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
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
|
/*
* Copyright (C) 2013 10gen Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* As a special exception, the copyright holders give permission to link the
* code of portions of this program with the OpenSSL library under certain
* conditions as described in each individual source file and distribute
* linked combinations including the program with the OpenSSL library. You
* must comply with the GNU Affero General Public License in all respects
* for all of the code used other than as permitted herein. If you modify
* file(s) with this exception, you may extend this exception to your
* version of the file(s), but you are not obligated to do so. If you do not
* wish to do so, delete this exception statement from your version. If you
* delete this exception statement from all source files in the program,
* then also delete it in the license file.
*/
#include "mongo/s/mongos_options.h"
#include <string>
#include <vector>
#include "mongo/base/status.h"
#include "mongo/bson/util/builder.h"
#include "mongo/db/server_options.h"
#include "mongo/db/server_options_helpers.h"
#include "mongo/s/chunk.h"
#include "mongo/s/version_mongos.h"
#include "mongo/util/net/ssl_options.h"
#include "mongo/util/options_parser/startup_options.h"
#include "mongo/util/startup_test.h"
#include "mongo/util/stringutils.h"
namespace mongo {
MongosGlobalParams mongosGlobalParams;
Status addMongosOptions(moe::OptionSection* options) {
moe::OptionSection general_options("General options");
Status ret = addGeneralServerOptions(&general_options);
if (!ret.isOK()) {
return ret;
}
#if defined(_WIN32)
moe::OptionSection windows_scm_options("Windows Service Control Manager options");
ret = addWindowsServerOptions(&windows_scm_options);
if (!ret.isOK()) {
return ret;
}
#endif
#ifdef MONGO_SSL
moe::OptionSection ssl_options("SSL options");
ret = addSSLServerOptions(&ssl_options);
if (!ret.isOK()) {
return ret;
}
#endif
moe::OptionSection sharding_options("Sharding options");
sharding_options.addOptionChaining("sharding.configDB", "configdb", moe::String,
"1 or 3 comma separated config servers");
sharding_options.addOptionChaining("replication.localPingThresholdMs", "localThreshold",
moe::Int, "ping time (in ms) for a node to be considered local (default 15ms)");
sharding_options.addOptionChaining("test", "test", moe::Switch, "just run unit tests")
.setSources(moe::SourceAllLegacy);
sharding_options.addOptionChaining("upgrade", "upgrade", moe::Switch,
"upgrade meta data version")
.setSources(moe::SourceAllLegacy);
sharding_options.addOptionChaining("sharding.chunkSize", "chunkSize", moe::Int,
"maximum amount of data per chunk");
sharding_options.addOptionChaining("net.ipv6", "ipv6", moe::Switch,
"enable IPv6 support (disabled by default)");
sharding_options.addOptionChaining("net.http.JSONPEnabled", "jsonp", moe::Switch,
"allow JSONP access via http (has security implications)")
.setSources(moe::SourceAllLegacy);
sharding_options.addOptionChaining("noscripting", "noscripting", moe::Switch,
"disable scripting engine")
.setSources(moe::SourceAllLegacy);
options->addSection(general_options);
#if defined(_WIN32)
options->addSection(windows_scm_options);
#endif
options->addSection(sharding_options);
#ifdef MONGO_SSL
options->addSection(ssl_options);
#endif
options->addOptionChaining("noAutoSplit", "noAutoSplit", moe::Switch,
"do not send split commands with writes")
.hidden()
.setSources(moe::SourceAllLegacy);
options->addOptionChaining("sharding.autoSplit", "", moe::Bool,
"send split commands with writes")
.setSources(moe::SourceYAMLConfig);
return Status::OK();
}
void printMongosHelp(const moe::OptionSection& options) {
std::cout << options.helpString() << std::endl;
};
bool handlePreValidationMongosOptions(const moe::Environment& params,
const std::vector<std::string>& args) {
if (params.count("help")) {
printMongosHelp(moe::startupOptions);
return false;
}
if (params.count("version")) {
printShardingVersionInfo(true);
return false;
}
if ( params.count( "test" ) ) {
::mongo::logger::globalLogDomain()->setMinimumLoggedSeverity(
::mongo::logger::LogSeverity::Debug(5));
StartupTest::runTests();
return false;
}
return true;
}
Status validateMongosOptions(const moe::Environment& params) {
Status ret = validateServerOptions(params);
if (!ret.isOK()) {
return ret;
}
return Status::OK();
}
Status canonicalizeMongosOptions(moe::Environment* params) {
Status ret = canonicalizeServerOptions(params);
if (!ret.isOK()) {
return ret;
}
#ifdef MONGO_SSL
ret = canonicalizeSSLServerOptions(params);
if (!ret.isOK()) {
return ret;
}
#endif
// "sharding.autoSplit" comes from the config file, so override it if "noAutoSplit" is set
// since that comes from the command line.
if (params->count("noAutoSplit")) {
Status ret = params->set("sharding.autoSplit", moe::Value(false));
if (!ret.isOK()) {
return ret;
}
ret = params->remove("noAutoSplit");
if (!ret.isOK()) {
return ret;
}
}
return Status::OK();
}
Status storeMongosOptions(const moe::Environment& params,
const std::vector<std::string>& args) {
Status ret = storeServerOptions(params, args);
if (!ret.isOK()) {
return ret;
}
if ( params.count( "sharding.chunkSize" ) ) {
int csize = params["sharding.chunkSize"].as<int>();
// validate chunksize before proceeding
if ( csize == 0 ) {
return Status(ErrorCodes::BadValue, "error: need a non-zero chunksize");
}
if ( !Chunk::setMaxChunkSizeSizeMB( csize ) ) {
return Status(ErrorCodes::BadValue, "MaxChunkSize invalid");
}
}
if (params.count( "net.port" ) ) {
int port = params["net.port"].as<int>();
if ( port <= 0 || port > 65535 ) {
return Status(ErrorCodes::BadValue,
"error: port number must be between 1 and 65535");
}
}
if ( params.count( "replication.localPingThresholdMs" ) ) {
serverGlobalParams.defaultLocalThresholdMillis =
params["replication.localPingThresholdMs"].as<int>();
}
if ( params.count( "net.ipv6" ) ) {
enableIPv6();
}
if (params.count("net.http.JSONPEnabled")) {
serverGlobalParams.jsonp = true;
}
if (params.count("noscripting")) {
// This option currently has no effect for mongos
}
if (params.count("sharding.autoSplit")) {
Chunk::ShouldAutoSplit = params["sharding.autoSplit"].as<bool>();
if (Chunk::ShouldAutoSplit == false) {
warning() << "running with auto-splitting disabled" << endl;
}
}
if ( ! params.count( "sharding.configDB" ) ) {
return Status(ErrorCodes::BadValue, "error: no args for --configdb");
}
splitStringDelim(params["sharding.configDB"].as<std::string>(),
&mongosGlobalParams.configdbs, ',');
if (mongosGlobalParams.configdbs.size() != 1 && mongosGlobalParams.configdbs.size() != 3) {
return Status(ErrorCodes::BadValue, "need either 1 or 3 configdbs");
}
if (mongosGlobalParams.configdbs.size() == 1) {
warning() << "running with 1 config server should be done only for testing purposes "
<< "and is not recommended for production" << endl;
}
mongosGlobalParams.upgrade = params.count("upgrade");
return Status::OK();
}
} // namespace mongo
|