import org.opendaylight.controller.cluster.datastore.messages.ShardLeaderStateChanged;
import org.opendaylight.controller.cluster.datastore.messages.SwitchShardBehavior;
import org.opendaylight.controller.cluster.datastore.messages.UpdateSchemaContext;
+import org.opendaylight.controller.cluster.datastore.utils.ForwardingActor;
import org.opendaylight.controller.cluster.datastore.utils.MockClusterWrapper;
import org.opendaylight.controller.cluster.datastore.utils.MockConfiguration;
import org.opendaylight.controller.cluster.datastore.utils.PrimaryShardInfoFutureCache;
import org.opendaylight.controller.cluster.raft.client.messages.GetSnapshot;
import org.opendaylight.controller.cluster.raft.messages.AddServer;
import org.opendaylight.controller.cluster.raft.messages.AddServerReply;
+import org.opendaylight.controller.cluster.raft.messages.RemoveServer;
+import org.opendaylight.controller.cluster.raft.messages.RemoveServerReply;
import org.opendaylight.controller.cluster.raft.messages.ServerChangeStatus;
import org.opendaylight.controller.cluster.raft.messages.ServerRemoved;
import org.opendaylight.controller.cluster.raft.policy.DisableElectionsRaftPolicy;
private static String mockShardName;
private final DatastoreContext.Builder datastoreContextBuilder = DatastoreContext.newBuilder().
- dataStoreType(shardMrgIDSuffix).shardInitializationTimeout(600, TimeUnit.MILLISECONDS)
+ dataStoreName(shardMrgIDSuffix).shardInitializationTimeout(600, TimeUnit.MILLISECONDS)
.shardHeartbeatIntervalInMillis(100).shardElectionTimeoutFactor(6);
private final Collection<ActorSystem> actorSystems = new ArrayList<>();
}
private TestShardManager.Builder newTestShardMgrBuilderWithMockShardActor() {
- return TestShardManager.builder(datastoreContextBuilder).shardActor(mockShardActor);
+ return newTestShardMgrBuilderWithMockShardActor(mockShardActor);
}
+ private TestShardManager.Builder newTestShardMgrBuilderWithMockShardActor(ActorRef shardActor) {
+ return TestShardManager.builder(datastoreContextBuilder).shardActor(shardActor);
+ }
+
+
private Props newPropsShardMgrWithMockShardActor() {
return newTestShardMgrBuilderWithMockShardActor().props();
}
+ private Props newPropsShardMgrWithMockShardActor(ActorRef shardActor) {
+ return newTestShardMgrBuilderWithMockShardActor(shardActor).props();
+ }
+
+
private TestShardManager newTestShardManager() {
return newTestShardManager(newShardMgrProps());
}
MessageCollectorActor.expectFirstMatching(mockShardActor1, PeerUp.class);
+ // Test FindPrimary wait succeeds after reachable member event.
+
+ shardManager1.underlyingActor().onReceiveCommand(MockClusterWrapper.
+ createUnreachableMember("member-2", "akka.tcp://cluster-test@127.0.0.1:2558"));
+ shardManager1.underlyingActor().waitForUnreachableMember();
+
+ shardManager1.tell(new FindPrimary("default", true), getRef());
+
+ shardManager1.underlyingActor().onReceiveCommand(MockClusterWrapper.
+ createReachableMember("member-2", "akka.tcp://cluster-test@127.0.0.1:2558"));
+
+ RemotePrimaryShardFound found2 = expectMsgClass(duration("5 seconds"), RemotePrimaryShardFound.class);
+ String path2 = found2.getPrimaryPath();
+ assertTrue("Unexpected primary path " + path2, path2.contains("member-2-shard-default-config"));
}};
LOG.info("testShardAvailabilityOnChangeOfMemberReachability ending");
@Test
public void testAddShardReplica() throws Exception {
- LOG.info("testAddShardReplica starting");
-
MockConfiguration mockConfig =
new MockConfiguration(ImmutableMap.<String, List<String>>builder().
put("default", Arrays.asList("member-1", "member-2")).
put("astronauts", Arrays.asList("member-2")).build());
- String shardManagerID = ShardManagerIdentifier.builder().type(shardMrgIDSuffix).build().toString();
+ final String shardManagerID = ShardManagerIdentifier.builder().type(shardMrgIDSuffix).build().toString();
+ datastoreContextBuilder.shardManagerPersistenceId(shardManagerID);
// Create an ActorSystem ShardManager actor for member-1.
final ActorSystem system1 = newActorSystem("Member1");
newReplicaShardManager.underlyingActor().waitForMemberUp();
leaderShardManager.underlyingActor().waitForMemberUp();
+ //Have a dummy snapshot to be overwritten by the new data persisted.
+ String[] restoredShards = {"default", "people"};
+ ShardManagerSnapshot snapshot = new ShardManagerSnapshot(Arrays.asList(restoredShards));
+ InMemorySnapshotStore.addSnapshot(shardManagerID, snapshot);
+ Uninterruptibles.sleepUninterruptibly(2, TimeUnit.MILLISECONDS);
+
+ InMemorySnapshotStore.addSnapshotSavedLatch(shardManagerID);
+ InMemorySnapshotStore.addSnapshotDeletedLatch(shardManagerID);
+
//construct a mock response message
AddServerReply response = new AddServerReply(ServerChangeStatus.OK, memberId2);
mockShardLeaderActor.underlyingActor().updateResponse(response);
AddServer.class);
String addServerId = "member-1-shard-astronauts-" + shardMrgIDSuffix;
assertEquals("AddServer serverId", addServerId, addServerMsg.getNewServerId());
- newReplicaShardManager.underlyingActor()
- .verifySnapshotPersisted(Sets.newHashSet("default", "astronauts"));
expectMsgClass(duration("5 seconds"), Status.Success.class);
+
+ InMemorySnapshotStore.waitForSavedSnapshot(shardManagerID, ShardManagerSnapshot.class);
+ InMemorySnapshotStore.waitForDeletedSnapshot(shardManagerID);
+ List<ShardManagerSnapshot> persistedSnapshots =
+ InMemorySnapshotStore.getSnapshots(shardManagerID, ShardManagerSnapshot.class);
+ assertEquals("Number of snapshots persisted", 1, persistedSnapshots.size());
+ ShardManagerSnapshot shardManagerSnapshot = persistedSnapshots.get(0);
+ assertEquals("Persisted local shards", Sets.newHashSet("default", "astronauts"),
+ Sets.newHashSet(shardManagerSnapshot.getShardList()));
}};
LOG.info("testAddShardReplica ending");
@Test
public void testAddShardReplicaWithAlreadyInProgress() throws Exception {
- LOG.info("testAddShardReplicaWithAlreadyInProgress starting");
- new JavaTestKit(getSystem()) {{
- JavaTestKit mockShardLeaderKit = new JavaTestKit(getSystem());
- JavaTestKit secondRequestKit = new JavaTestKit(getSystem());
-
- MockConfiguration mockConfig =
- new MockConfiguration(ImmutableMap.<String, List<String>>builder().
- put("astronauts", Arrays.asList("member-2")).build());
-
- final TestActorRef<TestShardManager> shardManager = actorFactory.createTestActor(
- newTestShardMgrBuilder(mockConfig).shardActor(mockShardActor).props(), shardMgrID);
- shardManager.underlyingActor().setMessageInterceptor(newFindPrimaryInterceptor(mockShardLeaderKit.getRef()));
-
- shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
-
- shardManager.tell(new AddShardReplica("astronauts"), getRef());
-
- mockShardLeaderKit.expectMsgClass(AddServer.class);
-
- shardManager.tell(new AddShardReplica("astronauts"), secondRequestKit.getRef());
-
- secondRequestKit.expectMsgClass(duration("5 seconds"), Failure.class);
- }};
-
- LOG.info("testAddShardReplicaWithAlreadyInProgress ending");
+ testServerChangeWhenAlreadyInProgress("astronauts", new AddShardReplica("astronauts"),
+ AddServer.class, new AddShardReplica("astronauts"));
}
@Test
ActorRef shardManager = actorFactory.createActor(newShardMgrProps(
new ConfigurationImpl(new EmptyModuleShardConfigProvider())));
- shardManager.tell(new RemoveShardReplica("model-inventory"), getRef());
- Status.Failure resp = expectMsgClass(duration("2 seconds"), Status.Failure.class);
+ shardManager.tell(new RemoveShardReplica("model-inventory", "member-1"), getRef());
+ Status.Failure resp = expectMsgClass(duration("10 seconds"), Status.Failure.class);
assertEquals("Failure obtained", true,
- (resp.cause() instanceof IllegalArgumentException));
+ (resp.cause() instanceof PrimaryNotFoundException));
}};
+ }
+
+ @Test
+ /**
+ * Primary is Local
+ */
+ public void testRemoveShardReplicaLocal() throws Exception {
+ new JavaTestKit(getSystem()) {{
+ String memberId = "member-1-shard-default-" + shardMrgIDSuffix;
+
+ final TestActorRef<MockRespondActor> respondActor =
+ TestActorRef.create(getSystem(), Props.create(MockRespondActor.class), memberId);
+
+ ActorRef shardManager = getSystem().actorOf(newPropsShardMgrWithMockShardActor(respondActor));
+
+ shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
+ shardManager.tell(new ActorInitialized(), respondActor);
+ shardManager.tell(new ShardLeaderStateChanged(memberId, memberId, Optional.of(mock(DataTree.class)),
+ DataStoreVersions.CURRENT_VERSION), getRef());
+ shardManager.tell((new RoleChangeNotification(memberId, RaftState.Candidate.name(),
+ RaftState.Leader.name())), respondActor);
+ respondActor.underlyingActor().updateResponse(new RemoveServerReply(ServerChangeStatus.OK, null));
+ shardManager.tell(new RemoveShardReplica(Shard.DEFAULT_NAME, "member-1"), getRef());
+ final RemoveServer removeServer = MessageCollectorActor.expectFirstMatching(respondActor, RemoveServer.class);
+ assertEquals(new ShardIdentifier("default", "member-1", shardMrgIDSuffix).toString(),
+ removeServer.getServerId());
+ expectMsgClass(duration("5 seconds"), Success.class);
+ }};
+ }
+
+ @Test
+ public void testRemoveShardReplicaRemote() throws Exception {
+ MockConfiguration mockConfig =
+ new MockConfiguration(ImmutableMap.<String, List<String>>builder().
+ put("default", Arrays.asList("member-1", "member-2")).
+ put("astronauts", Arrays.asList("member-1")).build());
+
+ String shardManagerID = ShardManagerIdentifier.builder().type(shardMrgIDSuffix).build().toString();
+
+ // Create an ActorSystem ShardManager actor for member-1.
+ final ActorSystem system1 = newActorSystem("Member1");
+ Cluster.get(system1).join(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
+ ActorRef mockDefaultShardActor = newMockShardActor(system1, Shard.DEFAULT_NAME, "member-1");
+
+ final TestActorRef<TestShardManager> newReplicaShardManager = TestActorRef.create(system1,
+ newTestShardMgrBuilder().configuration(mockConfig).shardActor(mockDefaultShardActor).cluster(
+ new ClusterWrapperImpl(system1)).props(),
+ shardManagerID);
+
+ // Create an ActorSystem ShardManager actor for member-2.
+ final ActorSystem system2 = newActorSystem("Member2");
+ Cluster.get(system2).join(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
+
+ String name = new ShardIdentifier("default", "member-2", shardMrgIDSuffix).toString();
+ final TestActorRef<MockRespondActor> mockShardLeaderActor =
+ TestActorRef.create(system2, Props.create(MockRespondActor.class), name);
+
+ LOG.error("Mock Shard Leader Actor : {}", mockShardLeaderActor);
+
+ final TestActorRef<TestShardManager> leaderShardManager = TestActorRef.create(system2,
+ newTestShardMgrBuilder().configuration(mockConfig).shardActor(mockShardLeaderActor).cluster(
+ new ClusterWrapperImpl(system2)).props(),
+ shardManagerID);
+
+ // Because mockShardLeaderActor is created at the top level of the actor system it has an address like so,
+ // akka.tcp://cluster-test@127.0.0.1:2559/user/member-2-shard-default-config1
+ // However when a shard manager has a local shard which is a follower and a leader that is remote it will
+ // try to compute an address for the remote shard leader using the ShardPeerAddressResolver. This address will
+ // look like so,
+ // akka.tcp://cluster-test@127.0.0.1:2559/user/shardmanager-config1/member-2-shard-default-config1
+ // In this specific case if we did a FindPrimary for shard default from member-1 we would come up
+ // with the address of an actor which does not exist, therefore any message sent to that actor would go to
+ // dead letters.
+ // To work around this problem we create a ForwardingActor with the right address and pass to it the
+ // mockShardLeaderActor. The ForwardingActor simply forwards all messages to the mockShardLeaderActor and every
+ // thing works as expected
+ final ActorRef actorRef = leaderShardManager.underlyingActor().context()
+ .actorOf(Props.create(ForwardingActor.class, mockShardLeaderActor), "member-2-shard-default-" + shardMrgIDSuffix);
+
+ LOG.error("Forwarding actor : {}", actorRef);
+
+ new JavaTestKit(system1) {{
+
+ newReplicaShardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
+ leaderShardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
+
+ leaderShardManager.tell(new ActorInitialized(), mockShardLeaderActor);
+ newReplicaShardManager.tell(new ActorInitialized(), mockShardLeaderActor);
+
+ String memberId2 = "member-2-shard-default-" + shardMrgIDSuffix;
+ short leaderVersion = DataStoreVersions.CURRENT_VERSION - 1;
+ leaderShardManager.tell(new ShardLeaderStateChanged(memberId2, memberId2,
+ Optional.of(mock(DataTree.class)), leaderVersion), mockShardLeaderActor);
+ leaderShardManager.tell(new RoleChangeNotification(memberId2,
+ RaftState.Candidate.name(), RaftState.Leader.name()), mockShardLeaderActor);
+
+ String memberId1 = "member-1-shard-default-" + shardMrgIDSuffix;
+ newReplicaShardManager.tell(new ShardLeaderStateChanged(memberId1, memberId2,
+ Optional.of(mock(DataTree.class)), leaderVersion), mockShardActor);
+ newReplicaShardManager.tell(new RoleChangeNotification(memberId1,
+ RaftState.Candidate.name(), RaftState.Follower.name()), mockShardActor);
+
+ newReplicaShardManager.underlyingActor().waitForMemberUp();
+ leaderShardManager.underlyingActor().waitForMemberUp();
+
+ //construct a mock response message
+ RemoveServerReply response = new RemoveServerReply(ServerChangeStatus.OK, memberId2);
+ mockShardLeaderActor.underlyingActor().updateResponse(response);
+ newReplicaShardManager.tell(new RemoveShardReplica("default", "member-1"), getRef());
+ RemoveServer removeServer = MessageCollectorActor.expectFirstMatching(mockShardLeaderActor,
+ RemoveServer.class);
+ String removeServerId = new ShardIdentifier("default", "member-1", shardMrgIDSuffix).toString();
+ assertEquals("RemoveServer serverId", removeServerId, removeServer.getServerId());
+ expectMsgClass(duration("5 seconds"), Status.Success.class);
+ }};
+
+ }
+
+ @Test
+ public void testRemoveShardReplicaWhenAnotherRemoveShardReplicaAlreadyInProgress() throws Exception {
+ testServerChangeWhenAlreadyInProgress("astronauts", new RemoveShardReplica("astronauts", "member-2"),
+ RemoveServer.class, new RemoveShardReplica("astronauts", "member-3"));
+ }
+
+ @Test
+ public void testRemoveShardReplicaWhenAddShardReplicaAlreadyInProgress() throws Exception {
+ testServerChangeWhenAlreadyInProgress("astronauts", new AddShardReplica("astronauts"),
+ AddServer.class, new RemoveShardReplica("astronauts", "member-2"));
+ }
+
+
+ public void testServerChangeWhenAlreadyInProgress(final String shardName, final Object firstServerChange,
+ final Class firstForwardedServerChangeClass,
+ final Object secondServerChange) throws Exception {
+ new JavaTestKit(getSystem()) {{
+ JavaTestKit mockShardLeaderKit = new JavaTestKit(getSystem());
+ JavaTestKit secondRequestKit = new JavaTestKit(getSystem());
+
+ MockConfiguration mockConfig =
+ new MockConfiguration(ImmutableMap.<String, List<String>>builder().
+ put(shardName, Arrays.asList("member-2")).build());
+
+ final TestActorRef<TestShardManager> shardManager = TestActorRef.create(getSystem(),
+ newTestShardMgrBuilder().configuration(mockConfig).shardActor(mockShardActor).cluster(
+ new MockClusterWrapper()).props(),
+ shardMgrID);
+
+ shardManager.underlyingActor().setMessageInterceptor(newFindPrimaryInterceptor(mockShardLeaderKit.getRef()));
+
+ shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
+
+ shardManager.tell(firstServerChange, getRef());
+
+ mockShardLeaderKit.expectMsgClass(firstForwardedServerChangeClass);
+
+ shardManager.tell(secondServerChange, secondRequestKit.getRef());
+
+ secondRequestKit.expectMsgClass(duration("5 seconds"), Failure.class);
+ }};
}
@Test
public void saveSnapshot(Object obj) {
snapshot = (ShardManagerSnapshot) obj;
snapshotPersist.countDown();
+ super.saveSnapshot(obj);
}
void verifySnapshotPersisted(Set<String> shardList) {
private static class MockRespondActor extends MessageCollectorActor {
static final String CLEAR_RESPONSE = "clear-response";
+ static final org.slf4j.Logger LOG = LoggerFactory.getLogger(MockRespondActor.class);
private volatile Object responseMsg;
@Override
public void onReceive(Object message) throws Exception {
+ if(!"get-all-messages".equals(message)) {
+ LOG.debug("Received message : {}", message);
+ }
super.onReceive(message);
- if (message instanceof AddServer) {
- if (responseMsg != null) {
- getSender().tell(responseMsg, getSelf());
- }
- } if(message.equals(CLEAR_RESPONSE)) {
+ if (message instanceof AddServer && responseMsg != null) {
+ getSender().tell(responseMsg, getSelf());
+ } else if(message instanceof RemoveServer && responseMsg != null){
+ getSender().tell(responseMsg, getSelf());
+ } else if(message.equals(CLEAR_RESPONSE)) {
responseMsg = null;
}
}