| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License |
| */ |
| |
| package org.apache.storm.perf.utils; |
| |
| import java.util.Map; |
| import org.apache.storm.StormSubmitter; |
| import org.apache.storm.generated.KillOptions; |
| import org.apache.storm.generated.Nimbus; |
| import org.apache.storm.generated.StormTopology; |
| import org.apache.storm.utils.NimbusClient; |
| import org.apache.storm.utils.ObjectReader; |
| import org.apache.storm.utils.Utils; |
| |
| |
| public class Helper { |
| |
| public static void kill(Nimbus.Iface client, String topoName) throws Exception { |
| KillOptions opts = new KillOptions(); |
| opts.set_wait_secs(0); |
| client.killTopologyWithOpts(topoName, opts); |
| } |
| |
| public static int getInt(Map map, Object key, int def) { |
| return ObjectReader.getInt(Utils.get(map, key, def)); |
| } |
| |
| public static String getStr(Map map, Object key) { |
| return (String) map.get(key); |
| } |
| |
| public static void collectMetricsAndKill(String topologyName, Integer pollInterval, int duration) throws Exception { |
| Map<String, Object> clusterConf = Utils.readStormConfig(); |
| Nimbus.Iface client = NimbusClient.getConfiguredClient(clusterConf).getClient(); |
| try (BasicMetricsCollector metricsCollector = new BasicMetricsCollector(topologyName, clusterConf)) { |
| |
| if (duration > 0) { |
| int times = duration / pollInterval; |
| metricsCollector.collect(client); |
| for (int i = 0; i < times; i++) { |
| Thread.sleep(pollInterval * 1000); |
| metricsCollector.collect(client); |
| } |
| } else { |
| while (true) { //until Ctrl-C |
| metricsCollector.collect(client); |
| Thread.sleep(pollInterval * 1000); |
| } |
| } |
| } finally { |
| kill(client, topologyName); |
| } |
| } |
| |
| /** |
| * Kill topo on Ctrl-C. |
| */ |
| public static void setupShutdownHook(final String topoName) { |
| Map<String, Object> clusterConf = Utils.readStormConfig(); |
| final Nimbus.Iface client = NimbusClient.getConfiguredClient(clusterConf).getClient(); |
| Runtime.getRuntime().addShutdownHook(new Thread() { |
| @Override |
| public void run() { |
| try { |
| System.out.println("Killing..."); |
| Helper.kill(client, topoName); |
| System.out.println("Killed Topology"); |
| } catch (Exception e) { |
| e.printStackTrace(); |
| } |
| } |
| }); |
| } |
| |
| public static void runOnClusterAndPrintMetrics(int durationSec, String topoName, Map<String, Object> topoConf, StormTopology topology) |
| throws Exception { |
| // submit topology |
| StormSubmitter.submitTopologyWithProgressBar(topoName, topoConf, topology); |
| setupShutdownHook(topoName); // handle Ctrl-C |
| |
| // poll metrics every minute, then kill topology after specified duration |
| Integer pollIntervalSec = 60; |
| collectMetricsAndKill(topoName, pollIntervalSec, durationSec); |
| } |
| } |