package org.opendaylight.controller.cluster.raft;
import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertTrue;
+import static org.junit.Assert.fail;
+import static org.opendaylight.controller.cluster.raft.utils.MessageCollectorActor.assertNoneMatching;
import static org.opendaylight.controller.cluster.raft.utils.MessageCollectorActor.clearMessages;
import static org.opendaylight.controller.cluster.raft.utils.MessageCollectorActor.expectFirstMatching;
+import static org.opendaylight.controller.cluster.raft.utils.MessageCollectorActor.expectMatching;
+
import akka.actor.ActorRef;
import akka.actor.Props;
import akka.actor.UntypedActor;
import akka.testkit.JavaTestKit;
import akka.testkit.TestActorRef;
import com.google.common.base.Optional;
+import com.google.common.base.Stopwatch;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.Maps;
+import com.google.common.collect.Sets;
+import com.google.common.io.ByteSource;
+import java.io.OutputStream;
+import java.util.ArrayList;
+import java.util.Arrays;
import java.util.Collections;
+import java.util.List;
import java.util.Map;
import java.util.concurrent.TimeUnit;
+import org.apache.commons.lang3.SerializationUtils;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
-import org.opendaylight.controller.cluster.DataPersistenceProvider;
import org.opendaylight.controller.cluster.NonPersistentDataProvider;
+import org.opendaylight.controller.cluster.raft.base.messages.ApplySnapshot;
+import org.opendaylight.controller.cluster.raft.base.messages.ApplyState;
import org.opendaylight.controller.cluster.raft.base.messages.CaptureSnapshotReply;
+import org.opendaylight.controller.cluster.raft.base.messages.InitiateCaptureSnapshot;
+import org.opendaylight.controller.cluster.raft.base.messages.TimeoutNow;
+import org.opendaylight.controller.cluster.raft.behaviors.AbstractLeader;
import org.opendaylight.controller.cluster.raft.behaviors.Follower;
import org.opendaylight.controller.cluster.raft.behaviors.Leader;
+import org.opendaylight.controller.cluster.raft.behaviors.RaftActorBehavior;
import org.opendaylight.controller.cluster.raft.messages.AddServer;
import org.opendaylight.controller.cluster.raft.messages.AddServerReply;
import org.opendaylight.controller.cluster.raft.messages.AppendEntries;
+import org.opendaylight.controller.cluster.raft.messages.ChangeServersVotingStatus;
+import org.opendaylight.controller.cluster.raft.messages.InstallSnapshot;
+import org.opendaylight.controller.cluster.raft.messages.RemoveServer;
+import org.opendaylight.controller.cluster.raft.messages.RemoveServerReply;
+import org.opendaylight.controller.cluster.raft.messages.RequestVote;
+import org.opendaylight.controller.cluster.raft.messages.ServerChangeReply;
import org.opendaylight.controller.cluster.raft.messages.ServerChangeStatus;
+import org.opendaylight.controller.cluster.raft.messages.ServerRemoved;
+import org.opendaylight.controller.cluster.raft.messages.UnInitializedFollowerSnapshotReply;
+import org.opendaylight.controller.cluster.raft.persisted.ApplyJournalEntries;
+import org.opendaylight.controller.cluster.raft.persisted.ByteState;
+import org.opendaylight.controller.cluster.raft.persisted.ServerConfigurationPayload;
+import org.opendaylight.controller.cluster.raft.persisted.ServerInfo;
+import org.opendaylight.controller.cluster.raft.persisted.SimpleReplicatedLogEntry;
+import org.opendaylight.controller.cluster.raft.persisted.UpdateElectionTerm;
import org.opendaylight.controller.cluster.raft.policy.DisableElectionsRaftPolicy;
import org.opendaylight.controller.cluster.raft.utils.ForwardMessageToBehaviorActor;
+import org.opendaylight.controller.cluster.raft.utils.InMemoryJournal;
+import org.opendaylight.controller.cluster.raft.utils.InMemorySnapshotStore;
import org.opendaylight.controller.cluster.raft.utils.MessageCollectorActor;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class RaftActorServerConfigurationSupportTest extends AbstractActorTest {
static final String LEADER_ID = "leader";
static final String FOLLOWER_ID = "follower";
+ static final String FOLLOWER_ID2 = "follower2";
static final String NEW_SERVER_ID = "new-server";
+ static final String NEW_SERVER_ID2 = "new-server2";
private static final Logger LOG = LoggerFactory.getLogger(RaftActorServerConfigurationSupportTest.class);
- private static final DataPersistenceProvider NO_PERSISTENCE = new NonPersistentDataProvider();
+ private static final Class<?> COMMIT_MESSAGE_CLASS = RaftActorSnapshotMessageSupport.COMMIT_SNAPSHOT.getClass();
+ private static final boolean NO_PERSISTENCE = false;
+ private static final boolean PERSISTENT = true;
private final TestActorFactory actorFactory = new TestActorFactory(getSystem());
Props.create(ForwardMessageToBehaviorActor.class).withDispatcher(Dispatchers.DefaultDispatcherId()),
actorFactory.generateActorId(FOLLOWER_ID));
- private final TestActorRef<ForwardMessageToBehaviorActor> newServerActor = actorFactory.createTestActor(
- Props.create(ForwardMessageToBehaviorActor.class).withDispatcher(Dispatchers.DefaultDispatcherId()),
- actorFactory.generateActorId(NEW_SERVER_ID));
+ private TestActorRef<MockNewFollowerRaftActor> newFollowerRaftActor;
+ private TestActorRef<MessageCollectorActor> newFollowerCollectorActor;
+ private RaftActorContext newFollowerActorContext;
- private RaftActorContext newServerActorContext;
private final JavaTestKit testKit = new JavaTestKit(getSystem());
@Before
public void setup() {
+ InMemoryJournal.clear();
+ InMemorySnapshotStore.clear();
+ }
+
+ @SuppressWarnings("checkstyle:IllegalCatch")
+ private void setupNewFollower() {
+ DefaultConfigParamsImpl configParams = newFollowerConfigParams();
+
+ newFollowerCollectorActor = actorFactory.createTestActor(
+ MessageCollectorActor.props().withDispatcher(Dispatchers.DefaultDispatcherId()),
+ actorFactory.generateActorId(NEW_SERVER_ID + "Collector"));
+ newFollowerRaftActor = actorFactory.createTestActor(MockNewFollowerRaftActor.props(
+ configParams, newFollowerCollectorActor).withDispatcher(Dispatchers.DefaultDispatcherId()),
+ actorFactory.generateActorId(NEW_SERVER_ID));
+
+ try {
+ newFollowerActorContext = newFollowerRaftActor.underlyingActor().getRaftActorContext();
+ } catch (Exception e) {
+ newFollowerActorContext = newFollowerRaftActor.underlyingActor().getRaftActorContext();
+ }
+ }
+
+ private static DefaultConfigParamsImpl newFollowerConfigParams() {
DefaultConfigParamsImpl configParams = new DefaultConfigParamsImpl();
configParams.setHeartBeatInterval(new FiniteDuration(100, TimeUnit.MILLISECONDS));
configParams.setElectionTimeoutFactor(100000);
configParams.setCustomRaftPolicyImplementationClass(DisableElectionsRaftPolicy.class.getName());
- newServerActorContext = new RaftActorContextImpl(newServerActor, newServerActor.underlyingActor().getContext(),
- NEW_SERVER_ID, new ElectionTermImpl(NO_PERSISTENCE, NEW_SERVER_ID, LOG), -1, -1,
- Maps.<String, String>newHashMap(), configParams, NO_PERSISTENCE, LOG);
- newServerActorContext.setReplicatedLog(new MockRaftActorContext.MockReplicatedLogBuilder().build());
+ return configParams;
}
@After
}
@Test
- public void testAddServerWithFollower() throws Exception {
- RaftActorContext followerActorContext = newFollowerContext(FOLLOWER_ID, followerActor);
+ public void testAddServerWithExistingFollower() throws Exception {
+ LOG.info("testAddServerWithExistingFollower starting");
+ setupNewFollower();
+ RaftActorContextImpl followerActorContext = newFollowerContext(FOLLOWER_ID, followerActor);
followerActorContext.setReplicatedLog(new MockRaftActorContext.MockReplicatedLogBuilder().createEntries(
0, 3, 1).build());
- followerActorContext.setCommitIndex(3);
- followerActorContext.setLastApplied(3);
+ followerActorContext.setCommitIndex(2);
+ followerActorContext.setLastApplied(2);
Follower follower = new Follower(followerActorContext);
followerActor.underlyingActor().setBehavior(follower);
-
- Follower newServer = new Follower(newServerActorContext);
- newServerActor.underlyingActor().setBehavior(newServer);
+ followerActorContext.setCurrentBehavior(follower);
TestActorRef<MockLeaderRaftActor> leaderActor = actorFactory.createTestActor(
MockLeaderRaftActor.props(ImmutableMap.of(FOLLOWER_ID, followerActor.path().toString()),
clearMessages(followerActor);
MockLeaderRaftActor leaderRaftActor = leaderActor.underlyingActor();
+ final TestActorRef<MessageCollectorActor> leaderCollectorActor = newLeaderCollectorActor(leaderRaftActor);
+
+ leaderActor.tell(new AddServer(NEW_SERVER_ID, newFollowerRaftActor.path().toString(), true), testKit.getRef());
+
+ // Leader should install snapshot - capture and verify ApplySnapshot contents
+
+ ApplySnapshot applySnapshot = expectFirstMatching(newFollowerCollectorActor, ApplySnapshot.class);
+ List<Object> snapshotState = MockRaftActor.fromState(applySnapshot.getSnapshot().getState());
+ assertEquals("Snapshot state", snapshotState, leaderRaftActor.getState());
+
+ AddServerReply addServerReply = testKit.expectMsgClass(JavaTestKit.duration("5 seconds"), AddServerReply.class);
+ assertEquals("getStatus", ServerChangeStatus.OK, addServerReply.getStatus());
+ assertEquals("getLeaderHint", LEADER_ID, addServerReply.getLeaderHint().get());
+
+ // Verify ServerConfigurationPayload entry in leader's log
+
+ expectFirstMatching(leaderCollectorActor, ApplyState.class);
+ RaftActorContext leaderActorContext = leaderRaftActor.getRaftActorContext();
+ assertEquals("Leader journal last index", 3, leaderActorContext.getReplicatedLog().lastIndex());
+ assertEquals("Leader commit index", 3, leaderActorContext.getCommitIndex());
+ assertEquals("Leader last applied index", 3, leaderActorContext.getLastApplied());
+ verifyServerConfigurationPayloadEntry(leaderActorContext.getReplicatedLog(), votingServer(LEADER_ID),
+ votingServer(FOLLOWER_ID), votingServer(NEW_SERVER_ID));
+
+ // Verify ServerConfigurationPayload entry in both followers
+
+ expectFirstMatching(followerActor, ApplyState.class);
+ assertEquals("Follower journal last index", 3, followerActorContext.getReplicatedLog().lastIndex());
+ verifyServerConfigurationPayloadEntry(followerActorContext.getReplicatedLog(), votingServer(LEADER_ID),
+ votingServer(FOLLOWER_ID), votingServer(NEW_SERVER_ID));
+
+ expectFirstMatching(newFollowerCollectorActor, ApplyState.class);
+ assertEquals("New follower journal last index", 3, newFollowerActorContext.getReplicatedLog().lastIndex());
+ verifyServerConfigurationPayloadEntry(newFollowerActorContext.getReplicatedLog(), votingServer(LEADER_ID),
+ votingServer(FOLLOWER_ID), votingServer(NEW_SERVER_ID));
+
+ // Verify new server config was applied in both followers
+
+ assertEquals("Follower peers", Sets.newHashSet(LEADER_ID, NEW_SERVER_ID), followerActorContext.getPeerIds());
+
+ assertEquals("New follower peers", Sets.newHashSet(LEADER_ID, FOLLOWER_ID),
+ newFollowerActorContext.getPeerIds());
+
+ assertEquals("Follower commit index", 3, followerActorContext.getCommitIndex());
+ assertEquals("Follower last applied index", 3, followerActorContext.getLastApplied());
+ assertEquals("New follower commit index", 3, newFollowerActorContext.getCommitIndex());
+ assertEquals("New follower last applied index", 3, newFollowerActorContext.getLastApplied());
+
+ assertEquals("Leader persisted ReplicatedLogImplEntry entries", 0,
+ InMemoryJournal.get(LEADER_ID, SimpleReplicatedLogEntry.class).size());
+ assertEquals("Leader persisted ServerConfigurationPayload entries", 1,
+ InMemoryJournal.get(LEADER_ID, ServerConfigurationPayload.class).size());
+
+ assertEquals("New follower persisted ReplicatedLogImplEntry entries", 0,
+ InMemoryJournal.get(NEW_SERVER_ID, SimpleReplicatedLogEntry.class).size());
+ assertEquals("New follower persisted ServerConfigurationPayload entries", 1,
+ InMemoryJournal.get(NEW_SERVER_ID, ServerConfigurationPayload.class).size());
+
+ LOG.info("testAddServerWithExistingFollower ending");
+ }
+
+ @Test
+ public void testAddServerWithNoExistingFollower() throws Exception {
+ LOG.info("testAddServerWithNoExistingFollower starting");
+
+ setupNewFollower();
+ RaftActorContext initialActorContext = new MockRaftActorContext();
+ initialActorContext.setCommitIndex(1);
+ initialActorContext.setLastApplied(1);
+ initialActorContext.setReplicatedLog(new MockRaftActorContext.MockReplicatedLogBuilder().createEntries(
+ 0, 2, 1).build());
+
+ TestActorRef<MockLeaderRaftActor> leaderActor = actorFactory.createTestActor(
+ MockLeaderRaftActor.props(ImmutableMap.<String, String>of(),
+ initialActorContext).withDispatcher(Dispatchers.DefaultDispatcherId()),
+ actorFactory.generateActorId(LEADER_ID));
+
+ MockLeaderRaftActor leaderRaftActor = leaderActor.underlyingActor();
+ final RaftActorContext leaderActorContext = leaderRaftActor.getRaftActorContext();
+
+ final TestActorRef<MessageCollectorActor> leaderCollectorActor = newLeaderCollectorActor(leaderRaftActor);
+
+ leaderActor.tell(new AddServer(NEW_SERVER_ID, newFollowerRaftActor.path().toString(), true), testKit.getRef());
+
+ // Leader should install snapshot - capture and verify ApplySnapshot contents
+
+ ApplySnapshot applySnapshot = expectFirstMatching(newFollowerCollectorActor, ApplySnapshot.class);
+ List<Object> snapshotState = MockRaftActor.fromState(applySnapshot.getSnapshot().getState());
+ assertEquals("Snapshot state", snapshotState, leaderRaftActor.getState());
+
+ AddServerReply addServerReply = testKit.expectMsgClass(JavaTestKit.duration("5 seconds"), AddServerReply.class);
+ assertEquals("getStatus", ServerChangeStatus.OK, addServerReply.getStatus());
+ assertEquals("getLeaderHint", LEADER_ID, addServerReply.getLeaderHint().get());
+
+ // Verify ServerConfigurationPayload entry in leader's log
+
+ expectFirstMatching(leaderCollectorActor, ApplyState.class);
+ assertEquals("Leader journal last index", 2, leaderActorContext.getReplicatedLog().lastIndex());
+ assertEquals("Leader commit index", 2, leaderActorContext.getCommitIndex());
+ assertEquals("Leader last applied index", 2, leaderActorContext.getLastApplied());
+ verifyServerConfigurationPayloadEntry(leaderActorContext.getReplicatedLog(), votingServer(LEADER_ID),
+ votingServer(NEW_SERVER_ID));
+
+ // Verify ServerConfigurationPayload entry in the new follower
+
+ expectFirstMatching(newFollowerCollectorActor, ApplyState.class);
+ assertEquals("New follower journal last index", 2, newFollowerActorContext.getReplicatedLog().lastIndex());
+ verifyServerConfigurationPayloadEntry(newFollowerActorContext.getReplicatedLog(), votingServer(LEADER_ID),
+ votingServer(NEW_SERVER_ID));
+
+ // Verify new server config was applied in the new follower
+
+ assertEquals("New follower peers", Sets.newHashSet(LEADER_ID), newFollowerActorContext.getPeerIds());
+
+ LOG.info("testAddServerWithNoExistingFollower ending");
+ }
+
+ @Test
+ public void testAddServersAsNonVoting() throws Exception {
+ LOG.info("testAddServersAsNonVoting starting");
+
+ setupNewFollower();
+ RaftActorContext initialActorContext = new MockRaftActorContext();
+
+ TestActorRef<MockLeaderRaftActor> leaderActor = actorFactory.createTestActor(
+ MockLeaderRaftActor.props(ImmutableMap.<String, String>of(),
+ initialActorContext).withDispatcher(Dispatchers.DefaultDispatcherId()),
+ actorFactory.generateActorId(LEADER_ID));
+
+ MockLeaderRaftActor leaderRaftActor = leaderActor.underlyingActor();
+ final RaftActorContext leaderActorContext = leaderRaftActor.getRaftActorContext();
+
+ final TestActorRef<MessageCollectorActor> leaderCollectorActor = newLeaderCollectorActor(leaderRaftActor);
+
+ leaderActor.tell(new AddServer(NEW_SERVER_ID, newFollowerRaftActor.path().toString(), false), testKit.getRef());
+
+ AddServerReply addServerReply = testKit.expectMsgClass(JavaTestKit.duration("5 seconds"), AddServerReply.class);
+ assertEquals("getStatus", ServerChangeStatus.OK, addServerReply.getStatus());
+ assertEquals("getLeaderHint", LEADER_ID, addServerReply.getLeaderHint().get());
+
+ // Verify ServerConfigurationPayload entry in leader's log
+
+ expectFirstMatching(leaderCollectorActor, ApplyState.class);
+
+ assertEquals("Leader journal last index", 0, leaderActorContext.getReplicatedLog().lastIndex());
+ assertEquals("Leader commit index", 0, leaderActorContext.getCommitIndex());
+ assertEquals("Leader last applied index", 0, leaderActorContext.getLastApplied());
+ verifyServerConfigurationPayloadEntry(leaderActorContext.getReplicatedLog(), votingServer(LEADER_ID),
+ nonVotingServer(NEW_SERVER_ID));
+
+ // Verify ServerConfigurationPayload entry in the new follower
+
+ expectFirstMatching(newFollowerCollectorActor, ApplyState.class);
+ assertEquals("New follower journal last index", 0, newFollowerActorContext.getReplicatedLog().lastIndex());
+ verifyServerConfigurationPayloadEntry(newFollowerActorContext.getReplicatedLog(), votingServer(LEADER_ID),
+ nonVotingServer(NEW_SERVER_ID));
+
+ // Verify new server config was applied in the new follower
+
+ assertEquals("New follower peers", Sets.newHashSet(LEADER_ID), newFollowerActorContext.getPeerIds());
+
+ assertNoneMatching(newFollowerCollectorActor, InstallSnapshot.class, 500);
+
+ // Add another non-voting server.
+
+ clearMessages(leaderCollectorActor);
+
+ RaftActorContext follower2ActorContext = newFollowerContext(NEW_SERVER_ID2, followerActor);
+ Follower newFollower2 = new Follower(follower2ActorContext);
+ followerActor.underlyingActor().setBehavior(newFollower2);
+
+ leaderActor.tell(new AddServer(NEW_SERVER_ID2, followerActor.path().toString(), false), testKit.getRef());
+
+ addServerReply = testKit.expectMsgClass(JavaTestKit.duration("5 seconds"), AddServerReply.class);
+ assertEquals("getStatus", ServerChangeStatus.OK, addServerReply.getStatus());
+ assertEquals("getLeaderHint", java.util.Optional.of(LEADER_ID), addServerReply.getLeaderHint());
+
+ expectFirstMatching(leaderCollectorActor, ApplyState.class);
+ assertEquals("Leader journal last index", 1, leaderActorContext.getReplicatedLog().lastIndex());
+ assertEquals("Leader commit index", 1, leaderActorContext.getCommitIndex());
+ assertEquals("Leader last applied index", 1, leaderActorContext.getLastApplied());
+ verifyServerConfigurationPayloadEntry(leaderActorContext.getReplicatedLog(),
+ votingServer(LEADER_ID), nonVotingServer(NEW_SERVER_ID), nonVotingServer(NEW_SERVER_ID2));
+
+ LOG.info("testAddServersAsNonVoting ending");
+ }
+
+ @Test
+ public void testAddServerWithOperationInProgress() throws Exception {
+ LOG.info("testAddServerWithOperationInProgress starting");
+
+ setupNewFollower();
+ RaftActorContext initialActorContext = new MockRaftActorContext();
+
+ TestActorRef<MockLeaderRaftActor> leaderActor = actorFactory.createTestActor(
+ MockLeaderRaftActor.props(ImmutableMap.<String, String>of(),
+ initialActorContext).withDispatcher(Dispatchers.DefaultDispatcherId()),
+ actorFactory.generateActorId(LEADER_ID));
+
+ MockLeaderRaftActor leaderRaftActor = leaderActor.underlyingActor();
+ final RaftActorContext leaderActorContext = leaderRaftActor.getRaftActorContext();
+
+ final TestActorRef<MessageCollectorActor> leaderCollectorActor = newLeaderCollectorActor(leaderRaftActor);
+
+ RaftActorContext follower2ActorContext = newFollowerContext(NEW_SERVER_ID2, followerActor);
+ Follower newFollower2 = new Follower(follower2ActorContext);
+ followerActor.underlyingActor().setBehavior(newFollower2);
+
+ MockNewFollowerRaftActor newFollowerRaftActorInstance = newFollowerRaftActor.underlyingActor();
+ newFollowerRaftActorInstance.setDropMessageOfType(InstallSnapshot.class);
+
+ leaderActor.tell(new AddServer(NEW_SERVER_ID, newFollowerRaftActor.path().toString(), true), testKit.getRef());
+
+ // Wait for leader's install snapshot and capture it
+
+ InstallSnapshot installSnapshot = expectFirstMatching(newFollowerCollectorActor, InstallSnapshot.class);
+
+ // Send a second AddServer - should get queued
+ JavaTestKit testKit2 = new JavaTestKit(getSystem());
+ leaderActor.tell(new AddServer(NEW_SERVER_ID2, followerActor.path().toString(), false), testKit2.getRef());
+
+ // Continue the first AddServer
+ newFollowerRaftActorInstance.setDropMessageOfType(null);
+ newFollowerRaftActor.tell(installSnapshot, leaderActor);
+
+ // Verify both complete successfully
+ AddServerReply addServerReply = testKit.expectMsgClass(JavaTestKit.duration("5 seconds"), AddServerReply.class);
+ assertEquals("getStatus", ServerChangeStatus.OK, addServerReply.getStatus());
+
+ addServerReply = testKit2.expectMsgClass(JavaTestKit.duration("5 seconds"), AddServerReply.class);
+ assertEquals("getStatus", ServerChangeStatus.OK, addServerReply.getStatus());
+
+ // Verify ServerConfigurationPayload entries in leader's log
+
+ expectMatching(leaderCollectorActor, ApplyState.class, 2);
+ assertEquals("Leader journal last index", 1, leaderActorContext.getReplicatedLog().lastIndex());
+ assertEquals("Leader commit index", 1, leaderActorContext.getCommitIndex());
+ assertEquals("Leader last applied index", 1, leaderActorContext.getLastApplied());
+ verifyServerConfigurationPayloadEntry(leaderActorContext.getReplicatedLog(),
+ votingServer(LEADER_ID), votingServer(NEW_SERVER_ID), nonVotingServer(NEW_SERVER_ID2));
+
+ // Verify ServerConfigurationPayload entry in the new follower
+
+ expectMatching(newFollowerCollectorActor, ApplyState.class, 2);
+ assertEquals("New follower peers", Sets.newHashSet(LEADER_ID, NEW_SERVER_ID2),
+ newFollowerActorContext.getPeerIds());
+
+ LOG.info("testAddServerWithOperationInProgress ending");
+ }
+
+ @Test
+ public void testAddServerWithPriorSnapshotInProgress() throws Exception {
+ LOG.info("testAddServerWithPriorSnapshotInProgress starting");
+
+ setupNewFollower();
+ RaftActorContext initialActorContext = new MockRaftActorContext();
+
+ TestActorRef<MockLeaderRaftActor> leaderActor = actorFactory.createTestActor(
+ MockLeaderRaftActor.props(ImmutableMap.<String, String>of(),
+ initialActorContext).withDispatcher(Dispatchers.DefaultDispatcherId()),
+ actorFactory.generateActorId(LEADER_ID));
+
+ MockLeaderRaftActor leaderRaftActor = leaderActor.underlyingActor();
+ final RaftActorContext leaderActorContext = leaderRaftActor.getRaftActorContext();
- leaderActor.tell(new AddServer(NEW_SERVER_ID, newServerActor.path().toString(), true), testKit.getRef());
+ TestActorRef<MessageCollectorActor> leaderCollectorActor = newLeaderCollectorActor(leaderRaftActor);
- // leader should install snapshot - capture and verify ApplySnapshot contents
-// ApplySnapshot applySnapshot = expectFirstMatching(followerActor, ApplySnapshot.class);
-// List<Object> snapshotState = (List<Object>) MockRaftActor.toObject(applySnapshot.getSnapshot().getState());
-// assertEquals("Snapshot state", snapshotState, leaderRaftActor.getState());
+ // Drop commit message for now to delay snapshot completion
+ leaderRaftActor.setDropMessageOfType(String.class);
- // leader should replicate new server config to both followers
-// expectFirstMatching(followerActor, AppendEntries.class);
-// expectFirstMatching(newServerActor, AppendEntries.class);
+ leaderActor.tell(new InitiateCaptureSnapshot(), leaderActor);
- // verify ServerConfigurationPayload entry in leader's log
-// RaftActorContext leaderActorContext = leaderRaftActor.getRaftActorContext();
-// assertEquals("Leader journal log size", 4, leaderActorContext.getReplicatedLog().size());
-// assertEquals("Leader journal last index", 3, leaderActorContext.getReplicatedLog().lastIndex());
-// ReplicatedLogEntry logEntry = leaderActorContext.getReplicatedLog().get(
-// leaderActorContext.getReplicatedLog().lastIndex());
- // verify logEntry contents
+ Object commitMsg = expectFirstMatching(leaderCollectorActor, COMMIT_MESSAGE_CLASS);
- // Also verify ServerConfigurationPayload entry in both followers
+ leaderActor.tell(new AddServer(NEW_SERVER_ID, newFollowerRaftActor.path().toString(), true), testKit.getRef());
+
+ leaderRaftActor.setDropMessageOfType(null);
+ leaderActor.tell(commitMsg, leaderActor);
AddServerReply addServerReply = testKit.expectMsgClass(JavaTestKit.duration("5 seconds"), AddServerReply.class);
assertEquals("getStatus", ServerChangeStatus.OK, addServerReply.getStatus());
- assertEquals("getLeaderHint", LEADER_ID, addServerReply.getLeaderHint());
+ assertEquals("getLeaderHint", LEADER_ID, addServerReply.getLeaderHint().get());
+
+ expectFirstMatching(newFollowerCollectorActor, ApplySnapshot.class);
+
+ // Verify ServerConfigurationPayload entry in leader's log
+
+ expectFirstMatching(leaderCollectorActor, ApplyState.class);
+ assertEquals("Leader journal last index", 0, leaderActorContext.getReplicatedLog().lastIndex());
+ assertEquals("Leader commit index", 0, leaderActorContext.getCommitIndex());
+ assertEquals("Leader last applied index", 0, leaderActorContext.getLastApplied());
+ verifyServerConfigurationPayloadEntry(leaderActorContext.getReplicatedLog(), votingServer(LEADER_ID),
+ votingServer(NEW_SERVER_ID));
+
+ LOG.info("testAddServerWithPriorSnapshotInProgress ending");
+ }
+
+ @Test
+ public void testAddServerWithPriorSnapshotCompleteTimeout() throws Exception {
+ LOG.info("testAddServerWithPriorSnapshotCompleteTimeout starting");
+
+ setupNewFollower();
+ RaftActorContext initialActorContext = new MockRaftActorContext();
+
+ TestActorRef<MockLeaderRaftActor> leaderActor = actorFactory.createTestActor(
+ MockLeaderRaftActor.props(ImmutableMap.<String, String>of(),
+ initialActorContext).withDispatcher(Dispatchers.DefaultDispatcherId()),
+ actorFactory.generateActorId(LEADER_ID));
+
+ MockLeaderRaftActor leaderRaftActor = leaderActor.underlyingActor();
+ RaftActorContext leaderActorContext = leaderRaftActor.getRaftActorContext();
+
+ ((DefaultConfigParamsImpl)leaderActorContext.getConfigParams()).setElectionTimeoutFactor(1);
+
+ // Drop commit message so the snapshot doesn't complete.
+ leaderRaftActor.setDropMessageOfType(COMMIT_MESSAGE_CLASS);
+
+ leaderActor.tell(new InitiateCaptureSnapshot(), leaderActor);
+
+ leaderActor.tell(new AddServer(NEW_SERVER_ID, newFollowerRaftActor.path().toString(), true), testKit.getRef());
+
+ AddServerReply addServerReply = testKit.expectMsgClass(JavaTestKit.duration("5 seconds"), AddServerReply.class);
+ assertEquals("getStatus", ServerChangeStatus.TIMEOUT, addServerReply.getStatus());
+
+ assertEquals("Leader peers size", 0, leaderActorContext.getPeerIds().size());
+
+ LOG.info("testAddServerWithPriorSnapshotCompleteTimeout ending");
+ }
+
+ @Test
+ public void testAddServerWithLeaderChangeBeforePriorSnapshotComplete() throws Exception {
+ LOG.info("testAddServerWithLeaderChangeBeforePriorSnapshotComplete starting");
+
+ setupNewFollower();
+ RaftActorContext initialActorContext = new MockRaftActorContext();
+
+ TestActorRef<MockLeaderRaftActor> leaderActor = actorFactory.createTestActor(
+ MockLeaderRaftActor.props(ImmutableMap.<String, String>of(),
+ initialActorContext).withDispatcher(Dispatchers.DefaultDispatcherId()),
+ actorFactory.generateActorId(LEADER_ID));
+
+ MockLeaderRaftActor leaderRaftActor = leaderActor.underlyingActor();
+ RaftActorContext leaderActorContext = leaderRaftActor.getRaftActorContext();
+ ((DefaultConfigParamsImpl)leaderActorContext.getConfigParams()).setElectionTimeoutFactor(100);
+
+ final TestActorRef<MessageCollectorActor> leaderCollectorActor = newLeaderCollectorActor(leaderRaftActor);
+
+ // Drop the commit message so the snapshot doesn't complete yet.
+ leaderRaftActor.setDropMessageOfType(COMMIT_MESSAGE_CLASS);
+
+ leaderActor.tell(new InitiateCaptureSnapshot(), leaderActor);
+
+ leaderActor.tell(new AddServer(NEW_SERVER_ID, newFollowerRaftActor.path().toString(), true), testKit.getRef());
+
+ Object commitMsg = expectFirstMatching(leaderCollectorActor, COMMIT_MESSAGE_CLASS);
+
+ // Change the leader behavior to follower
+ leaderActor.tell(new Follower(leaderActorContext), leaderActor);
+
+ // Drop CaptureSnapshotReply in case install snapshot is incorrectly initiated after the prior
+ // snapshot completes. This will prevent the invalid snapshot from completing and fail the
+ // isCapturing assertion below.
+ leaderRaftActor.setDropMessageOfType(CaptureSnapshotReply.class);
+
+ // Complete the prior snapshot - this should be a no-op b/c it's no longer the leader
+ leaderActor.tell(commitMsg, leaderActor);
+
+ leaderActor.tell(new RaftActorServerConfigurationSupport.ServerOperationTimeout(NEW_SERVER_ID), leaderActor);
+
+ AddServerReply addServerReply = testKit.expectMsgClass(JavaTestKit.duration("5 seconds"), AddServerReply.class);
+ assertEquals("getStatus", ServerChangeStatus.NO_LEADER, addServerReply.getStatus());
+
+ assertEquals("Leader peers size", 0, leaderActorContext.getPeerIds().size());
+ assertEquals("isCapturing", false, leaderActorContext.getSnapshotManager().isCapturing());
+
+ LOG.info("testAddServerWithLeaderChangeBeforePriorSnapshotComplete ending");
+ }
+
+ @Test
+ public void testAddServerWithLeaderChangeDuringInstallSnapshot() throws Exception {
+ LOG.info("testAddServerWithLeaderChangeDuringInstallSnapshot starting");
+
+ setupNewFollower();
+ RaftActorContext initialActorContext = new MockRaftActorContext();
+
+ TestActorRef<MockLeaderRaftActor> leaderActor = actorFactory.createTestActor(
+ MockLeaderRaftActor.props(ImmutableMap.<String, String>of(),
+ initialActorContext).withDispatcher(Dispatchers.DefaultDispatcherId()),
+ actorFactory.generateActorId(LEADER_ID));
+
+ MockLeaderRaftActor leaderRaftActor = leaderActor.underlyingActor();
+ RaftActorContext leaderActorContext = leaderRaftActor.getRaftActorContext();
+
+ ((DefaultConfigParamsImpl)leaderActorContext.getConfigParams()).setElectionTimeoutFactor(8);
+
+ TestActorRef<MessageCollectorActor> leaderCollectorActor = newLeaderCollectorActor(leaderRaftActor);
+
+ // Drop the UnInitializedFollowerSnapshotReply to delay it.
+ leaderRaftActor.setDropMessageOfType(UnInitializedFollowerSnapshotReply.class);
+
+ leaderActor.tell(new AddServer(NEW_SERVER_ID, newFollowerRaftActor.path().toString(), true), testKit.getRef());
+
+ final UnInitializedFollowerSnapshotReply snapshotReply = expectFirstMatching(leaderCollectorActor,
+ UnInitializedFollowerSnapshotReply.class);
+
+ // Prevent election timeout when the leader switches to follower
+ ((DefaultConfigParamsImpl)leaderActorContext.getConfigParams()).setElectionTimeoutFactor(100);
+
+ // Change the leader behavior to follower
+ leaderActor.tell(new Follower(leaderActorContext), leaderActor);
+
+ // Send the captured UnInitializedFollowerSnapshotReply - should be a no-op
+ leaderRaftActor.setDropMessageOfType(null);
+ leaderActor.tell(snapshotReply, leaderActor);
+
+ AddServerReply addServerReply = testKit.expectMsgClass(JavaTestKit.duration("5 seconds"), AddServerReply.class);
+ assertEquals("getStatus", ServerChangeStatus.NO_LEADER, addServerReply.getStatus());
+
+ assertEquals("Leader peers size", 0, leaderActorContext.getPeerIds().size());
+
+ LOG.info("testAddServerWithLeaderChangeDuringInstallSnapshot ending");
+ }
+
+ @Test
+ public void testAddServerWithInstallSnapshotTimeout() throws Exception {
+ LOG.info("testAddServerWithInstallSnapshotTimeout starting");
+
+ setupNewFollower();
+ RaftActorContext initialActorContext = new MockRaftActorContext();
+
+ TestActorRef<MockLeaderRaftActor> leaderActor = actorFactory.createTestActor(
+ MockLeaderRaftActor.props(ImmutableMap.<String, String>of(),
+ initialActorContext).withDispatcher(Dispatchers.DefaultDispatcherId()),
+ actorFactory.generateActorId(LEADER_ID));
+
+ MockLeaderRaftActor leaderRaftActor = leaderActor.underlyingActor();
+ RaftActorContext leaderActorContext = leaderRaftActor.getRaftActorContext();
+ ((DefaultConfigParamsImpl)leaderActorContext.getConfigParams()).setElectionTimeoutFactor(1);
+
+ // Drop the InstallSnapshot message so it times out
+ newFollowerRaftActor.underlyingActor().setDropMessageOfType(InstallSnapshot.class);
+
+ leaderActor.tell(new AddServer(NEW_SERVER_ID, newFollowerRaftActor.path().toString(), true), testKit.getRef());
+
+ leaderActor.tell(new UnInitializedFollowerSnapshotReply("bogus"), leaderActor);
+
+ AddServerReply addServerReply = testKit.expectMsgClass(JavaTestKit.duration("5 seconds"), AddServerReply.class);
+ assertEquals("getStatus", ServerChangeStatus.TIMEOUT, addServerReply.getStatus());
+
+ assertEquals("Leader peers size", 0, leaderActorContext.getPeerIds().size());
+ assertEquals("Leader followers size", 0,
+ ((AbstractLeader)leaderRaftActor.getCurrentBehavior()).getFollowerIds().size());
+
+ LOG.info("testAddServerWithInstallSnapshotTimeout ending");
}
@Test
public void testAddServerWithNoLeader() {
+ LOG.info("testAddServerWithNoLeader starting");
+
+ setupNewFollower();
DefaultConfigParamsImpl configParams = new DefaultConfigParamsImpl();
configParams.setHeartBeatInterval(new FiniteDuration(1, TimeUnit.DAYS));
TestActorRef<MockRaftActor> noLeaderActor = actorFactory.createTestActor(
- MockRaftActor.props(LEADER_ID, ImmutableMap.<String,String>of(FOLLOWER_ID, followerActor.path().toString()),
- Optional.<ConfigParams>of(configParams), NO_PERSISTENCE).withDispatcher(Dispatchers.DefaultDispatcherId()),
+ MockRaftActor.builder().id(LEADER_ID).peerAddresses(ImmutableMap.of(FOLLOWER_ID,
+ followerActor.path().toString())).config(configParams).persistent(Optional.of(false))
+ .props().withDispatcher(Dispatchers.DefaultDispatcherId()),
actorFactory.generateActorId(LEADER_ID));
noLeaderActor.underlyingActor().waitForInitializeBehaviorComplete();
- noLeaderActor.tell(new AddServer(NEW_SERVER_ID, newServerActor.path().toString(), true), testKit.getRef());
+ noLeaderActor.tell(new AddServer(NEW_SERVER_ID, newFollowerRaftActor.path().toString(), true),
+ testKit.getRef());
AddServerReply addServerReply = testKit.expectMsgClass(JavaTestKit.duration("5 seconds"), AddServerReply.class);
assertEquals("getStatus", ServerChangeStatus.NO_LEADER, addServerReply.getStatus());
+
+ LOG.info("testAddServerWithNoLeader ending");
+ }
+
+ @Test
+ public void testAddServerWithNoConsensusReached() {
+ LOG.info("testAddServerWithNoConsensusReached starting");
+
+ setupNewFollower();
+ RaftActorContext initialActorContext = new MockRaftActorContext();
+
+ TestActorRef<MockLeaderRaftActor> leaderActor = actorFactory.createTestActor(
+ MockLeaderRaftActor.props(ImmutableMap.<String, String>of(),
+ initialActorContext).withDispatcher(Dispatchers.DefaultDispatcherId()),
+ actorFactory.generateActorId(LEADER_ID));
+
+ MockLeaderRaftActor leaderRaftActor = leaderActor.underlyingActor();
+ final RaftActorContext leaderActorContext = leaderRaftActor.getRaftActorContext();
+
+ final TestActorRef<MessageCollectorActor> leaderCollectorActor = newLeaderCollectorActor(leaderRaftActor);
+
+ // Drop UnInitializedFollowerSnapshotReply initially
+ leaderRaftActor.setDropMessageOfType(UnInitializedFollowerSnapshotReply.class);
+
+ MockNewFollowerRaftActor newFollowerRaftActorInstance = newFollowerRaftActor.underlyingActor();
+ newFollowerCollectorActor = newCollectorActor(newFollowerRaftActorInstance, NEW_SERVER_ID);
+
+ // Drop AppendEntries to the new follower so consensus isn't reached
+ newFollowerRaftActorInstance.setDropMessageOfType(AppendEntries.class);
+
+ leaderActor.tell(new AddServer(NEW_SERVER_ID, newFollowerRaftActor.path().toString(), true), testKit.getRef());
+
+ // Capture the UnInitializedFollowerSnapshotReply
+ Object snapshotReply = expectFirstMatching(leaderCollectorActor, UnInitializedFollowerSnapshotReply.class);
+
+ // Send the UnInitializedFollowerSnapshotReply to resume the first request
+ leaderRaftActor.setDropMessageOfType(null);
+ leaderActor.tell(snapshotReply, leaderActor);
+
+ expectFirstMatching(newFollowerCollectorActor, AppendEntries.class);
+
+ // Send a second AddServer
+ leaderActor.tell(new AddServer(NEW_SERVER_ID2, "", false), testKit.getRef());
+
+ // The first AddServer should succeed with OK even though consensus wasn't reached
+ AddServerReply addServerReply = testKit.expectMsgClass(JavaTestKit.duration("5 seconds"), AddServerReply.class);
+ assertEquals("getStatus", ServerChangeStatus.OK, addServerReply.getStatus());
+ assertEquals("getLeaderHint", LEADER_ID, addServerReply.getLeaderHint().get());
+
+ // Verify ServerConfigurationPayload entry in leader's log
+ verifyServerConfigurationPayloadEntry(leaderActorContext.getReplicatedLog(), votingServer(LEADER_ID),
+ votingServer(NEW_SERVER_ID));
+
+ // The second AddServer should fail since consensus wasn't reached for the first
+ addServerReply = testKit.expectMsgClass(JavaTestKit.duration("5 seconds"), AddServerReply.class);
+ assertEquals("getStatus", ServerChangeStatus.PRIOR_REQUEST_CONSENSUS_TIMEOUT, addServerReply.getStatus());
+
+ // Re-send the second AddServer - should also fail
+ leaderActor.tell(new AddServer(NEW_SERVER_ID2, "", false), testKit.getRef());
+ addServerReply = testKit.expectMsgClass(JavaTestKit.duration("5 seconds"), AddServerReply.class);
+ assertEquals("getStatus", ServerChangeStatus.PRIOR_REQUEST_CONSENSUS_TIMEOUT, addServerReply.getStatus());
+
+ LOG.info("testAddServerWithNoConsensusReached ending");
+ }
+
+ @Test
+ public void testAddServerWithExistingServer() {
+ LOG.info("testAddServerWithExistingServer starting");
+
+ RaftActorContext initialActorContext = new MockRaftActorContext();
+
+ TestActorRef<MockLeaderRaftActor> leaderActor = actorFactory.createTestActor(
+ MockLeaderRaftActor.props(ImmutableMap.of(FOLLOWER_ID, followerActor.path().toString()),
+ initialActorContext).withDispatcher(Dispatchers.DefaultDispatcherId()),
+ actorFactory.generateActorId(LEADER_ID));
+
+ leaderActor.tell(new AddServer(FOLLOWER_ID, followerActor.path().toString(), true), testKit.getRef());
+
+ AddServerReply addServerReply = testKit.expectMsgClass(JavaTestKit.duration("5 seconds"), AddServerReply.class);
+ assertEquals("getStatus", ServerChangeStatus.ALREADY_EXISTS, addServerReply.getStatus());
+
+ LOG.info("testAddServerWithExistingServer ending");
}
@Test
public void testAddServerForwardedToLeader() {
+ LOG.info("testAddServerForwardedToLeader starting");
+
+ setupNewFollower();
DefaultConfigParamsImpl configParams = new DefaultConfigParamsImpl();
configParams.setHeartBeatInterval(new FiniteDuration(1, TimeUnit.DAYS));
actorFactory.generateActorId(LEADER_ID));
TestActorRef<MockRaftActor> followerRaftActor = actorFactory.createTestActor(
- MockRaftActor.props(FOLLOWER_ID, ImmutableMap.<String,String>of(LEADER_ID, leaderActor.path().toString()),
- Optional.<ConfigParams>of(configParams), NO_PERSISTENCE).withDispatcher(Dispatchers.DefaultDispatcherId()),
+ MockRaftActor.builder().id(FOLLOWER_ID).peerAddresses(ImmutableMap.of(LEADER_ID,
+ leaderActor.path().toString())).config(configParams).persistent(Optional.of(false))
+ .props().withDispatcher(Dispatchers.DefaultDispatcherId()),
actorFactory.generateActorId(FOLLOWER_ID));
followerRaftActor.underlyingActor().waitForInitializeBehaviorComplete();
followerRaftActor.tell(new AppendEntries(1, LEADER_ID, 0, 1, Collections.<ReplicatedLogEntry>emptyList(),
-1, -1, (short)0), leaderActor);
- followerRaftActor.tell(new AddServer(NEW_SERVER_ID, newServerActor.path().toString(), true), testKit.getRef());
+ followerRaftActor.tell(new AddServer(NEW_SERVER_ID, newFollowerRaftActor.path().toString(), true),
+ testKit.getRef());
expectFirstMatching(leaderActor, AddServer.class);
+
+ LOG.info("testAddServerForwardedToLeader ending");
}
- private RaftActorContext newFollowerContext(String id, TestActorRef<? extends UntypedActor> actor) {
+ @Test
+ public void testOnApplyState() {
+ LOG.info("testOnApplyState starting");
+
DefaultConfigParamsImpl configParams = new DefaultConfigParamsImpl();
- configParams.setHeartBeatInterval(new FiniteDuration(100, TimeUnit.MILLISECONDS));
- configParams.setElectionTimeoutFactor(100000);
- RaftActorContext followerActorContext = new RaftActorContextImpl(actor, actor.underlyingActor().getContext(),
- id, new ElectionTermImpl(NO_PERSISTENCE, id, LOG), -1, -1,
- ImmutableMap.of(LEADER_ID, ""), configParams, NO_PERSISTENCE, LOG);
+ configParams.setHeartBeatInterval(new FiniteDuration(1, TimeUnit.DAYS));
+ TestActorRef<MockRaftActor> noLeaderActor = actorFactory.createTestActor(
+ MockRaftActor.builder().id(LEADER_ID).peerAddresses(ImmutableMap.of(FOLLOWER_ID,
+ followerActor.path().toString())).config(configParams).persistent(Optional.of(false))
+ .props().withDispatcher(Dispatchers.DefaultDispatcherId()),
+ actorFactory.generateActorId(LEADER_ID));
+
+ RaftActorServerConfigurationSupport support = new RaftActorServerConfigurationSupport(
+ noLeaderActor.underlyingActor());
+
+ ReplicatedLogEntry serverConfigEntry = new SimpleReplicatedLogEntry(1, 1,
+ new ServerConfigurationPayload(Collections.<ServerInfo>emptyList()));
+ boolean handled = support.handleMessage(new ApplyState(null, null, serverConfigEntry), ActorRef.noSender());
+ assertEquals("Message handled", true, handled);
+
+ ReplicatedLogEntry nonServerConfigEntry = new SimpleReplicatedLogEntry(1, 1,
+ new MockRaftActorContext.MockPayload("1"));
+ handled = support.handleMessage(new ApplyState(null, null, nonServerConfigEntry), ActorRef.noSender());
+ assertEquals("Message handled", false, handled);
- return followerActorContext;
+ LOG.info("testOnApplyState ending");
}
- public static class MockLeaderRaftActor extends MockRaftActor {
- public MockLeaderRaftActor(Map<String, String> peerAddresses, ConfigParams config,
- RaftActorContext fromContext) {
- super(LEADER_ID, peerAddresses, Optional.of(config), NO_PERSISTENCE);
+ @Test
+ public void testRemoveServerWithNoLeader() {
+ LOG.info("testRemoveServerWithNoLeader starting");
- RaftActorContext context = getRaftActorContext();
- for(int i = 0; i < fromContext.getReplicatedLog().size(); i++) {
+ DefaultConfigParamsImpl configParams = new DefaultConfigParamsImpl();
+ configParams.setHeartBeatInterval(new FiniteDuration(1, TimeUnit.DAYS));
+
+ TestActorRef<MockRaftActor> leaderActor = actorFactory.createTestActor(
+ MockRaftActor.builder().id(LEADER_ID).peerAddresses(ImmutableMap.of(FOLLOWER_ID,
+ followerActor.path().toString())).config(configParams).persistent(Optional.of(false))
+ .props().withDispatcher(Dispatchers.DefaultDispatcherId()),
+ actorFactory.generateActorId(LEADER_ID));
+ leaderActor.underlyingActor().waitForInitializeBehaviorComplete();
+
+ leaderActor.tell(new RemoveServer(FOLLOWER_ID), testKit.getRef());
+ RemoveServerReply removeServerReply = testKit.expectMsgClass(JavaTestKit.duration("5 seconds"),
+ RemoveServerReply.class);
+ assertEquals("getStatus", ServerChangeStatus.NO_LEADER, removeServerReply.getStatus());
+
+ LOG.info("testRemoveServerWithNoLeader ending");
+ }
+
+ @Test
+ public void testRemoveServerNonExistentServer() {
+ LOG.info("testRemoveServerNonExistentServer starting");
+
+ RaftActorContext initialActorContext = new MockRaftActorContext();
+
+ TestActorRef<MockLeaderRaftActor> leaderActor = actorFactory.createTestActor(
+ MockLeaderRaftActor.props(ImmutableMap.of(FOLLOWER_ID, followerActor.path().toString()),
+ initialActorContext).withDispatcher(Dispatchers.DefaultDispatcherId()),
+ actorFactory.generateActorId(LEADER_ID));
+
+ leaderActor.tell(new RemoveServer(NEW_SERVER_ID), testKit.getRef());
+ RemoveServerReply removeServerReply = testKit.expectMsgClass(JavaTestKit.duration("5 seconds"),
+ RemoveServerReply.class);
+ assertEquals("getStatus", ServerChangeStatus.DOES_NOT_EXIST, removeServerReply.getStatus());
+
+ LOG.info("testRemoveServerNonExistentServer ending");
+ }
+
+ @Test
+ public void testRemoveServerForwardToLeader() {
+ LOG.info("testRemoveServerForwardToLeader starting");
+
+ DefaultConfigParamsImpl configParams = new DefaultConfigParamsImpl();
+ configParams.setHeartBeatInterval(new FiniteDuration(1, TimeUnit.DAYS));
+
+ TestActorRef<MessageCollectorActor> leaderActor = actorFactory.createTestActor(
+ MessageCollectorActor.props().withDispatcher(Dispatchers.DefaultDispatcherId()),
+ actorFactory.generateActorId(LEADER_ID));
+
+ TestActorRef<MockRaftActor> followerRaftActor = actorFactory.createTestActor(
+ MockRaftActor.builder().id(FOLLOWER_ID).peerAddresses(ImmutableMap.of(LEADER_ID,
+ leaderActor.path().toString())).config(configParams).persistent(Optional.of(false))
+ .props().withDispatcher(Dispatchers.DefaultDispatcherId()),
+ actorFactory.generateActorId(FOLLOWER_ID));
+ followerRaftActor.underlyingActor().waitForInitializeBehaviorComplete();
+
+ followerRaftActor.tell(new AppendEntries(1, LEADER_ID, 0, 1, Collections.<ReplicatedLogEntry>emptyList(),
+ -1, -1, (short)0), leaderActor);
+
+ followerRaftActor.tell(new RemoveServer(FOLLOWER_ID), testKit.getRef());
+ expectFirstMatching(leaderActor, RemoveServer.class);
+
+ LOG.info("testRemoveServerForwardToLeader ending");
+ }
+
+ @Test
+ public void testRemoveServer() throws Exception {
+ LOG.info("testRemoveServer starting");
+
+ DefaultConfigParamsImpl configParams = new DefaultConfigParamsImpl();
+ configParams.setHeartBeatInterval(new FiniteDuration(1, TimeUnit.DAYS));
+ configParams.setCustomRaftPolicyImplementationClass(DisableElectionsRaftPolicy.class.getName());
+
+ final String follower1ActorId = actorFactory.generateActorId(FOLLOWER_ID);
+ final String follower1ActorPath = actorFactory.createTestActorPath(follower1ActorId);
+ final String follower2ActorId = actorFactory.generateActorId(FOLLOWER_ID2);
+ final String follower2ActorPath = actorFactory.createTestActorPath(follower2ActorId);
+ RaftActorContext initialActorContext = new MockRaftActorContext();
+
+ final String downNodeId = "downNode";
+ TestActorRef<MockLeaderRaftActor> leaderActor = actorFactory.createTestActor(MockLeaderRaftActor.props(
+ ImmutableMap.of(FOLLOWER_ID, follower1ActorPath, FOLLOWER_ID2, follower2ActorPath, downNodeId, ""),
+ initialActorContext).withDispatcher(Dispatchers.DefaultDispatcherId()),
+ actorFactory.generateActorId(LEADER_ID));
+
+ final TestActorRef<MessageCollectorActor> leaderCollector =
+ newLeaderCollectorActor(leaderActor.underlyingActor());
+
+ TestActorRef<MessageCollectorActor> follower1Collector = actorFactory.createTestActor(
+ MessageCollectorActor.props().withDispatcher(Dispatchers.DefaultDispatcherId()),
+ actorFactory.generateActorId("collector"));
+ final TestActorRef<CollectingMockRaftActor> follower1Actor = actorFactory.createTestActor(
+ CollectingMockRaftActor.props(FOLLOWER_ID, ImmutableMap.of(LEADER_ID, leaderActor.path().toString(),
+ FOLLOWER_ID2, follower2ActorPath, downNodeId, ""), configParams, NO_PERSISTENCE,
+ follower1Collector).withDispatcher(Dispatchers.DefaultDispatcherId()), follower1ActorId);
+
+ TestActorRef<MessageCollectorActor> follower2Collector = actorFactory.createTestActor(
+ MessageCollectorActor.props().withDispatcher(Dispatchers.DefaultDispatcherId()),
+ actorFactory.generateActorId("collector"));
+ final TestActorRef<CollectingMockRaftActor> follower2Actor = actorFactory.createTestActor(
+ CollectingMockRaftActor.props(FOLLOWER_ID2, ImmutableMap.of(LEADER_ID, leaderActor.path().toString(),
+ FOLLOWER_ID, follower1ActorPath, downNodeId, ""), configParams, NO_PERSISTENCE,
+ follower2Collector).withDispatcher(Dispatchers.DefaultDispatcherId()), follower2ActorId);
+
+ leaderActor.underlyingActor().waitForInitializeBehaviorComplete();
+ follower1Actor.underlyingActor().waitForInitializeBehaviorComplete();
+ follower2Actor.underlyingActor().waitForInitializeBehaviorComplete();
+
+ leaderActor.tell(new RemoveServer(FOLLOWER_ID), testKit.getRef());
+ RemoveServerReply removeServerReply = testKit.expectMsgClass(JavaTestKit.duration("5 seconds"),
+ RemoveServerReply.class);
+ assertEquals("getStatus", ServerChangeStatus.OK, removeServerReply.getStatus());
+
+ ApplyState applyState = MessageCollectorActor.expectFirstMatching(leaderCollector, ApplyState.class);
+ assertEquals(0L, applyState.getReplicatedLogEntry().getIndex());
+ verifyServerConfigurationPayloadEntry(leaderActor.underlyingActor().getRaftActorContext().getReplicatedLog(),
+ votingServer(LEADER_ID), votingServer(FOLLOWER_ID2), votingServer(downNodeId));
+
+ applyState = MessageCollectorActor.expectFirstMatching(follower2Collector, ApplyState.class);
+ assertEquals(0L, applyState.getReplicatedLogEntry().getIndex());
+ verifyServerConfigurationPayloadEntry(leaderActor.underlyingActor().getRaftActorContext().getReplicatedLog(),
+ votingServer(LEADER_ID), votingServer(FOLLOWER_ID2), votingServer(downNodeId));
+
+ RaftActorBehavior currentBehavior = leaderActor.underlyingActor().getCurrentBehavior();
+ assertTrue("Expected Leader", currentBehavior instanceof Leader);
+ assertEquals("Follower ids size", 2, ((Leader)currentBehavior).getFollowerIds().size());
+
+ MessageCollectorActor.expectFirstMatching(follower1Collector, ServerRemoved.class);
+
+ LOG.info("testRemoveServer ending");
+ }
+
+ @Test
+ public void testRemoveServerLeader() {
+ LOG.info("testRemoveServerLeader starting");
+
+ DefaultConfigParamsImpl configParams = new DefaultConfigParamsImpl();
+ configParams.setHeartBeatInterval(new FiniteDuration(1, TimeUnit.DAYS));
+ configParams.setCustomRaftPolicyImplementationClass(DisableElectionsRaftPolicy.class.getName());
+
+ final String followerActorId = actorFactory.generateActorId(FOLLOWER_ID);
+ final String followerActorPath = actorFactory.createTestActorPath(followerActorId);
+ RaftActorContext initialActorContext = new MockRaftActorContext();
+
+ TestActorRef<MockLeaderRaftActor> leaderActor = actorFactory.createTestActor(
+ MockLeaderRaftActor.props(ImmutableMap.of(FOLLOWER_ID, followerActorPath),
+ initialActorContext).withDispatcher(Dispatchers.DefaultDispatcherId()),
+ actorFactory.generateActorId(LEADER_ID));
+
+ final TestActorRef<MessageCollectorActor> leaderCollector =
+ newLeaderCollectorActor(leaderActor.underlyingActor());
+
+ final TestActorRef<MessageCollectorActor> followerCollector =
+ actorFactory.createTestActor(MessageCollectorActor.props()
+ .withDispatcher(Dispatchers.DefaultDispatcherId()), actorFactory.generateActorId("collector"));
+ actorFactory.createTestActor(
+ CollectingMockRaftActor.props(FOLLOWER_ID, ImmutableMap.of(LEADER_ID, leaderActor.path().toString()),
+ configParams, NO_PERSISTENCE, followerCollector)
+ .withDispatcher(Dispatchers.DefaultDispatcherId()),
+ followerActorId);
+
+ leaderActor.tell(new RemoveServer(LEADER_ID), testKit.getRef());
+ RemoveServerReply removeServerReply = testKit.expectMsgClass(JavaTestKit.duration("5 seconds"),
+ RemoveServerReply.class);
+ assertEquals("getStatus", ServerChangeStatus.OK, removeServerReply.getStatus());
+
+ final ApplyState applyState = MessageCollectorActor.expectFirstMatching(followerCollector, ApplyState.class);
+ assertEquals(0L, applyState.getReplicatedLogEntry().getIndex());
+ verifyServerConfigurationPayloadEntry(leaderActor.underlyingActor().getRaftActorContext().getReplicatedLog(),
+ votingServer(FOLLOWER_ID));
+
+ MessageCollectorActor.expectFirstMatching(leaderCollector, ServerRemoved.class);
+
+ LOG.info("testRemoveServerLeader ending");
+ }
+
+ @Test
+ public void testRemoveServerLeaderWithNoFollowers() {
+ LOG.info("testRemoveServerLeaderWithNoFollowers starting");
+
+ TestActorRef<MockLeaderRaftActor> leaderActor = actorFactory.createTestActor(
+ MockLeaderRaftActor.props(Collections.<String, String>emptyMap(),
+ new MockRaftActorContext()).withDispatcher(Dispatchers.DefaultDispatcherId()),
+ actorFactory.generateActorId(LEADER_ID));
+
+ leaderActor.tell(new RemoveServer(LEADER_ID), testKit.getRef());
+ RemoveServerReply removeServerReply = testKit.expectMsgClass(JavaTestKit.duration("5 seconds"),
+ RemoveServerReply.class);
+ assertEquals("getStatus", ServerChangeStatus.NOT_SUPPORTED, removeServerReply.getStatus());
+
+ LOG.info("testRemoveServerLeaderWithNoFollowers ending");
+ }
+
+ @Test
+ public void testChangeServersVotingStatus() {
+ LOG.info("testChangeServersVotingStatus starting");
+
+ DefaultConfigParamsImpl configParams = new DefaultConfigParamsImpl();
+ configParams.setHeartBeatInterval(new FiniteDuration(1, TimeUnit.DAYS));
+ configParams.setCustomRaftPolicyImplementationClass(DisableElectionsRaftPolicy.class.getName());
+
+ final String follower1ActorId = actorFactory.generateActorId(FOLLOWER_ID);
+ final String follower1ActorPath = actorFactory.createTestActorPath(follower1ActorId);
+ final String follower2ActorId = actorFactory.generateActorId(FOLLOWER_ID2);
+ final String follower2ActorPath = actorFactory.createTestActorPath(follower2ActorId);
+
+ TestActorRef<MockLeaderRaftActor> leaderActor = actorFactory.createTestActor(
+ MockLeaderRaftActor.props(ImmutableMap.of(FOLLOWER_ID, follower1ActorPath,
+ FOLLOWER_ID2, follower2ActorPath), new MockRaftActorContext())
+ .withDispatcher(Dispatchers.DefaultDispatcherId()), actorFactory.generateActorId(LEADER_ID));
+ TestActorRef<MessageCollectorActor> leaderCollector = newLeaderCollectorActor(leaderActor.underlyingActor());
+
+ TestActorRef<MessageCollectorActor> follower1Collector = actorFactory.createTestActor(
+ MessageCollectorActor.props().withDispatcher(Dispatchers.DefaultDispatcherId()),
+ actorFactory.generateActorId("collector"));
+ final TestActorRef<CollectingMockRaftActor> follower1RaftActor = actorFactory.createTestActor(
+ CollectingMockRaftActor.props(FOLLOWER_ID, ImmutableMap.of(LEADER_ID, leaderActor.path().toString(),
+ FOLLOWER_ID2, follower2ActorPath), configParams, NO_PERSISTENCE, follower1Collector)
+ .withDispatcher(Dispatchers.DefaultDispatcherId()), follower1ActorId);
+
+ TestActorRef<MessageCollectorActor> follower2Collector = actorFactory.createTestActor(
+ MessageCollectorActor.props().withDispatcher(Dispatchers.DefaultDispatcherId()),
+ actorFactory.generateActorId("collector"));
+ final TestActorRef<CollectingMockRaftActor> follower2RaftActor = actorFactory.createTestActor(
+ CollectingMockRaftActor.props(FOLLOWER_ID2, ImmutableMap.of(LEADER_ID, leaderActor.path().toString(),
+ FOLLOWER_ID, follower1ActorPath), configParams, NO_PERSISTENCE, follower2Collector)
+ .withDispatcher(Dispatchers.DefaultDispatcherId()), follower2ActorId);
+
+ // Send first ChangeServersVotingStatus message
+
+ leaderActor.tell(new ChangeServersVotingStatus(ImmutableMap.of(FOLLOWER_ID, false, FOLLOWER_ID2, false)),
+ testKit.getRef());
+ ServerChangeReply reply = testKit.expectMsgClass(JavaTestKit.duration("5 seconds"), ServerChangeReply.class);
+ assertEquals("getStatus", ServerChangeStatus.OK, reply.getStatus());
+
+ final ApplyState applyState = MessageCollectorActor.expectFirstMatching(leaderCollector, ApplyState.class);
+ assertEquals(0L, applyState.getReplicatedLogEntry().getIndex());
+ verifyServerConfigurationPayloadEntry(leaderActor.underlyingActor().getRaftActorContext().getReplicatedLog(),
+ votingServer(LEADER_ID), nonVotingServer(FOLLOWER_ID), nonVotingServer(FOLLOWER_ID2));
+
+ MessageCollectorActor.expectFirstMatching(follower1Collector, ApplyState.class);
+ verifyServerConfigurationPayloadEntry(follower1RaftActor.underlyingActor().getRaftActorContext()
+ .getReplicatedLog(), votingServer(LEADER_ID), nonVotingServer(FOLLOWER_ID),
+ nonVotingServer(FOLLOWER_ID2));
+
+ MessageCollectorActor.expectFirstMatching(follower2Collector, ApplyState.class);
+ verifyServerConfigurationPayloadEntry(follower2RaftActor.underlyingActor().getRaftActorContext()
+ .getReplicatedLog(), votingServer(LEADER_ID), nonVotingServer(FOLLOWER_ID),
+ nonVotingServer(FOLLOWER_ID2));
+
+ MessageCollectorActor.clearMessages(leaderCollector);
+ MessageCollectorActor.clearMessages(follower1Collector);
+ MessageCollectorActor.clearMessages(follower2Collector);
+
+ // Send second ChangeServersVotingStatus message
+
+ leaderActor.tell(new ChangeServersVotingStatus(ImmutableMap.of(FOLLOWER_ID, true)), testKit.getRef());
+ reply = testKit.expectMsgClass(JavaTestKit.duration("5 seconds"), ServerChangeReply.class);
+ assertEquals("getStatus", ServerChangeStatus.OK, reply.getStatus());
+
+ MessageCollectorActor.expectFirstMatching(leaderCollector, ApplyState.class);
+ verifyServerConfigurationPayloadEntry(leaderActor.underlyingActor().getRaftActorContext().getReplicatedLog(),
+ votingServer(LEADER_ID), votingServer(FOLLOWER_ID), nonVotingServer(FOLLOWER_ID2));
+
+ MessageCollectorActor.expectFirstMatching(follower1Collector, ApplyState.class);
+ verifyServerConfigurationPayloadEntry(follower1RaftActor.underlyingActor().getRaftActorContext()
+ .getReplicatedLog(), votingServer(LEADER_ID), votingServer(FOLLOWER_ID), nonVotingServer(FOLLOWER_ID2));
+
+ MessageCollectorActor.expectFirstMatching(follower2Collector, ApplyState.class);
+ verifyServerConfigurationPayloadEntry(follower2RaftActor.underlyingActor().getRaftActorContext()
+ .getReplicatedLog(), votingServer(LEADER_ID), votingServer(FOLLOWER_ID), nonVotingServer(FOLLOWER_ID2));
+
+ LOG.info("testChangeServersVotingStatus ending");
+ }
+
+ @Test
+ public void testChangeLeaderToNonVoting() {
+ LOG.info("testChangeLeaderToNonVoting starting");
+
+ DefaultConfigParamsImpl configParams = new DefaultConfigParamsImpl();
+ configParams.setHeartBeatInterval(new FiniteDuration(500, TimeUnit.MILLISECONDS));
+
+ final String follower1ActorId = actorFactory.generateActorId(FOLLOWER_ID);
+ final String follower1ActorPath = actorFactory.createTestActorPath(follower1ActorId);
+ final String follower2ActorId = actorFactory.generateActorId(FOLLOWER_ID2);
+ final String follower2ActorPath = actorFactory.createTestActorPath(follower2ActorId);
+
+ TestActorRef<MockLeaderRaftActor> leaderActor = actorFactory.createTestActor(
+ MockLeaderRaftActor.props(ImmutableMap.of(FOLLOWER_ID, follower1ActorPath,
+ FOLLOWER_ID2, follower2ActorPath), new MockRaftActorContext())
+ .withDispatcher(Dispatchers.DefaultDispatcherId()), actorFactory.generateActorId(LEADER_ID));
+ TestActorRef<MessageCollectorActor> leaderCollector = newLeaderCollectorActor(leaderActor.underlyingActor());
+
+ TestActorRef<MessageCollectorActor> follower1Collector = actorFactory.createTestActor(
+ MessageCollectorActor.props().withDispatcher(Dispatchers.DefaultDispatcherId()),
+ actorFactory.generateActorId("collector"));
+ final TestActorRef<CollectingMockRaftActor> follower1RaftActor = actorFactory.createTestActor(
+ CollectingMockRaftActor.props(FOLLOWER_ID, ImmutableMap.of(LEADER_ID, leaderActor.path().toString(),
+ FOLLOWER_ID2, follower2ActorPath), configParams, NO_PERSISTENCE, follower1Collector)
+ .withDispatcher(Dispatchers.DefaultDispatcherId()), follower1ActorId);
+
+ TestActorRef<MessageCollectorActor> follower2Collector = actorFactory.createTestActor(
+ MessageCollectorActor.props().withDispatcher(Dispatchers.DefaultDispatcherId()),
+ actorFactory.generateActorId("collector"));
+ final TestActorRef<CollectingMockRaftActor> follower2RaftActor = actorFactory.createTestActor(
+ CollectingMockRaftActor.props(FOLLOWER_ID2, ImmutableMap.of(LEADER_ID, leaderActor.path().toString(),
+ FOLLOWER_ID, follower1ActorPath), configParams, NO_PERSISTENCE, follower2Collector)
+ .withDispatcher(Dispatchers.DefaultDispatcherId()), follower2ActorId);
+
+ // Send ChangeServersVotingStatus message
+
+ leaderActor.tell(new ChangeServersVotingStatus(ImmutableMap.of(LEADER_ID, false)), testKit.getRef());
+ ServerChangeReply reply = testKit.expectMsgClass(JavaTestKit.duration("5 seconds"), ServerChangeReply.class);
+ assertEquals("getStatus", ServerChangeStatus.OK, reply.getStatus());
+
+ MessageCollectorActor.expectFirstMatching(leaderCollector, ApplyState.class);
+ verifyServerConfigurationPayloadEntry(leaderActor.underlyingActor().getRaftActorContext().getReplicatedLog(),
+ nonVotingServer(LEADER_ID), votingServer(FOLLOWER_ID), votingServer(FOLLOWER_ID2));
+
+ MessageCollectorActor.expectFirstMatching(follower1Collector, ApplyState.class);
+ verifyServerConfigurationPayloadEntry(follower1RaftActor.underlyingActor().getRaftActorContext()
+ .getReplicatedLog(), nonVotingServer(LEADER_ID), votingServer(FOLLOWER_ID), votingServer(FOLLOWER_ID2));
+
+ MessageCollectorActor.expectFirstMatching(follower2Collector, ApplyState.class);
+ verifyServerConfigurationPayloadEntry(follower2RaftActor.underlyingActor().getRaftActorContext()
+ .getReplicatedLog(), nonVotingServer(LEADER_ID), votingServer(FOLLOWER_ID), votingServer(FOLLOWER_ID2));
+
+ verifyRaftState(RaftState.Leader, follower1RaftActor.underlyingActor(), follower2RaftActor.underlyingActor());
+ verifyRaftState(RaftState.Follower, leaderActor.underlyingActor());
+
+ MessageCollectorActor.expectMatching(leaderCollector, AppendEntries.class, 2);
+
+ LOG.info("testChangeLeaderToNonVoting ending");
+ }
+
+ @Test
+ public void testChangeLeaderToNonVotingInSingleNode() {
+ LOG.info("testChangeLeaderToNonVotingInSingleNode starting");
+
+ TestActorRef<MockLeaderRaftActor> leaderActor = actorFactory.createTestActor(
+ MockLeaderRaftActor.props(ImmutableMap.of(), new MockRaftActorContext())
+ .withDispatcher(Dispatchers.DefaultDispatcherId()), actorFactory.generateActorId(LEADER_ID));
+
+ leaderActor.tell(new ChangeServersVotingStatus(ImmutableMap.of(LEADER_ID, false)), testKit.getRef());
+ ServerChangeReply reply = testKit.expectMsgClass(JavaTestKit.duration("5 seconds"), ServerChangeReply.class);
+ assertEquals("getStatus", ServerChangeStatus.INVALID_REQUEST, reply.getStatus());
+
+ LOG.info("testChangeLeaderToNonVotingInSingleNode ending");
+ }
+
+ @Test
+ public void testChangeToVotingWithNoLeader() {
+ LOG.info("testChangeToVotingWithNoLeader starting");
+
+ DefaultConfigParamsImpl configParams = new DefaultConfigParamsImpl();
+ configParams.setHeartBeatInterval(new FiniteDuration(100, TimeUnit.MILLISECONDS));
+ configParams.setElectionTimeoutFactor(5);
+
+ final String node1ID = "node1";
+ final String node2ID = "node2";
+
+ // Set up a persisted ServerConfigurationPayload. Initially node1 and node2 will come up as non-voting.
+ // via the server config. The server config will also contain 2 voting peers that are down (ie no
+ // actors created).
+
+ ServerConfigurationPayload persistedServerConfig = new ServerConfigurationPayload(Arrays.asList(
+ new ServerInfo(node1ID, false), new ServerInfo(node2ID, false),
+ new ServerInfo("downNode1", true), new ServerInfo("downNode2", true)));
+ SimpleReplicatedLogEntry persistedServerConfigEntry = new SimpleReplicatedLogEntry(0, 1, persistedServerConfig);
+
+ InMemoryJournal.addEntry(node1ID, 1, new UpdateElectionTerm(1, "downNode1"));
+ InMemoryJournal.addEntry(node1ID, 2, persistedServerConfigEntry);
+ InMemoryJournal.addEntry(node1ID, 3, new ApplyJournalEntries(0));
+ InMemoryJournal.addEntry(node2ID, 1, new UpdateElectionTerm(1, "downNode2"));
+ InMemoryJournal.addEntry(node2ID, 2, persistedServerConfigEntry);
+ InMemoryJournal.addEntry(node2ID, 3, new ApplyJournalEntries(0));
+
+ TestActorRef<MessageCollectorActor> node1Collector = actorFactory.createTestActor(
+ MessageCollectorActor.props().withDispatcher(Dispatchers.DefaultDispatcherId()),
+ actorFactory.generateActorId("collector"));
+ TestActorRef<CollectingMockRaftActor> node1RaftActorRef = actorFactory.createTestActor(
+ CollectingMockRaftActor.props(node1ID, ImmutableMap.<String, String>of(), configParams,
+ PERSISTENT, node1Collector).withDispatcher(Dispatchers.DefaultDispatcherId()), node1ID);
+ CollectingMockRaftActor node1RaftActor = node1RaftActorRef.underlyingActor();
+
+ TestActorRef<MessageCollectorActor> node2Collector = actorFactory.createTestActor(
+ MessageCollectorActor.props().withDispatcher(Dispatchers.DefaultDispatcherId()),
+ actorFactory.generateActorId("collector"));
+ TestActorRef<CollectingMockRaftActor> node2RaftActorRef = actorFactory.createTestActor(
+ CollectingMockRaftActor.props(node2ID, ImmutableMap.<String, String>of(), configParams,
+ PERSISTENT, node2Collector).withDispatcher(Dispatchers.DefaultDispatcherId()), node2ID);
+ CollectingMockRaftActor node2RaftActor = node2RaftActorRef.underlyingActor();
+
+ node1RaftActor.waitForInitializeBehaviorComplete();
+ node2RaftActor.waitForInitializeBehaviorComplete();
+
+ // Verify the intended server config was loaded and applied.
+ verifyServerConfigurationPayloadEntry(node1RaftActor.getRaftActorContext().getReplicatedLog(),
+ nonVotingServer(node1ID), nonVotingServer(node2ID), votingServer("downNode1"),
+ votingServer("downNode2"));
+ assertEquals("isVotingMember", false, node1RaftActor.getRaftActorContext().isVotingMember());
+ assertEquals("getRaftState", RaftState.Follower, node1RaftActor.getRaftState());
+ assertEquals("getLeaderId", null, node1RaftActor.getLeaderId());
+
+ verifyServerConfigurationPayloadEntry(node2RaftActor.getRaftActorContext().getReplicatedLog(),
+ nonVotingServer(node1ID), nonVotingServer(node2ID), votingServer("downNode1"),
+ votingServer("downNode2"));
+ assertEquals("isVotingMember", false, node2RaftActor.getRaftActorContext().isVotingMember());
+
+ // For the test, we send a ChangeServersVotingStatus message to node1 to flip the voting states for
+ // each server, ie node1 and node2 to voting and the 2 down nodes to non-voting. This should cause
+ // node1 to try to elect itself as leader in order to apply the new server config. Since the 2
+ // down nodes are switched to non-voting, node1 should only need a vote from node2.
+
+ // First send the message such that node1 has no peer address for node2 - should fail.
+
+ ChangeServersVotingStatus changeServers = new ChangeServersVotingStatus(ImmutableMap.of(node1ID, true,
+ node2ID, true, "downNode1", false, "downNode2", false));
+ node1RaftActorRef.tell(changeServers, testKit.getRef());
+ ServerChangeReply reply = testKit.expectMsgClass(JavaTestKit.duration("5 seconds"), ServerChangeReply.class);
+ assertEquals("getStatus", ServerChangeStatus.NO_LEADER, reply.getStatus());
+ assertEquals("getRaftState", RaftState.Follower, node1RaftActor.getRaftState());
+
+ // Send an AppendEntries so node1 has a leaderId
+
+ long term = node1RaftActor.getRaftActorContext().getTermInformation().getCurrentTerm();
+ node1RaftActorRef.tell(new AppendEntries(term, "downNode1", -1L, -1L,
+ Collections.<ReplicatedLogEntry>emptyList(), 0, -1, (short)1), ActorRef.noSender());
+
+ // Wait for the ElectionTimeout to clear the leaderId. The leaderId must be null so on the next
+ // ChangeServersVotingStatus message, it will try to elect a leader.
+
+ AbstractRaftActorIntegrationTest.verifyRaftState(node1RaftActorRef,
+ rs -> assertEquals("getLeader", null, rs.getLeader()));
+
+ // Update node2's peer address and send the message again
+
+ node1RaftActor.setPeerAddress(node2ID, node2RaftActorRef.path().toString());
+
+ node1RaftActorRef.tell(changeServers, testKit.getRef());
+ reply = testKit.expectMsgClass(JavaTestKit.duration("5 seconds"), ServerChangeReply.class);
+ assertEquals("getStatus", ServerChangeStatus.OK, reply.getStatus());
+
+ ApplyJournalEntries apply = MessageCollectorActor.expectFirstMatching(node1Collector,
+ ApplyJournalEntries.class);
+ assertEquals("getToIndex", 1, apply.getToIndex());
+ verifyServerConfigurationPayloadEntry(node1RaftActor.getRaftActorContext().getReplicatedLog(),
+ votingServer(node1ID), votingServer(node2ID), nonVotingServer("downNode1"),
+ nonVotingServer("downNode2"));
+ assertEquals("isVotingMember", true, node1RaftActor.getRaftActorContext().isVotingMember());
+ assertEquals("getRaftState", RaftState.Leader, node1RaftActor.getRaftState());
+
+ apply = MessageCollectorActor.expectFirstMatching(node2Collector, ApplyJournalEntries.class);
+ assertEquals("getToIndex", 1, apply.getToIndex());
+ verifyServerConfigurationPayloadEntry(node2RaftActor.getRaftActorContext().getReplicatedLog(),
+ votingServer(node1ID), votingServer(node2ID), nonVotingServer("downNode1"),
+ nonVotingServer("downNode2"));
+ assertEquals("isVotingMember", true, node2RaftActor.getRaftActorContext().isVotingMember());
+ assertEquals("getRaftState", RaftState.Follower, node2RaftActor.getRaftState());
+
+ LOG.info("testChangeToVotingWithNoLeader ending");
+ }
+
+ @Test
+ public void testChangeToVotingWithNoLeaderAndElectionTimeout() {
+ LOG.info("testChangeToVotingWithNoLeaderAndElectionTimeout starting");
+
+ final String node1ID = "node1";
+ final String node2ID = "node2";
+
+ final PeerAddressResolver peerAddressResolver = peerId -> peerId.equals(node1ID)
+ ? actorFactory.createTestActorPath(node1ID) : peerId.equals(node2ID)
+ ? actorFactory.createTestActorPath(node2ID) : null;
+
+ ServerConfigurationPayload persistedServerConfig = new ServerConfigurationPayload(Arrays.asList(
+ new ServerInfo(node1ID, false), new ServerInfo(node2ID, true)));
+ SimpleReplicatedLogEntry persistedServerConfigEntry = new SimpleReplicatedLogEntry(0, 1, persistedServerConfig);
+
+ InMemoryJournal.addEntry(node1ID, 1, new UpdateElectionTerm(1, "node1"));
+ InMemoryJournal.addEntry(node1ID, 2, persistedServerConfigEntry);
+ InMemoryJournal.addEntry(node2ID, 1, new UpdateElectionTerm(1, "node1"));
+ InMemoryJournal.addEntry(node2ID, 2, persistedServerConfigEntry);
+
+ DefaultConfigParamsImpl configParams1 = new DefaultConfigParamsImpl();
+ configParams1.setHeartBeatInterval(new FiniteDuration(100, TimeUnit.MILLISECONDS));
+ configParams1.setElectionTimeoutFactor(1);
+ configParams1.setPeerAddressResolver(peerAddressResolver);
+ TestActorRef<MessageCollectorActor> node1Collector = actorFactory.createTestActor(
+ MessageCollectorActor.props().withDispatcher(Dispatchers.DefaultDispatcherId()),
+ actorFactory.generateActorId("collector"));
+ TestActorRef<CollectingMockRaftActor> node1RaftActorRef = actorFactory.createTestActor(
+ CollectingMockRaftActor.props(node1ID, ImmutableMap.<String, String>of(), configParams1,
+ PERSISTENT, node1Collector).withDispatcher(Dispatchers.DefaultDispatcherId()), node1ID);
+ final CollectingMockRaftActor node1RaftActor = node1RaftActorRef.underlyingActor();
+
+ DefaultConfigParamsImpl configParams2 = new DefaultConfigParamsImpl();
+ configParams2.setElectionTimeoutFactor(1000000);
+ configParams2.setPeerAddressResolver(peerAddressResolver);
+ TestActorRef<MessageCollectorActor> node2Collector = actorFactory.createTestActor(
+ MessageCollectorActor.props().withDispatcher(Dispatchers.DefaultDispatcherId()),
+ actorFactory.generateActorId("collector"));
+ TestActorRef<CollectingMockRaftActor> node2RaftActorRef = actorFactory.createTestActor(
+ CollectingMockRaftActor.props(node2ID, ImmutableMap.<String, String>of(), configParams2,
+ PERSISTENT, node2Collector).withDispatcher(Dispatchers.DefaultDispatcherId()), node2ID);
+ CollectingMockRaftActor node2RaftActor = node2RaftActorRef.underlyingActor();
+
+ // Send a ChangeServersVotingStatus message to node1 to change mode1 to voting. This should cause
+ // node1 to try to elect itself as leader in order to apply the new server config. But we'll drop
+ // RequestVote messages in node2 which should cause node1 to time out and revert back to the previous
+ // server config and fail with NO_LEADER. Note that node1 shouldn't forward the request to node2 b/c
+ // node2 was previously voting.
+
+ node2RaftActor.setDropMessageOfType(RequestVote.class);
+
+ ChangeServersVotingStatus changeServers = new ChangeServersVotingStatus(ImmutableMap.of(node1ID, true));
+ node1RaftActorRef.tell(changeServers, testKit.getRef());
+ ServerChangeReply reply = testKit.expectMsgClass(JavaTestKit.duration("5 seconds"), ServerChangeReply.class);
+ assertEquals("getStatus", ServerChangeStatus.NO_LEADER, reply.getStatus());
+
+ assertEquals("Server config", Sets.newHashSet(nonVotingServer(node1ID), votingServer(node2ID)),
+ Sets.newHashSet(node1RaftActor.getRaftActorContext().getPeerServerInfo(true).getServerConfig()));
+ assertEquals("getRaftState", RaftState.Follower, node1RaftActor.getRaftState());
+
+ LOG.info("testChangeToVotingWithNoLeaderAndElectionTimeout ending");
+ }
+
+ @Test
+ public void testChangeToVotingWithNoLeaderAndForwardedToOtherNodeAfterElectionTimeout() {
+ LOG.info("testChangeToVotingWithNoLeaderAndForwardedToOtherNodeAfterElectionTimeout starting");
+
+ final String node1ID = "node1";
+ final String node2ID = "node2";
+
+ final PeerAddressResolver peerAddressResolver = peerId -> peerId.equals(node1ID)
+ ? actorFactory.createTestActorPath(node1ID) : peerId.equals(node2ID)
+ ? actorFactory.createTestActorPath(node2ID) : null;
+
+ DefaultConfigParamsImpl configParams = new DefaultConfigParamsImpl();
+ configParams.setHeartBeatInterval(new FiniteDuration(100, TimeUnit.MILLISECONDS));
+ configParams.setElectionTimeoutFactor(3);
+ configParams.setPeerAddressResolver(peerAddressResolver);
+
+ ServerConfigurationPayload persistedServerConfig = new ServerConfigurationPayload(Arrays.asList(
+ new ServerInfo(node1ID, false), new ServerInfo(node2ID, false)));
+ SimpleReplicatedLogEntry persistedServerConfigEntry = new SimpleReplicatedLogEntry(0, 1, persistedServerConfig);
+
+ InMemoryJournal.addEntry(node1ID, 1, new UpdateElectionTerm(1, "node1"));
+ InMemoryJournal.addEntry(node1ID, 2, persistedServerConfigEntry);
+ InMemoryJournal.addEntry(node2ID, 1, new UpdateElectionTerm(1, "node1"));
+ InMemoryJournal.addEntry(node2ID, 2, persistedServerConfigEntry);
+ InMemoryJournal.addEntry(node2ID, 3, new SimpleReplicatedLogEntry(1, 1,
+ new MockRaftActorContext.MockPayload("2")));
+ InMemoryJournal.addEntry(node2ID, 4, new ApplyJournalEntries(1));
+
+ TestActorRef<MessageCollectorActor> node1Collector = actorFactory.createTestActor(
+ MessageCollectorActor.props().withDispatcher(Dispatchers.DefaultDispatcherId()),
+ actorFactory.generateActorId("collector"));
+ TestActorRef<CollectingMockRaftActor> node1RaftActorRef = actorFactory.createTestActor(
+ CollectingMockRaftActor.props(node1ID, ImmutableMap.<String, String>of(), configParams,
+ PERSISTENT, node1Collector).withDispatcher(Dispatchers.DefaultDispatcherId()), node1ID);
+ final CollectingMockRaftActor node1RaftActor = node1RaftActorRef.underlyingActor();
+
+ TestActorRef<MessageCollectorActor> node2Collector = actorFactory.createTestActor(
+ MessageCollectorActor.props().withDispatcher(Dispatchers.DefaultDispatcherId()),
+ actorFactory.generateActorId("collector"));
+ TestActorRef<CollectingMockRaftActor> node2RaftActorRef = actorFactory.createTestActor(
+ CollectingMockRaftActor.props(node2ID, ImmutableMap.<String, String>of(), configParams,
+ PERSISTENT, node2Collector).withDispatcher(Dispatchers.DefaultDispatcherId()), node2ID);
+ final CollectingMockRaftActor node2RaftActor = node2RaftActorRef.underlyingActor();
+
+ // Send a ChangeServersVotingStatus message to node1 to change mode1 to voting. This should cause
+ // node1 to try to elect itself as leader in order to apply the new server config. However node1's log
+ // is behind node2's so node2 should not grant node1's vote. This should cause node1 to time out and
+ // forward the request to node2.
+
+ ChangeServersVotingStatus changeServers = new ChangeServersVotingStatus(
+ ImmutableMap.of(node1ID, true, node2ID, true));
+ node1RaftActorRef.tell(changeServers, testKit.getRef());
+ ServerChangeReply reply = testKit.expectMsgClass(JavaTestKit.duration("5 seconds"), ServerChangeReply.class);
+ assertEquals("getStatus", ServerChangeStatus.OK, reply.getStatus());
+
+ MessageCollectorActor.expectFirstMatching(node2Collector, ApplyJournalEntries.class);
+ verifyServerConfigurationPayloadEntry(node2RaftActor.getRaftActorContext().getReplicatedLog(),
+ votingServer(node1ID), votingServer(node2ID));
+ assertEquals("getRaftState", RaftState.Leader, node2RaftActor.getRaftState());
+
+ MessageCollectorActor.expectFirstMatching(node1Collector, ApplyJournalEntries.class);
+ verifyServerConfigurationPayloadEntry(node1RaftActor.getRaftActorContext().getReplicatedLog(),
+ votingServer(node1ID), votingServer(node2ID));
+ assertEquals("isVotingMember", true, node1RaftActor.getRaftActorContext().isVotingMember());
+ assertEquals("getRaftState", RaftState.Follower, node1RaftActor.getRaftState());
+
+ LOG.info("testChangeToVotingWithNoLeaderAndForwardedToOtherNodeAfterElectionTimeout ending");
+ }
+
+ @Test
+ public void testChangeToVotingWithNoLeaderAndOtherLeaderElected() {
+ LOG.info("testChangeToVotingWithNoLeaderAndOtherLeaderElected starting");
+
+ DefaultConfigParamsImpl configParams = new DefaultConfigParamsImpl();
+ configParams.setHeartBeatInterval(new FiniteDuration(100, TimeUnit.MILLISECONDS));
+ configParams.setElectionTimeoutFactor(100000);
+
+ final String node1ID = "node1";
+ final String node2ID = "node2";
+
+ configParams.setPeerAddressResolver(peerId -> peerId.equals(node1ID)
+ ? actorFactory.createTestActorPath(node1ID) : peerId.equals(node2ID)
+ ? actorFactory.createTestActorPath(node2ID) : null);
+
+ ServerConfigurationPayload persistedServerConfig = new ServerConfigurationPayload(Arrays.asList(
+ new ServerInfo(node1ID, false), new ServerInfo(node2ID, true)));
+ SimpleReplicatedLogEntry persistedServerConfigEntry = new SimpleReplicatedLogEntry(0, 1, persistedServerConfig);
+
+ InMemoryJournal.addEntry(node1ID, 1, new UpdateElectionTerm(1, "node1"));
+ InMemoryJournal.addEntry(node1ID, 2, persistedServerConfigEntry);
+ InMemoryJournal.addEntry(node2ID, 1, new UpdateElectionTerm(1, "node1"));
+ InMemoryJournal.addEntry(node2ID, 2, persistedServerConfigEntry);
+
+ TestActorRef<MessageCollectorActor> node1Collector = actorFactory.createTestActor(
+ MessageCollectorActor.props().withDispatcher(Dispatchers.DefaultDispatcherId()),
+ actorFactory.generateActorId("collector"));
+ TestActorRef<CollectingMockRaftActor> node1RaftActorRef = actorFactory.createTestActor(
+ CollectingMockRaftActor.props(node1ID, ImmutableMap.<String, String>of(), configParams,
+ PERSISTENT, node1Collector).withDispatcher(Dispatchers.DefaultDispatcherId()), node1ID);
+ final CollectingMockRaftActor node1RaftActor = node1RaftActorRef.underlyingActor();
+
+ TestActorRef<MessageCollectorActor> node2Collector = actorFactory.createTestActor(
+ MessageCollectorActor.props().withDispatcher(Dispatchers.DefaultDispatcherId()),
+ actorFactory.generateActorId("collector"));
+ TestActorRef<CollectingMockRaftActor> node2RaftActorRef = actorFactory.createTestActor(
+ CollectingMockRaftActor.props(node2ID, ImmutableMap.<String, String>of(), configParams,
+ PERSISTENT, node2Collector).withDispatcher(Dispatchers.DefaultDispatcherId()), node2ID);
+ CollectingMockRaftActor node2RaftActor = node2RaftActorRef.underlyingActor();
+
+ // Send a ChangeServersVotingStatus message to node1 to change node1 to voting. This should cause
+ // node1 to try to elect itself as leader in order to apply the new server config. But we'll drop
+ // RequestVote messages in node2 and make it the leader so node1 should forward the server change
+ // request to node2 when node2 is elected.
+
+ node2RaftActor.setDropMessageOfType(RequestVote.class);
+
+ ChangeServersVotingStatus changeServers = new ChangeServersVotingStatus(ImmutableMap.of(node1ID, true,
+ node2ID, true));
+ node1RaftActorRef.tell(changeServers, testKit.getRef());
+
+ MessageCollectorActor.expectFirstMatching(node2Collector, RequestVote.class);
+
+ node2RaftActorRef.tell(TimeoutNow.INSTANCE, ActorRef.noSender());
+
+ ServerChangeReply reply = testKit.expectMsgClass(JavaTestKit.duration("5 seconds"), ServerChangeReply.class);
+ assertEquals("getStatus", ServerChangeStatus.OK, reply.getStatus());
+
+ MessageCollectorActor.expectFirstMatching(node1Collector, ApplyJournalEntries.class);
+ verifyServerConfigurationPayloadEntry(node1RaftActor.getRaftActorContext().getReplicatedLog(),
+ votingServer(node1ID), votingServer(node2ID));
+ assertEquals("isVotingMember", true, node1RaftActor.getRaftActorContext().isVotingMember());
+ assertEquals("getRaftState", RaftState.Follower, node1RaftActor.getRaftState());
+
+ MessageCollectorActor.expectFirstMatching(node2Collector, ApplyJournalEntries.class);
+ verifyServerConfigurationPayloadEntry(node2RaftActor.getRaftActorContext().getReplicatedLog(),
+ votingServer(node1ID), votingServer(node2ID));
+ assertEquals("getRaftState", RaftState.Leader, node2RaftActor.getRaftState());
+
+ LOG.info("testChangeToVotingWithNoLeaderAndOtherLeaderElected ending");
+ }
+
+ private static void verifyRaftState(RaftState expState, RaftActor... raftActors) {
+ Stopwatch sw = Stopwatch.createStarted();
+ while (sw.elapsed(TimeUnit.SECONDS) <= 5) {
+ for (RaftActor raftActor : raftActors) {
+ if (raftActor.getRaftState() == expState) {
+ return;
+ }
+ }
+ }
+
+ fail("None of the RaftActors have state " + expState);
+ }
+
+ private static ServerInfo votingServer(String id) {
+ return new ServerInfo(id, true);
+ }
+
+ private static ServerInfo nonVotingServer(String id) {
+ return new ServerInfo(id, false);
+ }
+
+ private TestActorRef<MessageCollectorActor> newLeaderCollectorActor(MockLeaderRaftActor leaderRaftActor) {
+ return newCollectorActor(leaderRaftActor, LEADER_ID);
+ }
+
+ private TestActorRef<MessageCollectorActor> newCollectorActor(AbstractMockRaftActor raftActor, String id) {
+ TestActorRef<MessageCollectorActor> collectorActor = actorFactory.createTestActor(
+ MessageCollectorActor.props().withDispatcher(Dispatchers.DefaultDispatcherId()),
+ actorFactory.generateActorId(id + "Collector"));
+ raftActor.setCollectorActor(collectorActor);
+ return collectorActor;
+ }
+
+ private static void verifyServerConfigurationPayloadEntry(ReplicatedLog log, ServerInfo... expected) {
+ ReplicatedLogEntry logEntry = log.get(log.lastIndex());
+ assertEquals("Last log entry payload class", ServerConfigurationPayload.class, logEntry.getData().getClass());
+ ServerConfigurationPayload payload = (ServerConfigurationPayload)logEntry.getData();
+ assertEquals("Server config", Sets.newHashSet(expected), Sets.newHashSet(payload.getServerConfig()));
+ }
+
+ private static RaftActorContextImpl newFollowerContext(String id, TestActorRef<? extends UntypedActor> actor) {
+ DefaultConfigParamsImpl configParams = new DefaultConfigParamsImpl();
+ configParams.setHeartBeatInterval(new FiniteDuration(100, TimeUnit.MILLISECONDS));
+ configParams.setElectionTimeoutFactor(100000);
+ NonPersistentDataProvider noPersistence = new NonPersistentDataProvider();
+ ElectionTermImpl termInfo = new ElectionTermImpl(noPersistence, id, LOG);
+ termInfo.update(1, LEADER_ID);
+ return new RaftActorContextImpl(actor, actor.underlyingActor().getContext(),
+ id, termInfo, -1, -1, ImmutableMap.of(LEADER_ID, ""), configParams,
+ noPersistence, applyState -> actor.tell(applyState, actor), LOG);
+ }
+
+ abstract static class AbstractMockRaftActor extends MockRaftActor {
+ private volatile TestActorRef<MessageCollectorActor> collectorActor;
+ private volatile Class<?> dropMessageOfType;
+
+ AbstractMockRaftActor(String id, Map<String, String> peerAddresses, Optional<ConfigParams> config,
+ boolean persistent, TestActorRef<MessageCollectorActor> collectorActor) {
+ super(builder().id(id).peerAddresses(peerAddresses).config(config.get())
+ .persistent(Optional.of(persistent)));
+ this.collectorActor = collectorActor;
+ }
+
+ void setDropMessageOfType(Class<?> dropMessageOfType) {
+ this.dropMessageOfType = dropMessageOfType;
+ }
+
+ void setCollectorActor(TestActorRef<MessageCollectorActor> collectorActor) {
+ this.collectorActor = collectorActor;
+ }
+
+ @Override
+ public void handleCommand(Object message) {
+ if (dropMessageOfType == null || !dropMessageOfType.equals(message.getClass())) {
+ super.handleCommand(message);
+ }
+
+ if (collectorActor != null) {
+ collectorActor.tell(message, getSender());
+ }
+ }
+ }
+
+ public static class CollectingMockRaftActor extends AbstractMockRaftActor {
+
+ CollectingMockRaftActor(String id, Map<String, String> peerAddresses, Optional<ConfigParams> config,
+ boolean persistent, TestActorRef<MessageCollectorActor> collectorActor) {
+ super(id, peerAddresses, config, persistent, collectorActor);
+ snapshotCohortDelegate = new RaftActorSnapshotCohort() {
+ @Override
+ public void createSnapshot(ActorRef actorRef, java.util.Optional<OutputStream> installSnapshotStream) {
+ actorRef.tell(new CaptureSnapshotReply(ByteState.empty(), installSnapshotStream), actorRef);
+ }
+
+ @Override
+ public void applySnapshot(
+ org.opendaylight.controller.cluster.raft.persisted.Snapshot.State snapshotState) {
+ }
+
+ @Override
+ public org.opendaylight.controller.cluster.raft.persisted.Snapshot.State deserializeSnapshot(
+ ByteSource snapshotBytes) {
+ throw new UnsupportedOperationException();
+ }
+ };
+ }
+
+ public static Props props(final String id, final Map<String, String> peerAddresses,
+ ConfigParams config, boolean persistent, TestActorRef<MessageCollectorActor> collectorActor) {
+
+ return Props.create(CollectingMockRaftActor.class, id, peerAddresses, Optional.of(config),
+ persistent, collectorActor);
+ }
+
+ }
+
+ public static class MockLeaderRaftActor extends AbstractMockRaftActor {
+ public MockLeaderRaftActor(Map<String, String> peerAddresses, ConfigParams config,
+ RaftActorContext fromContext) {
+ super(LEADER_ID, peerAddresses, Optional.of(config), NO_PERSISTENCE, null);
+ setPersistence(false);
+
+ RaftActorContext context = getRaftActorContext();
+ for (int i = 0; i < fromContext.getReplicatedLog().size(); i++) {
ReplicatedLogEntry entry = fromContext.getReplicatedLog().get(i);
getState().add(entry.getData());
context.getReplicatedLog().append(entry);
context.setCommitIndex(fromContext.getCommitIndex());
context.setLastApplied(fromContext.getLastApplied());
+ context.getTermInformation().update(fromContext.getTermInformation().getCurrentTerm(),
+ fromContext.getTermInformation().getVotedFor());
}
@Override
}
@Override
- public void createSnapshot(ActorRef actorRef) {
- try {
- actorRef.tell(new CaptureSnapshotReply(RaftActorTest.fromObject(getState()).toByteArray()), actorRef);
- } catch (Exception e) {
- LOG.error("createSnapshot failed", e);
+ @SuppressWarnings("checkstyle:IllegalCatch")
+ public void createSnapshot(ActorRef actorRef, java.util.Optional<OutputStream> installSnapshotStream) {
+ MockSnapshotState snapshotState = new MockSnapshotState(new ArrayList<>(getState()));
+ if (installSnapshotStream.isPresent()) {
+ SerializationUtils.serialize(snapshotState, installSnapshotStream.get());
}
+
+ actorRef.tell(new CaptureSnapshotReply(snapshotState, installSnapshotStream), actorRef);
}
static Props props(Map<String, String> peerAddresses, RaftActorContext fromContext) {
DefaultConfigParamsImpl configParams = new DefaultConfigParamsImpl();
- configParams.setHeartBeatInterval(new FiniteDuration(1, TimeUnit.DAYS));
- configParams.setElectionTimeoutFactor(100000);
+ configParams.setHeartBeatInterval(new FiniteDuration(100, TimeUnit.MILLISECONDS));
+ configParams.setElectionTimeoutFactor(10);
return Props.create(MockLeaderRaftActor.class, peerAddresses, configParams, fromContext);
}
}
+
+ public static class MockNewFollowerRaftActor extends AbstractMockRaftActor {
+ public MockNewFollowerRaftActor(ConfigParams config, TestActorRef<MessageCollectorActor> collectorActor) {
+ super(NEW_SERVER_ID, Maps.<String, String>newHashMap(), Optional.of(config), NO_PERSISTENCE,
+ collectorActor);
+ setPersistence(false);
+ }
+
+ static Props props(ConfigParams config, TestActorRef<MessageCollectorActor> collectorActor) {
+ return Props.create(MockNewFollowerRaftActor.class, config, collectorActor);
+ }
+ }
}
Code Review / controller.git / blobdiff