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
122
123
124
125
126
127
128
129
130
|
/*
* Licensed to Elasticsearch under one or more contributor
* license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright
* ownership. Elasticsearch 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.elasticsearch.bootstrap;
import joptsimple.OptionSet;
import joptsimple.OptionSpec;
import joptsimple.util.KeyValuePair;
import org.elasticsearch.Build;
import org.elasticsearch.cli.Command;
import org.elasticsearch.cli.ExitCodes;
import org.elasticsearch.cli.Terminal;
import org.elasticsearch.cli.UserError;
import org.elasticsearch.monitor.jvm.JvmInfo;
import java.io.IOException;
import java.util.Arrays;
import java.util.HashMap;
import java.util.Map;
/**
* This class starts elasticsearch.
*/
class Elasticsearch extends Command {
private final OptionSpec<Void> versionOption;
private final OptionSpec<Void> daemonizeOption;
private final OptionSpec<String> pidfileOption;
private final OptionSpec<KeyValuePair> propertyOption;
// visible for testing
Elasticsearch() {
super("starts elasticsearch");
// TODO: in jopt-simple 5.0, make this mutually exclusive with all other options
versionOption = parser.acceptsAll(Arrays.asList("V", "version"),
"Prints elasticsearch version information and exits");
daemonizeOption = parser.acceptsAll(Arrays.asList("d", "daemonize"),
"Starts Elasticsearch in the background");
// TODO: in jopt-simple 5.0 this option type can be a Path
pidfileOption = parser.acceptsAll(Arrays.asList("p", "pidfile"),
"Creates a pid file in the specified path on start")
.withRequiredArg();
propertyOption = parser.accepts("E", "Configure an Elasticsearch setting").withRequiredArg().ofType(KeyValuePair.class);
}
/**
* Main entry point for starting elasticsearch
*/
public static void main(final String[] args) throws Exception {
final Elasticsearch elasticsearch = new Elasticsearch();
int status = main(args, elasticsearch, Terminal.DEFAULT);
if (status != ExitCodes.OK) {
exit(status);
}
}
static int main(final String[] args, final Elasticsearch elasticsearch, final Terminal terminal) throws Exception {
return elasticsearch.main(args, terminal);
}
@Override
protected void execute(Terminal terminal, OptionSet options) throws Exception {
if (options.nonOptionArguments().isEmpty() == false) {
throw new UserError(ExitCodes.USAGE, "Positional arguments not allowed, found " + options.nonOptionArguments());
}
if (options.has(versionOption)) {
if (options.has(daemonizeOption) || options.has(pidfileOption)) {
throw new UserError(ExitCodes.USAGE, "Elasticsearch version option is mutually exclusive with any other option");
}
terminal.println("Version: " + org.elasticsearch.Version.CURRENT
+ ", Build: " + Build.CURRENT.shortHash() + "/" + Build.CURRENT.date()
+ ", JVM: " + JvmInfo.jvmInfo().version());
return;
}
final boolean daemonize = options.has(daemonizeOption);
final String pidFile = pidfileOption.value(options);
final Map<String, String> esSettings = new HashMap<>();
for (final KeyValuePair kvp : propertyOption.values(options)) {
if (!kvp.key.startsWith("es.")) {
throw new UserError(ExitCodes.USAGE, "Elasticsearch settings must be prefixed with [es.] but was [" + kvp.key + "]");
}
if (kvp.value.isEmpty()) {
throw new UserError(ExitCodes.USAGE, "Elasticsearch setting [" + kvp.key + "] must not be empty");
}
esSettings.put(kvp.key, kvp.value);
}
init(daemonize, pidFile, esSettings);
}
void init(final boolean daemonize, final String pidFile, final Map<String, String> esSettings) {
try {
Bootstrap.init(!daemonize, pidFile, esSettings);
} catch (final Throwable t) {
// format exceptions to the console in a special way
// to avoid 2MB stacktraces from guice, etc.
throw new StartupError(t);
}
}
/**
* Required method that's called by Apache Commons procrun when
* running as a service on Windows, when the service is stopped.
*
* http://commons.apache.org/proper/commons-daemon/procrun.html
*
* NOTE: If this method is renamed and/or moved, make sure to update service.bat!
*/
static void close(String[] args) throws IOException {
Bootstrap.stop();
}
}
|
