Add a checkpoint service for data frame transforms (#39836)
Add a checkpoint service for data frame transforms, which allows to ask for a checkpoint of the source. In future these checkpoints will be stored in the internal index to - detect upstream changes - updating the data frame without a full re-run - allow data frame clients to checkpoint themselves
This commit is contained in:
Hendrik Muhs
parent
1265a15b75
commit
5a0c32833e
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@ -53,6 +53,9 @@ public class DataFrameMessages {
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public static final String LOG_DATA_FRAME_TRANSFORM_CONFIGURATION_BAD_AGGREGATION =
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"Failed to parse aggregation for data frame pivot transform";
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public static final String FAILED_TO_PARSE_TRANSFORM_CHECKPOINTS =
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"Failed to parse transform checkpoints for [{0}]";
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private DataFrameMessages() {
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}
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@ -0,0 +1,264 @@
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/*
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* Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
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* or more contributor license agreements. Licensed under the Elastic License;
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* you may not use this file except in compliance with the Elastic License.
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*/
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package org.elasticsearch.xpack.core.dataframe.transforms;
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import org.elasticsearch.ElasticsearchParseException;
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import org.elasticsearch.common.ParseField;
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import org.elasticsearch.common.ParsingException;
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import org.elasticsearch.common.io.stream.StreamInput;
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import org.elasticsearch.common.io.stream.StreamOutput;
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import org.elasticsearch.common.io.stream.Writeable;
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import org.elasticsearch.common.xcontent.ConstructingObjectParser;
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import org.elasticsearch.common.xcontent.ToXContentObject;
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import org.elasticsearch.common.xcontent.XContentBuilder;
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import org.elasticsearch.common.xcontent.XContentParser;
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import org.elasticsearch.xpack.core.dataframe.DataFrameField;
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import java.io.IOException;
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import java.util.Arrays;
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import java.util.Collections;
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import java.util.Map;
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import java.util.Map.Entry;
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import java.util.Objects;
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import java.util.TreeMap;
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import static org.elasticsearch.common.xcontent.ConstructingObjectParser.constructorArg;
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import static org.elasticsearch.common.xcontent.ConstructingObjectParser.optionalConstructorArg;
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/**
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* Checkpoint document to store the checkpoint of a data frame transform
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*
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* The fields:
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*
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* timestamp the timestamp when this document has been created
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* checkpoint the checkpoint number, incremented for every checkpoint
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* indices a map of the indices from the source including all checkpoints of all indices matching the source pattern, shard level
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* time_upper_bound for time-based indices this holds the upper time boundary of this checkpoint
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*
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*/
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public class DataFrameTransformCheckpoint implements Writeable, ToXContentObject {
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public static DataFrameTransformCheckpoint EMPTY = new DataFrameTransformCheckpoint("empty", 0L, -1L, Collections.emptyMap(), 0L);
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// the timestamp of the checkpoint, mandatory
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public static final ParseField TIMESTAMP_MILLIS = new ParseField("timestamp_millis");
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public static final ParseField TIMESTAMP = new ParseField("timestamp");
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// the own checkpoint
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public static final ParseField CHECKPOINT = new ParseField("checkpoint");
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// checkpoint of the indexes (sequence id's)
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public static final ParseField INDICES = new ParseField("indices");
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// checkpoint for for time based sync
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// TODO: consider a lower bound for usecases where you want to transform on a window of a stream
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public static final ParseField TIME_UPPER_BOUND_MILLIS = new ParseField("time_upper_bound_millis");
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public static final ParseField TIME_UPPER_BOUND = new ParseField("time_upper_bound");
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private static final String NAME = "data_frame_transform_checkpoint";
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private static final ConstructingObjectParser<DataFrameTransformCheckpoint, Void> STRICT_PARSER = createParser(false);
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private static final ConstructingObjectParser<DataFrameTransformCheckpoint, Void> LENIENT_PARSER = createParser(true);
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private final String transformId;
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private final long timestampMillis;
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private final long checkpoint;
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private final Map<String, long[]> indicesCheckpoints;
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private final long timeUpperBoundMillis;
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private static ConstructingObjectParser<DataFrameTransformCheckpoint, Void> createParser(boolean lenient) {
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ConstructingObjectParser<DataFrameTransformCheckpoint, Void> parser = new ConstructingObjectParser<>(NAME,
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lenient, args -> {
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String id = (String) args[0];
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Long timestamp = (Long) args[1];
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Long checkpoint = (Long) args[2];
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@SuppressWarnings("unchecked")
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Map<String, long[]> checkpoints = (Map<String, long[]>) args[3];
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Long timestamp_checkpoint = (Long) args[4];
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// ignored, only for internal storage: String docType = (String) args[5];
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return new DataFrameTransformCheckpoint(id, timestamp, checkpoint, checkpoints, timestamp_checkpoint);
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});
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parser.declareString(constructorArg(), DataFrameField.ID);
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// note: this is never parsed from the outside where timestamp can be formatted as date time
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parser.declareLong(constructorArg(), TIMESTAMP_MILLIS);
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parser.declareLong(constructorArg(), CHECKPOINT);
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parser.declareObject(constructorArg(), (p,c) -> {
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Map<String, long[]> checkPointsByIndexName = new TreeMap<>();
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XContentParser.Token token = null;
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while ((token = p.nextToken()) != XContentParser.Token.END_OBJECT) {
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if (token != XContentParser.Token.FIELD_NAME) {
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throw new ParsingException(p.getTokenLocation(), "Unexpected token " + token + " ");
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}
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final String indexName = p.currentName();
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token = p.nextToken();
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if (token != XContentParser.Token.START_ARRAY) {
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throw new ParsingException(p.getTokenLocation(), "Unexpected token " + token + " ");
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}
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long[] checkpoints = p.listOrderedMap().stream().mapToLong(num -> ((Number) num).longValue()).toArray();
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checkPointsByIndexName.put(indexName, checkpoints);
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}
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return checkPointsByIndexName;
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}, INDICES);
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parser.declareLong(optionalConstructorArg(), TIME_UPPER_BOUND_MILLIS);
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parser.declareString(optionalConstructorArg(), DataFrameField.INDEX_DOC_TYPE);
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return parser;
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}
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public DataFrameTransformCheckpoint(String transformId, Long timestamp, Long checkpoint, Map<String, long[]> checkpoints,
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Long timeUpperBound) {
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this.transformId = transformId;
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this.timestampMillis = timestamp.longValue();
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this.checkpoint = checkpoint;
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this.indicesCheckpoints = Collections.unmodifiableMap(checkpoints);
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this.timeUpperBoundMillis = timeUpperBound == null ? 0 : timeUpperBound.longValue();
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}
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public DataFrameTransformCheckpoint(StreamInput in) throws IOException {
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this.transformId = in.readString();
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this.timestampMillis = in.readLong();
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this.checkpoint = in.readLong();
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this.indicesCheckpoints = readCheckpoints(in.readMap());
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this.timeUpperBoundMillis = in.readLong();
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}
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@Override
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public XContentBuilder toXContent(XContentBuilder builder, Params params) throws IOException {
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builder.startObject();
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// the id, doc_type and checkpoint is only internally used for storage, the user-facing version gets embedded
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if (params.paramAsBoolean(DataFrameField.FOR_INTERNAL_STORAGE, false)) {
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builder.field(DataFrameField.ID.getPreferredName(), transformId);
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builder.field(CHECKPOINT.getPreferredName(), checkpoint);
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builder.field(DataFrameField.INDEX_DOC_TYPE.getPreferredName(), NAME);
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}
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builder.timeField(TIMESTAMP_MILLIS.getPreferredName(), TIMESTAMP.getPreferredName(), timestampMillis);
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if (timeUpperBoundMillis > 0) {
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builder.timeField(TIME_UPPER_BOUND_MILLIS.getPreferredName(), TIME_UPPER_BOUND.getPreferredName(), timeUpperBoundMillis);
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}
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builder.startObject(INDICES.getPreferredName());
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for (Entry<String, long[]> entry : indicesCheckpoints.entrySet()) {
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builder.array(entry.getKey(), entry.getValue());
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}
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builder.endObject();
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builder.endObject();
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return builder;
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}
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public String getTransformId() {
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return transformId;
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}
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public long getTimestamp() {
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return timestampMillis;
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}
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public long getCheckpoint() {
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return checkpoint;
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}
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public Map<String, long[]> getIndicesCheckpoints() {
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return indicesCheckpoints;
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}
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public long getTimeUpperBound() {
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return timeUpperBoundMillis;
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}
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@Override
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public void writeTo(StreamOutput out) throws IOException {
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out.writeString(transformId);
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out.writeLong(timestampMillis);
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out.writeLong(checkpoint);
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out.writeGenericValue(indicesCheckpoints);
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out.writeLong(timeUpperBoundMillis);
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}
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@Override
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public boolean equals(Object other) {
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if (this == other) {
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return true;
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}
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if (other == null || getClass() != other.getClass()) {
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return false;
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}
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final DataFrameTransformCheckpoint that = (DataFrameTransformCheckpoint) other;
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// compare the timestamp, id, checkpoint and than call matches for the rest
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return this.timestampMillis == that.timestampMillis && this.checkpoint == that.checkpoint
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&& this.timeUpperBoundMillis == that.timeUpperBoundMillis && matches(that);
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}
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/**
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* Compares 2 checkpoints ignoring some inner fields.
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*
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* This is for comparing 2 checkpoints to check whether the data frame transform requires an update
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*
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* @param that other checkpoint
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* @return true if checkpoints match
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*/
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public boolean matches (DataFrameTransformCheckpoint that) {
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if (this == that) {
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return true;
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}
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return Objects.equals(this.transformId, that.transformId)
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&& this.indicesCheckpoints.size() == that.indicesCheckpoints.size() // quick check
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// do the expensive deep equal operation last
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&& this.indicesCheckpoints.entrySet().stream()
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.allMatch(e -> Arrays.equals(e.getValue(), that.indicesCheckpoints.get(e.getKey())));
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}
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@Override
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public int hashCode() {
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int hash = Objects.hash(transformId, timestampMillis, checkpoint, timeUpperBoundMillis);
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for (Entry<String, long[]> e : indicesCheckpoints.entrySet()) {
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hash = 31 * hash + Objects.hash(e.getKey(), Arrays.hashCode(e.getValue()));
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}
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return hash;
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}
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public static DataFrameTransformCheckpoint fromXContent(final XContentParser parser, boolean lenient) throws IOException {
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return lenient ? LENIENT_PARSER.apply(parser, null) : STRICT_PARSER.apply(parser, null);
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}
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public static String documentId(String transformId, long checkpoint) {
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if (checkpoint < 0) {
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throw new IllegalArgumentException("checkpoint must be a positive number");
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}
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return NAME + "-" + transformId + "-" + checkpoint;
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}
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private static Map<String, long[]> readCheckpoints(Map<String, Object> readMap) {
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Map<String, long[]> checkpoints = new TreeMap<>();
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for (Map.Entry<String, Object> e : readMap.entrySet()) {
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if (e.getValue() instanceof long[]) {
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checkpoints.put(e.getKey(), (long[]) e.getValue());
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} else {
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throw new ElasticsearchParseException("expecting the checkpoints for [{}] to be a long[], but found [{}] instead",
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e.getKey(), e.getValue().getClass());
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}
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}
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return checkpoints;
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}
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}
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@ -12,13 +12,16 @@ import org.elasticsearch.common.io.stream.Writeable;
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import org.elasticsearch.common.settings.Settings;
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import org.elasticsearch.common.xcontent.NamedXContentRegistry;
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import org.elasticsearch.common.xcontent.ToXContent;
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import org.elasticsearch.common.xcontent.ToXContent.Params;
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import org.elasticsearch.index.query.QueryBuilder;
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import org.elasticsearch.search.SearchModule;
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import org.elasticsearch.search.aggregations.AggregationBuilder;
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import org.elasticsearch.search.aggregations.BaseAggregationBuilder;
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import org.elasticsearch.test.AbstractSerializingTestCase;
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import org.elasticsearch.xpack.core.dataframe.DataFrameField;
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import org.junit.Before;
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import java.util.Collections;
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import java.util.List;
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import static java.util.Collections.emptyList;
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@ -26,6 +29,9 @@ import static java.util.Collections.emptyList;
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public abstract class AbstractSerializingDataFrameTestCase<T extends ToXContent & Writeable>
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extends AbstractSerializingTestCase<T> {
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protected static Params TO_XCONTENT_PARAMS = new ToXContent.MapParams(
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Collections.singletonMap(DataFrameField.FOR_INTERNAL_STORAGE, "true"));
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/**
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* Test case that ensures aggregation named objects are registered
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*/
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@ -0,0 +1,133 @@
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/*
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* Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
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* or more contributor license agreements. Licensed under the Elastic License;
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* you may not use this file except in compliance with the Elastic License.
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*/
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package org.elasticsearch.xpack.core.dataframe.transforms;
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import org.elasticsearch.common.Strings;
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import org.elasticsearch.common.io.stream.Writeable.Reader;
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import org.elasticsearch.common.xcontent.ToXContent;
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import org.elasticsearch.common.xcontent.XContentBuilder;
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import org.elasticsearch.common.xcontent.XContentFactory;
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import org.elasticsearch.common.xcontent.XContentParser;
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import java.io.IOException;
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import java.util.ArrayList;
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import java.util.Collections;
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import java.util.List;
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import java.util.Map;
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import java.util.TreeMap;
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import static org.elasticsearch.test.TestMatchers.matchesPattern;
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public class DataFrameTransformCheckpointTests extends AbstractSerializingDataFrameTestCase<DataFrameTransformCheckpoint> {
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public static DataFrameTransformCheckpoint randomDataFrameTransformCheckpoints() {
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return new DataFrameTransformCheckpoint(randomAlphaOfLengthBetween(1, 10), randomNonNegativeLong(), randomNonNegativeLong(),
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randomCheckpointsByIndex(), randomNonNegativeLong());
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}
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@Override
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protected DataFrameTransformCheckpoint doParseInstance(XContentParser parser) throws IOException {
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return DataFrameTransformCheckpoint.fromXContent(parser, false);
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}
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@Override
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protected DataFrameTransformCheckpoint createTestInstance() {
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return randomDataFrameTransformCheckpoints();
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}
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@Override
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protected Reader<DataFrameTransformCheckpoint> instanceReader() {
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return DataFrameTransformCheckpoint::new;
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}
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@Override
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protected ToXContent.Params getToXContentParams() {
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return TO_XCONTENT_PARAMS;
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}
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public void testXContentForInternalStorage() throws IOException {
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DataFrameTransformCheckpoint dataFrameTransformCheckpoints = randomDataFrameTransformCheckpoints();
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try (XContentBuilder xContentBuilder = XContentFactory.jsonBuilder()) {
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XContentBuilder content = dataFrameTransformCheckpoints.toXContent(xContentBuilder, getToXContentParams());
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String doc = Strings.toString(content);
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assertThat(doc, matchesPattern(".*\"doc_type\"\\s*:\\s*\"data_frame_transform_checkpoint\".*"));
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}
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try (XContentBuilder xContentBuilder = XContentFactory.jsonBuilder()) {
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XContentBuilder content = dataFrameTransformCheckpoints.toXContent(xContentBuilder, ToXContent.EMPTY_PARAMS);
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String doc = Strings.toString(content);
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assertFalse(doc.contains("doc_type"));
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}
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}
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public void testXContentForApiUsage() throws IOException {
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DataFrameTransformCheckpoint dataFrameTransformCheckpoints = new DataFrameTransformCheckpoint(randomAlphaOfLengthBetween(1, 10),
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1546300800000L, randomNonNegativeLong(), Collections.emptyMap(), 1545609600000L);
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try (XContentBuilder xContentBuilder = XContentFactory.jsonBuilder()) {
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xContentBuilder.humanReadable(true);
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XContentBuilder content = dataFrameTransformCheckpoints.toXContent(xContentBuilder, ToXContent.EMPTY_PARAMS);
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String doc = Strings.toString(content);
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assertThat(doc, matchesPattern(".*\"timestamp_millis\"\\s*:\\s*1546300800000.*"));
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assertThat(doc, matchesPattern(".*\"time_upper_bound_millis\"\\s*:\\s*1545609600000.*"));
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assertThat(doc, matchesPattern(".*\"timestamp\"\\s*:\\s*\"2019-01-01T00:00:00.000Z\".*"));
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assertThat(doc, matchesPattern(".*\"time_upper_bound\"\\s*:\\s*\"2018-12-24T00:00:00.000Z\".*"));
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}
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}
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public void testMatches() throws IOException {
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String id = randomAlphaOfLengthBetween(1, 10);
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long timestamp = randomNonNegativeLong();
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long checkpoint = randomNonNegativeLong();
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Map<String, long[]> checkpointsByIndex = randomCheckpointsByIndex();
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Map<String, long[]> otherCheckpointsByIndex = new TreeMap<>(checkpointsByIndex);
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otherCheckpointsByIndex.put(randomAlphaOfLengthBetween(1, 10), new long[] { 1, 2, 3 });
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long timeUpperBound = randomNonNegativeLong();
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DataFrameTransformCheckpoint dataFrameTransformCheckpoints = new DataFrameTransformCheckpoint(id, timestamp, checkpoint,
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checkpointsByIndex, timeUpperBound);
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// same
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assertTrue(dataFrameTransformCheckpoints.matches(dataFrameTransformCheckpoints));
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DataFrameTransformCheckpoint dataFrameTransformCheckpointsCopy = copyInstance(dataFrameTransformCheckpoints);
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// with copy
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assertTrue(dataFrameTransformCheckpoints.matches(dataFrameTransformCheckpointsCopy));
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assertTrue(dataFrameTransformCheckpointsCopy.matches(dataFrameTransformCheckpoints));
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// other id
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assertFalse(dataFrameTransformCheckpoints
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.matches(new DataFrameTransformCheckpoint(id + "-1", timestamp, checkpoint, checkpointsByIndex, timeUpperBound)));
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// other timestamp
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assertTrue(dataFrameTransformCheckpoints
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.matches(new DataFrameTransformCheckpoint(id, (timestamp / 2) + 1, checkpoint, checkpointsByIndex, timeUpperBound)));
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// other checkpoint
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assertTrue(dataFrameTransformCheckpoints
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.matches(new DataFrameTransformCheckpoint(id, timestamp, (checkpoint / 2) + 1, checkpointsByIndex, timeUpperBound)));
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// other index checkpoints
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assertFalse(dataFrameTransformCheckpoints
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.matches(new DataFrameTransformCheckpoint(id, timestamp, checkpoint, otherCheckpointsByIndex, timeUpperBound)));
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// other time upper bound
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assertTrue(dataFrameTransformCheckpoints
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.matches(new DataFrameTransformCheckpoint(id, timestamp, checkpoint, checkpointsByIndex, (timeUpperBound / 2) + 1)));
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}
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private static Map<String, long[]> randomCheckpointsByIndex() {
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Map<String, long[]> checkpointsByIndex = new TreeMap<>();
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for (int i = 0; i < randomIntBetween(1, 10); ++i) {
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List<Long> checkpoints = new ArrayList<>();
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for (int j = 0; j < randomIntBetween(1, 20); ++j) {
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checkpoints.add(randomNonNegativeLong());
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}
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checkpointsByIndex.put(randomAlphaOfLengthBetween(1, 10), checkpoints.stream().mapToLong(l -> l).toArray());
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}
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return checkpointsByIndex;
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}
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}
|
||||
|
|
@ -10,17 +10,14 @@ import org.elasticsearch.common.Strings;
|
|||
import org.elasticsearch.common.io.stream.Writeable.Reader;
|
||||
import org.elasticsearch.common.xcontent.DeprecationHandler;
|
||||
import org.elasticsearch.common.xcontent.ToXContent;
|
||||
import org.elasticsearch.common.xcontent.ToXContent.Params;
|
||||
import org.elasticsearch.common.xcontent.XContentBuilder;
|
||||
import org.elasticsearch.common.xcontent.XContentFactory;
|
||||
import org.elasticsearch.common.xcontent.XContentParser;
|
||||
import org.elasticsearch.common.xcontent.XContentType;
|
||||
import org.elasticsearch.xpack.core.dataframe.DataFrameField;
|
||||
import org.elasticsearch.xpack.core.dataframe.transforms.pivot.PivotConfigTests;
|
||||
import org.junit.Before;
|
||||
|
||||
import java.io.IOException;
|
||||
import java.util.Collections;
|
||||
import java.util.HashMap;
|
||||
import java.util.Map;
|
||||
|
||||
|
|
@ -28,9 +25,6 @@ import static org.elasticsearch.test.TestMatchers.matchesPattern;
|
|||
|
||||
public class DataFrameTransformConfigTests extends AbstractSerializingDataFrameTestCase<DataFrameTransformConfig> {
|
||||
|
||||
private static Params TO_XCONTENT_PARAMS = new ToXContent.MapParams(
|
||||
Collections.singletonMap(DataFrameField.FOR_INTERNAL_STORAGE, "true"));
|
||||
|
||||
private String transformId;
|
||||
private boolean runWithHeaders;
|
||||
|
||||
|
|
|
|||
|
|
@ -15,8 +15,8 @@ import org.elasticsearch.common.Strings;
|
|||
import org.elasticsearch.common.xcontent.XContentBuilder;
|
||||
import org.elasticsearch.common.xcontent.support.XContentMapValues;
|
||||
import org.elasticsearch.xpack.core.dataframe.DataFrameField;
|
||||
import org.elasticsearch.xpack.dataframe.persistence.DataFrameInternalIndex;
|
||||
import org.elasticsearch.xpack.core.dataframe.transforms.DataFrameTransformConfig;
|
||||
import org.elasticsearch.xpack.dataframe.persistence.DataFrameInternalIndex;
|
||||
|
||||
import java.io.IOException;
|
||||
|
||||
|
|
@ -47,6 +47,9 @@ public class DataFrameConfigurationIndexIT extends DataFrameRestTestCase {
|
|||
client().performRequest(req);
|
||||
}
|
||||
|
||||
// refresh the index
|
||||
assertOK(client().performRequest(new Request("POST", DataFrameInternalIndex.INDEX_NAME + "/_refresh")));
|
||||
|
||||
Request deleteRequest = new Request("DELETE", DATAFRAME_ENDPOINT + fakeTransformName);
|
||||
Response deleteResponse = client().performRequest(deleteRequest);
|
||||
assertOK(deleteResponse);
|
||||
|
|
|
|||
|
|
@ -57,6 +57,7 @@ import org.elasticsearch.xpack.dataframe.action.TransportPutDataFrameTransformAc
|
|||
import org.elasticsearch.xpack.dataframe.action.TransportStartDataFrameTransformAction;
|
||||
import org.elasticsearch.xpack.dataframe.action.TransportStartDataFrameTransformTaskAction;
|
||||
import org.elasticsearch.xpack.dataframe.action.TransportStopDataFrameTransformAction;
|
||||
import org.elasticsearch.xpack.dataframe.checkpoint.DataFrameTransformsCheckpointService;
|
||||
import org.elasticsearch.xpack.dataframe.persistence.DataFrameInternalIndex;
|
||||
import org.elasticsearch.xpack.dataframe.persistence.DataFrameTransformsConfigManager;
|
||||
import org.elasticsearch.xpack.dataframe.rest.action.RestDeleteDataFrameTransformAction;
|
||||
|
|
@ -98,6 +99,7 @@ public class DataFrame extends Plugin implements ActionPlugin, PersistentTaskPlu
|
|||
private final Settings settings;
|
||||
private final boolean transportClientMode;
|
||||
private final SetOnce<DataFrameTransformsConfigManager> dataFrameTransformsConfigManager = new SetOnce<>();
|
||||
private final SetOnce<DataFrameTransformsCheckpointService> dataFrameTransformsCheckpointService = new SetOnce<>();
|
||||
private final SetOnce<SchedulerEngine> schedulerEngine = new SetOnce<>();
|
||||
|
||||
public DataFrame(Settings settings) {
|
||||
|
|
@ -180,8 +182,9 @@ public class DataFrame extends Plugin implements ActionPlugin, PersistentTaskPlu
|
|||
}
|
||||
|
||||
dataFrameTransformsConfigManager.set(new DataFrameTransformsConfigManager(client, xContentRegistry));
|
||||
dataFrameTransformsCheckpointService.set(new DataFrameTransformsCheckpointService(client));
|
||||
|
||||
return Collections.singletonList(dataFrameTransformsConfigManager.get());
|
||||
return Arrays.asList(dataFrameTransformsConfigManager.get(), dataFrameTransformsCheckpointService.get());
|
||||
}
|
||||
|
||||
@Override
|
||||
|
|
@ -207,8 +210,10 @@ public class DataFrame extends Plugin implements ActionPlugin, PersistentTaskPlu
|
|||
|
||||
// the transforms config manager should have been created
|
||||
assert dataFrameTransformsConfigManager.get() != null;
|
||||
assert dataFrameTransformsCheckpointService.get() != null;
|
||||
|
||||
return Collections.singletonList(new DataFrameTransformPersistentTasksExecutor(client, dataFrameTransformsConfigManager.get(),
|
||||
schedulerEngine.get(), threadPool));
|
||||
dataFrameTransformsCheckpointService.get(), schedulerEngine.get(), threadPool));
|
||||
}
|
||||
|
||||
@Override
|
||||
|
|
|
|||
|
|
@ -59,7 +59,7 @@ public class TransportDeleteDataFrameTransformAction extends TransportTasksActio
|
|||
IndexerState state = task.getState().getIndexerState();
|
||||
if (state.equals(IndexerState.STOPPED)) {
|
||||
task.onCancelled();
|
||||
transformsConfigManager.deleteTransformConfiguration(request.getId(), ActionListener.wrap(r -> {
|
||||
transformsConfigManager.deleteTransform(request.getId(), ActionListener.wrap(r -> {
|
||||
listener.onResponse(new Response(true));
|
||||
}, listener::onFailure));
|
||||
} else {
|
||||
|
|
@ -80,7 +80,7 @@ public class TransportDeleteDataFrameTransformAction extends TransportTasksActio
|
|||
// we couldn't find the transform in the persistent task CS, but maybe the transform exists in the configuration index,
|
||||
// if so delete the orphaned document and do not throw (for the normal case we want to stop the task first,
|
||||
// than delete the configuration document if and only if the data frame transform is in stopped state)
|
||||
transformsConfigManager.deleteTransformConfiguration(request.getId(), ActionListener.wrap(r -> {
|
||||
transformsConfigManager.deleteTransform(request.getId(), ActionListener.wrap(r -> {
|
||||
listener.onResponse(new Response(true));
|
||||
return;
|
||||
}, listener::onFailure));
|
||||
|
|
|
|||
|
|
@ -42,6 +42,7 @@ import org.elasticsearch.xpack.core.dataframe.DataFrameMessages;
|
|||
import org.elasticsearch.xpack.core.dataframe.action.PutDataFrameTransformAction;
|
||||
import org.elasticsearch.xpack.core.dataframe.action.PutDataFrameTransformAction.Request;
|
||||
import org.elasticsearch.xpack.core.dataframe.action.PutDataFrameTransformAction.Response;
|
||||
import org.elasticsearch.xpack.core.dataframe.transforms.DataFrameTransformConfig;
|
||||
import org.elasticsearch.xpack.core.security.SecurityContext;
|
||||
import org.elasticsearch.xpack.core.security.action.user.HasPrivilegesAction;
|
||||
import org.elasticsearch.xpack.core.security.action.user.HasPrivilegesRequest;
|
||||
|
|
@ -51,7 +52,6 @@ import org.elasticsearch.xpack.core.security.authz.permission.ResourcePrivileges
|
|||
import org.elasticsearch.xpack.core.security.support.Exceptions;
|
||||
import org.elasticsearch.xpack.dataframe.persistence.DataFrameTransformsConfigManager;
|
||||
import org.elasticsearch.xpack.dataframe.persistence.DataframeIndex;
|
||||
import org.elasticsearch.xpack.core.dataframe.transforms.DataFrameTransformConfig;
|
||||
import org.elasticsearch.xpack.dataframe.transforms.pivot.Pivot;
|
||||
|
||||
import java.io.IOException;
|
||||
|
|
|
|||
|
|
@ -0,0 +1,26 @@
|
|||
/*
|
||||
* Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
|
||||
* or more contributor license agreements. Licensed under the Elastic License;
|
||||
* you may not use this file except in compliance with the Elastic License.
|
||||
*/
|
||||
|
||||
package org.elasticsearch.xpack.dataframe.checkpoint;
|
||||
|
||||
import org.elasticsearch.ElasticsearchException;
|
||||
import org.elasticsearch.common.io.stream.StreamInput;
|
||||
|
||||
import java.io.IOException;
|
||||
|
||||
public class CheckpointException extends ElasticsearchException {
|
||||
public CheckpointException(String msg, Object... params) {
|
||||
super(msg, null, params);
|
||||
}
|
||||
|
||||
public CheckpointException(String msg, Throwable cause, Object... params) {
|
||||
super(msg, cause, params);
|
||||
}
|
||||
|
||||
public CheckpointException(StreamInput in) throws IOException {
|
||||
super(in);
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,136 @@
|
|||
/*
|
||||
* Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
|
||||
* or more contributor license agreements. Licensed under the Elastic License;
|
||||
* you may not use this file except in compliance with the Elastic License.
|
||||
*/
|
||||
|
||||
package org.elasticsearch.xpack.dataframe.checkpoint;
|
||||
|
||||
import org.apache.logging.log4j.LogManager;
|
||||
import org.apache.logging.log4j.Logger;
|
||||
import org.elasticsearch.action.ActionListener;
|
||||
import org.elasticsearch.action.admin.indices.get.GetIndexAction;
|
||||
import org.elasticsearch.action.admin.indices.get.GetIndexRequest;
|
||||
import org.elasticsearch.action.admin.indices.stats.IndicesStatsAction;
|
||||
import org.elasticsearch.action.admin.indices.stats.IndicesStatsRequest;
|
||||
import org.elasticsearch.action.admin.indices.stats.ShardStats;
|
||||
import org.elasticsearch.client.Client;
|
||||
import org.elasticsearch.xpack.core.ClientHelper;
|
||||
import org.elasticsearch.xpack.core.dataframe.transforms.DataFrameTransformCheckpoint;
|
||||
import org.elasticsearch.xpack.core.dataframe.transforms.DataFrameTransformConfig;
|
||||
|
||||
import java.util.Arrays;
|
||||
import java.util.HashSet;
|
||||
import java.util.Map;
|
||||
import java.util.Set;
|
||||
import java.util.TreeMap;
|
||||
|
||||
/**
|
||||
* DataFrameTransform Checkpoint Service
|
||||
*
|
||||
* Allows checkpointing a source of a data frame transform which includes all relevant checkpoints of the source.
|
||||
*
|
||||
* This will be used to checkpoint a transform, detect changes, run the transform in continuous mode.
|
||||
*
|
||||
*/
|
||||
public class DataFrameTransformsCheckpointService {
|
||||
|
||||
private static final Logger logger = LogManager.getLogger(DataFrameTransformsCheckpointService.class);
|
||||
|
||||
private final Client client;
|
||||
|
||||
public DataFrameTransformsCheckpointService(final Client client) {
|
||||
this.client = client;
|
||||
}
|
||||
|
||||
/**
|
||||
* Get an unnumbered checkpoint. These checkpoints are for persistence but comparing state.
|
||||
*
|
||||
* @param transformConfig the @link{DataFrameTransformConfig}
|
||||
* @param listener listener to call after inner request returned
|
||||
*/
|
||||
public void getCheckpoint(DataFrameTransformConfig transformConfig, ActionListener<DataFrameTransformCheckpoint> listener) {
|
||||
getCheckpoint(transformConfig, -1L, listener);
|
||||
}
|
||||
|
||||
/**
|
||||
* Get a checkpoint, used to store a checkpoint.
|
||||
*
|
||||
* @param transformConfig the @link{DataFrameTransformConfig}
|
||||
* @param checkpoint the number of the checkpoint
|
||||
* @param listener listener to call after inner request returned
|
||||
*/
|
||||
public void getCheckpoint(DataFrameTransformConfig transformConfig, long checkpoint,
|
||||
ActionListener<DataFrameTransformCheckpoint> listener) {
|
||||
long timestamp = System.currentTimeMillis();
|
||||
|
||||
// placeholder for time based synchronization
|
||||
long timeUpperBound = 0;
|
||||
|
||||
// 1st get index to see the indexes the user has access to
|
||||
GetIndexRequest getIndexRequest = new GetIndexRequest().indices(transformConfig.getSource());
|
||||
|
||||
ClientHelper.executeWithHeadersAsync(transformConfig.getHeaders(), ClientHelper.DATA_FRAME_ORIGIN, client, GetIndexAction.INSTANCE,
|
||||
getIndexRequest, ActionListener.wrap(getIndexResponse -> {
|
||||
Set<String> userIndices = new HashSet<>(Arrays.asList(getIndexResponse.getIndices()));
|
||||
|
||||
// 2nd get stats request
|
||||
ClientHelper.executeAsyncWithOrigin(client, ClientHelper.DATA_FRAME_ORIGIN, IndicesStatsAction.INSTANCE,
|
||||
new IndicesStatsRequest().indices(transformConfig.getSource()), ActionListener.wrap(response -> {
|
||||
if (response.getFailedShards() != 0) {
|
||||
throw new CheckpointException("Source has [" + response.getFailedShards() + "] failed shards");
|
||||
}
|
||||
|
||||
Map<String, long[]> checkpointsByIndex = extractIndexCheckPoints(response.getShards(), userIndices);
|
||||
DataFrameTransformCheckpoint checkpointDoc = new DataFrameTransformCheckpoint(transformConfig.getId(),
|
||||
timestamp, checkpoint, checkpointsByIndex, timeUpperBound);
|
||||
listener.onResponse(checkpointDoc);
|
||||
|
||||
}, IndicesStatsRequestException -> {
|
||||
throw new CheckpointException("Failed to retrieve indices stats", IndicesStatsRequestException);
|
||||
}));
|
||||
|
||||
}, getIndexException -> {
|
||||
throw new CheckpointException("Failed to retrieve list of indices", getIndexException);
|
||||
}));
|
||||
|
||||
}
|
||||
|
||||
static Map<String, long[]> extractIndexCheckPoints(ShardStats[] shards, Set<String> userIndices) {
|
||||
Map<String, TreeMap<Integer, Long>> checkpointsByIndex = new TreeMap<>();
|
||||
|
||||
for (ShardStats shard : shards) {
|
||||
String indexName = shard.getShardRouting().getIndexName();
|
||||
if (userIndices.contains(indexName)) {
|
||||
if (checkpointsByIndex.containsKey(indexName)) {
|
||||
// we have already seen this index, just check/add shards
|
||||
TreeMap<Integer, Long> checkpoints = checkpointsByIndex.get(indexName);
|
||||
if (checkpoints.containsKey(shard.getShardRouting().getId())) {
|
||||
// there is already a checkpoint entry for this index/shard combination, check if they match
|
||||
if (checkpoints.get(shard.getShardRouting().getId()) != shard.getSeqNoStats().getGlobalCheckpoint()) {
|
||||
throw new CheckpointException("Global checkpoints mismatch for index [" + indexName + "] between shards of id ["
|
||||
+ shard.getShardRouting().getId() + "]");
|
||||
}
|
||||
} else {
|
||||
// 1st time we see this shard for this index, add the entry for the shard
|
||||
checkpoints.put(shard.getShardRouting().getId(), shard.getSeqNoStats().getGlobalCheckpoint());
|
||||
}
|
||||
} else {
|
||||
// 1st time we see this index, create an entry for the index and add the shard checkpoint
|
||||
checkpointsByIndex.put(indexName, new TreeMap<>());
|
||||
checkpointsByIndex.get(indexName).put(shard.getShardRouting().getId(), shard.getSeqNoStats().getGlobalCheckpoint());
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// create the final structure
|
||||
Map<String, long[]> checkpointsByIndexReduced = new TreeMap<>();
|
||||
|
||||
checkpointsByIndex.forEach((indexName, checkpoints) -> {
|
||||
checkpointsByIndexReduced.put(indexName, checkpoints.values().stream().mapToLong(l -> l).toArray());
|
||||
});
|
||||
|
||||
return checkpointsByIndexReduced;
|
||||
}
|
||||
|
||||
}
|
||||
|
|
@ -13,9 +13,6 @@ import org.elasticsearch.ResourceAlreadyExistsException;
|
|||
import org.elasticsearch.ResourceNotFoundException;
|
||||
import org.elasticsearch.action.ActionListener;
|
||||
import org.elasticsearch.action.DocWriteRequest;
|
||||
import org.elasticsearch.action.DocWriteResponse;
|
||||
import org.elasticsearch.action.delete.DeleteAction;
|
||||
import org.elasticsearch.action.delete.DeleteRequest;
|
||||
import org.elasticsearch.action.get.GetAction;
|
||||
import org.elasticsearch.action.get.GetRequest;
|
||||
import org.elasticsearch.action.index.IndexAction;
|
||||
|
|
@ -32,8 +29,13 @@ import org.elasticsearch.common.xcontent.XContentParser;
|
|||
import org.elasticsearch.common.xcontent.XContentType;
|
||||
import org.elasticsearch.index.IndexNotFoundException;
|
||||
import org.elasticsearch.index.engine.VersionConflictEngineException;
|
||||
import org.elasticsearch.index.query.QueryBuilder;
|
||||
import org.elasticsearch.index.query.QueryBuilders;
|
||||
import org.elasticsearch.index.reindex.DeleteByQueryAction;
|
||||
import org.elasticsearch.index.reindex.DeleteByQueryRequest;
|
||||
import org.elasticsearch.xpack.core.dataframe.DataFrameField;
|
||||
import org.elasticsearch.xpack.core.dataframe.DataFrameMessages;
|
||||
import org.elasticsearch.xpack.core.dataframe.transforms.DataFrameTransformCheckpoint;
|
||||
import org.elasticsearch.xpack.core.dataframe.transforms.DataFrameTransformConfig;
|
||||
|
||||
import java.io.IOException;
|
||||
|
|
@ -58,6 +60,37 @@ public class DataFrameTransformsConfigManager {
|
|||
this.xContentRegistry = xContentRegistry;
|
||||
}
|
||||
|
||||
/**
|
||||
* Persist a checkpoint in the internal index
|
||||
*
|
||||
* @param checkpoint the @link{DataFrameTransformCheckpoint}
|
||||
* @param listener listener to call after request has been made
|
||||
*/
|
||||
public void putTransformCheckpoint(DataFrameTransformCheckpoint checkpoint, ActionListener<Boolean> listener) {
|
||||
try (XContentBuilder builder = XContentFactory.jsonBuilder()) {
|
||||
XContentBuilder source = checkpoint.toXContent(builder, new ToXContent.MapParams(TO_XCONTENT_PARAMS));
|
||||
|
||||
IndexRequest indexRequest = new IndexRequest(DataFrameInternalIndex.INDEX_NAME)
|
||||
.opType(DocWriteRequest.OpType.INDEX)
|
||||
.setRefreshPolicy(WriteRequest.RefreshPolicy.IMMEDIATE)
|
||||
.id(DataFrameTransformCheckpoint.documentId(checkpoint.getTransformId(), checkpoint.getCheckpoint()))
|
||||
.source(source);
|
||||
|
||||
executeAsyncWithOrigin(client, DATA_FRAME_ORIGIN, IndexAction.INSTANCE, indexRequest, ActionListener.wrap(r -> {
|
||||
listener.onResponse(true);
|
||||
}, listener::onFailure));
|
||||
} catch (IOException e) {
|
||||
// not expected to happen but for the sake of completeness
|
||||
listener.onFailure(e);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Store the transform configuration in the internal index
|
||||
*
|
||||
* @param transformConfig the @link{DataFrameTransformConfig}
|
||||
* @param listener listener to call after request
|
||||
*/
|
||||
public void putTransformConfiguration(DataFrameTransformConfig transformConfig, ActionListener<Boolean> listener) {
|
||||
try (XContentBuilder builder = XContentFactory.jsonBuilder()) {
|
||||
XContentBuilder source = transformConfig.toXContent(builder, new ToXContent.MapParams(TO_XCONTENT_PARAMS));
|
||||
|
|
@ -89,8 +122,35 @@ public class DataFrameTransformsConfigManager {
|
|||
}
|
||||
}
|
||||
|
||||
// For transforms returned via GET data_frame/transforms, see the TransportGetDataFrameTransformsAction
|
||||
// This function is only for internal use.
|
||||
/**
|
||||
* Get a stored checkpoint, requires the transform id as well as the checkpoint id
|
||||
*
|
||||
* @param transformId the transform id
|
||||
* @param checkpoint the checkpoint
|
||||
* @param resultListener listener to call after request has been made
|
||||
*/
|
||||
public void getTransformCheckpoint(String transformId, long checkpoint, ActionListener<DataFrameTransformCheckpoint> resultListener) {
|
||||
GetRequest getRequest = new GetRequest(DataFrameInternalIndex.INDEX_NAME,
|
||||
DataFrameTransformCheckpoint.documentId(transformId, checkpoint));
|
||||
executeAsyncWithOrigin(client, DATA_FRAME_ORIGIN, GetAction.INSTANCE, getRequest, ActionListener.wrap(getResponse -> {
|
||||
|
||||
if (getResponse.isExists() == false) {
|
||||
// do not fail if checkpoint does not exist but return an empty checkpoint
|
||||
resultListener.onResponse(DataFrameTransformCheckpoint.EMPTY);
|
||||
return;
|
||||
}
|
||||
BytesReference source = getResponse.getSourceAsBytesRef();
|
||||
parseCheckpointsLenientlyFromSource(source, transformId, resultListener);
|
||||
}, resultListener::onFailure));
|
||||
}
|
||||
|
||||
/**
|
||||
* Get the transform configuration for a given transform id. This function is only for internal use. For transforms returned via GET
|
||||
* data_frame/transforms, see the TransportGetDataFrameTransformsAction
|
||||
*
|
||||
* @param transformId the transform id
|
||||
* @param resultListener listener to call after inner request has returned
|
||||
*/
|
||||
public void getTransformConfiguration(String transformId, ActionListener<DataFrameTransformConfig> resultListener) {
|
||||
GetRequest getRequest = new GetRequest(DataFrameInternalIndex.INDEX_NAME, DataFrameTransformConfig.documentId(transformId));
|
||||
executeAsyncWithOrigin(client, DATA_FRAME_ORIGIN, GetAction.INSTANCE, getRequest, ActionListener.wrap(getResponse -> {
|
||||
|
|
@ -112,13 +172,25 @@ public class DataFrameTransformsConfigManager {
|
|||
}));
|
||||
}
|
||||
|
||||
public void deleteTransformConfiguration(String transformId, ActionListener<Boolean> listener) {
|
||||
DeleteRequest request = new DeleteRequest(DataFrameInternalIndex.INDEX_NAME, DataFrameTransformConfig.documentId(transformId));
|
||||
request.setRefreshPolicy(WriteRequest.RefreshPolicy.IMMEDIATE);
|
||||
/**
|
||||
* This deletes the configuration and all other documents corresponding to the transform id (e.g. checkpoints).
|
||||
*
|
||||
* @param transformId the transform id
|
||||
* @param listener listener to call after inner request returned
|
||||
*/
|
||||
public void deleteTransform(String transformId, ActionListener<Boolean> listener) {
|
||||
DeleteByQueryRequest request = new DeleteByQueryRequest()
|
||||
.setAbortOnVersionConflict(false) //since these documents are not updated, a conflict just means it was deleted previously
|
||||
.setSlices(5);
|
||||
|
||||
executeAsyncWithOrigin(client, DATA_FRAME_ORIGIN, DeleteAction.INSTANCE, request, ActionListener.wrap(deleteResponse -> {
|
||||
request.indices(DataFrameInternalIndex.INDEX_NAME);
|
||||
QueryBuilder query = QueryBuilders.termQuery(DataFrameField.ID.getPreferredName(), transformId);
|
||||
request.setQuery(query);
|
||||
request.setRefresh(true);
|
||||
|
||||
if (deleteResponse.getResult() == DocWriteResponse.Result.NOT_FOUND) {
|
||||
executeAsyncWithOrigin(client, DATA_FRAME_ORIGIN, DeleteByQueryAction.INSTANCE, request, ActionListener.wrap(deleteResponse -> {
|
||||
|
||||
if (deleteResponse.getDeleted() == 0) {
|
||||
listener.onFailure(new ResourceNotFoundException(
|
||||
DataFrameMessages.getMessage(DataFrameMessages.REST_DATA_FRAME_UNKNOWN_TRANSFORM, transformId)));
|
||||
return;
|
||||
|
|
@ -145,4 +217,16 @@ public class DataFrameTransformsConfigManager {
|
|||
transformListener.onFailure(e);
|
||||
}
|
||||
}
|
||||
|
||||
private void parseCheckpointsLenientlyFromSource(BytesReference source, String transformId,
|
||||
ActionListener<DataFrameTransformCheckpoint> transformListener) {
|
||||
try (InputStream stream = source.streamInput();
|
||||
XContentParser parser = XContentFactory.xContent(XContentType.JSON)
|
||||
.createParser(xContentRegistry, LoggingDeprecationHandler.INSTANCE, stream)) {
|
||||
transformListener.onResponse(DataFrameTransformCheckpoint.fromXContent(parser, true));
|
||||
} catch (Exception e) {
|
||||
logger.error(DataFrameMessages.getMessage(DataFrameMessages.FAILED_TO_PARSE_TRANSFORM_CHECKPOINTS, transformId), e);
|
||||
transformListener.onFailure(e);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -21,6 +21,7 @@ import org.elasticsearch.xpack.core.dataframe.transforms.DataFrameTransform;
|
|||
import org.elasticsearch.xpack.core.dataframe.transforms.DataFrameTransformState;
|
||||
import org.elasticsearch.xpack.core.scheduler.SchedulerEngine;
|
||||
import org.elasticsearch.xpack.dataframe.DataFrame;
|
||||
import org.elasticsearch.xpack.dataframe.checkpoint.DataFrameTransformsCheckpointService;
|
||||
import org.elasticsearch.xpack.dataframe.persistence.DataFrameTransformsConfigManager;
|
||||
|
||||
import java.util.Map;
|
||||
|
|
@ -31,14 +32,17 @@ public class DataFrameTransformPersistentTasksExecutor extends PersistentTasksEx
|
|||
|
||||
private final Client client;
|
||||
private final DataFrameTransformsConfigManager transformsConfigManager;
|
||||
private final DataFrameTransformsCheckpointService dataFrameTransformsCheckpointService;
|
||||
private final SchedulerEngine schedulerEngine;
|
||||
private final ThreadPool threadPool;
|
||||
|
||||
public DataFrameTransformPersistentTasksExecutor(Client client, DataFrameTransformsConfigManager transformsConfigManager,
|
||||
SchedulerEngine schedulerEngine, ThreadPool threadPool) {
|
||||
DataFrameTransformsCheckpointService dataFrameTransformsCheckpointService, SchedulerEngine schedulerEngine,
|
||||
ThreadPool threadPool) {
|
||||
super(DataFrameField.TASK_NAME, DataFrame.TASK_THREAD_POOL_NAME);
|
||||
this.client = client;
|
||||
this.transformsConfigManager = transformsConfigManager;
|
||||
this.dataFrameTransformsCheckpointService = dataFrameTransformsCheckpointService;
|
||||
this.schedulerEngine = schedulerEngine;
|
||||
this.threadPool = threadPool;
|
||||
}
|
||||
|
|
@ -67,6 +71,7 @@ public class DataFrameTransformPersistentTasksExecutor extends PersistentTasksEx
|
|||
protected AllocatedPersistentTask createTask(long id, String type, String action, TaskId parentTaskId,
|
||||
PersistentTasksCustomMetaData.PersistentTask<DataFrameTransform> persistentTask, Map<String, String> headers) {
|
||||
return new DataFrameTransformTask(id, type, action, parentTaskId, persistentTask.getParams(),
|
||||
(DataFrameTransformState) persistentTask.getState(), client, transformsConfigManager, schedulerEngine, threadPool, headers);
|
||||
(DataFrameTransformState) persistentTask.getState(), client, transformsConfigManager, dataFrameTransformsCheckpointService,
|
||||
schedulerEngine, threadPool, headers);
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -24,16 +24,17 @@ import org.elasticsearch.threadpool.ThreadPool;
|
|||
import org.elasticsearch.xpack.core.ClientHelper;
|
||||
import org.elasticsearch.xpack.core.dataframe.DataFrameField;
|
||||
import org.elasticsearch.xpack.core.dataframe.DataFrameMessages;
|
||||
import org.elasticsearch.xpack.core.dataframe.transforms.DataFrameTransform;
|
||||
import org.elasticsearch.xpack.core.dataframe.action.StartDataFrameTransformTaskAction;
|
||||
import org.elasticsearch.xpack.core.dataframe.action.StartDataFrameTransformTaskAction.Response;
|
||||
import org.elasticsearch.xpack.core.dataframe.action.StopDataFrameTransformAction;
|
||||
import org.elasticsearch.xpack.core.dataframe.transforms.DataFrameIndexerTransformStats;
|
||||
import org.elasticsearch.xpack.core.dataframe.transforms.DataFrameTransform;
|
||||
import org.elasticsearch.xpack.core.dataframe.transforms.DataFrameTransformConfig;
|
||||
import org.elasticsearch.xpack.core.dataframe.transforms.DataFrameTransformState;
|
||||
import org.elasticsearch.xpack.core.indexing.IndexerState;
|
||||
import org.elasticsearch.xpack.core.scheduler.SchedulerEngine;
|
||||
import org.elasticsearch.xpack.core.scheduler.SchedulerEngine.Event;
|
||||
import org.elasticsearch.xpack.core.dataframe.action.StartDataFrameTransformTaskAction;
|
||||
import org.elasticsearch.xpack.core.dataframe.action.StartDataFrameTransformTaskAction.Response;
|
||||
import org.elasticsearch.xpack.core.dataframe.action.StopDataFrameTransformAction;
|
||||
import org.elasticsearch.xpack.dataframe.checkpoint.DataFrameTransformsCheckpointService;
|
||||
import org.elasticsearch.xpack.dataframe.persistence.DataFrameTransformsConfigManager;
|
||||
|
||||
import java.util.Map;
|
||||
|
|
@ -58,7 +59,8 @@ public class DataFrameTransformTask extends AllocatedPersistentTask implements S
|
|||
|
||||
public DataFrameTransformTask(long id, String type, String action, TaskId parentTask, DataFrameTransform transform,
|
||||
DataFrameTransformState state, Client client, DataFrameTransformsConfigManager transformsConfigManager,
|
||||
SchedulerEngine schedulerEngine, ThreadPool threadPool, Map<String, String> headers) {
|
||||
DataFrameTransformsCheckpointService transformsCheckpointService, SchedulerEngine schedulerEngine, ThreadPool threadPool,
|
||||
Map<String, String> headers) {
|
||||
super(id, type, action, DataFrameField.PERSISTENT_TASK_DESCRIPTION_PREFIX + transform.getId(), parentTask, headers);
|
||||
this.transform = transform;
|
||||
this.schedulerEngine = schedulerEngine;
|
||||
|
|
@ -83,8 +85,8 @@ public class DataFrameTransformTask extends AllocatedPersistentTask implements S
|
|||
initialGeneration = state.getGeneration();
|
||||
}
|
||||
|
||||
this.indexer = new ClientDataFrameIndexer(transform.getId(), transformsConfigManager, new AtomicReference<>(initialState),
|
||||
initialPosition, client);
|
||||
this.indexer = new ClientDataFrameIndexer(transform.getId(), transformsConfigManager, transformsCheckpointService,
|
||||
new AtomicReference<>(initialState), initialPosition, client);
|
||||
this.generation = new AtomicReference<Long>(initialGeneration);
|
||||
}
|
||||
|
||||
|
|
@ -226,15 +228,18 @@ public class DataFrameTransformTask extends AllocatedPersistentTask implements S
|
|||
private static final int LOAD_TRANSFORM_TIMEOUT_IN_SECONDS = 30;
|
||||
private final Client client;
|
||||
private final DataFrameTransformsConfigManager transformsConfigManager;
|
||||
private final DataFrameTransformsCheckpointService transformsCheckpointService;
|
||||
private final String transformId;
|
||||
|
||||
private DataFrameTransformConfig transformConfig = null;
|
||||
|
||||
public ClientDataFrameIndexer(String transformId, DataFrameTransformsConfigManager transformsConfigManager,
|
||||
AtomicReference<IndexerState> initialState, Map<String, Object> initialPosition, Client client) {
|
||||
DataFrameTransformsCheckpointService transformsCheckpointService, AtomicReference<IndexerState> initialState,
|
||||
Map<String, Object> initialPosition, Client client) {
|
||||
super(threadPool.executor(ThreadPool.Names.GENERIC), initialState, initialPosition);
|
||||
this.transformId = transformId;
|
||||
this.transformsConfigManager = transformsConfigManager;
|
||||
this.transformsCheckpointService = transformsCheckpointService;
|
||||
this.client = client;
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -0,0 +1,207 @@
|
|||
/*
|
||||
* Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
|
||||
* or more contributor license agreements. Licensed under the Elastic License;
|
||||
* you may not use this file except in compliance with the Elastic License.
|
||||
*/
|
||||
|
||||
package org.elasticsearch.xpack.dataframe.checkpoint;
|
||||
|
||||
import org.elasticsearch.action.admin.indices.stats.CommonStats;
|
||||
import org.elasticsearch.action.admin.indices.stats.ShardStats;
|
||||
import org.elasticsearch.cluster.routing.RecoverySource;
|
||||
import org.elasticsearch.cluster.routing.RecoverySource.PeerRecoverySource;
|
||||
import org.elasticsearch.cluster.routing.ShardRouting;
|
||||
import org.elasticsearch.cluster.routing.UnassignedInfo;
|
||||
import org.elasticsearch.common.UUIDs;
|
||||
import org.elasticsearch.index.Index;
|
||||
import org.elasticsearch.index.cache.query.QueryCacheStats;
|
||||
import org.elasticsearch.index.cache.request.RequestCacheStats;
|
||||
import org.elasticsearch.index.engine.SegmentsStats;
|
||||
import org.elasticsearch.index.fielddata.FieldDataStats;
|
||||
import org.elasticsearch.index.flush.FlushStats;
|
||||
import org.elasticsearch.index.get.GetStats;
|
||||
import org.elasticsearch.index.merge.MergeStats;
|
||||
import org.elasticsearch.index.refresh.RefreshStats;
|
||||
import org.elasticsearch.index.search.stats.SearchStats;
|
||||
import org.elasticsearch.index.seqno.SeqNoStats;
|
||||
import org.elasticsearch.index.shard.DocsStats;
|
||||
import org.elasticsearch.index.shard.IndexingStats;
|
||||
import org.elasticsearch.index.shard.ShardId;
|
||||
import org.elasticsearch.index.shard.ShardPath;
|
||||
import org.elasticsearch.index.store.StoreStats;
|
||||
import org.elasticsearch.index.warmer.WarmerStats;
|
||||
import org.elasticsearch.search.suggest.completion.CompletionStats;
|
||||
import org.elasticsearch.test.ESTestCase;
|
||||
|
||||
import java.nio.file.Path;
|
||||
import java.util.ArrayList;
|
||||
import java.util.Arrays;
|
||||
import java.util.Collections;
|
||||
import java.util.HashMap;
|
||||
import java.util.HashSet;
|
||||
import java.util.List;
|
||||
import java.util.Map;
|
||||
import java.util.Map.Entry;
|
||||
import java.util.Set;
|
||||
|
||||
import static org.hamcrest.Matchers.containsString;
|
||||
|
||||
public class DataFrameTransformsCheckpointServiceTests extends ESTestCase {
|
||||
|
||||
public void testExtractIndexCheckpoints() {
|
||||
Map<String, long[]> expectedCheckpoints = new HashMap<>();
|
||||
Set<String> indices = randomUserIndices();
|
||||
|
||||
ShardStats[] shardStatsArray = createRandomShardStats(expectedCheckpoints, indices, false, false);
|
||||
|
||||
Map<String, long[]> checkpoints = DataFrameTransformsCheckpointService.extractIndexCheckPoints(shardStatsArray, indices);
|
||||
|
||||
assertEquals(expectedCheckpoints.size(), checkpoints.size());
|
||||
assertEquals(expectedCheckpoints.keySet(), checkpoints.keySet());
|
||||
|
||||
// low-level compare
|
||||
for (Entry<String, long[]> entry : expectedCheckpoints.entrySet()) {
|
||||
assertTrue(Arrays.equals(entry.getValue(), checkpoints.get(entry.getKey())));
|
||||
}
|
||||
}
|
||||
|
||||
public void testExtractIndexCheckpointsLostPrimaries() {
|
||||
Map<String, long[]> expectedCheckpoints = new HashMap<>();
|
||||
Set<String> indices = randomUserIndices();
|
||||
|
||||
ShardStats[] shardStatsArray = createRandomShardStats(expectedCheckpoints, indices, true, false);
|
||||
|
||||
Map<String, long[]> checkpoints = DataFrameTransformsCheckpointService.extractIndexCheckPoints(shardStatsArray, indices);
|
||||
|
||||
assertEquals(expectedCheckpoints.size(), checkpoints.size());
|
||||
assertEquals(expectedCheckpoints.keySet(), checkpoints.keySet());
|
||||
|
||||
// low-level compare
|
||||
for (Entry<String, long[]> entry : expectedCheckpoints.entrySet()) {
|
||||
assertTrue(Arrays.equals(entry.getValue(), checkpoints.get(entry.getKey())));
|
||||
}
|
||||
}
|
||||
|
||||
public void testExtractIndexCheckpointsInconsistentGlobalCheckpoints() {
|
||||
Map<String, long[]> expectedCheckpoints = new HashMap<>();
|
||||
Set<String> indices = randomUserIndices();
|
||||
|
||||
ShardStats[] shardStatsArray = createRandomShardStats(expectedCheckpoints, indices, randomBoolean(), true);
|
||||
|
||||
// fail
|
||||
CheckpointException e = expectThrows(CheckpointException.class,
|
||||
() -> DataFrameTransformsCheckpointService.extractIndexCheckPoints(shardStatsArray, indices));
|
||||
|
||||
assertThat(e.getMessage(), containsString("Global checkpoints mismatch")); }
|
||||
|
||||
/**
|
||||
* Create a random set of 3 index names
|
||||
* @return set of indices a simulated user has access to
|
||||
*/
|
||||
private static Set<String> randomUserIndices() {
|
||||
Set<String> indices = new HashSet<>();
|
||||
|
||||
// never create an empty set
|
||||
if (randomBoolean()) {
|
||||
indices.add("index-1");
|
||||
} else {
|
||||
indices.add("index-2");
|
||||
}
|
||||
if (randomBoolean()) {
|
||||
indices.add("index-3");
|
||||
}
|
||||
return indices;
|
||||
}
|
||||
|
||||
/**
|
||||
* create a ShardStats for testing with random fuzzing
|
||||
*
|
||||
* @param expectedCheckpoints output parameter to return the checkpoints to expect
|
||||
* @param userIndices set of indices that are visible
|
||||
* @param skipPrimaries whether some shards do not have a primary shard at random
|
||||
* @param inconsistentGlobalCheckpoints whether to introduce inconsistent global checkpoints
|
||||
* @return array of ShardStats
|
||||
*/
|
||||
private static ShardStats[] createRandomShardStats(Map<String, long[]> expectedCheckpoints, Set<String> userIndices,
|
||||
boolean skipPrimaries, boolean inconsistentGlobalCheckpoints) {
|
||||
|
||||
// always create the full list
|
||||
List<Index> indices = new ArrayList<>();
|
||||
indices.add(new Index("index-1", UUIDs.randomBase64UUID(random())));
|
||||
indices.add(new Index("index-2", UUIDs.randomBase64UUID(random())));
|
||||
indices.add(new Index("index-3", UUIDs.randomBase64UUID(random())));
|
||||
|
||||
List<ShardStats> shardStats = new ArrayList<>();
|
||||
for (final Index index : indices) {
|
||||
int numShards = randomIntBetween(1, 5);
|
||||
|
||||
List<Long> checkpoints = new ArrayList<>();
|
||||
for (int shardIndex = 0; shardIndex < numShards; shardIndex++) {
|
||||
// we need at least one replica for testing
|
||||
int numShardCopies = randomIntBetween(2, 4);
|
||||
|
||||
int inconsistentReplica = -1;
|
||||
if (inconsistentGlobalCheckpoints) {
|
||||
inconsistentReplica = randomIntBetween(0, numShardCopies - 1);
|
||||
}
|
||||
|
||||
// SeqNoStats asserts that checkpoints are logical
|
||||
long localCheckpoint = randomLongBetween(0L, 100000000L);
|
||||
long globalCheckpoint = randomBoolean() ? localCheckpoint : randomLongBetween(0L, 100000000L);
|
||||
long maxSeqNo = Math.max(localCheckpoint, globalCheckpoint);
|
||||
|
||||
SeqNoStats seqNoStats = new SeqNoStats(maxSeqNo, localCheckpoint, globalCheckpoint);
|
||||
checkpoints.add(globalCheckpoint);
|
||||
|
||||
for (int replica = 0; replica < numShardCopies; replica++) {
|
||||
ShardId shardId = new ShardId(index, shardIndex);
|
||||
boolean primary = (replica == 0);
|
||||
|
||||
if (skipPrimaries) {
|
||||
primary = randomBoolean();
|
||||
}
|
||||
|
||||
Path path = createTempDir().resolve("indices").resolve(index.getUUID()).resolve(String.valueOf(shardIndex));
|
||||
ShardRouting shardRouting = ShardRouting.newUnassigned(shardId, primary,
|
||||
primary ? RecoverySource.EmptyStoreRecoverySource.INSTANCE : PeerRecoverySource.INSTANCE,
|
||||
new UnassignedInfo(UnassignedInfo.Reason.INDEX_CREATED, null)
|
||||
);
|
||||
shardRouting = shardRouting.initialize("node-0", null, ShardRouting.UNAVAILABLE_EXPECTED_SHARD_SIZE);
|
||||
shardRouting = shardRouting.moveToStarted();
|
||||
|
||||
CommonStats stats = new CommonStats();
|
||||
stats.fieldData = new FieldDataStats();
|
||||
stats.queryCache = new QueryCacheStats();
|
||||
stats.docs = new DocsStats();
|
||||
stats.store = new StoreStats();
|
||||
stats.indexing = new IndexingStats();
|
||||
stats.search = new SearchStats();
|
||||
stats.segments = new SegmentsStats();
|
||||
stats.merge = new MergeStats();
|
||||
stats.refresh = new RefreshStats();
|
||||
stats.completion = new CompletionStats();
|
||||
stats.requestCache = new RequestCacheStats();
|
||||
stats.get = new GetStats();
|
||||
stats.flush = new FlushStats();
|
||||
stats.warmer = new WarmerStats();
|
||||
|
||||
if (inconsistentReplica == replica) {
|
||||
// overwrite
|
||||
seqNoStats = new SeqNoStats(maxSeqNo, localCheckpoint, globalCheckpoint + randomLongBetween(10L, 100L));
|
||||
}
|
||||
|
||||
shardStats.add(new ShardStats(shardRouting, new ShardPath(false, path, path, shardId), stats, null, seqNoStats, null));
|
||||
}
|
||||
}
|
||||
|
||||
if (userIndices.contains(index.getName())) {
|
||||
expectedCheckpoints.put(index.getName(), checkpoints.stream().mapToLong(l -> l).toArray());
|
||||
}
|
||||
}
|
||||
// shuffle the shard stats
|
||||
Collections.shuffle(shardStats, random());
|
||||
ShardStats[] shardStatsArray = shardStats.toArray(new ShardStats[0]);
|
||||
return shardStatsArray;
|
||||
}
|
||||
|
||||
}
|
||||
|
|
@ -11,6 +11,7 @@ import org.elasticsearch.action.LatchedActionListener;
|
|||
import org.elasticsearch.cluster.ClusterState;
|
||||
import org.elasticsearch.common.CheckedConsumer;
|
||||
import org.elasticsearch.common.settings.Settings;
|
||||
import org.elasticsearch.index.reindex.ReindexPlugin;
|
||||
import org.elasticsearch.plugins.Plugin;
|
||||
import org.elasticsearch.test.ESSingleNodeTestCase;
|
||||
import org.elasticsearch.xpack.core.template.TemplateUtils;
|
||||
|
|
@ -43,7 +44,7 @@ public abstract class DataFrameSingleNodeTestCase extends ESSingleNodeTestCase {
|
|||
|
||||
@Override
|
||||
protected Collection<Class<? extends Plugin>> getPlugins() {
|
||||
return pluginList(LocalStateDataFrame.class);
|
||||
return pluginList(LocalStateDataFrame.class, ReindexPlugin.class);
|
||||
}
|
||||
|
||||
protected <T> void assertAsync(Consumer<ActionListener<T>> function, T expected, CheckedConsumer<T, ? extends Exception> onAnswer,
|
||||
|
|
|
|||
|
|
@ -9,6 +9,8 @@ package org.elasticsearch.xpack.dataframe.persistence;
|
|||
import org.elasticsearch.ResourceAlreadyExistsException;
|
||||
import org.elasticsearch.ResourceNotFoundException;
|
||||
import org.elasticsearch.xpack.core.dataframe.DataFrameMessages;
|
||||
import org.elasticsearch.xpack.core.dataframe.transforms.DataFrameTransformCheckpoint;
|
||||
import org.elasticsearch.xpack.core.dataframe.transforms.DataFrameTransformCheckpointTests;
|
||||
import org.elasticsearch.xpack.core.dataframe.transforms.DataFrameTransformConfig;
|
||||
import org.elasticsearch.xpack.core.dataframe.transforms.DataFrameTransformConfigTests;
|
||||
import org.junit.Before;
|
||||
|
|
@ -48,7 +50,7 @@ public class DataFrameTransformsConfigManagerTests extends DataFrameSingleNodeTe
|
|||
|
||||
public void testDeleteMissingTransform() throws InterruptedException {
|
||||
// the index does not exist yet
|
||||
assertAsync(listener -> transformsConfigManager.deleteTransformConfiguration("not_there", listener), (Boolean) null, null, e -> {
|
||||
assertAsync(listener -> transformsConfigManager.deleteTransform("not_there", listener), (Boolean) null, null, e -> {
|
||||
assertEquals(ResourceNotFoundException.class, e.getClass());
|
||||
assertEquals(DataFrameMessages.getMessage(DataFrameMessages.REST_DATA_FRAME_UNKNOWN_TRANSFORM, "not_there"), e.getMessage());
|
||||
});
|
||||
|
|
@ -60,13 +62,13 @@ public class DataFrameTransformsConfigManagerTests extends DataFrameSingleNodeTe
|
|||
true, null, null);
|
||||
|
||||
// same test, but different code path
|
||||
assertAsync(listener -> transformsConfigManager.deleteTransformConfiguration("not_there", listener), (Boolean) null, null, e -> {
|
||||
assertAsync(listener -> transformsConfigManager.deleteTransform("not_there", listener), (Boolean) null, null, e -> {
|
||||
assertEquals(ResourceNotFoundException.class, e.getClass());
|
||||
assertEquals(DataFrameMessages.getMessage(DataFrameMessages.REST_DATA_FRAME_UNKNOWN_TRANSFORM, "not_there"), e.getMessage());
|
||||
});
|
||||
}
|
||||
|
||||
public void testCreateReadDelete() throws InterruptedException {
|
||||
public void testCreateReadDeleteTransform() throws InterruptedException {
|
||||
DataFrameTransformConfig transformConfig = DataFrameTransformConfigTests.randomDataFrameTransformConfig();
|
||||
|
||||
// create transform
|
||||
|
|
@ -84,11 +86,10 @@ public class DataFrameTransformsConfigManagerTests extends DataFrameSingleNodeTe
|
|||
});
|
||||
|
||||
// delete transform
|
||||
assertAsync(listener -> transformsConfigManager.deleteTransformConfiguration(transformConfig.getId(), listener), true, null, null);
|
||||
assertAsync(listener -> transformsConfigManager.deleteTransform(transformConfig.getId(), listener), true, null, null);
|
||||
|
||||
// delete again
|
||||
assertAsync(listener -> transformsConfigManager.deleteTransformConfiguration(transformConfig.getId(), listener), (Boolean) null,
|
||||
null, e -> {
|
||||
assertAsync(listener -> transformsConfigManager.deleteTransform(transformConfig.getId(), listener), (Boolean) null, null, e -> {
|
||||
assertEquals(ResourceNotFoundException.class, e.getClass());
|
||||
assertEquals(DataFrameMessages.getMessage(DataFrameMessages.REST_DATA_FRAME_UNKNOWN_TRANSFORM, transformConfig.getId()),
|
||||
e.getMessage());
|
||||
|
|
@ -102,4 +103,29 @@ public class DataFrameTransformsConfigManagerTests extends DataFrameSingleNodeTe
|
|||
e.getMessage());
|
||||
});
|
||||
}
|
||||
|
||||
public void testCreateReadDeleteCheckPoint() throws InterruptedException {
|
||||
DataFrameTransformCheckpoint checkpoint = DataFrameTransformCheckpointTests.randomDataFrameTransformCheckpoints();
|
||||
|
||||
// create
|
||||
assertAsync(listener -> transformsConfigManager.putTransformCheckpoint(checkpoint, listener), true, null, null);
|
||||
|
||||
// read
|
||||
assertAsync(listener -> transformsConfigManager.getTransformCheckpoint(checkpoint.getTransformId(), checkpoint.getCheckpoint(),
|
||||
listener), checkpoint, null, null);
|
||||
|
||||
// delete
|
||||
assertAsync(listener -> transformsConfigManager.deleteTransform(checkpoint.getTransformId(), listener), true, null, null);
|
||||
|
||||
// delete again
|
||||
assertAsync(listener -> transformsConfigManager.deleteTransform(checkpoint.getTransformId(), listener), (Boolean) null, null, e -> {
|
||||
assertEquals(ResourceNotFoundException.class, e.getClass());
|
||||
assertEquals(DataFrameMessages.getMessage(DataFrameMessages.REST_DATA_FRAME_UNKNOWN_TRANSFORM, checkpoint.getTransformId()),
|
||||
e.getMessage());
|
||||
});
|
||||
|
||||
// getting a non-existing checkpoint returns null
|
||||
assertAsync(listener -> transformsConfigManager.getTransformCheckpoint(checkpoint.getTransformId(), checkpoint.getCheckpoint(),
|
||||
listener), DataFrameTransformCheckpoint.EMPTY, null, null);
|
||||
}
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue