use of org.opensearch.action.support.replication.ReplicationOperation.ReplicaResponse in project OpenSearch by opensearch-project.
the class TransportWriteActionTests method testReplicaProxy.
public void testReplicaProxy() throws InterruptedException, ExecutionException {
CapturingTransport transport = new CapturingTransport();
TransportService transportService = transport.createTransportService(clusterService.getSettings(), threadPool, TransportService.NOOP_TRANSPORT_INTERCEPTOR, x -> clusterService.localNode(), null, Collections.emptySet());
transportService.start();
transportService.acceptIncomingRequests();
ShardStateAction shardStateAction = new ShardStateAction(clusterService, transportService, null, null, threadPool);
TestAction action = new TestAction(Settings.EMPTY, "internal:testAction", transportService, clusterService, shardStateAction, threadPool);
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);
final long primaryTerm = state.metadata().index(index).primaryTerm(0);
ReplicationOperation.Replicas<TestRequest> proxy = action.newReplicasProxy();
// check that at unknown node fails
PlainActionFuture<ReplicaResponse> listener = new PlainActionFuture<>();
ShardRoutingState routingState = randomFrom(ShardRoutingState.INITIALIZING, ShardRoutingState.STARTED, ShardRoutingState.RELOCATING);
proxy.performOn(TestShardRouting.newShardRouting(shardId, "NOT THERE", routingState == ShardRoutingState.RELOCATING ? state.nodes().iterator().next().getId() : null, false, routingState), new TestRequest(), primaryTerm, randomNonNegativeLong(), randomNonNegativeLong(), 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(), primaryTerm, randomNonNegativeLong(), randomNonNegativeLong(), listener);
assertFalse(listener.isDone());
CapturingTransport.CapturedRequest[] captures = transport.getCapturedRequestsAndClear();
assertThat(captures, arrayWithSize(1));
if (randomBoolean()) {
final TransportReplicationAction.ReplicaResponse response = new TransportReplicationAction.ReplicaResponse(randomLong(), randomLong());
transport.handleResponse(captures[0].requestId, response);
assertTrue(listener.isDone());
assertThat(listener.get(), equalTo(response));
} else if (randomBoolean()) {
transport.handleRemoteError(captures[0].requestId, new OpenSearchException("simulated"));
assertTrue(listener.isDone());
assertListenerThrows("listener should reflect remote error", listener, OpenSearchException.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<>();
AtomicBoolean success = new AtomicBoolean();
proxy.failShardIfNeeded(replica, primaryTerm, "test", new OpenSearchException("simulated"), ActionListener.wrap(r -> success.set(true), failure::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.FailedShardEntry shardEntry = (ShardStateAction.FailedShardEntry) 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());
} 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());
} else {
// simulated a node closing exception
transport.handleRemoteError(shardFailedRequest.requestId, new NodeClosedException(state.nodes().getLocalNode()));
assertFalse(success.get());
assertNotNull(failure.get());
}
}
use of org.opensearch.action.support.replication.ReplicationOperation.ReplicaResponse in project OpenSearch by opensearch-project.
the class TransportReplicationActionTests method testReplicaProxy.
public void testReplicaProxy() throws InterruptedException, ExecutionException {
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);
final long primaryTerm = state.metadata().index(index).primaryTerm(0);
ReplicationOperation.Replicas<Request> proxy = action.newReplicasProxy();
// check that at unknown node fails
PlainActionFuture<ReplicaResponse> listener = new PlainActionFuture<>();
ShardRoutingState routingState = randomFrom(ShardRoutingState.INITIALIZING, ShardRoutingState.STARTED, ShardRoutingState.RELOCATING);
proxy.performOn(TestShardRouting.newShardRouting(shardId, "NOT THERE", routingState == ShardRoutingState.RELOCATING ? state.nodes().iterator().next().getId() : null, false, routingState), new Request(NO_SHARD_ID), primaryTerm, randomNonNegativeLong(), randomNonNegativeLong(), 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(NO_SHARD_ID), primaryTerm, randomNonNegativeLong(), randomNonNegativeLong(), listener);
assertFalse(listener.isDone());
CapturingTransport.CapturedRequest[] captures = transport.getCapturedRequestsAndClear();
assertThat(captures, arrayWithSize(1));
if (randomBoolean()) {
final TransportReplicationAction.ReplicaResponse response = new TransportReplicationAction.ReplicaResponse(randomLong(), randomLong());
transport.handleResponse(captures[0].requestId, response);
assertTrue(listener.isDone());
assertThat(listener.get(), equalTo(response));
} else if (randomBoolean()) {
transport.handleRemoteError(captures[0].requestId, new OpenSearchException("simulated"));
assertTrue(listener.isDone());
assertListenerThrows("listener should reflect remote error", listener, OpenSearchException.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<>();
AtomicBoolean success = new AtomicBoolean();
proxy.failShardIfNeeded(replica, primaryTerm, "test", new OpenSearchException("simulated"), ActionListener.wrap(r -> success.set(true), failure::set));
CapturingTransport.CapturedRequest[] shardFailedRequests = transport.getCapturedRequestsAndClear();
// A replication action doesn't not fail the request
assertEquals(0, shardFailedRequests.length);
}
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