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
|
/**
* Copyright (C) 2012 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.
*/
#define MONGO_LOG_DEFAULT_COMPONENT ::mongo::logger::LogComponent::kSharding
#include "mongo/platform/basic.h"
#include "mongo/s/catalog/legacy/config_upgrade_helpers.h"
#include <boost/scoped_ptr.hpp>
#include "mongo/client/connpool.h"
#include "mongo/db/field_parser.h"
#include "mongo/db/namespace_string.h"
#include "mongo/db/write_concern.h"
#include "mongo/s/catalog/catalog_manager.h"
#include "mongo/s/catalog/legacy/cluster_client_internal.h"
#include "mongo/s/type_config_version.h"
#include "mongo/util/log.h"
#include "mongo/util/timer.h"
namespace mongo {
using boost::scoped_ptr;
using std::auto_ptr;
using std::endl;
using std::string;
using mongoutils::str::stream;
// Custom field used in upgrade state to determine if/where we failed on last upgrade
const BSONField<bool> inCriticalSectionField("inCriticalSection", false);
Status preUpgradeCheck(CatalogManager* catalogManager,
const VersionType& lastVersionInfo,
string minMongosVersion) {
if (lastVersionInfo.isUpgradeIdSet() && lastVersionInfo.getUpgradeId().isSet()) {
//
// Another upgrade failed, so cleanup may be necessary
//
BSONObj lastUpgradeState = lastVersionInfo.getUpgradeState();
bool inCriticalSection;
string errMsg;
if (!FieldParser::extract(lastUpgradeState,
inCriticalSectionField,
&inCriticalSection,
&errMsg)) {
return Status(ErrorCodes::FailedToParse, causedBy(errMsg));
}
if (inCriticalSection) {
// Note: custom message must be supplied by caller
return Status(ErrorCodes::ManualInterventionRequired, "");
}
}
//
// Check the versions of other mongo processes in the cluster before upgrade.
// We can't upgrade if there are active pre-v2.4 processes in the cluster
//
return checkClusterMongoVersions(catalogManager, string(minMongosVersion));
}
Status commitConfigUpgrade(CatalogManager* catalogManager,
int currentVersion,
int minCompatibleVersion,
int newVersion) {
// Note: DO NOT CLEAR the config version unless bumping the minCompatibleVersion,
// we want to save the excludes that were set.
BSONObjBuilder setObj;
setObj << VersionType::minCompatibleVersion(minCompatibleVersion);
setObj << VersionType::currentVersion(newVersion);
BSONObjBuilder unsetObj;
unsetObj.append(VersionType::upgradeId(), 1);
unsetObj.append(VersionType::upgradeState(), 1);
unsetObj.append("version", 1); // remove deprecated field, no longer supported >= v3.0.
Status result = catalogManager->update(
VersionType::ConfigNS,
BSON("_id" << 1 << VersionType::currentVersion(currentVersion)),
BSON("$set" << setObj.done() << "$unset" << unsetObj.done()),
false,
false,
NULL);
if (!result.isOK()) {
return Status(result.code(),
str::stream() << "could not write new version info "
<< " and exit critical upgrade section: "
<< result.reason());
}
return result;
}
} // namespace mongo
|
