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

Example 16 with MockRaftActorContext

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

the class LeaderTest method testTransferLeadershipWithEmptyLog.

@Test
public void testTransferLeadershipWithEmptyLog() {
    logStart("testTransferLeadershipWithEmptyLog");
    MockRaftActorContext leaderActorContext = createActorContextWithFollower();
    ((DefaultConfigParamsImpl) leaderActorContext.getConfigParams()).setHeartBeatInterval(new FiniteDuration(1000, TimeUnit.SECONDS));
    leaderActorContext.setReplicatedLog(new MockRaftActorContext.MockReplicatedLogBuilder().build());
    leader = new Leader(leaderActorContext);
    leaderActorContext.setCurrentBehavior(leader);
    // Initial heartbeat
    MessageCollectorActor.expectFirstMatching(followerActor, AppendEntries.class);
    leader.handleMessage(leaderActor, new AppendEntriesReply(FOLLOWER_ID, 1, true, -1, -1, (short) 0));
    MessageCollectorActor.clearMessages(followerActor);
    RaftActorLeadershipTransferCohort mockTransferCohort = mock(RaftActorLeadershipTransferCohort.class);
    doReturn(Optional.absent()).when(mockTransferCohort).getRequestedFollowerId();
    leader.transferLeadership(mockTransferCohort);
    verify(mockTransferCohort, never()).transferComplete();
    MessageCollectorActor.expectFirstMatching(followerActor, AppendEntries.class);
    leader.handleMessage(leaderActor, new AppendEntriesReply(FOLLOWER_ID, 1, true, -1, -1, (short) 0));
    // Expect a final AppendEntries to ensure the follower's lastApplied index is up-to-date
    MessageCollectorActor.expectFirstMatching(followerActor, AppendEntries.class);
    // Leader should force an election timeout
    MessageCollectorActor.expectFirstMatching(followerActor, TimeoutNow.class);
    verify(mockTransferCohort).transferComplete();
}

Example 17 with MockRaftActorContext

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

the class LeaderTest method testHandleInstallSnapshotReplyWithInvalidChunkIndex.

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

        @Override
        public int getSnapshotChunkSize() {
            return 50;
        }
    });
    actorContext.setCommitIndex(commitIndex);
    leader = new Leader(actorContext);
    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);
    Uninterruptibles.sleepUninterruptibly(1, TimeUnit.SECONDS);
    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, -1, false));
    Uninterruptibles.sleepUninterruptibly(actorContext.getConfigParams().getHeartBeatInterval().toMillis(), TimeUnit.MILLISECONDS);
    leader.handleMessage(leaderActor, SendHeartBeat.INSTANCE);
    installSnapshot = MessageCollectorActor.expectFirstMatching(followerActor, InstallSnapshot.class);
    assertEquals(1, installSnapshot.getChunkIndex());
    assertEquals(3, installSnapshot.getTotalChunks());
}

Example 18 with MockRaftActorContext

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

the class LeaderTest method testHeartbeatsAreAlwaysSentIfTheHeartbeatIntervalHasElapsed.

@Test
public void testHeartbeatsAreAlwaysSentIfTheHeartbeatIntervalHasElapsed() throws Exception {
    logStart("testHeartbeatsAreAlwaysSentIfTheHeartbeatIntervalHasElapsed");
    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();
    for (int i = 0; i < 3; i++) {
        Uninterruptibles.sleepUninterruptibly(150, TimeUnit.MILLISECONDS);
        leader.handleMessage(leaderActor, SendHeartBeat.INSTANCE);
    }
    List<AppendEntries> allMessages = MessageCollectorActor.getAllMatching(followerActor, AppendEntries.class);
    assertEquals("The number of append entries collected should be 3", 3, allMessages.size());
}

Example 19 with MockRaftActorContext

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

the class LeaderTest method testSendAppendEntriesOnAnInProgressInstallSnapshot.

@Test
public void testSendAppendEntriesOnAnInProgressInstallSnapshot() throws Exception {
    logStart("testSendAppendEntriesOnAnInProgressInstallSnapshot");
    final MockRaftActorContext actorContext = createActorContextWithFollower();
    Map<String, String> leadersSnapshot = new HashMap<>();
    leadersSnapshot.put("1", "A");
    leadersSnapshot.put("2", "B");
    leadersSnapshot.put("3", "C");
    // clears leaders log
    actorContext.getReplicatedLog().removeFrom(0);
    final int commitIndex = 3;
    final int snapshotIndex = 2;
    final int snapshotTerm = 1;
    // set the snapshot variables in replicatedlog
    actorContext.getReplicatedLog().setSnapshotIndex(snapshotIndex);
    actorContext.getReplicatedLog().setSnapshotTerm(snapshotTerm);
    actorContext.setCommitIndex(commitIndex);
    // set follower timeout to 2 mins, helps during debugging
    actorContext.setConfigParams(new MockConfigParamsImpl(120000L, 10));
    leader = new Leader(actorContext);
    leader.getFollower(FOLLOWER_ID).setMatchIndex(-1);
    leader.getFollower(FOLLOWER_ID).setNextIndex(0);
    // update follower timestamp
    leader.markFollowerActive(FOLLOWER_ID);
    ByteString bs = toByteString(leadersSnapshot);
    leader.setSnapshotHolder(new SnapshotHolder(Snapshot.create(ByteState.of(bs.toByteArray()), Collections.<ReplicatedLogEntry>emptyList(), commitIndex, snapshotTerm, commitIndex, snapshotTerm, -1, null, null), ByteSource.wrap(bs.toByteArray())));
    LeaderInstallSnapshotState fts = new LeaderInstallSnapshotState(actorContext.getConfigParams().getSnapshotChunkSize(), leader.logName());
    fts.setSnapshotBytes(ByteSource.wrap(bs.toByteArray()));
    leader.getFollower(FOLLOWER_ID).setLeaderInstallSnapshotState(fts);
    // send first chunk and no InstallSnapshotReply received yet
    fts.getNextChunk();
    fts.incrementChunkIndex();
    Uninterruptibles.sleepUninterruptibly(actorContext.getConfigParams().getHeartBeatInterval().toMillis(), TimeUnit.MILLISECONDS);
    leader.handleMessage(leaderActor, SendHeartBeat.INSTANCE);
    AppendEntries ae = MessageCollectorActor.expectFirstMatching(followerActor, AppendEntries.class);
    assertTrue("AppendEntries should be sent with empty entries", ae.getEntries().isEmpty());
    // InstallSnapshotReply received
    fts.markSendStatus(true);
    leader.handleMessage(leaderActor, SendHeartBeat.INSTANCE);
    InstallSnapshot is = MessageCollectorActor.expectFirstMatching(followerActor, InstallSnapshot.class);
    assertEquals(commitIndex, is.getLastIncludedIndex());
}

Example 20 with MockRaftActorContext

use of org.opendaylight.controller.cluster.raft.MockRaftActorContext 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;
}