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Elasticsearch subproject :server
/*
* 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.
*/
package org.elasticsearch.ingest;
import org.elasticsearch.Version;
import org.elasticsearch.common.io.stream.StreamInput;
import org.elasticsearch.common.io.stream.StreamOutput;
import org.elasticsearch.common.io.stream.Writeable;
import org.elasticsearch.common.unit.TimeValue;
import org.elasticsearch.common.xcontent.ToXContentFragment;
import org.elasticsearch.common.xcontent.XContentBuilder;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.concurrent.TimeUnit;
public class IngestStats implements Writeable, ToXContentFragment {
private final Stats totalStats;
private final List pipelineStats;
private final Map> processorStats;
/**
* @param totalStats - The total stats for Ingest. This is the logically the sum of all pipeline stats,
* and pipeline stats are logically the sum of the processor stats.
* @param pipelineStats - The stats for a given ingest pipeline.
* @param processorStats - The per-processor stats for a given pipeline. A map keyed by the pipeline identifier.
*/
public IngestStats(Stats totalStats, List pipelineStats, Map> processorStats) {
this.totalStats = totalStats;
this.pipelineStats = pipelineStats;
this.processorStats = processorStats;
}
/**
* Read from a stream.
*/
public IngestStats(StreamInput in) throws IOException {
this.totalStats = new Stats(in);
int size = in.readVInt();
this.pipelineStats = new ArrayList<>(size);
this.processorStats = new HashMap<>(size);
for (int i = 0; i < size; i++) {
String pipelineId = in.readString();
Stats pipelineStat = new Stats(in);
this.pipelineStats.add(new PipelineStat(pipelineId, pipelineStat));
if (in.getVersion().onOrAfter(Version.V_6_5_0)) {
int processorsSize = in.readVInt();
List processorStatsPerPipeline = new ArrayList<>(processorsSize);
for (int j = 0; j < processorsSize; j++) {
String processorName = in.readString();
Stats processorStat = new Stats(in);
processorStatsPerPipeline.add(new ProcessorStat(processorName, processorStat));
}
this.processorStats.put(pipelineId, processorStatsPerPipeline);
}
}
}
@Override
public void writeTo(StreamOutput out) throws IOException {
totalStats.writeTo(out);
out.writeVInt(pipelineStats.size());
for (PipelineStat pipelineStat : pipelineStats) {
out.writeString(pipelineStat.getPipelineId());
pipelineStat.getStats().writeTo(out);
if (out.getVersion().onOrAfter(Version.V_6_5_0)) {
List processorStatsForPipeline = processorStats.get(pipelineStat.getPipelineId());
if (processorStatsForPipeline == null) {
out.writeVInt(0);
} else {
out.writeVInt(processorStatsForPipeline.size());
for (ProcessorStat processorStat : processorStatsForPipeline) {
out.writeString(processorStat.getName());
processorStat.getStats().writeTo(out);
}
}
}
}
}
@Override
public XContentBuilder toXContent(XContentBuilder builder, Params params) throws IOException {
builder.startObject("ingest");
builder.startObject("total");
totalStats.toXContent(builder, params);
builder.endObject();
builder.startObject("pipelines");
for (PipelineStat pipelineStat : pipelineStats) {
builder.startObject(pipelineStat.getPipelineId());
pipelineStat.getStats().toXContent(builder, params);
List processorStatsForPipeline = processorStats.get(pipelineStat.getPipelineId());
builder.startArray("processors");
if (processorStatsForPipeline != null) {
for (ProcessorStat processorStat : processorStatsForPipeline) {
builder.startObject();
builder.startObject(processorStat.getName());
processorStat.getStats().toXContent(builder, params);
builder.endObject();
builder.endObject();
}
}
builder.endArray();
builder.endObject();
}
builder.endObject();
builder.endObject();
return builder;
}
public Stats getTotalStats() {
return totalStats;
}
public List getPipelineStats() {
return pipelineStats;
}
public Map> getProcessorStats() {
return processorStats;
}
public static class Stats implements Writeable, ToXContentFragment {
private final long ingestCount;
private final long ingestTimeInMillis;
private final long ingestCurrent;
private final long ingestFailedCount;
public Stats(long ingestCount, long ingestTimeInMillis, long ingestCurrent, long ingestFailedCount) {
this.ingestCount = ingestCount;
this.ingestTimeInMillis = ingestTimeInMillis;
this.ingestCurrent = ingestCurrent;
this.ingestFailedCount = ingestFailedCount;
}
/**
* Read from a stream.
*/
public Stats(StreamInput in) throws IOException {
ingestCount = in.readVLong();
ingestTimeInMillis = in.readVLong();
ingestCurrent = in.readVLong();
ingestFailedCount = in.readVLong();
}
@Override
public void writeTo(StreamOutput out) throws IOException {
out.writeVLong(ingestCount);
out.writeVLong(ingestTimeInMillis);
out.writeVLong(ingestCurrent);
out.writeVLong(ingestFailedCount);
}
/**
* @return The total number of executed ingest preprocessing operations.
*/
public long getIngestCount() {
return ingestCount;
}
/**
* @return The total time spent of ingest preprocessing in millis.
*/
public long getIngestTimeInMillis() {
return ingestTimeInMillis;
}
/**
* @return The total number of ingest preprocessing operations currently executing.
*/
public long getIngestCurrent() {
return ingestCurrent;
}
/**
* @return The total number of ingest preprocessing operations that have failed.
*/
public long getIngestFailedCount() {
return ingestFailedCount;
}
@Override
public XContentBuilder toXContent(XContentBuilder builder, Params params) throws IOException {
builder.field("count", ingestCount);
builder.humanReadableField("time_in_millis", "time", new TimeValue(ingestTimeInMillis, TimeUnit.MILLISECONDS));
builder.field("current", ingestCurrent);
builder.field("failed", ingestFailedCount);
return builder;
}
}
/**
* Easy conversion from scoped {@link IngestMetric} objects to a serializable Stats objects
*/
static class Builder {
private Stats totalStats;
private List pipelineStats = new ArrayList<>();
private Map> processorStats = new HashMap<>();
Builder addTotalMetrics(IngestMetric totalMetric) {
this.totalStats = totalMetric.createStats();
return this;
}
Builder addPipelineMetrics(String pipelineId, IngestMetric pipelineMetric) {
this.pipelineStats.add(new PipelineStat(pipelineId, pipelineMetric.createStats()));
return this;
}
Builder addProcessorMetrics(String pipelineId, String processorName, IngestMetric metric) {
this.processorStats.computeIfAbsent(pipelineId, k -> new ArrayList<>())
.add(new ProcessorStat(processorName, metric.createStats()));
return this;
}
IngestStats build() {
return new IngestStats(totalStats, Collections.unmodifiableList(pipelineStats),
Collections.unmodifiableMap(processorStats));
}
}
/**
* Container for pipeline stats.
*/
public static class PipelineStat {
private final String pipelineId;
private final Stats stats;
public PipelineStat(String pipelineId, Stats stats) {
this.pipelineId = pipelineId;
this.stats = stats;
}
public String getPipelineId() {
return pipelineId;
}
public Stats getStats() {
return stats;
}
}
/**
* Container for processor stats.
*/
public static class ProcessorStat {
private final String name;
private final Stats stats;
public ProcessorStat(String name, Stats stats) {
this.name = name;
this.stats = stats;
}
public String getName() {
return name;
}
public Stats getStats() {
return stats;
}
}
}