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+/**
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+ * Licensed to the Apache Software Foundation (ASF) under one
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+ * or more contributor license agreements. See the NOTICE file
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+ * distributed with this work for additional information
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+ * regarding copyright ownership. The ASF licenses this file
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+ * to you under the Apache License, Version 2.0 (the
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+ * "License"); you may not use this file except in compliance
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+ * with the License. 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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+ * See the License for the specific language governing permissions and
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+ * limitations under the License.
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+ */
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+
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+package org.apache.hadoop.metrics2.sink.storm;
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+
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+import backtype.storm.generated.ClusterSummary;
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+import backtype.storm.generated.SupervisorSummary;
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+import backtype.storm.generated.TopologySummary;
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+import backtype.storm.metric.IClusterReporter;
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+import backtype.storm.utils.NimbusClient;
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+import backtype.storm.utils.Utils;
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+import org.apache.commons.lang.ClassUtils;
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+import org.apache.commons.lang.Validate;
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+import org.apache.hadoop.metrics2.sink.timeline.AbstractTimelineMetricsSink;
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+import org.apache.hadoop.metrics2.sink.timeline.TimelineMetric;
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+import org.apache.hadoop.metrics2.sink.timeline.TimelineMetrics;
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+import org.apache.hadoop.metrics2.util.Servers;
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+import org.codehaus.jackson.map.AnnotationIntrospector;
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+
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+import java.net.InetAddress;
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+import java.net.InetSocketAddress;
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+import java.net.SocketAddress;
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+import java.net.UnknownHostException;
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+import java.util.ArrayList;
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+import java.util.List;
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+import java.util.Map;
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+
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+public class StormTimelineMetricsReporter extends AbstractTimelineMetricsSink
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+ implements IClusterReporter {
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+
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+ public static final String COLLECTOR_HOST = "host";
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+ public static final String COLLECTOR_PORT = "port";
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+
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+ public static final String METRICS_COLLECTOR = "metrics_collector";
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+
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+ public static final String APP_ID = "nimbus";
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+
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+ private String hostname;
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+ private SocketAddress socketAddress;
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+ private String collectorUri;
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+ private NimbusClient nimbusClient;
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+
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+ public StormTimelineMetricsReporter() {
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+
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+ }
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+
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+ @Override
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+ protected SocketAddress getServerSocketAddress() {
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+ return this.socketAddress;
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+ }
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+
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+ @Override
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+ protected String getCollectorUri() {
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+ return this.collectorUri;
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+ }
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+
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+ @Override
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+ public void prepare(Map conf) {
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+ LOG.info("Preparing Storm Metrics Reporter");
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+ try {
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+ try {
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+ hostname = InetAddress.getLocalHost().getHostName();
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+ } catch (UnknownHostException e) {
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+ LOG.error("Could not identify hostname.");
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+ throw new RuntimeException("Could not identify hostname.", e);
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+ }
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+ Validate.notNull(conf.get(METRICS_COLLECTOR), METRICS_COLLECTOR + " can not be null");
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+ Map cf = (Map) conf.get(METRICS_COLLECTOR);
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+ Map stormConf = Utils.readStormConfig();
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+ this.nimbusClient = NimbusClient.getConfiguredClient(stormConf);
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+ String collectorHostname = cf.get(COLLECTOR_HOST).toString();
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+ String port = cf.get(COLLECTOR_PORT).toString();
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+ collectorUri = "http://" + collectorHostname + ":" + port + "/ws/v1/timeline/metrics";
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+ List<InetSocketAddress> socketAddresses =
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+ Servers.parse(collectorHostname, Integer.valueOf(port));
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+ if (socketAddresses != null && !socketAddresses.isEmpty()) {
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+ socketAddress = socketAddresses.get(0);
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+ }
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+ } catch (Exception e) {
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+ LOG.warn("could not initialize metrics collector, please specify host, port under $STORM_HOME/conf/config.yaml ", e);
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+ }
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+
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+ }
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+
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+ @Override
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+ public void reportMetrics() throws Exception {
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+ List<TimelineMetric> totalMetrics = new ArrayList<TimelineMetric>(7);
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+ ClusterSummary cs = this.nimbusClient.getClient().getClusterInfo();
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+ long currentTimeMillis = System.currentTimeMillis();
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+ totalMetrics.add(createTimelineMetric(currentTimeMillis,
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+ APP_ID, "Supervisors", String.valueOf(cs.get_supervisors_size())));
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+ totalMetrics.add(createTimelineMetric(currentTimeMillis,
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+ APP_ID, "Topologies", String.valueOf(cs.get_topologies_size())));
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+
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+ List<SupervisorSummary> sups = cs.get_supervisors();
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+ int totalSlots = 0;
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+ int usedSlots = 0;
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+ for (SupervisorSummary ssum : sups) {
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+ totalSlots += ssum.get_num_workers();
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+ usedSlots += ssum.get_num_used_workers();
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+ }
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+ int freeSlots = totalSlots - usedSlots;
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+
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+ totalMetrics.add(createTimelineMetric(currentTimeMillis,
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+ APP_ID, "Total Slots", String.valueOf(totalSlots)));
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+ totalMetrics.add(createTimelineMetric(currentTimeMillis,
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+ APP_ID, "Used Slots", String.valueOf(usedSlots)));
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+ totalMetrics.add(createTimelineMetric(currentTimeMillis,
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+ APP_ID, "Free Slots", String.valueOf(freeSlots)));
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+
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+ List<TopologySummary> topos = cs.get_topologies();
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+ int totalExecutors = 0;
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+ int totalTasks = 0;
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+ for (TopologySummary topo : topos) {
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+ totalExecutors += topo.get_num_executors();
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+ totalTasks += topo.get_num_tasks();
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+ }
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+
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+ totalMetrics.add(createTimelineMetric(currentTimeMillis,
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+ APP_ID, "Total Executors", String.valueOf(totalExecutors)));
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+ totalMetrics.add(createTimelineMetric(currentTimeMillis,
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+ APP_ID, "Total Tasks", String.valueOf(totalTasks)));
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+
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+ TimelineMetrics timelineMetrics = new TimelineMetrics();
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+ timelineMetrics.setMetrics(totalMetrics);
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+
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+ emitMetrics(timelineMetrics);
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+
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+ }
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+
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+ private TimelineMetric createTimelineMetric(long currentTimeMillis, String component, String attributeName, String attributeValue) {
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+ TimelineMetric timelineMetric = new TimelineMetric();
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+ timelineMetric.setMetricName(attributeName);
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+ timelineMetric.setHostName(hostname);
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+ timelineMetric.setAppId(component);
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+ timelineMetric.setStartTime(currentTimeMillis);
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+ timelineMetric.setType(ClassUtils.getShortCanonicalName(
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+ attributeValue, "Number"));
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+ timelineMetric.getMetricValues().put(currentTimeMillis, Double.parseDouble(attributeValue));
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+ return timelineMetric;
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+ }
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+
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+}
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Sumit Mohanty