {
96 private static final MemberName MEMBER_1 = MemberName.forName("member-1");
97 private static final MemberName MEMBER_2 = MemberName.forName("member-2");
98 private static final MemberName MEMBER_3 = MemberName.forName("member-3");
99 private final List<MemberNode> memberNodes = new ArrayList<>();
102 public void setUp() {
103 InMemoryJournal.clear();
104 InMemorySnapshotStore.clear();
108 public void tearDown() {
109 for (MemberNode m : Lists.reverse(memberNodes)) {
116 public void testBackupDatastore() throws Exception {
117 MemberNode node = MemberNode.builder(memberNodes).akkaConfig("Member1")
118 .moduleShardsConfig("module-shards-member1.conf").waitForShardLeader("cars", "people")
119 .testName("testBackupDatastore").build();
121 String fileName = "target/testBackupDatastore";
122 new File(fileName).delete();
124 ClusterAdminRpcService service = new ClusterAdminRpcService(node.configDataStore(), node.operDataStore());
126 RpcResult<Void> rpcResult = service .backupDatastore(new BackupDatastoreInputBuilder()
127 .setFilePath(fileName).build()).get(5, TimeUnit.SECONDS);
128 verifySuccessfulRpcResult(rpcResult);
130 try (FileInputStream fis = new FileInputStream(fileName)) {
131 List<DatastoreSnapshot> snapshots = SerializationUtils.deserialize(fis);
132 assertEquals("DatastoreSnapshot size", 2, snapshots.size());
134 ImmutableMap<String, DatastoreSnapshot> map = ImmutableMap.of(snapshots.get(0).getType(), snapshots.get(0),
135 snapshots.get(1).getType(), snapshots.get(1));
136 verifyDatastoreSnapshot(node.configDataStore().getActorContext().getDataStoreName(),
137 map.get(node.configDataStore().getActorContext().getDataStoreName()), "cars", "people");
139 new File(fileName).delete();
142 // Test failure by killing a shard.
144 node.configDataStore().getActorContext().getShardManager().tell(node.datastoreContextBuilder()
145 .shardInitializationTimeout(200, TimeUnit.MILLISECONDS).build(), ActorRef.noSender());
147 ActorRef carsShardActor = node.configDataStore().getActorContext().findLocalShard("cars").get();
148 node.kit().watch(carsShardActor);
149 carsShardActor.tell(PoisonPill.getInstance(), ActorRef.noSender());
150 node.kit().expectTerminated(carsShardActor);
152 rpcResult = service.backupDatastore(new BackupDatastoreInputBuilder().setFilePath(fileName).build())
153 .get(5, TimeUnit.SECONDS);
154 assertFalse("isSuccessful", rpcResult.isSuccessful());
155 assertEquals("getErrors", 1, rpcResult.getErrors().size());
158 private static void verifyDatastoreSnapshot(String type, DatastoreSnapshot datastoreSnapshot,
159 String... expShardNames) {
160 assertNotNull("Missing DatastoreSnapshot for type " + type, datastoreSnapshot);
161 Set<String> shardNames = new HashSet<>();
162 for (DatastoreSnapshot.ShardSnapshot s: datastoreSnapshot.getShardSnapshots()) {
163 shardNames.add(s.getName());
166 assertEquals("DatastoreSnapshot shard names", Sets.newHashSet(expShardNames), shardNames);
170 public void testAddShardReplica() throws Exception {
171 String name = "testAddShardReplica";
172 String moduleShardsConfig = "module-shards-cars-member-1.conf";
173 MemberNode leaderNode1 = MemberNode.builder(memberNodes).akkaConfig("Member1").testName(name)
174 .moduleShardsConfig(moduleShardsConfig).waitForShardLeader("cars").build();
176 MemberNode newReplicaNode2 = MemberNode.builder(memberNodes).akkaConfig("Member2").testName(name)
177 .moduleShardsConfig(moduleShardsConfig).build();
179 leaderNode1.waitForMembersUp("member-2");
181 doAddShardReplica(newReplicaNode2, "cars", "member-1");
183 MemberNode newReplicaNode3 = MemberNode.builder(memberNodes).akkaConfig("Member3").testName(name)
184 .moduleShardsConfig(moduleShardsConfig).build();
186 leaderNode1.waitForMembersUp("member-3");
187 newReplicaNode2.waitForMembersUp("member-3");
189 doAddShardReplica(newReplicaNode3, "cars", "member-1", "member-2");
191 verifyRaftPeersPresent(newReplicaNode2.configDataStore(), "cars", "member-1", "member-3");
192 verifyRaftPeersPresent(newReplicaNode2.operDataStore(), "cars", "member-1", "member-3");
194 // Write data to member-2's config datastore and read/verify via member-3
195 final NormalizedNode<?, ?> configCarsNode = writeCarsNodeAndVerify(newReplicaNode2.configDataStore(),
196 newReplicaNode3.configDataStore());
198 // Write data to member-3's oper datastore and read/verify via member-2
199 writeCarsNodeAndVerify(newReplicaNode3.operDataStore(), newReplicaNode2.operDataStore());
201 // Verify all data has been replicated. We expect 3 log entries and thus last applied index of 2 -
202 // 2 ServerConfigurationPayload entries and the transaction payload entry.
204 RaftStateVerifier verifier = raftState -> {
205 assertEquals("Commit index", 2, raftState.getCommitIndex());
206 assertEquals("Last applied index", 2, raftState.getLastApplied());
209 verifyRaftState(leaderNode1.configDataStore(), "cars", verifier);
210 verifyRaftState(leaderNode1.operDataStore(), "cars", verifier);
212 verifyRaftState(newReplicaNode2.configDataStore(), "cars", verifier);
213 verifyRaftState(newReplicaNode2.operDataStore(), "cars", verifier);
215 verifyRaftState(newReplicaNode3.configDataStore(), "cars", verifier);
216 verifyRaftState(newReplicaNode3.operDataStore(), "cars", verifier);
218 // Restart member-3 and verify the cars config shard is re-instated.
220 Cluster.get(leaderNode1.kit().getSystem()).down(Cluster.get(newReplicaNode3.kit().getSystem()).selfAddress());
221 newReplicaNode3.cleanup();
223 newReplicaNode3 = MemberNode.builder(memberNodes).akkaConfig("Member3").testName(name)
224 .moduleShardsConfig(moduleShardsConfig).createOperDatastore(false).build();
226 verifyRaftState(newReplicaNode3.configDataStore(), "cars", verifier);
227 readCarsNodeAndVerify(newReplicaNode3.configDataStore(), configCarsNode);
231 public void testAddShardReplicaFailures() throws Exception {
232 String name = "testAddShardReplicaFailures";
233 MemberNode memberNode = MemberNode.builder(memberNodes).akkaConfig("Member1").testName(name)
234 .moduleShardsConfig("module-shards-cars-member-1.conf").build();
236 ClusterAdminRpcService service = new ClusterAdminRpcService(memberNode.configDataStore(),
237 memberNode.operDataStore());
239 RpcResult<Void> rpcResult = service.addShardReplica(new AddShardReplicaInputBuilder()
240 .setDataStoreType(DataStoreType.Config).build()).get(10, TimeUnit.SECONDS);
241 verifyFailedRpcResult(rpcResult);
243 rpcResult = service.addShardReplica(new AddShardReplicaInputBuilder().setShardName("cars")
244 .build()).get(10, TimeUnit.SECONDS);
245 verifyFailedRpcResult(rpcResult);
247 rpcResult = service.addShardReplica(new AddShardReplicaInputBuilder().setShardName("people")
248 .setDataStoreType(DataStoreType.Config).build()).get(10, TimeUnit.SECONDS);
249 verifyFailedRpcResult(rpcResult);
252 private static NormalizedNode<?, ?> writeCarsNodeAndVerify(AbstractDataStore writeToStore,
253 AbstractDataStore readFromStore) throws Exception {
254 DOMStoreWriteTransaction writeTx = writeToStore.newWriteOnlyTransaction();
255 NormalizedNode<?, ?> carsNode = CarsModel.create();
256 writeTx.write(CarsModel.BASE_PATH, carsNode);
258 DOMStoreThreePhaseCommitCohort cohort = writeTx.ready();
259 Boolean canCommit = cohort.canCommit().get(7, TimeUnit.SECONDS);
260 assertEquals("canCommit", TRUE, canCommit);
261 cohort.preCommit().get(5, TimeUnit.SECONDS);
262 cohort.commit().get(5, TimeUnit.SECONDS);
264 readCarsNodeAndVerify(readFromStore, carsNode);
268 private static void readCarsNodeAndVerify(AbstractDataStore readFromStore,
269 NormalizedNode<?, ?> expCarsNode) throws Exception {
270 Optional<NormalizedNode<?, ?>> optional = readFromStore.newReadOnlyTransaction()
271 .read(CarsModel.BASE_PATH).get(15, TimeUnit.SECONDS);
272 assertTrue("isPresent", optional.isPresent());
273 assertEquals("Data node", expCarsNode, optional.get());
276 private static void doAddShardReplica(MemberNode memberNode, String shardName, String... peerMemberNames)
278 memberNode.waitForMembersUp(peerMemberNames);
280 ClusterAdminRpcService service = new ClusterAdminRpcService(memberNode.configDataStore(),
281 memberNode.operDataStore());
283 RpcResult<Void> rpcResult = service.addShardReplica(new AddShardReplicaInputBuilder().setShardName(shardName)
284 .setDataStoreType(DataStoreType.Config).build()).get(10, TimeUnit.SECONDS);
285 verifySuccessfulRpcResult(rpcResult);
287 verifyRaftPeersPresent(memberNode.configDataStore(), shardName, peerMemberNames);
289 Optional<ActorRef> optional = memberNode.operDataStore().getActorContext().findLocalShard(shardName);
290 assertFalse("Oper shard present", optional.isPresent());
292 rpcResult = service.addShardReplica(new AddShardReplicaInputBuilder().setShardName(shardName)
293 .setDataStoreType(DataStoreType.Operational).build()).get(10, TimeUnit.SECONDS);
294 verifySuccessfulRpcResult(rpcResult);
296 verifyRaftPeersPresent(memberNode.operDataStore(), shardName, peerMemberNames);
299 private static <T> T verifySuccessfulRpcResult(RpcResult<T> rpcResult) {
300 if (!rpcResult.isSuccessful()) {
301 if (rpcResult.getErrors().size() > 0) {
302 RpcError error = Iterables.getFirst(rpcResult.getErrors(), null);
303 throw new AssertionError("Rpc failed with error: " + error, error.getCause());
306 fail("Rpc failed with no error");
309 return rpcResult.getResult();
312 private static void verifyFailedRpcResult(RpcResult<Void> rpcResult) {
313 assertFalse("RpcResult", rpcResult.isSuccessful());
314 assertEquals("RpcResult errors size", 1, rpcResult.getErrors().size());
315 RpcError error = Iterables.getFirst(rpcResult.getErrors(), null);
316 assertNotNull("RpcResult error message null", error.getMessage());
320 public void testRemoveShardReplica() throws Exception {
321 String name = "testRemoveShardReplica";
322 String moduleShardsConfig = "module-shards-member1-and-2-and-3.conf";
323 final MemberNode leaderNode1 = MemberNode.builder(memberNodes).akkaConfig("Member1").testName(name)
324 .moduleShardsConfig(moduleShardsConfig).datastoreContextBuilder(
325 DatastoreContext.newBuilder().shardHeartbeatIntervalInMillis(300).shardElectionTimeoutFactor(1))
328 final MemberNode replicaNode2 = MemberNode.builder(memberNodes).akkaConfig("Member2").testName(name)
329 .moduleShardsConfig(moduleShardsConfig).build();
331 final MemberNode replicaNode3 = MemberNode.builder(memberNodes).akkaConfig("Member3").testName(name)
332 .moduleShardsConfig(moduleShardsConfig).build();
334 leaderNode1.configDataStore().waitTillReady();
335 replicaNode3.configDataStore().waitTillReady();
336 verifyRaftPeersPresent(leaderNode1.configDataStore(), "cars", "member-2", "member-3");
337 verifyRaftPeersPresent(replicaNode2.configDataStore(), "cars", "member-1", "member-3");
338 verifyRaftPeersPresent(replicaNode3.configDataStore(), "cars", "member-1", "member-2");
340 // Invoke RPC service on member-3 to remove it's local shard
342 ClusterAdminRpcService service3 = new ClusterAdminRpcService(replicaNode3.configDataStore(),
343 replicaNode3.operDataStore());
345 RpcResult<Void> rpcResult = service3.removeShardReplica(new RemoveShardReplicaInputBuilder()
346 .setShardName("cars").setMemberName("member-3").setDataStoreType(DataStoreType.Config).build())
347 .get(10, TimeUnit.SECONDS);
348 verifySuccessfulRpcResult(rpcResult);
350 verifyRaftPeersPresent(leaderNode1.configDataStore(), "cars", "member-2");
351 verifyRaftPeersPresent(replicaNode2.configDataStore(), "cars", "member-1");
352 verifyNoShardPresent(replicaNode3.configDataStore(), "cars");
354 // Restart member-2 and verify member-3 isn't present.
356 Cluster.get(leaderNode1.kit().getSystem()).down(Cluster.get(replicaNode2.kit().getSystem()).selfAddress());
357 replicaNode2.cleanup();
359 MemberNode newPeplicaNode2 = MemberNode.builder(memberNodes).akkaConfig("Member2").testName(name)
360 .moduleShardsConfig(moduleShardsConfig).build();
362 newPeplicaNode2.configDataStore().waitTillReady();
363 verifyRaftPeersPresent(newPeplicaNode2.configDataStore(), "cars", "member-1");
365 // Invoke RPC service on member-1 to remove member-2
367 ClusterAdminRpcService service1 = new ClusterAdminRpcService(leaderNode1.configDataStore(),
368 leaderNode1.operDataStore());
370 rpcResult = service1.removeShardReplica(new RemoveShardReplicaInputBuilder().setShardName("cars")
371 .setMemberName("member-2").setDataStoreType(DataStoreType.Config).build()).get(10, TimeUnit.SECONDS);
372 verifySuccessfulRpcResult(rpcResult);
374 verifyRaftPeersPresent(leaderNode1.configDataStore(), "cars");
375 verifyNoShardPresent(newPeplicaNode2.configDataStore(), "cars");
379 public void testRemoveShardLeaderReplica() throws Exception {
380 String name = "testRemoveShardLeaderReplica";
381 String moduleShardsConfig = "module-shards-member1-and-2-and-3.conf";
382 final MemberNode leaderNode1 = MemberNode.builder(memberNodes).akkaConfig("Member1").testName(name)
383 .moduleShardsConfig(moduleShardsConfig).datastoreContextBuilder(
384 DatastoreContext.newBuilder().shardHeartbeatIntervalInMillis(300).shardElectionTimeoutFactor(1))
387 final MemberNode replicaNode2 = MemberNode.builder(memberNodes).akkaConfig("Member2").testName(name)
388 .moduleShardsConfig(moduleShardsConfig).build();
390 final MemberNode replicaNode3 = MemberNode.builder(memberNodes).akkaConfig("Member3").testName(name)
391 .moduleShardsConfig(moduleShardsConfig).build();
393 leaderNode1.configDataStore().waitTillReady();
394 verifyRaftPeersPresent(leaderNode1.configDataStore(), "cars", "member-2", "member-3");
395 verifyRaftPeersPresent(replicaNode2.configDataStore(), "cars", "member-1", "member-3");
396 verifyRaftPeersPresent(replicaNode3.configDataStore(), "cars", "member-1", "member-2");
398 replicaNode2.waitForMembersUp("member-1", "member-3");
399 replicaNode3.waitForMembersUp("member-1", "member-2");
401 // Invoke RPC service on leader member-1 to remove it's local shard
403 ClusterAdminRpcService service1 = new ClusterAdminRpcService(leaderNode1.configDataStore(),
404 leaderNode1.operDataStore());
406 RpcResult<Void> rpcResult = service1.removeShardReplica(new RemoveShardReplicaInputBuilder()
407 .setShardName("cars").setMemberName("member-1").setDataStoreType(DataStoreType.Config).build())
408 .get(10, TimeUnit.SECONDS);
409 verifySuccessfulRpcResult(rpcResult);
411 verifyRaftState(replicaNode2.configDataStore(), "cars", raftState ->
412 assertThat("Leader Id", raftState.getLeader(), anyOf(containsString("member-2"),
413 containsString("member-3"))));
415 verifyRaftPeersPresent(replicaNode2.configDataStore(), "cars", "member-3");
416 verifyRaftPeersPresent(replicaNode3.configDataStore(), "cars", "member-2");
417 verifyNoShardPresent(leaderNode1.configDataStore(), "cars");
421 public void testAddReplicasForAllShards() throws Exception {
422 String name = "testAddReplicasForAllShards";
423 String moduleShardsConfig = "module-shards-member1.conf";
424 MemberNode leaderNode1 = MemberNode.builder(memberNodes).akkaConfig("Member1").testName(name)
425 .moduleShardsConfig(moduleShardsConfig).waitForShardLeader("cars", "people").build();
427 ModuleShardConfiguration petsModuleConfig = new ModuleShardConfiguration(URI.create("pets-ns"), "pets-module",
428 "pets", null, Arrays.asList(MEMBER_1));
429 leaderNode1.configDataStore().getActorContext().getShardManager().tell(
430 new CreateShard(petsModuleConfig, Shard.builder(), null), leaderNode1.kit().getRef());
431 leaderNode1.kit().expectMsgClass(Success.class);
432 leaderNode1.kit().waitUntilLeader(leaderNode1.configDataStore().getActorContext(), "pets");
434 MemberNode newReplicaNode2 = MemberNode.builder(memberNodes).akkaConfig("Member2").testName(name)
435 .moduleShardsConfig(moduleShardsConfig).build();
437 leaderNode1.waitForMembersUp("member-2");
438 newReplicaNode2.waitForMembersUp("member-1");
440 newReplicaNode2.configDataStore().getActorContext().getShardManager().tell(
441 new CreateShard(petsModuleConfig, Shard.builder(), null), newReplicaNode2.kit().getRef());
442 newReplicaNode2.kit().expectMsgClass(Success.class);
444 newReplicaNode2.operDataStore().getActorContext().getShardManager().tell(
445 new CreateShard(new ModuleShardConfiguration(URI.create("no-leader-ns"), "no-leader-module",
446 "no-leader", null, Arrays.asList(MEMBER_1)), Shard.builder(), null),
447 newReplicaNode2.kit().getRef());
448 newReplicaNode2.kit().expectMsgClass(Success.class);
450 ClusterAdminRpcService service = new ClusterAdminRpcService(newReplicaNode2.configDataStore(),
451 newReplicaNode2.operDataStore());
453 RpcResult<AddReplicasForAllShardsOutput> rpcResult =
454 service.addReplicasForAllShards().get(10, TimeUnit.SECONDS);
455 AddReplicasForAllShardsOutput result = verifySuccessfulRpcResult(rpcResult);
456 verifyShardResults(result.getShardResult(), successShardResult("cars", DataStoreType.Config),
457 successShardResult("people", DataStoreType.Config),
458 successShardResult("pets", DataStoreType.Config),
459 successShardResult("cars", DataStoreType.Operational),
460 successShardResult("people", DataStoreType.Operational),
461 failedShardResult("no-leader", DataStoreType.Operational));
463 verifyRaftPeersPresent(newReplicaNode2.configDataStore(), "cars", "member-1");
464 verifyRaftPeersPresent(newReplicaNode2.configDataStore(), "people", "member-1");
465 verifyRaftPeersPresent(newReplicaNode2.configDataStore(), "pets", "member-1");
466 verifyRaftPeersPresent(newReplicaNode2.operDataStore(), "cars", "member-1");
467 verifyRaftPeersPresent(newReplicaNode2.operDataStore(), "people", "member-1");
471 public void testRemoveAllShardReplicas() throws Exception {
472 String name = "testRemoveAllShardReplicas";
473 String moduleShardsConfig = "module-shards-member1-and-2-and-3.conf";
474 final MemberNode leaderNode1 = MemberNode.builder(memberNodes).akkaConfig("Member1").testName(name)
475 .moduleShardsConfig(moduleShardsConfig).datastoreContextBuilder(
476 DatastoreContext.newBuilder().shardHeartbeatIntervalInMillis(300).shardElectionTimeoutFactor(1))
479 final MemberNode replicaNode2 = MemberNode.builder(memberNodes).akkaConfig("Member2").testName(name)
480 .moduleShardsConfig(moduleShardsConfig).build();
482 final MemberNode replicaNode3 = MemberNode.builder(memberNodes).akkaConfig("Member3").testName(name)
483 .moduleShardsConfig(moduleShardsConfig).build();
485 leaderNode1.configDataStore().waitTillReady();
486 verifyRaftPeersPresent(leaderNode1.configDataStore(), "cars", "member-2", "member-3");
487 verifyRaftPeersPresent(replicaNode2.configDataStore(), "cars", "member-1", "member-3");
488 verifyRaftPeersPresent(replicaNode3.configDataStore(), "cars", "member-1", "member-2");
490 ModuleShardConfiguration petsModuleConfig = new ModuleShardConfiguration(URI.create("pets-ns"), "pets-module",
491 "pets", null, Arrays.asList(MEMBER_1, MEMBER_2, MEMBER_3));
492 leaderNode1.configDataStore().getActorContext().getShardManager().tell(
493 new CreateShard(petsModuleConfig, Shard.builder(), null), leaderNode1.kit().getRef());
494 leaderNode1.kit().expectMsgClass(Success.class);
496 replicaNode2.configDataStore().getActorContext().getShardManager().tell(
497 new CreateShard(petsModuleConfig, Shard.builder(), null), replicaNode2.kit().getRef());
498 replicaNode2.kit().expectMsgClass(Success.class);
500 replicaNode3.configDataStore().getActorContext().getShardManager().tell(
501 new CreateShard(petsModuleConfig, Shard.builder(), null), replicaNode3.kit().getRef());
502 replicaNode3.kit().expectMsgClass(Success.class);
504 verifyRaftPeersPresent(leaderNode1.configDataStore(), "pets", "member-2", "member-3");
505 verifyRaftPeersPresent(replicaNode2.configDataStore(), "pets", "member-1", "member-3");
506 verifyRaftPeersPresent(replicaNode3.configDataStore(), "pets", "member-1", "member-2");
508 ClusterAdminRpcService service3 = new ClusterAdminRpcService(replicaNode3.configDataStore(),
509 replicaNode3.operDataStore());
511 RpcResult<RemoveAllShardReplicasOutput> rpcResult = service3.removeAllShardReplicas(
512 new RemoveAllShardReplicasInputBuilder().setMemberName("member-3").build()).get(10, TimeUnit.SECONDS);
513 RemoveAllShardReplicasOutput result = verifySuccessfulRpcResult(rpcResult);
514 verifyShardResults(result.getShardResult(), successShardResult("cars", DataStoreType.Config),
515 successShardResult("people", DataStoreType.Config),
516 successShardResult("pets", DataStoreType.Config),
517 successShardResult("cars", DataStoreType.Operational),
518 successShardResult("people", DataStoreType.Operational));
520 verifyRaftPeersPresent(leaderNode1.configDataStore(), "cars", "member-2");
521 verifyRaftPeersPresent(leaderNode1.configDataStore(), "people", "member-2");
522 verifyRaftPeersPresent(leaderNode1.configDataStore(), "pets", "member-2");
523 verifyRaftPeersPresent(replicaNode2.configDataStore(), "cars", "member-1");
524 verifyRaftPeersPresent(replicaNode2.configDataStore(), "people", "member-1");
525 verifyRaftPeersPresent(replicaNode2.configDataStore(), "pets", "member-1");
526 verifyNoShardPresent(replicaNode3.configDataStore(), "cars");
527 verifyNoShardPresent(replicaNode3.configDataStore(), "people");
528 verifyNoShardPresent(replicaNode3.configDataStore(), "pets");
532 public void testChangeMemberVotingStatesForShard() throws Exception {
533 String name = "testChangeMemberVotingStatusForShard";
534 String moduleShardsConfig = "module-shards-member1-and-2-and-3.conf";
535 final MemberNode leaderNode1 = MemberNode.builder(memberNodes).akkaConfig("Member1").testName(name)
536 .moduleShardsConfig(moduleShardsConfig).datastoreContextBuilder(
537 DatastoreContext.newBuilder().shardHeartbeatIntervalInMillis(300).shardElectionTimeoutFactor(1))
540 final MemberNode replicaNode2 = MemberNode.builder(memberNodes).akkaConfig("Member2").testName(name)
541 .moduleShardsConfig(moduleShardsConfig).build();
543 final MemberNode replicaNode3 = MemberNode.builder(memberNodes).akkaConfig("Member3").testName(name)
544 .moduleShardsConfig(moduleShardsConfig).build();
546 leaderNode1.configDataStore().waitTillReady();
547 replicaNode3.configDataStore().waitTillReady();
548 verifyRaftPeersPresent(leaderNode1.configDataStore(), "cars", "member-2", "member-3");
549 verifyRaftPeersPresent(replicaNode2.configDataStore(), "cars", "member-1", "member-3");
550 verifyRaftPeersPresent(replicaNode3.configDataStore(), "cars", "member-1", "member-2");
552 // Invoke RPC service on member-3 to change voting status
554 ClusterAdminRpcService service3 = new ClusterAdminRpcService(replicaNode3.configDataStore(),
555 replicaNode3.operDataStore());
557 RpcResult<Void> rpcResult = service3
558 .changeMemberVotingStatesForShard(new ChangeMemberVotingStatesForShardInputBuilder()
559 .setShardName("cars").setDataStoreType(DataStoreType.Config)
560 .setMemberVotingState(ImmutableList.of(
561 new MemberVotingStateBuilder().setMemberName("member-2").setVoting(FALSE).build(),
562 new MemberVotingStateBuilder().setMemberName("member-3").setVoting(FALSE).build()))
564 .get(10, TimeUnit.SECONDS);
565 verifySuccessfulRpcResult(rpcResult);
567 verifyVotingStates(leaderNode1.configDataStore(), "cars", new SimpleEntry<>("member-1", TRUE),
568 new SimpleEntry<>("member-2", FALSE), new SimpleEntry<>("member-3", FALSE));
569 verifyVotingStates(replicaNode2.configDataStore(), "cars", new SimpleEntry<>("member-1", TRUE),
570 new SimpleEntry<>("member-2", FALSE), new SimpleEntry<>("member-3", FALSE));
571 verifyVotingStates(replicaNode3.configDataStore(), "cars", new SimpleEntry<>("member-1", TRUE),
572 new SimpleEntry<>("member-2", FALSE), new SimpleEntry<>("member-3", FALSE));
576 public void testChangeMemberVotingStatesForSingleNodeShard() throws Exception {
577 String name = "testChangeMemberVotingStatesForSingleNodeShard";
578 String moduleShardsConfig = "module-shards-member1.conf";
579 MemberNode leaderNode = MemberNode.builder(memberNodes).akkaConfig("Member1").testName(name)
580 .moduleShardsConfig(moduleShardsConfig).datastoreContextBuilder(
581 DatastoreContext.newBuilder().shardHeartbeatIntervalInMillis(300).shardElectionTimeoutFactor(1))
584 leaderNode.configDataStore().waitTillReady();
586 // Invoke RPC service on member-3 to change voting status
588 ClusterAdminRpcService service = new ClusterAdminRpcService(leaderNode.configDataStore(),
589 leaderNode.operDataStore());
591 RpcResult<Void> rpcResult = service
592 .changeMemberVotingStatesForShard(new ChangeMemberVotingStatesForShardInputBuilder()
593 .setShardName("cars").setDataStoreType(DataStoreType.Config)
594 .setMemberVotingState(ImmutableList
595 .of(new MemberVotingStateBuilder().setMemberName("member-1").setVoting(FALSE).build()))
597 .get(10, TimeUnit.SECONDS);
598 verifyFailedRpcResult(rpcResult);
600 verifyVotingStates(leaderNode.configDataStore(), "cars", new SimpleEntry<>("member-1", TRUE));
604 public void testChangeMemberVotingStatesForAllShards() throws Exception {
605 String name = "testChangeMemberVotingStatesForAllShards";
606 String moduleShardsConfig = "module-shards-member1-and-2-and-3.conf";
607 final MemberNode leaderNode1 = MemberNode.builder(memberNodes).akkaConfig("Member1").testName(name)
608 .moduleShardsConfig(moduleShardsConfig).datastoreContextBuilder(
609 DatastoreContext.newBuilder().shardHeartbeatIntervalInMillis(300).shardElectionTimeoutFactor(1))
612 final MemberNode replicaNode2 = MemberNode.builder(memberNodes).akkaConfig("Member2").testName(name)
613 .moduleShardsConfig(moduleShardsConfig).build();
615 final MemberNode replicaNode3 = MemberNode.builder(memberNodes).akkaConfig("Member3").testName(name)
616 .moduleShardsConfig(moduleShardsConfig).build();
618 leaderNode1.configDataStore().waitTillReady();
619 leaderNode1.operDataStore().waitTillReady();
620 replicaNode3.configDataStore().waitTillReady();
621 replicaNode3.operDataStore().waitTillReady();
622 verifyRaftPeersPresent(leaderNode1.configDataStore(), "cars", "member-2", "member-3");
623 verifyRaftPeersPresent(replicaNode2.configDataStore(), "cars", "member-1", "member-3");
624 verifyRaftPeersPresent(replicaNode3.configDataStore(), "cars", "member-1", "member-2");
626 // Invoke RPC service on member-3 to change voting status
628 ClusterAdminRpcService service3 = new ClusterAdminRpcService(replicaNode3.configDataStore(),
629 replicaNode3.operDataStore());
631 RpcResult<ChangeMemberVotingStatesForAllShardsOutput> rpcResult = service3.changeMemberVotingStatesForAllShards(
632 new ChangeMemberVotingStatesForAllShardsInputBuilder().setMemberVotingState(ImmutableList.of(
633 new MemberVotingStateBuilder().setMemberName("member-2").setVoting(FALSE).build(),
634 new MemberVotingStateBuilder().setMemberName("member-3").setVoting(FALSE).build())).build())
635 .get(10, TimeUnit.SECONDS);
636 ChangeMemberVotingStatesForAllShardsOutput result = verifySuccessfulRpcResult(rpcResult);
637 verifyShardResults(result.getShardResult(), successShardResult("cars", DataStoreType.Config),
638 successShardResult("people", DataStoreType.Config),
639 successShardResult("cars", DataStoreType.Operational),
640 successShardResult("people", DataStoreType.Operational));
642 verifyVotingStates(new AbstractDataStore[]{leaderNode1.configDataStore(), leaderNode1.operDataStore(),
643 replicaNode2.configDataStore(), replicaNode2.operDataStore(),
644 replicaNode3.configDataStore(), replicaNode3.operDataStore()},
645 new String[]{"cars", "people"}, new SimpleEntry<>("member-1", TRUE),
646 new SimpleEntry<>("member-2", FALSE), new SimpleEntry<>("member-3", FALSE));
650 public void testFlipMemberVotingStates() throws Exception {
651 String name = "testFlipMemberVotingStates";
653 ServerConfigurationPayload persistedServerConfig = new ServerConfigurationPayload(Arrays.asList(
654 new ServerInfo("member-1", true), new ServerInfo("member-2", true),
655 new ServerInfo("member-3", false)));
657 setupPersistedServerConfigPayload(persistedServerConfig, "member-1", name, "cars", "people");
658 setupPersistedServerConfigPayload(persistedServerConfig, "member-2", name, "cars", "people");
659 setupPersistedServerConfigPayload(persistedServerConfig, "member-3", name, "cars", "people");
661 String moduleShardsConfig = "module-shards-member1-and-2-and-3.conf";
662 final MemberNode leaderNode1 = MemberNode.builder(memberNodes).akkaConfig("Member1").testName(name)
663 .moduleShardsConfig(moduleShardsConfig).datastoreContextBuilder(
664 DatastoreContext.newBuilder().shardHeartbeatIntervalInMillis(300).shardElectionTimeoutFactor(1))
667 final MemberNode replicaNode2 = MemberNode.builder(memberNodes).akkaConfig("Member2").testName(name)
668 .moduleShardsConfig(moduleShardsConfig).build();
670 final MemberNode replicaNode3 = MemberNode.builder(memberNodes).akkaConfig("Member3").testName(name)
671 .moduleShardsConfig(moduleShardsConfig).build();
673 leaderNode1.configDataStore().waitTillReady();
674 leaderNode1.operDataStore().waitTillReady();
675 replicaNode3.configDataStore().waitTillReady();
676 replicaNode3.operDataStore().waitTillReady();
677 verifyVotingStates(leaderNode1.configDataStore(), "cars", new SimpleEntry<>("member-1", TRUE),
678 new SimpleEntry<>("member-2", TRUE), new SimpleEntry<>("member-3", FALSE));
680 ClusterAdminRpcService service3 = new ClusterAdminRpcService(replicaNode3.configDataStore(),
681 replicaNode3.operDataStore());
683 RpcResult<FlipMemberVotingStatesForAllShardsOutput> rpcResult = service3.flipMemberVotingStatesForAllShards()
684 .get(10, TimeUnit.SECONDS);
685 FlipMemberVotingStatesForAllShardsOutput result = verifySuccessfulRpcResult(rpcResult);
686 verifyShardResults(result.getShardResult(), successShardResult("cars", DataStoreType.Config),
687 successShardResult("people", DataStoreType.Config),
688 successShardResult("cars", DataStoreType.Operational),
689 successShardResult("people", DataStoreType.Operational));
691 verifyVotingStates(new AbstractDataStore[]{leaderNode1.configDataStore(), leaderNode1.operDataStore(),
692 replicaNode2.configDataStore(), replicaNode2.operDataStore(),
693 replicaNode3.configDataStore(), replicaNode3.operDataStore()},
694 new String[]{"cars", "people"},
695 new SimpleEntry<>("member-1", FALSE), new SimpleEntry<>("member-2", FALSE),
696 new SimpleEntry<>("member-3", TRUE));
698 // Leadership should have transferred to member 3 since it is the only remaining voting member.
699 verifyRaftState(leaderNode1.configDataStore(), "cars", raftState -> {
700 assertNotNull("Expected non-null leader Id", raftState.getLeader());
701 assertTrue("Expected leader member-1. Actual: " + raftState.getLeader(),
702 raftState.getLeader().contains("member-3"));
705 verifyRaftState(leaderNode1.operDataStore(), "cars", raftState -> {
706 assertNotNull("Expected non-null leader Id", raftState.getLeader());
707 assertTrue("Expected leader member-1. Actual: " + raftState.getLeader(),
708 raftState.getLeader().contains("member-3"));
711 // Flip the voting states back to the original states.
713 rpcResult = service3.flipMemberVotingStatesForAllShards(). get(10, TimeUnit.SECONDS);
714 result = verifySuccessfulRpcResult(rpcResult);
715 verifyShardResults(result.getShardResult(), successShardResult("cars", DataStoreType.Config),
716 successShardResult("people", DataStoreType.Config),
717 successShardResult("cars", DataStoreType.Operational),
718 successShardResult("people", DataStoreType.Operational));
720 verifyVotingStates(new AbstractDataStore[]{leaderNode1.configDataStore(), leaderNode1.operDataStore(),
721 replicaNode2.configDataStore(), replicaNode2.operDataStore(),
722 replicaNode3.configDataStore(), replicaNode3.operDataStore()},
723 new String[]{"cars", "people"},
724 new SimpleEntry<>("member-1", TRUE), new SimpleEntry<>("member-2", TRUE),
725 new SimpleEntry<>("member-3", FALSE));
727 // Leadership should have transferred to member 1 or 2.
728 verifyRaftState(leaderNode1.configDataStore(), "cars", raftState -> {
729 assertNotNull("Expected non-null leader Id", raftState.getLeader());
730 assertTrue("Expected leader member-1 or member-2. Actual: " + raftState.getLeader(),
731 raftState.getLeader().contains("member-1") || raftState.getLeader().contains("member-2"));
736 public void testFlipMemberVotingStatesWithNoInitialLeader() throws Exception {
737 String name = "testFlipMemberVotingStatesWithNoInitialLeader";
739 // Members 1, 2, and 3 are initially started up as non-voting. Members 4, 5, and 6 are initially
740 // non-voting and simulated as down by not starting them up.
741 ServerConfigurationPayload persistedServerConfig = new ServerConfigurationPayload(Arrays.asList(
742 new ServerInfo("member-1", false), new ServerInfo("member-2", false),
743 new ServerInfo("member-3", false), new ServerInfo("member-4", true),
744 new ServerInfo("member-5", true), new ServerInfo("member-6", true)));
746 setupPersistedServerConfigPayload(persistedServerConfig, "member-1", name, "cars", "people");
747 setupPersistedServerConfigPayload(persistedServerConfig, "member-2", name, "cars", "people");
748 setupPersistedServerConfigPayload(persistedServerConfig, "member-3", name, "cars", "people");
750 String moduleShardsConfig = "module-shards-member1-and-2-and-3.conf";
751 final MemberNode replicaNode1 = MemberNode.builder(memberNodes).akkaConfig("Member1").testName(name)
752 .moduleShardsConfig(moduleShardsConfig).datastoreContextBuilder(
753 DatastoreContext.newBuilder().shardHeartbeatIntervalInMillis(300).shardElectionTimeoutFactor(1))
756 final MemberNode replicaNode2 = MemberNode.builder(memberNodes).akkaConfig("Member2").testName(name)
757 .moduleShardsConfig(moduleShardsConfig).build();
759 final MemberNode replicaNode3 = MemberNode.builder(memberNodes).akkaConfig("Member3").testName(name)
760 .moduleShardsConfig(moduleShardsConfig).build();
762 // Initially there won't be a leader b/c all the up nodes are non-voting.
764 replicaNode1.waitForMembersUp("member-2", "member-3");
766 verifyVotingStates(replicaNode1.configDataStore(), "cars", new SimpleEntry<>("member-1", FALSE),
767 new SimpleEntry<>("member-2", FALSE), new SimpleEntry<>("member-3", FALSE),
768 new SimpleEntry<>("member-4", TRUE), new SimpleEntry<>("member-5", TRUE),
769 new SimpleEntry<>("member-6", TRUE));
771 verifyRaftState(replicaNode1.configDataStore(), "cars", raftState ->
772 assertEquals("Expected raft state", RaftState.Follower.toString(), raftState.getRaftState()));
774 ClusterAdminRpcService service1 = new ClusterAdminRpcService(replicaNode1.configDataStore(),
775 replicaNode1.operDataStore());
777 RpcResult<FlipMemberVotingStatesForAllShardsOutput> rpcResult = service1.flipMemberVotingStatesForAllShards()
778 .get(10, TimeUnit.SECONDS);
779 FlipMemberVotingStatesForAllShardsOutput result = verifySuccessfulRpcResult(rpcResult);
780 verifyShardResults(result.getShardResult(), successShardResult("cars", DataStoreType.Config),
781 successShardResult("people", DataStoreType.Config),
782 successShardResult("cars", DataStoreType.Operational),
783 successShardResult("people", DataStoreType.Operational));
785 verifyVotingStates(new AbstractDataStore[]{replicaNode1.configDataStore(), replicaNode1.operDataStore(),
786 replicaNode2.configDataStore(), replicaNode2.operDataStore(),
787 replicaNode3.configDataStore(), replicaNode3.operDataStore()},
788 new String[]{"cars", "people"},
789 new SimpleEntry<>("member-1", TRUE), new SimpleEntry<>("member-2", TRUE),
790 new SimpleEntry<>("member-3", TRUE), new SimpleEntry<>("member-4", FALSE),
791 new SimpleEntry<>("member-5", FALSE), new SimpleEntry<>("member-6", FALSE));
793 // Since member 1 was changed to voting and there was no leader, it should've started and election
795 verifyRaftState(replicaNode1.configDataStore(), "cars", raftState -> {
796 assertNotNull("Expected non-null leader Id", raftState.getLeader());
797 assertTrue("Expected leader member-1. Actual: " + raftState.getLeader(),
798 raftState.getLeader().contains("member-1"));
801 verifyRaftState(replicaNode1.operDataStore(), "cars", raftState -> {
802 assertNotNull("Expected non-null leader Id", raftState.getLeader());
803 assertTrue("Expected leader member-1. Actual: " + raftState.getLeader(),
804 raftState.getLeader().contains("member-1"));
809 public void testFlipMemberVotingStatesWithVotingMembersDown() throws Exception {
810 String name = "testFlipMemberVotingStatesWithVotingMembersDown";
812 // Members 4, 5, and 6 are initially non-voting and simulated as down by not starting them up.
813 ServerConfigurationPayload persistedServerConfig = new ServerConfigurationPayload(Arrays.asList(
814 new ServerInfo("member-1", true), new ServerInfo("member-2", true),
815 new ServerInfo("member-3", true), new ServerInfo("member-4", false),
816 new ServerInfo("member-5", false), new ServerInfo("member-6", false)));
818 setupPersistedServerConfigPayload(persistedServerConfig, "member-1", name, "cars", "people");
819 setupPersistedServerConfigPayload(persistedServerConfig, "member-2", name, "cars", "people");
820 setupPersistedServerConfigPayload(persistedServerConfig, "member-3", name, "cars", "people");
822 String moduleShardsConfig = "module-shards-member1-and-2-and-3.conf";
823 final MemberNode leaderNode1 = MemberNode.builder(memberNodes).akkaConfig("Member1").testName(name)
824 .moduleShardsConfig(moduleShardsConfig).datastoreContextBuilder(
825 DatastoreContext.newBuilder().shardHeartbeatIntervalInMillis(300).shardElectionTimeoutFactor(1))
828 final MemberNode replicaNode2 = MemberNode.builder(memberNodes).akkaConfig("Member2").testName(name)
829 .moduleShardsConfig(moduleShardsConfig).build();
831 final MemberNode replicaNode3 = MemberNode.builder(memberNodes).akkaConfig("Member3").testName(name)
832 .moduleShardsConfig(moduleShardsConfig).build();
834 leaderNode1.configDataStore().waitTillReady();
835 leaderNode1.operDataStore().waitTillReady();
836 verifyVotingStates(leaderNode1.configDataStore(), "cars", new SimpleEntry<>("member-1", TRUE),
837 new SimpleEntry<>("member-2", TRUE), new SimpleEntry<>("member-3", TRUE),
838 new SimpleEntry<>("member-4", FALSE), new SimpleEntry<>("member-5", FALSE),
839 new SimpleEntry<>("member-6", FALSE));
841 ClusterAdminRpcService service1 = new ClusterAdminRpcService(leaderNode1.configDataStore(),
842 leaderNode1.operDataStore());
844 RpcResult<FlipMemberVotingStatesForAllShardsOutput> rpcResult = service1.flipMemberVotingStatesForAllShards()
845 .get(10, TimeUnit.SECONDS);
846 FlipMemberVotingStatesForAllShardsOutput result = verifySuccessfulRpcResult(rpcResult);
847 verifyShardResults(result.getShardResult(), successShardResult("cars", DataStoreType.Config),
848 successShardResult("people", DataStoreType.Config),
849 successShardResult("cars", DataStoreType.Operational),
850 successShardResult("people", DataStoreType.Operational));
852 // Members 2 and 3 are now non-voting but should get replicated with the new new server config.
853 verifyVotingStates(new AbstractDataStore[]{leaderNode1.configDataStore(), leaderNode1.operDataStore(),
854 replicaNode2.configDataStore(), replicaNode2.operDataStore(),
855 replicaNode3.configDataStore(), replicaNode3.operDataStore()},
856 new String[]{"cars", "people"},
857 new SimpleEntry<>("member-1", FALSE), new SimpleEntry<>("member-2", FALSE),
858 new SimpleEntry<>("member-3", FALSE), new SimpleEntry<>("member-4", TRUE),
859 new SimpleEntry<>("member-5", TRUE), new SimpleEntry<>("member-6", TRUE));
861 // The leader (member 1) was changed to non-voting but it shouldn't be able to step down as leader yet
862 // b/c it can't get a majority consensus with all voting members down. So verify it remains the leader.
863 verifyRaftState(leaderNode1.configDataStore(), "cars", raftState -> {
864 assertNotNull("Expected non-null leader Id", raftState.getLeader());
865 assertTrue("Expected leader member-1", raftState.getLeader().contains("member-1"));
869 private static void setupPersistedServerConfigPayload(ServerConfigurationPayload serverConfig,
870 String member, String datastoreTypeSuffix, String... shards) {
871 String[] datastoreTypes = {"config_", "oper_"};
872 for (String type : datastoreTypes) {
873 for (String shard : shards) {
874 List<ServerInfo> newServerInfo = new ArrayList<>(serverConfig.getServerConfig().size());
875 for (ServerInfo info : serverConfig.getServerConfig()) {
876 newServerInfo.add(new ServerInfo(ShardIdentifier.create(shard, MemberName.forName(info.getId()),
877 type + datastoreTypeSuffix).toString(), info.isVoting()));
880 String shardID = ShardIdentifier.create(shard, MemberName.forName(member),
881 type + datastoreTypeSuffix).toString();
882 InMemoryJournal.addEntry(shardID, 1, new UpdateElectionTerm(1, null));
883 InMemoryJournal.addEntry(shardID, 2, new ReplicatedLogImplEntry(0, 1,
884 new ServerConfigurationPayload(newServerInfo)));
890 private static void verifyVotingStates(AbstractDataStore[] datastores, String[] shards,
891 SimpleEntry<String, Boolean>... expStates) throws Exception {
892 for (AbstractDataStore datastore: datastores) {
893 for (String shard: shards) {
894 verifyVotingStates(datastore, shard, expStates);
900 private static void verifyVotingStates(AbstractDataStore datastore, String shardName,
901 SimpleEntry<String, Boolean>... expStates) throws Exception {
902 String localMemberName = datastore.getActorContext().getCurrentMemberName().getName();
903 Map<String, Boolean> expStateMap = new HashMap<>();
904 for (Entry<String, Boolean> e: expStates) {
905 expStateMap.put(ShardIdentifier.create(shardName, MemberName.forName(e.getKey()),
906 datastore.getActorContext().getDataStoreName()).toString(), e.getValue());
909 verifyRaftState(datastore, shardName, raftState -> {
910 String localPeerId = ShardIdentifier.create(shardName, MemberName.forName(localMemberName),
911 datastore.getActorContext().getDataStoreName()).toString();
912 assertEquals("Voting state for " + localPeerId, expStateMap.get(localPeerId), raftState.isVoting());
913 for (Entry<String, Boolean> e: raftState.getPeerVotingStates().entrySet()) {
914 assertEquals("Voting state for " + e.getKey(), expStateMap.get(e.getKey()), e.getValue());
919 private static void verifyShardResults(List<ShardResult> shardResults, ShardResult... expShardResults) {
920 Map<String, ShardResult> expResultsMap = new HashMap<>();
921 for (ShardResult r: expShardResults) {
922 expResultsMap.put(r.getShardName() + "-" + r.getDataStoreType(), r);
925 for (ShardResult result: shardResults) {
926 ShardResult exp = expResultsMap.remove(result.getShardName() + "-" + result.getDataStoreType());
927 assertNotNull(String.format("Unexpected result for shard %s, type %s", result.getShardName(),
928 result.getDataStoreType()), exp);
929 assertEquals("isSucceeded", exp.isSucceeded(), result.isSucceeded());
930 if (exp.isSucceeded()) {
931 assertNull("Expected null error message", result.getErrorMessage());
933 assertNotNull("Expected error message", result.getErrorMessage());
937 if (!expResultsMap.isEmpty()) {
938 fail("Missing shard results for " + expResultsMap.keySet());
942 private static ShardResult successShardResult(String shardName, DataStoreType type) {
943 return new ShardResultBuilder().setDataStoreType(type).setShardName(shardName).setSucceeded(TRUE).build();
946 private static ShardResult failedShardResult(String shardName, DataStoreType type) {
947 return new ShardResultBuilder().setDataStoreType(type).setShardName(shardName).setSucceeded(FALSE).build();