Examples with ReplicaResponse org.elasticsearch.action.support.replication.ReplicationOperation.ReplicaResponse used on opensource projects

Example 1 with ReplicaResponse

use of org.elasticsearch.action.support.replication.ReplicationOperation.ReplicaResponse in project elasticsearch by elastic.

the class TransportReplicationActionTests method testReplicaProxy.

public void testReplicaProxy() throws InterruptedException, ExecutionException {
    ReplicationOperation.Replicas proxy = action.newReplicasProxy();
    final String index = "test";
    final ShardId shardId = new ShardId(index, "_na_", 0);
    ClusterState state = stateWithActivePrimary(index, true, 1 + randomInt(3), randomInt(2));
    logger.info("using state: {}", state);
    setState(clusterService, state);
    // check that at unknown node fails
    PlainActionFuture<ReplicaResponse> listener = new PlainActionFuture<>();
    proxy.performOn(TestShardRouting.newShardRouting(shardId, "NOT THERE", false, randomFrom(ShardRoutingState.values())), new Request(), listener);
    assertTrue(listener.isDone());
    assertListenerThrows("non existent node should throw a NoNodeAvailableException", listener, NoNodeAvailableException.class);
    final IndexShardRoutingTable shardRoutings = state.routingTable().shardRoutingTable(shardId);
    final ShardRouting replica = randomFrom(shardRoutings.replicaShards().stream().filter(ShardRouting::assignedToNode).collect(Collectors.toList()));
    listener = new PlainActionFuture<>();
    proxy.performOn(replica, new Request(), listener);
    assertFalse(listener.isDone());
    CapturingTransport.CapturedRequest[] captures = transport.getCapturedRequestsAndClear();
    assertThat(captures, arrayWithSize(1));
    if (randomBoolean()) {
        final TransportReplicationAction.ReplicaResponse response = new TransportReplicationAction.ReplicaResponse(randomAsciiOfLength(10), randomLong());
        transport.handleResponse(captures[0].requestId, response);
        assertTrue(listener.isDone());
        assertThat(listener.get(), equalTo(response));
    } else if (randomBoolean()) {
        transport.handleRemoteError(captures[0].requestId, new ElasticsearchException("simulated"));
        assertTrue(listener.isDone());
        assertListenerThrows("listener should reflect remote error", listener, ElasticsearchException.class);
    } else {
        transport.handleError(captures[0].requestId, new TransportException("simulated"));
        assertTrue(listener.isDone());
        assertListenerThrows("listener should reflect remote error", listener, TransportException.class);
    }
    AtomicReference<Object> failure = new AtomicReference<>();
    AtomicReference<Object> ignoredFailure = new AtomicReference<>();
    AtomicBoolean success = new AtomicBoolean();
    proxy.failShardIfNeeded(replica, randomIntBetween(1, 10), "test", new ElasticsearchException("simulated"), () -> success.set(true), failure::set, ignoredFailure::set);
    CapturingTransport.CapturedRequest[] shardFailedRequests = transport.getCapturedRequestsAndClear();
    // A replication action doesn't not fail the request
    assertEquals(0, shardFailedRequests.length);
}

Example 2 with ReplicaResponse

use of org.elasticsearch.action.support.replication.ReplicationOperation.ReplicaResponse in project elasticsearch by elastic.

the class TransportWriteActionTests method testReplicaProxy.

public void testReplicaProxy() throws InterruptedException, ExecutionException {
    CapturingTransport transport = new CapturingTransport();
    TransportService transportService = new TransportService(clusterService.getSettings(), transport, threadPool, TransportService.NOOP_TRANSPORT_INTERCEPTOR, x -> clusterService.localNode(), null);
    transportService.start();
    transportService.acceptIncomingRequests();
    ShardStateAction shardStateAction = new ShardStateAction(Settings.EMPTY, clusterService, transportService, null, null, threadPool);
    TestAction action = action = new TestAction(Settings.EMPTY, "testAction", transportService, clusterService, shardStateAction, threadPool);
    ReplicationOperation.Replicas proxy = action.newReplicasProxy();
    final String index = "test";
    final ShardId shardId = new ShardId(index, "_na_", 0);
    ClusterState state = ClusterStateCreationUtils.stateWithActivePrimary(index, true, 1 + randomInt(3), randomInt(2));
    logger.info("using state: {}", state);
    ClusterServiceUtils.setState(clusterService, state);
    // check that at unknown node fails
    PlainActionFuture<ReplicaResponse> listener = new PlainActionFuture<>();
    proxy.performOn(TestShardRouting.newShardRouting(shardId, "NOT THERE", false, randomFrom(ShardRoutingState.values())), new TestRequest(), listener);
    assertTrue(listener.isDone());
    assertListenerThrows("non existent node should throw a NoNodeAvailableException", listener, NoNodeAvailableException.class);
    final IndexShardRoutingTable shardRoutings = state.routingTable().shardRoutingTable(shardId);
    final ShardRouting replica = randomFrom(shardRoutings.replicaShards().stream().filter(ShardRouting::assignedToNode).collect(Collectors.toList()));
    listener = new PlainActionFuture<>();
    proxy.performOn(replica, new TestRequest(), listener);
    assertFalse(listener.isDone());
    CapturingTransport.CapturedRequest[] captures = transport.getCapturedRequestsAndClear();
    assertThat(captures, arrayWithSize(1));
    if (randomBoolean()) {
        final TransportReplicationAction.ReplicaResponse response = new TransportReplicationAction.ReplicaResponse(randomAsciiOfLength(10), randomLong());
        transport.handleResponse(captures[0].requestId, response);
        assertTrue(listener.isDone());
        assertThat(listener.get(), equalTo(response));
    } else if (randomBoolean()) {
        transport.handleRemoteError(captures[0].requestId, new ElasticsearchException("simulated"));
        assertTrue(listener.isDone());
        assertListenerThrows("listener should reflect remote error", listener, ElasticsearchException.class);
    } else {
        transport.handleError(captures[0].requestId, new TransportException("simulated"));
        assertTrue(listener.isDone());
        assertListenerThrows("listener should reflect remote error", listener, TransportException.class);
    }
    AtomicReference<Object> failure = new AtomicReference<>();
    AtomicReference<Object> ignoredFailure = new AtomicReference<>();
    AtomicBoolean success = new AtomicBoolean();
    proxy.failShardIfNeeded(replica, randomIntBetween(1, 10), "test", new ElasticsearchException("simulated"), () -> success.set(true), failure::set, ignoredFailure::set);
    CapturingTransport.CapturedRequest[] shardFailedRequests = transport.getCapturedRequestsAndClear();
    // A write replication action proxy should fail the shard
    assertEquals(1, shardFailedRequests.length);
    CapturingTransport.CapturedRequest shardFailedRequest = shardFailedRequests[0];
    ShardStateAction.ShardEntry shardEntry = (ShardStateAction.ShardEntry) shardFailedRequest.request;
    // the shard the request was sent to and the shard to be failed should be the same
    assertEquals(shardEntry.getShardId(), replica.shardId());
    assertEquals(shardEntry.getAllocationId(), replica.allocationId().getId());
    if (randomBoolean()) {
        // simulate success
        transport.handleResponse(shardFailedRequest.requestId, TransportResponse.Empty.INSTANCE);
        assertTrue(success.get());
        assertNull(failure.get());
        assertNull(ignoredFailure.get());
    } else if (randomBoolean()) {
        // simulate the primary has been demoted
        transport.handleRemoteError(shardFailedRequest.requestId, new ShardStateAction.NoLongerPrimaryShardException(replica.shardId(), "shard-failed-test"));
        assertFalse(success.get());
        assertNotNull(failure.get());
        assertNull(ignoredFailure.get());
    } else {
        // simulated an "ignored" exception
        transport.handleRemoteError(shardFailedRequest.requestId, new NodeClosedException(state.nodes().getLocalNode()));
        assertFalse(success.get());
        assertNull(failure.get());
        assertNotNull(ignoredFailure.get());
    }
}