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
|
/**
* 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 <string>
#include "mongo/db/auth/authorization_session.h"
#include "mongo/db/catalog/collection.h"
#include "mongo/db/commands.h"
#include "mongo/db/commands/resize_oplog_gen.h"
#include "mongo/db/concurrency/exception_util.h"
#include "mongo/db/db_raii.h"
#include "mongo/db/jsobj.h"
#include "mongo/db/operation_context.h"
#include "mongo/db/storage/durable_catalog.h"
#include "mongo/logv2/log.h"
#include "mongo/util/str.h"
#define MONGO_LOGV2_DEFAULT_COMPONENT ::mongo::logv2::LogComponent::kStorage
namespace mongo {
namespace {
class CmdReplSetResizeOplog : public BasicCommand {
public:
CmdReplSetResizeOplog() : BasicCommand("replSetResizeOplog") {}
AllowedOnSecondary secondaryAllowed(ServiceContext*) const override {
return AllowedOnSecondary::kAlways;
}
bool adminOnly() const final {
return true;
}
virtual bool supportsWriteConcern(const BSONObj& cmd) const override {
return false;
}
std::string help() const override {
return "Resize oplog using size (in MBs) and optionally, retention (in terms of hours)";
}
Status checkAuthForOperation(OperationContext* opCtx,
const DatabaseName&,
const BSONObj&) const final {
AuthorizationSession* authzSession = AuthorizationSession::get(opCtx->getClient());
if (authzSession->isAuthorizedForActionsOnResource(ResourcePattern::forClusterResource(),
ActionType::replSetResizeOplog)) {
return Status::OK();
}
return Status(ErrorCodes::Unauthorized, "Unauthorized");
}
bool run(OperationContext* opCtx,
const DatabaseName&,
const BSONObj& jsobj,
BSONObjBuilder& result) {
AutoGetCollection coll(opCtx, NamespaceString::kRsOplogNamespace, MODE_X);
uassert(ErrorCodes::NamespaceNotFound, "oplog does not exist", coll);
uassert(ErrorCodes::IllegalOperation, "oplog isn't capped", coll->isCapped());
auto params =
ReplSetResizeOplogRequest::parse(IDLParserContext("replSetResizeOplog"), jsobj);
return writeConflictRetry(opCtx, "replSetResizeOplog", coll->ns().ns(), [&] {
WriteUnitOfWork wunit(opCtx);
if (auto sizeMB = params.getSize()) {
const long long sizeBytes = *sizeMB * 1024 * 1024;
uassertStatusOK(coll.getWritableCollection(opCtx)->updateCappedSize(
opCtx, sizeBytes, /*newCappedMax=*/boost::none));
}
if (auto minRetentionHoursOpt = params.getMinRetentionHours()) {
storageGlobalParams.oplogMinRetentionHours.store(*minRetentionHoursOpt);
}
wunit.commit();
LOGV2(20497,
"replSetResizeOplog success",
"size"_attr = coll->getCollectionOptions().cappedSize,
"minRetentionHours"_attr = storageGlobalParams.oplogMinRetentionHours.load());
return true;
});
}
} cmdReplSetResizeOplog;
} // namespace
} // namespace mongo
|
