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 org.hamcrest.CoreMatchers.anyOf;
11 import static org.hamcrest.CoreMatchers.containsString;
12 import static org.junit.Assert.assertEquals;
13 import static org.junit.Assert.assertNotNull;
14 import static org.junit.Assert.assertNull;
15 import static org.junit.Assert.assertThat;
16 import static org.junit.Assert.assertTrue;
17 import static org.junit.Assert.fail;
18 import static org.opendaylight.controller.cluster.datastore.MemberNode.verifyNoShardPresent;
19 import static org.opendaylight.controller.cluster.datastore.MemberNode.verifyRaftPeersPresent;
20 import static org.opendaylight.controller.cluster.datastore.MemberNode.verifyRaftState;
21 import akka.actor.ActorRef;
22 import akka.actor.PoisonPill;
23 import akka.actor.Status.Success;
24 import akka.cluster.Cluster;
25 import com.google.common.base.Optional;
26 import com.google.common.collect.ImmutableList;
27 import com.google.common.collect.ImmutableMap;
28 import com.google.common.collect.Iterables;
29 import com.google.common.collect.Sets;
31 import java.io.FileInputStream;
33 import java.util.AbstractMap.SimpleEntry;
34 import java.util.ArrayList;
35 import java.util.Arrays;
36 import java.util.HashMap;
37 import java.util.HashSet;
38 import java.util.List;
40 import java.util.Map.Entry;
42 import java.util.concurrent.TimeUnit;
43 import org.apache.commons.lang3.SerializationUtils;
44 import org.junit.After;
45 import org.junit.Before;
46 import org.junit.Test;
47 import org.opendaylight.controller.cluster.access.concepts.MemberName;
48 import org.opendaylight.controller.cluster.datastore.DatastoreContext;
49 import org.opendaylight.controller.cluster.datastore.DistributedDataStore;
50 import org.opendaylight.controller.cluster.datastore.MemberNode;
51 import org.opendaylight.controller.cluster.datastore.MemberNode.RaftStateVerifier;
52 import org.opendaylight.controller.cluster.datastore.Shard;
53 import org.opendaylight.controller.cluster.datastore.config.ModuleShardConfiguration;
54 import org.opendaylight.controller.cluster.datastore.identifiers.ShardIdentifier;
55 import org.opendaylight.controller.cluster.datastore.messages.CreateShard;
56 import org.opendaylight.controller.cluster.datastore.messages.DatastoreSnapshot;
57 import org.opendaylight.controller.cluster.raft.RaftState;
58 import org.opendaylight.controller.cluster.raft.ReplicatedLogImplEntry;
59 import org.opendaylight.controller.cluster.raft.ServerConfigurationPayload;
60 import org.opendaylight.controller.cluster.raft.ServerConfigurationPayload.ServerInfo;
61 import org.opendaylight.controller.cluster.raft.base.messages.UpdateElectionTerm;
62 import org.opendaylight.controller.cluster.raft.client.messages.OnDemandRaftState;
63 import org.opendaylight.controller.cluster.raft.utils.InMemoryJournal;
64 import org.opendaylight.controller.cluster.raft.utils.InMemorySnapshotStore;
65 import org.opendaylight.controller.md.cluster.datastore.model.CarsModel;
66 import org.opendaylight.controller.sal.core.spi.data.DOMStoreThreePhaseCommitCohort;
67 import org.opendaylight.controller.sal.core.spi.data.DOMStoreWriteTransaction;
68 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.cluster.admin.rev151013.AddReplicasForAllShardsOutput;
69 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.cluster.admin.rev151013.AddShardReplicaInputBuilder;
70 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.cluster.admin.rev151013.BackupDatastoreInputBuilder;
71 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.cluster.admin.rev151013.ChangeMemberVotingStatesForAllShardsInputBuilder;
72 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.cluster.admin.rev151013.ChangeMemberVotingStatesForAllShardsOutput;
73 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.cluster.admin.rev151013.ChangeMemberVotingStatesForShardInputBuilder;
74 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.cluster.admin.rev151013.DataStoreType;
75 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.cluster.admin.rev151013.FlipMemberVotingStatesForAllShardsOutput;
76 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.cluster.admin.rev151013.RemoveAllShardReplicasInputBuilder;
77 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.cluster.admin.rev151013.RemoveAllShardReplicasOutput;
78 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.cluster.admin.rev151013.RemoveShardReplicaInputBuilder;
79 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.cluster.admin.rev151013.member.voting.states.input.MemberVotingStateBuilder;
80 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.cluster.admin.rev151013.shard.result.output.ShardResult;
81 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.cluster.admin.rev151013.shard.result.output.ShardResultBuilder;
82 import org.opendaylight.yangtools.yang.common.RpcError;
83 import org.opendaylight.yangtools.yang.common.RpcResult;
84 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
87 * Unit tests for ClusterAdminRpcService.
89 * @author Thomas Pantelis
91 public class ClusterAdminRpcServiceTest {
92 private static final MemberName MEMBER_1 = MemberName.forName("member-1");
93 private static final MemberName MEMBER_2 = MemberName.forName("member-2");
94 private static final MemberName MEMBER_3 = MemberName.forName("member-3");
95 private final List<MemberNode> memberNodes = new ArrayList<>();
99 InMemoryJournal.clear();
100 InMemorySnapshotStore.clear();
104 public void tearDown() {
105 for(MemberNode m: memberNodes) {
111 public void testBackupDatastore() throws Exception {
112 MemberNode node = MemberNode.builder(memberNodes).akkaConfig("Member1").
113 moduleShardsConfig("module-shards-member1.conf").
114 waitForShardLeader("cars", "people").testName("testBackupDatastore").build();
116 String fileName = "target/testBackupDatastore";
117 new File(fileName).delete();
119 ClusterAdminRpcService service = new ClusterAdminRpcService(node.configDataStore(), node.operDataStore());
121 RpcResult<Void> rpcResult = service .backupDatastore(new BackupDatastoreInputBuilder().
122 setFilePath(fileName).build()).get(5, TimeUnit.SECONDS);
123 verifySuccessfulRpcResult(rpcResult);
125 try(FileInputStream fis = new FileInputStream(fileName)) {
126 List<DatastoreSnapshot> snapshots = SerializationUtils.deserialize(fis);
127 assertEquals("DatastoreSnapshot size", 2, snapshots.size());
129 ImmutableMap<String, DatastoreSnapshot> map = ImmutableMap.of(snapshots.get(0).getType(), snapshots.get(0),
130 snapshots.get(1).getType(), snapshots.get(1));
131 verifyDatastoreSnapshot(node.configDataStore().getActorContext().getDataStoreName(),
132 map.get(node.configDataStore().getActorContext().getDataStoreName()), "cars", "people");
134 new File(fileName).delete();
137 // Test failure by killing a shard.
139 node.configDataStore().getActorContext().getShardManager().tell(node.datastoreContextBuilder().
140 shardInitializationTimeout(200, TimeUnit.MILLISECONDS).build(), ActorRef.noSender());
142 ActorRef carsShardActor = node.configDataStore().getActorContext().findLocalShard("cars").get();
143 node.kit().watch(carsShardActor);
144 carsShardActor.tell(PoisonPill.getInstance(), ActorRef.noSender());
145 node.kit().expectTerminated(carsShardActor);
147 rpcResult = service.backupDatastore(new BackupDatastoreInputBuilder().setFilePath(fileName).build()).
148 get(5, TimeUnit.SECONDS);
149 assertEquals("isSuccessful", false, rpcResult.isSuccessful());
150 assertEquals("getErrors", 1, rpcResult.getErrors().size());
153 private static void verifyDatastoreSnapshot(String type, DatastoreSnapshot datastoreSnapshot, String... expShardNames) {
154 assertNotNull("Missing DatastoreSnapshot for type " + type, datastoreSnapshot);
155 Set<String> shardNames = new HashSet<>();
156 for(DatastoreSnapshot.ShardSnapshot s: datastoreSnapshot.getShardSnapshots()) {
157 shardNames.add(s.getName());
160 assertEquals("DatastoreSnapshot shard names", Sets.newHashSet(expShardNames), shardNames);
164 public void testAddShardReplica() throws Exception {
165 String name = "testAddShardReplica";
166 String moduleShardsConfig = "module-shards-cars-member-1.conf";
167 MemberNode leaderNode1 = MemberNode.builder(memberNodes).akkaConfig("Member1").testName(name ).
168 moduleShardsConfig(moduleShardsConfig).waitForShardLeader("cars").build();
170 MemberNode newReplicaNode2 = MemberNode.builder(memberNodes).akkaConfig("Member2").testName(name).
171 moduleShardsConfig(moduleShardsConfig).build();
173 leaderNode1.waitForMembersUp("member-2");
175 doAddShardReplica(newReplicaNode2, "cars", "member-1");
177 MemberNode newReplicaNode3 = MemberNode.builder(memberNodes).akkaConfig("Member3").testName(name).
178 moduleShardsConfig(moduleShardsConfig).build();
180 leaderNode1.waitForMembersUp("member-3");
181 newReplicaNode2.waitForMembersUp("member-3");
183 doAddShardReplica(newReplicaNode3, "cars", "member-1", "member-2");
185 verifyRaftPeersPresent(newReplicaNode2.configDataStore(), "cars", "member-1", "member-3");
186 verifyRaftPeersPresent(newReplicaNode2.operDataStore(), "cars", "member-1", "member-3");
188 // Write data to member-2's config datastore and read/verify via member-3
189 NormalizedNode<?, ?> configCarsNode = writeCarsNodeAndVerify(newReplicaNode2.configDataStore(),
190 newReplicaNode3.configDataStore());
192 // Write data to member-3's oper datastore and read/verify via member-2
193 writeCarsNodeAndVerify(newReplicaNode3.operDataStore(), newReplicaNode2.operDataStore());
195 // Verify all data has been replicated. We expect 3 log entries and thus last applied index of 2 -
196 // 2 ServerConfigurationPayload entries and the transaction payload entry.
198 RaftStateVerifier verifier = new RaftStateVerifier() {
200 public void verify(OnDemandRaftState raftState) {
201 assertEquals("Commit index", 2, raftState.getCommitIndex());
202 assertEquals("Last applied index", 2, raftState.getLastApplied());
206 verifyRaftState(leaderNode1.configDataStore(), "cars", verifier);
207 verifyRaftState(leaderNode1.operDataStore(), "cars", verifier);
209 verifyRaftState(newReplicaNode2.configDataStore(), "cars", verifier);
210 verifyRaftState(newReplicaNode2.operDataStore(), "cars", verifier);
212 verifyRaftState(newReplicaNode3.configDataStore(), "cars", verifier);
213 verifyRaftState(newReplicaNode3.operDataStore(), "cars", verifier);
215 // Restart member-3 and verify the cars config shard is re-instated.
217 Cluster.get(leaderNode1.kit().getSystem()).down(Cluster.get(newReplicaNode3.kit().getSystem()).selfAddress());
218 newReplicaNode3.cleanup();
220 newReplicaNode3 = MemberNode.builder(memberNodes).akkaConfig("Member3").testName(name).
221 moduleShardsConfig(moduleShardsConfig).createOperDatastore(false).build();
223 verifyRaftState(newReplicaNode3.configDataStore(), "cars", verifier);
224 readCarsNodeAndVerify(newReplicaNode3.configDataStore(), configCarsNode);
228 public void testAddShardReplicaFailures() throws Exception {
229 String name = "testAddShardReplicaFailures";
230 MemberNode memberNode = MemberNode.builder(memberNodes).akkaConfig("Member1").testName(name).
231 moduleShardsConfig("module-shards-cars-member-1.conf").build();
233 ClusterAdminRpcService service = new ClusterAdminRpcService(memberNode.configDataStore(),
234 memberNode.operDataStore());
236 RpcResult<Void> rpcResult = service.addShardReplica(new AddShardReplicaInputBuilder().
237 setDataStoreType(DataStoreType.Config).build()).get(10, TimeUnit.SECONDS);
238 verifyFailedRpcResult(rpcResult);
240 rpcResult = service.addShardReplica(new AddShardReplicaInputBuilder().setShardName("cars").
241 build()).get(10, TimeUnit.SECONDS);
242 verifyFailedRpcResult(rpcResult);
244 rpcResult = service.addShardReplica(new AddShardReplicaInputBuilder().setShardName("people").
245 setDataStoreType(DataStoreType.Config).build()).get(10, TimeUnit.SECONDS);
246 verifyFailedRpcResult(rpcResult);
249 private static NormalizedNode<?, ?> writeCarsNodeAndVerify(DistributedDataStore writeToStore,
250 DistributedDataStore readFromStore) throws Exception {
251 DOMStoreWriteTransaction writeTx = writeToStore.newWriteOnlyTransaction();
252 NormalizedNode<?, ?> carsNode = CarsModel.create();
253 writeTx.write(CarsModel.BASE_PATH, carsNode);
255 DOMStoreThreePhaseCommitCohort cohort = writeTx.ready();
256 Boolean canCommit = cohort .canCommit().get(7, TimeUnit.SECONDS);
257 assertEquals("canCommit", true, canCommit);
258 cohort.preCommit().get(5, TimeUnit.SECONDS);
259 cohort.commit().get(5, TimeUnit.SECONDS);
261 readCarsNodeAndVerify(readFromStore, carsNode);
265 private static void readCarsNodeAndVerify(DistributedDataStore readFromStore,
266 NormalizedNode<?, ?> expCarsNode) throws Exception {
267 Optional<NormalizedNode<?, ?>> optional = readFromStore.newReadOnlyTransaction().
268 read(CarsModel.BASE_PATH).get(15, TimeUnit.SECONDS);
269 assertEquals("isPresent", true, optional.isPresent());
270 assertEquals("Data node", expCarsNode, optional.get());
273 private static void doAddShardReplica(MemberNode memberNode, String shardName, String... peerMemberNames)
275 memberNode.waitForMembersUp(peerMemberNames);
277 ClusterAdminRpcService service = new ClusterAdminRpcService(memberNode.configDataStore(),
278 memberNode.operDataStore());
280 RpcResult<Void> rpcResult = service.addShardReplica(new AddShardReplicaInputBuilder().setShardName(shardName).
281 setDataStoreType(DataStoreType.Config).build()).get(10, TimeUnit.SECONDS);
282 verifySuccessfulRpcResult(rpcResult);
284 verifyRaftPeersPresent(memberNode.configDataStore(), shardName, peerMemberNames);
286 Optional<ActorRef> optional = memberNode.operDataStore().getActorContext().findLocalShard(shardName);
287 assertEquals("Oper shard present", false, optional.isPresent());
289 rpcResult = service.addShardReplica(new AddShardReplicaInputBuilder().setShardName(shardName).
290 setDataStoreType(DataStoreType.Operational).build()).get(10, TimeUnit.SECONDS);
291 verifySuccessfulRpcResult(rpcResult);
293 verifyRaftPeersPresent(memberNode.operDataStore(), shardName, peerMemberNames);
296 private static <T> T verifySuccessfulRpcResult(RpcResult<T> rpcResult) {
297 if(!rpcResult.isSuccessful()) {
298 if(rpcResult.getErrors().size() > 0) {
299 RpcError error = Iterables.getFirst(rpcResult.getErrors(), null);
300 throw new AssertionError("Rpc failed with error: " + error, error.getCause());
303 fail("Rpc failed with no error");
306 return rpcResult.getResult();
309 private static void verifyFailedRpcResult(RpcResult<Void> rpcResult) {
310 assertEquals("RpcResult", false, rpcResult.isSuccessful());
311 assertEquals("RpcResult errors size", 1, rpcResult.getErrors().size());
312 RpcError error = Iterables.getFirst(rpcResult.getErrors(), null);
313 assertNotNull("RpcResult error message null", error.getMessage());
317 public void testRemoveShardReplica() throws Exception {
318 String name = "testRemoveShardReplicaLocal";
319 String moduleShardsConfig = "module-shards-member1-and-2-and-3.conf";
320 MemberNode leaderNode1 = MemberNode.builder(memberNodes).akkaConfig("Member1").testName(name ).
321 moduleShardsConfig(moduleShardsConfig).
322 datastoreContextBuilder(DatastoreContext.newBuilder().
323 shardHeartbeatIntervalInMillis(300).shardElectionTimeoutFactor(1)).build();
325 MemberNode replicaNode2 = MemberNode.builder(memberNodes).akkaConfig("Member2").testName(name).
326 moduleShardsConfig(moduleShardsConfig).build();
328 MemberNode replicaNode3 = MemberNode.builder(memberNodes).akkaConfig("Member3").testName(name).
329 moduleShardsConfig(moduleShardsConfig).build();
331 leaderNode1.configDataStore().waitTillReady();
332 verifyRaftPeersPresent(leaderNode1.configDataStore(), "cars", "member-2", "member-3");
333 verifyRaftPeersPresent(replicaNode2.configDataStore(), "cars", "member-1", "member-3");
334 verifyRaftPeersPresent(replicaNode3.configDataStore(), "cars", "member-1", "member-2");
336 // Invoke RPC service on member-3 to remove it's local shard
338 ClusterAdminRpcService service3 = new ClusterAdminRpcService(replicaNode3.configDataStore(),
339 replicaNode3.operDataStore());
341 RpcResult<Void> rpcResult = service3.removeShardReplica(new RemoveShardReplicaInputBuilder().
342 setShardName("cars").setMemberName("member-3").setDataStoreType(DataStoreType.Config).build()).
343 get(10, TimeUnit.SECONDS);
344 verifySuccessfulRpcResult(rpcResult);
346 verifyRaftPeersPresent(leaderNode1.configDataStore(), "cars", "member-2");
347 verifyRaftPeersPresent(replicaNode2.configDataStore(), "cars", "member-1");
348 verifyNoShardPresent(replicaNode3.configDataStore(), "cars");
350 // Restart member-2 and verify member-3 isn't present.
352 Cluster.get(leaderNode1.kit().getSystem()).down(Cluster.get(replicaNode2.kit().getSystem()).selfAddress());
353 replicaNode2.cleanup();
355 replicaNode2 = MemberNode.builder(memberNodes).akkaConfig("Member2").testName(name).
356 moduleShardsConfig(moduleShardsConfig).build();
358 verifyRaftPeersPresent(replicaNode2.configDataStore(), "cars", "member-1");
360 // Invoke RPC service on member-1 to remove member-2
362 ClusterAdminRpcService service1 = new ClusterAdminRpcService(leaderNode1.configDataStore(),
363 leaderNode1.operDataStore());
365 rpcResult = service1.removeShardReplica(new RemoveShardReplicaInputBuilder().
366 setShardName("cars").setMemberName("member-2").setDataStoreType(DataStoreType.Config).build()).
367 get(10, TimeUnit.SECONDS);
368 verifySuccessfulRpcResult(rpcResult);
370 verifyRaftPeersPresent(leaderNode1.configDataStore(), "cars");
371 verifyNoShardPresent(replicaNode2.configDataStore(), "cars");
375 public void testRemoveShardLeaderReplica() throws Exception {
376 String name = "testRemoveShardLeaderReplica";
377 String moduleShardsConfig = "module-shards-member1-and-2-and-3.conf";
378 MemberNode leaderNode1 = MemberNode.builder(memberNodes).akkaConfig("Member1").testName(name ).
379 moduleShardsConfig(moduleShardsConfig).
380 datastoreContextBuilder(DatastoreContext.newBuilder().
381 shardHeartbeatIntervalInMillis(300).shardElectionTimeoutFactor(1)).build();
383 MemberNode replicaNode2 = MemberNode.builder(memberNodes).akkaConfig("Member2").testName(name).
384 moduleShardsConfig(moduleShardsConfig).build();
386 MemberNode replicaNode3 = MemberNode.builder(memberNodes).akkaConfig("Member3").testName(name).
387 moduleShardsConfig(moduleShardsConfig).build();
389 leaderNode1.configDataStore().waitTillReady();
390 verifyRaftPeersPresent(leaderNode1.configDataStore(), "cars", "member-2", "member-3");
391 verifyRaftPeersPresent(replicaNode2.configDataStore(), "cars", "member-1", "member-3");
392 verifyRaftPeersPresent(replicaNode3.configDataStore(), "cars", "member-1", "member-2");
394 replicaNode2.waitForMembersUp("member-1", "member-3");
395 replicaNode2.waitForMembersUp("member-1", "member-2");
397 // Invoke RPC service on leader member-1 to remove it's local shard
399 ClusterAdminRpcService service1 = new ClusterAdminRpcService(leaderNode1.configDataStore(),
400 leaderNode1.operDataStore());
402 RpcResult<Void> rpcResult = service1.removeShardReplica(new RemoveShardReplicaInputBuilder().
403 setShardName("cars").setMemberName("member-1").setDataStoreType(DataStoreType.Config).build()).
404 get(10, TimeUnit.SECONDS);
405 verifySuccessfulRpcResult(rpcResult);
407 verifyRaftState(replicaNode2.configDataStore(), "cars", new RaftStateVerifier() {
409 public void verify(OnDemandRaftState raftState) {
410 assertThat("Leader Id", raftState.getLeader(), anyOf(containsString("member-2"),
411 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 = service.addReplicasForAllShards().get(10, TimeUnit.SECONDS);
454 AddReplicasForAllShardsOutput result = verifySuccessfulRpcResult(rpcResult);
455 verifyShardResults(result.getShardResult(), successShardResult("cars", DataStoreType.Config),
456 successShardResult("people", DataStoreType.Config),
457 successShardResult("pets", DataStoreType.Config),
458 successShardResult("cars", DataStoreType.Operational),
459 successShardResult("people", DataStoreType.Operational),
460 failedShardResult("no-leader", DataStoreType.Operational));
462 verifyRaftPeersPresent(newReplicaNode2.configDataStore(), "cars", "member-1");
463 verifyRaftPeersPresent(newReplicaNode2.configDataStore(), "people", "member-1");
464 verifyRaftPeersPresent(newReplicaNode2.configDataStore(), "pets", "member-1");
465 verifyRaftPeersPresent(newReplicaNode2.operDataStore(), "cars", "member-1");
466 verifyRaftPeersPresent(newReplicaNode2.operDataStore(), "people", "member-1");
470 public void testRemoveAllShardReplicas() throws Exception {
471 String name = "testRemoveAllShardReplicas";
472 String moduleShardsConfig = "module-shards-member1-and-2-and-3.conf";
473 MemberNode leaderNode1 = MemberNode.builder(memberNodes).akkaConfig("Member1").testName(name ).
474 moduleShardsConfig(moduleShardsConfig).datastoreContextBuilder(DatastoreContext.newBuilder().
475 shardHeartbeatIntervalInMillis(300).shardElectionTimeoutFactor(1)).build();
477 MemberNode replicaNode2 = MemberNode.builder(memberNodes).akkaConfig("Member2").testName(name).
478 moduleShardsConfig(moduleShardsConfig).build();
480 MemberNode replicaNode3 = MemberNode.builder(memberNodes).akkaConfig("Member3").testName(name).
481 moduleShardsConfig(moduleShardsConfig).build();
483 leaderNode1.configDataStore().waitTillReady();
484 verifyRaftPeersPresent(leaderNode1.configDataStore(), "cars", "member-2", "member-3");
485 verifyRaftPeersPresent(replicaNode2.configDataStore(), "cars", "member-1", "member-3");
486 verifyRaftPeersPresent(replicaNode3.configDataStore(), "cars", "member-1", "member-2");
488 ModuleShardConfiguration petsModuleConfig = new ModuleShardConfiguration(URI.create("pets-ns"), "pets-module",
489 "pets", null, Arrays.asList(MEMBER_1, MEMBER_2, MEMBER_3));
490 leaderNode1.configDataStore().getActorContext().getShardManager().tell(
491 new CreateShard(petsModuleConfig, Shard.builder(), null), leaderNode1.kit().getRef());
492 leaderNode1.kit().expectMsgClass(Success.class);
494 replicaNode2.configDataStore().getActorContext().getShardManager().tell(
495 new CreateShard(petsModuleConfig, Shard.builder(), null), replicaNode2.kit().getRef());
496 replicaNode2.kit().expectMsgClass(Success.class);
498 replicaNode3.configDataStore().getActorContext().getShardManager().tell(
499 new CreateShard(petsModuleConfig, Shard.builder(), null), replicaNode3.kit().getRef());
500 replicaNode3.kit().expectMsgClass(Success.class);
502 verifyRaftPeersPresent(leaderNode1.configDataStore(), "pets", "member-2", "member-3");
503 verifyRaftPeersPresent(replicaNode2.configDataStore(), "pets", "member-1", "member-3");
504 verifyRaftPeersPresent(replicaNode3.configDataStore(), "pets", "member-1", "member-2");
506 ClusterAdminRpcService service3 = new ClusterAdminRpcService(replicaNode3.configDataStore(),
507 replicaNode3.operDataStore());
509 RpcResult<RemoveAllShardReplicasOutput> rpcResult = service3.removeAllShardReplicas(
510 new RemoveAllShardReplicasInputBuilder().setMemberName("member-3").build()).get(10, TimeUnit.SECONDS);
511 RemoveAllShardReplicasOutput result = verifySuccessfulRpcResult(rpcResult);
512 verifyShardResults(result.getShardResult(), successShardResult("cars", DataStoreType.Config),
513 successShardResult("people", DataStoreType.Config),
514 successShardResult("pets", DataStoreType.Config),
515 successShardResult("cars", DataStoreType.Operational),
516 successShardResult("people", DataStoreType.Operational));
518 verifyRaftPeersPresent(leaderNode1.configDataStore(), "cars", "member-2");
519 verifyRaftPeersPresent(leaderNode1.configDataStore(), "people", "member-2");
520 verifyRaftPeersPresent(leaderNode1.configDataStore(), "pets", "member-2");
521 verifyRaftPeersPresent(replicaNode2.configDataStore(), "cars", "member-1");
522 verifyRaftPeersPresent(replicaNode2.configDataStore(), "people", "member-1");
523 verifyRaftPeersPresent(replicaNode2.configDataStore(), "pets", "member-1");
524 verifyNoShardPresent(replicaNode3.configDataStore(), "cars");
525 verifyNoShardPresent(replicaNode3.configDataStore(), "people");
526 verifyNoShardPresent(replicaNode3.configDataStore(), "pets");
530 public void testChangeMemberVotingStatesForShard() throws Exception {
531 String name = "testChangeMemberVotingStatusForShard";
532 String moduleShardsConfig = "module-shards-member1-and-2-and-3.conf";
533 MemberNode leaderNode1 = MemberNode.builder(memberNodes).akkaConfig("Member1").testName(name ).
534 moduleShardsConfig(moduleShardsConfig).datastoreContextBuilder(DatastoreContext.newBuilder().
535 shardHeartbeatIntervalInMillis(300).shardElectionTimeoutFactor(1)).build();
537 MemberNode replicaNode2 = MemberNode.builder(memberNodes).akkaConfig("Member2").testName(name).
538 moduleShardsConfig(moduleShardsConfig).build();
540 MemberNode replicaNode3 = MemberNode.builder(memberNodes).akkaConfig("Member3").testName(name).
541 moduleShardsConfig(moduleShardsConfig).build();
543 leaderNode1.configDataStore().waitTillReady();
544 verifyRaftPeersPresent(leaderNode1.configDataStore(), "cars", "member-2", "member-3");
545 verifyRaftPeersPresent(replicaNode2.configDataStore(), "cars", "member-1", "member-3");
546 verifyRaftPeersPresent(replicaNode3.configDataStore(), "cars", "member-1", "member-2");
548 // Invoke RPC service on member-3 to change voting status
550 ClusterAdminRpcService service3 = new ClusterAdminRpcService(replicaNode3.configDataStore(),
551 replicaNode3.operDataStore());
553 RpcResult<Void> rpcResult = service3.changeMemberVotingStatesForShard(
554 new ChangeMemberVotingStatesForShardInputBuilder().setShardName("cars").
555 setDataStoreType(DataStoreType.Config).setMemberVotingState(ImmutableList.of(
556 new MemberVotingStateBuilder().setMemberName("member-2").setVoting(false).build(),
557 new MemberVotingStateBuilder().setMemberName("member-3").setVoting(false).build())).build()).
558 get(10, TimeUnit.SECONDS);
559 verifySuccessfulRpcResult(rpcResult);
561 verifyVotingStates(leaderNode1.configDataStore(), "cars", new SimpleEntry<>("member-1", true), new SimpleEntry<>("member-2", false),
562 new SimpleEntry<>("member-3", false));
563 verifyVotingStates(replicaNode2.configDataStore(), "cars", new SimpleEntry<>("member-1", true), new SimpleEntry<>("member-2", false),
564 new SimpleEntry<>("member-3", false));
565 verifyVotingStates(replicaNode3.configDataStore(), "cars", new SimpleEntry<>("member-1", true), new SimpleEntry<>("member-2", false),
566 new SimpleEntry<>("member-3", false));
570 public void testChangeMemberVotingStatesForSingleNodeShard() throws Exception {
571 String name = "testChangeMemberVotingStatesForSingleNodeShard";
572 String moduleShardsConfig = "module-shards-member1.conf";
573 MemberNode leaderNode = MemberNode.builder(memberNodes).akkaConfig("Member1").testName(name ).
574 moduleShardsConfig(moduleShardsConfig).datastoreContextBuilder(DatastoreContext.newBuilder().
575 shardHeartbeatIntervalInMillis(300).shardElectionTimeoutFactor(1)).build();
577 leaderNode.configDataStore().waitTillReady();
579 // Invoke RPC service on member-3 to change voting status
581 ClusterAdminRpcService service = new ClusterAdminRpcService(leaderNode.configDataStore(),
582 leaderNode.operDataStore());
584 RpcResult<Void> rpcResult = service.changeMemberVotingStatesForShard(
585 new ChangeMemberVotingStatesForShardInputBuilder().setShardName("cars").
586 setDataStoreType(DataStoreType.Config).setMemberVotingState(ImmutableList.of(
587 new MemberVotingStateBuilder().setMemberName("member-1").setVoting(false).build())).build()).
588 get(10, TimeUnit.SECONDS);
589 verifyFailedRpcResult(rpcResult);
591 verifyVotingStates(leaderNode.configDataStore(), "cars", new SimpleEntry<>("member-1", true));
595 public void testChangeMemberVotingStatesForAllShards() throws Exception {
596 String name = "testChangeMemberVotingStatesForAllShards";
597 String moduleShardsConfig = "module-shards-member1-and-2-and-3.conf";
598 MemberNode leaderNode1 = MemberNode.builder(memberNodes).akkaConfig("Member1").testName(name ).
599 moduleShardsConfig(moduleShardsConfig).datastoreContextBuilder(DatastoreContext.newBuilder().
600 shardHeartbeatIntervalInMillis(300).shardElectionTimeoutFactor(1)).build();
602 MemberNode replicaNode2 = MemberNode.builder(memberNodes).akkaConfig("Member2").testName(name).
603 moduleShardsConfig(moduleShardsConfig).build();
605 MemberNode replicaNode3 = MemberNode.builder(memberNodes).akkaConfig("Member3").testName(name).
606 moduleShardsConfig(moduleShardsConfig).build();
608 leaderNode1.configDataStore().waitTillReady();
609 leaderNode1.operDataStore().waitTillReady();
610 verifyRaftPeersPresent(leaderNode1.configDataStore(), "cars", "member-2", "member-3");
611 verifyRaftPeersPresent(replicaNode2.configDataStore(), "cars", "member-1", "member-3");
612 verifyRaftPeersPresent(replicaNode3.configDataStore(), "cars", "member-1", "member-2");
614 // Invoke RPC service on member-3 to change voting status
616 ClusterAdminRpcService service3 = new ClusterAdminRpcService(replicaNode3.configDataStore(),
617 replicaNode3.operDataStore());
619 RpcResult<ChangeMemberVotingStatesForAllShardsOutput> rpcResult = service3.changeMemberVotingStatesForAllShards(
620 new ChangeMemberVotingStatesForAllShardsInputBuilder().setMemberVotingState(ImmutableList.of(
621 new MemberVotingStateBuilder().setMemberName("member-2").setVoting(false).build(),
622 new MemberVotingStateBuilder().setMemberName("member-3").setVoting(false).build())).build()).
623 get(10, TimeUnit.SECONDS);
624 ChangeMemberVotingStatesForAllShardsOutput result = verifySuccessfulRpcResult(rpcResult);
625 verifyShardResults(result.getShardResult(), successShardResult("cars", DataStoreType.Config),
626 successShardResult("people", DataStoreType.Config),
627 successShardResult("cars", DataStoreType.Operational),
628 successShardResult("people", DataStoreType.Operational));
630 verifyVotingStates(new DistributedDataStore[]{leaderNode1.configDataStore(), leaderNode1.operDataStore(),
631 replicaNode2.configDataStore(), replicaNode2.operDataStore(),
632 replicaNode3.configDataStore(), replicaNode3.operDataStore()},
633 new String[]{"cars", "people"}, new SimpleEntry<>("member-1", true), new SimpleEntry<>("member-2", false),
634 new SimpleEntry<>("member-3", false));
638 public void testFlipMemberVotingStates() throws Exception {
639 String name = "testFlipMemberVotingStates";
641 ServerConfigurationPayload persistedServerConfig = new ServerConfigurationPayload(Arrays.asList(
642 new ServerInfo("member-1", true), new ServerInfo("member-2", true),
643 new ServerInfo("member-3", false)));
645 setupPersistedServerConfigPayload(persistedServerConfig, "member-1", name, "cars", "people");
646 setupPersistedServerConfigPayload(persistedServerConfig, "member-2", name, "cars", "people");
647 setupPersistedServerConfigPayload(persistedServerConfig, "member-3", name, "cars", "people");
649 String moduleShardsConfig = "module-shards-member1-and-2-and-3.conf";
650 MemberNode leaderNode1 = MemberNode.builder(memberNodes).akkaConfig("Member1").testName(name ).
651 moduleShardsConfig(moduleShardsConfig).datastoreContextBuilder(DatastoreContext.newBuilder().
652 shardHeartbeatIntervalInMillis(300).shardElectionTimeoutFactor(1)).build();
654 MemberNode replicaNode2 = MemberNode.builder(memberNodes).akkaConfig("Member2").testName(name).
655 moduleShardsConfig(moduleShardsConfig).build();
657 MemberNode replicaNode3 = MemberNode.builder(memberNodes).akkaConfig("Member3").testName(name).
658 moduleShardsConfig(moduleShardsConfig).build();
660 leaderNode1.configDataStore().waitTillReady();
661 leaderNode1.operDataStore().waitTillReady();
662 verifyVotingStates(leaderNode1.configDataStore(), "cars", new SimpleEntry<>("member-1", true),
663 new SimpleEntry<>("member-2", true), new SimpleEntry<>("member-3", false));
665 ClusterAdminRpcService service3 = new ClusterAdminRpcService(replicaNode3.configDataStore(),
666 replicaNode3.operDataStore());
668 RpcResult<FlipMemberVotingStatesForAllShardsOutput> rpcResult = service3.flipMemberVotingStatesForAllShards().
669 get(10, TimeUnit.SECONDS);
670 FlipMemberVotingStatesForAllShardsOutput result = verifySuccessfulRpcResult(rpcResult);
671 verifyShardResults(result.getShardResult(), successShardResult("cars", DataStoreType.Config),
672 successShardResult("people", DataStoreType.Config),
673 successShardResult("cars", DataStoreType.Operational),
674 successShardResult("people", DataStoreType.Operational));
676 verifyVotingStates(new DistributedDataStore[]{leaderNode1.configDataStore(), leaderNode1.operDataStore(),
677 replicaNode2.configDataStore(), replicaNode2.operDataStore(),
678 replicaNode3.configDataStore(), replicaNode3.operDataStore()},
679 new String[]{"cars", "people"},
680 new SimpleEntry<>("member-1", false), new SimpleEntry<>("member-2", false),
681 new SimpleEntry<>("member-3", true));
683 // Leadership should have transferred to member 3 since it is the only remaining voting member.
684 verifyRaftState(leaderNode1.configDataStore(), "cars", raftState -> {
685 assertNotNull("Expected non-null leader Id", raftState.getLeader());
686 assertTrue("Expected leader member-1. Actual: " + raftState.getLeader(),
687 raftState.getLeader().contains("member-3"));
690 verifyRaftState(leaderNode1.operDataStore(), "cars", raftState -> {
691 assertNotNull("Expected non-null leader Id", raftState.getLeader());
692 assertTrue("Expected leader member-1. Actual: " + raftState.getLeader(),
693 raftState.getLeader().contains("member-3"));
696 // Flip the voting states back to the original states.
698 rpcResult = service3.flipMemberVotingStatesForAllShards(). get(10, TimeUnit.SECONDS);
699 result = verifySuccessfulRpcResult(rpcResult);
700 verifyShardResults(result.getShardResult(), successShardResult("cars", DataStoreType.Config),
701 successShardResult("people", DataStoreType.Config),
702 successShardResult("cars", DataStoreType.Operational),
703 successShardResult("people", DataStoreType.Operational));
705 verifyVotingStates(new DistributedDataStore[]{leaderNode1.configDataStore(), leaderNode1.operDataStore(),
706 replicaNode2.configDataStore(), replicaNode2.operDataStore(),
707 replicaNode3.configDataStore(), replicaNode3.operDataStore()},
708 new String[]{"cars", "people"},
709 new SimpleEntry<>("member-1", true), new SimpleEntry<>("member-2", true),
710 new SimpleEntry<>("member-3", false));
712 // Leadership should have transferred to member 1 or 2.
713 verifyRaftState(leaderNode1.configDataStore(), "cars", raftState -> {
714 assertNotNull("Expected non-null leader Id", raftState.getLeader());
715 assertTrue("Expected leader member-1 or member-2. Actual: " + raftState.getLeader(),
716 raftState.getLeader().contains("member-1") || raftState.getLeader().contains("member-2"));
721 public void testFlipMemberVotingStatesWithNoInitialLeader() throws Exception {
722 String name = "testFlipMemberVotingStatesWithNoInitialLeader";
724 // Members 1, 2, and 3 are initially started up as non-voting. Members 4, 5, and 6 are initially
725 // non-voting and simulated as down by not starting them up.
726 ServerConfigurationPayload persistedServerConfig = new ServerConfigurationPayload(Arrays.asList(
727 new ServerInfo("member-1", false), new ServerInfo("member-2", false),
728 new ServerInfo("member-3", false), new ServerInfo("member-4", true),
729 new ServerInfo("member-5", true), new ServerInfo("member-6", true)));
731 setupPersistedServerConfigPayload(persistedServerConfig, "member-1", name, "cars", "people");
732 setupPersistedServerConfigPayload(persistedServerConfig, "member-2", name, "cars", "people");
733 setupPersistedServerConfigPayload(persistedServerConfig, "member-3", name, "cars", "people");
735 String moduleShardsConfig = "module-shards-member1-and-2-and-3.conf";
736 MemberNode replicaNode1 = MemberNode.builder(memberNodes).akkaConfig("Member1").testName(name ).
737 moduleShardsConfig(moduleShardsConfig).datastoreContextBuilder(DatastoreContext.newBuilder().
738 shardHeartbeatIntervalInMillis(300).shardElectionTimeoutFactor(1)).build();
740 MemberNode replicaNode2 = MemberNode.builder(memberNodes).akkaConfig("Member2").testName(name).
741 moduleShardsConfig(moduleShardsConfig).build();
743 MemberNode replicaNode3 = MemberNode.builder(memberNodes).akkaConfig("Member3").testName(name).
744 moduleShardsConfig(moduleShardsConfig).build();
746 // Initially there won't be a leader b/c all the up nodes are non-voting.
748 replicaNode1.waitForMembersUp("member-2", "member-3");
750 verifyVotingStates(replicaNode1.configDataStore(), "cars", new SimpleEntry<>("member-1", false),
751 new SimpleEntry<>("member-2", false), new SimpleEntry<>("member-3", false),
752 new SimpleEntry<>("member-4", true), new SimpleEntry<>("member-5", true),
753 new SimpleEntry<>("member-6", true));
755 verifyRaftState(replicaNode1.configDataStore(), "cars", raftState ->
756 assertEquals("Expected raft state", RaftState.Follower.toString(), raftState.getRaftState()));
758 ClusterAdminRpcService service1 = new ClusterAdminRpcService(replicaNode1.configDataStore(),
759 replicaNode1.operDataStore());
761 RpcResult<FlipMemberVotingStatesForAllShardsOutput> rpcResult = service1.flipMemberVotingStatesForAllShards().
762 get(10, TimeUnit.SECONDS);
763 FlipMemberVotingStatesForAllShardsOutput result = verifySuccessfulRpcResult(rpcResult);
764 verifyShardResults(result.getShardResult(), successShardResult("cars", DataStoreType.Config),
765 successShardResult("people", DataStoreType.Config),
766 successShardResult("cars", DataStoreType.Operational),
767 successShardResult("people", DataStoreType.Operational));
769 verifyVotingStates(new DistributedDataStore[]{replicaNode1.configDataStore(), replicaNode1.operDataStore(),
770 replicaNode2.configDataStore(), replicaNode2.operDataStore(),
771 replicaNode3.configDataStore(), replicaNode3.operDataStore()},
772 new String[]{"cars", "people"},
773 new SimpleEntry<>("member-1", true), new SimpleEntry<>("member-2", true),
774 new SimpleEntry<>("member-3", true), new SimpleEntry<>("member-4", false),
775 new SimpleEntry<>("member-5", false), new SimpleEntry<>("member-6", false));
777 // Since member 1 was changed to voting and there was no leader, it should've started and election
779 verifyRaftState(replicaNode1.configDataStore(), "cars", raftState -> {
780 assertNotNull("Expected non-null leader Id", raftState.getLeader());
781 assertTrue("Expected leader member-1. Actual: " + raftState.getLeader(),
782 raftState.getLeader().contains("member-1"));
785 verifyRaftState(replicaNode1.operDataStore(), "cars", raftState -> {
786 assertNotNull("Expected non-null leader Id", raftState.getLeader());
787 assertTrue("Expected leader member-1. Actual: " + raftState.getLeader(),
788 raftState.getLeader().contains("member-1"));
793 public void testFlipMemberVotingStatesWithVotingMembersDown() throws Exception {
794 String name = "testFlipMemberVotingStatesWithVotingMembersDown";
796 // Members 4, 5, and 6 are initially non-voting and simulated as down by not starting them up.
797 ServerConfigurationPayload persistedServerConfig = new ServerConfigurationPayload(Arrays.asList(
798 new ServerInfo("member-1", true), new ServerInfo("member-2", true),
799 new ServerInfo("member-3", true), new ServerInfo("member-4", false),
800 new ServerInfo("member-5", false), new ServerInfo("member-6", false)));
802 setupPersistedServerConfigPayload(persistedServerConfig, "member-1", name, "cars", "people");
803 setupPersistedServerConfigPayload(persistedServerConfig, "member-2", name, "cars", "people");
804 setupPersistedServerConfigPayload(persistedServerConfig, "member-3", name, "cars", "people");
806 String moduleShardsConfig = "module-shards-member1-and-2-and-3.conf";
807 MemberNode leaderNode1 = MemberNode.builder(memberNodes).akkaConfig("Member1").testName(name ).
808 moduleShardsConfig(moduleShardsConfig).datastoreContextBuilder(DatastoreContext.newBuilder().
809 shardHeartbeatIntervalInMillis(300).shardElectionTimeoutFactor(1)).build();
811 MemberNode replicaNode2 = MemberNode.builder(memberNodes).akkaConfig("Member2").testName(name).
812 moduleShardsConfig(moduleShardsConfig).build();
814 MemberNode replicaNode3 = MemberNode.builder(memberNodes).akkaConfig("Member3").testName(name).
815 moduleShardsConfig(moduleShardsConfig).build();
817 leaderNode1.configDataStore().waitTillReady();
818 leaderNode1.operDataStore().waitTillReady();
819 verifyVotingStates(leaderNode1.configDataStore(), "cars", new SimpleEntry<>("member-1", true),
820 new SimpleEntry<>("member-2", true), new SimpleEntry<>("member-3", true),
821 new SimpleEntry<>("member-4", false), new SimpleEntry<>("member-5", false),
822 new SimpleEntry<>("member-6", false));
824 ClusterAdminRpcService service1 = new ClusterAdminRpcService(leaderNode1.configDataStore(),
825 leaderNode1.operDataStore());
827 RpcResult<FlipMemberVotingStatesForAllShardsOutput> rpcResult = service1.flipMemberVotingStatesForAllShards().
828 get(10, TimeUnit.SECONDS);
829 FlipMemberVotingStatesForAllShardsOutput result = verifySuccessfulRpcResult(rpcResult);
830 verifyShardResults(result.getShardResult(), successShardResult("cars", DataStoreType.Config),
831 successShardResult("people", DataStoreType.Config),
832 successShardResult("cars", DataStoreType.Operational),
833 successShardResult("people", DataStoreType.Operational));
835 // Members 2 and 3 are now non-voting but should get replicated with the new new server config.
836 verifyVotingStates(new DistributedDataStore[]{leaderNode1.configDataStore(), leaderNode1.operDataStore(),
837 replicaNode2.configDataStore(), replicaNode2.operDataStore(),
838 replicaNode3.configDataStore(), replicaNode3.operDataStore()},
839 new String[]{"cars", "people"},
840 new SimpleEntry<>("member-1", false), new SimpleEntry<>("member-2", false),
841 new SimpleEntry<>("member-3", false), new SimpleEntry<>("member-4", true),
842 new SimpleEntry<>("member-5", true), new SimpleEntry<>("member-6", true));
844 // The leader (member 1) was changed to non-voting but it shouldn't be able to step down as leader yet
845 // b/c it can't get a majority consensus with all voting members down. So verify it remains the leader.
846 verifyRaftState(leaderNode1.configDataStore(), "cars", raftState -> {
847 assertNotNull("Expected non-null leader Id", raftState.getLeader());
848 assertTrue("Expected leader member-1", raftState.getLeader().contains("member-1"));
852 private void setupPersistedServerConfigPayload(ServerConfigurationPayload serverConfig,
853 String member, String datastoreTypeSuffix, String... shards) {
854 String[] datastoreTypes = {"config_", "oper_"};
855 for(String type: datastoreTypes) {
856 for(String shard: shards) {
857 List<ServerInfo> newServerInfo = new ArrayList<>(serverConfig.getServerConfig().size());
858 for(ServerInfo info: serverConfig.getServerConfig()) {
859 newServerInfo.add(new ServerInfo(ShardIdentifier.create(shard, MemberName.forName(info.getId()),
860 type + datastoreTypeSuffix).toString(), info.isVoting()));
863 String shardID = ShardIdentifier.create(shard, MemberName.forName(member),
864 type + datastoreTypeSuffix).toString();
865 InMemoryJournal.addEntry(shardID, 1, new UpdateElectionTerm(1, null));
866 InMemoryJournal.addEntry(shardID, 2, new ReplicatedLogImplEntry(0, 1,
867 new ServerConfigurationPayload(newServerInfo)));
873 private static void verifyVotingStates(DistributedDataStore[] datastores, String[] shards,
874 SimpleEntry<String, Boolean>... expStates) throws Exception {
875 for(DistributedDataStore datastore: datastores) {
876 for(String shard: shards) {
877 verifyVotingStates(datastore, shard, expStates);
883 private static void verifyVotingStates(DistributedDataStore datastore, String shardName,
884 SimpleEntry<String, Boolean>... expStates) throws Exception {
885 String localMemberName = datastore.getActorContext().getCurrentMemberName().getName();
886 Map<String, Boolean> expStateMap = new HashMap<>();
887 for(Entry<String, Boolean> e: expStates) {
888 expStateMap.put(ShardIdentifier.create(shardName, MemberName.forName(e.getKey()),
889 datastore.getActorContext().getDataStoreName()).toString(), e.getValue());
892 verifyRaftState(datastore, shardName, raftState -> {
893 String localPeerId = ShardIdentifier.create(shardName, MemberName.forName(localMemberName),
894 datastore.getActorContext().getDataStoreName()).toString();
895 assertEquals("Voting state for " + localPeerId, expStateMap.get(localPeerId), raftState.isVoting());
896 for(Entry<String, Boolean> e: raftState.getPeerVotingStates().entrySet()) {
897 assertEquals("Voting state for " + e.getKey(), expStateMap.get(e.getKey()), e.getValue());
902 private static void verifyShardResults(List<ShardResult> shardResults, ShardResult... expShardResults) {
903 Map<String, ShardResult> expResultsMap = new HashMap<>();
904 for(ShardResult r: expShardResults) {
905 expResultsMap.put(r.getShardName() + "-" + r.getDataStoreType(), r);
908 for(ShardResult result: shardResults) {
909 ShardResult exp = expResultsMap.remove(result.getShardName() + "-" + result.getDataStoreType());
910 assertNotNull(String.format("Unexpected result for shard %s, type %s", result.getShardName(),
911 result.getDataStoreType()), exp);
912 assertEquals("isSucceeded", exp.isSucceeded(), result.isSucceeded());
913 if(exp.isSucceeded()) {
914 assertNull("Expected null error message", result.getErrorMessage());
916 assertNotNull("Expected error message", result.getErrorMessage());
920 if(!expResultsMap.isEmpty()) {
921 fail("Missing shard results for " + expResultsMap.keySet());
925 private static ShardResult successShardResult(String shardName, DataStoreType type) {
926 return new ShardResultBuilder().setDataStoreType(type).setShardName(shardName).setSucceeded(true).build();
929 private static ShardResult failedShardResult(String shardName, DataStoreType type) {
930 return new ShardResultBuilder().setDataStoreType(type).setShardName(shardName).setSucceeded(false).build();