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
|
/**
* Copyright (C) 2018-present MongoDB, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the Server Side Public License, version 1,
* as published by MongoDB, Inc.
*
* 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
* Server Side Public License for more details.
*
* You should have received a copy of the Server Side Public License
* along with this program. If not, see
* <http://www.mongodb.com/licensing/server-side-public-license>.
*
* 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 Server Side 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/platform/basic.h"
#include <string>
#include "mongo/db/commands/shutdown.h"
#include "mongo/db/index_builds_coordinator.h"
#include "mongo/db/repl/replication_coordinator.h"
namespace mongo {
namespace {
class CmdShutdownMongoD : public CmdShutdown {
public:
std::string help() const override {
return "shutdown the database. must be ran against admin db and "
"either (1) ran from localhost or (2) authenticated. If "
"this is a primary in a replica set and there is no member "
"within 10 seconds of its optime, it will not shutdown "
"without force : true. You can also specify timeoutSecs : "
"N to wait N seconds for other members to catch up.";
}
virtual bool run(OperationContext* opCtx,
const std::string& dbname,
const BSONObj& cmdObj,
BSONObjBuilder& result) {
bool force = cmdObj.hasField("force") && cmdObj["force"].trueValue();
long long timeoutSecs = 10;
if (cmdObj.hasField("timeoutSecs")) {
timeoutSecs = cmdObj["timeoutSecs"].numberLong();
}
// This code may race with a new index build starting up. We may get 0 active index builds
// from the IndexBuildsCoordinator shutdown to proceed, but there is nothing to prevent a
// new index build from starting after that check.
if (!force) {
auto indexBuildsCoord = IndexBuildsCoordinator::get(opCtx);
auto numIndexBuilds = indexBuildsCoord->getActiveIndexBuildCount(opCtx);
uassert(ErrorCodes::ConflictingOperationInProgress,
str::stream() << "Index builds in progress while processing shutdown command "
"without {force: true}: "
<< numIndexBuilds,
numIndexBuilds == 0U);
}
try {
repl::ReplicationCoordinator::get(opCtx)->stepDown(
opCtx, force, Seconds(timeoutSecs), Seconds(120));
} catch (const DBException& e) {
if (e.code() != ErrorCodes::NotMaster) { // ignore not master
throw;
}
}
// Never returns
shutdownHelper(cmdObj);
return true;
}
} cmdShutdownMongoD;
} // namespace
} // namespace mongo
|
