| /* |
| * 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.bigtop.itest.hive; |
| |
| import java.io.ByteArrayOutputStream; |
| import java.io.IOException; |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| import org.apache.commons.exec.CommandLine; |
| import org.apache.commons.exec.DefaultExecuteResultHandler; |
| import org.apache.commons.exec.DefaultExecutor; |
| import org.apache.commons.exec.ExecuteException; |
| import org.apache.commons.exec.ExecuteWatchdog; |
| import org.apache.commons.exec.Executor; |
| import org.apache.commons.exec.PumpStreamHandler; |
| import org.apache.commons.exec.environment.EnvironmentUtils; |
| import org.apache.commons.logging.Log; |
| import org.apache.commons.logging.LogFactory; |
| |
| public class HiveHelper { |
| |
| private static final Log LOG = LogFactory.getLog(HiveHelper.class.getName()); |
| |
| public static Map<String, String> execCommand(CommandLine commandline) { |
| return execCommand(commandline, null); |
| } |
| |
| public static Map<String, String> execCommand(CommandLine commandline, |
| Map<String, String> envVars) { |
| |
| System.out.println("Executing command:"); |
| System.out.println(commandline.toString()); |
| Map<String, String> env = null; |
| Map<String, String> entry = new HashMap<String, String>(); |
| try { |
| env = EnvironmentUtils.getProcEnvironment(); |
| } catch (IOException e1) { |
| // TODO Auto-generated catch block |
| LOG.debug("Failed to get process environment: " + e1.getMessage()); |
| e1.printStackTrace(); |
| } |
| if (envVars != null) { |
| for (String key : envVars.keySet()) { |
| env.put(key, envVars.get(key)); |
| } |
| } |
| |
| DefaultExecuteResultHandler resultHandler = new DefaultExecuteResultHandler(); |
| ByteArrayOutputStream outputStream = new ByteArrayOutputStream(); |
| PumpStreamHandler streamHandler = new PumpStreamHandler(outputStream); |
| ExecuteWatchdog watchdog = new ExecuteWatchdog(60 * 10000); |
| Executor executor = new DefaultExecutor(); |
| executor.setExitValue(1); |
| executor.setWatchdog(watchdog); |
| executor.setStreamHandler(streamHandler); |
| try { |
| executor.execute(commandline, env, resultHandler); |
| } catch (ExecuteException e) { |
| // TODO Auto-generated catch block |
| LOG.debug("Failed to execute command with exit value: " + String.valueOf(resultHandler.getExitValue())); |
| LOG.debug("outputStream: " + outputStream.toString()); |
| entry.put("exitValue", String.valueOf(resultHandler.getExitValue())); |
| entry.put("outputStream", outputStream.toString() + e.getMessage()); |
| e.printStackTrace(); |
| return entry; |
| } catch (IOException e) { |
| // TODO Auto-generated catch block |
| LOG.debug("Failed to execute command with exit value: " + String.valueOf(resultHandler.getExitValue())); |
| LOG.debug("outputStream: " + outputStream.toString()); |
| entry.put("exitValue", String.valueOf(resultHandler.getExitValue())); |
| entry.put("outputStream", outputStream.toString() + e.getMessage()); |
| e.printStackTrace(); |
| return entry; |
| } |
| |
| try { |
| resultHandler.waitFor(); |
| /*System.out.println("Command output: "+outputStream.toString());*/ |
| entry.put("exitValue", String.valueOf(resultHandler.getExitValue())); |
| entry.put("outputStream", outputStream.toString()); |
| return entry; |
| } catch (InterruptedException e) { |
| // TODO Auto-generated catch block |
| /*System.out.println("Command output: "+outputStream.toString());*/ |
| LOG.debug("exitValue: " + String.valueOf(resultHandler.getExitValue())); |
| LOG.debug("outputStream: " + outputStream.toString()); |
| entry.put("exitValue", String.valueOf(resultHandler.getExitValue())); |
| entry.put("outputStream", outputStream.toString()); |
| e.printStackTrace(); |
| return entry; |
| } |
| } |
| |
| protected static String getProperty(String property, String description) { |
| String val = System.getProperty(property); |
| if (val == null) { |
| throw new RuntimeException("You must set the property " + property + " with " + |
| description); |
| } |
| LOG.debug(description + " is " + val); |
| return val; |
| } |
| |
| |
| } |