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Optimize TransportNodesAction to not send DiscoveryNodes for NodeStat…
…s, NodesInfo and ClusterStats call Signed-off-by: Pranshu Shukla <[email protected]>
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134 changes: 134 additions & 0 deletions
134
...r/src/test/java/org/opensearch/action/support/nodes/TransportClusterStatsActionTests.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,134 @@ | ||
| /* | ||
| * SPDX-License-Identifier: Apache-2.0 | ||
| * | ||
| * The OpenSearch Contributors require contributions made to | ||
| * this file be licensed under the Apache-2.0 license or a | ||
| * compatible open source license. | ||
| */ | ||
|
|
||
| package org.opensearch.action.support.nodes; | ||
|
|
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| import org.opensearch.action.admin.cluster.node.stats.NodesStatsRequest; | ||
| import org.opensearch.action.admin.cluster.stats.ClusterStatsRequest; | ||
| import org.opensearch.action.admin.cluster.stats.TransportClusterStatsAction; | ||
| import org.opensearch.action.support.ActionFilters; | ||
| import org.opensearch.action.support.PlainActionFuture; | ||
| import org.opensearch.cluster.node.DiscoveryNode; | ||
| import org.opensearch.cluster.service.ClusterService; | ||
| import org.opensearch.common.io.stream.BytesStreamOutput; | ||
| import org.opensearch.core.common.io.stream.StreamInput; | ||
| import org.opensearch.indices.IndicesService; | ||
| import org.opensearch.node.NodeService; | ||
| import org.opensearch.test.transport.CapturingTransport; | ||
| import org.opensearch.threadpool.ThreadPool; | ||
| import org.opensearch.transport.TransportService; | ||
|
|
||
| import java.io.IOException; | ||
| import java.util.ArrayList; | ||
| import java.util.Collections; | ||
| import java.util.HashMap; | ||
| import java.util.List; | ||
| import java.util.Map; | ||
|
|
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| public class TransportClusterStatsActionTests extends TransportNodesActionTests { | ||
|
|
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| /** | ||
| * By default, we send discovery nodes list to each request that is sent across from the coordinator node. This | ||
| * behavior is asserted in this test. | ||
| */ | ||
| public void testDefaultBehavior() { | ||
| ClusterStatsRequest request = new ClusterStatsRequest(); | ||
| request.populateDiscoveryNodesInTransportRequest(true); | ||
| Map<String, List<MockClusterStatsNodeRequest>> combinedSentRequest = performNodesInfoAction(request); | ||
|
|
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| assertNotNull(combinedSentRequest); | ||
| combinedSentRequest.forEach((node, capturedRequestList) -> { | ||
| assertNotNull(capturedRequestList); | ||
| capturedRequestList.forEach(sentRequest -> { | ||
| assertNotNull(sentRequest.getDiscoveryNodes()); | ||
| assertEquals(sentRequest.getDiscoveryNodes().length, clusterService.state().nodes().getSize()); | ||
| }); | ||
| }); | ||
| } | ||
|
|
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| /** | ||
| * In the optimized ClusterStats Request, we do not send the DiscoveryNodes List to each node. This behavior is | ||
| * asserted in this test. | ||
| */ | ||
| public void testOptimizedBehavior() { | ||
| ClusterStatsRequest request = new ClusterStatsRequest(); | ||
| request.populateDiscoveryNodesInTransportRequest(false); | ||
| Map<String, List<MockClusterStatsNodeRequest>> combinedSentRequest = performNodesInfoAction(request); | ||
|
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| assertNotNull(combinedSentRequest); | ||
| combinedSentRequest.forEach((node, capturedRequestList) -> { | ||
| assertNotNull(capturedRequestList); | ||
| capturedRequestList.forEach(sentRequest -> { assertNull(sentRequest.getDiscoveryNodes()); }); | ||
| }); | ||
| } | ||
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| private Map<String, List<MockClusterStatsNodeRequest>> performNodesInfoAction(ClusterStatsRequest request) { | ||
| TransportNodesAction action = getTestTransportClusterStatsAction(); | ||
| PlainActionFuture<NodesStatsRequest> listener = new PlainActionFuture<>(); | ||
| action.new AsyncAction(null, request, listener).start(); | ||
| Map<String, List<CapturingTransport.CapturedRequest>> capturedRequests = transport.getCapturedRequestsByTargetNodeAndClear(); | ||
| Map<String, List<MockClusterStatsNodeRequest>> combinedSentRequest = new HashMap<>(); | ||
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| capturedRequests.forEach((node, capturedRequestList) -> { | ||
| List<MockClusterStatsNodeRequest> sentRequestList = new ArrayList<>(); | ||
|
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| capturedRequestList.forEach(preSentRequest -> { | ||
| BytesStreamOutput out = new BytesStreamOutput(); | ||
| try { | ||
| TransportClusterStatsAction.ClusterStatsNodeRequest clusterStatsNodeRequestFromCoordinator = | ||
| (TransportClusterStatsAction.ClusterStatsNodeRequest) preSentRequest.request; | ||
| clusterStatsNodeRequestFromCoordinator.writeTo(out); | ||
| StreamInput in = out.bytes().streamInput(); | ||
| MockClusterStatsNodeRequest mockClusterStatsNodeRequest = new MockClusterStatsNodeRequest(in); | ||
| sentRequestList.add(mockClusterStatsNodeRequest); | ||
| } catch (IOException e) { | ||
| throw new RuntimeException(e); | ||
| } | ||
| }); | ||
|
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| combinedSentRequest.put(node, sentRequestList); | ||
| }); | ||
|
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| return combinedSentRequest; | ||
| } | ||
|
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| public TestTransportClusterStatsAction getTestTransportClusterStatsAction() { | ||
| return new TestTransportClusterStatsAction( | ||
| THREAD_POOL, | ||
| clusterService, | ||
| transportService, | ||
| nodeService, | ||
| indicesService, | ||
| new ActionFilters(Collections.emptySet()) | ||
| ); | ||
| } | ||
|
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| private static class TestTransportClusterStatsAction extends TransportClusterStatsAction { | ||
| public TestTransportClusterStatsAction( | ||
| ThreadPool threadPool, | ||
| ClusterService clusterService, | ||
| TransportService transportService, | ||
| NodeService nodeService, | ||
| IndicesService indicesService, | ||
| ActionFilters actionFilters | ||
| ) { | ||
| super(threadPool, clusterService, transportService, nodeService, indicesService, actionFilters); | ||
| } | ||
| } | ||
|
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| private static class MockClusterStatsNodeRequest extends TransportClusterStatsAction.ClusterStatsNodeRequest { | ||
|
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| public MockClusterStatsNodeRequest(StreamInput in) throws IOException { | ||
| super(in); | ||
| } | ||
|
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| public DiscoveryNode[] getDiscoveryNodes() { | ||
| return this.request.concreteNodes(); | ||
| } | ||
| } | ||
| } |
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