opendaylight/md-sal/sal-cluster-admin/src/test/java/org/opendaylight/controller/cluster/datastore/admin/ClusterAdminRpcServiceTest.java

   1 /*
   2  * Copyright (c) 2015 Brocade Communications Systems, Inc. and others.  All rights reserved.
   3  *
   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
   7  */
   8 package org.opendaylight.controller.cluster.datastore.admin;
   9
  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.fail;
  17 import static org.opendaylight.controller.cluster.datastore.MemberNode.verifyNoShardPresent;
  18 import static org.opendaylight.controller.cluster.datastore.MemberNode.verifyRaftPeersPresent;
  19 import static org.opendaylight.controller.cluster.datastore.MemberNode.verifyRaftState;
  20 import akka.actor.ActorRef;
  21 import akka.actor.PoisonPill;
  22 import akka.actor.Status.Success;
  23 import akka.cluster.Cluster;
  24 import com.google.common.base.Optional;
  25 import com.google.common.collect.ImmutableMap;
  26 import com.google.common.collect.Iterables;
  27 import com.google.common.collect.Sets;
  28 import java.io.File;
  29 import java.io.FileInputStream;
  30 import java.net.URI;
  31 import java.util.ArrayList;
  32 import java.util.Arrays;
  33 import java.util.HashMap;
  34 import java.util.HashSet;
  35 import java.util.List;
  36 import java.util.Map;
  37 import java.util.Set;
  38 import java.util.concurrent.TimeUnit;
  39 import org.apache.commons.lang3.SerializationUtils;
  40 import org.junit.After;
  41 import org.junit.Before;
  42 import org.junit.Test;
  43 import org.opendaylight.controller.cluster.access.concepts.MemberName;
  44 import org.opendaylight.controller.cluster.datastore.DatastoreContext;
  45 import org.opendaylight.controller.cluster.datastore.DistributedDataStore;
  46 import org.opendaylight.controller.cluster.datastore.MemberNode;
  47 import org.opendaylight.controller.cluster.datastore.MemberNode.RaftStateVerifier;
  48 import org.opendaylight.controller.cluster.datastore.Shard;
  49 import org.opendaylight.controller.cluster.datastore.config.ModuleShardConfiguration;
  50 import org.opendaylight.controller.cluster.datastore.messages.CreateShard;
  51 import org.opendaylight.controller.cluster.datastore.messages.DatastoreSnapshot;
  52 import org.opendaylight.controller.cluster.raft.client.messages.OnDemandRaftState;
  53 import org.opendaylight.controller.cluster.raft.utils.InMemoryJournal;
  54 import org.opendaylight.controller.cluster.raft.utils.InMemorySnapshotStore;
  55 import org.opendaylight.controller.md.cluster.datastore.model.CarsModel;
  56 import org.opendaylight.controller.sal.core.spi.data.DOMStoreThreePhaseCommitCohort;
  57 import org.opendaylight.controller.sal.core.spi.data.DOMStoreWriteTransaction;
  58 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.cluster.admin.rev151013.AddReplicasForAllShardsOutput;
  59 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.cluster.admin.rev151013.AddShardReplicaInputBuilder;
  60 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.cluster.admin.rev151013.BackupDatastoreInputBuilder;
  61 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.cluster.admin.rev151013.DataStoreType;
  62 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.cluster.admin.rev151013.RemoveAllShardReplicasInputBuilder;
  63 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.cluster.admin.rev151013.RemoveAllShardReplicasOutput;
  64 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.cluster.admin.rev151013.RemoveShardReplicaInputBuilder;
  65 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.cluster.admin.rev151013.shard.result.output.ShardResult;
  66 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.cluster.admin.rev151013.shard.result.output.ShardResultBuilder;
  67 import org.opendaylight.yangtools.yang.common.RpcError;
  68 import org.opendaylight.yangtools.yang.common.RpcResult;
  69 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
  70
  71 /**
  72  * Unit tests for ClusterAdminRpcService.
  73  *
  74  * @author Thomas Pantelis
  75  */
  76 public class ClusterAdminRpcServiceTest {
  77     private static final MemberName MEMBER_1 = MemberName.forName("member-1");
  78     private static final MemberName MEMBER_2 = MemberName.forName("member-2");
  79     private static final MemberName MEMBER_3 = MemberName.forName("member-3");
  80     private final List<MemberNode> memberNodes = new ArrayList<>();
  81
  82     @Before
  83     public void setUp() {
  84         InMemoryJournal.clear();
  85         InMemorySnapshotStore.clear();
  86     }
  87
  88     @After
  89     public void tearDown() {
  90         for(MemberNode m: memberNodes) {
  91             m.cleanup();
  92         }
  93     }
  94
  95     @Test
  96     public void testBackupDatastore() throws Exception {
  97         MemberNode node = MemberNode.builder(memberNodes).akkaConfig("Member1").
  98                 moduleShardsConfig("module-shards-member1.conf").
  99                 waitForShardLeader("cars", "people").testName("testBackupDatastore").build();
 100
 101         String fileName = "target/testBackupDatastore";
 102         new File(fileName).delete();
 103
 104         ClusterAdminRpcService service = new ClusterAdminRpcService(node.configDataStore(), node.operDataStore());
 105
 106         RpcResult<Void> rpcResult = service .backupDatastore(new BackupDatastoreInputBuilder().
 107                 setFilePath(fileName).build()).get(5, TimeUnit.SECONDS);
 108         verifySuccessfulRpcResult(rpcResult);
 109
 110         try(FileInputStream fis = new FileInputStream(fileName)) {
 111             List<DatastoreSnapshot> snapshots = SerializationUtils.deserialize(fis);
 112             assertEquals("DatastoreSnapshot size", 2, snapshots.size());
 113
 114             ImmutableMap<String, DatastoreSnapshot> map = ImmutableMap.of(snapshots.get(0).getType(), snapshots.get(0),
 115                     snapshots.get(1).getType(), snapshots.get(1));
 116             verifyDatastoreSnapshot(node.configDataStore().getActorContext().getDataStoreName(),
 117                     map.get(node.configDataStore().getActorContext().getDataStoreName()), "cars", "people");
 118         } finally {
 119             new File(fileName).delete();
 120         }
 121
 122         // Test failure by killing a shard.
 123
 124         node.configDataStore().getActorContext().getShardManager().tell(node.datastoreContextBuilder().
 125                 shardInitializationTimeout(200, TimeUnit.MILLISECONDS).build(), ActorRef.noSender());
 126
 127         ActorRef carsShardActor = node.configDataStore().getActorContext().findLocalShard("cars").get();
 128         node.kit().watch(carsShardActor);
 129         carsShardActor.tell(PoisonPill.getInstance(), ActorRef.noSender());
 130         node.kit().expectTerminated(carsShardActor);
 131
 132         rpcResult = service.backupDatastore(new BackupDatastoreInputBuilder().setFilePath(fileName).build()).
 133                 get(5, TimeUnit.SECONDS);
 134         assertEquals("isSuccessful", false, rpcResult.isSuccessful());
 135         assertEquals("getErrors", 1, rpcResult.getErrors().size());
 136
 137         service.close();
 138     }
 139
 140     private static void verifyDatastoreSnapshot(String type, DatastoreSnapshot datastoreSnapshot, String... expShardNames) {
 141         assertNotNull("Missing DatastoreSnapshot for type " + type, datastoreSnapshot);
 142         Set<String> shardNames = new HashSet<>();
 143         for(DatastoreSnapshot.ShardSnapshot s: datastoreSnapshot.getShardSnapshots()) {
 144             shardNames.add(s.getName());
 145         }
 146
 147         assertEquals("DatastoreSnapshot shard names", Sets.newHashSet(expShardNames), shardNames);
 148     }
 149
 150     @Test
 151     public void testAddShardReplica() throws Exception {
 152         String name = "testAddShardReplica";
 153         String moduleShardsConfig = "module-shards-cars-member-1.conf";
 154         MemberNode leaderNode1 = MemberNode.builder(memberNodes).akkaConfig("Member1").testName(name ).
 155                 moduleShardsConfig(moduleShardsConfig).waitForShardLeader("cars").build();
 156
 157         MemberNode newReplicaNode2 = MemberNode.builder(memberNodes).akkaConfig("Member2").testName(name).
 158                 moduleShardsConfig(moduleShardsConfig).build();
 159
 160         leaderNode1.waitForMembersUp("member-2");
 161
 162         doAddShardReplica(newReplicaNode2, "cars", "member-1");
 163
 164         MemberNode newReplicaNode3 = MemberNode.builder(memberNodes).akkaConfig("Member3").testName(name).
 165                 moduleShardsConfig(moduleShardsConfig).build();
 166
 167         leaderNode1.waitForMembersUp("member-3");
 168         newReplicaNode2.waitForMembersUp("member-3");
 169
 170         doAddShardReplica(newReplicaNode3, "cars", "member-1", "member-2");
 171
 172         verifyRaftPeersPresent(newReplicaNode2.configDataStore(), "cars", "member-1", "member-3");
 173         verifyRaftPeersPresent(newReplicaNode2.operDataStore(), "cars", "member-1", "member-3");
 174
 175         // Write data to member-2's config datastore and read/verify via member-3
 176         NormalizedNode<?, ?> configCarsNode = writeCarsNodeAndVerify(newReplicaNode2.configDataStore(),
 177                 newReplicaNode3.configDataStore());
 178
 179         // Write data to member-3's oper datastore and read/verify via member-2
 180         writeCarsNodeAndVerify(newReplicaNode3.operDataStore(), newReplicaNode2.operDataStore());
 181
 182         // Verify all data has been replicated. We expect 3 log entries and thus last applied index of 2 -
 183         // 2 ServerConfigurationPayload entries and the transaction payload entry.
 184
 185         RaftStateVerifier verifier = new RaftStateVerifier() {
 186             @Override
 187             public void verify(OnDemandRaftState raftState) {
 188                 assertEquals("Commit index", 2, raftState.getCommitIndex());
 189                 assertEquals("Last applied index", 2, raftState.getLastApplied());
 190             }
 191         };
 192
 193         verifyRaftState(leaderNode1.configDataStore(), "cars", verifier);
 194         verifyRaftState(leaderNode1.operDataStore(), "cars", verifier);
 195
 196         verifyRaftState(newReplicaNode2.configDataStore(), "cars", verifier);
 197         verifyRaftState(newReplicaNode2.operDataStore(), "cars", verifier);
 198
 199         verifyRaftState(newReplicaNode3.configDataStore(), "cars", verifier);
 200         verifyRaftState(newReplicaNode3.operDataStore(), "cars", verifier);
 201
 202         // Restart member-3 and verify the cars config shard is re-instated.
 203
 204         Cluster.get(leaderNode1.kit().getSystem()).down(Cluster.get(newReplicaNode3.kit().getSystem()).selfAddress());
 205         newReplicaNode3.cleanup();
 206
 207         newReplicaNode3 = MemberNode.builder(memberNodes).akkaConfig("Member3").testName(name).
 208                 moduleShardsConfig(moduleShardsConfig).createOperDatastore(false).build();
 209
 210         verifyRaftState(newReplicaNode3.configDataStore(), "cars", verifier);
 211         readCarsNodeAndVerify(newReplicaNode3.configDataStore(), configCarsNode);
 212     }
 213
 214     @Test
 215     public void testAddShardReplicaFailures() throws Exception {
 216         String name = "testAddShardReplicaFailures";
 217         MemberNode memberNode = MemberNode.builder(memberNodes).akkaConfig("Member1").testName(name).
 218                 moduleShardsConfig("module-shards-cars-member-1.conf").build();
 219
 220         ClusterAdminRpcService service = new ClusterAdminRpcService(memberNode.configDataStore(),
 221                 memberNode.operDataStore());
 222
 223         RpcResult<Void> rpcResult = service.addShardReplica(new AddShardReplicaInputBuilder().
 224                 setDataStoreType(DataStoreType.Config).build()).get(10, TimeUnit.SECONDS);
 225         verifyFailedRpcResult(rpcResult);
 226
 227         rpcResult = service.addShardReplica(new AddShardReplicaInputBuilder().setShardName("cars").
 228                 build()).get(10, TimeUnit.SECONDS);
 229         verifyFailedRpcResult(rpcResult);
 230
 231         rpcResult = service.addShardReplica(new AddShardReplicaInputBuilder().setShardName("people").
 232                 setDataStoreType(DataStoreType.Config).build()).get(10, TimeUnit.SECONDS);
 233         verifyFailedRpcResult(rpcResult);
 234
 235         service.close();
 236     }
 237
 238     private static NormalizedNode<?, ?> writeCarsNodeAndVerify(DistributedDataStore writeToStore,
 239             DistributedDataStore readFromStore) throws Exception {
 240         DOMStoreWriteTransaction writeTx = writeToStore.newWriteOnlyTransaction();
 241         NormalizedNode<?, ?> carsNode = CarsModel.create();
 242         writeTx.write(CarsModel.BASE_PATH, carsNode);
 243
 244         DOMStoreThreePhaseCommitCohort cohort = writeTx.ready();
 245         Boolean canCommit = cohort .canCommit().get(7, TimeUnit.SECONDS);
 246         assertEquals("canCommit", true, canCommit);
 247         cohort.preCommit().get(5, TimeUnit.SECONDS);
 248         cohort.commit().get(5, TimeUnit.SECONDS);
 249
 250         readCarsNodeAndVerify(readFromStore, carsNode);
 251         return carsNode;
 252     }
 253
 254     private static void readCarsNodeAndVerify(DistributedDataStore readFromStore,
 255             NormalizedNode<?, ?> expCarsNode) throws Exception {
 256         Optional<NormalizedNode<?, ?>> optional = readFromStore.newReadOnlyTransaction().
 257                 read(CarsModel.BASE_PATH).get(15, TimeUnit.SECONDS);
 258         assertEquals("isPresent", true, optional.isPresent());
 259         assertEquals("Data node", expCarsNode, optional.get());
 260     }
 261
 262     private static void doAddShardReplica(MemberNode memberNode, String shardName, String... peerMemberNames)
 263             throws Exception {
 264         memberNode.waitForMembersUp(peerMemberNames);
 265
 266         ClusterAdminRpcService service = new ClusterAdminRpcService(memberNode.configDataStore(),
 267                 memberNode.operDataStore());
 268
 269         RpcResult<Void> rpcResult = service.addShardReplica(new AddShardReplicaInputBuilder().setShardName(shardName).
 270                 setDataStoreType(DataStoreType.Config).build()).get(10, TimeUnit.SECONDS);
 271         verifySuccessfulRpcResult(rpcResult);
 272
 273         verifyRaftPeersPresent(memberNode.configDataStore(), shardName, peerMemberNames);
 274
 275         Optional<ActorRef> optional = memberNode.operDataStore().getActorContext().findLocalShard(shardName);
 276         assertEquals("Oper shard present", false, optional.isPresent());
 277
 278         rpcResult = service.addShardReplica(new AddShardReplicaInputBuilder().setShardName(shardName).
 279                 setDataStoreType(DataStoreType.Operational).build()).get(10, TimeUnit.SECONDS);
 280         verifySuccessfulRpcResult(rpcResult);
 281
 282         verifyRaftPeersPresent(memberNode.operDataStore(), shardName, peerMemberNames);
 283
 284         service.close();
 285     }
 286
 287     private static <T> T verifySuccessfulRpcResult(RpcResult<T> rpcResult) {
 288         if(!rpcResult.isSuccessful()) {
 289             if(rpcResult.getErrors().size() > 0) {
 290                 RpcError error = Iterables.getFirst(rpcResult.getErrors(), null);
 291                 throw new AssertionError("Rpc failed with error: " + error, error.getCause());
 292             }
 293
 294             fail("Rpc failed with no error");
 295         }
 296
 297         return rpcResult.getResult();
 298     }
 299
 300     private static void verifyFailedRpcResult(RpcResult<Void> rpcResult) {
 301         assertEquals("RpcResult", false, rpcResult.isSuccessful());
 302         assertEquals("RpcResult errors size", 1, rpcResult.getErrors().size());
 303         RpcError error = Iterables.getFirst(rpcResult.getErrors(), null);
 304         assertNotNull("RpcResult error message null", error.getMessage());
 305     }
 306
 307     @Test
 308     public void testRemoveShardReplica() throws Exception {
 309         String name = "testRemoveShardReplicaLocal";
 310         String moduleShardsConfig = "module-shards-member1-and-2-and-3.conf";
 311         MemberNode leaderNode1 = MemberNode.builder(memberNodes).akkaConfig("Member1").testName(name ).
 312                 moduleShardsConfig(moduleShardsConfig).
 313                 datastoreContextBuilder(DatastoreContext.newBuilder().
 314                         shardHeartbeatIntervalInMillis(300).shardElectionTimeoutFactor(1)).build();
 315
 316         MemberNode replicaNode2 = MemberNode.builder(memberNodes).akkaConfig("Member2").testName(name).
 317                 moduleShardsConfig(moduleShardsConfig).build();
 318
 319         MemberNode replicaNode3 = MemberNode.builder(memberNodes).akkaConfig("Member3").testName(name).
 320                 moduleShardsConfig(moduleShardsConfig).build();
 321
 322         leaderNode1.configDataStore().waitTillReady();
 323         verifyRaftPeersPresent(leaderNode1.configDataStore(), "cars", "member-2", "member-3");
 324         verifyRaftPeersPresent(replicaNode2.configDataStore(), "cars", "member-1", "member-3");
 325         verifyRaftPeersPresent(replicaNode3.configDataStore(), "cars", "member-1", "member-2");
 326
 327         // Invoke RPC service on member-3 to remove it's local shard
 328
 329         ClusterAdminRpcService service3 = new ClusterAdminRpcService(replicaNode3.configDataStore(),
 330                 replicaNode3.operDataStore());
 331
 332         RpcResult<Void> rpcResult = service3.removeShardReplica(new RemoveShardReplicaInputBuilder().
 333                 setShardName("cars").setMemberName("member-3").setDataStoreType(DataStoreType.Config).build()).
 334                         get(10, TimeUnit.SECONDS);
 335         verifySuccessfulRpcResult(rpcResult);
 336         service3.close();
 337
 338         verifyRaftPeersPresent(leaderNode1.configDataStore(), "cars", "member-2");
 339         verifyRaftPeersPresent(replicaNode2.configDataStore(), "cars", "member-1");
 340         verifyNoShardPresent(replicaNode3.configDataStore(), "cars");
 341
 342         // Restart member-2 and verify member-3 isn't present.
 343
 344         Cluster.get(leaderNode1.kit().getSystem()).down(Cluster.get(replicaNode2.kit().getSystem()).selfAddress());
 345         replicaNode2.cleanup();
 346
 347         replicaNode2 = MemberNode.builder(memberNodes).akkaConfig("Member2").testName(name).
 348                 moduleShardsConfig(moduleShardsConfig).build();
 349
 350         verifyRaftPeersPresent(replicaNode2.configDataStore(), "cars", "member-1");
 351
 352         // Invoke RPC service on member-1 to remove member-2
 353
 354         ClusterAdminRpcService service1 = new ClusterAdminRpcService(leaderNode1.configDataStore(),
 355                 leaderNode1.operDataStore());
 356
 357         rpcResult = service1.removeShardReplica(new RemoveShardReplicaInputBuilder().
 358                 setShardName("cars").setMemberName("member-2").setDataStoreType(DataStoreType.Config).build()).
 359                         get(10, TimeUnit.SECONDS);
 360         verifySuccessfulRpcResult(rpcResult);
 361         service1.close();
 362
 363         verifyRaftPeersPresent(leaderNode1.configDataStore(), "cars");
 364         verifyNoShardPresent(replicaNode2.configDataStore(), "cars");
 365     }
 366
 367     @Test
 368     public void testRemoveShardLeaderReplica() throws Exception {
 369         String name = "testRemoveShardLeaderReplica";
 370         String moduleShardsConfig = "module-shards-member1-and-2-and-3.conf";
 371         MemberNode leaderNode1 = MemberNode.builder(memberNodes).akkaConfig("Member1").testName(name ).
 372                 moduleShardsConfig(moduleShardsConfig).
 373                 datastoreContextBuilder(DatastoreContext.newBuilder().
 374                         shardHeartbeatIntervalInMillis(300).shardElectionTimeoutFactor(1)).build();
 375
 376         MemberNode replicaNode2 = MemberNode.builder(memberNodes).akkaConfig("Member2").testName(name).
 377                 moduleShardsConfig(moduleShardsConfig).build();
 378
 379         MemberNode replicaNode3 = MemberNode.builder(memberNodes).akkaConfig("Member3").testName(name).
 380                 moduleShardsConfig(moduleShardsConfig).build();
 381
 382         leaderNode1.configDataStore().waitTillReady();
 383         verifyRaftPeersPresent(leaderNode1.configDataStore(), "cars", "member-2", "member-3");
 384         verifyRaftPeersPresent(replicaNode2.configDataStore(), "cars", "member-1", "member-3");
 385         verifyRaftPeersPresent(replicaNode3.configDataStore(), "cars", "member-1", "member-2");
 386
 387         replicaNode2.waitForMembersUp("member-1", "member-3");
 388         replicaNode2.waitForMembersUp("member-1", "member-2");
 389
 390         // Invoke RPC service on leader member-1 to remove it's local shard
 391
 392         ClusterAdminRpcService service1 = new ClusterAdminRpcService(leaderNode1.configDataStore(),
 393                 leaderNode1.operDataStore());
 394
 395         RpcResult<Void> rpcResult = service1.removeShardReplica(new RemoveShardReplicaInputBuilder().
 396                 setShardName("cars").setMemberName("member-1").setDataStoreType(DataStoreType.Config).build()).
 397                         get(10, TimeUnit.SECONDS);
 398         verifySuccessfulRpcResult(rpcResult);
 399         service1.close();
 400
 401         verifyRaftState(replicaNode2.configDataStore(), "cars", new RaftStateVerifier() {
 402             @Override
 403             public void verify(OnDemandRaftState raftState) {
 404                 assertThat("Leader Id", raftState.getLeader(), anyOf(containsString("member-2"),
 405                         containsString("member-3")));
 406             }
 407         });
 408
 409         verifyRaftPeersPresent(replicaNode2.configDataStore(), "cars", "member-3");
 410         verifyRaftPeersPresent(replicaNode3.configDataStore(), "cars", "member-2");
 411         verifyNoShardPresent(leaderNode1.configDataStore(), "cars");
 412     }
 413
 414     @Test
 415     public void testAddReplicasForAllShards() throws Exception {
 416         String name = "testAddReplicasForAllShards";
 417         String moduleShardsConfig = "module-shards-member1.conf";
 418         MemberNode leaderNode1 = MemberNode.builder(memberNodes).akkaConfig("Member1").testName(name ).
 419                 moduleShardsConfig(moduleShardsConfig).waitForShardLeader("cars", "people").build();
 420
 421         ModuleShardConfiguration petsModuleConfig = new ModuleShardConfiguration(URI.create("pets-ns"), "pets-module",
 422                 "pets", null, Arrays.asList(MEMBER_1));
 423         leaderNode1.configDataStore().getActorContext().getShardManager().tell(
 424                 new CreateShard(petsModuleConfig, Shard.builder(), null), leaderNode1.kit().getRef());
 425         leaderNode1.kit().expectMsgClass(Success.class);
 426         leaderNode1.kit().waitUntilLeader(leaderNode1.configDataStore().getActorContext(), "pets");
 427
 428         MemberNode newReplicaNode2 = MemberNode.builder(memberNodes).akkaConfig("Member2").testName(name).
 429                 moduleShardsConfig(moduleShardsConfig).build();
 430
 431         leaderNode1.waitForMembersUp("member-2");
 432         newReplicaNode2.waitForMembersUp("member-1");
 433
 434         newReplicaNode2.configDataStore().getActorContext().getShardManager().tell(
 435                 new CreateShard(petsModuleConfig, Shard.builder(), null), newReplicaNode2.kit().getRef());
 436         newReplicaNode2.kit().expectMsgClass(Success.class);
 437
 438         newReplicaNode2.operDataStore().getActorContext().getShardManager().tell(
 439                 new CreateShard(new ModuleShardConfiguration(URI.create("no-leader-ns"), "no-leader-module",
 440                         "no-leader", null, Arrays.asList(MEMBER_1)), Shard.builder(), null),
 441                                 newReplicaNode2.kit().getRef());
 442         newReplicaNode2.kit().expectMsgClass(Success.class);
 443
 444         ClusterAdminRpcService service = new ClusterAdminRpcService(newReplicaNode2.configDataStore(),
 445                 newReplicaNode2.operDataStore());
 446
 447         RpcResult<AddReplicasForAllShardsOutput> rpcResult = service.addReplicasForAllShards().get(10, TimeUnit.SECONDS);
 448         AddReplicasForAllShardsOutput result = verifySuccessfulRpcResult(rpcResult);
 449         verifyShardResults(result.getShardResult(), successShardResult("cars", DataStoreType.Config),
 450                 successShardResult("people", DataStoreType.Config),
 451                 successShardResult("pets", DataStoreType.Config),
 452                 successShardResult("cars", DataStoreType.Operational),
 453                 successShardResult("people", DataStoreType.Operational),
 454                 failedShardResult("no-leader", DataStoreType.Operational));
 455
 456         verifyRaftPeersPresent(newReplicaNode2.configDataStore(), "cars", "member-1");
 457         verifyRaftPeersPresent(newReplicaNode2.configDataStore(), "people", "member-1");
 458         verifyRaftPeersPresent(newReplicaNode2.configDataStore(), "pets", "member-1");
 459         verifyRaftPeersPresent(newReplicaNode2.operDataStore(), "cars", "member-1");
 460         verifyRaftPeersPresent(newReplicaNode2.operDataStore(), "people", "member-1");
 461
 462         service.close();
 463     }
 464
 465     @Test
 466     public void testRemoveAllShardReplicas() throws Exception {
 467         String name = "testRemoveAllShardReplicas";
 468         String moduleShardsConfig = "module-shards-member1-and-2-and-3.conf";
 469         MemberNode leaderNode1 = MemberNode.builder(memberNodes).akkaConfig("Member1").testName(name ).
 470                 moduleShardsConfig(moduleShardsConfig).datastoreContextBuilder(DatastoreContext.newBuilder().
 471                         shardHeartbeatIntervalInMillis(300).shardElectionTimeoutFactor(1)).build();
 472
 473         MemberNode replicaNode2 = MemberNode.builder(memberNodes).akkaConfig("Member2").testName(name).
 474                 moduleShardsConfig(moduleShardsConfig).build();
 475
 476         MemberNode replicaNode3 = MemberNode.builder(memberNodes).akkaConfig("Member3").testName(name).
 477                 moduleShardsConfig(moduleShardsConfig).build();
 478
 479         leaderNode1.configDataStore().waitTillReady();
 480         verifyRaftPeersPresent(leaderNode1.configDataStore(), "cars", "member-2", "member-3");
 481         verifyRaftPeersPresent(replicaNode2.configDataStore(), "cars", "member-1", "member-3");
 482         verifyRaftPeersPresent(replicaNode3.configDataStore(), "cars", "member-1", "member-2");
 483
 484         ModuleShardConfiguration petsModuleConfig = new ModuleShardConfiguration(URI.create("pets-ns"), "pets-module",
 485                 "pets", null, Arrays.asList(MEMBER_1, MEMBER_2, MEMBER_3));
 486         leaderNode1.configDataStore().getActorContext().getShardManager().tell(
 487                 new CreateShard(petsModuleConfig, Shard.builder(), null), leaderNode1.kit().getRef());
 488         leaderNode1.kit().expectMsgClass(Success.class);
 489
 490         replicaNode2.configDataStore().getActorContext().getShardManager().tell(
 491                 new CreateShard(petsModuleConfig, Shard.builder(), null), replicaNode2.kit().getRef());
 492         replicaNode2.kit().expectMsgClass(Success.class);
 493
 494         replicaNode3.configDataStore().getActorContext().getShardManager().tell(
 495                 new CreateShard(petsModuleConfig, Shard.builder(), null), replicaNode3.kit().getRef());
 496         replicaNode3.kit().expectMsgClass(Success.class);
 497
 498         verifyRaftPeersPresent(leaderNode1.configDataStore(), "pets", "member-2", "member-3");
 499         verifyRaftPeersPresent(replicaNode2.configDataStore(), "pets", "member-1", "member-3");
 500         verifyRaftPeersPresent(replicaNode3.configDataStore(), "pets", "member-1", "member-2");
 501
 502         ClusterAdminRpcService service3 = new ClusterAdminRpcService(replicaNode3.configDataStore(),
 503                 replicaNode3.operDataStore());
 504
 505         RpcResult<RemoveAllShardReplicasOutput> rpcResult = service3.removeAllShardReplicas(
 506                 new RemoveAllShardReplicasInputBuilder().setMemberName("member-3").build()).get(10, TimeUnit.SECONDS);
 507         RemoveAllShardReplicasOutput result = verifySuccessfulRpcResult(rpcResult);
 508         verifyShardResults(result.getShardResult(), successShardResult("cars", DataStoreType.Config),
 509                 successShardResult("people", DataStoreType.Config),
 510                 successShardResult("pets", DataStoreType.Config),
 511                 successShardResult("cars", DataStoreType.Operational),
 512                 successShardResult("people", DataStoreType.Operational));
 513
 514         verifyRaftPeersPresent(leaderNode1.configDataStore(), "cars", "member-2");
 515         verifyRaftPeersPresent(leaderNode1.configDataStore(), "people", "member-2");
 516         verifyRaftPeersPresent(leaderNode1.configDataStore(), "pets", "member-2");
 517         verifyRaftPeersPresent(replicaNode2.configDataStore(), "cars", "member-1");
 518         verifyRaftPeersPresent(replicaNode2.configDataStore(), "people", "member-1");
 519         verifyRaftPeersPresent(replicaNode2.configDataStore(), "pets", "member-1");
 520         verifyNoShardPresent(replicaNode3.configDataStore(), "cars");
 521         verifyNoShardPresent(replicaNode3.configDataStore(), "people");
 522         verifyNoShardPresent(replicaNode3.configDataStore(), "pets");
 523
 524         service3.close();
 525     }
 526
 527     @Test
 528     public void testConvertMembersToVotingForAllShards() {
 529         // TODO implement
 530     }
 531
 532     @Test
 533     public void testConvertMembersToNonvotingForAllShards() {
 534         // TODO implement
 535     }
 536
 537     private static void verifyShardResults(List<ShardResult> shardResults, ShardResult... expShardResults) {
 538         Map<String, ShardResult> expResultsMap = new HashMap<>();
 539         for(ShardResult r: expShardResults) {
 540             expResultsMap.put(r.getShardName() + "-" + r.getDataStoreType(), r);
 541         }
 542
 543         for(ShardResult result: shardResults) {
 544             ShardResult exp = expResultsMap.remove(result.getShardName() + "-" + result.getDataStoreType());
 545             assertNotNull(String.format("Unexpected result for shard %s, type %s", result.getShardName(),
 546                     result.getDataStoreType()), exp);
 547             assertEquals("isSucceeded", exp.isSucceeded(), result.isSucceeded());
 548             if(exp.isSucceeded()) {
 549                 assertNull("Expected null error message", result.getErrorMessage());
 550             } else {
 551                 assertNotNull("Expected error message", result.getErrorMessage());
 552             }
 553         }
 554
 555         if(!expResultsMap.isEmpty()) {
 556             fail("Missing shard results for " + expResultsMap.keySet());
 557         }
 558     }
 559
 560     private static ShardResult successShardResult(String shardName, DataStoreType type) {
 561         return new ShardResultBuilder().setDataStoreType(type).setShardName(shardName).setSucceeded(true).build();
 562     }
 563
 564     private static ShardResult failedShardResult(String shardName, DataStoreType type) {
 565         return new ShardResultBuilder().setDataStoreType(type).setShardName(shardName).setSucceeded(false).build();
 566     }
 567 }