diff --git a/CHANGELOG.md b/CHANGELOG.md index 0310181e53a2a..8dddc7aaf1c3a 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -22,6 +22,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/), - Add Plugin interface for loading application based configuration templates (([#14659](https://github.com/opensearch-project/OpenSearch/issues/14659))) - Refactor remote-routing-table service inline with remote state interfaces([#14668](https://github.com/opensearch-project/OpenSearch/pull/14668)) - Add prefix mode verification setting for repository verification (([#14790](https://github.com/opensearch-project/OpenSearch/pull/14790))) +- Optimize TransportNodesAction to not send DiscoveryNodes for NodeStats, NodesInfo and ClusterStats call ([14749](https://github.com/opensearch-project/OpenSearch/pull/14749)) ### Dependencies - Bump `org.gradle.test-retry` from 1.5.8 to 1.5.9 ([#13442](https://github.com/opensearch-project/OpenSearch/pull/13442)) diff --git a/server/src/main/java/org/opensearch/action/admin/cluster/node/info/TransportNodesInfoAction.java b/server/src/main/java/org/opensearch/action/admin/cluster/node/info/TransportNodesInfoAction.java index 2c4f8522a5a5c..dda54cce334ec 100644 --- a/server/src/main/java/org/opensearch/action/admin/cluster/node/info/TransportNodesInfoAction.java +++ b/server/src/main/java/org/opensearch/action/admin/cluster/node/info/TransportNodesInfoAction.java @@ -129,7 +129,7 @@ protected NodeInfo nodeOperation(NodeInfoRequest nodeRequest) { */ public static class NodeInfoRequest extends TransportRequest { - NodesInfoRequest request; + protected NodesInfoRequest request; public NodeInfoRequest(StreamInput in) throws IOException { super(in); diff --git a/server/src/main/java/org/opensearch/action/admin/cluster/node/stats/TransportNodesStatsAction.java b/server/src/main/java/org/opensearch/action/admin/cluster/node/stats/TransportNodesStatsAction.java index 2e93e5e7841cb..2c808adc97c7a 100644 --- a/server/src/main/java/org/opensearch/action/admin/cluster/node/stats/TransportNodesStatsAction.java +++ b/server/src/main/java/org/opensearch/action/admin/cluster/node/stats/TransportNodesStatsAction.java @@ -140,7 +140,7 @@ protected NodeStats nodeOperation(NodeStatsRequest nodeStatsRequest) { */ public static class NodeStatsRequest extends TransportRequest { - NodesStatsRequest request; + protected NodesStatsRequest request; public NodeStatsRequest(StreamInput in) throws IOException { super(in); diff --git a/server/src/main/java/org/opensearch/action/admin/cluster/stats/TransportClusterStatsAction.java b/server/src/main/java/org/opensearch/action/admin/cluster/stats/TransportClusterStatsAction.java index e4f483f796f44..c7d03596a2a36 100644 --- a/server/src/main/java/org/opensearch/action/admin/cluster/stats/TransportClusterStatsAction.java +++ b/server/src/main/java/org/opensearch/action/admin/cluster/stats/TransportClusterStatsAction.java @@ -223,7 +223,7 @@ protected ClusterStatsNodeResponse nodeOperation(ClusterStatsNodeRequest nodeReq */ public static class ClusterStatsNodeRequest extends TransportRequest { - ClusterStatsRequest request; + protected ClusterStatsRequest request; public ClusterStatsNodeRequest(StreamInput in) throws IOException { super(in); diff --git a/server/src/main/java/org/opensearch/action/support/nodes/BaseNodesRequest.java b/server/src/main/java/org/opensearch/action/support/nodes/BaseNodesRequest.java index 4d54ce51c923c..a4f6d8afeaf38 100644 --- a/server/src/main/java/org/opensearch/action/support/nodes/BaseNodesRequest.java +++ b/server/src/main/java/org/opensearch/action/support/nodes/BaseNodesRequest.java @@ -65,6 +65,14 @@ public abstract class BaseNodesRequest * will be ignored and this will be used. * */ private DiscoveryNode[] concreteNodes; + + /** + * Since do not use the discovery nodes coming from the request in all code paths following a request extended off from + * BaseNodeRequest, we do not require it to sent around across all nodes. + * + * Setting default behavior as `true` but can be explicitly changed in requests that do not require. + */ + private boolean includeDiscoveryNodes = true; private final TimeValue DEFAULT_TIMEOUT_SECS = TimeValue.timeValueSeconds(30); private TimeValue timeout; @@ -119,6 +127,14 @@ public void setConcreteNodes(DiscoveryNode[] concreteNodes) { this.concreteNodes = concreteNodes; } + public void setIncludeDiscoveryNodes(boolean value) { + includeDiscoveryNodes = value; + } + + public boolean getIncludeDiscoveryNodes() { + return includeDiscoveryNodes; + } + @Override public ActionRequestValidationException validate() { return null; diff --git a/server/src/main/java/org/opensearch/action/support/nodes/TransportNodesAction.java b/server/src/main/java/org/opensearch/action/support/nodes/TransportNodesAction.java index 9a1a28dd70636..3acd12f632e0f 100644 --- a/server/src/main/java/org/opensearch/action/support/nodes/TransportNodesAction.java +++ b/server/src/main/java/org/opensearch/action/support/nodes/TransportNodesAction.java @@ -226,6 +226,7 @@ class AsyncAction { private final NodesRequest request; private final ActionListener listener; private final AtomicReferenceArray responses; + private final DiscoveryNode[] concreteNodes; private final AtomicInteger counter = new AtomicInteger(); private final Task task; @@ -238,10 +239,18 @@ class AsyncAction { assert request.concreteNodes() != null; } this.responses = new AtomicReferenceArray<>(request.concreteNodes().length); + this.concreteNodes = request.concreteNodes(); + + if (request.getIncludeDiscoveryNodes() == false) { + // As we transfer the ownership of discovery nodes to route the request to into the AsyncAction class, we + // remove the list of DiscoveryNodes from the request. This reduces the payload of the request and improves + // the number of concrete nodes in the memory. + request.setConcreteNodes(null); + } } void start() { - final DiscoveryNode[] nodes = request.concreteNodes(); + final DiscoveryNode[] nodes = this.concreteNodes; if (nodes.length == 0) { // nothing to notify threadPool.generic().execute(() -> listener.onResponse(newResponse(request, responses))); @@ -260,7 +269,6 @@ void start() { if (task != null) { nodeRequest.setParentTask(clusterService.localNode().getId(), task.getId()); } - transportService.sendRequest( node, getTransportNodeAction(node), diff --git a/server/src/main/java/org/opensearch/rest/action/admin/cluster/RestClusterStatsAction.java b/server/src/main/java/org/opensearch/rest/action/admin/cluster/RestClusterStatsAction.java index 0766e838210fa..913db3c81e951 100644 --- a/server/src/main/java/org/opensearch/rest/action/admin/cluster/RestClusterStatsAction.java +++ b/server/src/main/java/org/opensearch/rest/action/admin/cluster/RestClusterStatsAction.java @@ -66,6 +66,7 @@ public String getName() { public RestChannelConsumer prepareRequest(final RestRequest request, final NodeClient client) throws IOException { ClusterStatsRequest clusterStatsRequest = new ClusterStatsRequest().nodesIds(request.paramAsStringArray("nodeId", null)); clusterStatsRequest.timeout(request.param("timeout")); + clusterStatsRequest.setIncludeDiscoveryNodes(false); return channel -> client.admin().cluster().clusterStats(clusterStatsRequest, new NodesResponseRestListener<>(channel)); } diff --git a/server/src/main/java/org/opensearch/rest/action/admin/cluster/RestNodesInfoAction.java b/server/src/main/java/org/opensearch/rest/action/admin/cluster/RestNodesInfoAction.java index 3b83bf9d6f68c..4ac51933ea382 100644 --- a/server/src/main/java/org/opensearch/rest/action/admin/cluster/RestNodesInfoAction.java +++ b/server/src/main/java/org/opensearch/rest/action/admin/cluster/RestNodesInfoAction.java @@ -88,7 +88,7 @@ public RestChannelConsumer prepareRequest(final RestRequest request, final NodeC final NodesInfoRequest nodesInfoRequest = prepareRequest(request); nodesInfoRequest.timeout(request.param("timeout")); settingsFilter.addFilterSettingParams(request); - + nodesInfoRequest.setIncludeDiscoveryNodes(false); return channel -> client.admin().cluster().nodesInfo(nodesInfoRequest, new NodesResponseRestListener<>(channel)); } diff --git a/server/src/main/java/org/opensearch/rest/action/admin/cluster/RestNodesStatsAction.java b/server/src/main/java/org/opensearch/rest/action/admin/cluster/RestNodesStatsAction.java index 267bfde576dec..ed9c0b171aa56 100644 --- a/server/src/main/java/org/opensearch/rest/action/admin/cluster/RestNodesStatsAction.java +++ b/server/src/main/java/org/opensearch/rest/action/admin/cluster/RestNodesStatsAction.java @@ -232,6 +232,7 @@ public RestChannelConsumer prepareRequest(final RestRequest request, final NodeC // If no levels are passed in this results in an empty array. String[] levels = Strings.splitStringByCommaToArray(request.param("level")); nodesStatsRequest.indices().setLevels(levels); + nodesStatsRequest.setIncludeDiscoveryNodes(false); return channel -> client.admin().cluster().nodesStats(nodesStatsRequest, new NodesResponseRestListener<>(channel)); } diff --git a/server/src/main/java/org/opensearch/rest/action/cat/RestNodesAction.java b/server/src/main/java/org/opensearch/rest/action/cat/RestNodesAction.java index bffb50cc63401..0330fe627ccd0 100644 --- a/server/src/main/java/org/opensearch/rest/action/cat/RestNodesAction.java +++ b/server/src/main/java/org/opensearch/rest/action/cat/RestNodesAction.java @@ -125,6 +125,7 @@ public RestChannelConsumer doCatRequest(final RestRequest request, final NodeCli public void processResponse(final ClusterStateResponse clusterStateResponse) { NodesInfoRequest nodesInfoRequest = new NodesInfoRequest(); nodesInfoRequest.timeout(request.param("timeout")); + nodesInfoRequest.setIncludeDiscoveryNodes(false); nodesInfoRequest.clear() .addMetrics( NodesInfoRequest.Metric.JVM.metricName(), @@ -137,6 +138,7 @@ public void processResponse(final ClusterStateResponse clusterStateResponse) { public void processResponse(final NodesInfoResponse nodesInfoResponse) { NodesStatsRequest nodesStatsRequest = new NodesStatsRequest(); nodesStatsRequest.timeout(request.param("timeout")); + nodesStatsRequest.setIncludeDiscoveryNodes(false); nodesStatsRequest.clear() .indices(true) .addMetrics( diff --git a/server/src/test/java/org/opensearch/action/RestStatsActionTests.java b/server/src/test/java/org/opensearch/action/RestStatsActionTests.java new file mode 100644 index 0000000000000..9b8a0640ee343 --- /dev/null +++ b/server/src/test/java/org/opensearch/action/RestStatsActionTests.java @@ -0,0 +1,59 @@ +/* + * 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; + +import org.opensearch.client.node.NodeClient; +import org.opensearch.common.settings.Settings; +import org.opensearch.common.settings.SettingsFilter; +import org.opensearch.rest.action.admin.cluster.RestClusterStatsAction; +import org.opensearch.rest.action.admin.cluster.RestNodesInfoAction; +import org.opensearch.rest.action.admin.cluster.RestNodesStatsAction; +import org.opensearch.test.OpenSearchTestCase; +import org.opensearch.test.rest.FakeRestRequest; +import org.opensearch.threadpool.TestThreadPool; +import org.junit.After; + +import java.util.Collections; + +public class RestStatsActionTests extends OpenSearchTestCase { + private final TestThreadPool threadPool = new TestThreadPool(RestStatsActionTests.class.getName()); + private final NodeClient client = new NodeClient(Settings.EMPTY, threadPool); + + @After + public void terminateThreadPool() { + terminate(threadPool); + } + + public void testClusterStatsActionPrepareRequestNoError() { + RestClusterStatsAction action = new RestClusterStatsAction(); + try { + action.prepareRequest(new FakeRestRequest(), client); + } catch (Throwable t) { + fail(t.getMessage()); + } + } + + public void testNodesStatsActionPrepareRequestNoError() { + RestNodesStatsAction action = new RestNodesStatsAction(); + try { + action.prepareRequest(new FakeRestRequest(), client); + } catch (Throwable t) { + fail(t.getMessage()); + } + } + + public void testNodesInfoActionPrepareRequestNoError() { + RestNodesInfoAction action = new RestNodesInfoAction(new SettingsFilter(Collections.singleton("foo.filtered"))); + try { + action.prepareRequest(new FakeRestRequest(), client); + } catch (Throwable t) { + fail(t.getMessage()); + } + } +} diff --git a/server/src/test/java/org/opensearch/action/support/nodes/TransportClusterStatsActionTests.java b/server/src/test/java/org/opensearch/action/support/nodes/TransportClusterStatsActionTests.java new file mode 100644 index 0000000000000..f8e14b477b8ef --- /dev/null +++ b/server/src/test/java/org/opensearch/action/support/nodes/TransportClusterStatsActionTests.java @@ -0,0 +1,165 @@ +/* + * 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; + +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.Collection; +import java.util.Collections; +import java.util.HashMap; +import java.util.List; +import java.util.Map; + +public class TransportClusterStatsActionTests extends TransportNodesActionTests { + + /** + * 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 testClusterStatsActionWithRetentionOfDiscoveryNodesList() { + ClusterStatsRequest request = new ClusterStatsRequest(); + request.setIncludeDiscoveryNodes(true); + Map> combinedSentRequest = performNodesInfoAction(request); + + assertNotNull(combinedSentRequest); + combinedSentRequest.forEach((node, capturedRequestList) -> { + assertNotNull(capturedRequestList); + capturedRequestList.forEach(sentRequest -> { + assertNotNull(sentRequest.getDiscoveryNodes()); + assertEquals(sentRequest.getDiscoveryNodes().length, clusterService.state().nodes().getSize()); + }); + }); + } + + public void testClusterStatsActionWithPreFilledConcreteNodesAndWithRetentionOfDiscoveryNodesList() { + ClusterStatsRequest request = new ClusterStatsRequest(); + Collection discoveryNodes = clusterService.state().getNodes().getNodes().values(); + request.setConcreteNodes(discoveryNodes.toArray(DiscoveryNode[]::new)); + Map> combinedSentRequest = performNodesInfoAction(request); + + assertNotNull(combinedSentRequest); + combinedSentRequest.forEach((node, capturedRequestList) -> { + assertNotNull(capturedRequestList); + capturedRequestList.forEach(sentRequest -> { + assertNotNull(sentRequest.getDiscoveryNodes()); + assertEquals(sentRequest.getDiscoveryNodes().length, clusterService.state().nodes().getSize()); + }); + }); + } + + /** + * In the optimized ClusterStats Request, we do not send the DiscoveryNodes List to each node. This behavior is + * asserted in this test. + */ + public void testClusterStatsActionWithoutRetentionOfDiscoveryNodesList() { + ClusterStatsRequest request = new ClusterStatsRequest(); + request.setIncludeDiscoveryNodes(false); + Map> combinedSentRequest = performNodesInfoAction(request); + + assertNotNull(combinedSentRequest); + combinedSentRequest.forEach((node, capturedRequestList) -> { + assertNotNull(capturedRequestList); + capturedRequestList.forEach(sentRequest -> { assertNull(sentRequest.getDiscoveryNodes()); }); + }); + } + + public void testClusterStatsActionWithPreFilledConcreteNodesAndWithoutRetentionOfDiscoveryNodesList() { + ClusterStatsRequest request = new ClusterStatsRequest(); + Collection discoveryNodes = clusterService.state().getNodes().getNodes().values(); + request.setConcreteNodes(discoveryNodes.toArray(DiscoveryNode[]::new)); + request.setIncludeDiscoveryNodes(false); + Map> combinedSentRequest = performNodesInfoAction(request); + + assertNotNull(combinedSentRequest); + combinedSentRequest.forEach((node, capturedRequestList) -> { + assertNotNull(capturedRequestList); + capturedRequestList.forEach(sentRequest -> { assertNull(sentRequest.getDiscoveryNodes()); }); + }); + } + + private Map> performNodesInfoAction(ClusterStatsRequest request) { + TransportNodesAction action = getTestTransportClusterStatsAction(); + PlainActionFuture listener = new PlainActionFuture<>(); + action.new AsyncAction(null, request, listener).start(); + Map> capturedRequests = transport.getCapturedRequestsByTargetNodeAndClear(); + Map> combinedSentRequest = new HashMap<>(); + + capturedRequests.forEach((node, capturedRequestList) -> { + List sentRequestList = new ArrayList<>(); + + 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); + } + }); + + combinedSentRequest.put(node, sentRequestList); + }); + + return combinedSentRequest; + } + + private TestTransportClusterStatsAction getTestTransportClusterStatsAction() { + return new TestTransportClusterStatsAction( + THREAD_POOL, + clusterService, + transportService, + nodeService, + indicesService, + new ActionFilters(Collections.emptySet()) + ); + } + + 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); + } + } + + private static class MockClusterStatsNodeRequest extends TransportClusterStatsAction.ClusterStatsNodeRequest { + + public MockClusterStatsNodeRequest(StreamInput in) throws IOException { + super(in); + } + + public DiscoveryNode[] getDiscoveryNodes() { + return this.request.concreteNodes(); + } + } +} diff --git a/server/src/test/java/org/opensearch/action/support/nodes/TransportNodesActionTests.java b/server/src/test/java/org/opensearch/action/support/nodes/TransportNodesActionTests.java index 445934b0ccdfd..7e968aa8fb199 100644 --- a/server/src/test/java/org/opensearch/action/support/nodes/TransportNodesActionTests.java +++ b/server/src/test/java/org/opensearch/action/support/nodes/TransportNodesActionTests.java @@ -46,6 +46,8 @@ import org.opensearch.core.common.io.stream.StreamInput; import org.opensearch.core.common.io.stream.StreamOutput; import org.opensearch.core.common.io.stream.Writeable; +import org.opensearch.indices.IndicesService; +import org.opensearch.node.NodeService; import org.opensearch.telemetry.tracing.noop.NoopTracer; import org.opensearch.test.OpenSearchTestCase; import org.opensearch.test.transport.CapturingTransport; @@ -76,11 +78,12 @@ public class TransportNodesActionTests extends OpenSearchTestCase { - private static ThreadPool THREAD_POOL; - - private ClusterService clusterService; - private CapturingTransport transport; - private TransportService transportService; + protected static ThreadPool THREAD_POOL; + protected ClusterService clusterService; + protected CapturingTransport transport; + protected TransportService transportService; + protected NodeService nodeService; + protected IndicesService indicesService; public void testRequestIsSentToEachNode() throws Exception { TransportNodesAction action = getTestTransportNodesAction(); diff --git a/server/src/test/java/org/opensearch/action/support/nodes/TransportNodesInfoActionTests.java b/server/src/test/java/org/opensearch/action/support/nodes/TransportNodesInfoActionTests.java new file mode 100644 index 0000000000000..e9e09d0dbbbf9 --- /dev/null +++ b/server/src/test/java/org/opensearch/action/support/nodes/TransportNodesInfoActionTests.java @@ -0,0 +1,131 @@ +/* + * 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; + +import org.opensearch.action.admin.cluster.node.info.NodesInfoRequest; +import org.opensearch.action.admin.cluster.node.info.TransportNodesInfoAction; +import org.opensearch.action.admin.cluster.node.stats.NodesStatsRequest; +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.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; + +public class TransportNodesInfoActionTests extends TransportNodesActionTests { + + /** + * 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 testNodesInfoActionWithRetentionOfDiscoveryNodesList() { + NodesInfoRequest request = new NodesInfoRequest(); + request.setIncludeDiscoveryNodes(true); + Map> combinedSentRequest = performNodesInfoAction(request); + + assertNotNull(combinedSentRequest); + combinedSentRequest.forEach((node, capturedRequestList) -> { + assertNotNull(capturedRequestList); + capturedRequestList.forEach(sentRequest -> { + assertNotNull(sentRequest.getDiscoveryNodes()); + assertEquals(sentRequest.getDiscoveryNodes().length, clusterService.state().nodes().getSize()); + }); + }); + } + + /** + * In the optimized ClusterStats Request, we do not send the DiscoveryNodes List to each node. This behavior is + * asserted in this test. + */ + public void testNodesInfoActionWithoutRetentionOfDiscoveryNodesList() { + NodesInfoRequest request = new NodesInfoRequest(); + request.setIncludeDiscoveryNodes(false); + Map> combinedSentRequest = performNodesInfoAction(request); + + assertNotNull(combinedSentRequest); + combinedSentRequest.forEach((node, capturedRequestList) -> { + assertNotNull(capturedRequestList); + capturedRequestList.forEach(sentRequest -> { assertNull(sentRequest.getDiscoveryNodes()); }); + }); + } + + private Map> performNodesInfoAction(NodesInfoRequest request) { + TransportNodesAction action = getTestTransportNodesInfoAction(); + PlainActionFuture listener = new PlainActionFuture<>(); + action.new AsyncAction(null, request, listener).start(); + Map> capturedRequests = transport.getCapturedRequestsByTargetNodeAndClear(); + Map> combinedSentRequest = new HashMap<>(); + + capturedRequests.forEach((node, capturedRequestList) -> { + List sentRequestList = new ArrayList<>(); + + capturedRequestList.forEach(preSentRequest -> { + BytesStreamOutput out = new BytesStreamOutput(); + try { + TransportNodesInfoAction.NodeInfoRequest nodesInfoRequestFromCoordinator = + (TransportNodesInfoAction.NodeInfoRequest) preSentRequest.request; + nodesInfoRequestFromCoordinator.writeTo(out); + StreamInput in = out.bytes().streamInput(); + MockNodesInfoRequest nodesStatsRequest = new MockNodesInfoRequest(in); + sentRequestList.add(nodesStatsRequest); + } catch (IOException e) { + throw new RuntimeException(e); + } + }); + + combinedSentRequest.put(node, sentRequestList); + }); + + return combinedSentRequest; + } + + private TestTransportNodesInfoAction getTestTransportNodesInfoAction() { + return new TestTransportNodesInfoAction( + THREAD_POOL, + clusterService, + transportService, + nodeService, + new ActionFilters(Collections.emptySet()) + ); + } + + private static class TestTransportNodesInfoAction extends TransportNodesInfoAction { + public TestTransportNodesInfoAction( + ThreadPool threadPool, + ClusterService clusterService, + TransportService transportService, + NodeService nodeService, + ActionFilters actionFilters + ) { + super(threadPool, clusterService, transportService, nodeService, actionFilters); + } + } + + private static class MockNodesInfoRequest extends TransportNodesInfoAction.NodeInfoRequest { + + public MockNodesInfoRequest(StreamInput in) throws IOException { + super(in); + } + + public DiscoveryNode[] getDiscoveryNodes() { + return this.request.concreteNodes(); + } + } +} diff --git a/server/src/test/java/org/opensearch/action/support/nodes/TransportNodesStatsActionTests.java b/server/src/test/java/org/opensearch/action/support/nodes/TransportNodesStatsActionTests.java new file mode 100644 index 0000000000000..c7c420e353e1a --- /dev/null +++ b/server/src/test/java/org/opensearch/action/support/nodes/TransportNodesStatsActionTests.java @@ -0,0 +1,130 @@ +/* + * 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; + +import org.opensearch.action.admin.cluster.node.stats.NodesStatsRequest; +import org.opensearch.action.admin.cluster.node.stats.TransportNodesStatsAction; +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.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; + +public class TransportNodesStatsActionTests extends TransportNodesActionTests { + + /** + * 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 testNodesStatsActionWithRetentionOfDiscoveryNodesList() { + NodesStatsRequest request = new NodesStatsRequest(); + request.setIncludeDiscoveryNodes(true); + Map> combinedSentRequest = performNodesStatsAction(request); + + assertNotNull(combinedSentRequest); + combinedSentRequest.forEach((node, capturedRequestList) -> { + assertNotNull(capturedRequestList); + capturedRequestList.forEach(sentRequest -> { + assertNotNull(sentRequest.getDiscoveryNodes()); + assertEquals(sentRequest.getDiscoveryNodes().length, clusterService.state().nodes().getSize()); + }); + }); + } + + /** + * 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 testNodesStatsActionWithoutRetentionOfDiscoveryNodesList() { + NodesStatsRequest request = new NodesStatsRequest(); + request.setIncludeDiscoveryNodes(false); + Map> combinedSentRequest = performNodesStatsAction(request); + + assertNotNull(combinedSentRequest); + combinedSentRequest.forEach((node, capturedRequestList) -> { + assertNotNull(capturedRequestList); + capturedRequestList.forEach(sentRequest -> { assertNull(sentRequest.getDiscoveryNodes()); }); + }); + } + + private Map> performNodesStatsAction(NodesStatsRequest request) { + TransportNodesAction action = getTestTransportNodesStatsAction(); + PlainActionFuture listener = new PlainActionFuture<>(); + action.new AsyncAction(null, request, listener).start(); + Map> capturedRequests = transport.getCapturedRequestsByTargetNodeAndClear(); + Map> combinedSentRequest = new HashMap<>(); + + capturedRequests.forEach((node, capturedRequestList) -> { + List sentRequestList = new ArrayList<>(); + + capturedRequestList.forEach(preSentRequest -> { + BytesStreamOutput out = new BytesStreamOutput(); + try { + TransportNodesStatsAction.NodeStatsRequest nodesStatsRequestFromCoordinator = + (TransportNodesStatsAction.NodeStatsRequest) preSentRequest.request; + nodesStatsRequestFromCoordinator.writeTo(out); + StreamInput in = out.bytes().streamInput(); + MockNodeStatsRequest nodesStatsRequest = new MockNodeStatsRequest(in); + sentRequestList.add(nodesStatsRequest); + } catch (IOException e) { + throw new RuntimeException(e); + } + }); + + combinedSentRequest.put(node, sentRequestList); + }); + + return combinedSentRequest; + } + + private TestTransportNodesStatsAction getTestTransportNodesStatsAction() { + return new TestTransportNodesStatsAction( + THREAD_POOL, + clusterService, + transportService, + nodeService, + new ActionFilters(Collections.emptySet()) + ); + } + + private static class TestTransportNodesStatsAction extends TransportNodesStatsAction { + public TestTransportNodesStatsAction( + ThreadPool threadPool, + ClusterService clusterService, + TransportService transportService, + NodeService nodeService, + ActionFilters actionFilters + ) { + super(threadPool, clusterService, transportService, nodeService, actionFilters); + } + } + + private static class MockNodeStatsRequest extends TransportNodesStatsAction.NodeStatsRequest { + + public MockNodeStatsRequest(StreamInput in) throws IOException { + super(in); + } + + public DiscoveryNode[] getDiscoveryNodes() { + return this.request.concreteNodes(); + } + } +}