package org.opendaylight.controller.cluster.raft;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotEquals;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertNull;
+import static org.junit.Assert.assertTrue;
+import static org.mockito.Matchers.any;
+import static org.mockito.Matchers.anyObject;
+import static org.mockito.Matchers.eq;
+import static org.mockito.Mockito.doReturn;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.times;
+import static org.mockito.Mockito.verify;
import akka.actor.ActorRef;
import akka.actor.ActorSystem;
import akka.actor.PoisonPill;
import com.google.common.collect.Lists;
import com.google.common.util.concurrent.Uninterruptibles;
import com.google.protobuf.ByteString;
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.io.ObjectInputStream;
+import java.io.ObjectOutputStream;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.List;
+import java.util.Map;
+import java.util.concurrent.CountDownLatch;
+import java.util.concurrent.TimeUnit;
+import java.util.concurrent.TimeoutException;
import org.junit.After;
import org.junit.Assert;
import org.junit.Test;
import org.opendaylight.controller.cluster.DataPersistenceProvider;
import org.opendaylight.controller.cluster.datastore.DataPersistenceProviderMonitor;
+import org.opendaylight.controller.cluster.notifications.RoleChanged;
import org.opendaylight.controller.cluster.raft.base.messages.ApplyLogEntries;
import org.opendaylight.controller.cluster.raft.base.messages.ApplySnapshot;
import org.opendaylight.controller.cluster.raft.base.messages.ApplyState;
import org.opendaylight.controller.cluster.raft.client.messages.FindLeader;
import org.opendaylight.controller.cluster.raft.client.messages.FindLeaderReply;
import org.opendaylight.controller.cluster.raft.protobuff.client.messages.Payload;
+import org.opendaylight.controller.cluster.raft.utils.MessageCollectorActor;
import org.opendaylight.controller.cluster.raft.utils.MockAkkaJournal;
import org.opendaylight.controller.cluster.raft.utils.MockSnapshotStore;
import scala.concurrent.Await;
import scala.concurrent.duration.Duration;
import scala.concurrent.duration.FiniteDuration;
-import java.io.ByteArrayInputStream;
-import java.io.ByteArrayOutputStream;
-import java.io.IOException;
-import java.io.ObjectInputStream;
-import java.io.ObjectOutputStream;
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.Collections;
-import java.util.List;
-import java.util.Map;
-import java.util.concurrent.CountDownLatch;
-import java.util.concurrent.TimeUnit;
-import java.util.concurrent.TimeoutException;
-
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertNotEquals;
-import static org.junit.Assert.assertNotNull;
-import static org.junit.Assert.assertNull;
-import static org.junit.Assert.assertTrue;
-import static org.mockito.Matchers.any;
-import static org.mockito.Matchers.anyObject;
-import static org.mockito.Matchers.eq;
-import static org.mockito.Mockito.doReturn;
-import static org.mockito.Mockito.mock;
-import static org.mockito.Mockito.times;
-import static org.mockito.Mockito.verify;
-
public class RaftActorTest extends AbstractActorTest {
private final DataPersistenceProvider dataPersistenceProvider;
private final RaftActor delegate;
+ private final CountDownLatch recoveryComplete = new CountDownLatch(1);
+ private final List<Object> state;
+ private ActorRef roleChangeNotifier;
public static final class MockRaftActorCreator implements Creator<MockRaftActor> {
+ private static final long serialVersionUID = 1L;
private final Map<String, String> peerAddresses;
private final String id;
private final Optional<ConfigParams> config;
private final DataPersistenceProvider dataPersistenceProvider;
+ private final ActorRef roleChangeNotifier;
private MockRaftActorCreator(Map<String, String> peerAddresses, String id,
- Optional<ConfigParams> config, DataPersistenceProvider dataPersistenceProvider) {
+ Optional<ConfigParams> config, DataPersistenceProvider dataPersistenceProvider,
+ ActorRef roleChangeNotifier) {
this.peerAddresses = peerAddresses;
this.id = id;
this.config = config;
this.dataPersistenceProvider = dataPersistenceProvider;
+ this.roleChangeNotifier = roleChangeNotifier;
}
@Override
public MockRaftActor create() throws Exception {
- return new MockRaftActor(id, peerAddresses, config, dataPersistenceProvider);
+ MockRaftActor mockRaftActor = new MockRaftActor(id, peerAddresses, config,
+ dataPersistenceProvider);
+ mockRaftActor.roleChangeNotifier = this.roleChangeNotifier;
+ return mockRaftActor;
}
}
- private final CountDownLatch recoveryComplete = new CountDownLatch(1);
-
- private final List<Object> state;
-
public MockRaftActor(String id, Map<String, String> peerAddresses, Optional<ConfigParams> config, DataPersistenceProvider dataPersistenceProvider) {
super(id, peerAddresses, config);
state = new ArrayList<>();
public static Props props(final String id, final Map<String, String> peerAddresses,
Optional<ConfigParams> config){
- return Props.create(new MockRaftActorCreator(peerAddresses, id, config, null));
+ return Props.create(new MockRaftActorCreator(peerAddresses, id, config, null, null));
}
public static Props props(final String id, final Map<String, String> peerAddresses,
Optional<ConfigParams> config, DataPersistenceProvider dataPersistenceProvider){
- return Props.create(new MockRaftActorCreator(peerAddresses, id, config, dataPersistenceProvider));
+ return Props.create(new MockRaftActorCreator(peerAddresses, id, config, dataPersistenceProvider, null));
}
+ public static Props props(final String id, final Map<String, String> peerAddresses,
+ Optional<ConfigParams> config, ActorRef roleChangeNotifier){
+ return Props.create(new MockRaftActorCreator(peerAddresses, id, config, null, roleChangeNotifier));
+ }
@Override protected void applyState(ActorRef clientActor, String identifier, Object data) {
delegate.applyState(clientActor, identifier, data);
LOG.info("applyState called");
}
-
-
-
@Override
protected void startLogRecoveryBatch(int maxBatchSize) {
}
}
@Override
- protected void applyRecoverySnapshot(ByteString snapshot) {
- delegate.applyRecoverySnapshot(snapshot);
+ protected void applyRecoverySnapshot(byte[] bytes) {
+ delegate.applyRecoverySnapshot(bytes);
try {
- Object data = toObject(snapshot);
- System.out.println("!!!!!applyRecoverySnapshot: "+data);
+ Object data = toObject(bytes);
if (data instanceof List) {
state.addAll((List<?>) data);
}
delegate.createSnapshot();
}
- @Override protected void applySnapshot(ByteString snapshot) {
+ @Override protected void applySnapshot(byte [] snapshot) {
delegate.applySnapshot(snapshot);
}
return this.dataPersistenceProvider;
}
+ @Override
+ protected Optional<ActorRef> getRoleChangeNotifier() {
+ return Optional.fromNullable(roleChangeNotifier);
+ }
+
@Override public String persistenceId() {
return this.getId();
}
- private Object toObject(ByteString bs) throws ClassNotFoundException, IOException {
+ private Object toObject(byte[] bs) throws ClassNotFoundException, IOException {
Object obj = null;
ByteArrayInputStream bis = null;
ObjectInputStream ois = null;
try {
- bis = new ByteArrayInputStream(bs.toByteArray());
+ bis = new ByteArrayInputStream(bs);
ois = new ObjectInputStream(bis);
obj = ois.readObject();
} finally {
super(actorSystem);
raftActor = this.getSystem().actorOf(MockRaftActor.props(actorName,
- Collections.EMPTY_MAP, Optional.<ConfigParams>absent()), actorName);
+ Collections.<String,String>emptyMap(), Optional.<ConfigParams>absent()), actorName);
}
config.setHeartBeatInterval(new FiniteDuration(1, TimeUnit.DAYS));
ActorRef followerActor = getSystem().actorOf(MockRaftActor.props(persistenceId,
- Collections.EMPTY_MAP, Optional.<ConfigParams>of(config)), persistenceId);
+ Collections.<String,String>emptyMap(), Optional.<ConfigParams>of(config)), persistenceId);
watch(followerActor);
//reinstate the actor
TestActorRef<MockRaftActor> ref = TestActorRef.create(getSystem(),
- MockRaftActor.props(persistenceId, Collections.EMPTY_MAP,
+ MockRaftActor.props(persistenceId, Collections.<String,String>emptyMap(),
Optional.<ConfigParams>of(config)));
ref.underlyingActor().waitForRecoveryComplete();
config.setHeartBeatInterval(new FiniteDuration(1, TimeUnit.DAYS));
TestActorRef<MockRaftActor> mockActorRef = TestActorRef.create(getSystem(), MockRaftActor.props(persistenceId,
- Collections.EMPTY_MAP, Optional.<ConfigParams>of(config)), persistenceId);
+ Collections.<String,String>emptyMap(), Optional.<ConfigParams>of(config)), persistenceId);
MockRaftActor mockRaftActor = mockActorRef.underlyingActor();
mockRaftActor.onReceiveRecover(new SnapshotOffer(new SnapshotMetadata(persistenceId, 100, 100), snapshot));
- verify(mockRaftActor.delegate).applyRecoverySnapshot(eq(snapshotBytes));
+ verify(mockRaftActor.delegate).applyRecoverySnapshot(eq(snapshotBytes.toByteArray()));
mockRaftActor.onReceiveRecover(new ReplicatedLogImplEntry(0, 1, new MockRaftActorContext.MockPayload("A")));
config.setHeartBeatInterval(new FiniteDuration(1, TimeUnit.DAYS));
TestActorRef<MockRaftActor> mockActorRef = TestActorRef.create(getSystem(), MockRaftActor.props(persistenceId,
- Collections.EMPTY_MAP, Optional.<ConfigParams>of(config), new DataPersistenceProviderMonitor()), persistenceId);
+ Collections.<String,String>emptyMap(), Optional.<ConfigParams>of(config), new DataPersistenceProviderMonitor()), persistenceId);
MockRaftActor mockRaftActor = mockActorRef.underlyingActor();
mockRaftActor.onReceiveRecover(new SnapshotOffer(new SnapshotMetadata(persistenceId, 100, 100), snapshot));
- verify(mockRaftActor.delegate, times(0)).applyRecoverySnapshot(any(ByteString.class));
+ verify(mockRaftActor.delegate, times(0)).applyRecoverySnapshot(any(byte[].class));
mockRaftActor.onReceiveRecover(new ReplicatedLogImplEntry(0, 1, new MockRaftActorContext.MockPayload("A")));
dataPersistenceProviderMonitor.setPersistLatch(persistLatch);
TestActorRef<MockRaftActor> mockActorRef = TestActorRef.create(getSystem(), MockRaftActor.props(persistenceId,
- Collections.EMPTY_MAP, Optional.<ConfigParams>of(config), dataPersistenceProviderMonitor), persistenceId);
+ Collections.<String,String>emptyMap(), Optional.<ConfigParams>of(config), dataPersistenceProviderMonitor), persistenceId);
MockRaftActor mockRaftActor = mockActorRef.underlyingActor();
DataPersistenceProvider dataPersistenceProvider = mock(DataPersistenceProvider.class);
TestActorRef<MockRaftActor> mockActorRef = TestActorRef.create(getSystem(), MockRaftActor.props(persistenceId,
- Collections.EMPTY_MAP, Optional.<ConfigParams>of(config), dataPersistenceProvider), persistenceId);
+ Collections.<String,String>emptyMap(), Optional.<ConfigParams>of(config), dataPersistenceProvider), persistenceId);
MockRaftActor mockRaftActor = mockActorRef.underlyingActor();
DataPersistenceProvider dataPersistenceProvider = mock(DataPersistenceProvider.class);
TestActorRef<MockRaftActor> mockActorRef = TestActorRef.create(getSystem(), MockRaftActor.props(persistenceId,
- Collections.EMPTY_MAP, Optional.<ConfigParams>of(config), dataPersistenceProvider), persistenceId);
+ Collections.<String,String>emptyMap(), Optional.<ConfigParams>of(config), dataPersistenceProvider), persistenceId);
MockRaftActor mockRaftActor = mockActorRef.underlyingActor();
DataPersistenceProvider dataPersistenceProvider = mock(DataPersistenceProvider.class);
TestActorRef<MockRaftActor> mockActorRef = TestActorRef.create(getSystem(), MockRaftActor.props(persistenceId,
- Collections.EMPTY_MAP, Optional.<ConfigParams>of(config), dataPersistenceProvider), persistenceId);
+ Collections.<String,String>emptyMap(), Optional.<ConfigParams>of(config), dataPersistenceProvider), persistenceId);
MockRaftActor mockRaftActor = mockActorRef.underlyingActor();
DataPersistenceProvider dataPersistenceProvider = mock(DataPersistenceProvider.class);
TestActorRef<MockRaftActor> mockActorRef = TestActorRef.create(getSystem(),
- MockRaftActor.props(persistenceId,Collections.EMPTY_MAP,
+ MockRaftActor.props(persistenceId,Collections.<String,String>emptyMap(),
Optional.<ConfigParams>of(config), dataPersistenceProvider), persistenceId);
MockRaftActor mockRaftActor = mockActorRef.underlyingActor();
mockRaftActor.setCurrentBehavior(new Leader(raftActorContext));
- mockRaftActor.onReceiveCommand(new CaptureSnapshotReply(snapshotBytes));
+ mockRaftActor.onReceiveCommand(new CaptureSnapshotReply(snapshotBytes.toByteArray()));
verify(dataPersistenceProvider).saveSnapshot(anyObject());
DataPersistenceProvider dataPersistenceProvider = mock(DataPersistenceProvider.class);
TestActorRef<MockRaftActor> mockActorRef = TestActorRef.create(getSystem(), MockRaftActor.props(persistenceId,
- Collections.EMPTY_MAP, Optional.<ConfigParams>of(config), dataPersistenceProvider), persistenceId);
+ Collections.<String,String>emptyMap(), Optional.<ConfigParams>of(config), dataPersistenceProvider), persistenceId);
MockRaftActor mockRaftActor = mockActorRef.underlyingActor();
verify(mockRaftActor.delegate).createSnapshot();
- mockRaftActor.onReceiveCommand(new CaptureSnapshotReply(snapshotBytes));
+ mockRaftActor.onReceiveCommand(new CaptureSnapshotReply(snapshotBytes.toByteArray()));
mockRaftActor.onReceiveCommand(new SaveSnapshotSuccess(new SnapshotMetadata("foo", 100, 100)));
DataPersistenceProvider dataPersistenceProvider = mock(DataPersistenceProvider.class);
TestActorRef<MockRaftActor> mockActorRef = TestActorRef.create(getSystem(), MockRaftActor.props(persistenceId,
- Collections.EMPTY_MAP, Optional.<ConfigParams>of(config), dataPersistenceProvider), persistenceId);
+ Collections.<String,String>emptyMap(), Optional.<ConfigParams>of(config), dataPersistenceProvider), persistenceId);
MockRaftActor mockRaftActor = mockActorRef.underlyingActor();
DataPersistenceProviderMonitor dataPersistenceProviderMonitor = new DataPersistenceProviderMonitor();
TestActorRef<MockRaftActor> mockActorRef = TestActorRef.create(getSystem(), MockRaftActor.props(persistenceId,
- Collections.EMPTY_MAP, Optional.<ConfigParams>of(config), dataPersistenceProviderMonitor), persistenceId);
+ Collections.<String,String>emptyMap(), Optional.<ConfigParams>of(config), dataPersistenceProviderMonitor), persistenceId);
MockRaftActor mockRaftActor = mockActorRef.underlyingActor();
mockRaftActor.onReceiveCommand(new ApplySnapshot(snapshot));
- verify(mockRaftActor.delegate).applySnapshot(eq(snapshotBytes));
+ verify(mockRaftActor.delegate).applySnapshot(eq(snapshot.getState()));
assertTrue("The replicatedLog should have changed",
oldReplicatedLog != mockRaftActor.getReplicatedLog());
DataPersistenceProviderMonitor dataPersistenceProviderMonitor = new DataPersistenceProviderMonitor();
TestActorRef<MockRaftActor> mockActorRef = TestActorRef.create(getSystem(), MockRaftActor.props(persistenceId,
- Collections.EMPTY_MAP, Optional.<ConfigParams>of(config), dataPersistenceProviderMonitor), persistenceId);
+ Collections.<String,String>emptyMap(), Optional.<ConfigParams>of(config), dataPersistenceProviderMonitor), persistenceId);
MockRaftActor mockRaftActor = mockActorRef.underlyingActor();
mockRaftActor.onReceiveCommand(new CaptureSnapshot(-1,1,-1,1));
- mockRaftActor.onReceiveCommand(new CaptureSnapshotReply(snapshotBytes));
+ mockRaftActor.onReceiveCommand(new CaptureSnapshotReply(snapshotBytes.toByteArray()));
mockRaftActor.onReceiveCommand(new SaveSnapshotFailure(new SnapshotMetadata("foobar", 10L, 1234L),
new Exception()));
};
}
+ @Test
+ public void testRaftRoleChangeNotifier() throws Exception {
+ new JavaTestKit(getSystem()) {{
+ ActorRef notifierActor = getSystem().actorOf(Props.create(MessageCollectorActor.class));
+ DefaultConfigParamsImpl config = new DefaultConfigParamsImpl();
+ String id = "testRaftRoleChangeNotifier";
+
+ TestActorRef<MockRaftActor> mockActorRef = TestActorRef.create(getSystem(), MockRaftActor.props(id,
+ Collections.<String,String>emptyMap(), Optional.<ConfigParams>of(config), notifierActor), id);
+
+ // sleeping for a minimum of 2 seconds, if it spans more its fine.
+ Uninterruptibles.sleepUninterruptibly(2, TimeUnit.SECONDS);
+
+ List<Object> matches = MessageCollectorActor.getAllMatching(notifierActor, RoleChanged.class);
+ assertNotNull(matches);
+ assertEquals(3, matches.size());
+
+ // check if the notifier got a role change from null to Follower
+ RoleChanged raftRoleChanged = (RoleChanged) matches.get(0);
+ assertEquals(id, raftRoleChanged.getMemberId());
+ assertNull(raftRoleChanged.getOldRole());
+ assertEquals(RaftState.Follower.name(), raftRoleChanged.getNewRole());
+
+ // check if the notifier got a role change from Follower to Candidate
+ raftRoleChanged = (RoleChanged) matches.get(1);
+ assertEquals(id, raftRoleChanged.getMemberId());
+ assertEquals(RaftState.Follower.name(), raftRoleChanged.getOldRole());
+ assertEquals(RaftState.Candidate.name(), raftRoleChanged.getNewRole());
+
+ // check if the notifier got a role change from Candidate to Leader
+ raftRoleChanged = (RoleChanged) matches.get(2);
+ assertEquals(id, raftRoleChanged.getMemberId());
+ assertEquals(RaftState.Candidate.name(), raftRoleChanged.getOldRole());
+ assertEquals(RaftState.Leader.name(), raftRoleChanged.getNewRole());
+ }};
+ }
+
private ByteString fromObject(Object snapshot) throws Exception {
ByteArrayOutputStream b = null;
ObjectOutputStream o = null;