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/*
* Licensed to Elasticsearch under one or more contributor
* license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright
* ownership. Elasticsearch licenses this file to you under
* the Apache License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.elasticsearch.action.search;
import org.elasticsearch.Version;
import org.elasticsearch.action.ActionListener;
import org.elasticsearch.cluster.node.DiscoveryNode;
import org.elasticsearch.cluster.node.DiscoveryNodes;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.common.util.concurrent.AtomicArray;
import org.elasticsearch.index.shard.ShardId;
import org.elasticsearch.search.SearchPhaseResult;
import org.elasticsearch.search.SearchShardTarget;
import org.elasticsearch.test.ESTestCase;
import org.elasticsearch.transport.NodeNotConnectedException;
import org.elasticsearch.transport.Transport;
import org.elasticsearch.transport.TransportResponse;
import java.io.IOException;
import java.util.Arrays;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;
import java.util.concurrent.CopyOnWriteArrayList;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.atomic.AtomicInteger;
public class ClearScrollControllerTests extends ESTestCase {
public void testClearAll() throws IOException, InterruptedException {
DiscoveryNode node1 = new DiscoveryNode("node_1", buildNewFakeTransportAddress(), Version.CURRENT);
DiscoveryNode node2 = new DiscoveryNode("node_2", buildNewFakeTransportAddress(), Version.CURRENT);
DiscoveryNode node3 = new DiscoveryNode("node_3", buildNewFakeTransportAddress(), Version.CURRENT);
DiscoveryNodes nodes = DiscoveryNodes.builder().add(node1).add(node2).add(node3).build();
CountDownLatch latch = new CountDownLatch(1);
ActionListener<ClearScrollResponse> listener = new ActionListener<ClearScrollResponse>() {
@Override
public void onResponse(ClearScrollResponse clearScrollResponse) {
try {
assertEquals(3, clearScrollResponse.getNumFreed());
assertTrue(clearScrollResponse.isSucceeded());
} finally {
latch.countDown();
}
}
@Override
public void onFailure(Exception e) {
try {
throw new AssertionError(e);
} finally {
latch.countDown();
}
}
};
List<DiscoveryNode> nodesInvoked = new CopyOnWriteArrayList<>();
SearchTransportService searchTransportService = new SearchTransportService(Settings.EMPTY, null) {
@Override
public void sendClearAllScrollContexts(Transport.Connection connection, ActionListener<TransportResponse> listener) {
nodesInvoked.add(connection.getNode());
Thread t = new Thread(() -> listener.onResponse(TransportResponse.Empty.INSTANCE)); // response is unused
t.start();
}
@Override
Transport.Connection getConnection(String clusterAlias, DiscoveryNode node) {
return new SearchAsyncActionTests.MockConnection(node);
}
};
ClearScrollRequest clearScrollRequest = new ClearScrollRequest();
clearScrollRequest.scrollIds(Arrays.asList("_all"));
ClearScrollController controller = new ClearScrollController(clearScrollRequest, listener,
nodes, logger, searchTransportService);
controller.run();
latch.await();
assertEquals(3, nodesInvoked.size());
Collections.sort(nodesInvoked, Comparator.comparing(DiscoveryNode::getId));
assertEquals(nodesInvoked, Arrays.asList(node1, node2, node3));
}
public void testClearScrollIds() throws IOException, InterruptedException {
DiscoveryNode node1 = new DiscoveryNode("node_1", buildNewFakeTransportAddress(), Version.CURRENT);
DiscoveryNode node2 = new DiscoveryNode("node_2", buildNewFakeTransportAddress(), Version.CURRENT);
DiscoveryNode node3 = new DiscoveryNode("node_3", buildNewFakeTransportAddress(), Version.CURRENT);
AtomicArray<SearchPhaseResult> array = new AtomicArray<>(3);
SearchAsyncActionTests.TestSearchPhaseResult testSearchPhaseResult1 = new SearchAsyncActionTests.TestSearchPhaseResult(1, node1);
testSearchPhaseResult1.setSearchShardTarget(new SearchShardTarget("node_1", new ShardId("idx", "uuid1", 2), null, null));
SearchAsyncActionTests.TestSearchPhaseResult testSearchPhaseResult2 = new SearchAsyncActionTests.TestSearchPhaseResult(12, node2);
testSearchPhaseResult2.setSearchShardTarget(new SearchShardTarget("node_2", new ShardId("idy", "uuid2", 42), null, null));
SearchAsyncActionTests.TestSearchPhaseResult testSearchPhaseResult3 = new SearchAsyncActionTests.TestSearchPhaseResult(42, node3);
testSearchPhaseResult3.setSearchShardTarget(new SearchShardTarget("node_3", new ShardId("idy", "uuid2", 43), null, null));
array.setOnce(0, testSearchPhaseResult1);
array.setOnce(1, testSearchPhaseResult2);
array.setOnce(2, testSearchPhaseResult3);
AtomicInteger numFreed = new AtomicInteger(0);
String scrollId = TransportSearchHelper.buildScrollId(array);
DiscoveryNodes nodes = DiscoveryNodes.builder().add(node1).add(node2).add(node3).build();
CountDownLatch latch = new CountDownLatch(1);
ActionListener<ClearScrollResponse> listener = new ActionListener<ClearScrollResponse>() {
@Override
public void onResponse(ClearScrollResponse clearScrollResponse) {
try {
assertEquals(numFreed.get(), clearScrollResponse.getNumFreed());
assertTrue(clearScrollResponse.isSucceeded());
} finally {
latch.countDown();
}
}
@Override
public void onFailure(Exception e) {
try {
throw new AssertionError(e);
} finally {
latch.countDown();
}
}
};
List<DiscoveryNode> nodesInvoked = new CopyOnWriteArrayList<>();
SearchTransportService searchTransportService = new SearchTransportService(Settings.EMPTY, null) {
@Override
public void sendFreeContext(Transport.Connection connection, long contextId,
ActionListener<SearchFreeContextResponse> listener) {
nodesInvoked.add(connection.getNode());
boolean freed = randomBoolean();
if (freed) {
numFreed.incrementAndGet();
}
Thread t = new Thread(() -> listener.onResponse(new SearchFreeContextResponse(freed)));
t.start();
}
@Override
Transport.Connection getConnection(String clusterAlias, DiscoveryNode node) {
return new SearchAsyncActionTests.MockConnection(node);
}
};
ClearScrollRequest clearScrollRequest = new ClearScrollRequest();
clearScrollRequest.scrollIds(Arrays.asList(scrollId));
ClearScrollController controller = new ClearScrollController(clearScrollRequest, listener,
nodes, logger, searchTransportService);
controller.run();
latch.await();
assertEquals(3, nodesInvoked.size());
Collections.sort(nodesInvoked, Comparator.comparing(DiscoveryNode::getId));
assertEquals(nodesInvoked, Arrays.asList(node1, node2, node3));
}
public void testClearScrollIdsWithFailure() throws IOException, InterruptedException {
DiscoveryNode node1 = new DiscoveryNode("node_1", buildNewFakeTransportAddress(), Version.CURRENT);
DiscoveryNode node2 = new DiscoveryNode("node_2", buildNewFakeTransportAddress(), Version.CURRENT);
DiscoveryNode node3 = new DiscoveryNode("node_3", buildNewFakeTransportAddress(), Version.CURRENT);
AtomicArray<SearchPhaseResult> array = new AtomicArray<>(3);
SearchAsyncActionTests.TestSearchPhaseResult testSearchPhaseResult1 = new SearchAsyncActionTests.TestSearchPhaseResult(1, node1);
testSearchPhaseResult1.setSearchShardTarget(new SearchShardTarget("node_1", new ShardId("idx", "uuid1", 2), null, null));
SearchAsyncActionTests.TestSearchPhaseResult testSearchPhaseResult2 = new SearchAsyncActionTests.TestSearchPhaseResult(12, node2);
testSearchPhaseResult2.setSearchShardTarget(new SearchShardTarget("node_2", new ShardId("idy", "uuid2", 42), null, null));
SearchAsyncActionTests.TestSearchPhaseResult testSearchPhaseResult3 = new SearchAsyncActionTests.TestSearchPhaseResult(42, node3);
testSearchPhaseResult3.setSearchShardTarget(new SearchShardTarget("node_3", new ShardId("idy", "uuid2", 43), null, null));
array.setOnce(0, testSearchPhaseResult1);
array.setOnce(1, testSearchPhaseResult2);
array.setOnce(2, testSearchPhaseResult3);
AtomicInteger numFreed = new AtomicInteger(0);
AtomicInteger numFailures = new AtomicInteger(0);
AtomicInteger numConnectionFailures = new AtomicInteger(0);
String scrollId = TransportSearchHelper.buildScrollId(array);
DiscoveryNodes nodes = DiscoveryNodes.builder().add(node1).add(node2).add(node3).build();
CountDownLatch latch = new CountDownLatch(1);
ActionListener<ClearScrollResponse> listener = new ActionListener<ClearScrollResponse>() {
@Override
public void onResponse(ClearScrollResponse clearScrollResponse) {
try {
assertEquals(numFreed.get(), clearScrollResponse.getNumFreed());
if (numFailures.get() > 0) {
assertFalse(clearScrollResponse.isSucceeded());
} else {
assertTrue(clearScrollResponse.isSucceeded());
}
} finally {
latch.countDown();
}
}
@Override
public void onFailure(Exception e) {
try {
throw new AssertionError(e);
} finally {
latch.countDown();
}
}
};
List<DiscoveryNode> nodesInvoked = new CopyOnWriteArrayList<>();
SearchTransportService searchTransportService = new SearchTransportService(Settings.EMPTY, null) {
@Override
public void sendFreeContext(Transport.Connection connection, long contextId,
ActionListener<SearchFreeContextResponse> listener) {
nodesInvoked.add(connection.getNode());
boolean freed = randomBoolean();
boolean fail = randomBoolean();
Thread t = new Thread(() -> {
if (fail) {
numFailures.incrementAndGet();
listener.onFailure(new IllegalArgumentException("boom"));
} else {
if (freed) {
numFreed.incrementAndGet();
}
listener.onResponse(new SearchFreeContextResponse(freed));
}
});
t.start();
}
@Override
Transport.Connection getConnection(String clusterAlias, DiscoveryNode node) {
if (randomBoolean()) {
numFailures.incrementAndGet();
numConnectionFailures.incrementAndGet();
throw new NodeNotConnectedException(node, "boom");
}
return new SearchAsyncActionTests.MockConnection(node);
}
};
ClearScrollRequest clearScrollRequest = new ClearScrollRequest();
clearScrollRequest.scrollIds(Arrays.asList(scrollId));
ClearScrollController controller = new ClearScrollController(clearScrollRequest, listener,
nodes, logger, searchTransportService);
controller.run();
latch.await();
assertEquals(3 - numConnectionFailures.get(), nodesInvoked.size());
}
}
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