Examples with PrepareConsistentRequest org.apache.cassandra.repair.messages.PrepareConsistentRequest used on opensource projects

Example 6 with PrepareConsistentRequest

use of org.apache.cassandra.repair.messages.PrepareConsistentRequest in project cassandra by apache.

the class LocalSessionTest method isSessionInProgressFailed.

@Test
public void isSessionInProgressFailed() {
    UUID sessionID = registerSession();
    InstrumentedLocalSessions sessions = new InstrumentedLocalSessions();
    sessions.start();
    sessions.prepareSessionFuture = new AsyncPromise<>();
    sessions.handlePrepareMessage(PARTICIPANT1, new PrepareConsistentRequest(sessionID, COORDINATOR, PARTICIPANTS));
    sessions.prepareSessionFuture.trySuccess(null);
    Assert.assertTrue(sessions.isSessionInProgress(sessionID));
    sessions.failSession(sessionID);
    Assert.assertFalse(sessions.isSessionInProgress(sessionID));
}

Example 7 with PrepareConsistentRequest

use of org.apache.cassandra.repair.messages.PrepareConsistentRequest in project cassandra by apache.

the class CoordinatorSessionTest method successCase.

/**
 * Tests the complete coordinator side consistent repair cycle
 */
@Test
public void successCase() {
    InstrumentedCoordinatorSession coordinator = createInstrumentedSession();
    AtomicBoolean repairSubmitted = new AtomicBoolean(false);
    Promise<CoordinatedRepairResult> repairFuture = AsyncPromise.uncancellable();
    Supplier<Future<CoordinatedRepairResult>> sessionSupplier = () -> {
        repairSubmitted.set(true);
        return repairFuture;
    };
    // coordinator sends prepare requests to create local session and perform anticompaction
    Assert.assertFalse(repairSubmitted.get());
    Assert.assertTrue(coordinator.sentMessages.isEmpty());
    Future<CoordinatedRepairResult> sessionResult = coordinator.execute(sessionSupplier);
    for (InetAddressAndPort participant : PARTICIPANTS) {
        RepairMessage expected = new PrepareConsistentRequest(coordinator.sessionID, COORDINATOR, new HashSet<>(PARTICIPANTS));
        assertMessageSent(coordinator, participant, expected);
    }
    // participants respond to coordinator, and repair begins once all participants have responded with success
    Assert.assertEquals(ConsistentSession.State.PREPARING, coordinator.getState());
    coordinator.handlePrepareResponse(PARTICIPANT1, true);
    Assert.assertEquals(ConsistentSession.State.PREPARING, coordinator.getState());
    coordinator.handlePrepareResponse(PARTICIPANT2, true);
    Assert.assertEquals(ConsistentSession.State.PREPARING, coordinator.getState());
    // set the setRepairing callback to verify the correct state when it's called
    Assert.assertFalse(coordinator.setRepairingCalled);
    coordinator.onSetRepairing = () -> Assert.assertEquals(PREPARED, coordinator.getState());
    coordinator.handlePrepareResponse(PARTICIPANT3, true);
    Assert.assertTrue(coordinator.setRepairingCalled);
    Assert.assertTrue(repairSubmitted.get());
    Assert.assertEquals(ConsistentSession.State.REPAIRING, coordinator.getState());
    ArrayList<RepairSessionResult> results = Lists.newArrayList(createResult(coordinator), createResult(coordinator), createResult(coordinator));
    coordinator.sentMessages.clear();
    repairFuture.trySuccess(CoordinatedRepairResult.success(results));
    // propose messages should have been sent once all repair sessions completed successfully
    for (InetAddressAndPort participant : PARTICIPANTS) {
        RepairMessage expected = new FinalizePropose(coordinator.sessionID);
        assertMessageSent(coordinator, participant, expected);
    }
    // finalize commit messages will be sent once all participants respond with a promize to finalize
    coordinator.sentMessages.clear();
    Assert.assertEquals(ConsistentSession.State.REPAIRING, coordinator.getState());
    coordinator.handleFinalizePromise(PARTICIPANT1, true);
    Assert.assertEquals(ConsistentSession.State.REPAIRING, coordinator.getState());
    coordinator.handleFinalizePromise(PARTICIPANT2, true);
    Assert.assertEquals(ConsistentSession.State.REPAIRING, coordinator.getState());
    // set the finalizeCommit callback so we can verify the state when it's called
    Assert.assertFalse(coordinator.finalizeCommitCalled);
    coordinator.onFinalizeCommit = () -> Assert.assertEquals(FINALIZE_PROMISED, coordinator.getState());
    coordinator.handleFinalizePromise(PARTICIPANT3, true);
    Assert.assertTrue(coordinator.finalizeCommitCalled);
    Assert.assertEquals(ConsistentSession.State.FINALIZED, coordinator.getState());
    for (InetAddressAndPort participant : PARTICIPANTS) {
        RepairMessage expected = new FinalizeCommit(coordinator.sessionID);
        assertMessageSent(coordinator, participant, expected);
    }
    Assert.assertTrue(sessionResult.isDone());
    sessionResult.syncUninterruptibly();
}

Example 8 with PrepareConsistentRequest

use of org.apache.cassandra.repair.messages.PrepareConsistentRequest in project cassandra by apache.

the class CoordinatorSessionTest method failedPropose.

@Test
public void failedPropose() {
    InstrumentedCoordinatorSession coordinator = createInstrumentedSession();
    AtomicBoolean repairSubmitted = new AtomicBoolean(false);
    Promise<CoordinatedRepairResult> repairFuture = AsyncPromise.uncancellable();
    Supplier<Future<CoordinatedRepairResult>> sessionSupplier = () -> {
        repairSubmitted.set(true);
        return repairFuture;
    };
    // coordinator sends prepare requests to create local session and perform anticompaction
    Assert.assertFalse(repairSubmitted.get());
    Assert.assertTrue(coordinator.sentMessages.isEmpty());
    Future<CoordinatedRepairResult> sessionResult = coordinator.execute(sessionSupplier);
    for (InetAddressAndPort participant : PARTICIPANTS) {
        RepairMessage expected = new PrepareConsistentRequest(coordinator.sessionID, COORDINATOR, new HashSet<>(PARTICIPANTS));
        assertMessageSent(coordinator, participant, expected);
    }
    // participants respond to coordinator, and repair begins once all participants have responded with success
    Assert.assertEquals(ConsistentSession.State.PREPARING, coordinator.getState());
    coordinator.handlePrepareResponse(PARTICIPANT1, true);
    Assert.assertEquals(ConsistentSession.State.PREPARING, coordinator.getState());
    coordinator.handlePrepareResponse(PARTICIPANT2, true);
    Assert.assertEquals(ConsistentSession.State.PREPARING, coordinator.getState());
    // set the setRepairing callback to verify the correct state when it's called
    Assert.assertFalse(coordinator.setRepairingCalled);
    coordinator.onSetRepairing = () -> Assert.assertEquals(PREPARED, coordinator.getState());
    coordinator.handlePrepareResponse(PARTICIPANT3, true);
    Assert.assertTrue(coordinator.setRepairingCalled);
    Assert.assertTrue(repairSubmitted.get());
    Assert.assertEquals(ConsistentSession.State.REPAIRING, coordinator.getState());
    ArrayList<RepairSessionResult> results = Lists.newArrayList(createResult(coordinator), createResult(coordinator), createResult(coordinator));
    coordinator.sentMessages.clear();
    repairFuture.trySuccess(CoordinatedRepairResult.success(results));
    // propose messages should have been sent once all repair sessions completed successfully
    for (InetAddressAndPort participant : PARTICIPANTS) {
        RepairMessage expected = new FinalizePropose(coordinator.sessionID);
        assertMessageSent(coordinator, participant, expected);
    }
    // finalize commit messages will be sent once all participants respond with a promize to finalize
    coordinator.sentMessages.clear();
    Assert.assertEquals(ConsistentSession.State.REPAIRING, coordinator.getState());
    coordinator.handleFinalizePromise(PARTICIPANT1, true);
    Assert.assertEquals(ConsistentSession.State.REPAIRING, coordinator.getState());
    Assert.assertFalse(coordinator.failCalled);
    coordinator.handleFinalizePromise(PARTICIPANT2, false);
    Assert.assertEquals(ConsistentSession.State.FAILED, coordinator.getState());
    Assert.assertTrue(coordinator.failCalled);
    // additional success messages should be ignored
    Assert.assertFalse(coordinator.finalizeCommitCalled);
    coordinator.onFinalizeCommit = Assert::fail;
    coordinator.handleFinalizePromise(PARTICIPANT3, true);
    Assert.assertFalse(coordinator.finalizeCommitCalled);
    Assert.assertEquals(ConsistentSession.State.FAILED, coordinator.getState());
    // failure messages should have been sent to all participants
    for (InetAddressAndPort participant : PARTICIPANTS) {
        RepairMessage expected = new FailSession(coordinator.sessionID);
        assertMessageSent(coordinator, participant, expected);
    }
    Assert.assertTrue(sessionResult.isDone());
    Assert.assertNotNull(sessionResult.cause());
}

Example 9 with PrepareConsistentRequest

use of org.apache.cassandra.repair.messages.PrepareConsistentRequest in project cassandra by apache.

the class CoordinatorSessionTest method failedRepairs.

@Test
public void failedRepairs() {
    InstrumentedCoordinatorSession coordinator = createInstrumentedSession();
    AtomicBoolean repairSubmitted = new AtomicBoolean(false);
    Promise<CoordinatedRepairResult> repairFuture = AsyncPromise.uncancellable();
    Supplier<Future<CoordinatedRepairResult>> sessionSupplier = () -> {
        repairSubmitted.set(true);
        return repairFuture;
    };
    // coordinator sends prepare requests to create local session and perform anticompaction
    Assert.assertFalse(repairSubmitted.get());
    Assert.assertTrue(coordinator.sentMessages.isEmpty());
    Future<CoordinatedRepairResult> sessionResult = coordinator.execute(sessionSupplier);
    for (InetAddressAndPort participant : PARTICIPANTS) {
        PrepareConsistentRequest expected = new PrepareConsistentRequest(coordinator.sessionID, COORDINATOR, new HashSet<>(PARTICIPANTS));
        assertMessageSent(coordinator, participant, expected);
    }
    // participants respond to coordinator, and repair begins once all participants have responded with success
    Assert.assertEquals(ConsistentSession.State.PREPARING, coordinator.getState());
    coordinator.handlePrepareResponse(PARTICIPANT1, true);
    Assert.assertEquals(ConsistentSession.State.PREPARING, coordinator.getState());
    coordinator.handlePrepareResponse(PARTICIPANT2, true);
    Assert.assertEquals(ConsistentSession.State.PREPARING, coordinator.getState());
    // set the setRepairing callback to verify the correct state when it's called
    Assert.assertFalse(coordinator.setRepairingCalled);
    coordinator.onSetRepairing = () -> Assert.assertEquals(PREPARED, coordinator.getState());
    coordinator.handlePrepareResponse(PARTICIPANT3, true);
    Assert.assertTrue(coordinator.setRepairingCalled);
    Assert.assertTrue(repairSubmitted.get());
    Assert.assertEquals(ConsistentSession.State.REPAIRING, coordinator.getState());
    List<Collection<Range<Token>>> ranges = Arrays.asList(coordinator.ranges, coordinator.ranges, coordinator.ranges);
    ArrayList<RepairSessionResult> results = Lists.newArrayList(createResult(coordinator), null, createResult(coordinator));
    coordinator.sentMessages.clear();
    Assert.assertFalse(coordinator.failCalled);
    coordinator.onFail = () -> Assert.assertEquals(REPAIRING, coordinator.getState());
    repairFuture.trySuccess(CoordinatedRepairResult.create(ranges, results));
    Assert.assertTrue(coordinator.failCalled);
    // all participants should have been notified of session failure
    for (InetAddressAndPort participant : PARTICIPANTS) {
        RepairMessage expected = new FailSession(coordinator.sessionID);
        assertMessageSent(coordinator, participant, expected);
    }
    Assert.assertTrue(sessionResult.isDone());
    Assert.assertNotNull(sessionResult.cause());
}

Example 10 with PrepareConsistentRequest

use of org.apache.cassandra.repair.messages.PrepareConsistentRequest in project cassandra by apache.

the class CoordinatorSessionTest method failedPrepare.

@Test
public void failedPrepare() {
    InstrumentedCoordinatorSession coordinator = createInstrumentedSession();
    AtomicBoolean repairSubmitted = new AtomicBoolean(false);
    Promise<CoordinatedRepairResult> repairFuture = AsyncPromise.uncancellable();
    Supplier<Future<CoordinatedRepairResult>> sessionSupplier = () -> {
        repairSubmitted.set(true);
        return repairFuture;
    };
    // coordinator sends prepare requests to create local session and perform anticompaction
    Assert.assertFalse(repairSubmitted.get());
    Assert.assertTrue(coordinator.sentMessages.isEmpty());
    Future<CoordinatedRepairResult> sessionResult = coordinator.execute(sessionSupplier);
    for (InetAddressAndPort participant : PARTICIPANTS) {
        PrepareConsistentRequest expected = new PrepareConsistentRequest(coordinator.sessionID, COORDINATOR, new HashSet<>(PARTICIPANTS));
        assertMessageSent(coordinator, participant, expected);
    }
    coordinator.sentMessages.clear();
    // participants respond to coordinator, and repair begins once all participants have responded
    Assert.assertEquals(ConsistentSession.State.PREPARING, coordinator.getState());
    coordinator.handlePrepareResponse(PARTICIPANT1, true);
    Assert.assertEquals(ConsistentSession.State.PREPARING, coordinator.getState());
    Assert.assertEquals(PREPARED, coordinator.getParticipantState(PARTICIPANT1));
    Assert.assertFalse(sessionResult.isDone());
    // participant 2 fails to prepare for consistent repair
    Assert.assertFalse(coordinator.failCalled);
    coordinator.handlePrepareResponse(PARTICIPANT2, false);
    Assert.assertEquals(ConsistentSession.State.PREPARING, coordinator.getState());
    // we should have sent failure messages to the other participants, but not yet marked them failed internally
    assertMessageSent(coordinator, PARTICIPANT1, new FailSession(coordinator.sessionID));
    assertMessageSent(coordinator, PARTICIPANT2, new FailSession(coordinator.sessionID));
    assertMessageSent(coordinator, PARTICIPANT3, new FailSession(coordinator.sessionID));
    Assert.assertEquals(FAILED, coordinator.getParticipantState(PARTICIPANT2));
    Assert.assertEquals(PREPARED, coordinator.getParticipantState(PARTICIPANT1));
    Assert.assertEquals(PREPARING, coordinator.getParticipantState(PARTICIPANT3));
    Assert.assertFalse(sessionResult.isDone());
    Assert.assertFalse(coordinator.failCalled);
    coordinator.sentMessages.clear();
    // last outstanding response should cause repair to complete in failed state
    Assert.assertFalse(coordinator.setRepairingCalled);
    coordinator.onSetRepairing = Assert::fail;
    coordinator.handlePrepareResponse(PARTICIPANT3, true);
    Assert.assertTrue(coordinator.failCalled);
    Assert.assertFalse(coordinator.setRepairingCalled);
    Assert.assertFalse(repairSubmitted.get());
    // all participants that did not fail should have been notified of session failure
    RepairMessage expected = new FailSession(coordinator.sessionID);
    assertMessageSent(coordinator, PARTICIPANT1, expected);
    assertMessageSent(coordinator, PARTICIPANT3, expected);
    Assert.assertFalse(coordinator.sentMessages.containsKey(PARTICIPANT2));
    Assert.assertTrue(sessionResult.isDone());
    Assert.assertNotNull(sessionResult.cause());
}