Examples with DefaultConfigParamsImpl org.opendaylight.controller.cluster.raft.DefaultConfigParamsImpl used on opensource projects

Example 6 with DefaultConfigParamsImpl

use of org.opendaylight.controller.cluster.raft.DefaultConfigParamsImpl in project controller by opendaylight.

the class LeaderTest method createFollowerActorContextWithLeader.

private MockRaftActorContext createFollowerActorContextWithLeader() {
    MockRaftActorContext followerActorContext = createActorContext(FOLLOWER_ID, followerActor);
    DefaultConfigParamsImpl followerConfig = new DefaultConfigParamsImpl();
    followerConfig.setElectionTimeoutFactor(10000);
    followerActorContext.setConfigParams(followerConfig);
    followerActorContext.setPeerAddresses(ImmutableMap.of(LEADER_ID, leaderActor.path().toString()));
    return followerActorContext;
}

Example 7 with DefaultConfigParamsImpl

use of org.opendaylight.controller.cluster.raft.DefaultConfigParamsImpl in project controller by opendaylight.

the class LeaderTest method testSendingReplicateImmediatelyAfterHeartbeatDoesReplicate.

@Test
public void testSendingReplicateImmediatelyAfterHeartbeatDoesReplicate() throws Exception {
    logStart("testSendingReplicateImmediatelyAfterHeartbeatDoesReplicate");
    MockRaftActorContext actorContext = createActorContextWithFollower();
    actorContext.setConfigParams(new DefaultConfigParamsImpl() {

        @Override
        public FiniteDuration getHeartBeatInterval() {
            return FiniteDuration.apply(100, TimeUnit.MILLISECONDS);
        }
    });
    long term = 1;
    actorContext.getTermInformation().update(term, "");
    leader = new Leader(actorContext);
    // Leader will send an immediate heartbeat - ignore it.
    MessageCollectorActor.expectFirstMatching(followerActor, AppendEntries.class);
    // The follower would normally reply - simulate that explicitly here.
    long lastIndex = actorContext.getReplicatedLog().lastIndex();
    leader.handleMessage(followerActor, new AppendEntriesReply(FOLLOWER_ID, term, true, lastIndex, term, (short) 0));
    assertEquals("isFollowerActive", true, leader.getFollower(FOLLOWER_ID).isFollowerActive());
    followerActor.underlyingActor().clear();
    Uninterruptibles.sleepUninterruptibly(150, TimeUnit.MILLISECONDS);
    leader.handleMessage(leaderActor, SendHeartBeat.INSTANCE);
    sendReplicate(actorContext, lastIndex + 1);
    List<AppendEntries> allMessages = MessageCollectorActor.getAllMatching(followerActor, AppendEntries.class);
    assertEquals("The number of append entries collected should be 2", 2, allMessages.size());
    assertEquals(0, allMessages.get(0).getEntries().size());
    assertEquals(1, allMessages.get(1).getEntries().size());
}

Example 8 with DefaultConfigParamsImpl

use of org.opendaylight.controller.cluster.raft.DefaultConfigParamsImpl in project controller by opendaylight.

the class LeaderTest method testSendSnapshotfromInstallSnapshotReply.

@Test
public void testSendSnapshotfromInstallSnapshotReply() throws Exception {
    logStart("testSendSnapshotfromInstallSnapshotReply");
    MockRaftActorContext actorContext = createActorContextWithFollower();
    final int commitIndex = 3;
    final int snapshotIndex = 2;
    final int snapshotTerm = 1;
    final int currentTerm = 2;
    DefaultConfigParamsImpl configParams = new DefaultConfigParamsImpl() {

        @Override
        public int getSnapshotChunkSize() {
            return 50;
        }
    };
    configParams.setHeartBeatInterval(new FiniteDuration(9, TimeUnit.SECONDS));
    configParams.setIsolatedLeaderCheckInterval(new FiniteDuration(10, TimeUnit.SECONDS));
    actorContext.setConfigParams(configParams);
    actorContext.setCommitIndex(commitIndex);
    leader = new Leader(actorContext);
    actorContext.setCurrentBehavior(leader);
    leader.getFollower(FOLLOWER_ID).setMatchIndex(-1);
    leader.getFollower(FOLLOWER_ID).setNextIndex(0);
    Map<String, String> leadersSnapshot = new HashMap<>();
    leadersSnapshot.put("1", "A");
    leadersSnapshot.put("2", "B");
    leadersSnapshot.put("3", "C");
    // set the snapshot variables in replicatedlog
    actorContext.getReplicatedLog().setSnapshotIndex(snapshotIndex);
    actorContext.getReplicatedLog().setSnapshotTerm(snapshotTerm);
    actorContext.getTermInformation().update(currentTerm, leaderActor.path().toString());
    ByteString bs = toByteString(leadersSnapshot);
    Snapshot snapshot = Snapshot.create(ByteState.of(bs.toByteArray()), Collections.<ReplicatedLogEntry>emptyList(), commitIndex, snapshotTerm, commitIndex, snapshotTerm, -1, null, null);
    leader.handleMessage(leaderActor, new SendInstallSnapshot(snapshot, ByteSource.wrap(bs.toByteArray())));
    InstallSnapshot installSnapshot = MessageCollectorActor.expectFirstMatching(followerActor, InstallSnapshot.class);
    assertEquals(1, installSnapshot.getChunkIndex());
    assertEquals(3, installSnapshot.getTotalChunks());
    followerActor.underlyingActor().clear();
    leader.handleMessage(followerActor, new InstallSnapshotReply(actorContext.getTermInformation().getCurrentTerm(), FOLLOWER_ID, installSnapshot.getChunkIndex(), true));
    installSnapshot = MessageCollectorActor.expectFirstMatching(followerActor, InstallSnapshot.class);
    assertEquals(2, installSnapshot.getChunkIndex());
    assertEquals(3, installSnapshot.getTotalChunks());
    followerActor.underlyingActor().clear();
    leader.handleMessage(followerActor, new InstallSnapshotReply(actorContext.getTermInformation().getCurrentTerm(), FOLLOWER_ID, installSnapshot.getChunkIndex(), true));
    installSnapshot = MessageCollectorActor.expectFirstMatching(followerActor, InstallSnapshot.class);
    // Send snapshot reply one more time and make sure that a new snapshot message should not be sent to follower
    followerActor.underlyingActor().clear();
    leader.handleMessage(followerActor, new InstallSnapshotReply(actorContext.getTermInformation().getCurrentTerm(), FOLLOWER_ID, installSnapshot.getChunkIndex(), true));
    installSnapshot = MessageCollectorActor.getFirstMatching(followerActor, InstallSnapshot.class);
    assertNull(installSnapshot);
}

Example 9 with DefaultConfigParamsImpl

use of org.opendaylight.controller.cluster.raft.DefaultConfigParamsImpl in project controller by opendaylight.

the class LeaderTest method testFollowerCatchUpWithAppendEntriesMaxDataSizeExceeded.

@Test
public void testFollowerCatchUpWithAppendEntriesMaxDataSizeExceeded() {
    logStart("testFollowerCatchUpWithAppendEntriesMaxDataSizeExceeded");
    MockRaftActorContext leaderActorContext = createActorContextWithFollower();
    ((DefaultConfigParamsImpl) leaderActorContext.getConfigParams()).setHeartBeatInterval(new FiniteDuration(1000, TimeUnit.SECONDS));
    ((DefaultConfigParamsImpl) leaderActorContext.getConfigParams()).setSnapshotChunkSize(2);
    leaderActorContext.setReplicatedLog(new MockRaftActorContext.MockReplicatedLogBuilder().createEntries(0, 4, 1).build());
    long leaderCommitIndex = 3;
    leaderActorContext.setCommitIndex(leaderCommitIndex);
    leaderActorContext.setLastApplied(leaderCommitIndex);
    final ReplicatedLogEntry leadersFirstLogEntry = leaderActorContext.getReplicatedLog().get(0);
    final ReplicatedLogEntry leadersSecondLogEntry = leaderActorContext.getReplicatedLog().get(1);
    final ReplicatedLogEntry leadersThirdLogEntry = leaderActorContext.getReplicatedLog().get(2);
    final ReplicatedLogEntry leadersFourthLogEntry = leaderActorContext.getReplicatedLog().get(3);
    MockRaftActorContext followerActorContext = createFollowerActorContextWithLeader();
    followerActorContext.setReplicatedLog(new MockRaftActorContext.MockReplicatedLogBuilder().build());
    followerActorContext.setCommitIndex(-1);
    followerActorContext.setLastApplied(-1);
    Follower follower = new Follower(followerActorContext);
    followerActor.underlyingActor().setBehavior(follower);
    followerActorContext.setCurrentBehavior(follower);
    leader = new Leader(leaderActorContext);
    AppendEntries appendEntries = MessageCollectorActor.expectFirstMatching(followerActor, AppendEntries.class);
    final AppendEntriesReply appendEntriesReply = MessageCollectorActor.expectFirstMatching(leaderActor, AppendEntriesReply.class);
    MessageCollectorActor.clearMessages(followerActor);
    MessageCollectorActor.clearMessages(leaderActor);
    // Verify initial AppendEntries sent with the leader's current commit index.
    assertEquals("getLeaderCommit", -1, appendEntries.getLeaderCommit());
    assertEquals("Log entries size", 0, appendEntries.getEntries().size());
    assertEquals("getPrevLogIndex", 2, appendEntries.getPrevLogIndex());
    leaderActor.underlyingActor().setBehavior(leader);
    leaderActorContext.setCurrentBehavior(leader);
    leader.handleMessage(followerActor, appendEntriesReply);
    List<AppendEntries> appendEntriesList = MessageCollectorActor.expectMatching(followerActor, AppendEntries.class, 2);
    MessageCollectorActor.expectMatching(leaderActor, AppendEntriesReply.class, 2);
    appendEntries = appendEntriesList.get(0);
    assertEquals("getLeaderCommit", leaderCommitIndex, appendEntries.getLeaderCommit());
    assertEquals("getPrevLogIndex", -1, appendEntries.getPrevLogIndex());
    assertEquals("Log entries size", 2, appendEntries.getEntries().size());
    assertEquals("First entry index", 0, appendEntries.getEntries().get(0).getIndex());
    assertEquals("First entry data", leadersFirstLogEntry.getData(), appendEntries.getEntries().get(0).getData());
    assertEquals("Second entry index", 1, appendEntries.getEntries().get(1).getIndex());
    assertEquals("Second entry data", leadersSecondLogEntry.getData(), appendEntries.getEntries().get(1).getData());
    appendEntries = appendEntriesList.get(1);
    assertEquals("getLeaderCommit", leaderCommitIndex, appendEntries.getLeaderCommit());
    assertEquals("getPrevLogIndex", 1, appendEntries.getPrevLogIndex());
    assertEquals("Log entries size", 2, appendEntries.getEntries().size());
    assertEquals("First entry index", 2, appendEntries.getEntries().get(0).getIndex());
    assertEquals("First entry data", leadersThirdLogEntry.getData(), appendEntries.getEntries().get(0).getData());
    assertEquals("Second entry index", 3, appendEntries.getEntries().get(1).getIndex());
    assertEquals("Second entry data", leadersFourthLogEntry.getData(), appendEntries.getEntries().get(1).getData());
    FollowerLogInformation followerInfo = leader.getFollower(FOLLOWER_ID);
    assertEquals("getNextIndex", 4, followerInfo.getNextIndex());
    MessageCollectorActor.expectMatching(followerActor, ApplyState.class, 4);
    assertEquals("Follower's commit index", 3, followerActorContext.getCommitIndex());
    assertEquals("Follower's lastIndex", 3, followerActorContext.getReplicatedLog().lastIndex());
}

Example 10 with DefaultConfigParamsImpl

use of org.opendaylight.controller.cluster.raft.DefaultConfigParamsImpl in project controller by opendaylight.

the class LeaderTest method testMultipleReplicateShouldNotCauseDuplicateAppendEntriesToBeSent.

@Test
public void testMultipleReplicateShouldNotCauseDuplicateAppendEntriesToBeSent() throws Exception {
    logStart("testHandleReplicateMessageSendAppendEntriesToFollower");
    MockRaftActorContext actorContext = createActorContextWithFollower();
    actorContext.setConfigParams(new DefaultConfigParamsImpl() {

        @Override
        public FiniteDuration getHeartBeatInterval() {
            return FiniteDuration.apply(5, TimeUnit.SECONDS);
        }
    });
    long term = 1;
    actorContext.getTermInformation().update(term, "");
    leader = new Leader(actorContext);
    // Leader will send an immediate heartbeat - ignore it.
    MessageCollectorActor.expectFirstMatching(followerActor, AppendEntries.class);
    // The follower would normally reply - simulate that explicitly here.
    long lastIndex = actorContext.getReplicatedLog().lastIndex();
    leader.handleMessage(followerActor, new AppendEntriesReply(FOLLOWER_ID, term, true, lastIndex, term, (short) 0));
    assertEquals("isFollowerActive", true, leader.getFollower(FOLLOWER_ID).isFollowerActive());
    followerActor.underlyingActor().clear();
    for (int i = 0; i < 5; i++) {
        sendReplicate(actorContext, lastIndex + i + 1);
    }
    List<AppendEntries> allMessages = MessageCollectorActor.getAllMatching(followerActor, AppendEntries.class);
    // We expect only 1 message to be sent because of two reasons,
    // - an append entries reply was not received
    // - the heartbeat interval has not expired
    // In this scenario if multiple messages are sent they would likely be duplicates
    assertEquals("The number of append entries collected should be 1", 1, allMessages.size());
}