| /** |
| * 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.command; |
| |
| import java.util.List; |
| import java.util.Map; |
| import org.apache.storm.generated.KillOptions; |
| import org.apache.storm.generated.Nimbus; |
| import org.apache.storm.utils.NimbusClient; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| public class KillTopology { |
| private static final Logger LOG = LoggerFactory.getLogger(KillTopology.class); |
| |
| public static void main(String[] args) throws Exception { |
| Map<String, Object> cl = CLI.opt("w", "wait", null, CLI.AS_INT) |
| .boolOpt("i", "ignore-errors") |
| .arg("TOPO", CLI.INTO_LIST) |
| .parse(args); |
| |
| @SuppressWarnings("unchecked") |
| final List<String> names = (List<String>) cl.get("TOPO"); |
| |
| // Wait this many seconds after deactivating topology before killing |
| Integer wait = (Integer) cl.get("w"); |
| |
| // if '-i' is set, we'll try to kill every topology listed, even if an error occurs |
| Boolean continueOnError = (Boolean) cl.get("i"); |
| |
| final KillOptions opts = new KillOptions(); |
| if (wait != null) { |
| opts.set_wait_secs(wait); |
| } |
| |
| NimbusClient.withConfiguredClient(new NimbusClient.WithNimbus() { |
| @Override |
| public void run(Nimbus.Iface nimbus) throws Exception { |
| int errorCount = 0; |
| for (String name : names) { |
| try { |
| nimbus.killTopologyWithOpts(name, opts); |
| LOG.info("Killed topology: {}", name); |
| } catch (Exception e) { |
| errorCount += 1; |
| if (!continueOnError) { |
| throw e; |
| } else { |
| LOG.error( |
| "Caught error killing topology '{}'; continuing as -i was passed.", name, e |
| ); |
| } |
| } |
| } |
| |
| // If we failed to kill any topology, still exit with failure status |
| if (errorCount > 0) { |
| throw new RuntimeException("Failed to successfully kill " + errorCount + " topologies."); |
| } |
| } |
| }); |
| } |
| } |