dnet-hadoop/dhp-workflows/dhp-broker-events/src/main/java/eu/dnetlib/dhp/broker/oa/IndexNotificationsJob.java

251 lines
8.8 KiB
Java

package eu.dnetlib.dhp.broker.oa;
import java.io.IOException;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;
import org.apache.commons.codec.digest.DigestUtils;
import org.apache.commons.io.IOUtils;
import org.apache.commons.lang3.StringUtils;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpDelete;
import org.apache.http.client.methods.HttpGet;
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.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.ConditionParams;
import eu.dnetlib.dhp.broker.model.Event;
import eu.dnetlib.dhp.broker.model.MappedFields;
import eu.dnetlib.dhp.broker.model.Notification;
import eu.dnetlib.dhp.broker.model.Subscription;
import eu.dnetlib.dhp.broker.oa.util.ClusterUtils;
import eu.dnetlib.dhp.broker.oa.util.NotificationGroup;
import eu.dnetlib.dhp.broker.oa.util.SubscriptionUtils;
public class IndexNotificationsJob {
private static final Logger log = LoggerFactory.getLogger(IndexNotificationsJob.class);
public static void main(final String[] args) throws Exception {
final ArgumentApplicationParser parser = new ArgumentApplicationParser(
IOUtils
.toString(
IndexNotificationsJob.class
.getResourceAsStream("/eu/dnetlib/dhp/broker/oa/index_notifications.json")));
parser.parseArgument(args);
final SparkConf conf = new SparkConf();
final String eventsPath = parser.get("outputDir") + "/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 String esBatchWriteRetryCount = parser.get("esBatchWriteRetryCount");
log.info("esBatchWriteRetryCount: {}", esBatchWriteRetryCount);
final String esBatchWriteRetryWait = parser.get("esBatchWriteRetryWait");
log.info("esBatchWriteRetryWait: {}", esBatchWriteRetryWait);
final String esBatchSizeEntries = parser.get("esBatchSizeEntries");
log.info("esBatchSizeEntries: {}", esBatchSizeEntries);
final String esNodesWanOnly = parser.get("esNodesWanOnly");
log.info("esNodesWanOnly: {}", esNodesWanOnly);
final String brokerApiBaseUrl = parser.get("brokerApiBaseUrl");
log.info("brokerApiBaseUrl: {}", brokerApiBaseUrl);
final SparkSession spark = SparkSession.builder().config(conf).getOrCreate();
final LongAccumulator total = spark.sparkContext().longAccumulator("total_indexed");
final long startTime = new Date().getTime();
final List<Subscription> subscriptions = listSubscriptions(brokerApiBaseUrl);
log.info("Number of subscriptions: " + subscriptions.size());
if (subscriptions.size() > 0) {
final Dataset<Notification> notifications = ClusterUtils
.readPath(spark, eventsPath, Event.class)
.map(e -> generateNotifications(e, subscriptions, startTime), Encoders.bean(NotificationGroup.class))
.flatMap(g -> g.getData().iterator(), Encoders.bean(Notification.class));
final JavaRDD<String> inputRdd = notifications
.map(n -> prepareForIndexing(n, 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", "notificationId"); // THE PRIMARY KEY
esCfg.put("es.batch.write.retry.count", esBatchWriteRetryCount);
esCfg.put("es.batch.write.retry.wait", esBatchWriteRetryWait);
esCfg.put("es.batch.size.entries", esBatchSizeEntries);
esCfg.put("es.nodes.wan.only", esNodesWanOnly);
log.info("*** Start indexing");
JavaEsSpark.saveJsonToEs(inputRdd, index, esCfg);
log.info("*** End indexing");
log.info("*** Deleting old notifications");
final String message = deleteOldNotifications(brokerApiBaseUrl, startTime - 1000);
log.info("*** Deleted notifications: " + message);
log.info("*** sendNotifications (emails, ...)");
sendNotifications(brokerApiBaseUrl, startTime - 1000);
log.info("*** ALL done.");
}
}
private static NotificationGroup generateNotifications(final Event e,
final List<Subscription> subscriptions,
final long date) {
final List<Notification> list = subscriptions
.stream()
.filter(
s -> StringUtils.isBlank(s.getTopic()) || s.getTopic().equals("*") || s.getTopic().equals(e.getTopic()))
.filter(s -> verifyConditions(e.getMap(), s.conditionsAsMap()))
.map(s -> generateNotification(s, e, date))
.collect(Collectors.toList());
return new NotificationGroup(list);
}
private static Notification generateNotification(final Subscription s, final Event e, final long date) {
final Notification n = new Notification();
n.setNotificationId("ntf-" + DigestUtils.md5Hex(s.getSubscriptionId() + "@@@" + e.getEventId()));
n.setSubscriptionId(s.getSubscriptionId());
n.setEventId(e.getEventId());
n.setProducerId(e.getProducerId());
n.setTopic(e.getTopic());
n.setPayload(e.getPayload());
n.setMap(e.getMap());
n.setDate(date);
return n;
}
private static boolean verifyConditions(final MappedFields map,
final Map<String, List<ConditionParams>> conditions) {
if (conditions.containsKey("targetDatasourceName")
&& !SubscriptionUtils
.verifyExact(map.getTargetDatasourceName(), conditions.get("targetDatasourceName").get(0).getValue())) {
return false;
}
if (conditions.containsKey("trust")
&& !SubscriptionUtils
.verifyFloatRange(
map.getTrust(), conditions.get("trust").get(0).getValue(),
conditions.get("trust").get(0).getOtherValue())) {
return false;
}
if (conditions.containsKey("targetDateofacceptance") && !conditions
.get("targetDateofacceptance")
.stream()
.anyMatch(
c -> SubscriptionUtils
.verifyDateRange(map.getTargetDateofacceptance(), c.getValue(), c.getOtherValue()))) {
return false;
}
if (conditions.containsKey("targetResultTitle")
&& !conditions
.get("targetResultTitle")
.stream()
.anyMatch(c -> SubscriptionUtils.verifySimilar(map.getTargetResultTitle(), c.getValue()))) {
return false;
}
if (conditions.containsKey("targetAuthors")
&& !conditions
.get("targetAuthors")
.stream()
.allMatch(c -> SubscriptionUtils.verifyListSimilar(map.getTargetAuthors(), c.getValue()))) {
return false;
}
if (conditions.containsKey("targetSubjects")
&& !conditions
.get("targetSubjects")
.stream()
.allMatch(c -> SubscriptionUtils.verifyListExact(map.getTargetSubjects(), c.getValue()))) {
return false;
}
return true;
}
private static List<Subscription> listSubscriptions(final String brokerApiBaseUrl) throws Exception {
final String url = brokerApiBaseUrl + "/api/subscriptions";
final HttpGet req = new HttpGet(url);
final ObjectMapper mapper = new ObjectMapper();
try (final CloseableHttpClient client = HttpClients.createDefault()) {
try (final CloseableHttpResponse response = client.execute(req)) {
final String s = IOUtils.toString(response.getEntity().getContent());
return mapper
.readValue(s, mapper.getTypeFactory().constructCollectionType(List.class, Subscription.class));
}
}
}
private static String deleteOldNotifications(final String brokerApiBaseUrl, final long l) throws Exception {
final String url = brokerApiBaseUrl + "/api/notifications/byDate/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 sendNotifications(final String brokerApiBaseUrl, final long l) throws IOException {
final String url = brokerApiBaseUrl + "/api/openaireBroker/notifications/send/" + l;
final HttpGet req = new HttpGet(url);
try (final CloseableHttpClient client = HttpClients.createDefault()) {
try (final CloseableHttpResponse response = client.execute(req)) {
return IOUtils.toString(response.getEntity().getContent());
}
}
}
private static String prepareForIndexing(final Notification n, final LongAccumulator acc)
throws JsonProcessingException {
acc.add(1);
return new ObjectMapper().writeValueAsString(n);
}
}