import org.opendaylight.controller.cluster.raft.ReplicatedLogImplEntry;
import org.opendaylight.controller.cluster.raft.SerializationUtils;
import org.opendaylight.controller.cluster.raft.Snapshot;
+import org.opendaylight.controller.cluster.raft.VotingState;
import org.opendaylight.controller.cluster.raft.base.messages.ApplyJournalEntries;
import org.opendaylight.controller.cluster.raft.base.messages.ApplyState;
import org.opendaylight.controller.cluster.raft.base.messages.CaptureSnapshot;
MockRaftActorContext leaderActorContext = createActorContextWithFollower();
((DefaultConfigParamsImpl)leaderActorContext.getConfigParams()).setHeartBeatInterval(
new FiniteDuration(1000, TimeUnit.SECONDS));
- ((DefaultConfigParamsImpl)leaderActorContext.getConfigParams()).setSnaphotChunkSize(2);
+ ((DefaultConfigParamsImpl)leaderActorContext.getConfigParams()).setSnapshotChunkSize(2);
leaderActorContext.setReplicatedLog(
new MockRaftActorContext.MockReplicatedLogBuilder().createEntries(0, 4, 1).build());
}};
}
+ @Test
+ public void testReplicationConsensusWithNonVotingFollower() {
+ logStart("testReplicationConsensusWithNonVotingFollower");
+
+ MockRaftActorContext leaderActorContext = createActorContextWithFollower();
+ ((DefaultConfigParamsImpl)leaderActorContext.getConfigParams()).setHeartBeatInterval(
+ new FiniteDuration(1000, TimeUnit.SECONDS));
+
+ leaderActorContext.setReplicatedLog(new MockRaftActorContext.MockReplicatedLogBuilder().build());
+
+ String nonVotingFollowerId = "nonvoting-follower";
+ TestActorRef<ForwardMessageToBehaviorActor> nonVotingFollowerActor = actorFactory.createTestActor(
+ Props.create(MessageCollectorActor.class), actorFactory.generateActorId(nonVotingFollowerId));
+
+ leaderActorContext.addToPeers(nonVotingFollowerId, nonVotingFollowerActor.path().toString(), VotingState.NON_VOTING);
+
+ leader = new Leader(leaderActorContext);
+
+ // Ignore initial heartbeats
+ MessageCollectorActor.expectFirstMatching(followerActor, AppendEntries.class);
+ MessageCollectorActor.expectFirstMatching(nonVotingFollowerActor, AppendEntries.class);
+
+ MessageCollectorActor.clearMessages(followerActor);
+ MessageCollectorActor.clearMessages(nonVotingFollowerActor);
+ MessageCollectorActor.clearMessages(leaderActor);
+
+ // Send a Replicate message and wait for AppendEntries.
+ sendReplicate(leaderActorContext, 0);
+
+ MessageCollectorActor.expectFirstMatching(followerActor, AppendEntries.class);
+ MessageCollectorActor.expectFirstMatching(nonVotingFollowerActor, AppendEntries.class);
+
+ // Send reply only from the voting follower and verify consensus via ApplyState.
+ leader.handleMessage(leaderActor, new AppendEntriesReply(FOLLOWER_ID, 1, true, 0, 1, (short)0));
+
+ MessageCollectorActor.expectFirstMatching(leaderActor, ApplyState.class);
+
+ leader.handleMessage(leaderActor, new AppendEntriesReply(nonVotingFollowerId, 1, true, 0, 1, (short)0));
+
+ MessageCollectorActor.clearMessages(followerActor);
+ MessageCollectorActor.clearMessages(nonVotingFollowerActor);
+ MessageCollectorActor.clearMessages(leaderActor);
+
+ // Send another Replicate message
+ sendReplicate(leaderActorContext, 1);
+
+ MessageCollectorActor.expectFirstMatching(followerActor, AppendEntries.class);
+ AppendEntries appendEntries = MessageCollectorActor.expectFirstMatching(nonVotingFollowerActor,
+ AppendEntries.class);
+ assertEquals("Log entries size", 1, appendEntries.getEntries().size());
+ assertEquals("Log entry index", 1, appendEntries.getEntries().get(0).getIndex());
+
+ // Send reply only from the non-voting follower and verify no consensus via no ApplyState.
+ leader.handleMessage(leaderActor, new AppendEntriesReply(nonVotingFollowerId, 1, true, 1, 1, (short)0));
+
+ MessageCollectorActor.assertNoneMatching(leaderActor, ApplyState.class, 500);
+
+ // Send reply from the voting follower and verify consensus.
+ leader.handleMessage(leaderActor, new AppendEntriesReply(FOLLOWER_ID, 1, true, 0, 1, (short)0));
+
+ MessageCollectorActor.expectFirstMatching(leaderActor, ApplyState.class);
+ }
+
@Override
protected void assertStateChangesToFollowerWhenRaftRPCHasNewerTerm(RaftActorContext actorContext,
ActorRef actorRef, RaftRPC rpc) throws Exception {