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