package org.opendaylight.controller.cluster.raft.behaviors;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertTrue;
import akka.actor.ActorRef;
import akka.actor.PoisonPill;
import akka.actor.Props;
import akka.actor.Terminated;
import akka.testkit.JavaTestKit;
+import akka.testkit.TestActorRef;
import com.google.common.base.Optional;
import com.google.common.util.concurrent.Uninterruptibles;
import com.google.protobuf.ByteString;
import org.opendaylight.controller.protobuff.messages.cluster.raft.AppendEntriesMessages;
import org.opendaylight.controller.protobuff.messages.cluster.raft.InstallSnapshotMessages;
import scala.concurrent.duration.FiniteDuration;
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertNotNull;
-import static org.junit.Assert.assertTrue;
public class LeaderTest extends AbstractRaftActorBehaviorTest {
}};
}
-
@Test
public void testThatLeaderSendsAHeartbeatMessageToAllFollowers() {
new JavaTestKit(getSystem()) {{
Map<String, String> peerAddresses = new HashMap<>();
peerAddresses.put(followerActor.path().toString(),
- followerActor.path().toString());
+ followerActor.path().toString());
actorContext.setPeerAddresses(peerAddresses);
assertTrue(raftBehavior instanceof Leader);
- assertEquals(leader.mapFollowerToSnapshot.size(), 0);
- assertEquals(leader.followerToLog.size(), 1);
- assertNotNull(leader.followerToLog.get(followerActor.path().toString()));
- FollowerLogInformation fli = leader.followerToLog.get(followerActor.path().toString());
+ assertEquals(0, leader.followerSnapshotSize());
+ assertEquals(1, leader.followerLogSize());
+ assertNotNull(leader.getFollower(followerActor.path().toString()));
+ FollowerLogInformation fli = leader.getFollower(followerActor.path().toString());
assertEquals(snapshotIndex, fli.getMatchIndex().get());
assertEquals(snapshotIndex, fli.getMatchIndex().get());
assertEquals(snapshotIndex + 1, fli.getNextIndex().get());
}};
}
+ @Test
+ public void testHandleInstallSnapshotReplyWithInvalidChunkIndex() throws Exception {
+ new JavaTestKit(getSystem()) {{
+
+ TestActorRef<MessageCollectorActor> followerActor =
+ TestActorRef.create(getSystem(), Props.create(MessageCollectorActor.class), "follower");
+
+ Map<String, String> peerAddresses = new HashMap<>();
+ peerAddresses.put(followerActor.path().toString(),
+ followerActor.path().toString());
+
+ final int followersLastIndex = 2;
+ final int snapshotIndex = 3;
+ final int snapshotTerm = 1;
+ final int currentTerm = 2;
+
+ MockRaftActorContext actorContext =
+ (MockRaftActorContext) createActorContext();
+
+ actorContext.setConfigParams(new DefaultConfigParamsImpl(){
+ @Override
+ public int getSnapshotChunkSize() {
+ return 50;
+ }
+ });
+ actorContext.setPeerAddresses(peerAddresses);
+ actorContext.setCommitIndex(followersLastIndex);
+
+ MockLeader leader = new MockLeader(actorContext);
+
+ 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);
+ leader.setSnapshot(Optional.of(bs));
+
+ leader.handleMessage(leaderActor, new SendInstallSnapshot(bs));
+
+ Object o = MessageCollectorActor.getAllMessages(followerActor).get(0);
+
+ assertTrue(o instanceof InstallSnapshotMessages.InstallSnapshot);
+
+ InstallSnapshotMessages.InstallSnapshot installSnapshot = (InstallSnapshotMessages.InstallSnapshot) o;
+
+ assertEquals(1, installSnapshot.getChunkIndex());
+ assertEquals(3, installSnapshot.getTotalChunks());
+
+
+ leader.handleMessage(followerActor, new InstallSnapshotReply(actorContext.getTermInformation().getCurrentTerm(), followerActor.path().toString(), -1, false));
+
+ leader.handleMessage(leaderActor, new SendHeartBeat());
+
+ o = MessageCollectorActor.getAllMessages(followerActor).get(1);
+
+ assertTrue(o instanceof InstallSnapshotMessages.InstallSnapshot);
+
+ installSnapshot = (InstallSnapshotMessages.InstallSnapshot) o;
+
+ assertEquals(1, installSnapshot.getChunkIndex());
+ assertEquals(3, installSnapshot.getTotalChunks());
+
+ followerActor.tell(PoisonPill.getInstance(), getRef());
+ }};
+ }
+
+ @Test
+ public void testHandleSnapshotSendsPreviousChunksHashCodeWhenSendingNextChunk() throws Exception {
+ new JavaTestKit(getSystem()) {
+ {
+
+ TestActorRef<MessageCollectorActor> followerActor =
+ TestActorRef.create(getSystem(), Props.create(MessageCollectorActor.class), "follower");
+
+ Map<String, String> peerAddresses = new HashMap<>();
+ peerAddresses.put(followerActor.path().toString(),
+ followerActor.path().toString());
+
+ final int followersLastIndex = 2;
+ final int snapshotIndex = 3;
+ final int snapshotTerm = 1;
+ final int currentTerm = 2;
+
+ MockRaftActorContext actorContext =
+ (MockRaftActorContext) createActorContext();
+
+ actorContext.setConfigParams(new DefaultConfigParamsImpl() {
+ @Override
+ public int getSnapshotChunkSize() {
+ return 50;
+ }
+ });
+ actorContext.setPeerAddresses(peerAddresses);
+ actorContext.setCommitIndex(followersLastIndex);
+
+ MockLeader leader = new MockLeader(actorContext);
+
+ 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);
+ leader.setSnapshot(Optional.of(bs));
+
+ leader.handleMessage(leaderActor, new SendInstallSnapshot(bs));
+
+ Object o = MessageCollectorActor.getAllMessages(followerActor).get(0);
+
+ assertTrue(o instanceof InstallSnapshotMessages.InstallSnapshot);
+
+ InstallSnapshotMessages.InstallSnapshot installSnapshot = (InstallSnapshotMessages.InstallSnapshot) o;
+
+ assertEquals(1, installSnapshot.getChunkIndex());
+ assertEquals(3, installSnapshot.getTotalChunks());
+ assertEquals(AbstractLeader.INITIAL_LAST_CHUNK_HASH_CODE, installSnapshot.getLastChunkHashCode());
+
+ int hashCode = installSnapshot.getData().hashCode();
+
+ leader.handleMessage(followerActor, new InstallSnapshotReply(installSnapshot.getTerm(),followerActor.path().toString(),1,true ));
+
+ leader.handleMessage(leaderActor, new SendHeartBeat());
+
+ Uninterruptibles.sleepUninterruptibly(100, TimeUnit.MILLISECONDS);
+
+ o = MessageCollectorActor.getAllMessages(followerActor).get(1);
+
+ assertTrue(o instanceof InstallSnapshotMessages.InstallSnapshot);
+
+ installSnapshot = (InstallSnapshotMessages.InstallSnapshot) o;
+
+ assertEquals(2, installSnapshot.getChunkIndex());
+ assertEquals(3, installSnapshot.getTotalChunks());
+ assertEquals(hashCode, installSnapshot.getLastChunkHashCode());
+
+ followerActor.tell(PoisonPill.getInstance(), getRef());
+ }};
+ }
+
@Test
public void testFollowerToSnapshotLogic() {
final Terminated termMsg1 = probe.expectMsgClass(Terminated.class);
assertEquals(termMsg1.getActor(), followerActor1);
- //sleep enough for all the follower stopwatches to lapse
- Uninterruptibles.sleepUninterruptibly(leaderActorContext.getConfigParams().
- getElectionTimeOutInterval().toMillis(), TimeUnit.MILLISECONDS);
-
+ leader.markFollowerInActive("follower-1");
leader.markFollowerActive("follower-2");
behavior = leader.handleMessage(leaderActor, new IsolatedLeaderCheck());
Assert.assertTrue("Behavior not instance of Leader when majority of followers are active",
final Terminated termMsg2 = probe.expectMsgClass(Terminated.class);
assertEquals(termMsg2.getActor(), followerActor2);
- //sleep enough for the remaining the follower stopwatches to lapse
- Uninterruptibles.sleepUninterruptibly(leaderActorContext.getConfigParams().
- getElectionTimeOutInterval().toMillis(), TimeUnit.MILLISECONDS);
-
+ leader.markFollowerInActive("follower-2");
behavior = leader.handleMessage(leaderActor, new IsolatedLeaderCheck());
Assert.assertTrue("Behavior not instance of IsolatedLeader when majority followers are inactive",
behavior instanceof IsolatedLeader);
public void createFollowerToSnapshot(String followerId, ByteString bs ) {
fts = new FollowerToSnapshot(bs);
- mapFollowerToSnapshot.put(followerId, fts);
-
+ setFollowerSnapshot(followerId, fts);
}
}