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5f5c0937d1
* Rename web to wherehows-api and update README. * Rename backend-service to wherehows-backend * Rename metadata-etl to wherehows-etl * Rename hadoop-dataset-extractor-standalone to wherehows-hadoop
97 lines
4.0 KiB
Java
97 lines
4.0 KiB
Java
/**
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* Copyright 2015 LinkedIn Corp. All rights reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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*/
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package models.kafka;
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import java.util.Map;
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import java.util.regex.Matcher;
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import java.util.regex.Pattern;
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import org.apache.avro.generic.GenericData;
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import wherehows.common.schemas.GobblinTrackingDistcpNgRecord;
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import wherehows.common.schemas.Record;
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import wherehows.common.utils.ClusterUtil;
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import wherehows.common.utils.StringUtil;
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/**
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* Kafka message processor for Gobblin tracking event distcp_ng topic
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*/
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public class GobblinTrackingDistcpNgProcessor extends KafkaConsumerProcessor {
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// for data path hdfs://ltx1-holdemnn01.grid.linkedin.com:9000/data/tracking/abc/hourly/2016/07/10/00/part-2560590.avro
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// cut into 4 pieces: cluster + dataset + partitionType + partition
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private final String PathRegex = "^\\w+:\\/\\/(\\w+-\\w+\\.grid.*:\\d+)\\/(.*)\\/([\\w-]+)\\/(\\d+.*\\/\\d+)\\/\\w.*$";
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private final Pattern PathPattern = Pattern.compile(PathRegex);
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/**
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* Process a Gobblin tracking event distcp_ng event record
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* @param record GenericData.Record
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* @param topic
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* @return Record
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* @throws Exception
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*/
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@Override
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public Record process(GenericData.Record record, String topic)
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throws Exception {
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GobblinTrackingDistcpNgRecord eventRecord = null;
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// handle namespace "gobblin.copy.CopyDataPublisher"
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if (record != null && record.get("namespace") != null && record.get("name") != null
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&& "gobblin.copy.CopyDataPublisher".equals(record.get("namespace").toString())) {
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final String name = record.get("name").toString();
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if (name.equals("DatasetPublished")) { // || name.equals("FilePublished")) {
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// logger.info("Processing Gobblin tracking event record: " + name);
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final long timestamp = (long) record.get("timestamp");
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final Map<String, String> metadata = StringUtil.convertObjectMapToStringMap(record.get("metadata"));
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final String jobContext = "DistcpNG:" + name;
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final String cluster = ClusterUtil.matchClusterCode(metadata.get("clusterIdentifier"));
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final String projectName = metadata.get("azkabanProjectName");
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final String flowId = metadata.get("azkabanFlowId");
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final String jobId = metadata.get("azkabanJobId");
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final int execId = StringUtil.parseInteger(metadata.get("azkabanExecId"));
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// final String metricContextId = metadata.get("metricContextID");
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// final String metricContextName = metadata.get("metricContextName");
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final long upstreamTimestamp = StringUtil.parseLong(metadata.get("upstreamTimestamp"));
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final long originTimestamp = StringUtil.parseLong(metadata.get("originTimestamp"));
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final String sourcePath = metadata.get("SourcePath");
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final String targetPath = metadata.get("TargetPath");
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final String dataset = metadata.get("datasetUrn");
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String partitionType = null;
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String partitionName = null;
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if (name.equals("DatasetPublished")) {
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partitionName = metadata.get("partition");
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}
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// name "FilePublished"
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else {
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final Matcher m = PathPattern.matcher(targetPath);
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if (m.find()) {
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partitionType = m.group(3);
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partitionName = m.group(4);
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}
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}
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eventRecord =
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new GobblinTrackingDistcpNgRecord(timestamp, jobContext, cluster, projectName, flowId, jobId, execId);
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eventRecord.setDatasetUrn(dataset, partitionType, partitionName);
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eventRecord.setEventInfo(upstreamTimestamp, originTimestamp, sourcePath, targetPath);
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}
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}
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return eventRecord;
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}
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}
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