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[7.x] Data Stream Stats API (elastic#58707) (elastic#59566)
This API reports on statistics important for data streams, including the number of data streams, the number of backing indices for those streams, the disk usage for each data stream, and the maximum timestamp for each data stream
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46 changes: 46 additions & 0 deletions
46
...st-high-level/src/main/java/org/elasticsearch/client/indices/DataStreamsStatsRequest.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,46 @@ | ||
| /* | ||
| * 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. | ||
| */ | ||
|
|
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| package org.elasticsearch.client.indices; | ||
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| import org.elasticsearch.action.support.IndicesOptions; | ||
| import org.elasticsearch.client.Validatable; | ||
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| public class DataStreamsStatsRequest implements Validatable { | ||
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| private final String[] indices; | ||
| private IndicesOptions indicesOptions = IndicesOptions.fromOptions(false, false, true, true); | ||
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| public DataStreamsStatsRequest(String... indices) { | ||
| this.indices = indices; | ||
| } | ||
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| public String[] indices() { | ||
| return indices; | ||
| } | ||
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| public IndicesOptions indicesOptions() { | ||
| return indicesOptions; | ||
| } | ||
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| public DataStreamsStatsRequest indicesOptions(IndicesOptions indicesOptions) { | ||
| this.indicesOptions = indicesOptions; | ||
| return this; | ||
| } | ||
| } |
208 changes: 208 additions & 0 deletions
208
...t-high-level/src/main/java/org/elasticsearch/client/indices/DataStreamsStatsResponse.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,208 @@ | ||
| /* | ||
| * 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. | ||
| */ | ||
|
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| package org.elasticsearch.client.indices; | ||
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| import org.elasticsearch.client.core.BroadcastResponse; | ||
| import org.elasticsearch.common.ParseField; | ||
| import org.elasticsearch.common.unit.ByteSizeValue; | ||
| import org.elasticsearch.common.xcontent.ConstructingObjectParser; | ||
| import org.elasticsearch.common.xcontent.ObjectParser; | ||
| import org.elasticsearch.common.xcontent.XContentParser; | ||
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| import java.io.IOException; | ||
| import java.util.HashMap; | ||
| import java.util.List; | ||
| import java.util.Map; | ||
| import java.util.Objects; | ||
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| import static org.elasticsearch.common.xcontent.ConstructingObjectParser.constructorArg; | ||
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| public class DataStreamsStatsResponse extends BroadcastResponse { | ||
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| private final int dataStreamCount; | ||
| private final int backingIndices; | ||
| private final ByteSizeValue totalStoreSize; | ||
| private final Map<String, DataStreamStats> dataStreams; | ||
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| protected DataStreamsStatsResponse(Shards shards, int dataStreamCount, int backingIndices, ByteSizeValue totalStoreSize, | ||
| Map<String, DataStreamStats> dataStreams) { | ||
| super(shards); | ||
| this.dataStreamCount = dataStreamCount; | ||
| this.backingIndices = backingIndices; | ||
| this.totalStoreSize = totalStoreSize; | ||
| this.dataStreams = dataStreams; | ||
| } | ||
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| private static final ParseField DATA_STREAM_COUNT = new ParseField("data_stream_count"); | ||
| private static final ParseField BACKING_INDICES = new ParseField("backing_indices"); | ||
| private static final ParseField TOTAL_STORE_SIZE_BYTES = new ParseField("total_store_size_bytes"); | ||
| private static final ParseField DATA_STREAMS = new ParseField("data_streams"); | ||
| private static final ParseField DATA_STREAM = new ParseField("data_stream"); | ||
| private static final ParseField STORE_SIZE_BYTES = new ParseField("store_size_bytes"); | ||
| private static final ParseField MAXIMUM_TIMESTAMP = new ParseField("maximum_timestamp"); | ||
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| @SuppressWarnings("unchecked") | ||
| private static final ConstructingObjectParser<DataStreamsStatsResponse, Void> PARSER = new ConstructingObjectParser<>( | ||
| "data_streams_stats", true, arg -> { | ||
| Shards shards = (Shards) arg[0]; | ||
| Integer dataStreamCount = ((Integer) arg[1]); | ||
| Integer backingIndices = ((Integer) arg[2]); | ||
| ByteSizeValue totalStoreSize = ((ByteSizeValue) arg[3]); | ||
| Map<String, DataStreamStats> dataStreams = new HashMap<>(); | ||
| for (DataStreamStats dataStreamStats : ((List<DataStreamStats>) arg[4])) { | ||
| dataStreams.put(dataStreamStats.dataStream, dataStreamStats); | ||
| } | ||
| return new DataStreamsStatsResponse(shards, dataStreamCount, backingIndices, totalStoreSize, dataStreams); | ||
| }); | ||
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| private static final ConstructingObjectParser<DataStreamStats, Void> ENTRY_PARSER = new ConstructingObjectParser<>( | ||
| "data_streams_stats.entry", true, arg -> { | ||
| String dataStream = ((String) arg[0]); | ||
| Integer backingIndices = ((Integer) arg[1]); | ||
| ByteSizeValue storeSize = ((ByteSizeValue) arg[2]); | ||
| Long maximumTimestamp = ((Long) arg[3]); | ||
| return new DataStreamStats(dataStream, backingIndices, storeSize, maximumTimestamp); | ||
| }); | ||
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| static { | ||
| declareShardsField(PARSER); | ||
| PARSER.declareInt(constructorArg(), DATA_STREAM_COUNT); | ||
| PARSER.declareInt(constructorArg(), BACKING_INDICES); | ||
| PARSER.declareField(constructorArg(), (p, c) -> new ByteSizeValue(p.longValue()), TOTAL_STORE_SIZE_BYTES, | ||
| ObjectParser.ValueType.VALUE); | ||
| PARSER.declareObjectArray(constructorArg(), ENTRY_PARSER, DATA_STREAMS); | ||
| ENTRY_PARSER.declareString(constructorArg(), DATA_STREAM); | ||
| ENTRY_PARSER.declareInt(constructorArg(), BACKING_INDICES); | ||
| ENTRY_PARSER.declareField(constructorArg(), (p, c) -> new ByteSizeValue(p.longValue()), STORE_SIZE_BYTES, | ||
| ObjectParser.ValueType.VALUE); | ||
| ENTRY_PARSER.declareLong(constructorArg(), MAXIMUM_TIMESTAMP); | ||
| } | ||
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| public static DataStreamsStatsResponse fromXContent(final XContentParser parser) throws IOException { | ||
| return PARSER.apply(parser, null); | ||
| } | ||
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| public int getDataStreamCount() { | ||
| return dataStreamCount; | ||
| } | ||
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| public int getBackingIndices() { | ||
| return backingIndices; | ||
| } | ||
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| public ByteSizeValue getTotalStoreSize() { | ||
| return totalStoreSize; | ||
| } | ||
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| public Map<String, DataStreamStats> getDataStreams() { | ||
| return dataStreams; | ||
| } | ||
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| @Override | ||
| public boolean equals(Object obj) { | ||
| if (this == obj) { | ||
| return true; | ||
| } | ||
| if (obj == null || getClass() != obj.getClass()) { | ||
| return false; | ||
| } | ||
| DataStreamsStatsResponse that = (DataStreamsStatsResponse) obj; | ||
| return dataStreamCount == that.dataStreamCount && | ||
| backingIndices == that.backingIndices && | ||
| Objects.equals(totalStoreSize, that.totalStoreSize) && | ||
| Objects.equals(dataStreams, that.dataStreams); | ||
| } | ||
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| @Override | ||
| public int hashCode() { | ||
| return Objects.hash(dataStreamCount, backingIndices, totalStoreSize, dataStreams); | ||
| } | ||
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| @Override | ||
| public String toString() { | ||
| return "DataStreamsStatsResponse{" + | ||
| "dataStreamCount=" + dataStreamCount + | ||
| ", backingIndices=" + backingIndices + | ||
| ", totalStoreSize=" + totalStoreSize + | ||
| ", dataStreams=" + dataStreams + | ||
| '}'; | ||
| } | ||
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| public static class DataStreamStats { | ||
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| private final String dataStream; | ||
| private final int backingIndices; | ||
| private final ByteSizeValue storeSize; | ||
| private final long maximumTimestamp; | ||
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| public DataStreamStats(String dataStream, int backingIndices, ByteSizeValue storeSize, long maximumTimestamp) { | ||
| this.dataStream = dataStream; | ||
| this.backingIndices = backingIndices; | ||
| this.storeSize = storeSize; | ||
| this.maximumTimestamp = maximumTimestamp; | ||
| } | ||
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| public String getDataStream() { | ||
| return dataStream; | ||
| } | ||
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| public int getBackingIndices() { | ||
| return backingIndices; | ||
| } | ||
|
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| public ByteSizeValue getStoreSize() { | ||
| return storeSize; | ||
| } | ||
|
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| public long getMaximumTimestamp() { | ||
| return maximumTimestamp; | ||
| } | ||
|
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| @Override | ||
| public boolean equals(Object obj) { | ||
| if (this == obj) { | ||
| return true; | ||
| } | ||
| if (obj == null || getClass() != obj.getClass()) { | ||
| return false; | ||
| } | ||
| DataStreamStats that = (DataStreamStats) obj; | ||
| return backingIndices == that.backingIndices && | ||
| maximumTimestamp == that.maximumTimestamp && | ||
| Objects.equals(dataStream, that.dataStream) && | ||
| Objects.equals(storeSize, that.storeSize); | ||
| } | ||
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| @Override | ||
| public int hashCode() { | ||
| return Objects.hash(dataStream, backingIndices, storeSize, maximumTimestamp); | ||
| } | ||
|
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| @Override | ||
| public String toString() { | ||
| return "DataStreamStats{" + | ||
| "dataStream='" + dataStream + '\'' + | ||
| ", backingIndices=" + backingIndices + | ||
| ", storeSize=" + storeSize + | ||
| ", maximumTimestamp=" + maximumTimestamp + | ||
| '}'; | ||
| } | ||
| } | ||
| } |
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