106 lines
3.4 KiB
Java
106 lines
3.4 KiB
Java
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package eu.dnetlib.dhp.broker.oa;
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import static eu.dnetlib.dhp.common.SparkSessionSupport.runWithSparkSession;
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import java.io.IOException;
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import java.util.Optional;
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import java.util.Properties;
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import org.apache.commons.io.IOUtils;
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import org.apache.http.client.methods.CloseableHttpResponse;
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import org.apache.http.client.methods.HttpGet;
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import org.apache.http.impl.client.CloseableHttpClient;
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import org.apache.http.impl.client.HttpClients;
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import org.apache.spark.SparkConf;
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import org.apache.spark.api.java.function.MapFunction;
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import org.apache.spark.sql.Encoders;
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import org.apache.spark.sql.SaveMode;
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import org.apache.spark.sql.TypedColumn;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import eu.dnetlib.dhp.application.ArgumentApplicationParser;
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import eu.dnetlib.dhp.broker.model.Event;
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import eu.dnetlib.dhp.broker.oa.util.ClusterUtils;
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import eu.dnetlib.dhp.broker.oa.util.aggregators.stats.DatasourceStats;
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import eu.dnetlib.dhp.broker.oa.util.aggregators.stats.StatsAggregator;
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import scala.Tuple2;
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public class GenerateStatsJob {
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private static final Logger log = LoggerFactory.getLogger(GenerateStatsJob.class);
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public static void main(final String[] args) throws Exception {
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final ArgumentApplicationParser parser = new ArgumentApplicationParser(
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IOUtils
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.toString(
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GenerateStatsJob.class
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.getResourceAsStream("/eu/dnetlib/dhp/broker/oa/stats_params.json")));
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parser.parseArgument(args);
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final Boolean isSparkSessionManaged = Optional
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.ofNullable(parser.get("isSparkSessionManaged"))
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.map(Boolean::valueOf)
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.orElse(Boolean.TRUE);
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log.info("isSparkSessionManaged: {}", isSparkSessionManaged);
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final SparkConf conf = new SparkConf();
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final String eventsPath = parser.get("outputDir") + "/events";
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log.info("eventsPath: {}", eventsPath);
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final String dbUrl = parser.get("dbUrl");
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log.info("dbUrl: {}", dbUrl);
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final String dbUser = parser.get("dbUser");
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log.info("dbUser: {}", dbUser);
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final String dbPassword = parser.get("dbPassword");
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log.info("dbPassword: {}", "***");
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final String brokerApiBaseUrl = parser.get("brokerApiBaseUrl");
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log.info("brokerApiBaseUrl: {}", brokerApiBaseUrl);
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final TypedColumn<Event, DatasourceStats> aggr = new StatsAggregator().toColumn();
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final Properties connectionProperties = new Properties();
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connectionProperties.put("user", dbUser);
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connectionProperties.put("password", dbPassword);
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runWithSparkSession(conf, isSparkSessionManaged, spark -> {
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ClusterUtils
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.readPath(spark, eventsPath, Event.class)
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.groupByKey(
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(MapFunction<Event, String>) e -> e.getTopic() + "@@@" + e.getMap().getTargetDatasourceId(),
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Encoders.STRING())
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.agg(aggr)
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.map(
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(MapFunction<Tuple2<String, DatasourceStats>, DatasourceStats>) t -> t._2,
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Encoders.bean(DatasourceStats.class))
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.write()
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.mode(SaveMode.Overwrite)
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.jdbc(dbUrl, "oa_datasource_stats_temp", connectionProperties);
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log.info("*** updateStats");
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updateStats(brokerApiBaseUrl);
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log.info("*** ALL done.");
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});
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}
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private static String updateStats(final String brokerApiBaseUrl) throws IOException {
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final String url = brokerApiBaseUrl + "/api/openaireBroker/stats/update";
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final HttpGet req = new HttpGet(url);
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try (final CloseableHttpClient client = HttpClients.createDefault()) {
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try (final CloseableHttpResponse response = client.execute(req)) {
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return IOUtils.toString(response.getEntity().getContent());
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}
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}
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}
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}
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