| /** |
| * 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.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| import org.apache.storm.generated.ErrorInfo; |
| import org.apache.storm.generated.GetInfoOptions; |
| import org.apache.storm.generated.Nimbus; |
| import org.apache.storm.generated.NumErrorsChoice; |
| import org.apache.storm.generated.TopologyInfo; |
| import org.apache.storm.utils.NimbusClient; |
| import org.apache.storm.utils.Utils; |
| import org.json.simple.JSONValue; |
| |
| public class GetErrors { |
| /** |
| * Only get errors for a topology. |
| * @param args Used to accept the topology name. |
| * @throws Exception on errors. |
| */ |
| public static void main(String[] args) throws Exception { |
| if (args.length == 0) { |
| throw new IllegalArgumentException("Topology name must be provided."); |
| } |
| |
| final String name = args[0]; |
| |
| NimbusClient.withConfiguredClient(new NimbusClient.WithNimbus() { |
| @Override |
| public void run(Nimbus.Iface client) throws Exception { |
| GetInfoOptions opts = new GetInfoOptions(); |
| opts.set_num_err_choice(NumErrorsChoice.ONE); |
| String topologyId = Utils.getTopologyId(name, client); |
| |
| TopologyInfo topologyInfo = null; |
| if (topologyId != null) { |
| topologyInfo = client.getTopologyInfoWithOpts(topologyId, opts); |
| } |
| |
| Map<String, Object> outputMap = new HashMap<>(); |
| if (topologyId == null || topologyInfo == null) { |
| outputMap.put("Failure", "No topologies running with name " + name); |
| } else { |
| String topologyName = topologyInfo.get_name(); |
| Map<String, List<ErrorInfo>> topologyErrors = topologyInfo.get_errors(); |
| outputMap.put("Topology Name", topologyName); |
| outputMap.put("Comp-Errors", getComponentErrors(topologyErrors)); |
| } |
| System.out.println(JSONValue.toJSONString(outputMap)); |
| } |
| |
| private Map<String, String> getComponentErrors(Map<String, List<ErrorInfo>> topologyErrors) { |
| Map<String, String> componentErrorMap = new HashMap<>(); |
| for (Map.Entry<String, List<ErrorInfo>> compNameToCompErrors : topologyErrors.entrySet()) { |
| String compName = compNameToCompErrors.getKey(); |
| List<ErrorInfo> compErrors = compNameToCompErrors.getValue(); |
| if (compErrors != null && !compErrors.isEmpty()) { |
| ErrorInfo latestError = compErrors.get(0); |
| componentErrorMap.put(compName, latestError.get_error()); |
| } |
| } |
| |
| return componentErrorMap; |
| } |
| }); |
| } |
| } |