package org.opendaylight.controller.cluster.raft;
import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertTrue;
import static org.opendaylight.controller.cluster.raft.utils.MessageCollectorActor.assertNoneMatching;
import static org.opendaylight.controller.cluster.raft.utils.MessageCollectorActor.clearMessages;
import static org.opendaylight.controller.cluster.raft.utils.MessageCollectorActor.expectFirstMatching;
import org.opendaylight.controller.cluster.raft.behaviors.AbstractLeader;
import org.opendaylight.controller.cluster.raft.behaviors.Follower;
import org.opendaylight.controller.cluster.raft.behaviors.Leader;
+import org.opendaylight.controller.cluster.raft.behaviors.RaftActorBehavior;
import org.opendaylight.controller.cluster.raft.messages.AddServer;
import org.opendaylight.controller.cluster.raft.messages.AddServerReply;
import org.opendaylight.controller.cluster.raft.messages.AppendEntries;
AddServerReply addServerReply = testKit.expectMsgClass(JavaTestKit.duration("5 seconds"), AddServerReply.class);
assertEquals("getStatus", ServerChangeStatus.OK, addServerReply.getStatus());
- assertEquals("getLeaderHint", LEADER_ID, addServerReply.getLeaderHint());
+ assertEquals("getLeaderHint", LEADER_ID, addServerReply.getLeaderHint().get());
// Verify ServerConfigurationPayload entry in leader's log
AddServerReply addServerReply = testKit.expectMsgClass(JavaTestKit.duration("5 seconds"), AddServerReply.class);
assertEquals("getStatus", ServerChangeStatus.OK, addServerReply.getStatus());
- assertEquals("getLeaderHint", LEADER_ID, addServerReply.getLeaderHint());
+ assertEquals("getLeaderHint", LEADER_ID, addServerReply.getLeaderHint().get());
// Verify ServerConfigurationPayload entry in leader's log
AddServerReply addServerReply = testKit.expectMsgClass(JavaTestKit.duration("5 seconds"), AddServerReply.class);
assertEquals("getStatus", ServerChangeStatus.OK, addServerReply.getStatus());
- assertEquals("getLeaderHint", LEADER_ID, addServerReply.getLeaderHint());
+ assertEquals("getLeaderHint", LEADER_ID, addServerReply.getLeaderHint().get());
// Verify ServerConfigurationPayload entry in leader's log
addServerReply = testKit.expectMsgClass(JavaTestKit.duration("5 seconds"), AddServerReply.class);
assertEquals("getStatus", ServerChangeStatus.OK, addServerReply.getStatus());
- assertEquals("getLeaderHint", LEADER_ID, addServerReply.getLeaderHint());
+ assertEquals("getLeaderHint", java.util.Optional.of(LEADER_ID), addServerReply.getLeaderHint());
expectFirstMatching(leaderCollectorActor, ApplyState.class);
assertEquals("Leader journal last index", 1, leaderActorContext.getReplicatedLog().lastIndex());
AddServerReply addServerReply = testKit.expectMsgClass(JavaTestKit.duration("5 seconds"), AddServerReply.class);
assertEquals("getStatus", ServerChangeStatus.OK, addServerReply.getStatus());
- assertEquals("getLeaderHint", LEADER_ID, addServerReply.getLeaderHint());
+ assertEquals("getLeaderHint", LEADER_ID, addServerReply.getLeaderHint().get());
expectFirstMatching(newFollowerCollectorActor, ApplySnapshot.class);
// The first AddServer should succeed with OK even though consensus wasn't reached
AddServerReply addServerReply = testKit.expectMsgClass(JavaTestKit.duration("5 seconds"), AddServerReply.class);
assertEquals("getStatus", ServerChangeStatus.OK, addServerReply.getStatus());
- assertEquals("getLeaderHint", LEADER_ID, addServerReply.getLeaderHint());
+ assertEquals("getLeaderHint", LEADER_ID, addServerReply.getLeaderHint().get());
// Verify ServerConfigurationPayload entry in leader's log
verifyServerConfigurationPayloadEntry(leaderActorContext.getReplicatedLog(), votingServer(LEADER_ID),
assertEquals("getStatus", ServerChangeStatus.DOES_NOT_EXIST, removeServerReply.getStatus());
}
- @Test
- public void testRemoveServerSelf() {
- RaftActorContext initialActorContext = new MockRaftActorContext();
-
- TestActorRef<MockLeaderRaftActor> leaderActor = actorFactory.createTestActor(
- MockLeaderRaftActor.props(ImmutableMap.of(FOLLOWER_ID, followerActor.path().toString()),
- initialActorContext).withDispatcher(Dispatchers.DefaultDispatcherId()),
- actorFactory.generateActorId(LEADER_ID));
-
- leaderActor.tell(new RemoveServer(LEADER_ID), testKit.getRef());
- RemoveServerReply removeServerReply = testKit.expectMsgClass(JavaTestKit.duration("5 seconds"), RemoveServerReply.class);
- assertEquals("getStatus", ServerChangeStatus.NOT_SUPPORTED, removeServerReply.getStatus());
- }
-
@Test
public void testRemoveServerForwardToLeader() {
DefaultConfigParamsImpl configParams = new DefaultConfigParamsImpl();
configParams.setHeartBeatInterval(new FiniteDuration(1, TimeUnit.DAYS));
- configParams.setCustomRaftPolicyImplementationClass(DisableElectionsRaftPolicy.class.getName());
-
- RaftActorContext initialActorContext = new MockRaftActorContext();
- TestActorRef<MockLeaderRaftActor> leaderActor = actorFactory.createTestActor(
- MockLeaderRaftActor.props(ImmutableMap.<String, String>of(),
- initialActorContext).withDispatcher(Dispatchers.DefaultDispatcherId()),
+ TestActorRef<MessageCollectorActor> leaderActor = actorFactory.createTestActor(
+ MessageCollectorActor.props().withDispatcher(Dispatchers.DefaultDispatcherId()),
actorFactory.generateActorId(LEADER_ID));
TestActorRef<MockRaftActor> followerRaftActor = actorFactory.createTestActor(
MockRaftActor.props(FOLLOWER_ID, ImmutableMap.of(LEADER_ID, leaderActor.path().toString()),
configParams, NO_PERSISTENCE).withDispatcher(Dispatchers.DefaultDispatcherId()),
actorFactory.generateActorId(FOLLOWER_ID));
-
+ followerRaftActor.underlyingActor().waitForInitializeBehaviorComplete();
followerRaftActor.tell(new AppendEntries(1, LEADER_ID, 0, 1, Collections.<ReplicatedLogEntry>emptyList(),
- -1, -1, (short) 0), leaderActor);
+ -1, -1, (short)0), leaderActor);
- followerRaftActor.tell(new RemoveServer(LEADER_ID), testKit.getRef());
- RemoveServerReply removeServerReply = testKit.expectMsgClass(JavaTestKit.duration("5 seconds"), RemoveServerReply.class);
- assertEquals("getStatus", ServerChangeStatus.NOT_SUPPORTED, removeServerReply.getStatus());
+ followerRaftActor.tell(new RemoveServer(FOLLOWER_ID), testKit.getRef());
+ expectFirstMatching(leaderActor, RemoveServer.class);
}
@Test
leaderActor.tell(new RemoveServer(FOLLOWER_ID), testKit.getRef());
RemoveServerReply removeServerReply = testKit.expectMsgClass(JavaTestKit.duration("5 seconds"), RemoveServerReply.class);
-
assertEquals("getStatus", ServerChangeStatus.OK, removeServerReply.getStatus());
final ApplyState applyState = MessageCollectorActor.expectFirstMatching(leaderCollector, ApplyState.class);
assertEquals(0L, applyState.getReplicatedLogEntry().getIndex());
verifyServerConfigurationPayloadEntry(leaderActor.underlyingActor().getRaftActorContext().getReplicatedLog(), votingServer(LEADER_ID));
+ RaftActorBehavior currentBehavior = leaderActor.underlyingActor().getCurrentBehavior();
+ assertTrue("Expected Leader", currentBehavior instanceof Leader);
+ assertEquals("Follower ids size", 0, ((Leader)currentBehavior).getFollowerIds().size());
+
MessageCollectorActor.expectFirstMatching(collector, ServerRemoved.class);
}
- private ServerInfo votingServer(String id) {
+ @Test
+ public void testRemoveServerLeader() {
+ DefaultConfigParamsImpl configParams = new DefaultConfigParamsImpl();
+ configParams.setHeartBeatInterval(new FiniteDuration(1, TimeUnit.DAYS));
+ configParams.setCustomRaftPolicyImplementationClass(DisableElectionsRaftPolicy.class.getName());
+
+ final String followerActorId = actorFactory.generateActorId(FOLLOWER_ID);
+ final String followerActorPath = actorFactory.createTestActorPath(followerActorId);
+ RaftActorContext initialActorContext = new MockRaftActorContext();
+
+ TestActorRef<MockLeaderRaftActor> leaderActor = actorFactory.createTestActor(
+ MockLeaderRaftActor.props(ImmutableMap.of(FOLLOWER_ID, followerActorPath),
+ initialActorContext).withDispatcher(Dispatchers.DefaultDispatcherId()),
+ actorFactory.generateActorId(LEADER_ID));
+
+ TestActorRef<MessageCollectorActor> leaderCollector = newLeaderCollectorActor(leaderActor.underlyingActor());
+
+ TestActorRef<CollectingMockRaftActor> followerRaftActor = actorFactory.createTestActor(
+ CollectingMockRaftActor.props(FOLLOWER_ID, ImmutableMap.of(LEADER_ID, leaderActor.path().toString()),
+ configParams, NO_PERSISTENCE).withDispatcher(Dispatchers.DefaultDispatcherId()),
+ followerActorId);
+
+ TestActorRef<MessageCollectorActor> followerCollector = actorFactory.createTestActor(MessageCollectorActor.props().
+ withDispatcher(Dispatchers.DefaultDispatcherId()), actorFactory.generateActorId("collector"));
+ followerRaftActor.underlyingActor().setCollectorActor(followerCollector);
+
+ leaderActor.tell(new RemoveServer(LEADER_ID), testKit.getRef());
+ RemoveServerReply removeServerReply = testKit.expectMsgClass(JavaTestKit.duration("5 seconds"), RemoveServerReply.class);
+ assertEquals("getStatus", ServerChangeStatus.OK, removeServerReply.getStatus());
+
+ final ApplyState applyState = MessageCollectorActor.expectFirstMatching(followerCollector, ApplyState.class);
+ assertEquals(0L, applyState.getReplicatedLogEntry().getIndex());
+ verifyServerConfigurationPayloadEntry(leaderActor.underlyingActor().getRaftActorContext().getReplicatedLog(),
+ votingServer(FOLLOWER_ID));
+
+ MessageCollectorActor.expectFirstMatching(leaderCollector, ServerRemoved.class);
+ }
+
+ @Test
+ public void testRemoveServerLeaderWithNoFollowers() {
+ TestActorRef<MockLeaderRaftActor> leaderActor = actorFactory.createTestActor(
+ MockLeaderRaftActor.props(Collections.<String, String>emptyMap(),
+ new MockRaftActorContext()).withDispatcher(Dispatchers.DefaultDispatcherId()),
+ actorFactory.generateActorId(LEADER_ID));
+
+ leaderActor.tell(new RemoveServer(LEADER_ID), testKit.getRef());
+ RemoveServerReply removeServerReply = testKit.expectMsgClass(JavaTestKit.duration("5 seconds"), RemoveServerReply.class);
+ assertEquals("getStatus", ServerChangeStatus.NOT_SUPPORTED, removeServerReply.getStatus());
+ }
+
+ private static ServerInfo votingServer(String id) {
return new ServerInfo(id, true);
}
- private ServerInfo nonVotingServer(String id) {
+ private static ServerInfo nonVotingServer(String id) {
return new ServerInfo(id, false);
}