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Support cancellation for admin apis (#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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/* | ||
* 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.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; | ||
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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(); | ||
} | ||
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@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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} |
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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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/* | ||
* 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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/* | ||
* 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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@@ -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. | ||
*/ | ||
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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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