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

Example 1 with RaftState

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

the class AbstractLeaderElectionScenarioTest method verifyBehaviorState.

@SuppressWarnings("checkstyle:IllegalCatch")
void verifyBehaviorState(final String name, final MemberActor actor, final RaftState expState) {
    RaftState actualState;
    try {
        actualState = (RaftState) Await.result(Patterns.ask(actor.self(), GetBehaviorState.INSTANCE, Timeout.apply(5, TimeUnit.SECONDS)), Duration.apply(5, TimeUnit.SECONDS));
    } catch (RuntimeException e) {
        throw e;
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
    assertEquals(name + " behavior state", expState, actualState);
}

Example 2 with RaftState

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

the class AbstractRaftActorBehaviorTest method testHandleAppendEntriesAddSameEntryToLog.

@Test
public void testHandleAppendEntriesAddSameEntryToLog() {
    MockRaftActorContext context = createActorContext();
    context.getTermInformation().update(2, "test");
    // Prepare the receivers log
    MockRaftActorContext.MockPayload payload = new MockRaftActorContext.MockPayload("zero");
    setLastLogEntry(context, 2, 0, payload);
    List<ReplicatedLogEntry> entries = new ArrayList<>();
    entries.add(new SimpleReplicatedLogEntry(0, 2, payload));
    final AppendEntries appendEntries = new AppendEntries(2, "leader-1", -1, -1, entries, 2, -1, (short) 0);
    behavior = createBehavior(context);
    assertFalse("This test should be overridden when testing Candidate", behavior instanceof Candidate);
    RaftState expected = behavior.state();
    // Check that the behavior does not handle unknwon message
    assertNull(behavior.handleMessage(behaviorActor, "unknown"));
    RaftActorBehavior raftBehavior = behavior.handleMessage(behaviorActor, appendEntries);
    assertEquals("Raft state", expected, raftBehavior.state());
    assertEquals("ReplicatedLog size", 1, context.getReplicatedLog().size());
    handleAppendEntriesAddSameEntryToLogReply(behaviorActor);
}

Example 3 with RaftState

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

the class AbstractRaftActorBehaviorTest method testHandleAppendEntriesSenderTermLessThanReceiverTerm.

/**
 * This test verifies that when an AppendEntries is received with a term that
 * is less that the currentTerm of the RaftActor then the RaftActor does not
 * change it's state and it responds back with a failure.
 */
@Test
public void testHandleAppendEntriesSenderTermLessThanReceiverTerm() {
    MockRaftActorContext context = createActorContext();
    short payloadVersion = 5;
    context.setPayloadVersion(payloadVersion);
    // First set the receivers term to a high number (1000)
    context.getTermInformation().update(1000, "test");
    AppendEntries appendEntries = new AppendEntries(100, "leader-1", 0, 0, Collections.emptyList(), 101, -1, (short) 4);
    behavior = createBehavior(context);
    RaftState expected = behavior.state();
    RaftActorBehavior raftBehavior = behavior.handleMessage(behaviorActor, appendEntries);
    assertEquals("Raft state", expected, raftBehavior.state());
    // Also expect an AppendEntriesReply to be sent where success is false
    AppendEntriesReply reply = MessageCollectorActor.expectFirstMatching(behaviorActor, AppendEntriesReply.class);
    assertEquals("isSuccess", false, reply.isSuccess());
    assertEquals("getPayloadVersion", payloadVersion, reply.getPayloadVersion());
}

Example 4 with RaftState

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

the class ClusterAdminRpcServiceTest method testAddShardReplica.

@Test
public void testAddShardReplica() throws Exception {
    String name = "testAddShardReplica";
    String moduleShardsConfig = "module-shards-cars-member-1.conf";
    MemberNode leaderNode1 = MemberNode.builder(memberNodes).akkaConfig("Member1").testName(name).moduleShardsConfig(moduleShardsConfig).waitForShardLeader("cars").build();
    MemberNode newReplicaNode2 = MemberNode.builder(memberNodes).akkaConfig("Member2").testName(name).moduleShardsConfig(moduleShardsConfig).build();
    leaderNode1.waitForMembersUp("member-2");
    doAddShardReplica(newReplicaNode2, "cars", "member-1");
    MemberNode newReplicaNode3 = MemberNode.builder(memberNodes).akkaConfig("Member3").testName(name).moduleShardsConfig(moduleShardsConfig).build();
    leaderNode1.waitForMembersUp("member-3");
    newReplicaNode2.waitForMembersUp("member-3");
    doAddShardReplica(newReplicaNode3, "cars", "member-1", "member-2");
    verifyRaftPeersPresent(newReplicaNode2.configDataStore(), "cars", "member-1", "member-3");
    verifyRaftPeersPresent(newReplicaNode2.operDataStore(), "cars", "member-1", "member-3");
    // Write data to member-2's config datastore and read/verify via member-3
    final NormalizedNode<?, ?> configCarsNode = writeCarsNodeAndVerify(newReplicaNode2.configDataStore(), newReplicaNode3.configDataStore());
    // Write data to member-3's oper datastore and read/verify via member-2
    writeCarsNodeAndVerify(newReplicaNode3.operDataStore(), newReplicaNode2.operDataStore());
    // Verify all data has been replicated. We expect 4 log entries and thus last applied index of 3 -
    // 2 ServerConfigurationPayload entries,  the transaction payload entry plus a purge payload.
    RaftStateVerifier verifier = raftState -> {
        assertEquals("Commit index", 3, raftState.getCommitIndex());
        assertEquals("Last applied index", 3, raftState.getLastApplied());
    };
    verifyRaftState(leaderNode1.configDataStore(), "cars", verifier);
    verifyRaftState(leaderNode1.operDataStore(), "cars", verifier);
    verifyRaftState(newReplicaNode2.configDataStore(), "cars", verifier);
    verifyRaftState(newReplicaNode2.operDataStore(), "cars", verifier);
    verifyRaftState(newReplicaNode3.configDataStore(), "cars", verifier);
    verifyRaftState(newReplicaNode3.operDataStore(), "cars", verifier);
    // Restart member-3 and verify the cars config shard is re-instated.
    Cluster.get(leaderNode1.kit().getSystem()).down(Cluster.get(newReplicaNode3.kit().getSystem()).selfAddress());
    newReplicaNode3.cleanup();
    newReplicaNode3 = MemberNode.builder(memberNodes).akkaConfig("Member3").testName(name).moduleShardsConfig(moduleShardsConfig).createOperDatastore(false).build();
    verifyRaftState(newReplicaNode3.configDataStore(), "cars", verifier);
    readCarsNodeAndVerify(newReplicaNode3.configDataStore(), configCarsNode);
}