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

Example 6 with RequestVote

use of org.opendaylight.controller.cluster.raft.messages.RequestVote in project controller by opendaylight.

the class RaftActorServerConfigurationSupportTest method testChangeToVotingWithNoLeaderAndElectionTimeout.

@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);
    ActorRef node1Collector = actorFactory.createActor(MessageCollectorActor.props(), 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);
    ActorRef node2Collector = actorFactory.createActor(MessageCollectorActor.props(), 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(testKit.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");
}

Example 7 with RequestVote

use of org.opendaylight.controller.cluster.raft.messages.RequestVote in project controller by opendaylight.

the class AbstractRaftActorBehaviorTest method testHandleRequestVoteWhenSenderTermLessThanCurrentTerm.

/**
 * This test verifies that the receiving RaftActor will not grant a vote
 * to a sender if the sender's term is lesser than the currentTerm of the
 * recipient RaftActor.
 */
@Test
public void testHandleRequestVoteWhenSenderTermLessThanCurrentTerm() {
    MockRaftActorContext context = createActorContext();
    context.getTermInformation().update(1000, null);
    behavior = createBehavior(context);
    behavior.handleMessage(behaviorActor, new RequestVote(999, "test", 10000, 999));
    RequestVoteReply reply = MessageCollectorActor.expectFirstMatching(behaviorActor, RequestVoteReply.class);
    assertEquals("isVoteGranted", false, reply.isVoteGranted());
}

Example 8 with RequestVote

use of org.opendaylight.controller.cluster.raft.messages.RequestVote in project controller by opendaylight.

the class AbstractRaftActorBehaviorTest method testHandleRequestVoteWhenSenderLogLessUptoDate.

/**
 * This test verifies that when a RaftActor receives a RequestVote message
 * with a term that is greater than it's currentTerm but a less up-to-date
 * log then the receiving RaftActor will not grant the vote to the sender.
 */
@Test
public void testHandleRequestVoteWhenSenderLogLessUptoDate() {
    MockRaftActorContext context = createActorContext();
    behavior = createBehavior(context);
    context.getTermInformation().update(1, "test");
    int index = 2000;
    setLastLogEntry(context, context.getTermInformation().getCurrentTerm(), index, new MockRaftActorContext.MockPayload(""));
    behavior.handleMessage(behaviorActor, new RequestVote(context.getTermInformation().getCurrentTerm(), "test", index - 1, context.getTermInformation().getCurrentTerm()));
    RequestVoteReply reply = MessageCollectorActor.expectFirstMatching(behaviorActor, RequestVoteReply.class);
    assertEquals("isVoteGranted", false, reply.isVoteGranted());
}

Example 9 with RequestVote

use of org.opendaylight.controller.cluster.raft.messages.RequestVote in project controller by opendaylight.

the class CandidateTest method testHandleRequestVoteWhenSenderTermEqualToCurrentTermAndVotedForDoesNotMatch.

@Test
public void testHandleRequestVoteWhenSenderTermEqualToCurrentTermAndVotedForDoesNotMatch() {
    MockRaftActorContext context = createActorContext();
    context.getTermInformation().update(1000, null);
    // Once a candidate is created it will immediately increment the current term so after
    // construction the currentTerm should be 1001
    candidate = new Candidate(context);
    setupPeers(1);
    // RequestVote candidate ID ("candidate2") does not match this candidate's votedFor
    // (it votes for itself)
    candidate.handleMessage(peerActors[0], new RequestVote(1001, "candidate2", 10000, 999));
    RequestVoteReply reply = MessageCollectorActor.expectFirstMatching(peerActors[0], RequestVoteReply.class);
    assertEquals("isVoteGranted", false, reply.isVoteGranted());
    assertEquals("getTerm", 1001, reply.getTerm());
}

Example 10 with RequestVote

use of org.opendaylight.controller.cluster.raft.messages.RequestVote in project controller by opendaylight.

the class FollowerTest method testHandleRequestVoteWhenSenderTermEqualToCurrentTermAndVotedForIsNull.

@Test
public void testHandleRequestVoteWhenSenderTermEqualToCurrentTermAndVotedForIsNull() {
    logStart("testHandleRequestVoteWhenSenderTermEqualToCurrentTermAndVotedForIsNull");
    MockRaftActorContext context = createActorContext();
    long term = 1000;
    context.getTermInformation().update(term, null);
    follower = createBehavior(context);
    follower.handleMessage(leaderActor, new RequestVote(term, "test", 10000, 999));
    RequestVoteReply reply = MessageCollectorActor.expectFirstMatching(leaderActor, RequestVoteReply.class);
    assertEquals("isVoteGranted", true, reply.isVoteGranted());
    assertEquals("getTerm", term, reply.getTerm());
    verify(follower).scheduleElection(any(FiniteDuration.class));
}