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Support cancellation for admin apis (opensearch-project#13966)
* Support cancellation for admin apis - add implementation for _cat/shards Signed-off-by: Somesh Gupta <someshgupta987@gmail.com>
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129 changes: 129 additions & 0 deletions
129
...usterTest/java/org/opensearch/action/admin/cluster/shards/TransportCatShardsActionIT.java
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|---|---|---|
| @@ -0,0 +1,129 @@ | ||
| /* | ||
| * 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.admin.cluster.shards; | ||
|
|
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| import org.opensearch.action.admin.cluster.state.ClusterStateResponse; | ||
| import org.opensearch.action.admin.indices.stats.IndicesStatsResponse; | ||
| import org.opensearch.cluster.metadata.IndexMetadata; | ||
| import org.opensearch.cluster.routing.ShardRouting; | ||
| import org.opensearch.common.settings.Settings; | ||
| import org.opensearch.common.unit.TimeValue; | ||
| import org.opensearch.core.action.ActionListener; | ||
| import org.opensearch.core.common.Strings; | ||
| import org.opensearch.core.tasks.TaskCancelledException; | ||
| import org.opensearch.test.InternalTestCluster; | ||
| import org.opensearch.test.OpenSearchIntegTestCase; | ||
|
|
||
| import java.io.IOException; | ||
| import java.util.List; | ||
| import java.util.concurrent.CountDownLatch; | ||
|
|
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| import static org.opensearch.cluster.routing.UnassignedInfo.INDEX_DELAYED_NODE_LEFT_TIMEOUT_SETTING; | ||
| import static org.opensearch.common.unit.TimeValue.timeValueMillis; | ||
| import static org.opensearch.search.SearchService.NO_TIMEOUT; | ||
|
|
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| @OpenSearchIntegTestCase.ClusterScope(numDataNodes = 0, scope = OpenSearchIntegTestCase.Scope.TEST) | ||
| public class TransportCatShardsActionIT extends OpenSearchIntegTestCase { | ||
|
|
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| public void testCatShardsWithSuccessResponse() throws InterruptedException { | ||
| internalCluster().startClusterManagerOnlyNodes(1); | ||
| List<String> nodes = internalCluster().startDataOnlyNodes(3); | ||
| createIndex( | ||
| "test", | ||
| Settings.builder() | ||
| .put(IndexMetadata.SETTING_NUMBER_OF_SHARDS, 1) | ||
| .put(IndexMetadata.SETTING_NUMBER_OF_REPLICAS, 2) | ||
| .put(INDEX_DELAYED_NODE_LEFT_TIMEOUT_SETTING.getKey(), "60m") | ||
| .build() | ||
| ); | ||
| ensureGreen("test"); | ||
|
|
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| final CatShardsRequest shardsRequest = new CatShardsRequest(); | ||
| shardsRequest.setCancelAfterTimeInterval(NO_TIMEOUT); | ||
| shardsRequest.setIndices(Strings.EMPTY_ARRAY); | ||
| CountDownLatch latch = new CountDownLatch(1); | ||
| client().execute(CatShardsAction.INSTANCE, shardsRequest, new ActionListener<CatShardsResponse>() { | ||
| @Override | ||
| public void onResponse(CatShardsResponse catShardsResponse) { | ||
| ClusterStateResponse clusterStateResponse = catShardsResponse.getClusterStateResponse(); | ||
| IndicesStatsResponse indicesStatsResponse = catShardsResponse.getIndicesStatsResponse(); | ||
| for (ShardRouting shard : clusterStateResponse.getState().routingTable().allShards()) { | ||
| assertEquals("test", shard.getIndexName()); | ||
| assertNotNull(indicesStatsResponse.asMap().get(shard)); | ||
| } | ||
| latch.countDown(); | ||
| } | ||
|
|
||
| @Override | ||
| public void onFailure(Exception e) { | ||
| fail(); | ||
| latch.countDown(); | ||
| } | ||
| }); | ||
| latch.await(); | ||
| } | ||
|
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| public void testCatShardsWithTimeoutException() throws IOException, AssertionError, InterruptedException { | ||
| List<String> masterNodes = internalCluster().startClusterManagerOnlyNodes(1); | ||
| List<String> nodes = internalCluster().startDataOnlyNodes(3); | ||
| createIndex( | ||
| "test", | ||
| Settings.builder() | ||
| .put(IndexMetadata.SETTING_NUMBER_OF_SHARDS, 1) | ||
| .put(IndexMetadata.SETTING_NUMBER_OF_REPLICAS, 2) | ||
| .put(INDEX_DELAYED_NODE_LEFT_TIMEOUT_SETTING.getKey(), "60m") | ||
| .build() | ||
| ); | ||
| ensureGreen("test"); | ||
|
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| Settings clusterManagerDataPathSettings = internalCluster().dataPathSettings(masterNodes.get(0)); | ||
| // Dropping master node to delay in cluster state call. | ||
| internalCluster().stopRandomNode(InternalTestCluster.nameFilter(masterNodes.get(0))); | ||
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| CountDownLatch latch = new CountDownLatch(2); | ||
| new Thread(() -> { | ||
| try { | ||
| // Ensures the cancellation timeout expires. | ||
| Thread.sleep(2000); | ||
| // Starting master node to proceed in cluster state call. | ||
| internalCluster().startClusterManagerOnlyNode( | ||
| Settings.builder().put("node.name", masterNodes.get(0)).put(clusterManagerDataPathSettings).build() | ||
| ); | ||
| latch.countDown(); | ||
| } catch (InterruptedException e) { | ||
| throw new RuntimeException(e); | ||
| } | ||
| }).start(); | ||
|
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| final CatShardsRequest shardsRequest = new CatShardsRequest(); | ||
| TimeValue timeoutInterval = timeValueMillis(1000); | ||
| shardsRequest.setCancelAfterTimeInterval(timeoutInterval); | ||
| shardsRequest.clusterManagerNodeTimeout(timeValueMillis(2500)); | ||
| shardsRequest.setIndices(Strings.EMPTY_ARRAY); | ||
| client().execute(CatShardsAction.INSTANCE, shardsRequest, new ActionListener<CatShardsResponse>() { | ||
| @Override | ||
| public void onResponse(CatShardsResponse catShardsResponse) { | ||
| // onResponse should not be called. | ||
| latch.countDown(); | ||
| throw new AssertionError( | ||
| "The cat shards action is expected to fail with a TaskCancelledException, but it received a successful response instead." | ||
| ); | ||
| } | ||
|
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| @Override | ||
| public void onFailure(Exception e) { | ||
| assertSame(e.getClass(), TaskCancelledException.class); | ||
| assertEquals(e.getMessage(), "Cancellation timeout of " + timeoutInterval + " is expired"); | ||
| latch.countDown(); | ||
| } | ||
| }); | ||
| latch.await(); | ||
| } | ||
|
|
||
| } |
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25 changes: 25 additions & 0 deletions
25
server/src/main/java/org/opensearch/action/admin/cluster/shards/CatShardsAction.java
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| @@ -0,0 +1,25 @@ | ||
| /* | ||
| * 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. | ||
| */ | ||
|
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| package org.opensearch.action.admin.cluster.shards; | ||
|
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| import org.opensearch.action.ActionType; | ||
|
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| /** | ||
| * Transport action for cat shards | ||
| * | ||
| * @opensearch.internal | ||
| */ | ||
| public class CatShardsAction extends ActionType<CatShardsResponse> { | ||
| public static final CatShardsAction INSTANCE = new CatShardsAction(); | ||
| public static final String NAME = "cluster:monitor/shards"; | ||
|
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| private CatShardsAction() { | ||
| super(NAME, CatShardsResponse::new); | ||
| } | ||
| } |
62 changes: 62 additions & 0 deletions
62
server/src/main/java/org/opensearch/action/admin/cluster/shards/CatShardsRequest.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,62 @@ | ||
| /* | ||
| * 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. | ||
| */ | ||
|
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| package org.opensearch.action.admin.cluster.shards; | ||
|
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| import org.opensearch.action.ActionRequestValidationException; | ||
| import org.opensearch.action.support.clustermanager.ClusterManagerNodeReadRequest; | ||
| import org.opensearch.common.unit.TimeValue; | ||
| import org.opensearch.core.common.io.stream.StreamInput; | ||
| import org.opensearch.core.tasks.TaskId; | ||
| import org.opensearch.rest.action.admin.cluster.ClusterAdminTask; | ||
|
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| import java.io.IOException; | ||
| import java.util.Map; | ||
|
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| /** | ||
| * A request of _cat/shards. | ||
| * | ||
| * @opensearch.api | ||
| */ | ||
| public class CatShardsRequest extends ClusterManagerNodeReadRequest<CatShardsRequest> { | ||
|
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| private String[] indices; | ||
| private TimeValue cancelAfterTimeInterval; | ||
|
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| public CatShardsRequest() {} | ||
|
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| public CatShardsRequest(StreamInput in) throws IOException { | ||
| super(in); | ||
| } | ||
|
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| @Override | ||
| public ActionRequestValidationException validate() { | ||
| return null; | ||
| } | ||
|
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| public void setIndices(String[] indices) { | ||
| this.indices = indices; | ||
| } | ||
|
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| public String[] getIndices() { | ||
| return this.indices; | ||
| } | ||
|
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| public void setCancelAfterTimeInterval(TimeValue timeout) { | ||
| this.cancelAfterTimeInterval = timeout; | ||
| } | ||
|
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| public TimeValue getCancelAfterTimeInterval() { | ||
| return this.cancelAfterTimeInterval; | ||
| } | ||
|
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| @Override | ||
| public ClusterAdminTask createTask(long id, String type, String action, TaskId parentTaskId, Map<String, String> headers) { | ||
| return new ClusterAdminTask(id, type, action, parentTaskId, headers, this.cancelAfterTimeInterval); | ||
| } | ||
| } |
57 changes: 57 additions & 0 deletions
57
server/src/main/java/org/opensearch/action/admin/cluster/shards/CatShardsResponse.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,57 @@ | ||
| /* | ||
| * 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.admin.cluster.shards; | ||
|
|
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| import org.opensearch.action.admin.cluster.state.ClusterStateResponse; | ||
| import org.opensearch.action.admin.indices.stats.IndicesStatsResponse; | ||
| import org.opensearch.core.action.ActionResponse; | ||
| import org.opensearch.core.common.io.stream.StreamInput; | ||
| import org.opensearch.core.common.io.stream.StreamOutput; | ||
|
|
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| import java.io.IOException; | ||
|
|
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| /** | ||
| * A response of a cat shards request. | ||
| * | ||
| * @opensearch.api | ||
| */ | ||
| public class CatShardsResponse extends ActionResponse { | ||
|
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| private ClusterStateResponse clusterStateResponse = null; | ||
|
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| private IndicesStatsResponse indicesStatsResponse = null; | ||
|
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| public CatShardsResponse() {} | ||
|
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| public CatShardsResponse(StreamInput in) throws IOException { | ||
| super(in); | ||
| } | ||
|
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| @Override | ||
| public void writeTo(StreamOutput out) throws IOException { | ||
| clusterStateResponse.writeTo(out); | ||
| indicesStatsResponse.writeTo(out); | ||
| } | ||
|
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| public void setClusterStateResponse(ClusterStateResponse clusterStateResponse) { | ||
| this.clusterStateResponse = clusterStateResponse; | ||
| } | ||
|
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| public ClusterStateResponse getClusterStateResponse() { | ||
| return this.clusterStateResponse; | ||
| } | ||
|
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| public void setIndicesStatsResponse(IndicesStatsResponse indicesStatsResponse) { | ||
| this.indicesStatsResponse = indicesStatsResponse; | ||
| } | ||
|
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| public IndicesStatsResponse getIndicesStatsResponse() { | ||
| return this.indicesStatsResponse; | ||
| } | ||
| } |
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