dmsolr commented on a change in pull request #4239: Provide influxdb as a new storage plugin URL: https://github.com/apache/skywalking/pull/4239#discussion_r379879952
########## File path: oap-server/server-storage-plugin/storage-influxdb-plugin/src/main/java/org/apache/skywalking/oap/server/storage/plugin/influxdb/query/ProfileThreadSnapshotQuery.java ########## @@ -0,0 +1,165 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF 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.apache.skywalking.oap.server.storage.plugin.influxdb.query; + +import com.google.common.base.Joiner; +import com.google.common.collect.Lists; +import java.io.IOException; +import java.util.ArrayList; +import java.util.Base64; +import java.util.Collections; +import java.util.LinkedList; +import java.util.List; +import org.apache.skywalking.apm.util.StringUtil; +import org.apache.skywalking.oap.server.core.analysis.manual.segment.SegmentRecord; +import org.apache.skywalking.oap.server.core.profile.ProfileThreadSnapshotRecord; +import org.apache.skywalking.oap.server.core.query.entity.BasicTrace; +import org.apache.skywalking.oap.server.core.storage.profile.IProfileThreadSnapshotQueryDAO; +import org.apache.skywalking.oap.server.library.util.BooleanUtils; +import org.apache.skywalking.oap.server.storage.plugin.influxdb.InfluxClient; +import org.influxdb.dto.QueryResult; +import org.influxdb.querybuilder.WhereQueryImpl; + +import static org.influxdb.querybuilder.BuiltQuery.QueryBuilder.contains; +import static org.influxdb.querybuilder.BuiltQuery.QueryBuilder.eq; +import static org.influxdb.querybuilder.BuiltQuery.QueryBuilder.gte; +import static org.influxdb.querybuilder.BuiltQuery.QueryBuilder.lte; +import static org.influxdb.querybuilder.BuiltQuery.QueryBuilder.select; + +public class ProfileThreadSnapshotQuery implements IProfileThreadSnapshotQueryDAO { + private final InfluxClient client; + + public ProfileThreadSnapshotQuery(InfluxClient client) { + this.client = client; + } + + @Override + public List<BasicTrace> queryProfiledSegments(String taskId) throws IOException { + WhereQueryImpl query = select(ProfileThreadSnapshotRecord.SEGMENT_ID) + .from(client.getDatabase(), ProfileThreadSnapshotRecord.INDEX_NAME) + .where() + .and(eq(ProfileThreadSnapshotRecord.TASK_ID, taskId)) + .and(eq(ProfileThreadSnapshotRecord.SEQUENCE, 0)); + + final LinkedList<String> segments = new LinkedList<>(); + QueryResult.Series series = client.queryForSingleSeries(query); + if (series == null) { + return Collections.emptyList(); + } + series.getValues().forEach(values -> { + segments.add((String) values.get(1)); + }); + + if (segments.isEmpty()) { + return Collections.emptyList(); + } + + query = select() + .function("bottom", SegmentRecord.START_TIME, segments.size()) + .column(SegmentRecord.SEGMENT_ID) + .column(SegmentRecord.START_TIME) + .column(SegmentRecord.ENDPOINT_NAME) + .column(SegmentRecord.LATENCY) + .column(SegmentRecord.IS_ERROR) + .column(SegmentRecord.TRACE_ID) + .from(client.getDatabase(), SegmentRecord.INDEX_NAME) + .where() + .and(contains(SegmentRecord.SEGMENT_ID, Joiner.on("|").join(segments))); + + ArrayList<BasicTrace> result = Lists.newArrayListWithCapacity(segments.size()); + client.queryForSingleSeries(query) + .getValues() + .stream() + .sorted((a, b) -> Long.compare(((Number) b.get(1)).longValue(), ((Number) a.get(1)).longValue())) + .forEach(values -> { + BasicTrace basicTrace = new BasicTrace(); + + basicTrace.setSegmentId((String) values.get(2)); + basicTrace.setStart(String.valueOf(values.get(3))); + basicTrace.getEndpointNames().add((String) values.get(4)); + basicTrace.setDuration((int) values.get(5)); + basicTrace.setError(BooleanUtils.valueToBoolean((int) values.get(6))); + String traceIds = (String) values.get(7); + basicTrace.getTraceIds().add(traceIds); + + result.add(basicTrace); + }); + + return result; + } + + @Override + public int queryMinSequence(String segmentId, long start, long end) throws IOException { + return querySequenceWithAgg("min", segmentId, start, end); + } + + @Override + public int queryMaxSequence(String segmentId, long start, long end) throws IOException { + return querySequenceWithAgg("max", segmentId, start, end); + } + + @Override + public List<ProfileThreadSnapshotRecord> queryRecords(String segmentId, int minSequence, + int maxSequence) throws IOException { + WhereQueryImpl query = select( + ProfileThreadSnapshotRecord.TASK_ID, + ProfileThreadSnapshotRecord.SEGMENT_ID, + ProfileThreadSnapshotRecord.DUMP_TIME, + ProfileThreadSnapshotRecord.SEQUENCE, + ProfileThreadSnapshotRecord.STACK_BINARY + ) + .from(client.getDatabase(), ProfileThreadSnapshotRecord.INDEX_NAME) + .where(eq(ProfileThreadSnapshotRecord.SEGMENT_ID, segmentId)) + .and(gte(ProfileThreadSnapshotRecord.SEQUENCE, minSequence)) + .and(lte(ProfileThreadSnapshotRecord.SEQUENCE, maxSequence)); + + ArrayList<ProfileThreadSnapshotRecord> result = new ArrayList<>(maxSequence - minSequence); + client.queryForSingleSeries(query).getValues().forEach(values -> { + ProfileThreadSnapshotRecord record = new ProfileThreadSnapshotRecord(); + + record.setTaskId((String) values.get(1)); + record.setSegmentId((String) values.get(2)); + record.setDumpTime(((Number) values.get(3)).longValue()); + record.setSequence((int) values.get(4)); + String dataBinaryBase64 = String.valueOf(values.get(5)); + if (StringUtil.isNotEmpty(dataBinaryBase64)) { + record.setStackBinary(Base64.getDecoder().decode(dataBinaryBase64)); Review comment: This class is included in skywaking-agent-core module. 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