1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
|
/**
* 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
* <p>
* http://www.apache.org/licenses/LICENSE-2.0
* <p>
* 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.odpi.specs.runtime.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;
}
}
|
