127 lines
4.4 KiB
Java
127 lines
4.4 KiB
Java
|
|
package eu.dnetlib.dhp.broker.oa;
|
|
|
|
import java.util.Date;
|
|
import java.util.HashMap;
|
|
import java.util.Map;
|
|
|
|
import org.apache.commons.io.IOUtils;
|
|
import org.apache.commons.lang3.math.NumberUtils;
|
|
import org.apache.http.client.methods.CloseableHttpResponse;
|
|
import org.apache.http.client.methods.HttpDelete;
|
|
import org.apache.http.impl.client.CloseableHttpClient;
|
|
import org.apache.http.impl.client.HttpClients;
|
|
import org.apache.spark.SparkConf;
|
|
import org.apache.spark.api.java.JavaRDD;
|
|
import org.apache.spark.sql.Dataset;
|
|
import org.apache.spark.sql.Encoders;
|
|
import org.apache.spark.sql.SparkSession;
|
|
import org.apache.spark.sql.TypedColumn;
|
|
import org.apache.spark.util.LongAccumulator;
|
|
import org.elasticsearch.spark.rdd.api.java.JavaEsSpark;
|
|
import org.slf4j.Logger;
|
|
import org.slf4j.LoggerFactory;
|
|
|
|
import com.fasterxml.jackson.core.JsonProcessingException;
|
|
import com.fasterxml.jackson.databind.ObjectMapper;
|
|
|
|
import eu.dnetlib.dhp.application.ArgumentApplicationParser;
|
|
import eu.dnetlib.dhp.broker.model.Event;
|
|
import eu.dnetlib.dhp.broker.oa.util.ClusterUtils;
|
|
import eu.dnetlib.dhp.broker.oa.util.EventGroup;
|
|
import eu.dnetlib.dhp.broker.oa.util.aggregators.subset.EventSubsetAggregator;
|
|
|
|
public class IndexEventSubsetJob {
|
|
|
|
private static final Logger log = LoggerFactory.getLogger(IndexEventSubsetJob.class);
|
|
|
|
public static void main(final String[] args) throws Exception {
|
|
|
|
final ArgumentApplicationParser parser = new ArgumentApplicationParser(
|
|
IOUtils
|
|
.toString(
|
|
IndexEventSubsetJob.class
|
|
.getResourceAsStream("/eu/dnetlib/dhp/broker/oa/index_event_subset.json")));
|
|
parser.parseArgument(args);
|
|
|
|
final SparkConf conf = new SparkConf();
|
|
|
|
final String eventsPath = parser.get("workingPath") + "/events";
|
|
log.info("eventsPath: {}", eventsPath);
|
|
|
|
final String index = parser.get("index");
|
|
log.info("index: {}", index);
|
|
|
|
final String indexHost = parser.get("esHost");
|
|
log.info("indexHost: {}", indexHost);
|
|
|
|
final int maxEventsForTopic = NumberUtils.toInt(parser.get("maxEventsForTopic"));
|
|
log.info("maxEventsForTopic: {}", maxEventsForTopic);
|
|
|
|
final String brokerApiBaseUrl = parser.get("brokerApiBaseUrl");
|
|
log.info("brokerApiBaseUrl: {}", brokerApiBaseUrl);
|
|
|
|
final SparkSession spark = SparkSession.builder().config(conf).getOrCreate();
|
|
|
|
final TypedColumn<Event, EventGroup> aggr = new EventSubsetAggregator(maxEventsForTopic).toColumn();
|
|
|
|
final LongAccumulator total = spark.sparkContext().longAccumulator("total_indexed");
|
|
|
|
final long now = new Date().getTime();
|
|
|
|
final Dataset<Event> subset = ClusterUtils
|
|
.readPath(spark, eventsPath, Event.class)
|
|
.groupByKey(e -> e.getTopic() + '@' + e.getMap().getTargetDatasourceId(), Encoders.STRING())
|
|
.agg(aggr)
|
|
.map(t -> t._2, Encoders.bean(EventGroup.class))
|
|
.flatMap(g -> g.getData().iterator(), Encoders.bean(Event.class));
|
|
|
|
final JavaRDD<String> inputRdd = subset
|
|
.map(e -> prepareEventForIndexing(e, now, total), Encoders.STRING())
|
|
.javaRDD();
|
|
|
|
final Map<String, String> esCfg = new HashMap<>();
|
|
// esCfg.put("es.nodes", "10.19.65.51, 10.19.65.52, 10.19.65.53, 10.19.65.54");
|
|
|
|
esCfg.put("es.index.auto.create", "false");
|
|
esCfg.put("es.nodes", indexHost);
|
|
esCfg.put("es.mapping.id", "eventId"); // THE PRIMARY KEY
|
|
esCfg.put("es.batch.write.retry.count", "8");
|
|
esCfg.put("es.batch.write.retry.wait", "60s");
|
|
esCfg.put("es.batch.size.entries", "200");
|
|
esCfg.put("es.nodes.wan.only", "true");
|
|
|
|
log.info("*** Start indexing");
|
|
JavaEsSpark.saveJsonToEs(inputRdd, index, esCfg);
|
|
log.info("*** End indexing");
|
|
|
|
log.info("*** Deleting old events");
|
|
final String message = deleteOldEvents(brokerApiBaseUrl, now - 1000);
|
|
log.info("*** Deleted events: " + message);
|
|
|
|
}
|
|
|
|
private static String deleteOldEvents(final String brokerApiBaseUrl, final long l) throws Exception {
|
|
final String url = brokerApiBaseUrl + "/api/events/byCreationDate/0/" + l;
|
|
final HttpDelete req = new HttpDelete(url);
|
|
|
|
try (final CloseableHttpClient client = HttpClients.createDefault()) {
|
|
try (final CloseableHttpResponse response = client.execute(req)) {
|
|
return IOUtils.toString(response.getEntity().getContent());
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
private static String prepareEventForIndexing(final Event e, final long creationDate, final LongAccumulator acc)
|
|
throws JsonProcessingException {
|
|
acc.add(1);
|
|
|
|
e.setCreationDate(creationDate);
|
|
e.setExpiryDate(Long.MAX_VALUE);
|
|
|
|
return new ObjectMapper().writeValueAsString(e);
|
|
}
|
|
|
|
}
|